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Clifton_Star_2011_43_101_Beattie_Technical_Report

VIEWS: 5 PAGES: 132

									                            NI 43-101 Technical Report
                           Mineral Resource Estimation
                           Duparquet – Beattie Property
                                        For
                            Osisko Mining Corporation
                          and Clifton Star Resources Inc.


                                                                           Respectfully submitted to:
                                                                                   Mr. Robert Wares
                                                                          Osisko Mining Corporation
                                                                                                And
                                                                          Clifton Star Resources Inc.


                                                                                      Effective Date:
                                                                                      May 26th 2011

        Prepared by:
        Maxime Dupéré P.Geo. Q.P
        SGS Canada Inc. (Geostat)
        Claude Duplessis Eng. Q.P.
        SGS Canada Inc. (Geostat)
        Jonathan Gagné Eng.
        SGS Canada Inc. (Geostat)




                    Geostat
                    10 boul. de la Seigneurie Est, Suite 203, Blainville, Québec Canada
SGS Canada Inc.     t (450) 433 1050 f (450) 433 1048 www.geostat.com www.met.sgs.com

                    Member of SGS Group (SGS SA)
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                                                        Page ii

                                                              Table of Contents

Table of Contents .............................................................................................................................................. ii
List of tables ....................................................................................................................................................... v
List of Figures.................................................................................................................................................... vi
1- Summary ......................................................................................................................................................... 1
2- Introduction ................................................................................................................................................... 3
   2.1 General ...................................................................................................................................................... 3
   2.2 Terms of reference .................................................................................................................................. 3
   2.3 Units and Currency.................................................................................................................................. 4
   2.4 Disclaimer ................................................................................................................................................. 5
3- Reliance on Other Experts .......................................................................................................................... 6
4- Property Description and Location ............................................................................................................ 7
   4.1 General Properties Information ............................................................................................................ 7
   4.2 Exploration and Option Agreement ..................................................................................................... 8
   4.3 Properties Environmental Liabilities .................................................................................................... 9
   4.4 Work Permits and Access for the Properties ...................................................................................... 9
5- Accessibility, Climate, Local Resources, Infrastructure and Physiography ........................................ 13
   5.1 Accessibility ............................................................................................................................................ 13
   5.2 Climate..................................................................................................................................................... 13
   5.3 Local Resources ..................................................................................................................................... 13
   5.4 Infrastructure .......................................................................................................................................... 13
   5.5 Physiography .......................................................................................................................................... 14
6- History .......................................................................................................................................................... 17
   6.1 Properties history ................................................................................................................................... 17
   6.2 Historical Mineral Resource Estimates (not NI 43-101 compliant)............................................... 19
7- Geological Setting and Mineralization ..................................................................................................... 20
   7.1. Regional Geology.................................................................................................................................. 20
   7.2. Local and Property Geology ............................................................................................................... 24
   7.3 Stratigraphy ............................................................................................................................................. 24
   7.4 Structure .................................................................................................................................................. 24
   7.5 Alteration ................................................................................................................................................ 25
   7.6. Mineralization ........................................................................................................................................ 25
8- Deposit Types .............................................................................................................................................. 28
   8.1 Alteration ................................................................................................................................................ 30
9- Exploration .................................................................................................................................................. 31
 9.1 Geological mapping survey .................................................................................................................. 31
 9.2 Results ..................................................................................................................................................... 31
 9.3 Helicopter-borne TDEM and magnetic survey ................................................................................ 33
SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                               Page iii
 9.4 Interpretation of results from survey .................................................................................................. 33
10- Drilling ........................................................................................................................................................ 37
   10.1 Summary of best intersections – Beattie Property.......................................................................... 42
   10.2 Summary of best intersections – Donchester Property ................................................................. 44
11- Sample Preparation, Analyses and Security ........................................................................................... 47
   11.1 Sample Preparation and Analysis ...................................................................................................... 47
   11.2-Quality Assurance and Quality Control Procedure ........................................................................ 48
     11.2.1 Analytical Standards ..................................................................................................................... 48
     11.2.2 Analytical Blanks ........................................................................................................................... 59
     11.2.3 Core Duplicates............................................................................................................................. 60
     11.2.4 Preparation (Rejects) Duplicates ................................................................................................ 60
     11.2.5 QA/QC Conclusion..................................................................................................................... 61
   11.3 Specific Gravity .................................................................................................................................... 62
   11.4 Conclusion ............................................................................................................................................ 62
12- Data Verification ....................................................................................................................................... 63
   12.1 Drill Hole data verification................................................................................................................. 63
   12.2 SGS Independent sampling and assay Correlation ......................................................................... 64
   12.3 2008-2009 Clifton Core Re-Assay by Osisko in 2010 .................................................................... 65
   12.4 Downhole survey errors versus collar azimuth surveys ................................................................. 65
   12.5 Arsenic content in independent samples ......................................................................................... 66
13- Mineral Processing and Metallurgical Testing....................................................................................... 67
   13.1 Sample Preparation and Characterisation ........................................................................................ 67
     13.1.1 Comminution Test Work ............................................................................................................ 67
     13.1.2 SMC tests ....................................................................................................................................... 67
     13.1.3 Bond Ball Mill Grinding Tests .................................................................................................... 68
     13.1.4 Bond Abrasion Test ..................................................................................................................... 68
   13.2 Metallurgical Test Work ..................................................................................................................... 68
     13.2.1 Whole Ore Cyanidation Test Work ........................................................................................... 68
     13.2.2 Flotation Test Work ..................................................................................................................... 69
     13.2.3 Concentrate Cyanidation Test Work ......................................................................................... 69
     13.3.4 Comparison of Overall Results .................................................................................................. 70
     13.2.5 Conclusions ................................................................................................................................... 70
   13.3 Further testing ...................................................................................................................................... 71
   13.4 Conclusions and Recommendations................................................................................................. 71
14- Mineral Resource Estimates .................................................................................................................... 73
   14.1 Database ................................................................................................................................................ 73
   14.2 Specific gravity ..................................................................................................................................... 74
   14.3 Underground stopes ............................................................................................................................ 74
   14.4 Grid Used ............................................................................................................................................. 75
   14.5 Solids Modeling.................................................................................................................................... 75
   14.6 Compositing ......................................................................................................................................... 76
   14.7 Statistics................................................................................................................................................. 76
   14.8 Research Ellipsoids.............................................................................................................................. 78
   14.9 Global Resources Estimation ............................................................................................................ 78
SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                                           Page iv
 14.10 In Pit Resources ................................................................................................................................. 79
15- Mineral Reserve Estimates....................................................................................................................... 96
16- Mining Methods ........................................................................................................................................ 97
17- Recovery Methods .................................................................................................................................... 98
18- Project Infrastructure ............................................................................................................................... 99
19- Market Studies and Contracts ............................................................................................................... 100
20- Environmental Studies, Permitting and Social or Community Impact........................................... 101
21- Capital and Operating Costs.................................................................................................................. 102
22- Economic Analysis ................................................................................................................................. 103
23- Adjacent Properties................................................................................................................................. 104
   23.1 Dumico Property ............................................................................................................................... 104
   23.2 Duquesne-Ottoman Property .......................................................................................................... 104
   23.3 Duparquet Gold Project ................................................................................................................... 105
24- Other Relevant Data and Information ................................................................................................ 106
25- Interpretation and Conclusions ............................................................................................................ 107
26- Recommendations .................................................................................................................................. 109
27- Reference .................................................................................................................................................. 110
28- Date and Signature .................................................................................................................................. 112
29- Certificate of Qualification .................................................................................................................... 113
   29.1- Certificate of Mr Claude Duplessis, Eng. ..................................................................................... 113
   29.2- Certificate of Mr Maxime Dupéré, P.Geo. ................................................................................... 114
30- Drill Hole location .................................................................................................................................. 115




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                                     Page v
                                                           List of tables

Table 1: General Properties Information ....................................................................................................... 7
Table 2: List of claims comprising the Duparquet Properties .................................................................. 12
Table 3: Daily averages for temperatures and precipitation in Val d’Or, Québec (1971 – 2000) ........ 16
Table 4: Historical drilling on the Beattie and Donchester Properties .................................................... 19
Table 5: Stratigraphy of the Duparquet Properties ..................................................................................... 22
Table 6: Gold (production and/or reserves) of the 25 largest gold mines in the Superior Province.. 29
Table 7: Total 2010 drilling done by Osisko/Clifton Star on the Duparquet Properties. .................... 38
Table 8: Summary of the 2010 drilling programme – Beattie Property ................................................... 39
Table 9: Summary of the 2010 drilling programme – Donchester Property .......................................... 39
Table 10: Detail of the 2010 drilling programme – Donchester Property .............................................. 39
Table 11: Summary of the statistical analysis for the different reference materials ............................... 49
Table 12: Statistics on specific gravity measurements ................................................................................ 62
Table 13: Major operations on Osisko Duparquet Malartic database...................................................... 63
Table 14: Summary of the final drill hole database ..................................................................................... 64
Table 15: Average % arsenic content from independent sampling results ............................................. 66
Table 16: Overall Grinding Summary ........................................................................................................... 67
Table 17: Bond Ball Mill Grinding Test Summary ..................................................................................... 68
Table 18: Bond Abrasion Test Summary ..................................................................................................... 68
Table 19: Summary of Whole Ore Cyanidation Results ............................................................................ 69
Table 20: Summary of Flotation Results ...................................................................................................... 69
Table 21: Summary of Concentrate Cyanidation Results........................................................................... 70
Table 22: Overall Summary of the Metallurgical Results ........................................................................... 70
Table 23: Overall results including Pressure Oxidation and Tailing Cyanidation .................................. 71
Table 24: Assays in Gemcom final database ................................................................................................ 74
Table 25: Calculated tonnage vs. historical tonnage ................................................................................... 75
Table 26: Beattie - Research Ellipsoid Parameters...................................................................................... 78
Table 27: Beattie – Inferred Resources......................................................................................................... 79
Table 28: Beattie - Block Model Extent ....................................................................................................... 79
Table 29: Beattie – In Pit Inferred Resources vs. Gold Price ................................................................... 80
Table 30: Published resources of the Duquesne-Ottoman Property ..................................................... 104




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                                            Page vi

                                                             List of Figures

Figure 1: Location map of the Duparquet Properties ................................................................................ 10
Figure 2: Claims location map........................................................................................................................ 11
Figure 3: Access to Duparquet Properties (point F on figure) ................................................................. 15
Figure 4: Regional Geology map ................................................................................................................... 23
Figure 5: Property geology – 2010 Geological mapping survey within Google Earth. ......................... 32
Figure 6: Airborne magnetic survey. First vertical derivate ....................................................................... 34
Figure 7: Overlay Airborne magnetic survey and geology maps .............................................................. 35
Figure 8: Overlay Airborne magnetic / electromagnetic survey and geology maps .............................. 36
Figure 9: Histogram of average daily drilling – Bradley Brothers. ............................................................ 38
Figure 10: Diamond drilling program - collar locations - Beattie property ............................................. 40
Figure 11: 2010 Diamond drilling program - collar locations - Donchester property .......................... 41
Figure 12: Variation of reporter values with time for analytical standard Oreas 15Pa .......................... 50
Figure 13: Variation of reporter values with time for analytical standard Oreas 50Pb ......................... 50
Figure 14: Variation of reporter values with time for analytical standard Oreas 52Pb ......................... 51
Figure 15: Variation of reporter values with time for analytical standard Oreas 53Pb ......................... 51
Figure 16: Variation of reporter values with time for analytical standard Oreas 54Pa .......................... 52
Figure 17: Variation of reporter values with time for analytical standard Oreas 61d ............................ 52
Figure 18: Variation of reporter values with time for analytical standard Oreas 6Pc ............................ 53
Figure 19: Variation of reporter values with time for analytical standard Rocklabs SE44 ................... 53
Figure 20: Variation of reporter values with time for analytical standard Rocklabs SJ39 ..................... 54
Figure 21: Variation of reporter values with time for analytical standard Rocklabs SH41 ................... 54
Figure 22: Variation of reporter values with time for analytical standard Rocklabs SF45 .................... 55
Figure 23: Variation of reporter values with time for analytical standard Rocklabs SN38 ................... 55
Figure 24: Variation of reporter values with time for analytical standard Rocklabs SK43 ................... 56
Figure 25: Variation of reporter values with time for analytical standard Rocklabs SG31 ................... 56
Figure 26: Variation of reporter values with time for analytical standard Rocklabs CDN-GS-P8 ...... 57
Figure 27: Variation of reporter values with time for analytical standard Rocklabs CDN-GS-1D ..... 57
Figure 28: Variation of reporter values with time for analytical standard Rocklabs CDN-GS-2F ...... 58
Figure 29: Variation of reporter values with time for analytical standard Rocklabs CDN-GS-3F ...... 58
Figure 30: Analytical blanks ............................................................................................................................ 59
Figure 31: Correlation Plot of Analytical Results for Reject Duplicates at ALS Minerals .................... 60
Figure 32: Correlation Plot of Analytical Results for Reject Duplicates ALS VS Actlabs .................... 61
Figure 33: Correlation Plot for Independent Check Samples ................................................................... 65
Figure 34: 3D view of underground stopes under topography................................................................. 75
Figure 35: 5 main zones (1, 3A, 3B, 5, 6) ..................................................................................................... 76
Figure 36: Statistics Zone 1 ............................................................................................................................ 76
Figure 37: Statistics Zone 3A ......................................................................................................................... 77
Figure 38: Statistics Zone 3B ......................................................................................................................... 77
Figure 39: Statistics Zone 5 ............................................................................................................................ 78
Figure 40: Statistics Zone 6 ............................................................................................................................ 78
Figure 41: In pit inferred resource looking down ....................................................................................... 81
Figure 42: Looking West section 630,000 E ................................................................................................ 82
Figure 43: Looking West section 630,100 E ................................................................................................ 83
Figure 44: Looking West section 630,200 E ................................................................................................ 84
Figure 45: Looking West section 630,300 E ................................................................................................ 85

SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                           Page vii
Figure 46: Looking West section 630,400 E ................................................................................................ 86
Figure 47: Looking West section 630,500 E ................................................................................................ 87
Figure 48: Looking West section 630,600 E ................................................................................................ 88
Figure 49: Looking West section 630,700 E ................................................................................................ 89
Figure 50: Looking West section 630,800 E ................................................................................................ 90
Figure 51: Looking West section 630,900 E ................................................................................................ 91
Figure 52: Looking West section 631,000 E ................................................................................................ 92
Figure 53: Looking West section 631,100 E ................................................................................................ 93
Figure 54: Looking West section 631,200 E ................................................................................................ 94
Figure 55: Looking West section 631,300 E ................................................................................................ 95
Figure 56: Location of adjacent properties from the Beattie Property .................................................. 105




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                Page 1


1- Summary


The Duparquet project is located in the Abitibi Region of the Province of Quebec, in Duparquet
Township and on NTS sheet 32D/11. The Duparquet project is located in the Municipality of
Duparquet (48°30'10.58"N, 79°13'42.64"W), approximately 2 km ENE of town center and
approximately 34 kilometres NNE of region’s urban center, Rouyn-Noranda.

The Duparquet project consists of three different properties: Beattie, Donchester and Central
Duparquet. Both Beattie and Donchester are mining concessions while the Central Duparquet
property is a block of 18 staked claims.

In 2009, Osisko became operator of the project after a joint venture with Clifton Star Resources Inc
(¨Clifton¨). The agreement gives Osisko the rights to 50% interest of Duparquet project in
consideration of a $70 million investment of exploration expenditures from 2010 to 2013. Two
loans of $8.5 million for 24 months and $22.5 million for 36 months were extended to Clifton to
fund option payments on the properties. These loans would carry interest at 5% and can be
converted into stock at Clifton’s choice.

The Duparquet project is underlain by Archean metavolcanics and metasedimentary units. The
range of lithology varies from basalts to andesite flows, agglomerates and tuffs to acid volcanic rocks
reworked to greywackes, argillites, conglomerates and arkoses of the Clericy Group. The upper
Duparquet sedimentary sequence is defined by interlayered intrusive dikes and sills of diorite,
diabase, syenite and feldspar porphyries.

The surface area of Duparquet is traversed by the Porcupine-Destor Fault in an east-southeast
direction (N110˚) and includes the site of old workings called Beattie and Donchester, as well as
important splays of the Porcupine-Destor Fault, known as the Beattie, Donchester and Central
Duparquet Faults, which strike in an east-west direction for at least 2,100 metres.

Most of the known mineralisation appears to be related with the late intrusions of syenite and
feldspar porphyries into the Keewatin mafic flows and tuffs along zones of weakness. It could also
be associated with splays of the Porcupine-Destor Fault Zone (PDFZ) or with the late phases of
volcanism.

On the Beattie and Donchester Properties, the gold mineralisation occurs within shears or fractures
zones along or within the intrusive syenitic masses associated with finely disseminated pyrite, minor
arsenopyrite and minor magnetite. The gold is associated with the sulphides as a replacement
mineral, and is usually very fine and evenly dispersed within the sulphides.

The gangue mineralogy of the mineralisation consists of feldspar (45%), quartz, calcite, sulphides,
sericite, and chlorite.

Geological mapping was performed on the Beattie Property in August 2010 and during December
2010 and January 2011, a helicopter-borne magnetic and time-domain electromagnetic geophysical
survey was completed over the Beattie, Donchester and Central Duparquet Properties. Exploration

SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                Page 2
drilling was performed on those properties by Clifton Star Resources Inc (2008 and 2009) and by
Osisko Mining Corporation (2010).

A mineral resource block model has been interpolated from the drill holes data on the Beattie
property. Analytical composites of 1.5m were constrained within a 3D wireframes defined by the
mineralized intercepts. The material occurring outside the wireframes were interpolated with the
remaining composites. The mineral resource model was filled with blocks measuring 10 m (X) by 2
m (Y) by 5 m (Z) and covers the area located within sections 629,650 m E and 631,650 m E on the
Beattie – Property to a maximum depth of 240 m below sea level. The interpolation of the block
grade was performed with the inverse of the distance’s squared method using anisotropic search
ellipsoids. The mineral resources were all classified into the inferred resource category due to
outstanding discrepancies in some drill holes between the collar surveys and the downhole surveys
(in the order of 15⁰). An average density of 2.70 t/m³ was used to calculate the final tonnage of the
mineral resources based on the volumetric estimates of the block model.

The final in-pit mineral resource with a reasonable prospect for economic extraction was established
at a base case cut-off grade of 0.67 g/t Au; and totals 31,950,000 tonnes grading 1.67 g/t Au in
the inferred resource category. The base case cut-off grade is high due to the refractory nature of
the mineralisation. Preliminary whole rock leach tests suggest low recoveries (30%-40%) that would
require oxidation pre-treatment of ore.

The current inferred resource estimation for the Beattie property is sufficient to justify additional
work on the property. Future work should include bulk sampling, extensive mineral processing and
metallurgical testing and preliminary economic assessment study. This project is particularly sensitive
to gold prices.

It is public knowledge that the property has a serious environmental problem derived from residual
arsenic from past production. This needs to be addressed as a priority for future development. This
fact in addition to the requirement of a complex gold extraction process, however, makes this
project very challenging.


SGS Geostat independent qualified persons are not in position, and it is not within our mandate to
recommend continuation or not with the commitment of Osisko to Clifton on the Beattie property.




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                 Page 3


2- Introduction


2.1 General

This technical report was prepared by SGS Canada Inc. – Geostat (SGS Geostat) for Osisko Mining
Corporation (Osisko) to support the disclosure of updated mineral resources for the Beattie
Property. The mineral resource was estimated on the Beattie property only, the mineral resources for
the Donchester and Central Duparquet properties, contiguous to the Beattie property, have not
been estimated as part of this report. As requested by Osisko, this technical report is made available
to Clifton Star Resources Inc. as they are joint-venture partners on the Beattie property.

The report describes the basis and methodology used for the modeling and estimation of the
mineral resources of the Beattie property from drilling data and new surface drilling data collected
by Osisko. The report also presents a full review on the history, geology, sample preparation and
analysis, data verification, mining and metallurgical testing the Beattie property and provides
recommendations for future work.

SGS Geostat was commissioned by Osisko on April 29th 2011 to prepare an independent estimate
on the mineral resources of the Beattie property. Osisko supplied electronic format data from which
SGS Geostat validated and generated a final updated database.

In the report, the term “ore body” and “ore” are used in a descriptive sense and should not be
confused as a representing current economic viability.

The assistance of SGS Geostat personnel Guy Desharnais P.hD. P.Geo., Jonathan Gagné Eng. and
Isabelle Hébert in the preparation of this report is gratefully acknowledged.

SGS Geostat acknowledges the collaboration of Osisko technical team in the persons of: Luc Rioux,
Patrick Dubois, Isabelle Pinette, Louis Caron and Pierre de Chavigny.


2.2 Terms of reference

This report on Duparquet Beattie gold Property mineral resources estimate was prepared by Claude
Duplessis Eng. and Maxime Dupere P. Geo (with assistance from Jonathan Gagne Eng.). The
authors, Claude Duplessis Eng. and Maxime Dupere P. Geo, qualified persons as for NI 43-101 are
responsible for all sections of the report.

This technical report was prepared according to the guidelines set under "Form 43-101F1 Technical
Report" of National Instrument 43-101 Standards and Disclosure for Mineral Projects. The
certificate of qualification for the Qualified Person responsible for this technical report can be found
in certificate section.

Maxime Dupéré visited the Beattie property from May 3rd to May 4th, 2011, to review the exploration
methodology, sampling procedures, quality control procedures and to conduct an independent

SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star               Page 4
check sampling of mineralized drill core intervals selected from recent drill holes from the Beattie
property.

Unless otherwise stated, all units of measurement in this report are metric and costs are expressed in
Canadian dollars (CAN$). The metal gold (Au) is priced in United States dollars (US$) per troy
ounce, but a conversion factor of 1 was apply to convert it to CAN$.


2.3 Units and Currency

The following abbreviations may be used in this report




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star          Page 5
2.4 Disclaimer

It should be understood that the mineral resources which are not mineral reserves do not have
demonstrated economic viability. The mineral resources presented in this Technical Report are
estimates based on available sampling and on assumptions and parameters available to the author.
The comments in this Technical Report reflect the author’s and SGS Canada Inc. – Geostat’s best
judgment in light of the information available.

In the report, the term “ore body” and “ore” are used in a descriptive sense and should not be
confused as a representing current economic viability.




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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                   Page 6


3- Reliance on Other Experts

In this report, the authors did not rely on any other experts.

Metallurgical test work was done The Beattie property by SGS Lakefield in 2011: (Jackman, R.,
Dymov, I. (2011) : An investigation into the recovery of gold from Beattie-Duparquet samples,
prepared for Osisko Mining Corporation, Project 12517-001 – Final Report, February 7, 2011, 88
p.).

The authors of this Technical Report are not qualified to comment on issues related legal
agreements, royalties, permitting, and environmental matters. The authors have relied upon the
representations and documentations supplied by the Company’s management. The authors have
reviewed the mining titles, their status, the legal agreement and technical data supplied by Osisko
and Clifton, and any public sources of relevant technical information.

The assistance of Osisko geological and technical staff is also gratefully acknowledged.




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star             Page 7


4- Property Description and Location


4.1 General Properties Information

The Beattie property is located just north of the town of Duparquet; whereas the Donchester and
Central Duparquet properties are located 2 kilometres east-northeast of the town; all the properties
are located in Duparquet Township, Province of Québec, NTS 32D/11.

Table 1: General Properties Information




*(NAD 83 –Zone 17U)




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                  Page 8
4.2 Exploration and Option Agreement

Agreements between Clifton Star Resources Inc. and original owners of the properties

Clifton Star Resources Inc. (Clifton) has signed option agreements with previous properties owners.
Here are few clarifications.

Beattie Gold Mines Ltd. (“Beattie”) own the underground mining concession of the Beattie property
2699681 Canada Ltd. (“2699681”) own wholly the company Eldorado Gold Mines Inc. who own
certain surfaces on the right of Beattie property 2588111 Manitoba Ltd. (“2588111”) own wholly
173714 Canada Inc who own the Donchester property.

May 1st 2008, Clifton signs an option agreement on the Beattie and Donchester Properties with
Beattie, 2699681 and 2588111. October 26th 2009, a letter of Intent is sign with optionors, therefore
new agreements are officialised. Payments ($8,500,000) are made on June 1st 2010 to the three and
so Clifton earns 10 % of the issued and outstanding shares of the optionors. Further payments
($52,000,000) to optionors are expected on December 1st 2012 and December 1st 2017. In the
present case, Clifton gains the remaining 90% of the issued and outstanding shares and optionors
will retain 2% Net Smelter Return Royalty (“NSR”).

Clifton signed option agreements with the owner of Central Duparquet Property on December 15th
2008. Clifton acquires 100% of the property, with the first payment of $400,000 on January 13th,
2009. In this case, Clifton has the right to sell, transfer or otherwise dispose of all or any portion of
its interest in the property in the five years following the agreement. Once the disposition is at term,
Clifton or the eventual company acquiring interest in the property will make a payment of
$1,900,000 in cash or share to optionors. February 26th 2010, Clifton acquires a NSR from optionors
at $155,000(paid) and 10,000 common shares of Clifton Star Resources Inc.

Agreements between Clifton Star Resources Inc. and Osisko Mining Corporation

December 10th 2009, Osisko Mining Corporation (“Osisko”) enters with Clifton in a mineral
property and a joint venture agreement on the Duparquet project. With this agreement, Osisko
Osisko becomes operator of the project and may acquire 50% interest of the properties, by investing
$70,000,000 in exploration expenditures from January 1st, 2010 to January 1st, 2013. Osisko also
agrees to advance loans ($8.5 million for 24 months and $22.5 million for 36 months ) at a rate of
5% interest, to Clifton fund option payments on the properties, these loans can be converted into
stock at Clifton’s choice.




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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                 Page 9
4.3 Properties Environmental Liabilities

Understanding that Osisko is not the owner of the properties, some concerns have to be raised. The
main environmental concern around this project is the presence of arsenic due to the milling
activities that took place on the Beattie property between 1933 and 1956. Indeed, the site is listed on
Quebec’s directory of contaminated site and on the directory of soil deposits and industrial residues.

The rock in the Duparquet district is naturally rich in arsenopyrite. At the end of the milling and
extraction process arsenic was collected in form of arsenic trioxide (As2O3). Overall, approximately
10,000 tons of arsenic has been collected, two third are stored in drums, the other third is stored in a
cement reservoir. On that amount, half of the 2,500 forty-gallon drums have been sold; the rest is
stored on the property.

Tailings are also present, they contain 1.5% to 2.5% of pyrite with a relatively low concentration of
arsenopyrite; the sulphide can possibly leach and acidify the different water body. The most
important part of the leaching goes in the Glory Hole where water pH is sufficiently high enough to
neutralize acidic input.

Relative to the major earthflow that occurred in 1943 on the Beattie property; there is a possibility of
another mass movement considering the predisposition of the overburden’s characteristic linked to
the glacial lake deposit.


4.4 Work Permits and Access for the Properties

No permit is needed concerning Beattie and Donchester properties because they are privately own.
But, in the case of the Central Duparquet property, a forest intervention permit must be acquired to
pursue the drilling work

Osisko must require a permission from the land owner to access the properties Donchester and
Beattie, in this case Eldorado Gold Mines Inc. (2699681 Canada Ltd). Until now, Osisko did not
have any problem getting permission.




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Figure 1: Location map of the Duparquet Properties

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Figure 2: Claims location map
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Table 2: List of claims comprising the Duparquet Properties




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5- Accessibility, Climate, Local Resources, Infrastructure and
Physiography

This section was submitted by Osisko technical team and, it was revised, validated and approved by
SGS Geostat.

5.1 Accessibility

The Duparquet Properties are easily accessible from Rouyn-Noranda. The proposed trajectory starts
facing north on Highway 101 during 38 kilometres, then west along Highway 393 through 14
kilometres until the municipality of Duparquet. From Timmins Ontario, the Duparquet Properties
are easily accessible by travelling east along Highway 101 during 166 kilometres. Or, from La Sarre,
the Duparquet Properties are accessible by travelling south on provincial Highway 393 for 33
kilometres. These are paved highways accessible all-season long. Airports are located in Rouyn-
Noranda and Timmins.


5.2 Climate

The climate is classified as being Continental with cold dry winters and relatively warm dry
summers. The temperature’s range is around 34°C between seasons. January is the coldest month
with an average temperature of minus 17°C. July is the warmest month with an average temperature
of 17°C. Annual precipitation is around 900 mm.


5.3 Local Resources

The city of Rouyn-Noranda is 50 kilometres away; paved highways 101 and 393 could readily supply
equipment or repairs and experienced mine operators. The City of Duparquet has a population of
800 residents. Up until 2006, Duparquet supplied part of the work force for the Harker-Holloway
(Barrick-Newmont) mining operation located 36 kilometres to the west. Power is available in the
mine site. Water is available by pipes from the town supply, Lac Duparquet, and from the water-
filled Glory Hole. Skilled workers and housing are available in the municipality of Duparquet.


5.4 Infrastructure

Most of the mine buildings had been taken down, the shafts capped and flooded. The existing glory
hole is flooded and existing as a lake or pond. The only buildings remaining are the roaster building,
the smoke stack, and the water tower. The Quebec laws do not allow the roaster, which still remains
essentially in working order, to operate.




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5.5 Physiography

The claims are located in a moderately rolling terrain just north of a reasonably flat belt of glacial till
deposits and marginal farmland. Outcrop density varies between 10% and 80%. The area is covered
with an immature to semi-mature forest of poplar with birch, balsam, spruce and jack pine
interspersed here and there and with an incredibly thick undergrowth of mainly tag alders and scrub
maple, willow, chokes cherries, dogwood, cranberries, saskatoons and raspberry canes. A large
spruce-balsam swamp edged with alders is also present. The overburden is generally consisted of
sandy soil and till with occasional gravel portions. Boulders up to 3 metres are scattered here and
there. The boulders are generally granitic composed. The north and west sections of the Beattie
Property have low relief and overburden covered. The west central area of Beattie Property is
covered up by 2.5 to 3.5 metres of mill tailings material.




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Figure 3: Access to Duparquet Properties (point F on figure)




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Table 3: Daily averages for temperatures and precipitation in Val d’Or, Québec (1971 – 2000)




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6- History

This section was taken directly from P.A. Bevan’s (2009) technical report. It has been reviewed by
SGS Geostat, and seems to be accurate according to other sources from public information.

6.1 Properties history

Note: This chapter was taken directly or summarized from P.A. Bevan’s (2009) technical report.

Gold was first discovered in Duparquet Township by John Beattie in 1910. However it was not until
1923 when the first claims included in Mining Concession 292 were staked by John Beattie. In 1924
the Victoria Syndicate optioned the property and carried out extensive trenching but results were
not encouraging.

Prospecting of the claims continued in 1925-1926 and in 1927 Consolidated Mining and Smelting
optioned the claims. This company continued exploration by trenching and undertook several
thousand feet of diamond drilling, but dropped the option in 1930.

In the same year, John Beattie discovered the Main or North ore body and optioned the property to
Ventures Limited and Nipissing Mining Company. These two companies advanced capital to
develop the Beattie Mine. The North ore body was diamond drilled and a two compartment shaft
was sunk to 220 feet. During the sinking of the shaft, another ore body was encountered which was
called the “A” ore zone.

The former operator of this mine, Beattie Gold Mines Limited, was organized in 1932. A six-
compartment shaft was sunk to a depth of 1,150 feet and nine levels were established at 150 foot
intervals, with the first level at 200 feet below the shaft collar. A 2,000 ton per day flotation process
plant was erected and production started in 1933, with concentrates being shipped to Asarco’s
smelter in Tacoma, Washington, U.S.A. A cyanidation plant was installed in 1934 and, because of
the sulphide content in the ore; a roaster was added in 1937 to improve recoveries. Initially, the
production rate was 800 ton per day, gradually building up to 1,500 tons per day in 1935 to a
maximum of 1,900 tons per day in the highest production years of 1941 and 1942.

In 1937, a three-compartment winze or internal shaft was sunk from the 5th (800 foot – 244 metres)
level some 900 feet (274 metres) east of the main shaft down to the 9th (1,400 foot – 427 metres)
level. The winze was later deepened to the 2,050 foot (625 metres) level with the 13th (2,000 foot –
610 metres) level established. In 1939, the Company was re-organized, becoming Beattie Gold
Mines (Quebec) Limited. In 1941, Beattie acquired the Donchester Mine, immediately east of the
property.

In 1943, the Company suffered a disastrous cave-in, caused by failure of the main pillars of the
“Glory Hole”, resulting in an inrush of approximately one million cubic yards (764,555 cubic
metres) of clay, sand and broken rock into the mine workings. Rehabilitation work started
immediately and continued up until 1950. During this period, mining exploration in the original
Beattie mine suffered and operations were conducted at a loss. Much of the production slack was
taken up by tonnage from the Donchester section which was brought on-stream sooner because of

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the cave-in at Beattie. Production losses were accentuated during the war years due to the shortage
of labour and supplies, and after 1946, because of rising costs and a fixed price of gold. Only with a
government cost aid programme (the Emergency Gold Mining Act, E.G.M.A.) were gold mines
such as the Beattie mine were able to stay open in the post-war years.

In 1946, the Company again re-organized and; became Consolidated Beattie Mines Limited.
Operations continued until 1956 when, after 23 years of almost continuous production, the mine
closed. During its lifetime the Beattie mill treated 10,614,421 tons of ore with an average grade of
0.126 oz/t Au (3.9 g/t Au). Of this total 1,350,000 tons grading 0.14 oz/t Au (4.35 g/t Au) were
produced from the Donchester section.

Except for a small surface exploration programme in 1966, the property remained dormant from
1956 to 1987. The 1966 exploration consisted of: line cutting, an electromagnetic survey, and two
diamond drill holes totalling 850 feet (259 metres), drilled to test an EM anomaly which was found
to be caused by graphite. Table 3 below, lists the drilling done on the Beattie and Donchester
Properties between 1987 and 2009.




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Table 4: Historical drilling on the Beattie and Donchester Properties




6.2 Historical Mineral Resource Estimates (not NI 43-101 compliant)

Reserve estimates as carried out by C.W. Archibald Limited (1987) and Derry, Michener, Booth &
Wahl (1987) appear to have been base on a 1950 longitudinal section. These reserves were quoted in
a 1987 Prospectus and were as follows:

449,800 tons averaging 0.095 oz/t Au (2.95 g/t Au) from the A zone west of the Glory Hole
450,000 tons averaging 0.120 oz/t Au (3.73 g/t Au) from broken muck in the Glory Hole
630,000 tons averaging 0.122 oz/t Au (3.79 g/t Au) from east of the Glory Hole (DMBW)
264,075 tons averaging 0.120 oz/t Au (3.73 g/t Au) from below the 9th level.

The discovery of a 1954 longitudinal section shows that much of the 630,000 tons estimated by
Derry, Michener, Booth & Wahl has already been mined.

The reserves as quoted above are not considered by the author to be in compliance with the rules
and guidelines of NI43-101. Due to the above reasons and discussion, the historical estimates of the
reserves should not be relied upon, as per section 4.2(b) under the rules and policies of NI 43-101.



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7- Geological Setting and Mineralization

This section was taken directly from P.A. Bevan’s (2009) technical report. It has been reviewed by
SGS Geostat, and seems to be accurate according to other sources from public information.


7.1. Regional Geology

The Duparquet Properties are located within the southern portion of the Abitibi Greenstone Belt
which is itself within the Superior Geological Province. Most of the rocks in the Southern Abitibi
Greenstone Belt are Archean in age with ages ranging from 2,730 and 2,670 Ma. The overall
geometry of the Southern Abitibi is of east-west trending lithological sequences that vary in
composition from ultramafic (komatiites) through to felsic rocks and are primarily of volcanic origin.
The volcanic sequences have been intruded by volumetrically significant mafic to felsic batholiths
that are mostly dated between 2,707 and 2,696 Ma. These units are locally capped by local
occurrences of narrow, east-west trending sedimentary sequences consisting of fine, turbidic rocks
(Porcupine Group, Kewagama Group). These sequences are spatially related to less common,
younger coarse clastic rocks of the Timiskaming Group and its equivalents that are generally thought
to be 2,677 ± 2 Ma (Corfu, 1993). Volumetrically minor felsic intrusions and their extrusive
equivalents occur in many areas including the Porcupine area (±2,690 Ma), the Kirkland Lake area
(±2,677 ± 2Ma) and in the Duparquet area (2,689 to 2682 Ma) (Armstrong et al, 2010).

The sedimentary sequences are spatially associated with, east-west trending major regional (PDFZ)
structures and are also spatially related to all the known major gold deposits in the area. Despite the
spatial relationship, the sediments are younger than the major structures and the major gold deposits
post-date the deposition of the sediments. The first order structures (Porcupine-Destor Fault, the
Larder Lake-Cadillac Fault) most frequently occur at the boundaries between different volcanic or
sedimentary sequences but as they also cut certain sequences, they are not always terrane boundaries.
In the vicinity of the Duparquet Properties, the major lithological units are the Kinojevis Group to
the North and the slightly younger Blake River Group to the south. These units are separated by
clastic sediments of the Duparquet Formation which is considered to be the stratigraphic and
temporal equivalent of Timiskaming Group age sediments. These sediments are distinct from fine
grained, well bedded argillites and greywackes of the Clericy Group which are considered to be the
basal part of the Blake River Group.

The Porcupine-Destor Fault Zone trends at ± N110° in the Duparquet region; this is in contrast to
its more common east-west (± N090°) trend from the Porcupine-Timmins gold camp through to
the Harker-Holloway area. In the Harker-Holloway area, the fault trends approximately N090° and,
with associated slivers of sedimentary rocks, forms the boundary between the Stoughton-
Roquemaure Group (2,717 to 2,712 Ma; Corfu, 1993) to the north and the Kinojevis Group to the
south. However, in the area of the Quebec-Ontario border, the geometry of the fault relative to the
major volcanic sequences changes. From that area to the eastern limit of the Donchester Property,
the fault changes direction to N110°, and in addition it cuts only the Kinojevis Group (Armstrong et
al, 2010.



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In the area, the Duparquet Formation occurs as a narrow band of Timiskaming type sediments
(conglomerate, wacke, arkose). These sediments mark the general trace of the fault zone, they sit
unconformably on all other units, and on a regional scale they mark the boundary between the
Kinojevis and Blake River Groups.

In the Duparquet area, there are a number of porphyritic intrusions dated between 2,689 to 2.682
Ma (Legault et al., 2002) that are spatially associated with previously mined gold deposits.
Historically, gold mineralisation in the Duparquet area is described as “found chiefly along shear
zones in or adjacent to the porphyries” (Graham, 1954).

The regional geology consists of rocks of Precambrian age within the Abitibi Greenstone Belt and
which are subdivided into four main groups: the Keewatin Volcanics (oldest), the Blake River Group
(younger volcanic), the Kewagama Group (Clericy Metasediments) and the Kinojevis Group
(volcanic also).
The cycle of geological events started with the outflow of Keewatin Volcanics followed by gentle
folding and erosion, and then with the deposition of the Clericy Sediments. Later, the Blake River
volcanics were deposited conformably on top of the sediments. After, came a series of intrusive
consisting of peridotite, pyroxenites and granites with renewed folding and erosion. Later, the
Duparquet Sediments were unconformably deposited, followed by folding which produced the
Duparquet Lake Syncline. This gave rise to the major faulting at which time the Porcupine-Destor
Fault and other associated major branching faults were formed. Near the end of the period of
faulting, younger acidic porphyries, granites and aplites were intruded along or adjacent to the fault
system.

Later, dikes of diabase, pyroxenites, gabbros and diorites filled the fracturing developed during the
late stages of faulting in northwest and northeast fracture directions. Finally a capping of glacial
material consisting of sands, gravels and clays covered the low lying areas during the Pleistocene and
recent times.




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Table 5: Stratigraphy of the Duparquet Properties




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Figure 4: Regional Geology map


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7.2. Local and Property Geology

The Duparquet Properties are underlain by Precambrian metavolcanics and metasedimentary units
ranging from basalts and andesite flows, agglomerates and tuffs to acid volcanic overlain by
greywackes, argillites, conglomerates and arkoses of the Clericy and Upper Duparquet sedimentary
sequences, including interlayered intrusive dikes and sills of diorite, diabase, syenite and feldspar
porphyries as shown in following figure.

The properties cover the old mine workings known as the Beattie and Donchester Mines, it also
covers the Porcupine-Destor Fault which traverses the property in an east-southeast direction
(N110˚). It also covers, for at least 2,100 metres strike length, important splays of the Porcupine-
Destor Fault, known as the Beattie, Donchester and Central Duparquet Faults, which strike in an
east-west direction.

Most of the known mineralisation appears related to the late intrusions of syenite and feldspar
porphyries into the Keewatin mafic flows and tuffs along zones of weakness adjacent to or
coincident with splays of the Porcupine-Destor Fault Zone (PDFZ) or to late phases of volcanism.

The geological formations strike generally east-west and dip steeply to the north at 80° or 85°. There
has been local shearing and offsetting of units but lateral displacements are minor. Vertical
displacements are difficult to determine.

The grade of metamorphism of the geological units is generally low (greenschist facies) with local
alteration being chloritization, silicification and sericitization.


7.3 Stratigraphy

The rocks underlying the Duparquet Properties are generally made up of intercalated felsic (rhyolitic
to dacitic) and mafic (basalt to andesite) metavolcanic flows with the felsic flows being the oldest.
Metasediments layers consisting of arkosic sandstones, greywackes, argillites, crystal tuffs, and
conglomerates are also present; generally more prevalent on the southern limb of the Porcupine-
Destor Fault Zone. All the units have been intruded by syenite porphyry units, which appear to be
concordant to the offset faulting from the Porcupine-Destor Fault. Quartz feldspar and lath
porphyries have been injected into the shear-faulted section of the syenite porphyry units as
secondary movements.


7.4 Structure

The Beattie and Donchester gold-bearing mineralized zones occur within the Beattie and
Donchester Faults, which lie oblique to the north contact of the Porcupine-Destor Fault system.
The Beattie Fault lies along the north contact of a syenite porphyry, whereas the Donchester Fault
lies along the southern contact of the same syenitic intrusive complex. The contact area of the
syenite porphyry complex has been subjected to hydrothermal fluid injection and silica flooding into
which the gold bearing fluids have been introduced. Cross cutting faults caused by secondary

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movement have been subjected to offset / lateral movement and block fault movement. Some of
the lateral offsets can be as much as 60 metres in displacement, (Bevan, 2009).
The syenite porphyry plunges to the east at approximately 45°. The North contact dips steeply south
at approximately 78° and the south contact dips north steeply at roughly 80°; thus suggesting that
the mineralized contacts of the syenite porphyry might converge within the central portion of the
complex at depth.

Crosscutting faults structures have reintroduced gold-bearing hydrothermal fluids; and it has been
observed that there are at least three periods of hydrothermal fluid injection.

The main-stage gold-bearing systems are associated with faults and shears which either lie at the
contacts of the syenite porphyry intrusive or which cross within the syenite porphyry systems. These
gold-bearing systems can continue within the faults as they trend away from the syenite porphyry
intrusive and within the adjacent mafic metavolcanics and the metasedimentary rocks at or near the
contacts with the syenitic intrusive.


7.5 Alteration

Gold-bearing quartz veins within the Porcupine-Destor Fault Zone (PDFZ) have historically been
associated with sericite-carbonate-ankerite-chlorite alteration haloes, and late stage quartz-carbonate
veins with ankerite alteration haloes.

Gold-bearing mineralisation at the Beattie-Donchester Mines is associated with carbonate, chlorite,
fuchsite, and sericite alteration which is a product of hydrothermal fluid injection within the sheared
and brecciated sections of the syenite porphyry. Silicification of the fractures along with chert-calcite
rich accumulations within the fractures along with pyrite-arsenopyrite replacement are observed
within the mineralized zones. The chert appears to be dark grey colour as a result of potassic rich
fluids, hematite, and tourmaline contained within the hydrothermal fluids.

The zones of alteration, which host the gold-bearing materials, are associated with sericite,
sedimentary alteration, silica flooding, carbonate, chlorite, fuchsite, tourmaline, and pyrite.


7.6. Mineralization

Note: This chapter was taken directly and/or summarized from P.A. Bevan’s (2009) report.

In the Beattie and Donchester Mines, the gold mineralisation occurs within shears or fractures zones
along or within the adjacent intrusive syenitic masses associated with finely disseminated pyrite and
minor arsenopyrite mineralisation. The gold is associated with the sulphides as a replacement
mineral, and is usually very fine and evenly dispersed within the sulphides. Sulphides contents
averages between 0.5% and 4%, although some localized zones of up to 10% sulphides can be
observed. The sulphides are found as disseminations and seams, and the gold values appear to
increase within the finer grained sulphides. Minor amounts of chalcopyrite, molybdenite, sphalerite
and galena have been observed, associated with the gold bearing mineralized zones. Gold is found
mainly in highly silicified breccia zones of altered, bleached Keewatin lavas and tuffs, or at the

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contact or in adjacent quartz feldspar porphyries in mineralized veins and stringers of quartz and
calcite.

It is thought that the mineralisation was deposited by hydrothermal solutions following the intrusion
of the quartz-feldspar porphyry / syenites which in turn were controlled by older regional faults and
the junction of local branch faults. These branch faults frequently occur where the Porcupine-
Destor Fault changes direction from an east-west trend to an east-southeast trend.

The “Main” or North Zone occurs mainly in brecciated Keewatin lavas and tuffs or in silicified,
altered quartz-feldspar porphyries along the north contact of the Beattie syenite porphyry itself.

The “breccia” ore within the metavolcanics consists of well mineralized, siliceous, brecciated, grey,
bleached and altered zones in lavas and tuffs and generally averaged 0.15 oz/t Au (4.7 g/t Au). The
porphyry ore consists of highly altered and mineralized, fine grained porphyry that was characterized
by a grey colour and strongly siliceous in nature and contained lower gold values than the ore
contained within the metavolcanics.

The general mineralogy of the ores was similar, consisting of the following elements: feldspar (45%),
quartz, calcite, sulphides, sericite, chlorite and other minerals. The gold was usually finely
disseminated and associated closely with pyrite, arsenopyrite, and minor magnetite. Mill tests
suggested that 35% of the gold was in a free state and the remainder was tied up within the
sulphides.

Some of the higher grade values in the 0.22 oz/t Au (6.8 g/t Au) range were located near or along
contact zones where mineralized quartz and calcite micro fractures were common. These were
known as vein contact zones and displayed a typical depletion of alumina and alkali minerals and
replacement of feldspar by calcite and quartz. It is possible that the ore processes involved the
fracturing and brecciation of the country rock, followed by intrusions of porphyry, and finally
hydrothermal replacement of the primary minerals by carbonate, sericite, sulphides and gold.

Gold has been found in many other areas of the property, both in surface and diamond drilling
intersections, but the main effort during the Beattie and Donchester Mines active life was towards
maintaining production. Several references were made with respect to high gold values encountered
in porphyry dikes and calcite slips found southwest of the shaft and in interfingered Keewatin
metavolcanics around the west end of the porphyry mass. During the late stages of the “mines”
active life, very little exploratory drilling was done away from the main ore zones or down dip to the
structure. These are areas of prime importance.

The gold-bearing zones consist mainly of silicified and brecciated material with averages 0.5% to 3%
sulphides: gold has been observed in thin section as replacement/recrystallization within pyrite
cubes. Minor sulphides consist of chalcopyrite, galena, and arsenopyrite. Magnetite, in amounts of
up to 5% occurs, not within the gold-bearing structures, but parallel to them.

The South Zone appears to be plunging approximately 45° to the east. It appears that the syenite
body also plunges in the same direction.

The gold-bearing zones are associated with silicification, brecciation, and alteration products such as:
carbonate, chlorite, sericite, epidote, hematite and fuchsite. Bleaching and leaching is common
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within the gold-bearing zones, and chert rich horizons are associated with the gold-bearing zones.
The mineralized zones consist of 27 to 30% silica, 15% calcite. Highest gold values are associated
with averages of 2 to 3% sulphide content (pyrite, arsenopyrite).

Gold has been remobilized at least three (3) times as observed by veins cutting primary and
secondary veins, and higher gold values have been found along cross-cutting faults as a product of
reconcentration within these systems, along the nose of folds, and within lath porphyry dike
intrusions.

The North ore body (east of the Glory Hole), dips north in opposition to the west side which dips
south. The ore body was the largest in the mine having produced over 7,000,000 tons grading 0.136
oz/t Au (4.23 g/t Au). The North Zone has been traced for almost 1,800 metres on surface, with
widths varying from a few metres to several metres, especially near the Glory Hole area. The ore
zones pinch and swell and are affected by both northwest and northeast faulting.




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8- Deposit Types

Source: Osisko technical team

Gold mineralisation on the Duparquet Properties belongs to the structurally controlled Archean
lode gold class of deposits. Structurally hosted, low-sulphide, lode gold vein systems in metamorphic
terranes from around the world possess many characteristics in common, spatially and through time;
they constitute a single class of epigenetic precious metal deposits.

The majority of lode gold deposits formed proximal to regional terrane-boundary structures that
acted as vertically extensive hydrothermal plumbing systems. Major mining camps are sited near
deflections, strike slip or dilatational jogs on the major structures. Accordingly, the mineralisation
and associated alteration is most intense in these flanking domains.

The Superior Province is the largest exposed Archean craton in the world, and has accounted for
more gold production than any other Archean craton, with more than 152 million ounces produced
to date. Table 5 lists the 25 largest known deposits; each of these has produced, or is known to
contain, more than 1 million ounces of gold. Figure 6 shows the locations of some of those mines
and/or mining camps.
Source: http://en.wikipedia.org/wiki/Abitibi_gold_belt

The Abitibi belt is clearly the most prolific gold-producing greenstone terrain in the Superior
Province: the Timmins (Porcupine) camp alone has contributed close to 67 million ounces of gold
(end of 2001), far greater than production from the Kalgoorlie camp in Western Australia, or from
the Homestake deposits in South Dakota.
Source:http://www.discoverabitibi.com/Table%203%20Timmins%20Gold%20Production%20to%
202001.pdf

In general, the mineralisation occurring on the Beattie and Donchester Properties appears to be
typical of that occurring in most Archean mesothermal gold deposits. Gold is hosted in or adjacent
to narrow quartz-carbonate veins with associated sericite-ankerite-silica-pyrite alteration in and
adjacent to the veins. The veins are normally hosted by wider and more continuous alteration zones
that are controlled by the subvertical, east-west trending structures. The past-producing mines in the
Duparquet area include the Beattie Gold Mine, the Donchester Mine, the Central Duparquet Mine
and the Duquesne Mine.

The following descriptions of mesothermal lode gold deposit types (sub-type Disseminated and
replacement gold) are taken from “Disseminated and Replacement Gold”, authored by K. Howard
Poulsen in Geology of Canadian Mineral Deposit Types, (ed.,) O.R. Eckstrand, W.D. Sinclair, and
R.I. Thorpe; Geological Survey of Canada, Geology of Canada, no. 8, p. 323-328.

“In all geological environments, gold deposits are commonly composed of either vein or
disseminated ores, or combinations of the two. The term disseminated refers to ores in which veins
are minor and gold is “finely dispersed in host rocks of variable composition where little or no fabric
controls on mineralisation is apparent, at least at the hand specimen scale” (Romberger, 1986).
Although this term is commonly applied to deposits inferred to have formed at shallow to

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intermediate crustal depths in younger terranes (Carlin-type, mantos, gold-rich volcanic-associated
massive sulphides, etc.), there are also many important Canadian deposits in metamorphic terranes,
particularly in Precambrian and younger greenstone belts (sensu lato), that consist dominantly of
disseminated ores for which the origins are more obscure. Disseminated and replacement gold
deposits comprise mainly stratabound, auriferous bodies of disseminated to massive sulphides,
commonly pyritic, that are hosted either by micaceous and or aluminous schists, derived from tuff
and volcanic sandstone, or by carbonate-clastic sedimentary rocks; spatial associations with granitoid
rocks are common. They have low contents of base metal sulphides and commonly less silver than
gold.

Table 6: Gold (production and/or reserves) of the 25 largest gold mines in the Superior
Province.




Disseminated and replacement gold deposits occur in host rocks of both volcanic and sedimentary
derivation. This includes tuffaceous metavolcanic rocks in the Precambrian greenstone belts and
Phanerozoic arc terranes, as well as clastic and carbonate sedimentary rocks such as those found in
the deformed passive margins of ancestral North America. The best Archean examples of the
volcanic associated type occur in the Superior Province at Hemlo in Ontario, the sulphide orebodies

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in the Red Lake district, Ontario, and Beattie, Quebec are similar in many respects. In most cases,
the deposits occur in linear belts containing a diversity of lithological units with sub parallel contacts.

Intrusions form a significant proportion of the rocks in most of the districts containing disseminated
gold deposits. These take the form of stocks and dikes, ranging from mafic to felsic in composition
and from pre to post-tectonic timing. Regional dynamo thermal metamorphism of low to medium
grade has affected the rocks in all districts that contain deposits of this subtype. In each of the
districts cited, the rocks were penetratively deformed during regional metamorphism and this has
resulted in at least one generation of tectonic fabric that overprints the main lithological units. In
most cases, a strong foliation, amplified in discrete fault zones, strikes sub parallel to the regional
lithological trend. In most cases, minor folds have been noted to be contemporaneous with
foliation, and the transposition of bedding into parallelism with foliation is an attribute of all the
districts (Alldrick, 1983; Andrews et al., 1986; O’Brien 1987; Muir and Elliot, 1987).


8.1 Alteration

All deposits in this category occur in regionally metamorphosed terranes in which minerals that are
normally attributable to hydrothermal alteration are also part of the mineral assemblage of
metamorphosed, but unaltered, rocks. Potassic alteration, in form of abundant microcline, in part
barium-rich, occurs in quartz-microcline rocks that host and envelop the ore at Hemlo (Kuhns et al.,
1986; Haris, 1989). It is also an important constituent of other smaller, disseminated deposits in
volcanic rocks, such as Beattie, Lac Shortt, and Bachelor Lake in the Abitibi belt of Quebec.

Definitive Characteristics

As a group, these deposits possess the following definitive characteristics:
• They are sulphidic gold deposits in which ore distribution is not dictated by vein quartz;
• They are commonly stratabound at the district and deposit scale and are commonly hosted by
clastic rocks of volcanic and/or sedimentary origin;
• With few exceptions, granitoid rocks, both as dikes and stocks, are present in the ore environment;
• with few exceptions, they have low contents of base metals (less than one per cent combined
metal) and gold contents exceeding those of silver; arsenopyrite is a common constituent;
• Ore bodies in volcanic environments are closely associated with zones of potassic alteration or
zones of sillicification enclosed by aluminous alteration; sericitic alteration is ubiquitous.




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9- Exploration

Source: Osisko technical team


9.1 Geological mapping survey

Between May 26th and August 25th of 2010 a geological mapping survey was conducted on the
Beattie and Donchester Properties, Figure 7. The survey was conducted by Carl Corriveau, P. Geo
for Osisko. Mr. Corriveau was helped by two (2) students from the Université du Québec à
Montréal (UQÀM). Mr. Corriveau was supervised by Mr. Louis Caron, Exploration Manager for
Osisko in Malartic, Québec.

The survey was conducted by doing geological traverses running north-south and with a 50 to 100
metres spacing between traverses. Special attention was brought to the structural geology (faults,
shears, and geological contacts). When important structural features were observed, the geologists
followed those features to determine the strike, length and width of those features.

Detailed mapping to various scales (1:50; 1:100; 1:200) was also conducted in the areas of interest
(shears, faults, and mineralisation). Outcrop stripping was also done in the central portion of the
Beattie Property in order to get a better understanding of the structural geology and its relationship
with the mineralisation. A total of 258 samples were taken on the Beattie and Donchester
Properties.


9.2 Results

Four (4) mineralized zones were thus outlined during the 2010 mapping programme, Figure 5. The
zones strike more or less east-west and dip steeply towards the north (South Zone). Fifty nine (59)
of the 258 (23%) samples taken returned values higher than 1 g/t Au and seven (7) of those 59
samples returned values higher than 10 g/t Au.

The first mineralized zone (MZ 1) was followed over a strike length of approximately 280 metres at
surface and is 3 to 15 metres wide. Mineralisation occurs within a carbonatized (ankerite) and
silicified porphyritic syenite. There are approximately 3% of quartz-carbonate veins. Mineralisation is
highlighted by the presence of 1 to 10% disseminated or blebs of disseminated extremely fine
grained pyrite (< 1mm).

The second mineralized zone (MZ 2) occurs in the centre of a syenite intrusive within a N090°
vertically dipping deformation/shear zone that is thought to be a splay of the Porcupine-Destor
Fault Zone. The zone is 10 metres wide in its largest area. A zoning of the alteration was observed
where the peripheral syenite is strongly magnetic and hematized and as we go nearer the centre of
the mineralized zone the alteration changes to sericite with depletion of the magnetite and at the
centre of the mineralized zone, the dominant alteration is comprised of silica flooding and/or
veining. There is up to 10% of, extremely fine grained, disseminated or blebs of pyrite.


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Figure 5: Property geology – 2010 Geological mapping survey within Google Earth.




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9.3 Helicopter-borne TDEM and magnetic survey

During December 2010 and January 2011, Geophysics GPR International Inc. flew a helicopter-
borne magnetic and time-domain electromagnetic geophysical survey over the Beattie, Donchester
and Central Duparquet claim blocks, all located within Duparquet Township, NTS 32D/11, Figures
6, 7, and 8.

The time-domain electromagnetic survey was flown using a TDEM Emosquito II ™, a high
resolution time-domain electromagnetic system with a large penetration. For this survey, a
magnetometer (Geometrics G-823A) with a sampling interval of 0.1 second was installed near the
TDEM receiver, half way between the helicopter and the TDEM system (28 metres below the
helicopter), and a radar altimeter, and a DGPS system were mounted onto the helicopter.


9.4 Interpretation of results from survey

The magnetic response observed over this area shows a good correlation with the superficial geology
of the property as compiled by Carl Corriveau. Comparisons between the actual survey and existing
public geophysics maps published by the MRNF reveal comparable features validating therefore the
survey performed by GPR, Figures 7 and 8.

The main feature of interest: the syenite sill is reflected by a strong magnetic response oriented E-W.
To the west the magnetic high seems to suggest a slight curve (hook-shape) suggesting that the
intrusion could have intruded a folded sequence or was affected by the deformation. Sharp contacts
on both sides of the magnetic high are interpreted to be faults sub-parallel to the Porcupine-Destor
Fault (PDF) and restraining the syenite intrusion. Other minor faults oriented NE are also
interpreted but are not considered as having any relationship with the gold mineralisation of this
sector.

Another long magnetic positive response running E-W at about 200 m north of the interpreted sill is
observed and represents the contact between thick sequence of basalt flows and more intermediate
volcanic units to the south. These intermediate units are represented by a lower magnetic signature
and are the only features presenting some conductivity on the EM survey. The conductivity is
explained by graphitic and pyritic dacitic tuff horizons as described in a logging report for three
holes drilled west of the syenite sill (GM-22285, 1966). Because this conductivity seems to be limited
to the surroundings of the syenite, and in an area that could represent a faulted fold hinge it is
recommended to evaluate the gold potential of this conductive area. It is suggested to send some
samples for gold assays if condemnation drill holes were performed in the past.




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Figure 6: Airborne magnetic survey. First vertical derivate

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Figure 7: Overlay Airborne magnetic survey and geology maps


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Figure      8:      Overlay      Airborne       magnetic        /      electromagnetic     survey   and   geology   maps


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10- Drilling

Source: Osisko technical team

Osisko began exploration drilling on the Duparquet properties in February of 2010, using three (3)
SDD-VD-3000 drill rigs and three (3) SDD-VD-5000 supplied by Bradley Brothers Limited of
Rouyn-Noranda - Québec; in April of 2010 Orbit-Garant Drilling of Val d’Or – Québec, mobilized
two (2) FMD1000 rigs. The Orbit-Garant drills were working on a 12 hour/day (dayshift only),
Monday to Friday schedule, because the planned drill holes were located near residential areas of the
Municipality of Duparquet (Town drilling Protocol established by Osisko). One drill was
demobilized on July 9th. Further infill drilling was planned in August on the Beattie Property, so a
second drill was mobilized by Orbit-Garant (YS2000). The Bradley rigs operated on two 12 hour
shifts, seven days a week. All the drill rigs were using a wire line retrieval system and were recovering
NQ-diameter core (47.6 mm). The drills rigs were mounted on a fixed base with steel skids,
surrounded by a fix drill shack and mobilised on the property using a tractor or bulldozer. The drill
rigs were capable of drilling to vertical depths of 800 to 1000 metres with NQ-diameter rods. Osisko
drilled, between February 16th and September 20th 2010, 314 drill holes, totalling 102,529 metres of
NQ size core.
Drill access on the property was achieved through a network of dirt roads. In lightly forested areas
the trees and brushes were cut prior to drill mobilization. Larger logs were cut and stacked at the
path-sides. Water for the drilling operation was supplied by submersible pumps lowered into the
Glory Hole on the Beattie Property and in the Central Duparquet shaft on the Donchester and
Central Duparquet properties.

The drill holes collars were located using DGPS instrument (Sokkia Radian IS real-time-kinetic
differential GPS system) with accuracy within 0.15 metre. Planned holes locations were marked by
pickets, and completed holes are resurveyed using the DGPS equipment. Measurements are taken at
the centre of the top of the casing, as well as at ground level at the side of the casing. In the case of
inclined holes, the ground-level measurement is taken at the leading edge of the casing. In any case,
reported positions of the completed drill holes are considered to be accurate to within 15 cm in X, Y
and Z directions.

In most cases, the drill casings were left in-ground after the holes were completed (the only
exception being the holes drilled in the tailings, were a tailings protocol was implemented which
consisted in: placing a rubber plug at 6 metres past the overburden / bedrock interface, 1 metre of
fine grained sand; 5 metres of cement; the casing was then pulled while injecting bentonite to
surface). Down-hole orientation surveys were performed. Casings were plugged with a wooden stake
(4” x 4”) to keep debris out of the hole and large wooden posts were planted to mark the casing
location. An employee from Osisko would then staple an aluminum tag embossed with the
following information: DDH#, azimuth, dip and final depth. Down-hole orientation surveys were
done where a multi-shot survey was done at the end of the drilling (readings were taken every 3
metres) using a Reflex EZ shot instrument.

Core was retrieved from the drill string using conventional wire line techniques. Core was removed
from the core tube by Bradley and/or Orbit employee and carefully placed in standard NQ wooden
core boxes; a wooden bloc was put in the box at the end of each run (3 metres) and filled and closed
core boxes were sealed with fibre tape. Boxes were removed from the drill site twice daily (at the end
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of each shift) by Bradley and/or Orbit personnel and brought to the Beattie mine offices in
Duparquet. The core boxes were then placed on wooden skids in order to be shipped to the
Malartic core shack to be logged by Osisko personnel. The boxes would be tied to the skid using
metal strapping and then wrapped in transparent plastic. The holes number would then be painted
on the plastic wrap.

The box number and length was then measured, the core cleaned and broken pieces reassembled.

Core production varied somewhat according to the ground conditions, but averaged approximately
40 metres for a 12 hour drill shift (80 metres per 24 hours), Figure 11. Core recovery was 98 to
100%. Most holes were completed to their planned depths, except for some holes that were stopped
short because of fault zones and/or underground workings that could not be passed. The
percentage of recovery and RQD were established prior to logging the core.




Figure 9: Histogram of average daily drilling – Bradley Brothers.




Table 7: Total 2010 drilling done by Osisko/Clifton Star on the Duparquet Properties.




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Table 8: Summary of the 2010 drilling programme – Beattie Property




Table 9: Summary of the 2010 drilling programme – Donchester Property




Table 10: Detail of the 2010 drilling programme – Donchester Property




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Figure 10: Diamond drilling program - collar locations - Beattie property

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Figure      11:    2010      Diamond        drilling     program       -   collar    locations   -   Donchester   property
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10.1 Summary of best intersections – Beattie Property

Note: all lengths described in this section are core lengths.


Section 629 900 E

The best intersections on this section returned 3.67 g/t Au over 43.4 metres (BD10-228) ; 1.52 g/t
Au over 31.3 metres (BD10-322). Both of these zones are restricted to the syenitic intrusive which is
volumetrically very small on this section.

Section 630 000 E

The bests intersections on this section returned 1.89 g/t Au over 94.5 m (B09-83); 1.96 g/t Au over
66.0 m (B09-69); and 1.89 g/t Au over 94.5 m (B09-83). On this section, the volume of the syenitic
intrusive is much more important than on the previous section, thus confirming the easterly plunge
of the syenitic body. The syenite occupies the central portion of this section, between 5 374 225 N
and 5 374 525 N, and bottoms out 100 metres below surface. To the south, the syenite is in contact
with sediments and komatiitic flows, whereas to the north, it is in contact with mafic volcanics.

Section 630 100 E

The best intersections from the North Zone returned 3.37 g/t Au over 25.5 metres (BD10-210) and
2.96 g/t Au over 33.0 metres (BD10-321). These intersects are limited to the mafic volcanics. Other
mineralized zones, located within the syenite, near the contacts with the surrounding wall rocks but
also well within the central portion of the syenite, in intensely silicified zones, returned the best
values on this section: 4.39 g/t Au over 94.2 metres (BD10-117); 1.70 g/t Au over 73.5 metres
(BD10-286).

Section 630 200 E

The best intersections on this section returned 1.36 g/t Au over 193.5 metres (BD10-264) ; 1.60 g/t
Au over 104.5 metres (BD10-263) ; and 1.82 g/t Au over 92.5 metres (BD10-265). On this section,
the bottom of the syenite lays approximately 400 metres vertical depth from surface, thus again
confirming the easterly plunge of the intrusive body.

Section 630 300 E

The best intersections on this section returned 1.58 g/t Au over 49.0 metres (BD10-245) ; and 2.26
g/t Au over 40.0 metres (BD10-246). On the previous sections, a distinct mineralized zone could be
observed near surface (< 100 m), it seems to have disappeared on section 630 300 E.

Section 630 400 E

The best intersections on this section returned 0.86 g/t Au over 94.5 metres, including 1.17 g/t Au
over 43.5 metres (BD10-281); and 0.79 g/t Au over 66.0 metres, including 1.44 g/t Au over 14.0
metres (BD10-273). Here again the upper-central portion of the intrusive seems barren, while as we

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move further east, the mineralized zones shifts towards the southern contact of the syenite (South
Zone).

Section 630 500 E

As on sections 630 300 E, and 630 400 E, numerous holes, mostly located in the central portion of
the section, ended in syenite, never reaching the contact between the intrusive and the surrounding
wall rocks. The best intersections on this section returned for the North Zone: 3.18 g/t Au over
37.5 metres (BD10-115); and for the South Zone: 1.09 g/t Au over 57.0 metres (BD10-293), and
1.12 g/t Au over 49.0 metres (BD10-291).

Section 630 600 E

The best intersections on this section returned for the South Zone: 0.89 g/t Au over 55.5 metres,
including 3.09 g/t Au over 7.5 metres (BD10-251); and for the North Zone: 1.51 g/t Au over 38.0
metres, including 3.54 g/t Au over 7.5 metres (BD10-167).

Section 630 700 E

All the mineralized zones on this section are located within the syenite but very near the contacts
between the syenite and the mafic volcanics to the north and the sediments to the south. The best
intersections on this section returned 1.29 g/t Au over 43.5 metres (BD10-259-South Zone); and
1.07 g/t Au over 33.0 metres (BD10-173). The intersection in BD10-173 is located in the central
portion of the section and is therefore not associated with either the North or South Zones.

Section 630 800 E

Numerous mineralized zones on this section are located near surface (< 150 m vertical depth),
mostly in the central part of the section, between latitudes 5 374 300 N and 5 374 400 N. It seems
that the mineralized zones that were observed between sections 630 400 E and 630 700 E, which
were located near the southern contact of the syenitic intrusive have now shifted towards the north,
possibly due to the northwest-southeast trending secondary fault observed by Carl Corriveau during
the geological mapping survey. The best intersections on this section returned 1.09 g/t Au over 78.0
metres, (BD10-169) South Zone; 2.00 g/t Au over 51.0 metres (BD10-267) North Zone; 1.67 g/t
Au over 48.5 metres (BD10-261) South Zone.

Section 630 900 E

Between latitudes 5 374 300 N and 5 374 450 N and less than 150 vertical metres below surface,
numerous mineralized zones were intersected. This is a repeat of what was first encountered on
section 630 800 E. The best intersections on this section returned 1.12 g/t Au over 39.0 metres,
(BD10-134); 1.13 g/t Au over 31.5 metres (BD10-123).

Section 631 000 E

The best intersections on this section returned 1.98 g/t Au over 12.0 metres, (BD10-222) from the
Upper Central Zone; and 1.75 g/t Au over 12.0 metres (BD10-203) from the North Zone. These
zones are located very near surface, less than 50 metres of vertical depth.
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Section 631 100 E

The best intersections on this section returned 1.75 g/t Au over 44.5 metres, (BD10-216); 5.01 g/t
Au over 20.5 metres (BD10-202); and 2.13 g/t Au over 27.0 metres (BD10-215). All of these
intersections are located on the North Zone within the syenite, except for BD10-202 which is
located well within the mafic volcanic unit.

Section 631 200 E

The best intersections on this section returned 1.48 g/t Au over 35.1 metres, (BD10-187); 2.69 g/t
Au over 19.5 metres (BD10-186); 1.53 g/t Au over 26.5 metres (BD10-185). In holes BD10-185 and
BD10-186 the mineralized zones are located near the northern contact between the syenite and the
mafic volcanics (North Zone) whereas in BD10-187 the zone is located near the southern contact
between the sediments and syenite intrusive (South Zone).

Section 631 300 E

The best intersections on this section returned 3.12 g/t Au over 32.1 metres, (BD10-313); 2.68 g/t
Au over 31.5 metres (BD10-312); and 1.27 g/t Au over 36.5 metres (BD10-132). The mineralized
zones in holes BD10-312 and BD10-313 are located near or at the contact between the sediments
and basalts, whereas the zone intersected in BD10-132 is located well within the syenitic intrusive.



10.2 Summary of best intersections – Donchester Property

Note: all lengths described in this section are core lengths. No drilling was performed on sections
631 400 E and 631 500 E during the 2010 drill programme.

Section 631 600 E

The best intersections on this section returned 1.09 g/t Au over 52.5 metres, (DON10-83); 1.50 g/t
Au over 24.0 metres (DON10-132); and 3.59 g/t Au over 9.1 metres (DON10-133). The
mineralized zones, intersected in holes DON10-132 and DON10-133 are located within the mafic
volcanics, but possibly near the contact with the syenitic intrusive (South Zone). The mineralized
zone in DON10-83 is located within the syenite but possibly near the contact with the mafic
volcanic to the north (North Zone).

Section 631 700 E

The best intersections on this section returned 1.49 g/t Au over 28.7 metres, (DON10-99); and 9.57
g/t Au over 7.5 metres (DON10-116). The mineralized zone intersected in DON10-116 is located
within the mafic volcanics, but very near the contact with the syenitic intrusive (South Zone),
whereas the mineralized zone in DON10-99 is located at the contacts between mafic volcanics and a
small, possibly a xenolith of syenite (North Zone), this intercept is located very near surface, less
than 50 metres in vertical depth.

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Section 631 800 E (Donchester shaft section)

The best intersections on this section returned 0.73 g/t Au over 88.6 metres, (DON10-69); 7.40 g/t
Au over 10.5 metres, (DON10-69); and 1.00 g/t Au over 44.6 metres (DON10-54). DON10-69 was
drilled south and planned to intersect the North Zone in order to have an idea of the true width of
the North Zone. It was suspected that some of the holes drilled by Clifton Star in 2008-2009 which
returned incredible intersections (2.57 g/t Au over 108.4 metres – D08-01; and 1.24 g/t Au over
130.0 metres – D08-19) where drilled down dip on the North Zone.

Section 631 900 E

The best intersections on this section returned 1.06 g/t Au over 108.0 metres, (DON10-136); 1.29
g/t Au over 33.2 metres, (DON10-137); and 18.85 g/t Au over 1.5 metre (DON10-110). The
mineralized zones intersected in holes DON10-136 and DON10-137 are located well within the
syenitic intrusive, associated with a strongly silicified area (North Zone).

Section 632 000 E

The best intersections on this section returned 1.96 g/t Au over 68.2 metres, (DON10-74); 2.02 g/t
Au over 37.3 metres, (DON10-85); and 83.62 g/t Au over 6.6 metre (DON10-107). The mineralized
zone intersected in DON10-85 is located in a xenolith of mafic volcanics within the syenite intrusive
(North Zone), whereas the mineralized zone in DON10-74 is located within the mafic volcanics at
the contact with the syenite intrusive (North Zone).

Section 632 100 E

No drilling was performed on this section in 2010. No re-sampling of Clifton’s core was performed
on this section.

Section 632 200 E

The best intersections on this section returned 1.60 g/t Au over 34.5 metres, (DON10-77); 1.75 g/t
Au over 31.1 metres, (DON10-87); and 2.30 g/t Au over 11.5 metre (DON10-87). The mineralized
zones intersected in DON10-87 are located either in the syenite or in the mafic volcanics, but in
close proximity of the contact between these two units. The mineralized zone in DON10-77
overlaps the contact between the syenite and the mafic volcanics. All of these intercepts are
associated with the North Zone. No re-sampling of Clifton’s core was performed on this section.

Section 632 300 E

No drilling was performed on this section in 2010. No re-sampling of Clifton’s core was performed
on this section.

Section 632 400 E

The best intersection on this section returned 2.32 g/t Au over 8.3 metres, (DON10-113). The
mineralized zone intersected in DON10-113 is located at the very start of the hole (12.0 to 20.3
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metres). It is neither associated to the North or the South zones. No re-sampling of Clifton’s core
was performed on this section.

Section 632 500 E

No drilling was performed on this section in 2010. No re-sampling of Clifton’s core was performed
on this section.

Section 632 600 E

No drilling was performed on this section in 2010. No re-sampling of Clifton’s core was performed
on this section.

Section 632 700 E (Central Duparquet)

The best intersection on this section returned 3.18 g/t Au over 6.5 metres, (DON10-71). The
mineralized zone intersected in DON10-71 is located near the very end of the hole (400.5 to 407.0
metres). It doesn’t seem to correlate with any of the known mineralized ore shoots located on the
Donchester property. No re-sampling of Clifton’s core was performed on this section.

Section 632 800 E (Central Duparquet)

No drilling was performed on this section in 2010. No re-sampling of Clifton’s core was performed
on this section.

Section 632 900 E (Central Duparquet)

The best intersection on this section returned 2.55 g/t Au over 7.5 metres, (DON10-129). The
mineralized zone intersected in DON10-129 (185.0 – 192.5) is located some 35 metres before the
contact between the syenite and what was logged as being a gabbro. No re-sampling of Clifton’s
core was performed on this section.

Section 633 000 E (Central Duparquet)

The best intersections on this section returned 3.13 g/t Au over 18.0 metres, (DON10-143); and
9.98 g/t Au over 7.3 metres, (DON10-141). The mineralized zone intersected in DON10-143 is
located well within the syenite intrusive and is associated with the Central Duparquet mineralized
zone. The mineralized zone intersected in DON10-141 is located at the contact between sediments
and a small xenolith of syenite. It doesn’t seem to correlate with the Central Duparquet ore zone.
No re-sampling of Clifton’s core was performed on this section.

Section 633 100 E (Central Duparquet)

The best intersection on this section returned 0.92 g/t Au over 45.0 metres (DON10-145). The
mineralized zone intersected in DON10-145 is located well within the syenite intrusive and is
possibly associated with the Central Duparquet mineralized zone. No re-sampling of Clifton’s core
was performed on this section.

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11- Sample Preparation, Analyses and Security


11.1 Sample Preparation and Analysis

Since the beginning of the exploration of the Beattie property by Osisko in 2010, the drill core
samples were sent for analysis at ALS Minerals in (Formerly ALS Chemex) Val-D’Or, Quebec. As
part of Osisko quality assurance and quality control (“QA/QC”) protocol.

All samples preparations, primary and duplicate assay work for the Duparquet properties including
the Beattie property was performed by ALS Minerals Laboratories located in Val d’Or, Québec and
Timmins, Ontario. The entire assay result used for the resource estimation was assayed at the ALS
minerals facility in Val-D’Or, Quebec.

All ALS Minerals laboratories are certified ISO 9001:2000 for the “supply of assays and geochemical
analysis services” by BSI Quality Registrars. Certification for ISO 9001:2000 requires evidence of a
quality management system covering all aspects of the organization. ALS Minerals also takes part in
the “Proficiency Testing Program - Minerals Analysis Laboratories” and holds a certificate
demonstrating its success in the program for analysis of gold, silver, copper, zinc, lead, nickel and
cobalt.

All samples received by ALS Minerals are processed through a sample tracking system that is an
integral part of that company’s Laboratory Information Management System (LIMS). This system
utilizes bar coding and scanning technology that provides complete chain-of-custody records for
every stage in the sample preparation and analytical process and limits the potential for sample
switches and transcription errors.

Samples are dried, and then crushed to 70% passing -10 meshes (1.7 mm). A 250 g subsample is
split off the crushed material, and pulverized to 85% passing -200 meshes (75 micron). A 50 gram
split of the pulp is used for assay. Crushing and pulverizing equipment is cleaned with barren wash
material between sample preparation batches and, where necessary, between highly mineralized
samples. Sample preparation stations are also equipped with dust extraction systems to reduce the
risk of sample contamination.

As part of the internal standard quality control procedures used by the laboratory, each batch of 84
fire-assays crucibles includes one blank, two internal (laboratory-generated) standards and three
duplicate samples along with 78 client samples. In the event that any reference material or duplicate
result falls outside the established control limits, an error report is automatically generated. This
ensures that the person evaluating the sample set for data release is made aware that a problem may
exist with the dataset and an investigation can be initiated.

Pulps and coarse rejects from the samples were returned to the Beattie mine offices on a regular
basis. These materials are securely stored in a locked facility for future references.

The analytical protocol used at ALS Minerals for gold is the trace level 50 g fire assay fusion and
atomic absorption finish (code AuAA24) with a detection limit range of 0.005-10 g/t. For samples

SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                Page 48
returning initial assay value greater than 10 g/t, a re-analysis using ore grade 50 g fire assay fusion
with gravimetric finish (code Au-GRA22) is completed.


11.2-Quality Assurance and Quality Control Procedure

In addition to the standard laboratory QA/QC program, Osisko implemented its own internal
QA/QC protocol consisting of the insertion of analytical standards, blanks and core duplicates to
the Osisko 2010 diamond drilling program and Clifton re-assay program. SGS Geostat did not
conduct a visit of the analytical laboratory facilities during the Project site visit.

The quality control program consists of the insertion of: One (1) coarse blank material every 40
samples, one (1) certified reference material every 20 samples and one (1) routine duplicate assay of
preparation rejects every 40 samples.


11.2.1 Analytical Standards

Eighteen certified commercial reference materials with different representative gold grades have
been used as analytical standards since the beginning of the exploration conducted by the Company
on the Project. Osisko considered only the validated Clifton 2008-2009 batch of certificate of
analysis to be included in the database. Analytical standards are inserted in the sample series at a rate
of one reference material for every 20 regular samples (5%).

Osisko has defined a tolerance of ±3 standard deviations from the expected grades of the different
reference materials. Every analytical values falling outside the ±3 standard deviations tolerance range
are verified at each sampling steps, from the core logging facilities to the laboratory, in order to
locate and explain the potential source of any difference. If no mislabelling is found and no other
reasonable explanations are found (mislabelling, sample switched values, etc.) Then, the entire batch
with anomalous value is sent back for analysis. The range is usually from the previous QAQC
sample to the next QAQC sample. Although, when the analytical value of the reference material falls
outside the determinate ±2 standard deviations tolerance range verification is also performed at a
lesser extent.

The seven certified reference materials OREAS 15Pa, 50Pb, 52Pb, 53Pb, 54Pa, 61d, and 6Pc are
commercial standards from Ore Research & Exploration Pty Ltd, Australia, distributed by Canadian
vendors. The 6 certified reference materials SE44, SJ39, SH41, SF45, SN38 and SG31 are
commercial standards from Rocklabs (New Zeeland) and distributed by Canadian vendors. The 8
certified reference materials CDN-GS-P8, -1D, 2F, and 3F and are commercial standards from
CDN Resources Laboratories Ltd. of British Columbia, Canada. Set values and expected standard
deviation (“Std. Dev.”) values are provided with the certified reference materials in the form of a
certificate of analysis.

The next figures are presenting graphs showing the variation of the reported analytical results for
each certified standard with time. The QA/QC data is taken from the Project database dated of May
9th, 2011. In each graph, the QC warning (dashed black) and QC failure (solid black) intervals are


SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                                                Page 49
shown along with the expected mean value (red). The values of the QC warning and the QC failure
has been define 2 times and 3 times the expected Std. Dev. respectively.

The next table shows the results of the statistical analysis for each reference material. During the
2008-2009 drilling (Clifton) and re-sampling (Osisko) the OREAS 15Pa, 50Pb, 52Pb, 53Pb, 54Pa,
61d, and 6Pc were mostly used standards at the ALS Minerals. During the 2010 Osisko diamond
drilling program, the standard material SE44, SJ39, SH35, SH41, SF45, SN38, SK43, SG31 and
SG40 were the mostly used from April to October 2010. Starting June 2010, the company decided
to change to CDN-GS-P8, -1D, 2F and 3F.

Table 11: Summary of the statistical analysis for the different reference materials
                     Period (dd/mm/yyyy)       Expected Au (g/t)              Observed Au (g/t)             QC in between ±2σ   QC in between ±3σ
 Standard    Count                                                                                                                                  Mislabeled
                      From          To         Mean      Std. Dev.   Mean Std. Dev.       Min       Max     Count        %      Count        %
                                                                         2008-2009 sampling
  O15Pa       66     13/06/2009   23/05/2010    1.02        0.03     1.01       0.04        0.85    1.11       61      92.4%       65      98.5%        -
  O50Pb       75     22/07/2009   07/12/2010   0.841       0.032     0.85       0.03        0.63    0.93       73      97.3%       74       98.7%       1
  O52Pb       633    24/09/2009   09/11/2010   0.307       0.017     0.31       0.01        0.23    0.42      622      98.3%      630       99.5%       7
  O53Pb       704    07/07/2009   09/11/2010   0.623       0.021     0.62       0.03        0.48    0.79      628      89.2%      667       94.7%       6
  O54Pa       634    09/07/2009   26/10/2010     2.9       0.11      2.89       0.12        2.10    3.17      600      94.6%      622      98.1%        7
  O61d         78    22/07/2009   07/12/2010    4.76        0.14     4.81       0.19        3.97    5.33       69      88.5%       75       96.2%       -
  O6Pc        101    11/06/2009   09/11/2010    1.52        0.07     1.57       0.05         1.4    1.67       99      98.0%      101      100.0%       5
                                                                            2010 sampling
   SE44        98    19/04/2010   22/09/2010   0.606       0.017     0.59       0.04        0.342   0.646      81      82.7%       89      90.8%        -
   SJ39       81     19/04/2010   22/09/2010   2.641       0.083     2.59       0.08         2.16    2.72      79      97.5%       79      97.5%        -
   SH41        76    29/04/2010   23/07/2010   1.344       0.041     1.33       0.07        0.945   1.435      69      90.8%       73      96.1%        1
   SF45        96    19/04/2010   22/09/2010   0.848       0.028     0.84       0.05        0.595   0.982      88      91.7%       90      93.8%        -
   SN38        60    23/04/2010   18/08/2010   8.573       0.158     8.35       0.32         6.38     8.7      47      78.3%       52      86.7%        -
   SK43        70    23/04/2010   18/08/2010   4.086       0.093     4.01       0.18         2.85    4.41      61      87.1%       65      92.9%        1
   SG31        82    20/04/2010   18/08/2010   0.996       0.028     0.97       0.06        0.658    1.05      72      87.8%       77      93.9%        1
 CDN-GS-P8    476    21/06/2010   25/10/2010    0.78        0.03     0.77       0.05        0.565   0.979     382      80.3%      440      92.4%        2
 CDN-GS-1D    448    30/06/2010   25/10/2010    1.05        0.05     1.05       0.11        0.001   1.385     381      85.0%      424      94.6%        -
 CDN-GS-2F    435    30/06/2010   25/10/2010    2.16        0.12     2.16       0.14         1.35    2.99     405      93.1%      425      97.7%        -
 CDN-GS-3F    416    14/06/2010   25/10/2010     3.1       0.12      3.09       0.16        2.34    3.48      367      88.2%      404      97.1%        4




The QA/QC analysis outlined generally acceptable results for the analytical standards with
significant improvement noticeable in 2010 when the company initiated its drilling program. The
results of the certified reference materials show relatively good consistency compared to the
expected values and QC ranges. Due to difficulties of differentiating the standards used by Clifton
(in their 2008-2009 drilling program) and the one used by Osisko for the re-analysis of Clifton 2008-
2009 drilling, SGS Geostat recommends to review the database organisation and to clarify the
relationship between the re-assay QAQC and the normal, ongoing drilling QAQC .

Certified reference material CDN-GS-P8, 1D, 2F and 3F were the most used standards since the
beginning of 2010 diamond drilling campaign and are still being used by the client in other to the
diamond drilling campaigns in other properties. Their set Au grades ranging between 0.78 g/t to 3.1
g/t Au which are more in line with the Project mineralised samples. Reported values for CDN-GS-
P8 standard show a good correspondence with the expected value with an acceptable data scatter
(92.4% of values within the QC failure range) although the pattern of observed values between July
2010 and September 2010 show a relatively lower mean Au grade with more data scattering.
Observed values for standard 54Pa returned a good correspondence with the expected value but are
showing relatively more data scattering compare the others standards with numerous low value
outliers (overall 98.1% of values fall with the QC failure range). Oreas 61d standard show a good
correspondence with the expected value with an acceptable data scatter (96.2% of values are within
the QC failure range) although the pattern of observed values between October 2009 and January
2010 show a relatively higher mean Au grade with more data scattering. From May 2010 to August
2010, observed values tend to show that the grades are similar to the expected value. Oreas 6Pc
standard show a very good correspondence with the expected value with an acceptable data scatter
(100% of values within the QC failure range) although the pattern of observed values between July

SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                Page 50
2009 and January 2010 show a relatively higher mean Au grade with more data scattering. From
April 2010 to May 2010, observed values tend to show that the grades are lower than expected value.


                        Oreas 15Pa Standard Results for the Beattie property sampling
             1.2




                                                                                     +3 σ

                                                                                     +2 σ



                                                             Expected value = 1.02
 Au g/t




              1
                                                                                     -2 σ

                                                                                     -3 σ




                                                                                              N = 66
             0.8




Figure 12: Variation of reporter values with time for analytical standard Oreas 15Pa

                   Oreas 50Pb Standard results for the Beattie property sampling
   1.2




         1

                                                                                       +3 σ
                                                                                      +2 σ
Au g/t




                                                             Expected value =
                                                             0.841

   0.8                                                                                -2 σ
                                                                                       -3 σ




                                                                                               N = 75
   0.6




Figure 13: Variation of reporter values with time for analytical standard Oreas 50Pb




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                  Page 51

                 Oreas 52Pb Standard results for the Beattie property sampling
   0.45




         0.4


                                                                          +3 σ
   0.35                                                                         +2 σ
                                                                          Expected
                                                                          value = 0.307
         0.3
                                                                               -2 σ
Au g/t




                                                                         -3 σ
   0.25




         0.2




   0.15


                                                                                N = 633
         0.1




Figure 14: Variation of reporter values with time for analytical standard Oreas 52Pb


                Oreas 53Pb Standard results for the Beattie property sampling
         0.85



          0.8



         0.75



          0.7                                                           +3 σ
                                                                       +2 σ
         0.65                                                            Expected
                                                                         value = 0.623
Au g/t




          0.6
                                                                         -2 σ
                                                                       -3 σ
         0.55



          0.5



         0.45

                                                                                N = 704
          0.4




Figure 15: Variation of reporter values with time for analytical standard Oreas 53Pb




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                          Page 52

                   Oreas 54Pa Standard results for the Beattie property sampling
         3.4


                                                                            +3 σ
         3.2
                                                                            +2 σ


          3                                                               Expected
                                                                          value = 2.9


         2.8
                                                                            -2 σ
Au g/t




                                                                            -3 σ
         2.6




         2.4




         2.2


                                                                                   N = 634
          2




Figure 16: Variation of reporter values with time for analytical standard Oreas 54Pa

                     Oreas 61d Standard results for the Beattie property sampling

           5.4



           5.2
                                                                                        +3 σ

                                                                                    +2 σ
               5



           4.8
 Au g/t




                                                                    Expected value = 4.76

           4.6

                                                                                    -2 σ

           4.4
                                                                                        -3 σ


           4.2


                                                                                         N = 78
               4




Figure 17: Variation of reporter values with time for analytical standard Oreas 61d




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                              Page 53

                  Oreas 6Pc Standard results for the Beattie property
         1.80
                                      sampling
                                                                          +3 σ

         1.70
                                                                          +2 σ


         1.60


                                                  Expected value = 1.52
Au g/t




         1.50




                                                                           -2 σ
         1.40



                                                                          -3 σ
         1.30



                                                                                  N = 101
         1.20




Figure 18: Variation of reporter values with time for analytical standard Oreas 6Pc



                Rocklabs SE44 Standard results for the Beattie property sampling
         0.7


                                                                                              +3 σ
                                                                                              +2 σ

                                                                   Expected value = 0.606
         0.6
                                                                                              -2 σ
                                                                                               -3 σ


         0.5




         0.4




                                                                                            N = 98
         0.3




Figure 19: Variation of reporter values with time for analytical standard Rocklabs SE44




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                               Page 54

          3
               Rocklabs SJ39 Standard results for the Beattie property sampling

         2.9                                                                +3 σ

                                                                             +2 σ
         2.8


         2.7
                                                             Expected value = 2.641
         2.6
Au g/t




         2.5                                                                  -2 σ

         2.4                                                                   -3 σ


         2.3


         2.2


         2.1


          2                                                                           N = 81




Figure 20: Variation of reporter values with time for analytical standard Rocklabs SJ39




               Rocklabs SH41 Standard results for the Beattie property sampling
         1.6


         1.5
                                                                                         +3 σ
                                                                                         +2 σ
         1.4                                                                          Expected value
                                                                                      = 1.344
         1.3
                                                                                        -2 σ
Au g/t




                                                                                        -3 σ
         1.2


         1.1


           1


         0.9


                                                                                           N = 76
         0.8




Figure 21: Variation of reporter values with time for analytical standard Rocklabs SH41




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                               Page 55

              1
                  Rocklabs SF45 Standard results for the Beattie property sampling


         0.95
                                                                               +3 σ

                                                                              +2 σ
          0.9



                                                               Expected value = 0.848
Au g/t




         0.85



          0.8                                                                        -2 σ

                                                                                -3 σ
         0.75


                                                                                      N = 96
          0.7




Figure 22: Variation of reporter values with time for analytical standard Rocklabs SF45


                  Rocklabs SN38 Standard results for the Beattie property sampling
     10



    9.5


                                                                                       +3 σ
          9
                                                                                       +2 σ

                                                                 Expected value = 8.573
    8.5
                                                                                        -2σ
                                                                                        -3 σ
Au g/t




          8



    7.5



          7



    6.5

                                                                                              N = 60
          6




Figure 23: Variation of reporter values with time for analytical standard Rocklabs SN38




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                             Page 56

                Rocklabs SK43 Standard results for the Beattie property sampling
          4.5
                                                                                     +3 σ
          4.3                                                                        +2 σ

          4.1                                               Expected value = 4.086

          3.9                                                                        -2σ
                                                                                     -3 σ
          3.7
Au g/t




          3.5

          3.3

          3.1

          2.9

          2.7
                                                                                      N = 70
          2.5




Figure 24: Variation of reporter values with time for analytical standard Rocklabs SK43


                Rocklabs SG31 Standard results for the Beattie property sampling
         1.20



         1.10
                                                                                     +3 σ
                                                                                     +2 σ

         1.00                                                     Expected value = 0.996

                                                                                     -2 σ
                                                                                     -3 σ
Au g/t




         0.90



         0.80



         0.70


                                                                                            N = 82
         0.60




Figure 25: Variation of reporter values with time for analytical standard Rocklabs SG31




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                         Page 57

         1
             CDN-GS-P8 Standard results for the Beattie property sampling
  0.95

    0.9
                                                                         +3 σ
  0.85
                                                                         +2 σ

    0.8
                                                              Expected value = 0.78
Au g/t




  0.75
                                                                           -2 σ
    0.7                                                                     -3 σ

  0.65

    0.6

  0.55

    0.5                                                                      N = 476




Figure 26: Variation of reporter values with time for analytical standard Rocklabs CDN-GS-
P8


                CDN-GS-1D Standard results for the Beattie property sampling
   1.5

   1.4

   1.3

   1.2                                                                                +3 σ
                                                                                      +2 σ
   1.1
                                                                      Expected value = 1.05
Au g/t




         1
                                                                                      -2 σ
   0.9                                                                                -3 σ

   0.8

   0.7

   0.6

   0.5
                                                                                       N = 454




Figure 27: Variation of reporter values with time for analytical standard Rocklabs CDN-GS-
1D




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                    Page 58

             CDN-GS-2F Standard results for the Beattie property sampling
     3

 2.8

 2.6
                                                                          +3 σ
 2.4                                                                       +2 σ

 2.2                                                          Expected value = 2.16
Au g/t




     2
                                                                         -2 σ
 1.8                                                                     -3 σ

 1.6

 1.4

 1.2

     1                                                                     N = 435




Figure 28: Variation of reporter values with time for analytical standard Rocklabs CDN-GS-
2F


                     CDN-GS-3F Standard results for the Beattie property sampling
         4

  3.8

  3.6
                                                                                         +3 σ
  3.4
                                                                                         +2 σ
  3.2
                                                                            Expected value = 3.1
Au g/t




         3
                                                                                          -2 σ
  2.8
                                                                                            -3 σ
  2.6

  2.4

  2.2

         2                                                                                 N = 416




Figure 29: Variation of reporter values with time for analytical standard Rocklabs CDN-GS-
3F




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star               Page 59
11.2.2 Analytical Blanks

Osisko uses blank reference material of coarse blank ¾” in size made of white decorative pebbles
for gardening material from Les Pierres Calcaires Daubois and purchased from Marcel Baril Ltée of
Rouyn-Noranda. The blanks are inserted in the sample series at an average rate of 1 every 40 regular
sample. Osisko sent a total of 20 individual blank samples in the same batch to ALS Minerals for
gold analysis and 19 of the 20 samples results came back below the 0.005 ppm detection limit. The
author and SGS consider the blank verification steps done by the client and the subsequent results
as adequate and satisfactory. The gold content of the blanks are below the detection limit.

A total of 2,212 blanks were analysed as part of the sample stream since early 2010 until the last
reported date of December 25, 2010. From the 2,212 blanks, 99% of them returned less than 0.025
g/t Au which is 5 times the detection limit (5XDL) of the most recent analytical method and 99.9%
of the blanks reported values less than 0.1 g/t Au. The 3 blanks with analytical value greater than 0.1
g/t were from 0.10 to 0.15 g/t Au. All samples results above the 5XDL threshold were verified and
re-assayed if necessary. In some cases, the batch corresponding to an anomalous blank result was
not re-sent for analysis because of surrounding, less than detection limit, core results. The next
figure shows the analytical results for blanks over time. This includes the blanks used during the
pulp re-assay of Clifton 2008-2009 NQ diamond drill results.




                                                  Blanks
               0.16
               0.15
               0.14
               0.13
               0.12
               0.11
                0.1
    Au (g/t)




               0.09
               0.08
               0.07                                                                  Blanks
               0.06
               0.05                                                                  Linear (5XDL)
               0.04
               0.03
               0.02
               0.01
                  0
                                                                            Oct-10
                                        Apr-10
                      Jan-10


                               Feb-10




                                                                   Sep-10
                                                 May-10


                                                          Jul-10




                                                 Date mm/yy
Figure 30: Analytical blanks




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                                                                          Page 60
11.2.3 Core Duplicates

SGS initiated an independent sampling program on the 2008, 2009 and 2010 drill holes of the
Beattie property during its site visit. The remaining half core of the selected 2010 drill holes was
taken and a quarter core of the selected 2008-2009 drill holes were taken to check assay comparison.
The list and the description are available in section 12.2 SGS Independent sampling and assay
Correlation


11.2.4 Preparation (Rejects) Duplicates

As part of the Company, QA/QC protocol preparation (or reject) duplicates representing
approximately 2.5% of the total samples are sent for re-analysis at the same analytical laboratory.
Since the involvement of the company in 2010, ALS Minerals served as the main laboratory. All
rejects are re-analysis using fire assay fusion and atomic absorption finish with lower detection limits
of 0.005 g/t Au with a gravimetric finish for all results above 10g/t Au.

A total of 4040 reject duplicates were reported in the Duparquet Malartic database. The next figure
shows a correlation plot for all of the reject duplicates. The correlation plot shows good
reproducibility with an R 2 of 0.973.

The Reject duplicates were taken every 20 samples regardless of the position in space of the samples.
This re-analysis was systematic and did not make any difference between barren and mineralised
samples. In order to verify more accurately this QAQC measure, only the assay results over 0.1g/t
were considered. For the 751 reject duplicates above 0.1 g/t Au, the sign test did not highlight any
bias with 49% of the total reject duplicates returning a value greater than the original samples. The
overall average grade of both reject and duplicate was calculated as 0.8 g/t Au.

                                                                                           Preparation (Rejects) Duplicate results >0.1 g/t
                                                                                  16

                                                                                  15
                                                                                                N: 751 (0.1 g/t Au)
                                                                                  14

                                                                                  13
                                                                                                      y = 1.020x - 0.018
                                                                                  12                      R² = 0.967

                                                                                  11
                                                  PreparationDuplicate Au (g/t)




                                                                                  10

                                                                                  9

                                                                                  8

                                                                                  7

                                                                                  6

                                                                                  5

                                                                                  4

                                                                                  3

                                                                                  2

                                                                                  1

                                                                                  0
                                                                                       0    1     2       3     4     5    6    7     8      9     10   11   12   13   14   15   16

                                                                                                                               Original Au (g/t)




Figure 31: Correlation Plot of Analytical Results for Reject Duplicates at ALS Minerals



SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                                                                            Page 61
As part of the same QAQC program initiated by Osisko, the company also sent reject duplicates for
analysis to a second laboratory; Actlabs in Ancaster, Ontario during 2010, for a total of 449
including the insertion of certified material according to Osisko’s QAQC protocol. The Reject
duplicates were taken every 20 samples regardless of the position in space of the samples. This re-
analysis was systematic and did not do any difference between barren and mineralised samples, only
the assays over 0.1g/t were considered. For the 42 reject duplicates above 0.1 g/t Au, the sign test
did not highlight any bias with 60% of the total reject duplicates returning a value greater than the
original samples. The overall average grade of original and duplicate rejects above 0.1 g/t Au was
respectively at 0.36 and 0.37 g/t Au with a relative difference of 3% in favour of Actlabs.



                                     ALS vs Actlabs Preparation                                                            ALS vs Actlabs Preparation
                                          duplicate results                                                               duplicate results (> 0.1 g Au/t)
       2.5
                                                                                                              2.5

                              N: 396
                                                                                                                         N:42
                     2
                              y = 1.031x + 0.007                                                               2
                                   R² = 0.944                                                                           y = 1.055x - 0.012
                                                                                                                            R² = 0.991
ActLab results (Au g/t)




                                                                                    ActLab results (Au g/t)


       1.5                                                                                                    1.5




                     1                                                                                         1




       0.5                                                                                                    0.5




                     0                                                                                         0
                          0             0.5         1             1.5     2   2.5                                   0            0.5           1            1.5      2        2.5

                                                   ALS results (Au g/t)                                                                      ALS results (Au g/t)

Figure 32: Correlation Plot of Analytical Results for Reject Duplicates ALS VS Actlabs

11.2.5 QA/QC Conclusion

Since the implication of the client on the Beattie property: Core re-assay work and 2010 diamond
drilling on the Beattie property, Osisko implemented an internal QA/QC protocol consisting in the
insertion of reference materials in the samples series (certified reference materials, duplicates and
blanks). Osisko also sent checked samples to a second laboratory for confirmation analysis.

SGS did not receive the full data of the Donchester and Central Duparquet properties and cannot
comment on the Donchester and Central Duparquet QAQC results. Only the Osisko’s Beattie
property diamond drilling and reject check sampling results data were verified.

Reported results for the certified analytical standards since the beginning of the Company
involvement on the Beattie Property show a relatively good correlation with expected mean values.
The variance of the observed values is relatively higher compared to the specifications of the
certified standards but is considered acceptable with QC failure rate ranging from 86.7% to 100%.
Reported results for the blanks are acceptable. Observed results for the rejects duplicates show good

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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star               Page 62
correlation with the original analytical values and no bias are observed. The variance of the observed
values for the duplicates at in line with others similar gold projects. It is the author’s and SGS
Geostat opinion that Osisko is operating according to industry standard QA/QC protocol for the
insertion of control samples into the stream of samples of the Beattie property. The data is
considered of sufficient quality to be used for mineral resource estimation.


11.3 Specific Gravity

During the 2010 diamond drilling campaign, the Company conducted specific gravity (“S.G.”)
measurements on mineralised drill core samples selected from 187 of the 2010 drill holes. The S.G.
measurements were completed by ALS Minerals using the water displacement methodology. A total
of 2142 S.G. measurements returned an average S.G. of 2.7 t/m3. The next table summarises the
statistics of the S.G. readings on the selected mineralised drill core samples.


Table 12: Statistics on specific gravity measurements
                                    Beattie Deposit -S.G. (g/m3)

                                     Count               2142
                                     Mean                2.76
                                     Std. Dev.           0.11
                                     Minimum             2.16
                                     Median              2.73
                                     Maximum             4.71


11.4 Conclusion

SGS completed a review of the sample preparation and analysis including the QA/QC analytical
protocol implemented by Osisko for the Beattie property. Mr. Maxime Dupéré P.Geo. and QP
visited the Company core logging facilities on May 3, 2011 to review the Company sample
preparation procedures. A statistical analysis of the QA/QC data of the property did not outline any
significant analytical issues. The author and SGS are of the opinion that the sample preparation,
analysis and QA/QC protocol used by Osisko for the Beattie property follow generally accepted
industry standards and that the data is of quality sufficient to be used for mineral resource estimation




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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star              Page 63


12- Data Verification


12.1 Drill Hole data verification

The data used in the resource estimation comes from Osisko’s Duparquet Malartic database. The
collar coordinates and azimuth data are in the NAD 83 Zone 17U. The client provided the drill hole
data in Geotic (.mdb). SGS incorporated the database into its GeoBase drill hole database
management system as well as the database used for the Gemcom geological modeling and resource
estimation software. The SGS GeoBase drill hole management system is an Access application
designed by SGS for its own purposes and is also available for commercial use. The database cut-off
date is of May 9th, 2011. Osisko’s Duparquet Malartic database contains only the relevant drill holes
information for the resources estimation of the Beattie property.

SGS did a selective data verification including collar coordinate, hole length, azimuth, dip, downhole
survey data, and analytical values. The total of laboratory certificates verified amount to
approximately 5% of the overall laboratory certificates available for the Property. Some relevant
errors related to downhole surveys and location were encountered and corrected. The following
table show the major operations done on the database:

Table 13: Major operations on Osisko Duparquet Malartic database
 DDH      Operation     Description
 B08-32   Taken Out     Wrong Property
 B09-66   Taken Out     Difference of 33.5° between collar and first downhole survey data
 B09-99   Taken Out     Collar location not valid
 B09-84   Modified      Downhole survey azimuth changed from North to South

Osisko re-sampled Clifton’s NQ size drill holes. The core drilled prior 2008 was drilled in BQ size
and was discarded from the database because, considered as not reliable by Osisko for a resource
estimation. The final database consists of the validated 2008-2009 NQ size Clifton diamond drill
holes re-assayed by Osisko and the 2010 NQ size Osisko diamond drill holes. The database cut-off
date is of May 9th, 2011. The database contains only the relevant drill holes information for the
resources estimation of the Beattie property.

The next table summarises the data contained in the final drill holes database used for the mineral
resource estimate. Mr Maxime Dupéré P. Geo., QP and SGS Geostat are of the opinion that the
final drill hole database is adequate to support a mineral resource estimate.




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Table 14: Summary of the final drill hole database
                                                   Number        Number
                             Number Metres         of            of        Number of assay
  Period         Type
                             of holes drilled      downhole      lithology records
                                                   surveys       records
                                                                             Assay by
                                                                                        10564
 2008-2009      Surface                                                       Clifton
                                201      56320.3      8792          1579
  (Clifton)     Drilling                                                    Re-Assay by
                                                                                        31250
                                                                              Osisko
 2010         Surface                                                        Assay       by
                                218      67495.4      22753        1478                       45971
 (Osisko)     Drilling                                                       Osisko
              Surface
 Total                          419      123816       31545        3057                       87785
              Drilling


12.2 SGS Independent sampling and assay Correlation

A data verification of gold and arsenic grades was done by an independent sampling program at the
time of the site visit from May 3rd to May 4th, 2011. The 474 independent sampling results
(including QAQC) permitted SGS to confirm the presence and content of gold in the database as
well as the integrity of the sample results used for the resource estimation.

The 2011 independent sampling showed a good assay correlation for gold. Please see next figure.
The correlation coefficient was above 0.9. The average gold grade of independent assays results had
an overall difference of 1.3% in favour of the original samples. The original assay results average was
1.36 g/t Au. The independent results average was 1.35 g/t Au. SGS Geostat considers the difference
as acceptable. The independent sample arsenic grades were also assayed for an average of 0.08% As.
SGS used a series of tests including Sign tests, and Student T test in order to identify and comment
on a potential bias. According to SGS independent sampling results, SGS cannot determine nor
confirm the presence of an overall contamination or bias.

It is the author and SGS Geostat opinion that Osisko operated according to an industry standard
QA/QC protocol for the insertion of control samples into the stream of samples for the Project.
The data has sufficient quality to be used for mineral resource estimation.




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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                                                                                                          Page 65

                                      Check Assay Results Comparison                                                                    Check Assay Results Comparison
                             10                                                                                                   1

                              9
                                                                                                                                0.5
                              8
                                                                                                                                  0




                                                                                                  Ln SGS independent Au (g/t)
                              7
  SGS Independent Au (g/t)




                                                                                                                                -0.5
                              6

                              5                                                                                                  -1

                              4
                                                                                                                                -1.5
                              3
                                                                                                                                 -2
                              2                                         y = 0.932x + 0.069                                                                                       y = 0.946x - 0.007
                                                                             R² = 0.893                                                                                              R² = 0.922
                                                                                                                                -2.5
                              1

                              0                                                                                                  -3
                                  0     1   2   3   4      5       6    7     8      9       10                                        -3   -2.5   -2   -1.5     -1       -0.5     0       0.5        1

                                                    Original Au (g/t)                                                                                    Ln Original Au (g/t)



Figure 33: Correlation Plot for Independent Check Samples


12.3 2008-2009 Clifton Core Re-Assay by Osisko in 2010

Between 2000 and November 2009, Clifton did not implement an in-house QA/QC program, but
did receive from Techni-Lab – S.G.B. Abitibi inc. inserted CRM, blanks and duplicates within their
analytical certificates. This was done by Techni-Lab as part of a standard internal quality control
procedure used by the laboratory. One (1) blank, one duplicate (1) and two (2) CRM’s were inserted
in every batch of 24 samples (or less). Duplicates were also done on samples in excess of 3 g/t Au.

As of October 2009, Clifton implemented an in-house QA/QC program. Certified Reference
Materials (CRM) were introduced in the sequence of samples sent to the laboratory, ALS Minerals of
Val d’Or. One standard and a duplicate was inserted every 20 samples and one blank was inserted
every 40 samples.

Osisko decided to re-assay all of the Clifton NQ drill holes from their rejects and pulps where there
wasn’t enough sample material. Osisko decided also to assay the entire length of the 2008-2009 drill
core that were not sampled by Clifton. Most of the information of the 2008-2009-assay results
included in the database comes from Osisko re-assayed program. Please see Table 14: Summary of
the final drill hole database.


12.4 Downhole survey errors versus collar azimuth surveys

The Duparquet Malartic database contained errors in the downhole survey data set (deviations). The
error values started from 0° to 5° up to more than 15° relative differences were noted between the
collar azimuth survey data and the first downhole azimuth survey data. The group 0-5° represents
78% of the errors, 5-10° represents 12% of the group, 10-15° difference is 4% and the 15° and more
difference is 5%.

SGS Canada Inc. – SGS Geostat
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The differences between the collar and downhole survey data could be related to a conversion error
or omission of the magnetic (or local) azimuth data to the corrected true azimuth data (NAD 83).
SGS could not outline or correct these differences. The downhole survey data and drill hole true
location at depth could not be confirmed with the highest level of confidence. Therefore, the overall
resources classification was downgraded. Please see the Resources section.


12.5 Arsenic content in independent samples

In addition to the gold content analysis, SGS Geostat also asked for the arsenic grade of its
independent core and pulp samples.

Three separate zones were sampled corresponding to the #1, #3b and #5 zones. The overall arsenic
grade was 0.04% with a minimum of 0.001% to a maximum of 0.70%. Please, see the next table
presenting the average grades of the zones from the limited SGS Geostat independent samples.

Table 15: Average % arsenic content from independent sampling results
                   Zone    Type     Average    Minimum       Maximum       Count
                           Core     0.038      0.001         0.700         171
                   Overall
                           Pulp     0.042      0.001         0.700         171
                           Core     0.017      0.002         0.110         90
                   Zone 1
                           Pulp     0.017      0.001         0.120         90
                   Zone    Core     0.007      0.002         0.024         6
                   3B      Pulp     0.012      0.012         0.016         6
                           Core     0.102      0.001         0.700         75
                   Zone 5
                           Pulp     0.075      0.001         0.700         75




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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star            Page 67


13- Mineral Processing and Metallurgical Testing

This section of the present report was extracted from the report submitted by SGS Canada Inc.
Lakefield facilities to Osisko Mining Corporation (Jackman, R., Dymov, I. (2011) : An investigation
into the recovery of gold from Beattie-Duparquet samples, prepared for Osisko Mining
Corporation, Project 12517-001 – Final Report, February 7, 2011, 88 p.).

On August 25, 2010 Osisko shipped four (4) samples to SGS Canada Inc., Lakefield, Ontario in
order to make an investigation into the recovery of gold from the Beattie Duparquet samples. The
program included comminution test work and preliminary cyanidation and flotation tests to
investigate the recovery of gold.


13.1 Sample Preparation and Characterisation


13.1.1 Comminution Test Work

Three (3) of the four samples were used for comminution tests (BD-2010-01; BD-2010-02; BD-
2010-03). Each sample was stage-crushed removing samples for the comminution tests at various
sizes as required. The samples were classified as hard with respect to resistance to impact breakage
(A x b) and grinding (BWI). The abrasion index ranged from moderate to high. The comminution
test results are summarized in Error! Not a valid bookmark self-reference..

Table 16: Overall Grinding Summary




Sample BD-2010-04 was sent for metallurgical test work. It was crushed to minus 10 mesh and
rotary split into 1-kg test charges. Head samples were riffled out; 2 x 25 grams for Au (assayed to
extinction) and one head sample for additional analyses. It assayed 1.98 g/t Au, 1.09% S, and 0.2%
total organic carbon.


13.1.2 SMC tests

The SMC test is an abbreviated version of the standard JKTech drop-weight test performed on
rocks from a single size fraction (-31.5/+26.5 mm). The SMC test results are preferably calibrated
against reference samples submitted to the standard JKTech drop-weight test (DWT) in order to
consider the natural gradient of hardness by size, which can widely vary from one ore to another.
For the Osisko samples, the SMC was calibrated against the JKTech database. The Osisko


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composites were characterized as hard with respect to resistance to impact breakage (A x b column
in Table 13). The average relative density ranged from 2.54 to 2.72.


13.1.3 Bond Ball Mill Grinding Tests

The Bond Ball mill grinding test was performed at 200 mesh of grind (75 microns). The test results
are summarized in Table 17: Bond Ball Mill Grinding Test Summary. The samples were categorised
as hard with Bond ball mill work indices (BWI) ranging from 17.7 kWh/t to 19.5 kWh/t.

Table 17: Bond Ball Mill Grinding Test Summary




13.1.4 Bond Abrasion Test

The samples were also submitted for Bond abrasion testing. The results are summarized inTable 18:
Bond Abrasion Test Summary.. The Abrasion Index (AI) ranged from 0.395 (moderately abrasive)
for BD-2010-01 to 0.764 (highly abrasive) for BD-2010-03
Table 18: Bond Abrasion Test Summary




13.2 Metallurgical Test Work

Metallurgical test work was conducted on sample BD-2010-04 to investigate the recovery of gold by
flotation and cyanidation.


13.2.1 Whole Ore Cyanidation Test Work

Tests were conducted to investigate the effect of fineness of grind and carbon addition on the
recovery of gold by direct cyanidation of the ore. The ground samples were leached in bottles on
rolls at 50 solids. The cyanide concentration was maintained at 1.13 g/L NaCN and the pH at 105-
11.0 with lime. Samples of the pregnant leach solution were removed after 24 hours and 48 hours in
the tests conducted without carbon to monitor gold extraction. The residues were assayed in
duplicate. The results of these tests are resumed in Table 19: Summary of Whole Ore Cyanidation
Results.

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As the fineness of grind increased, the recovery of gold increased from 33.1% (P80 71μm) to 41.6%
(P80 46μm) and the residue assay decreased from 1.37 g/t Au to 1.26 g/t Au. The addition of
carbon to the leach had no effect on the gold recovery indicating that the carbon in the sample was
not peg-robbing. Assays of the intermediate solution samples suggested that leaching was essentially
complete after 24 hours.


Table 19: Summary of Whole Ore Cyanidation Results




13.2.2 Flotation Test Work

Flotation tests were conducted to investigate the recovery of gold in a bulk sulphide concentrate.
Duplicate tests were conducted on 2 kg charges and similar products were combined to have
sufficient sample for concentrate cyanidation tests. Potassium amyl xanthate (PAX) and Cytec’s
dithiophosphate collector 208 were stage added. The effect of fineness of grind was briefly
examined. The results are shown in Table 20: Summary of Flotation Results.

Table 20: Summary of Flotation Results




The results were similar in both tests with 85-86% gold recovery in a flotation concentrate assaying
10.4-10.8 g/t Au. Based on the head and tailing sulphur analyses, the recovery of sulphides was
>90%.


13.2.3 Concentrate Cyanidation Test Work

The flotation concentrates from each pair of tests were split into two similar parts and reground to
two target sizes. The reground concentrates were leached under the same conditions applied in the
whole ore cyanidation tests (50% solids, 1.13 g/L NaCN, pH 10.5-11, 72 hours). Carbon was added

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in the tests conducted on F3-4 concentrate. The results are given in Table 21: Summary of
Concentrate Cyanidation Results.

Table 21: Summary of Concentrate Cyanidation Results




13.3.4 Comparison of Overall Results

The overall recovery of gold by whole ore cyanidation and by flotation + concentrate cyanidation is
summarized in Table 22: Overall Summary of the Metallurgical Results.


Table 22: Overall Summary of the Metallurgical Results




13.2.5 Conclusions

The maximum recovery of gold was 41.6% in test CN5. Increasing the fineness of grind in the
whole ore leach tests resulted in a small improvement in gold recovery. Base on the residue assays,

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the addition of carbon did not have an effect of the recovery of gold. The concentrate leach tests
confirmed this.

The low recoveries of gold indicate the presence of submicron gold in sulphides. Oxidation of the
sulphides (i.e. pressure oxidation, biological oxidation or roasting) is required to liberate the gold and
make it amenable to cyanidation. A gold deportment study including SIMS analysis of the pyrite
would assist in further flowsheet development.


13.3 Further testing

One additional flowsheet was later examined. Flotation was conducted on a 10 kg sample of BD-
2010-04. The tailing was treated by cyanidation and the concentrate was treated by pressure
oxidation and cyanidation. The results are summarized in Table 23: Overall results including Pressure
Oxidation and Tailing Cyanidation.

Table 23: Overall results including Pressure Oxidation and Tailing Cyanidation




The combined overall recovery of gold was 91.2%. The results of the pressure oxidation-cyanidation
test on the flotation concentrate confirmed the presence of submicron gold in pyrite.


13.4 Conclusions and Recommendations

Three samples were shipped by Osisko Mining Corporation for comminution test work. The results
indicated the following:

            •   All of the samples were classified as hard with respect to resistance to breakage based
                on the SMC test results.
            •   The Bond ball mill work index ranged from 17.7-19.5 kWh/t so that the samples
                would be categorised as hard with respect to grinding.
            •   The Bond abrasion index ranged from moderate (0.395) to high (0.763).

Further test work, including a complete JK drop-weight test and variability testing, is required for
design of the grinding circuit.




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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star              Page 72
Metallurgical test work was conducted on sample BD-2010-04 to investigate the recovery of gold.
This sample assayed 1.98 g/t Au, 0.99% S, and 5.63% CO3. The results of the metallurgical test
work have been summarized below.

           •   Whole ore cyanidation/carbon-in-leach resulted in 33-41% gold recovery.
           •   The results of the carbon-in-leach tests indicated that the sample was not peg-
               robbing.
           •   The recovery of gold by flotation in a bulk sulphide concentrate was approximately
               85%
           •   although the recovery of sulphides was greater than 90%.
           •   Regrinding to a P80 ~15 μm and cyanidation of the flotation concentrate resulted in
               a 39 to 45% gold extraction or 33 to 42% overall gold recovery. This suggested the
               presence of submicron gold in sulphides, which was later confirmed by unpublished
               petrographic work at the Université du Québec à Montréal (UQÀM).
           •   Pressure oxidation followed by cyanidation of the flotation concentrate resulted in
               97% gold extraction (83% overall gold recovery) also confirming the presence of
               submicron gold in pyrite. The pressure oxidation process resulted in the formation
               of basic iron sulphate under the conditions applied, and therefore high lime
               consumption. Lower oxidation temperature and free acid levels should be
               investigated to reduce this reaction. An additional hot cure treatment after pressure
               oxidation may also be examined to break down the basic iron sulphate before
               cyanidation.
           •   The extraction of gold by cyanidation of the flotation tailing was 57% resulting in an
               additional 8% overall gold recovery.

Further test work should be focused on treatment of the flotation concentrate. Optimization of the
pressure oxidation conditions and potentially additional treatment stage (i.e. hot cure) are required.
Alternatively, biological oxidation could be investigated.

Optimization of the flotation and cyanidation stages is also required.

Environmental characterisation and ore variability should be included in a subsequent test program.




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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star          Page 73


14- Mineral Resource Estimates


14.1 Database

On April 29th 2011, SGS Geostat receives from Osisko a Gemcom project containing the database
in order to perform the Beattie resource evaluation.


The initial Gemcom database is composed of (Note that only Beattie property’s relevant data were
considered):

       422 drill holes (a total of 128,034 m) composed as:
       90 holes drilled in 2008 (start by B08-xx)
       114 holes drilled in 2009 (start by B09-xx)
       218 holes drilled in 2010 (start by B10-xx)
       Geology solids modelling by Osisko
       Surfaces of old underground mined stopes
       Others data not relevant to perform Beattie property resource modeling

Osisko provided a topographic surface and a rock/overburden interface. SGS Geostat extended
them in order to recover an area to help evaluate the mineralized material reasonable of the
prospects for economic extraction by an open pit mining method.

During the database validation process, SGS Geostat noted that some drill holes had notable
differences between collars survey and the first downhole survey. SGS Geostat considers that 9% of
the drill holes are problematic (they all have an azimuth difference bigger than 10o). An average
difference around 15o was calculated for that group.

Modifications in the database were made before doing any work with the data.

Deleted drill holes from the database:
B08-32 Reason: Was on the wrong property
B09-66 Reason: Casing survey and Reflex value didn’t correspond by 33.5⁰
B09-99 Reason: Collar’s location is not valid

Modified drill hole:
B09-84 Operation: Azimuth was changed from North to South

SGS-Geostat drew again the solid modelling of the entire Beattie property. This operation had the
purpose to assure SGS Geostat’s confidence in the resource modeling process.




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Gemcom final database:

       419 drill holes (a total of 127,540 m) composed as:
       89 holes drilled in 2008 (start by B08-xx)
       112 holes drilled in 2009 (start by B09-xx)
       218 holes drilled in 2010 (start by B10-xx)
       SGS Geostat’s solids, a modification of Osisko’s originals solids
       Combined solid of old underground stopes
       Topographic surfaces (initial and extended)
       Rock/overburden interfaces (initial and extended)

Table 24: Assays in Gemcom final database
                              Assays qty.                    87,744
                              Avg. length (m)                1.41
                              Total length assayed (m)       123,827


14.2 Specific gravity

Section 13 is a summary of the S.G. determination for the Beattie deposit given by the Company.
The results of the S.G. measurement conducted on representative mineralized intervals returned a
S.G. mean of 2.73 t/m³. This value was rounded down to 2.70 t/m³ in order to match Osisko’s
database value used for S.G. and has been used in the calculation of the tonnages from the
volumetric estimates of the resource block models. Base on SGS Geostat assumptions and
experience, a S.G. of 2.0 t/m³ was used in order to estimate the overburden tonnage.



14.3 Underground stopes

Historical underground mining was performed at the Beattie deposit between 1933 and 1956.
Osisko provided SGS Geostat with the topographic surfaces defining the open mine stopes. SGS
Geostat confirmed the volume of the opening by comparing Gemcom volumetric calculation with
historical tonnage presented in section 6. To be conservative, SGS Geostat considered the all the
stopes mined and empty.




SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star          Page 75




Figure 34: 3D view of underground stopes under topography


Table 25: Calculated tonnage vs. historical tonnage




14.4 Grid Used

All interpretations were done according to the UTM NAD83 Zone 17U coordinates system. All drill
holes locations including 2008-2009 Clifton drill holes were verified with a high DGPS precision.
SGS Geostat considers the drill holes location to be adequate and reliable for resource estimation
purpose.



14.5 Solids Modeling

Solid modeling was performed on 419 drill holes in the main 5 zones (1, 3A, 3B, 5, 6). A minimum
width of 3 meters was respected in order to create a realistic mining width.




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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star                Page 76




Figure 35: 5 main zones (1, 3A, 3B, 5, 6)


14.6 Compositing

1.5m composites were created starting at the collar for each hole. In order to generate the block
estimation for gold values inside the selected modeled 5 main zones, each geological solid were
estimated separately with their own set of composites. The surrounding rock mass was estimated
with the remaining composites (outside main solids).



14.7 Statistics

SGS produced geostatistical analysis of the gold distribution inside each main zone and concluded
that no capping was necessary.




         # Samples    Min Value    Average    Max Value    Variance    Std. Dev.    Coef of Var.
              4,504         0.00       0.85        18.66        1.39         1.18           1.39


                                   Figure 36: Statistics Zone 1


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         # Samples    Min Value    Average    Max Value    Variance    Std. Dev.    Coef of Var.
              1,661         0.00       1.37        24.28        3.32         1.82           1.33


                                   Figure 37: Statistics Zone 3A




         # Samples    Min Value    Average    Max Value    Variance    Std. Dev.    Coef of Var.
              1,955         0.00       1.13        12.05        2.21         1.49           1.31


                                   Figure 38: Statistics Zone 3B




         # Samples    Min Value    Average    Max Value    Variance    Std. Dev.    Coef of Var.
              1,331         0.00       1.51        12.20        3.17         1.78           1.18

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                                        Figure 39: Statistics Zone 5




         # Samples     Min Value    Average       Max Value    Variance    Std. Dev.    Coef of Var.
               673           0.00       1.51           21.19        5.33         2.31           1.53


Figure 40: Statistics Zone 6

14.8 Research Ellipsoids

Each geological solid and the surrounding rock mass were estimated separately with their own
research ellipsoid. The size of each research ellipsoid was created according to the available
geological and geostatistical information.

Table 26: Beattie - Research Ellipsoid Parameters
                    Rotation (degres)        Radius (m)
      Zone
                     Z      X      Y       X     Y       Z
      5-West        10     90     90      120 120       30
      5-East        175    90     90      120 120       30
        3-A         10     90     25      100 150       30
     3-B-West       200    90     90      120 120       30
     3-B-East       175    90     90      120 120       30
         6          180    90     90      120 120       30
         1          175    90     90      100 100       60
 Surrounding rock   180    90     90      120 120       30



14.9 Global Resources Estimation

Based on the geology deposit, SGS used a block model of 10m (X) by 2m (Y) by 5m (Z). SGS also
used the Gemcom software to do the resource estimation. The inverse distance squared was used to
estimate the resource of the Beattie mineral deposit. A minimum of 4 samples, a maximum of 8 and
a maximum of 2 samples from a same drill hole were used to estimate a single block. A density of
2.70 t/m³ was used for all rock material and a density of 2,00 t/m³ was used for the overburden.

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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star              Page 79

The resources were estimated using different Au cut-off grades. The selected cut-off of 0.67 g/t
was retained in order to outline the mineral potential of the deposit according to the open pit mining
option. This value is defined in section 14.10 In Pit Resources.

The inferred resources are as follow:

Table 27: Beattie – Inferred Resources
 Au Cut-off
                      Tonnes        Au (g/t)         Au (oz)
    (g/t)
     0.20         161,190,000           0.77     3,978,000
     0.30         115,520,000           0.97     3,618,000
     0.40          90,320,000           1.15     3,339,000
     0.50          74,180,000           1.30     3,107,000
     0.60          62,480,000           1.44     2,901,000
     0.67          56,220,000           1.53     2,773,000
     0.80          46,840,000           1.69     2,552,000
     0.90          41,030,000           1.81     2,394,000
     1.00          36,120,000           1.93     2,244,000
     1.50          20,520,000           2.47     1,631,000
     2.00          11,960,000           3.01     1,156,000

The following information was taken into account for the resources classification of the Beattie
mineral deposit as inferred resources:

        The presence of some relatively high differences between holes collar survey and first
        downhole survey (in the order of 15⁰)
        The drill pattern and density of drilling
        Level of confidence of the overall data, SGS classified the resources as inferred (see section
        12).

Table 28: Beattie - Block Model Extent
                                  Min       Max
Easting (UTM)                    629,650   631,650
Northing (UTM)                 5,373,930 5,374,980
Elevation (above sea level)         -240       350
                                            *(NAD 83 –Zone 17U)

14.10 In Pit Resources

With the estimated inferred resources on the Beattie property, an open-pit optimization needs to be
performed in order to evaluate the mineralized material that had reasonable prospects for economic
extraction. Open pit mining method was preferred versus underground mining due to the chosen
gold price and the estimated gold grade. The parameters used are presented in the next list:




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Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star               Page 80

Mining cost:                   1.50 CAN$/t
Processing cost:               20.00 CAN$/t (include 0.76 CAN$/t for G&A costs)
Processing Au Recovery:        85%
Gold price:           Base case at 1,100 CAN$/oz and variable from 400 to 1,500 CAN$/oz
Slope angle (rock):            50⁰
Slope angle (ovb):             30⁰
Cut off:                       0.67 g/t (Processing cost ÷ (Gold price per gram × Recovery))
*An exchange rate factor of 1:1 was used from CAN$ to US$


The open-pit optimization performed with Whittle software on the Beattie property produced the
following in pit resources:

Table 29: Beattie – In Pit Inferred Resources vs. Gold Price
              Waste        Mineralized      Total                                        Marginal
  USD/oz                                                 SR     Au (g/t)   Au (oz)
            material (T)   materiel (T)   material (T)                                  cut-off (g/t)
      400     8,480,000       1,300,000     9,780,000    6.5        3.63     152,000            1.83
      500    17,180,000       2,650,000    19,840,000    6.5        3.07     262,000            1.46
      600    40,380,000       5,420,000    45,800,000    7.5        2.68     467,000            1.22
      700    50,930,000       7,270,000    58,200,000    7.0        2.43     568,000            1.05
      800    83,550,000     11,450,000     95,000,000    7.3        2.13     785,000            0.91
      900   148,380,000     17,790,000    166,170,000    8.3        1.94   1,112,000            0.81
    1,000   236,520,000     26,160,000    262,680,000    9.0        1.78   1,501,000            0.73
    1,100   282,720,000     31,950,000    314,660,000    8.9        1.67   1,717,000            0.67
    1,200   365,400,000     39,410,000    404,820,000    9.3        1.58   2,008,000            0.61
    1,300   402,620,000     44,220,000    446,830,000    9.1        1.52   2,157,000            0.56
    1,400   477,080,000     51,620,000    528,700,000    9.2        1.44   2,391,000            0.52
    1,500   503,130,000     55,920,000    559,050,000    9.0        1.39   2,499,000            0.49




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Figure 41: In pit inferred resource looking down




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Figure 42: Looking West section 630,000 E




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Figure 43: Looking West section 630,100 E




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Figure 44: Looking West section 630,200 E




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Figure 45: Looking West section 630,300 E




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Figure 46: Looking West section 630,400 E




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Figure 47: Looking West section 630,500 E




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Figure 48: Looking West section 630,600 E




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Figure 49: Looking West section 630,700 E




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Figure 50: Looking West section 630,800 E




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Figure 51: Looking West section 630,900 E


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Figure 52: Looking West section 631,000 E

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Figure 53: Looking West section 631,100 E


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Figure 54: Looking West section 631,200 E


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Figure                55:                Looking                  West         section   631,300   E


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15- Mineral Reserve Estimates


There are no mineral reserves described in this current report.




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16- Mining Methods


Not applicable at this stage.




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17- Recovery Methods


Not applicable at this stage.




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18- Project Infrastructure


Not applicable at this stage.




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19- Market Studies and Contracts


Not applicable at this stage.




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20- Environmental Studies, Permitting and Social or Community
Impact


Not applicable at this stage.




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21- Capital and Operating Costs


Not applicable at this stage.




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22- Economic Analysis


Not applicable at this stage.




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23- Adjacent Properties


23.1 Dumico Property
Property Size: 238 acres -- claims A866 and A867. Location: Duparquet Township, Quebec.

Approximately 7,100 tons averaging 3.20 g/t Au was mined up to 1944. Drill hole in 1933 (DH33-
55) returned 69.94 g/t Au over width of 1.53 meters. The ore is a composition of silicified syenite
porphyry and lies along the same fault structure as the Donchester Mine (south side of the same
syenite porphyry intrusive).Metallurgical studies indicate recoveries of 90% by flotation and 92%
with cyanidation. Two shafts were sunk, one to 305 metres depth, and the zones traced for some
700 metres strike length by 84 drill holes. The average value is approximately 10.70 g/t (3.73 to
21.46 g/t Au range) over a width of approximately 2.3 metres. Minor molybdenite (Mo) and silver
(Ag) are associated with the gold bearing zones.

SGS qualified persons have been unable to verify the information of this property. Information is
not necessarily indicative of the mineralisation on the Beattie property.

Source: http://www.cliftonstarresources.com/properties-Dumico-Mine-Property.html


23.2 Duquesne-Ottoman Property

 The Duquesne-Ottoman property is located in the east and is adjacent to Central Duparquet claims
block. The property is owned by Duparquet Assets Ltd. Xmet Inc., with an option agreement on
75% of the property. The total drilling done on the property, between the years 1975 to 2010
approximates 65,900 metres. The following table shows the disclosed inferred mineral resources on
the Duquesne-Ottoman Property described in the 2010 technical report for XMet Inc.

Table 30: Published resources of the Duquesne-Ottoman Property
                                                               Au               g/t
                          ZONE              TONNES
                                                               (cap to 30 g Au/t)
                          Liz               1,360,775          4.63
                          Fox               545,624            7.84
                          South Shaft       162,456            6.08
                          Shaft             297,023            4.90
                          Stinger           365,399            3.90
                          TOTAL             2,730,000          6.00

SGS qualified persons have been unable to verify the information of this property. Information is
not necessarily indicative of the mineralisation on the Beattie property.
Source: Armstrong, T., Londry, J., Reddick, J. (2010): Technical Report on Resource Estimates for
the Duquesne-Ottoman Property, Quebec, Prepared for Xmet Inc.), NI43-101 Report by Reddinck
Consulting Inc., 68 p.

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23.3 Duparquet Gold Project

This property is located northeast of Central Duparquet claims block and is owned by Tres-Or
Resources Ltd. At this time, no mineral resource has been publicly disclosed nor any recent drilling.
The company did recent work, a magnetic and electromagnetic geophysical survey. The source of
this information is from the Tres-Or website and other mining websites.




Figure 56: Location of adjacent properties from the Beattie Property




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24- Other Relevant Data and Information

To the authors knowledge there are no other relevant data and information on the Beattie property.




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25- Interpretation and Conclusions

SGS Geostat validated the exploration process and the drill core sampling procedure used by Osisko
as part of an independent verification program. SGS Geostat concluded that the drill core
manipulation, logging and sampling protocol meet the conventional industry standard and are in
conformity with general accepted practice. Maxime Dupéré P.geo and QP completed a review of the
sample preparation and analysis including the QA/QC analytical protocol implemented by the
company on the Beattie Property. Maxime Dupéré P. Geo and QP visited the property from May
2nd to May 4th, 2011 to review the Company sample preparation procedures. SGS Geostat considers
that the sampling is performed adequately and the samples are generally representative. Finally, the
author is confident that the data acquisition system is appropriate and suitable for the estimation of
a NI 43‐101 compliant mineral resource.

As part of the data verification program, SGS Geostat completed independent analytical verification
of drill core duplicate samples and pulp duplicate samples collected from Osisko’s 2010 diamond
drilling program as well as some 2008-2009 drill holes from the Clifton diamond drilling campaign.
Based on the independent sampling program results, SGS Geostat considers the quality of the data
to be suitable and therefore accept to include them in the final drill holes database of the Beattie
property. SGS Geostat recommends that all QAQC data be incorporated into a single and updated
database. SGS Geostat is of the opinion that the final drill hole database dated May 19th, 2011 is
adequate to support a mineral resource estimate.

SGS did not receive the full data of the Donchester and Central Duparquet properties and cannot
comment on the Donchester and Central Duparquet QAQC results. Only the Beattie property
diamond drilling and reject check sampling results data were verified.

The resources reported in this document are compliant with standards as outlined in the National
Instrument 43-101. The Beattie property classified resources were estimated using a minimum cut-
off grade of 0.67 g/t and amount to 31.95 Mt inferred (in pit) category at 1.67 g/t. It is the author’s
and SGS Geostat opinion, according to the estimation parameters used including the fixed specific
gravity, the selection of search parameters and classification parameters, that the estimated resources
reported herein are considered to be adequate and reliable.

The exploration work carried out in the recent years by Clifton and Osisko at Duparquet have
confirmed that the Duparquet area retains significant exploration potential for gold mineralisation.

The inferred resources on the Beattie property reported herein are sufficient to justify additional
work on the property. Future steps could include bulk sampling, extensive mineral processing and
metallurgical testing and preliminary economic assessment study.

The gold recovery using traditional known processes is poor. The gold mineralisation is associated
with fine pyrite and minor arsenopyrite and is considered refractory “ore”. Extensive met testing
needs to be completed in order to develop and optimize a flowsheet which will be more acceptable
in terms of recovery % and assess the real cost of extraction including associated arsenic
management costs.


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It is public knowledge that the property has a serious environmental problem derived from residual
arsenic from past production. This needs to be addressed as a priority for future development. This
fact in addition to the requirement of a complex gold extraction process, however, makes this
project very challenging.

SGS Geostat independent Qualified persons are not in a position, and it is not our mandate, to
recommend continuation or not with the commitment of Osisko to Clifton on the Beattie property.




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26- Recommendations

According to the resource estimated within this report, we are on the opinion that further work
needs to be done on the property according to the following priorities:

It is recommended to validate and re-survey holes with that contain high discrepancies between
surface and downhole survey values to increase the level of confidence in the hole location. Update
the modelling and resources with the revised surveys, while adding some holes to confirm some
contacts and the high grade zone. Cost for this is estimated at CA$ 125,000.

SGS Geostat estimates an approximate and preliminary budget of CA$ 2 million for a first phase of
mineral processing, metallurgical testing and recovery of the mineralised material.

Have a PEA prepared with emphasis made on the metallurgical testing and the associated
environmental management of rejects and waste rock. Cost for this is estimated at CA$ 250,000.

Any eventual permitting applications should take into consideration the historical arsenic mine-site
contamination. It is expected that inclusion of a remediation strategy for new and historic mine
wastes would improve the likelihood of successful mine permitting and ensure support from the
local communities.




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27- Reference

EDEN, W.J. (1964), Earthflow’s at the Beattie Mine, Quebec, Canada, 1(2), Canadian Geotechnical
Journal, p.104-114.

www.secinfo.com/d154K7.q1q.d.htm#Dates

Clifton Star, NI43-101, Beattie-Donchester Gold Mine Property

Source: http://www.cliftonstarresources.com/properties-Dumico-Mine-Property.html

Armstrong, T., Londry, J., Reddick, J. (2010): Technical Report on Resource Estimates for the
Duquesne-Ottoman Property, Quebec, Prepared for Xmet Inc.), NI43-101 Report by Reddinck
Consulting Inc., 68 p.

Arsenic data and information
Mining Watch Canada, (2001), The Boreal Below: Mining Issues and Canada’s Boreal Forest
Region, 143p

Topographic Maps come from GEOGRATIS (ministère des ressources naturelles du Canada)
Mapping data for claims come from GESTIM (MRNF-Quebec) and modified in MapInfo Software

(Jackman, R., Dymov, I. (2011): An investigation into the recovery of gold from Beattie-Duparquet
samples, prepared for Osisko Mining Corporation, Project 12517-001 – Final Report, February 7,
2011, 88 p.).

Bevan, P.A. (2008): Technical Report on Beattie-Donchester Gold Mine Property, Duparquet
Township, Quebec, NI43-101 Report on Behalf of Clifton Star Resources Inc., 43 p.

Bevan, P.A. (2009): Technical Report on Beattie-Donchester Gold Mine Property, Duparquet
Township, Quebec, NI43-101 Report on Behalf of Clifton Star Resources Inc. 43 p.

Goutier, J. (1997): Géologie de la Région de Destor (SNRC 32D/07-200-0201). Ministère des
Ressources Naturelles du Québec, et Ressources Naturelles du Canada, RG96-13, 37 p.

Goutier, J. and Lacroix, S. (1992) : Géologie du secteur de la faille de Porcupine-Destor dans les
cantons de Destor et Duparquet. Gouvernement du Québec, Ministère de l’Énergie et des
Ressources, Service Géologique du Nord-Ouest, MB 92-06, 62 p.

Graham, R.B. (1954): Part of Hébécourt, Duparquet and Destor Townships, Québec. Quebec
Department of Mines, Geological Report 61, 64p.

Legault, M., Fallara, F., Beaudoin, G., Cheng, L.,Aucoin, M., Goutier, J., Perron, G., Rabeau, O.,
(2004) : Synthèse métallogénique et modélisation 3D de la Faille de Porcupine-Destor dans le
secteur de Duparquet, Sous-province de l’Abitibi (phase 2 de 3), Ministère des Ressources
Naturelles, de la Faune et des Parcs du Québec ; RP 2004-07, 15 p.

SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star         Page 111

Legault, M., Goutier, J., Beaudoin, G., Aucoin, M., (2005): Synthèse métallogénique de la Faille
Porcupine-Destor, Sous-province de l’Abitibi, 37 p.

Létourneaux, O., Paul, R., (2011): Helicopter-borne TDEM and magnetic survey, Duparquet,
Abitibi, Québec, NTS map sheets 32D/06 and 32D/11. Data acquisition report, Duparquet
Property Project, presented to Osisko Mining Corporation, presented by Geophysics GPR, March
2011, 21 p. and 8 maps.

Poulsen, K. Howard (1995) : Disseminated and Replacement Gold, in Geology of Canadian Mineral
Deposit Types, (ed.) O.R. Eckstrand, W.D. Sinclair, and R.I. Thorpe; Geological Survey of Canada,
Geology of Canada, no. 8, p. 323-328.

Rioux, L. (2011/04/06): Internal and not published Technical Report on the Duparquet Properties
(Beattie, Donchester and Central Duparquet), Duparquet Township, (NTS 32D/11), Province of
Québec For Osisko Mining Corporation Inc. and Clifton Star Resources Inc. 150p.




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28- Date and Signature

This report “NI 43-101 Technical Report Mineral Resource Estimation Duparquet, Beattie Property
for Osisko Mining Corporation and Clifton Star Resources Inc.” dated May 26th, 2011 was prepared
and signed by the authors.



Signed and sealed “Claude Duplessis” Eng.

______________________________               Signed in Blainville, Québec on July 7th, 2011
Claude Duplessis Eng.
Manager
SGS Canada Inc.




Signed and sealed “Maxime Dupéré” P.Geo.

______________________________               Signed in Blainville, Québec on July 7th, 2011

Maxime Dupéré P. Geo
Geologist
SGS Canada Inc.




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29- Certificate of Qualification
29.1- Certificate of Mr Claude Duplessis, Eng.

To accompany the Report entitled: "Technical Report, Mineral Resource Estimation the Beattie Property, Duparquet
area for Osisko Mining Corporation and Clifton Star Resources Inc." dated May 26th, 2011.

I, Claude Duplessis Eng., do herby certify that:
     1. I am an senior engineer and manager with SGS Canada Inc. – Geostat with an office at 10, Blvd de la
         Seigneurie East, Suite 203, Blainville, Quebec, Canada, J7C 3V5;
     2. I am a graduate from the University of Quebec in Chicoutimi, Quebec in 1988 with a B.Sc.A in geological
         engineering and I have practiced my profession continuously since that time.
     3. I am a registered member of the Ordre des ingénieurs du Québec (Registration Number 45523). I am also a
         registered engineer in the province of Alberta (Registration Number M77963). I am a Member of the Canadian
         Institute of Mining, Metallurgy and Petroleum and member of the Prospector and Developers Association of
         Canada.
     4. I have worked as an engineer for a total of 23 years since my graduation. My relevant experience for the
         purpose of the Technical Report is: Over 19 years of consulting in the field of Mineral Resource estimation,
         orebody modeling, mineral resource auditing and geotechnical engineering.
     5. I am responsible with the other authors either singularly or jointly for parts 1 to 3, 5 to 10, 23 to 26 and
         singularly for parts 13 to 22 of: "Technical Report, Mineral Resource Estimation the Beattie Property,
         Duparquet area for Osisko Mining Corporation and Clifton Star Resources Inc." dated May 26th, 2011".
     6. I am an independent “qualified person” within the meaning of National Instrument 43-101 – Standards of
         Disclosure for Mineral Projects of the Canadian Securities Administrators.
     7. I did not visit the Beattie property.
     8. I have had no prior involvement with the property that is the subject of this technical report.
     9. I certify that there is no circumstance that could interfere with my judgment regarding the preparation of this
         technical report.
     10. Neither I, nor any affiliated entity of mine, is at present, under an agreement, arrangement or understanding or
         expects to become, an insider, associate, affiliated entity or employee of Osisko Mining corporation and/or
         Clifton Star Resources Inc., or any associated or affiliated entities.
     11. Neither I, nor any affiliated entity of mine, own directly or indirectly, nor expect to receive, any interest in the
         properties or securities of Osisko Mining Corporation and/or Clifton Star Resources Inc., or any associated or
         affiliated companies.
     12. I have read NI 43-101 and Form 43-101F1 and have prepared and read the report entitled: "Technical Report,
         Mineral Resource Estimation the Beattie Property, Duparquet area for Osisko Mining Corporation and Clifton
         Star Resources Inc." dated May 26th, 2011" in compliance with NI 43-101 and Form 43-101F1.
     13. To the best of my knowledge, information and belief, and, as of the date of this certificate, the parts I wrote in
         this technical report contain all scientific and technical information that is required to be disclosed to make this
         section of the technical not misleading.



Signed at Blainville, Quebec this July 7th, 2011



Signed and Sealed
_____________________________________
Claude Duplessis Eng.




SGS Canada Inc. – SGS Geostat
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29.2- Certificate of Mr Maxime Dupéré, P.Geo.

To accompany the Report entitled: "Technical Report, Mineral Resource Estimation the Beattie Property, Duparquet
area for Osisko Mining Corporation and Clifton Star Resources Inc." dated May 26th, 2011.

    1.    I, Maxime Dupéré, P. Geo., do herby certify that:
    2.    I am a geologist with SGS Canada Inc. – Geostat with an office at 10, Blvd de la Seigneurie East, Suite 203,
          Blainville, Quebec, Canada, J7C 3V5;
    3.    I am a graduate from the Université de Montréal, Quebec in 1999 with a B.Sc. in geology and I have practiced
          my profession continuously since 2001.
    4.    I am a registered member of the Ordre des Géologues du Québec (#501),
    5.    I have 10 years experience in mining exploration in diamonds, gold, silver, base metals, and Iron Ore. I have
          prepared and made several mineral resource estimations for different exploration projects at different stages of
          exploration. I am aware of the different methods of calculation and the geostatistics applied to metallic and non
          metallic projects as well as industrial mineral projects.
    6.    I am responsible with the other authors either singularly or jointly for parts 1 to 3,5 to 10, 23 to 26 and
          singularly for parts 4, 11 and 12 of: "Technical Report, Mineral Resource Estimation the Beattie Property,
          Duparquet area for Osisko Mining Corporation and Clifton Star Resources Inc." dated May 26th, 2011".
    7.    I am an independent “qualified person” within the meaning of National Instrument 43-101 – Standards of
          Disclosure for Mineral Projects of the Canadian Securities Administrators.
    8.    I visited the Beattie property from May 3rd to May4th, 2011.
    9.    I have had no prior involvement with the property that is the subject of this technical report.
    10.   I certify that there is no circumstance that could interfere with my judgment regarding the preparation of this
          technical report.
    11.   Neither I, nor any affiliated entity of mine, is at present, under an agreement, arrangement or understanding or
          expects to become, an insider, associate, affiliated entity or employee of Osisko Mining corporation and/or
          Clifton Star Resources Inc., or any associated or affiliated entities.
    12.   Neither I, nor any affiliated entity of mine, own directly or indirectly, nor expect to receive, any interest in the
          properties or securities of Osisko Mining corporation and/or Clifton Star Resources Inc., or any associated or
          affiliated companies.
    13.   I have read NI 43-101 and Form 43-101F1 and have prepared and read the report entitled: "Technical Report,
          Mineral Resource Estimation the Beattie Property, Duparquet area for Osisko Mining Corporation and Clifton
          Star Resources Inc." dated May 26th, 2011" in compliance with NI 43-101 and Form 43-101F1.
    14.   To the best of my knowledge, information and belief, and, as of the date of this certificate, the parts I wrote in
          this technical report contain all scientific and technical information that is required to be disclosed to make this
          section of the technical not misleading.




Signed at Blainville, Quebec this July 7th, 2011



Signed and Sealed
_____________________________________
Maxime Dupéré, P.Geo.




SGS Canada Inc. – SGS Geostat
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30- Drill Hole location

             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
BD10-124     630100.07        5374450.62      284.17           137.00      -60.00   0.00
BD10-141     630600.33        5374590.45      286.17           125.21      -55.00   0.00
BD10-137     630000.01        5374400.81      281.05           235.80      -59.00   0.00
BD10-136     630600.12        5374500.33      300.22           266.00      -60.00   0.00
BD10-128     631299.95        5374349.82      299.42           146.00      -60.00   180.00
BD10-125     629999.99        5374449.19      281.74           135.51      -60.00   0.00
BD10-126     629999.96        5374449.85      281.73           125.00      -45.00   0.00
BD10-131     631299.72        5374199.99      299.15           464.00      -60.00   0.00
BD10-139     630510.02        5374549.79      293.74           93.21       -60.00   350.00
BD10-129     631300.08        5374300.07      301.71           497.00      -60.00   0.00
BD10-123     630899.86        5374359.66      314.45           454.60      -60.00   0.00
BD10-145     630000.04        5374299.90      282.20           163.60      -60.00   0.00
BD10-133     630900.03        5374311.98      311.94           476.10      -90.00   0.00
BD10-143     629999.89        5374350.70      282.39           330.00      -73.00   180.00
BD10-140     630514.97        5374585.59      286.74           122.00      -54.00   344.00
BD10-142     630000.09        5374350.79      282.40           83.71       -60.00   0.00
BD10-144     630699.70        5374400.01      308.40           491.00      -60.00   0.00
BD10-138     630700.09        5374450.64      308.58           437.20      -60.00   0.00
BD10-150     630705.20        5374499.79      309.63           241.61      -60.00   357.00
BD10-146     629999.88        5374299.39      282.31           373.70      -62.00   180.00
BD10-154     629999.90        5374250.52      282.18           347.00      -60.00   0.00
BD10-130     631300.00        5374250.16      303.50           470.00      -60.00   0.00
BD10-152     631200.10        5374200.00      305.81           441.00      -68.00   0.00
BD10-134     630900.22        5374259.98      308.51           476.00      -60.00   0.00
BD10-132     631299.75        5374200.22      299.24           458.00      -68.00   0.00
BD10-151     631200.10        5374200.23      305.89           470.00      -60.00   0.00
BD10-153     630793.48        5374402.28      313.04           482.00      -60.00   1.00
BD10-148     630900.15        5374200.26      300.12           452.00      -62.00   0.00
BD10-147     629999.86        5374299.05      282.31           308.00      -70.00   180.00
BD10-191     629899.94        5374201.73      279.55           47.70       -60.00   0.00
BD10-135     630900.24        5374409.73      311.89           366.51      -60.00   0.00
BD10-162     630000.14        5374200.77      282.77           331.70      -60.00   0.00
BD10-149     630900.09        5374199.93      300.05           427.70      -69.00   0.00
BD10-165     629999.87        5374199.64      282.93           170.00      -60.00   180.00
BD10-156     630799.14        5374449.88      314.16           413.00      -60.00   0.00
BD10-157     630799.83        5374449.69      314.17           473.00      -60.00   180.00
BD10-155     629999.80        5374250.00      282.08           266.00      -60.00   180.00


SGS Canada Inc. – SGS Geostat
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             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
BD10-159     631200.01        5374300.29      308.43           476.00      -60.00   0.00
BD10-161     630999.84        5374200.11      304.61           464.00      -68.00   0.00
BD10-164     630000.19        5374200.17      282.92           178.50      -77.00   0.00
BD10-163     630000.19        5374200.40      282.89           326.00      -68.00   0.00
BD10-167     630600.13        5374451.31      303.34           317.00      -60.00   0.00
BD10-169     630807.96        5374351.32      312.83           407.00      -60.00   183.00
BD10-158     631200.16        5374249.98      310.03           467.00      -60.00   0.00
BD10-166     631200.34        5374351.98      306.84           467.00      -60.00   0.00
BD10-170     630799.84        5374302.33      306.00           467.00      -60.00   0.00
BD10-171     630700.00        5374364.00      308.02           448.30      -60.00   0.00
BD10-172     631001.25        5374249.05      308.46           465.30      -60.00   0.00
BD10-174     631000.14        5374350.93      311.98           447.21      -60.00   0.00
BD10-178     630296.14        5374221.84      308.60           426.00      -71.00   3.00
BD10-176     629899.65        5374451.46      280.31           166.80      -60.00   0.00
BD10-175     629899.75        5374451.88      280.29           110.00      -45.00   0.00
BD10-177     630296.14        5374222.06      308.61           450.00      -63.00   3.00
BD10-173     630700.36        5374300.81      308.07           464.00      -60.00   0.00
BD10-179     630296.14        5374221.72      308.56           336.00      -80.00   3.00
BD10-168     630807.44        5374352.79      312.78           463.90      -60.00   358.00
BD10-181     630499.65        5374199.55      307.87           467.00      -60.00   0.00
BD10-182     630499.64        5374199.32      307.90           435.00      -67.00   0.00
BD10-186     631200.65        5374430.58      304.93           299.00      -55.00   0.00
BD10-
191B         629899.94        5374201.73      279.55           350.00      -60.00   0.00
BD10-197     631200.30        5374520.36      282.98           225.00      -68.00   0.00
BD10-190     630399.73        5374500.45      297.65           199.00      -60.00   0.00
BD10-119     631300.02        5374400.30      296.25           431.00      -60.00   0.00
BD10-112     631295.86        5374456.81      288.85           459.20      -60.00   178.00
BD10-113     630900.04        5374459.88      307.29           276.90      -60.00   0.00
BD10-193     630306.15        5374550.68      295.88           61.70       -60.00   353.00
BD10-192     629900.05        5374199.95      279.64           353.00      -68.00   0.00
BD10-196     631200.29        5374521.05      282.88           92.00       -45.00   0.00
BD10-187     631200.22        5374431.05      304.97           467.00      -58.00   180.00
BD10-194     631300.28        5374499.93      284.69           182.00      -60.00   0.00
BD10-226     630599.65        5374249.67      315.40           191.00      -45.00   180.00
BD10-160     630999.92        5374200.40      304.57           464.00      -60.00   0.00
BD10-184     630499.65        5374198.46      307.90           225.00      -45.00   180.00
BD10-111     631296.11        5374457.12      288.87           229.00      -61.00   0.00
BD10-122     631300.10        5374350.14      299.49           470.70      -60.00   0.00
BD10-205     630900.49        5374510.63      304.38           163.70      -60.00   0.00

SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star        Page 117
             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
BD10-207     630999.92        5374440.59      308.74           165.60      -58.00   0.00
BD10-229     629900.15        5374347.68      280.81           320.00      -73.00   180.00
BD10-203     631000.11        5374575.02      282.90           195.00      -74.00   0.00
BD10-114     630899.85        5374459.47      307.33           356.80      -60.00   180.00
BD10-223     630700.10        5374251.57      314.13           483.00      -60.00   0.00
BD10-199     630799.32        5374249.04      303.36           261.30      -60.00   180.00
BD10-195     631300.02        5374549.98      282.94           122.00      -60.00   0.00
BD10-204     630900.04        5374584.34      282.35           105.00      -70.00   0.00
BD10-198     630799.58        5374255.50      303.52           476.00      -60.00   0.00
BD10-201     630299.96        5374449.85      291.30           175.20      -60.00   0.00
BD10-206     630799.93        5374504.02      311.76           240.00      -62.00   0.00
BD10-218     630799.84        5374192.18      300.75           470.00      -60.00   0.00
BD10-221     629899.82        5374247.73      279.73           161.00      -60.00   180.00
BD10-214     630999.85        5374493.44      298.46           140.90      -57.00   0.00
BD10-211     630099.54        5374499.52      281.39           95.01       -60.00   0.00
BD10-210     630099.54        5374499.99      281.44           113.00      -45.00   0.00
BD10-268     630086.37        5374347.74      286.50           386.00      -60.00   5.00
BD10-185     631202.15        5374389.01      307.62           440.00      -59.00   359.00
BD10-180     630295.62        5374220.59      308.29           116.00      -51.00   176.00
BD10-250     630099.71        5374197.54      289.01           110.00      -60.00   180.00
BD10-188     631000.16        5374300.06      311.00           479.00      -60.00   0.00
BD10-244     630499.85        5374409.02      299.93           472.10      -60.00   180.00
BD10-115     630499.75        5374450.40      302.33           404.00      -60.00   0.00
BD10-116     630499.92        5374450.28      302.31           446.00      -60.00   180.00
BD10-117     630099.85        5374400.83      283.33           395.00      -60.00   0.00
BD10-118     630100.15        5374399.89      283.26           251.10      -60.00   180.00
BD10-228     629900.03        5374349.45      280.80           347.00      -60.00   0.00
BD10-219     630800.00        5374190.00      300.75           437.00      -67.00   0.00
BD10-230     630300.27        5374323.83      297.81           306.00      -65.00   180.00
BD10-237     629899.86        5374298.57      279.85           287.00      -62.00   180.00
BD10-247     630100.01        5374200.12      289.15           458.00      -60.00   0.00
BD10-127     630500.11        5374500.14      299.66           193.71      -60.00   0.00
BD10-227     629899.86        5374386.70      279.66           260.00      -57.00   0.00
BD10-209     630199.95        5374497.78      287.68           84.01       -60.00   0.00
BD10-236     629900.16        5374300.98      279.72           350.00      -60.00   0.00
BD10-262     630199.85        5374305.90      299.57           308.00      -59.00   180.00
BD10-202     631100.22        5374554.73      282.79           144.00      -67.00   0.00
BD10-263     630199.84        5374306.17      299.55           302.00      -69.00   180.00
BD10-239     631099.88        5374399.82      312.28           365.00      -60.00   0.00
BD10-208     630199.97        5374497.25      287.64           61.00       -45.00   0.00
SGS Canada Inc. – SGS Geostat
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             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
BD10-269     630196.81        5374334.90      299.95           156.20      -59.00   1.00
BD10-241     630199.89        5374401.05      286.63           374.00      -60.00   0.00
BD10-215     631100.45        5374439.79      312.15           260.00      -45.00   0.00
BD10-217     631100.06        5374438.10      312.21           461.00      -62.00   180.00
BD10-216     631100.47        5374439.06      312.20           295.00      -60.00   0.00
BD10-224     630699.99        5374250.65      314.02           286.00      -60.00   180.00
BD10-240     631099.82        5374350.14      313.32           452.00      -60.00   0.00
BD10-233     631100.00        5374202.78      306.70           470.00      -68.00   0.00
BD10-212     630699.87        5374187.03      305.89           479.00      -59.00   0.00
BD10-254     630699.81        5374550.22      302.04           133.00      -60.00   0.00
BD10-
164B         630000.04        5374136.55      287.16           338.00      -68.00   0.00
BD10-238     629899.80        5374298.84      279.81           335.00      -73.00   180.00
BD10-282     630204.89        5374247.61      303.03           476.00      -60.00   359.00
BD10-294     630504.11        5374270.99      316.64           368.20      -54.00   181.00
BD10-234     631100.28        5374249.72      308.92           490.30      -60.00   0.00
BD10-200     630299.93        5374501.26      294.67           173.00      -60.00   0.00
BD10-189     630399.77        5374440.40      298.50           341.00      -58.00   0.00
BD10-267     630794.59        5374559.81      298.69           203.00      -63.00   5.00
BD10-225     630599.62        5374250.43      315.39           482.00      -60.00   0.00
BD10-213     630699.80        5374186.72      305.90           431.20      -57.00   0.00
BD10-232     631099.98        5374202.60      306.69           490.90      -60.00   0.00
BD10-222     630999.99        5374398.50      312.29           334.50      -60.00   0.00
BD10-231     630300.23        5374324.12      297.82           329.00      -74.00   180.00
BD10-235     631099.67        5374301.77      309.50           482.00      -60.00   0.00
BD10-264     630199.86        5374306.40      299.60           326.00      -78.00   180.00
BD10-220     629900.01        5374250.35      279.74           350.00      -60.00   0.00
BD10-246     630300.25        5374323.42      297.95           345.70      -51.00   180.00
BD10-248     630099.94        5374199.97      289.13           424.00      -68.00   0.00
BD10-252     630597.35        5374356.13      307.49           423.00      -56.00   180.00
BD10-253     630600.36        5374357.37      307.43           407.00      -60.00   0.00
BD10-258     630400.07        5374225.89      312.00           170.00      -53.00   180.00
BD10-265     630200.07        5374306.00      299.42           494.00      -61.00   0.00
BD10-249     630099.98        5374199.75      289.16           368.30      -77.00   0.00
BD10-242     630399.53        5374398.90      295.22           467.00      -60.00   0.00
BD10-281     630400.19        5374263.24      308.52           246.00      -60.00   180.00
BD10-243     630500.03        5374409.68      300.01           333.80      -60.00   0.00
BD10-255     630399.99        5374226.45      312.05           442.50      -63.00   0.00
BD10-266     630605.73        5374551.34      293.26           116.50      -60.00   354.00
BD10-273     630399.79        5374300.41      306.90           335.00      -60.00   180.00

SGS Canada Inc. – SGS Geostat
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             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
BD10-272     630600.19        5374299.99      311.96           260.00      -45.00   180.00
BD10-256     630399.99        5374226.25      312.02           425.40      -71.00   0.00
BD10-283     630204.80        5374242.83      303.10           200.00      -61.00   183.00
BD10-245     630300.08        5374323.59      297.88           433.90      -63.00   0.00
BD10-304     630196.01        5374209.29      298.71           340.00      -78.00   2.00
BD10-270     630300.09        5374351.14      295.89           187.70      -60.00   0.00
BD10-277     630600.38        5374399.69      305.13           311.00      -60.00   0.00
BD10-261     630799.90        5374140.60      298.32           438.00      -67.00   0.00
BD10-271     630600.05        5374300.63      311.81           443.00      -60.00   0.00
BD10-278     630600.26        5374398.36      305.26           461.00      -60.00   180.00
BD10-251     630597.25        5374355.67      307.53           371.00      -45.00   180.00
BD10-279     630600.28        5374398.15      305.25           431.00      -60.00   180.00
BD10-274     630399.81        5374300.70      306.89           380.00      -70.00   180.00
BD10-259     630700.17        5374140.20      303.43           441.00      -67.00   0.00
BD10-260     630700.12        5374139.98      303.45           420.00      -74.00   0.00
BD10-276     630400.00        5374300.38      306.96           461.00      -60.00   0.00
BD10-280     630400.32        5374263.51      308.63           455.00      -60.00   0.00
BD10-288     630300.08        5374289.95      310.01           206.00      -45.00   0.00
BD10-275     630399.80        5374300.91      306.97           406.80      -78.00   180.00
BD10-284     630503.86        5374271.42      316.84           488.00      -57.00   359.00
BD10-285     630503.77        5374271.15      316.85           458.00      -64.00   359.00
BD10-291     630504.03        5374342.52      306.82           395.00      -48.00   181.00
BD10-287     630100.17        5374233.65      289.41           221.00      -64.00   180.00
BD10-183     630499.64        5374199.15      307.90           411.00      -75.00   0.00
BD10-289     630300.04        5374290.98      309.92           373.41      -65.00   0.00
BD10-292     630503.98        5374342.90      306.66           410.00      -58.00   181.00
BD10-257     630399.98        5374226.09      312.00           410.00      -80.00   0.00
BD10-290     630504.07        5374344.39      306.67           466.30      -59.00   0.00
BD10-305     630195.74        5374208.25      298.40           107.00      -55.00   176.00
BD10-297     630399.69        5374570.91      292.22           37.00       -45.00   0.00
BD10-293     630504.09        5374270.57      316.77           302.90      -45.00   181.00
BD10-286     630100.04        5374236.33      289.60           488.00      -58.00   0.00
BD10-299     630106.38        5374305.93      293.37           170.00      -61.00   358.00
BD10-296     630199.81        5374450.13      286.44           283.80      -60.00   0.00
BD10-300     630106.36        5374305.52      293.16           338.00      -59.00   183.00
BD10-301     630106.37        5374305.29      293.27           374.00      -68.00   180.00
BD10-306     630399.92        5374330.08      305.27           350.00      -58.00   0.00
BD10-312     631300.06        5374150.94      294.06           264.00      -69.00   0.00
BD10-302     630195.98        5374209.74      298.80           470.00      -61.00   2.00
BD10-298     630399.91        5374559.28      292.76           131.00      -60.00   0.00
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             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
BD10-310     630600.10        5374214.97      315.62           150.00      -45.00   180.00
BD10-313     631300.05        5374150.65      294.05           303.00      -80.00   0.00
BD10-311     631299.99        5374151.46      294.10           147.00      -51.00   0.00
BD10-314     631199.94        5374150.59      297.74           129.00      -51.00   0.00
BD10-308     630600.48        5374215.70      315.51           431.20      -69.00   0.00
BD10-309     630600.46        5374215.46      315.62           417.00      -77.00   0.00
BD10-295     630299.75        5374400.56      292.64           401.00      -60.00   0.00
BD10-303     630196.01        5374209.56      298.58           431.10      -69.00   2.00
BD10-316     630100.23        5374499.06      281.28           341.20      -45.00   180.00
BD10-318     630150.13        5374484.34      285.31           138.41      -54.00   180.00
BD10-320     630149.95        5374487.43      285.28           95.11       -45.00   0.00
BD10-315     631199.93        5374150.07      297.75           330.00      -69.00   0.00
BD10-323     630014.79        5374500.27      280.36           252.00      -57.00   186.00
BD10-322     629949.98        5374437.71      281.30           171.00      -60.00   180.00
BD10-319     630150.17        5374484.80      285.11           320.00      -74.00   180.00
BD10-321     630149.98        5374486.97      285.28           98.00       -58.00   0.00
BD10-317     630100.19        5374499.71      281.21           194.00      -67.00   180.00
BD10-325     629974.50        5374587.09      280.11           114.00      -55.00   170.00
BD10-324     630008.06        5374479.58      281.68           108.00      -45.00   189.00
BD10-326     630049.95        5374480.13      282.24           150.20      -54.00   0.00
BD10-327     630050.35        5374496.79      280.55           117.00      -56.00   180.00
BD10-328     630050.26        5374496.89      280.45           111.00      -63.00   180.00
BD10-307     630600.42        5374215.87      315.63           480.00      -62.00   0.00
B08-03       630737.80        5374269.00      310.20           336.00      -70.00   170.00
B08-04       630887.65        5374245.54      305.32           201.00      -68.00   175.00
B08-05       630095.70        5374402.60      283.60           351.00      -65.90   158.31
B08-06       630078.50        5374375.40      284.10           219.80      -72.60   8.58
B08-07       630049.20        5374338.20      287.00           276.00      -68.00   172.00
B08-08A      630049.20        5374338.80      286.90           252.00      -68.60   355.44
B08-09       630056.90        5374282.40      288.00           132.00      -68.00   190.00
B08-10       630171.00        5374395.70      286.30           286.50      -69.00   355.00
B08-11       630214.82        5374403.45      287.80           309.00      -65.50   359.18
B08-12       630033.90        5374288.90      284.35           162.00      -70.00   198.00
B08-13       630044.40        5374377.80      282.00           264.00      -68.00   150.00
B08-14       630259.40        5374429.90      288.90           282.00      -57.00   345.00
B08-15       630681.10        5374239.50      314.30           177.00      -60.00   125.00
B08-16       630651.50        5374221.90      315.80           219.00      -59.00   177.00
B08-17       630690.50        5374271.50      314.20           333.00      -71.00   105.00
B08-18       630865.00        5374535.00      306.00           69.00       -45.00   5.00
B08-18A      630867.82        5374538.60      301.80           100.30      -60.00   355.00
SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star        Page 121
             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
B08-19       630772.90        5374290.70      305.80           315.00      -53.00   133.00
B08-20       630632.90        5374218.30      315.70           135.60      -49.00   180.00
B08-21       630881.40        5374313.60      311.90           126.00      -52.00   153.00
B08-22       630732.60        5374328.70      306.60           484.50      -68.00   173.00
B08-23       630642.40        5374262.00      315.90           390.00      -70.00   190.00
B08-24       630675.30        5374299.80      310.00           438.00      -68.00   158.00
B08-25       630600.30        5374239.40      316.40           303.00      -60.00   164.00
B08-26       630554.60        5374263.40      316.40           274.00      -54.00   190.00
B08-27       630510.40        5374276.70      315.70           300.00      -55.00   180.00
B08-28       630450.60        5374261.50      311.20           258.00      -60.00   140.00
B08-28A      630450.60        5374261.30      311.40           30.00       -54.10   149.26
B08-29       630726.00        5374394.00      309.90           40.00       -60.00   164.00
B08-29B      630725.70        5374392.70      309.90           564.00      -66.40   173.19
B08-30       629975.54        5374353.48      282.09           279.60      -70.00   340.00
B08-31       630006.50        5374375.50      282.50           69.00       -70.00   344.00
B08-33       630191.60        5374445.30      286.40           252.00      -60.00   0.00
B08-34       630230.00        5374448.50      287.90           123.00      -55.00   4.00
B08-35       630089.40        5374343.50      287.40           148.40      -72.00   357.00
B08-36       630308.50        5374445.20      291.40           411.00      -71.00   353.00
B08-37       630018.60        5374326.95      285.40           225.00      -69.30   351.43
B08-38       630050.70        5374277.30      287.40           309.00      -68.80   1.62
B08-39       630282.90        5374368.30      294.70           195.00      -70.00   335.00
B08-40       630641.30        5374373.10      306.10           486.00      -67.00   148.00
B08-41       630121.60        5374308.80      295.50           204.00      -70.00   347.00
B08-42       630610.50        5374296.20      312.40           525.00      -66.90   135.69
B08-43       630230.60        5374356.90      292.50           196.70      -70.00   346.00
B08-44       630579.40        5374272.80      315.10           429.00      -69.00   125.00
B08-45       630444.00        5374309.20      309.90           342.00      -65.20   186.22
B08-46       630688.30        5374339.10      309.20           456.00      -67.80   156.86
B08-47       630512.98        5374310.80      310.30           357.00      -65.90   164.57
B08-48       630600.20        5374357.20      307.70           183.00      -65.80   144.68
B08-48A      630584.20        5374376.60      306.00           456.00      -64.00   150.00
B08-49       630647.20        5374439.50      305.80           537.00      -63.00   160.00
B08-50       630323.00        5374383.70      295.00           154.00      -63.00   340.00
B08-51       630359.80        5374437.70      294.40           323.00      -64.00   6.00
B08-52       630288.40        5374404.70      291.90           150.80      -71.00   0.00
B08-53       630415.90        5374394.10      296.80           227.15      -65.00   355.00
B08-54       630454.80        5374377.30      298.00           417.00      -65.00   200.00
B08-55       630039.70        5374273.40      285.70           306.00      -60.00   345.00
B08-56       629974.00        5374357.60      282.00           253.20      -60.60   196.43
SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star        Page 122
             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
B08-57       630373.50        5374384.30      296.00           178.30      -65.90   347.56
B08-58       630463.00        5374380.40      298.30           360.00      -67.00   354.00
B08-59       630446.40        5374432.00      299.00           245.00      -51.00   359.00
B08-60       630396.80        5374329.70      306.60           372.00      -64.90   189.24
B08-61       630822.20        5374335.90      312.10           435.00      -59.30   173.45
B08-62       630877.40        5374341.60      314.00           540.00      -55.00   175.00
B08-63       630933.10        5374352.50      315.70           504.00      -55.00   175.00
B08-64       630448.70        5374305.80      310.10           366.00      -60.00   190.00
B08-65       630671.80        5374222.20      312.80           228.00      -50.00   145.00
B08-66       630671.30        5374222.90      312.80           171.00      -71.00   151.00
B08-67       630506.90        5374374.00      303.20           477.00      -67.00   348.00
B08-68       630546.20        5374376.40      304.90           300.00      -65.00   350.00
B08-69       630606.40        5374376.90      305.90           390.07      -65.00   351.00
B08-70       630537.90        5374439.80      301.90           330.00      -69.00   354.00
B08-71       630488.70        5374429.40      300.70           252.00      -55.00   350.00
B08-72       631323.70        5374282.10      301.50           258.00      -55.00   180.00
B08-73       631328.90        5374338.90      299.05           375.00      -65.00   180.00
B08-74       631261.72        5374329.01      302.08           366.00      -55.40   190.16
B08-75       631142.90        5374420.00      310.80           402.00      -55.00   5.00
B08-76       631145.10        5374443.31      308.60           391.50      -55.00   5.00
B08-77       631185.50        5374439.20      304.10           426.00      -55.00   355.00
B08-78       631209.40        5374333.80      306.10           372.00      -55.00   180.00
B08-79       631131.90        5374355.30      311.60           87.00       -60.00   185.00
B08-80       630398.70        5374430.50      298.40           334.40      -64.00   355.00
B08-81       630343.80        5374333.60      300.00           264.00      -69.90   342.19
B08-82       630082.90        5374286.80      290.00           279.90      -69.80   162.02
B08-83       630107.10        5374303.20      292.70           212.00      -69.20   163.51
B08-84       630140.75        5374309.78      298.50           243.00      -67.30   164.09
B08-85       630292.20        5374323.90      298.10           304.00      -70.00   346.00
B08-90       631037.50        5374358.40      312.40           48.50       -50.00   175.00
B08-91       631037.45        5374358.64      312.30           303.00      -60.00   175.00
B08-92       631229.77        5374440.91      300.37           237.00      -50.00   5.00
B09-01       631322.52        5374262.70      302.46           270.00      -50.00   180.00
B09-02       631281.70        5374432.00      293.80           321.00      -50.00   20.00
B09-03       631325.90        5374413.10      295.10           346.00      -50.00   10.00
B09-04       631319.20        5374264.10      302.60           258.00      -62.00   240.00
B09-05       631321.72        5374371.12      298.22           504.00      -60.00   360.00
B09-06       631260.00        5374293.20      304.30           256.50      -55.00   190.00
B09-07       631205.30        5374296.20      308.90           234.00      -55.00   180.00
B09-08       631214.24        5374370.92      305.78           402.00      -60.00   175.00
SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star        Page 123
             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
B09-09       631275.31        5374391.82      298.54           459.15      -50.00   360.00
B09-10       630010.40        5374293.50      282.80           195.00      -56.00   208.00
B09-100      630867.22        5374302.60      311.06           165.00      -53.80   349.83
B09-101      630888.00        5374331.90      313.35           150.00      -46.50   348.64
B09-102      630896.60        5374305.30      311.80           164.90      -53.40   347.10
B09-103      630914.58        5374333.83      314.01           156.00      -45.10   354.04
B09-104      630912.00        5374358.40      315.00           150.00      -44.40   354.40
B09-105      630933.07        5374343.35      314.80           160.00      -51.50   342.10
B09-106      630945.80        5374300.60      311.90           154.00      -45.80   342.04
B09-107      630928.50        5374367.40      314.60           171.00      -45.50   354.55
B09-108      630966.40        5374355.10      312.00           171.00      -53.20   353.70
B09-109      630989.80        5374372.60      311.90           216.00      -47.00   4.71
B09-11       630725.86        5374396.93      310.27           495.00      -60.00   360.00
B09-110      631076.61        5374450.96      309.27           339.00      -44.00   163.38
B09-12       630666.30        5374388.30      307.50           399.00      -60.70   350.45
B09-120      630990.21        5374349.57      312.05           231.00      -53.50   358.36
B09-121      631014.73        5374377.34      312.33           250.50      -47.90   353.25
B09-13       630773.76        5374398.90      312.45           438.00      -60.80   4.02
B09-14       630739.40        5374251.67      311.59           244.00      -55.20   171.74
B09-15       630820.60        5374418.30      313.30           337.00      -54.30   353.50
B09-16       631226.84        5374414.76      303.75           474.00      -50.00   170.00
B09-17       631154.73        5374323.93      309.49           357.00      -60.00   190.00
B09-18       631270.60        5374368.40      299.40           507.00      -55.00   350.00
B09-19       631111.17        5374318.37      310.93           330.00      -55.00   180.00
B09-20       631265.65        5374330.33      301.50           482.50      -52.00   342.90
B09-21       630965.34        5374365.99      312.32           324.00      -51.80   170.00
B09-22       630973.65        5374324.06      313.17           246.00      -49.60   175.07
B09-23       631022.45        5374310.41      312.59           209.00      -51.00   174.80
B09-24       631223.56        5374393.76      305.41           453.00      -59.90   357.55
B09-25       631041.26        5374398.84      310.62           606.00      -60.50   177.80
B09-26       631107.48        5374275.12      309.46           214.00      -49.70   172.28
B09-27       631167.49        5374375.44      310.29           507.00      -59.80   2.33
B09-28       631130.05        5374363.05      312.49           330.00      -60.30   195.48
B09-29       631139.25        5374376.39      312.63           516.00      -60.10   3.28
B09-30       630721.69        5374432.84      311.17           283.00      -54.70   357.50
B09-31       630774.40        5374443.40      315.00           408.30      -60.90   341.80
B09-32       630826.23        5374367.05      314.16           448.00      -67.00   357.40
B09-33       630820.73        5374463.14      313.52           368.00      -65.00   340.88
B09-34       630875.97        5374459.50      311.55           313.50      -65.10   343.37
B09-35       630874.00        5374414.78      312.14           321.30      -60.30   353.49
SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star        Page 124
             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
B09-36       631167.19        5374373.03      310.30           360.00      -61.00   184.46
B09-37       630958.52        5374414.22      314.46           429.00      -60.30   173.85
B09-38       631142.01        5374274.63      310.31           306.00      -59.40   192.30
B09-39       630912.97        5374373.40      314.42           523.00      -59.10   171.55
B09-40       631092.88        5374361.51      313.45           609.00      -60.00   165.22
B09-41       630925.62        5374424.58      312.48           591.00      -60.20   166.90
B09-42       630073.12        5374397.92      282.72           297.00      -88.80   0.00
B09-43       630072.94        5374398.34      282.78           336.00      -59.70   335.22
B09-44       630087.91        5374421.36      283.44           210.00      -88.90   0.00
B09-45       630087.65        5374421.77      283.89           246.00      -61.10   324.19
B09-46       630651.64        5374221.45      315.94           207.00      -44.10   170.70
B09-47       630871.20        5374450.26      311.81           609.00      -60.00   179.52
B09-48       630691.70        5374270.80      314.30           318.00      -45.20   123.10
B09-49       630870.60        5374412.60      312.10           591.00      -59.00   180.33
B09-50       630873.12        5374364.40      314.82           621.00      -64.50   354.72
B09-51       631337.44        5374289.17      301.82           221.50      -54.20   157.91
B09-52       630763.08        5374444.24      313.69           558.00      -55.70   167.25
B09-53       630819.29        5374444.89      314.05           579.00      -55.70   176.14
B09-54       630048.60        5374369.50      283.30           107.00      -64.00   326.51
B09-55       630006.77        5374350.17      283.49           106.40      -64.30   359.08
B09-56       629974.56        5374324.17      282.00           60.00       -90.00   170.00
B09-56A      629974.56        5374324.17      282.00           225.00      -90.00   270.00
B09-57       629974.38        5374324.84      282.13           219.00      -59.40   342.44
B09-58       630007.35        5374348.75      283.66           240.00      -89.40   0.00
B09-59       629974.55        5374324.28      282.16           240.00      -77.60   340.50
B09-60       629974.80        5374321.77      282.02           247.00      -67.60   162.14
B09-61       629926.80        5374341.79      281.76           123.00      -65.60   339.75
B09-62       630819.28        5374103.24      297.80           300.00      -56.10   191.09
B09-63       629943.68        5374117.27      283.75           404.00      -54.00   325.51
B09-64       630022.26        5374531.50      279.80           123.00      -51.60   139.19
B09-65       630038.08        5374511.69      280.57           338.60      -53.00   316.90
B09-67       630964.12        5374377.77      313.11           200.00      -45.70   348.37
B09-68       630021.61        5374530.91      279.95           200.00      -65.00   136.56
B09-69       630036.78        5374515.80      280.31           183.00      -47.00   133.96
B09-70       630780.05        5374383.69      311.62           151.00      -44.90   149.43
B09-71       630770.53        5374397.47      312.09           189.00      -54.80   149.35
B09-72       630800.47        5374383.81      313.18           156.00      -42.00   147.98
B09-73       630782.60        5374412.61      313.31           195.00      -54.10   153.50
B09-74       630804.86        5374420.84      313.17           201.00      -52.80   166.69
B09-75       630808.01        5374402.71      314.14           195.00      -44.10   169.79
SGS Canada Inc. – SGS Geostat
Mineral Resource Estimation – Beattie Property – Osisko and Clifton Star        Page 125
             LOCATION         LOCATION        LOCATION         LENGT                AZIMUT
HOLE-ID      X                Y               Z                H           DIP      H
B09-76       630833.90        5374407.16      314.20           156.00      -45.80   171.80
B09-77       630829.76        5374423.73      313.33           240.00      -54.70   165.92
B09-78       630855.64        5374409.81      313.03           168.00      -45.30   168.12
B09-79       630852.08        5374435.59      312.13           297.00      -55.70   170.32
B09-80       630123.41        5374301.76      295.79           182.00      -46.80   155.45
B09-81       629962.89        5374471.26      282.13           110.00      -46.20   125.04
B09-82       629918.10        5374453.90      281.05           97.00       -45.50   128.66
B09-83       630000.70        5374493.10      280.10           189.00      -45.40   121.90
B09-84       629991.11        5374283.41      282.94           180.00      -50.40   156.17
B09-85       630813.18        5374328.41      310.35           171.00      -46.80   345.50
B09-86       630838.30        5374328.40      311.90           150.00      -42.10   357.42
B09-87       630817.26        5374304.15      306.40           227.00      -54.00   345.55
B09-88       630839.60        5374305.25      309.25           240.00      -54.40   352.40
B09-90       630881.20        5374421.20      311.10           234.00      -44.50   165.30
B09-91       630904.20        5374430.60      309.60           227.10      -44.50   166.80
B09-92       630901.71        5374451.18      308.21           237.00      -55.20   178.13
B09-93       630925.10        5374424.20      312.20           208.50      -43.90   171.36
B09-94       630916.90        5374448.30      308.20           206.70      -54.60   172.05
B09-95       630946.81        5374432.45      312.70           209.50      -44.70   164.64
B09-96       631006.50        5374440.60      309.10           168.00      -44.70   182.20
B09-97       630974.60        5374437.60      310.90           225.10      -43.00   178.17
B09-98       631029.63        5374447.73      308.00           174.00      -45.00   182.49
B09-99A      631058.01        5374445.20      309.08           213.00      -44.90   179.12
B09-89       630863.70        5374324.50      312.70           180.00      -46.00   344.63




SGS Canada Inc. – SGS Geostat

								
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