Copper 99 Attendees List by luk10459

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									                                           Copper 99 Attendees List

Nedam Abed                          Taro Aichi                              Cesar Amable
Student                             4310 Maple St                           Heckett Multiserv
Univ of British Columbia            Vancouver, BC V6J 3W1                   612 North Main Street
309 - 6350 Stores Rd                canada                                  Butler, PA 16003
Vancouver, BC V6T 1Z4               Phone: (604) 261-5987                   Phone: 724-283-6909
CANADA                              Fax:    (604) 264-5987                  Fax:    724-283-3578
Phone: (604)822-1357                Email: aichit@interchange.ubc.ca        Email: caamable@yahoo.com
Fax:    (604)822-3619
Email: nedam@interchange.ubc.ca


Rodrigo F. Abel                     Luis Albornoz Rojas                     Hossein Aminian
Electrical Engineering Mgr          Chief Maintenance Refractory            Laval Univ
Empresa Nacional De Mineria         CIA Minera Disputada Las Condes         Dept of Min & Met
Fundicion Y Refinera Ventanas       Marchant Pereira 221 Piso 2             Ste-Foy, PQ G1K 7P4
Puchincani                          Santiago                                Canada
Region IV                           Chile                                   Phone: (418) 656-4839
Chile                               Phone: 011-562-350-8470                 Fax:    (418)656-5343
Phone: 011-56-32-933-384            Fax:    011-562-350-8461                Email: haminian@gmn.ulaval.ca
Fax:    011-56-32-933-491           Email: ewolf@ccc.cl
Email: rabel@enami.cl
Ivan Adair                          Erlander M. Alcantara                   Arlene F. Anderson
Mgr - Process Mineralogy            Engineer                                Mining Team Process Lead
Rio Tinto Rsch & Technology         Caraiba Metals SA                       US DOE
1 Research Ave                      Via Do Cobre 3700                       EE-22
Bundora                             Dias D'Avila                            1000 Independence Ave SW
Melbourne, 3083                     Bahia, 42850                            Washington, DC 20585
Australia                           Brazil                                  Phone: (202)586-3818
Phone: 011-613-9242-3236            Phone: 011-55-71-834-1458               Fax:    (202)586-3237
Fax:    011-613-9242-3222           Fax:   011-55-71-832-2070               Email: arlene.anderson@ee.doe.gov
Email: ivan.adair@riotinto.com.au   Email: erlanderalcantara.caraiba@para
Bradley R. Adams                    Michel P. Allibert                      Corby G. Anderson
Vice President                      CNRS                                    Director
Reaction Engrg Intl                 ENSEEG BP 75                            Montana Tech
77 W 200 S                          St Martin DHeres, 38402                 Ctr for Adv Min & Met Processing
Suite 210                           FRANCE                                  1300 W Park St Rm 221 ELC Bldg
Salt Lake City, UT 84101-1609       Phone: 011-33-47-682-6621               Butte, MT 59701-8997
Phone: (801)364-6925                Fax:    011-33-47-682-6620              Phone: (406)496-4794
Fax:    (801)364-6977               Email: malliber@ltpcm.inpg.fr           Fax:     (406)496-4794
Email: adams@reaction-eng.com                                               Email: canderson@mtech.edu


Jason R. Addison                    Ruben R. Alvarado                       Erland Anderson
Metallurgist                        Smelter Manager                         Nord Resources Corp
Phelps Dodge Morenci Inc            Codelco Chile                           9947 N. Calle Solano
4521 US Highway 191                 Division El Teniente                    Oro Valley, AZ 85737
Morenci, AZ 85540-9700              Millan 1020
Phone: (520) 865-6456               Rancagua, 1020
Fax:    (520) 865-2234              Chile
Email: jaddison@phelpsdodge.com     Phone: 011-56-72-295419
                                    Fax:    011-56-72-295346
                                    Email: ralvarad@tte.codelco.cl




10/26/99                                                                          Page 1 of 42
Erle Anderson                         Jose Harwel Arango               Jose Carlos Arroyo
Director - Industry Marketing         Sr Metallurgist                  Metallurgical Engineer
Emerson Electric                      Sociedad Minera Cerro Verde SA   BHP Minerals
9999 Highway 48                       Ave Alfonso Ugarde #304          204 Edison Way
Markham, ON L3P 3J3                   Arequipa                         Reno, NV 89502
Canada                                Peru                             Phone: (702)857-3508
Fax:    (905) 475-4679                Phone: 011-52-54-283363          Fax:    (702)856-1619
                                      Fax:    011-51-54-283390         Email: arroyo.carlos.jc@bhp.com.au
                                      Email: jarango@cyprus.com.pe


Charles Andress                       Cristian Araya                   Morris E. Arthur
Cytec Industries Inc                  Process Specialist               12102 Calle de Maria
16710 Hedgecroft #100                 Kvaerner Metals                  San Diego, CA 92128-2720
Houston, TX 77060                     NA Tajanar 481 Piso 19           Phone: (858) 451-5791
Phone: 281-448-8964                   Las Condes                       Fax:    (786) 551-2433
Fax:    281-448-6039                  Santiago                         Email: aemorris@email.msn.com
Email: Charles_Andress@gm.cytec.com   Chile
                                      Phone: 011-562-336-3600
                                      Fax:    011-562-336-3632
                                      Email: carayal@hotmail.com
Hale Andrews                          Gabriel Araya                    Philip S. Arthur
Securities Institute of Australia     Henkel Corp                      Principal Metallurgist
1350 E. Paseo Pavon                   El Yodo #7749                    MIM Process Technologies
Sydney, 2000                          Antofagasta                      Isasmelt Marketing
Australia                             Chile                            Level 2 87 Wickham Tce
Phone: (520) 575-8467                 Phone: 011-56-55-236-836         Brisbane, 4000
Fax:    011-61-2-9251-6287            Fax:    011-56-55-237696         Australia
                                                                       Phone: 011-617-3833-8518
                                                                       Fax:    011-617-3833-8555
                                                                       Email: p.s.arthur@mim.com.au
Jyrki P. Anjala                       Horacio N. Arias                 Jussi Asteljoki
Senior Process Engineer               General Mgr                      Senior VP - Corporate R&D
The Winters Company                   Compania Minera Zaldivar         Outokumpu Oyj
5151 E Broadway Blvd Ste 900          Ave Balmaceda 2536 4th Piso      PO Box 140
Tucson, AZ 85711-3784                 Antofagasta                      Espoo, FIN-02201
Phone: (520)519-3002                  Chile                            FINLAND
Fax:     (520)745-8470                Phone: 011-56-55-205-159         Phone: 011-358-9-421-2879
Email: janjala@twceng.com             Fax:   011-56-55-205-091         Fax:    011-358-9-421-3890
                                                                       Email: jussi.asteljoki@outokumpu.com


Yrjo E. Anjala                        Wayne Armstrong                  Tomas Maximo Astorga
Marketing Director                    ISA Process Marketing Exec.      Sr Advisor
Outokumpu                             MIM Holdings                     Ministry of Mining - Chile
PO Box 862                            PO Box 5484 MC                   Fl 9
Espoo, 02201                          Townsville                       Teatinos 120
FINLAND                               Queensland, 4810                 Santiago
Phone: (358)088-8143-5                Australia                        Chile
Fax:    (358)042-1397-3               Phone: 011-61-7-47818211         Phone: 011-562-671-2488
                                      Fax:    011-61-7-47782308        Fax:    011-562-688-7569
                                      Email: armstrong@mim.com.au      Email: gemeed@revno.cl
Olli Antola                           Freddy Aroca                     Ricardo Badilla-ohlbaum
Project Mgr                           Anaconda Chile                   Executive Dir & CEO
Paul Wurth SA                         Ahunada 11 Piso 6                Chilean Ctr for Min & Met Rsch
32 Rue D'Alsace                       Santiago                         Avda Parque A Rabat 6500
1122                                  Chile                            Vitacura
Luxembourg                            Phone: 011-562-240-5000          Santiago, 6671204
Phone: 011-352-4970-659               Fax:   011-562-699-3938          Chile
Fax:    011-352-4970-709                                               Phone: 011 56 2 3603500
                                                                       Fax:    011 56 2 3643504
                                                                       Email: rbadilla@cimm.cl



 10/26/99                                                                     Page 2 of 42
Fidel L. Baez                         Derek J. Barratt                    Osualdo A. Bascur
General Manager                       Sr Consultant Grinding Systems      Sr Industry Mgr
Codelco Chile Div Salvador            Fluor Daniel Wright Ltd             OST Software Inc
Avda Bernardo O'Higgins 101           1075 W Georgia St                   35N Cochran's Green Ct
El Salvador                           Vancouver, BC V6E 4M7               The Woodlands, TX 77381
Region De Atacama                     Canada                              Phone: (409) 273-5434
Chile                                 Phone: (604) 488-2091               Fax:    (409) 321-2769
Phone: 011-56-52-472510               Fax:    (604) 488-2027              Email: osualdo@osisoft.com
Fax:     011-56-52-472514             Email: derek.barratt@fluor.com
Email: fbaez@salv.codelco.cl
Richard Bailey                        Marty W. Barrett                    Murray D. Bath
Continental Conveyor & Equipment      Pres. - Specialty Equipment Grp     VP - Engineering
274 Union Blvd                        CTI                                 Geobiotics Inc
Lakewood, CO 80228                    Suite 2280                          1819 Denver West Dr
                                      2121 San Jacinto St                 #225
                                      Dallas, TX 75201                    Golden, CO 80401-3146
                                      Phone: (214) 953-4684               Phone: (303) 277-0302
                                      Fax:    (214) 953-4685              Fax:   (303) 277-1772
                                      Email: martybarre@aol.com


Gustavo Bannach                       Thomas Barrett                      John D. Batty
Project Mgr                           Sr Tech Service Chemist             Process Mgr
Anaconda Chile                        3M Co                               Billiton SA
Ahumada 11 6th Floor                  Specialty Matls Div                 6 Hollard St
Santiago                              3M Ctr Bldg 236-2A-01               Johannesburg, 2001
Chile                                 St Paul, MN                         Republic of South Africa
Phone: 011-562-240-5234               Phone: (651) 736-0075               Phone: 011-27-11-376-3154
Fax:    011-562-241-1334              Fax:    (651) 733-4335              Fax:     011-27-11-376-3596
Email: hbannach@anaconda.cl           Email: tmbarrett@mmm.com            Email: jbatty@billiton.ca.za


Carlos A. Barahona Morales            Patricio Barrios                    Kathy Bauer
Sr Process Engineer                   Vice President Operations           Tomsha Associates
CIA Minera Disputada Las Condes Ltd   Atlantic Copper SA                  1438 W San Lucas Dr
Marchant Pereira 221 Piso 2           Avda Fco Montenegro S/N             Tucson, AZ 85704
Santiago                              Huelva, 21001                       Phone: (520) 742-3440
Chile                                 Spain                               Fax:    (520) 742-9457
Phone: 011-562-350-8470               Phone: 011-34-59-210-600            Email: tlywork@aol.com
Fax:    011-562-350-8461              Fax:     011-34-59-210-762
Email: ewolf@ccc.cl


Donald B. Barber, Jr.                 John T. Bartlett                    Wolfgang Baum
President                             Owner                               Chief Mineralogist
Barber-Webb Co                        PROWARE                             PMET Inc
3833 Medford St                       4611 E Blue Mountain Dr             700 5th Ave
Los Angeles, CA 90063-1940            Tucson, AZ 85718-3560               New Brighton, PA 15066-1837
Phone: (323)264-4800                  Phone: (520)299-7834                Phone: (724)843-5000
Fax:   (323)260-7164                  Fax:    (520)299-8009               Fax:    (724)843-5353
                                      Email: metsim@primenet.com          Email: wolfgang@pmet-inc.com



Howard Bardwell                       Mark Bartlett                       Tony Baus
597 W 100 S                           Superintendent - Leach Stockpiles   Rebuild Operations Manager
Hurricane, UT 84737-1994              Phelps Dodge Morenci Inc            BHP
Phone: (435)635-5435                  4521 Hwy 191                        PO Box M
Email: hbardwell@redrock.net          Morenci, AZ 85540                   Smelter Division
                                      Phone: (520) 865-6647               San Manuel, AZ 85631-0460
                                      Fax:    (520) 865-2434              Phone: (520)385-3789
                                      Email: mbartlett@phelpsdodge.com    Fax:   (520)385-3790




10/26/99                                                                         Page 3 of 42
Dany Beaudoin                        Jon M. Berkoe                    Prabir R. Bhowal
Metallurgist                         Principal Engr                   Staff Engineer
Noranda                              Bechtel Corp                     Pratt & Whitney
240 Hymus Blvd                       45 Fremont St Fl 14              505 Dahlia Circle
Pointe-Claire, PQ H9R 1G5            San Francisco, CA 94105-2204     Dayton, NJ 08810
Canada                               Phone: (415) 768-2149
Phone: (514) 630-9450                Fax:    (415) 768-1794
Fax:    (514) 630-9379               Email: jberkoe@bechtel.com
Email: danyb@ntc.noranda.com


Jennifer Becker                      Mike Bernard                     Mirostaw Bilinski
Cyprus Climax                        Terra Nova Technologies          President
PO Box 1126                          435 W Bradley Ave                KGHM Polska Miedz SA
Tucson, AZ 85622                     El Cajon, CA 92020               48 MC Skiodowskiej St
Phone: 520-648-8708                  Phone: 619-440-5003              Lubin, 59-301
Fax:    520-625-2628                 Fax:    619-440-5803             Poland
                                     Email: mike.bernard@agra.com     Phone: 011-48-76-8478301
                                                                      Fax:   011-48-76-8478502
                                                                      Email: m.bilinski@b1.kghm.com.pl


Jaime A. Beddings                    Ron Bernard                      Alan H Binegar
Representative                       VP Sales & Marketing             Pyromet Technical Operations Mgr
SMS - Demag AG                       H W Process Technologies Inc     Cyprus Miami Mining Corp
Av San Hueza 55-303A                 1208 Quail St                    PO Box 4444
Concepcion                           Lakewood, CO 80215-4418          Claypool, AZ 85532-4444
Chile                                Phone: (303)234-0273             Phone: (520)473-7451
Phone: 011-56-41-331-380             Fax:    (303)237-9868            Fax:   (520)473-7031
Fax:   011-56-41-331-380             Email: colorado.skier@msn.com    Email: abinegar@cyprus.com
Email: beddings@chilesat.net


Flavio Begazo                        Fernando Bezanilla               Julio Binvignat
Southern Peru Copper Corp            Braun Comercial                  Strategic Planning & Project Devel
180 Maiden Ln                        M. Rivas Vicuna 346              Compania Minera Zaldivar
New York, NY 10038-4925              Santiago,                        Ave El Bisque Sur 130 Piso 6
Phone: (212)510-1893                 Chile                            Las Condes
Fax:    (212)510-1887                Phone: 56-2-7413169              Santiago
Email: fbegazo@southernperu.com.pe   Fax:   56-2-7414392              Chile
                                     Email: brauncom@entelchile.net   Phone: 011-562-240-8862
                                                                      Fax:    011-562-240-8888
                                                                      Email: julio.binvignat@outokumpu.com
Chris Bennett                        Roshan B. Bhappu                 Marshall D. Bishop
Minnovex Technologies Inc            President                        Mining Chemicals Mgr
Toronto, Ont M3k 1G1                 Mountain States R&D Intl Inc     Phillips Mining Chemicals
Canada                               PO Box 310                       1768 Highway 123
                                     13801 E Benson Hwy               Bartlesville, OK 74004
                                     Vail, AZ 85641-0310              Phone: (918) 661-9380
                                     Phone: (602)762-5364             Fax:     (918) 662-5201
                                     Fax:    (602)762-5717            Email: mdbisho@ppco.com
                                     Email: rbhappu@aol.com


Roman M. Berezowsky                  Ross R. Bhappu                   Daniel L. Blakeman
Dynatec Corp                         CEO                              Project Manager
8301 113 St                          GTN Copper Corp                  Jacobs Engineering
Fort Saskatchewan, ALB T8L 4K7       13111 E Briarwood Ave Ste 370    Suite 3200
CANADA                               Englewood, CO 80112-3913         1670 Broadway
Phone: (780)992-8186                 Phone: (303) 790-7100            Denver, CO 80202
Fax:    (780)992-8100                Fax:    (303) 790-7111           Phone: (303) 860-2900
Email: rberezow@mettech.dynatec.ca   Email: rrbhappu@aol.com          Fax:    (303) 860-2999




10/26/99                                                                     Page 4 of 42
Pete R. Bogdan                   Steve C. Brady                   Michael J. Brooks
Production Superintendent        VP - Business Development        Enviromet Consultants
Cyprus Miami Mining Corp         Geobiotics Inc                   S'Huesli
628 E Skyline Dr                 1819 Denver West Dr              Sole St
Globe, AZ 85501-2051             #225                             Cobham, Kent, DA12 3AY
Phone: (520) 473-7461            Golden, CO 80401-3146            United Kingdom
Fax:    (520) 473-7031           Phone: (303)277-0300             Phone: 011-44-1474-814536
Email: pbogdan@cyprus.com        Fax:    (303)277-1772            Fax:    011-44-1474-814536
                                                                  Email: michael_j_brooks@compuserve.


Jose Luis Bonano Morueta         Verdella R. Brenson              Carl W. Brown, Jr.
Director of Smelter Production   Account Mgr                      Research Supr
Atlantic Copper SA               PQ Corp                          Eltech Systems Corp
Av Francisco Montenegro S/N      4971 Lorraine Dr                 625 East St
Huelva, 21001                    San Diego, CA 92115              Fairport Harbor, OH 44077-5668
Spain                            Phone: (619) 286-3681            Phone: (440) 357-4026
Phone: 011-34-959-210690         Fax:    (619) 286-1604           Fax:    (440) 357-4077
Fax:     011-34-959-210760       Email: vbrenso@pqcorp.com        Email: cwb@eltechsystems.com



Frank Boniakowski                Roderick Brew                    Steven Ray Brown
Dir of Operations                BRM Technology Mgr               President
Produ-Kake Canada                MIM                              Performance Assoc Intl
3285 Mainway Unit 4              Botany Rd                        760 E Pusch View Ln
Burlington, ON L7M 1A6           Northfleet                       Tucson, AZ 85737
Canada                           Kent, TN4 ONX                    Phone: (520) 544-2220
Phone: (905) 335-1156            United Kingdom                   Fax:   (520) 544-2255
Fax:    (905) 335-8022           Phone: 011-44-1474-538320        Email: srbrown@perfnet.com
Email: wgn@netcom.ca             Fax:    011-44-1474-538326


John Bosscher                    Corale Louise Brierley           Thomas J. Bruce
Project Manager                  Principal                        Technical Mgr
Aisco Systems Inc                Brierley Consultancy LLC         Cytec Canada Inc
1551 Corporate Dr                PO Box 260012                    470 the Queensway South
Box 655                          Highlands Ranch, CO 80163        Keswick, ON L4P 2E1
Burlington, ON L7R 3Y5           Phone: (303) 683-0074            Canada
Canada                           Fax:    (303) 683-1944           Phone: (905) 989-2512
Phone: (905)335-0002             Email: clbrierley@msn.com        Fax:    (905) 989-2513
Fax:    (905) 355-9643                                            Email: tom_bruce@we.cytec.com


Ken L. Boyd                      Petra Brodin                     Gerry Brunskill
Mgr - Material Handling          Boliden Mineral                  Mgr - Concentrator Operations
Agra Simons                      Stensund 4                       BHP Copper
111 Dunsmuir St Suite 400        Boliden, 93691                   PO Box M
Vancouver, BC V6B 5W3            Sweden                           San Manuel, AZ 85631
Canada                           Phone: 46-91050206               Phone: (520) 385-3241
Phone: (604) 664-3081            Fax:    46-910774110             Fax:   (520) 385-3810
Fax:    (604) 664-3057           Email: petra.brodin@bdiden.se    Email: brunskill.gerald.gr@bhp.com.au
Email: kboyd@hasimons.com


Terry F. Braden                  Jose Broitman                    Albert Bruynesteyn
Mgr of Automation                President                        2175 Greylynn Crescent
Outokumpu Mintec USA Inc         CTI Ancor                        North Vancouver, BC V7J 2X6
109 Inverness Dr East            2121 San Jacinto Ave             Canada
Suite F                          Suite 2500                       Phone: (604) 987-4189
Englewood, CO 80112              Dallas, TX 75201                 Fax:    (604) 987-5124
Phone: (303) 792-3110            Phone: (214) 953-4682            Email: goldbug@bc.sympatico.ca
Fax:    (303) 799-6892           Fax:    (214) 953-4685
                                 Email: jbroitma@gix-global.com




10/26/99                                                                 Page 5 of 42
John W. Bryant                           Rene Bustamante                         Joseph Colin Campbell
422 E Lazy Horse Pl                      Ingeniero                               General Supr Leaching Crushing
Tucson, AZ 85704-7215                    Casilla 10233                           Sociedad Minera Cerro Verde SA
                                         Santiago, 10233                         Av Alfonso Ugarte #304
                                         Chile                                   Arequipa
                                         Phone: 011 56 6811545                   Peru
                                         Fax:    011 56 6811545                  Phone: 011-51-54-283363
                                         Email: rbustama@lauca.usach.cl          Fax:    011-51-54-283390
                                                                                 Email: jcampbell@cyprus.com.pe


Cesar B. Buccat                          Alejandro A. Bustos                     Neil F. Campbell
AVP                                      Tech Manager - Non Ferrous              Dir Business Development
PASAR Corp                               Air Liquide America Corp                Fluor Daniel
Lide                                     Suite 1700                              1075 W Gerogia St
Isabel                                   1250 Rene Levesque West                 Vancouver, BC V6E 4M7
Leyte, 6539                              Montreal, PQ H3B 5E6                    Canada
Philippines                              Canada                                  Phone: (604) 488-2254
Phone: 011-632-253-1234                  Phone: (514)846-6154                    Fax:    (604) 488-2010
Fax:    011-632-897-3228                 Fax:    (514)846-3915                   Email: neil.campbell@fluordaniel.com
                                         Email: alejandro.bustos@airliquide.co
Julia Rose Budden                        Sergio Bustos                           Rene Canello
Senior Engineer                          Mgr Hydrometallurgy                     Process Plant Mgr
BHP Minerals                             Lakefield Rsch Chile SA                 SCM El Abra
204 Edison Way                           Los Ebanistas 8585                      P O Box 79
Reno, NV 89502-2306                      La Reina                                Casilla 79
Phone: (775) 858-3780                    Santiago, 6880762                       Calama II Region
Fax:    (775) 856-1619                   CHILE                                   Chile
Email: budden.julia.jr@bhp.com.au        Phone: 011 56 2 2730487                 Phone: 011-56-55-387702
                                         Fax:    011 56 2 2730250                Fax:    011-56-55-348741
                                         Email: sbustos@lakefield.com            Email: rcanello@cyprus.com
Cees J Buisman                           Thierry P.A. Caeymaex                   Barry E. Carroll
Managing Director                        Sr Vice President                       District Mgr
Paques Bio Systems                       Union Miniere                           Ahlstrom Pumps Corp
PO Box 52                                Waterbren Str 33                        2822 Sierra Canyon Way
Balk                                     Olen                                    Hacienda Heights, CA 91745-6526
Friesland, 8560 AB                       Antwerp, 2250                           Phone: (626) 330-2303
Netherlands                              Belgium                                 Fax:     (626) 330-3803
Phone: 011-31-514-608500                 Phone: 011-32-14-245302                 Email: barry.carroll@ahlstrom.com
Fax:    011-31-514-608666                Fax:    011-32-14-232450
                                         Email: thierry.caeymaex.um.be
Michael J. Bunch                         Grant Caffery                           Vern Carter
Mine/SXEW Manager                        University of British Columbia          Copper Product Sales Mgr
Cyprus Sierrita Corp                     203-1855 W 8th Avenue                   Aisco Systems Inc
PO Box 527                               Vancouver, BC V6J 1V9                   PO Box 655
Green Valley, AZ 85622-0527              Canada                                  Burlington, ON L7R 3Y5
Phone: (520) 648-8515                    Phone: 604-739-6170                     Canada
Fax:   (520) 648-8834                    Email: vicatg@cmpe.ubc.ca               Phone: (905)335-0002
Email: mbunch@cyprus.com                                                         Fax:    (905)335-9643
                                                                                 Email: sales@aiscosystems.com


Debra J. Burkhardt                       Gary Campbell                           Danny I. Castillo
Process Engineer                         Prof. of Mineral Economics              Project Metallurgist
Fluor Daniel                             Michigan Tech Univ                      Minera Escoudida Ltd
1075 W Georgia St                        SBE                                     Ave. La Minera 501
Vancouver, BC V6E 4M7                    1400 Townsend Dr                        Antofagasta
Canada                                   Houghton, MI 49931                      Chile
Phone: (604) 488-2113                    Phone: (906)487-2808                    Phone: 011-56-55-203-770
Fax:   (604) 488-2027                    Fax:     (906)487-2944                  Fax:    011-56-55-201-512
Email: debra.burkhardt@fluordaniel.com   Email: gacampbe@mtu.edu                 Email: castillo.danny.da@bhp.com.au




10/26/99                                                                                Page 6 of 42
Sergio Castro                        Pete J. Chen                          Cha Sil Choi
Professor                            Dir, Special Projects & Smelter Dev   Manager
Univ De Concepcion                   Phelphs Dodge Mining Co               LG-Nikko Inc
Edmundo Larenas 270                  6522 N 26th St                        70 Daejung-Ri
Concepcion                           Phoenix, AZ 85016-8937                Onsan-Eup
Chile                                Phone: (602) 957-4958                 Ulsu-Kun, Ulsan, 689-890
Phone: 011-56-41-204956              Fax:    (602) 234-8095                Korea
Fax:   011-56-41-243418                                                    Phone: 011-82-52-231-0461
Email: scastro@udec.cl                                                     Fax:    011-82-52-231-0106
                                                                           Email: cschoi@lgnikko.com
Maruo Cerpa Amado                    Shaolong Chen                         Michael A. Chubb
Plant Manager                        Project Mgr                           Business Development Mgr
Sociedad Minera Cerro Verde SA       Kumera Corp                           SGS Group
Ave Alfonso Ugarte 304               Kumerankatu 2                         4665 Paris St # B-200
Arequipa                             Riihimaki, FIN-11100                  Denver, CO 80239-3126
Peru                                 Finland                               Phone: (303) 373-4772
Phone: 011-51-54-283363              Phone: 011-358-9-749265               Fax:   (303) 373-4884
Fax:    011-51-54-282341             Fax:    011-358-9-749320              Email: michael_chubb@sgsgroup.com
Email: sxew@cyprus.com.pe


Robert D. Chambers                   Tzong T. Chen                         Gerardo Cifuentes
Fosbel Inc                           Rsch Scientist                        Univ of Santiago Chile
640 North Rocky River Dr             Canmet                                Avda LB O'Higgins 3363
Berea, OH 44017                      555 Booth St                          Santiago
Phone: (440)891-0892                 Ottawa, ON K1A 0G1                    CHILE
Fax:    (440)891-0899                Canada                                Phone: 011-562-764-5883
Email: bob_chambers@BurmahCastrol.   Phone: (613)995-9490                  Fax:    011-562-776-5433
       com                           Fax:    (613)996-9673                 Email: gcifuent@lauca.usach.cl
                                     Email: tchen@nrcan.gc.ca


Keith Chan                           Robert James Chesher                  Luis Cifuentes
Analyst                              Tankhouse Business Team Ldr           Professor
WR Huff Assest Management            BHP Copper                            Univ De Chile
67 Park Place, 9th Floor             North America-San Manuel              Tupper 2069
Morristown, NJ 07960                 PO Box M                              Santiago
Phone: (973) 490-6188                San Manuel, AZ 85631                  Chile
Fax:    (973) 984-5818               Phone: (520)385-3394                  Phone: 011-562-678-4503
Email: keithkchan@hotmail.com        Fax:    (520)385-3608                 Fax:    011-562-672-3504
                                                                           Email: luicifue@cec.uchile.cl


Mario Chapados                       Tatiana V. Chnyrenkova                Ricardo Cifuentes
General Manager                      Process Engr                          BetzDearborn Inc.
Noranda Inc                          Bechtel Corp                          Avenida La Travessia 6967
101 Portelance Avenue                7229 S Alton Way                      Parque Industrial Inverterra - Padahuel
Rouyn-Noranda, PQ J9X 5B6            Englewood, CO 80112-2202              Santiago
Canada                               Phone: (303) 485-6058                 Chile
Phone: (819) 762-7764 x 2000         Fax:    (303) 486-6080                Phone: 011 56 2695 0268
Fax:   (819) 762-5172                Email: tvchyre@bechtel.com            Fax:   011 56 2749 9814
Email: chapadom@horne.noranda.ca


Luis Chavez                          Han Young Cho                         Christopher Cimini
Doe Run Peru                         Manager                               PQ Corporation
Av Haracio Zevallos 424              LG-Nikko Inc                          PO Box 840
La Oroya,                            70 Daejung-Ri                         Valley Forge, PA 19482
Peru                                 Onsan-Eup                             Phone: 610-651-4299
                                     Ulju-Kun, Ulsan, 689-890              Fax:    610-251-9139
                                     Korea                                 Email: ccimini@pq.corp.com
                                     Phone: 011-82-52-231-0144
                                     Fax:    011-82-52-231-0108
                                     Email: jhy0112@lgnikko.com



10/26/99                                                                          Page 7 of 42
Mike Ciricillo                          Dale Collins                            John George Cowie
Concentrator Supt                       Univ of Arizona                         Vice President
Phelps Dodge Chino Mines Co             4717 E Ft Lowell                        Copper Development Assn Inc
PO Box 7                                Tucson, AZ 85712                        260 Madison Ave
Hurley, NM 88043                        Phone: (520)321-7769                    New York, NY 10016-2401
Phone: (505)537-4465                    Fax:    (520)621-8159                   Phone: (212)251-7202
Fax:    (505)537-4407                   Email: dcollins@cobra.aml.arizona.edu   Fax:    (212)251-7234
Email: mciricillo@phelpsd.com                                                   Email: jcowie@cda.copper.org



Pierre L. Claessens                     Donald Neal Collins                     Neville R. Cowin
Principal Scientist                     Hot Metals Superintendent               Principal Consultant
Noranda Inc                             Kennecott Utah Copper                   Rio Tinto Technical Svcs
240 Hymus Blvd                          12167 River Vista Dr                    PO Box 50 Castlemead
Pointe Claire, PQ H9R 1G5               Riverton, UT 84065                      Lower Castle St
CANADA                                  Phone: (801)446-1860                    Bristol, BS99 7YR
Phone: (514)630-9465                    Fax:    (801)446-8169                   United Kingdom
Fax:    (514)630-9379                   Email: collinsd@kennecott.com           Phone: 011-44-117-927-6407
Email: claessens@ntc.noranda.com                                                Fax:     011-44-117-927-3317
                                                                                Email: neville.cowin@riotinto.com
Pirson Claude                           Michael J. Collins                      Thomas E. Crandall
Business Development Mgr                8609 95 Ave                             Intl Business Development Mgr
UM Engineering                          Fort Saskatchewan, ALB T8L 1B9          Stebbins Engineering & Mgr Co
Rue Du Bosquet 4                        CANADA                                  303 Eastern Blvd
Louvain-La-Neuve                        Phone: (403)998-5258                    Watertown, NY 13601
Barbant, 1348                                                                   Phone: (315) 782-3000
Belgium                                                                         Fax:     (315) 782-0481
Phone: 011-32-10-475611                                                         Email: tecrandall@stebbins.com
Fax:    011-32-10-450401
Email: claude.pirson@um.be
Maurice A. Cocquerel                    Zoilo Colon                             Peter M. Craven
Technical Dir                           Principal Field Service Engr            Sr Consulting Metallurgist
Kvaerner Metals E&C                     Eltech Systems Corp                     Billiton
12657 Alcosta Blvd Ste 200              625 East St                             Po Box 61820
San Ramon, CA 94583                     Fairport Harbor, OH 44077               Marshalltown, 2107
Phone: (925)866-6423                    Phone: (440) 357-4034                   Republic of South Africa
Fax:   (925)244-6020                    Fax:    (440) 357-4077                  Phone: 011-27-11-376-3242
Email: maurice.cocquerel@kvaerner.co    Email: zjc@eltechsystems.com            Fax:     011-27-11-376-3596
       m                                                                        Email: pcraven@billiton.co.za


Marcus R. Coffin                        Charles G. Cooper                       Peter Crescenzo
Falconbridge Inc                        Technical Mgr                           Principal
Falconbridge Technology Centre          Noram Engineering & Constructors        Minerals Advisory Group
Falconbridge, ON POM 1S0                Suite 400                               1 W Wetmore Rd # 207
Canada                                  200 Granville St                        Tucson, AZ 85705-1643
Phone: (705)693-2761-X3483              Vancouver, BC V6C 1S4                   Phone: (520) 887-7357
Fax:   (705)699-3431                    Canada                                  Fax:    (520) 887-7420
Email: marc_coffin@sudbury.falconbrid   Phone: (604) 681-2030
       ge.co                            Fax:    (604) 683-9164
                                        Email: gcooper@noram-eng.com
Martin H. Col                           Pat Coughlin                            Sam Crisafulli
Business Unit Mgr - Surface Mining      SX-EW Superintendent                    CEO
RAHCO Intl Inc                          Asarco Ray Complex                      CICS Automation Pty Ltd
PO Box 7400                             PO Box 8                                PO Box 570
Spokane, WA 99207-0400                  Hayden, AZ 85235-0008                   Wallsend
Phone: (509) 467-0770                   Phone: (520) 356-7811 x 2402            Newcastle, 2287
Fax:    (509) 466-0212                  Fax:    (520) 356-7811                  Australia
Email: rahco@rahco.com                                                          Phone: 011 61 2 4965 6700
                                                                                Fax:    011 61 2 4965 6705
                                                                                Email: samc@cicsauto.com.au



10/26/99                                                                               Page 8 of 42
Mike Crowley                            Robert H. Cuttriss                    Richard L. Dana
Sales Engineer                          President                             Supt - Metallurgical Control
Krebs Engineers                         Colorado Minerals Research Inst       Cyprus Miami Mining Corp
5505 W Gillette Rd                      5906 McIntyre St                      PO Box 4444
Tucson, AZ 85743-9501                   Golden, CO 80403                      Claypool, AZ 85532-4444
Phone: (520) 747-8200                   Phone: (303)279-2581                  Phone: (520) 473-7214
Fax:   (520) 744-8300                   Fax:    (303)279-6061                 Fax:    (520) 473-7339
Email: krebsengineers@krebs.com         Email: colomin@sni.net                Email: rdana@cyprus.com



Vicemar DJ Cruz                         Jozef Czernecki                       Marion Dattilo
Tankhouse Production Mgr                Head of Laboratory                    Technical Director
Caraiba Metals SA                       Inst of Nonferrous Metals             Merrlin LLC
Via Do Cobre 3700                       Ul Sowinskiego 5                      PO Box 184
Dias D'Avila                            Gliwice, 44-101                       Rolla, MO 65402
Bahia, 42850                            POLAND                                Phone: (573)364-4417
Brazil                                  Phone: 011 48 32 380 366              Fax:    (573)364-1661
Phone: 011-55-71-834-1378               Fax:     011 48 32 380 350            Email: ljlutz@rollanet.org
Fax:   011-55-71-832-2070               Email: jozefcz@zyzio.imn.gliwice.pl
Email: vicemar.caraiba@paranapanema
Carlos Cuadra                           Eduardo C. Da Silva                   William Davenport
SNC-Lavalin Chile SA                    Production Mgr                        Professor
Luis Uribe 2343 Nunoa                   Caraiba Metals SA                     Univ of Arizona
Santiago                                Via Do Cobre 3700 AIO                 Dept of Materials Sci & Eng
Chile                                   Dias D'Avila                          Mines Bldg #12
Phone: 011-562-341-5966                 Bahia, 42850                          Tucson, AZ 85721-0001
Fax:    011-562-341-5961                Brazil                                Phone: (520)621-8121
                                        Phone: 011-55-71-834-1378             Fax:    (520)621-8059
                                        Fax:   011-55-71-832-2070             Email: wgd@engr.arizona.edu
                                        Email: educaetano@e-net.com.br
Brad Cumming                            Massoud Dadras                        Alastair L. Davies
Head Pollution Prevention & Mining      Metallurgical Rsch                    Process Engr
Environment Canada                      Swissmetal                            Rio Tinto Technical Svcs
4905 Dufferin St                        UMS SA Swissmetal                     PO Box 50 Castlemead
Downsview, ON M3H 5T4                   Reconvilier, 2732                     Lower Castle St
Canada                                  Switzerland                           Bristol, BS99 7YR
Phone: (416)739-5883                    Phone: 011 41 32 4820 770             United Kingdom
Fax:   (416)739-4342                    Fax:    011 41 32 4820 119            Phone: 011-44-117-927-6407
Email: brad.cumming@ec.qc.ca            Email: massoud.dadras@smb.swissmet    Fax:     011-44-117-927-3317
                                                                              Email: alastair.davies@riotinto.com
Bates Curtis                            James C. Daley                        John A. Davis
ASARCO                                  Daley & Associates                    President
7 Birchtree Lane                        1020 W Cactus Wren Dr                 Desom Environmental Sys Ltd
Sandy, UT 84092                         Phoenix, AZ 85021                     1211 Gorham St Unit 1
Phone: 801-263-5201                     Phone: (602)678-1616                  Newmarket, ON L3Y 7V1
Fax:    801-263-5206                    Fax:    (602)678-1661                 Canada
                                        Email: daleyjim@aol.com               Phone: (905)836-5551
                                                                              Fax:   (905)836-5607
                                                                              Email: desom@netrover.com


Chris J. Cutler                         Carlos H. Damiani                     Mitchell E. Dean
Global Bus Mgr-Non-Ferr Met             Project Manager                       Sr Project Metallurgist
BOC Gases                               Cade IDEPE Ing Consultores            Newcrest Mining Ltd
RMB 99                                  Las Hualtatas 6190                    PO Box 6380
Wombeyan Caves Rd                       Vitacura                              East Perth, WA, 6892
Mittagong, 2575                         Santiago                              Australia
Australia                               CHILE                                 Phone: 011-618-9270-7080
Phone: 011-442-4888-9248                Phone: 011-562-640-6632               Fax:    011-618-9221-7338
Fax:    011-612-9928-3919               Fax:    011-562-274-5615              Email: dm@newcrest.com.au
Email: chris.cutler@spr.gases.boc.com   Email: libra.cdg@ctcrenna.cl



10/26/99                                                                             Page 9 of 42
Frank P. Debuyck                        Randy DeVinney                    Esteban M. Domic
Project Manager                         Sr Metallurgist                   Consultant
Union Miniere                           Phelps Dodge Tyrone               Domic SA
Kasteel Straat                          PO Box 571                        10 Santa Magdalena Of. 61
Olen, 2250                              Tyrone, NM 88065-0571             Santiago, 665-0150
Belgium                                 Phone: (505) 538-7242             Chile
Phone: 011-32-14-245010                 Fax:    (505) 538-7221            Phone: 011-56-2-234-0237
Fax:    011-32-14-245716                Email: rdevinney@phelpsd.com      Fax:   011-56-2-234-0267
Email: frank.debuyck@um.be                                                Email: domicsa@entelchile.net


Jean-luc Delplancke                     John H. DeVisser                  Phil Donaldson
Professor                               Systems Engrg                     Mgr Business Development
Univ of Brussels                        Desom Environmental Systems Ltd   Falconbridge Ltd
Matls Sci & Electrochemistry            1211 Gorham St                    Kidd Met Div
50 Av F D Roosevelt CP 194/03           Newmarket, ON L3Y 7V1             Hwy 101 East
Brussels, B1050                         Canada                            Timmins, ON P4N 7K1
Belgium                                 Phone: (905) 836-5551             Canada
Phone: 011-32-2-650-3648                Fax:    (905) 836-5607            Phone: (705) 235-8121 x7847
Fax:    011-32-2-650-2786               Email: desom@netrover.com         Fax:   (705) 235-7321
Email: jdelpla@ulb.ac.be                                                  Email: pdonaldson@kiddmet.falconbridg
Peter Deluca                            Paul Dewison                      David Bruce Dreisinger
Manager of Accounting Services          Metalica Ltd                      Associate Professor
TMS                                     Forge Cuttauk                     Univ of British Columbia
184 Thorn Hill Rd                       Suffolk,                          Dept of Metals & Mtrls Engrg
Warrendale, PA 15086-7528               England                           309-6350 Stores Rd
Phone: (724)776-9000-235                                                  Vancouver, BC V6T 1Z4
Fax:   (724)776-3770                                                      Canada
Email: deluca@tms.org                                                     Phone: (604)822-4805
                                                                          Fax:    (604)822-3619
                                                                          Email: drei@interchange.ubc.ca
Adrian C. Deneys                        Carlos M. Diaz                    William H. Dresher
Development Assoc.                      Section Head Pyrometallurgy       WHD Consulting
Praxair Inc                             INCO Ltd                          1201 E Placita Ardilla
765 Old Saw Mill River Rd               Roy Gordon Research Lab           Tucson, AZ 85719
Tarrytown, NY 10591-6702                Sheriden Park                     Phone: (520)742-8957
Phone: (914) 345-6908                   Mississauga, ON L5K 1Z9           Fax:    (520)742-8950
Fax:    (914) 345-6486                  Canada                            Email: wdresher@compuserve.com
Email: adrian_deneys@praxair.com        Phone: (905)278-9583
                                        Fax:    (905)403-2401
                                        Email: cmdiaz@istar.ca
Manuel Devia                            Al Dickson                        Robert Neal Drew
Senior Process Specialist               Spare Parts Manager               Technical Mgr
Cade-Idepe Consulting Engineers         Aisco Systems Inc.                Dyson Industries Ltd
Jose Domingo Canas 2640                 1551 Corporate Dr                 Baslow Rd
Santiago                                Box 655                           Sheffield
Chile                                   Burlington, ON L7R 3Y5            Yorkshire, S17 3BL
Phone: 011-56-2-6406600                 Canada                            United Kingdom
Fax:   011-56-2-2745315                 Phone: (905) 335-0002             Phone: 011-44-114-235-6060
Email: mail@cadeidepe.ce                Fax:    (905) 335-9643            Fax:    011-44-114-235-6010
                                                                          Email: enq@dysonref.com
Jerome L. Devilbiss                     Dale Dixon                        Kenneth Lee Driggs
Business Development                    Mgr Development Projects          Vice Pres. & General Mgr.
Reichhold Inc                           Asarco                            BHP Copper Inc
2211 37th                               PO Box 5747                       200 S. Redington Rd
Bellingham, WA 98226                    Tucson, AZ 85703-0747             San Manuel, AZ 85631
Phone: (360) 733-1942                   Phone: (520) 798-7756             Phone: (520)385-3169
Fax:    (360) 733-1998                  Fax:    (520) 798-7783            Fax:   (520)385-3608
Email: jerome.devilbiss@reichhold.com   Email: ddixon@asarco.com          Email: driggs.ken.kl@bhp.com.au




10/26/99                                                                         Page 10 of 42
Robert P. Dufresne                   David L. Ellis                              James W. Evans
Technical Pultrusion Inc             Researcher                                  Prof
1860 Marie Victorin                  Nasa Lewis Research Ctr                     Univ of California
St. Bruno, PQ J3V 6B9                17337 Fetzer Dr                             Dept of Mtrls Sci & Mnrl Engrg
Canada                               Strongsville, OH 44136-5948                 Evans Hall
Phone: 450-653-1731                  Phone: (216) 433-8736                       Berkeley, CA 94720
Fax:    450-653-8478                 Fax:    (216) 977-7132                      Phone: (510)642-3807
                                     Email: david.l.ellis@lerc.nasa.gov          Fax:    (510)642-9164
                                                                                 Email: evans@socrates.berkeley.edu


Pedro Duran Rosales                  Tony Eltringham                             Daniel Eyzaguirre Flores
Supt of Engineering Prof             Vice Pres of Technology                     Chief Metallurgist
CIA Minera Disputada Las Condes      BHP Minerals                                Compani Minera Lomas Bayas
Marchant Pereira 221 Piso 2          550 California St                           Galleguillos Lorca 1610
Santiago                             San Francisco, CA 94104                     Antofagasta
Chile                                Phone: (415) 782-5731                       Region II
Phone: 011-562-350-8470              Fax:    (415) 782-5851                      Chile
Fax:    011-562-350-8461                                                         Phone: 011-56-55-200628
Email: ewolf@ccc.cl                                                              Fax:    011-56-55-200622
                                                                                 Email: deyzaguirre@lomas-bayas.cl
Achilles JB Dutra                    Pioner Erdenetsogt                          Ernest Faber
Professor                            Erdenet Mining Corp                         Vice President
Federal Univ of Rio De Janeiro       Erdenet,                                    Paul Wurth SA
Cidade Univ CT Sala F210             Mongolia                                    32 Rue D'Alsace
Rio De Janeiro, 21945-970            Phone: 976-35-71511                         Luxembourg, 1122
Brazil                               Fax:   976-35-23002                         Luxembourg
Phone: 011-55-21-280-7443            Email: ertsdgt@emc.erdnet.mn                Phone: 011-352-4970-423
Fax:    011-55-21-290-6626                                                       Fax:    011-352-4970-709
Email: adutra@metalmat.ufrj.br


John E. Dutrizac                     Ivan Escobar Perez                          Kim Olof Fagerlund
Research Scientist                   Chilean Commission of Nuclear Energy        Visiting Scientist
CANMET                               Amunategui N 95                             GKW CRC
1166 Plante Dr                       Santiago, 188-D                             CSIRO Div of Minerals
Ottawa, ONT K1V 9E9                  Chile                                       Box 312
CANADA                               Phone: 011-562-3646203                      Clayton South, VIC 3169
Phone: (613) 995-4823                Fax:    011-562-3646104                     AUSTRALIA
Fax:   (613) 996-9041                Email: iescibar@gopher.cchen.cl             Phone: 011 61 3 9545 8500
                                                                                 Fax:     011 61 3 9562 8919
                                                                                 Email: kim.fagerlund@minerals.csiro.au
Gueorgui Dylko                       Heather A. Evans                            Fausto F. Falsetta
Chief Engineer                       Senior Metallurgist                         Market Manager
Norilsk Min & Met Works AO           Western Minerals Technology Pty Ltd (WMT)   LignoTech USA Inc
C/o Outokumpu Technology             1/45 Edward St                              721 Route 202/206
351 Thornton Rd, Suite 115           Osborne Park, WA 6060                       Bridgewater, NJ 08807-1760
Lithia Springs, GA 30122             Australia                                   Phone: (908) 429-6664
Phone: (770) 944-2127                Phone: 011-61-8-9444-2611                   Fax:    (908) 429-1112
Fax:    (770) 944-2236               Fax:    011-61-8-9444-2715                  Email: fafa@ltus.com
Email: wenmec.usa@outokumpu.com      Email: hevans@wmt.com.au


Michael A. Eamon                     J. Philip Evans                             Walter Fant
Technical Mgr                        President                                   Director of Marketing
BHP Minerals                         H G Engineering                             S & S Intl Mining Enterprises Inc
5205 E Calle Vista De Colores        400 Carlingview Dr                          2420 N Huachuca Dr
Tucson, AZ 85711                     Toronto, ON M9W 5X9                         Tucson, AZ 85745-1202
Phone: (520) 748-7635                Canada                                      Phone: (520) 622-8283
Email: eamon.michael.ma@bhp.com.au   Phone: (416)674-8505                        Fax:    (520) 903-0672
                                     Fax:     (416)674-8520                      Email: ssinternationalmining@worldsnet
                                     Email: phile@hgeng.com                             .att.net




10/26/99                                                                                Page 11 of 42
Lynn C. Feldt                     Yvon Fiset                       Jean-Paul Franzidis
Administrative Asst               Administrator - Production HCP   Prof. Research Fellow
BHP Copper                        Noranda Inc - CCR Refinery       Univ of Queensland
200 S Redington Rd                220 Ave Durocher                 JKM Rsch Ctr
San Manuel, AZ 85631              Montreal-East, PQ H1B 5H6        Isles Rd
Phone: (520)385-3622              Canada                           Indooroopilly, 4068
Fax:    (520)385-3608             Phone: (514) 645-2311            Australia
Email: feldt                      Fax:    (514) 640-2090           Phone: 011-617-3365-5888
                                                                   Fax:    011-617-3365-5999
                                                                   Email: j.franzidis@mailbox.uq.edy.au
Filiberto Fernandez               David Flasha                     Carlos E. Freese
ASARCO                            Can Pan Mining Co                Manager
3400 Wayne                        PO Box 1716                      Outokumpu Tecnica Chile Ltd
Amarillo, TX 79109                Queen Creek, AZ 85242            Seminario 90
Phone: 806-354-9760               Phone: 480-987-1006              Santiago
Fax:     806-381-3291             Fax:   480-987-8369              Chile
Email: ffernandez@asarco.com                                       Phone: 011-562-225-3005
                                                                   Fax:   011-562-225-7748
                                                                   Email: carlos.freese@outokumpu.com


Cesar Joe Ferron                  Cathy Fletcher                   Leonard J. Friedman
Mgr - Hydrometallurgy             Marketing Manager                President
Lakefield Rsch of Canada Ltd      Lakefield Research Ltd           Acid Eng & Consulting Inc
185 Concession St                 PO Box 4300                      17770 Deauville Ln
PO Box 4300                       185 Concession Street            Boca Raton, FL 33496
Lakefield, ON K0L 2H0             Lakefield, ON K0L 2H0            Phone: (561)995-1652
Canada                            Canada                           Fax:   (561)995-1657
Phone: (705)652-2024              Phone: (705) 652-2109            Email: acideng@aol.com
Fax:    (705)652-1918             Fax:    (705) 652-6365
                                  Email: fletcher@lakefield.com
Ray M Figas Jr                    Cecilio Flores                   Ramon Fuentes
L & N Metallurgical Products      Metallurgist                     Project Manager
12529 Deborah Dr                  BHP Copper                       IMZ
North Huntingdon, PA 15642        283 E Camino Lomas               Av. Del Parque 4980, OF132
Phone: (412)758-4131              Tucson, AZ 85704-6978            Huechurdba
Fax:   (418)758-2644              Phone: (530) 297-5082            Santiago
Email: neetz@aol.com                                               Chile
                                                                   Phone: 011 56 2 690 3987
                                                                   Fax:    011 56 2 738 4338
                                                                   Email: rtuen004@imz.codelco.cl
Jose Hector Figueroa              Jonkion Marcos Font              Motomi Furuta
R&D Manager                       Student                          Hibi Kyodo Smelting Co Ltd
Mecicana De Cananea               Tohoku Univ                      No 6-1-1 Hibi
55 E Helen St                     Inst for Advanced Matls Proc     Tamano City
Tucson, AZ 85705-6609             Katahira 2-1-1 Aoba-ku           Okayama, 706-8511
Phone: (520) 623-1262             Sendai, 980-8577                 Japan
Fax:   (520) 791-7764             Japan                            Phone: 011-81-863-813178
                                  Phone: 011-81-22-217-5211        Fax:    011-81-863-815519
                                  Fax:     011-81-22-217-5151
                                  Email: jfont@iamp.tohoku.ac.jp
Andreas Filzwieser                Rick E. Forrest                  Kendall A. Gaddy
Student                           Non-Ferrous Export               Dir of Smelter Project Operations
Univ of Leoben                    VRD Canada                       Crescent Tech Inc
Dept of Nonferrous Metall         7601 Bathurst St Apt1412         1615 Poydras St
Franz-Josef Str 18                Thornhill, ONT L4S 4P7           New Orleans, LA 70112-1254
Leoben, A-8700                    CANADA                           Phone: (504) 582-4401
Austria                           Phone: (905)881-8141             Fax:    (504) 582-1832
Phone: 011-43-3842-402-322        Fax:    (905)771-0208            Email: kendall_gaddy@fmi.com
Fax:    011-43-3842-402-627       Email: rickforrest@home.com
Email: filzwies@unileoben.ac.at



10/26/99                                                                  Page 12 of 42
Richard J. Gaffney                      James F. Garvey                       Rob Giebitz
Engr & Marketing Mgr - Mining           Electrorefinery Supt                  Chino Mines Co
Air Liquide America Corp                Cyprus Miami Mining Corp              PO Box 7
20017 N 77th Ave                        1818 N Ridgemont Pl                   Hurley, NM 88043
Glendale, AZ 85308-8337                 Casa Grande, AZ 85222-1754            Phone: 505-537-4289
Phone: (623) 572-6595                   Phone: (520) 473-7416                 Fax:    505-537-2645
Fax:    (623) 572-6595                  Fax:    (520) 473-7455                Email: rgiebitz@phelpsd.com
Email: richard.gaffney@airliquide.com



Hector Galavizi                         Jim Gebhardt                          James D. Gillaspie
Great Western de Mexico                 Senior Engineer                       Metallurgical Engr
Rio Grande 130                          Process Engineering Resources, Inc.   BHP Minerals
Sonora,                                 1945 S 1100 E                         204 Edison Way
Mexico                                  Suite 100                             Ctr for Minerals Tech
Phone: 52-62-51-01-52                   Salt Lake City, UT 84106-2316         Reno, NV 89502-2306
Fax:    52-62-51-01-52                  Phone: (801) 486-2622                 Phone: (775) 858-3788
Email: galavizi@rtn.vson.mx             Fax:    (801) 486-2696                Fax:     (775) 856-1619
                                        Email: jim@processeng.com             Email: gillaspie.jim.jd@bhp.com.au


Michael Gallagher                       William P Geddes                      Thomas Gilligan
Kvaerner Metals                         Bloomsbury Minerals Econ LTD          VP Emerging Businesses & CTO
12657 Alcosta Blvd                      1 School Close                        ELTECH Systems
San Ramon, CA 94583                     Trowbridge, BA146                     625 East St
Phone: 925-866-1166                     England                               Fairport, OH 44077
Fax:   925-966-6320                                                           Phone: (440)357-4066
Email: mike.gallegher@kvaerner.com                                            Fax:    (440)357-4077
                                                                              Email: tjg@eltechsystems.com



Paulo F. Garay                          Charles LJ Geenen                     Denis Gindre
Project Mgr                             Refinery Plant Mgr                    Gindre Duchavany
Anaconda Chile                          Union Miniere Copper                  31 rue Giffard - BP 23
Ahumada 11 6th Floor                    Watertorenstraat 33                   Pont de Cheruy, 38231
Santiago                                Olen, B-2250                          France
Chile                                   Belgium                               Phone: 011-33-4-7246-7097
Phone: 011-562-240-5257                 Phone: 011-32-14-245207               Fax:   011-33-4-7832-5461
Fax:    011-562-241-1357                Fax:    011-32-14-245815              Email: dgindre@infonie.fr
Email: fgaray@anaconda.cl               Email: charles.geenen@um.br


Carlos A Garcia                         David B. George                       Michael Giralico
General Mgr                             Director-Technology                   Market Development Manager
Compania Minera Zaldivar                Kennecott Utah Copper                 LIGHTNIN
Ave Balmaceda 2536 Piso 4               585 Ninth Ave                         135 Mt. Read Blvd
Antofagasta                             Salt Lake City, UT 84103              Rochester, NY 14611
Chile                                   Phone: (801) 252-3158                 Phone: (716)527-1218
Phone: 011-56-55-205094                 Fax:    (801)252-3147                 Fax:    (716)527-1720
Fax:    011-56-55-205091                Email: david_george@msn.com           Email: mike.giralico@lightnin.gensig.co
Email: cgargia6@ctcreuna.cl                                                          m


Hugo Garrido                            Aberra Getahun                        Peter Gissing
Heckett Multiserv                       Brown and Caldwell                    Mommengasse 35
Callejon el Inca 535                    3636 Central Ave                      Vienna, 1090
Capiapo,                                Suite 200                             Austria
Chile                                   Phoenix, AZ                           Phone: 0093-502-3-369
Phone: 56-52-226686                     Phone: 602-222-4461
                                        Fax:    602-222-4466
                                        Email: agetahun@brwncald.com




10/26/99                                                                             Page 13 of 42
Gary W. Glasscock                    Oscar Gonzalez Rocha          Andrew Goulsbra
New Products Manager                 Managing Director             Divisional Metallurgist
Eltech Systems Corp                  Mexicana De Cobre             Newcrest Mining
625 East St                          Plaza Jesus Garcia #1         PO Box 4123
Fairport Harbor, OH 44024            Nacozari Sonora               Sydney, 2001
Phone: (440) 357-4086                Mexico                        Australia
Fax:    (440) 357-4077               Phone: 011-52-633-28079       Phone: 011-61-2-8234-7621
Email: gwg@eltechsystems.com         Fax:   011-52-633-25475       Fax:    011-61-2-8234-7601
                                                                   Email: goulsbraa@newcrest.com.au


Jorge Godoy                          Pedro M. Gonzalez             George A. Grandy
Codelco Chile el Teniente            General Mgr                   Director of Technology
Caletones                            Auburn Industrial Svcs Ltd    Kvaerner Metals E&C
Rancagoa,                            260 Fielding Rd               12657 Alcosta Blvd Suite 200
Chile                                Sudbury, ON P3Y 1L6           San Ramon, CA 94583
Phone: 56-72-295231                  Canada                        Phone: (925) 866-6564
Fax:    56-72-295271                 Phone: (705) 682-2222         Fax:    (925) 866-6520
Email: jgodoy@tte.codelco.cl         Fax:    (705) 682-0888        Email: george.grandy@kvaerner.com
                                     Email: auburn@vianet.on.ca


Ricardo Godoy                        David J. Goodwill             David A. Green
Sr Process Engineer                  President                     President
CIA Minera Disputada De Las Condes   Jenike E Johnaon Ltd          Outokumpu Technology Inc
Marchant Pereira 221, PISO 2         400 Carlingview Dr            109 Inverness Dr E
Santiago                             Toronto, ON M9W 5X9           Suite F
Chile                                Canada                        Englewood, CO 80112
Phone: 011 56 2 350 8500             Phone: (416)674-8595          Phone: (303) 792-3110
Fax:   011 56 2 350 8461             Fax:    (416)674-8520         Fax:    (303) 799-6892
Email: alizasoain@ccc.cl             Email: davidg@hgeng.com       Email: david.green@outokumpu.com


Robert G. Goffin                     Wendy Marie Gort              Marlin K. Green
Mgr Sales & Technology               Staff Metall Engr             Quality Mgr
Paul Wurth SA                        Cyprus Sierrita Corp          Phelps Dodge Tyrone Inc
32 Rue D'Alsace                      PO Box 527                    4241 Arrowhead Rd
Luxembourg, 1122                     Green Valley, AZ 85622        Silver City, NM 88061
Luxembourg                           Phone: (520) 648-8831         Phone: (505) 538-7220
Phone: 011-352-4970-754              Fax:    (520) 648-8628        Fax:    (505) 538-7221
Fax:   011-352-4970-709              Email: wgort@cyprus.com       Email: mgreen@phelpsd.com



Keila Carvalho Goncalves             Motoo Goto                    Michael G. Greene
Chemical Engineer                    President/Director            Tomsha Associates
CIA Vale De Rio Doce                 PT Smelting                   1438 W San Lucus Dr
BR 262 Km 296                        Desa Roomo Kecamatan Manyar   Tucson, AZ 85704
Santa Luzia                          PO Box 555                    Phone: (520) 742-3440
Minas Gerais, 33030970               Gresik, East Java, 61151      Fax:    (520) 742-9457
Brazil                               Indonesia                     Email: tlywork@aol.com
Phone: 011-55-31-691-4416            Phone: 011-62-31-397-6450
Fax:    011-55-31-691-4313           Fax:    011-62-31-397-6463
Email: keila@cvrd.com.br
Thomas W. Gonzales                   Flor Goubin                   Jeff B. Griffin
Business Team Leader - Hot Metals    Union Miniere                 Sr Metallurgist
BHP Copper Mtls                      Kasteelstraat 7               Phelps Dodge Morenci Inc
PO Box M                             Glen, 2250                    4521 US Highway 191
200 S Redington Rd                   Belgium                       Morenci, AZ 85540-9700
San Manuel, AZ 85631-0460            Phone: 011-32-32-816890       Phone: (520) 865-6456
Phone: (520) 385-3275                Fax:   011-32-14-245716       Fax:    (520) 865-2234
Fax:    (520) 385-3394                                             Email: fgriffin@phelpsdodge.com
Email: twgdag@aol.com




10/26/99                                                                  Page 14 of 42
Joanna R. Groza                    Doug N. Halbe                         Cameron L. Harris
Professor                          Consultant                            Sr Process Engrg
Univ of California                 PO Box 58667                          Kvaerner Metals
Chemical Engr Matl Sci Dept        Salt Lake City, UT 84158-0667         12657 Alcosta Blvd #200
One Shields Ave                    Phone: (801) 582-3644                 San Ramon, CA 94583
Davis, CA 95616                    Fax:    (801) 582-3655                Phone: (925) 866-6481
Phone: (530)752-8825                                                     Fax:   (925) 866-6525
Fax:    (530)752-9554
Email: jrgroza@ucdavis.edu


Michael Grundy                     Brad C. Halvorsen                     Leonard Harris
Chief Metallurgist                 Tech Manager                          Consultant
Rio Algom Ltd                      Haldor Topsoe Inc                     PO Box 261548
120 Adelaide St W                  Suite 300                             Lone Tree, CO 80126
Toronto, ON M5H 1W5                17629 El Camino Real                  Phone: (303)790-0952
Canada                             Houston, TX 77058                     Fax:   (393)649-9625
Phone: (416) 365-6835              Phone: (281) 228-5096
Fax:   (416) 365-6870              Fax:    (281) 228-5069
Email: mgrundy@rioalgom.com        Email: bch@topsoe.com


Nellie E Guernsey                  Richard W. Hammack                    Ralph L. Harris
Executive Director                 Geochemist                            Professor
AIME.                              Dept of Energy                        McGill Univ
3 Park Ave                         Cochrans Mill Rd                      Room 2220
New York, NY 10016-5902            P O Box 18070                         3610 University St
Phone: (212) 419-7679              Pittsburgh, PA 15236                  Montreal, PQ H3A 2B2
Fax:    (212) 419-7671             Phone: (412)831-7218                  Canada
Email: aimeny@aimeny.org           Email: hammack@petc.doe.gov           Phone: (514)398-4755
                                                                         Fax:    (514)398-4492
                                                                         Email: ralph@minmet.lan.mcgill.ca
Haesebroek Guy                     Bill A. Hancock                       Malcolm Harrison
Business Development Mgr           VP - Technical Svcs                   Valvtechnologies Inc
UM Engineering                     Great Western Chemical Co             3227 Calyton Rd. #10
Rue Du Bosquet 4                   5700 NW Front Ave                     Concord, CA 94519
Louvain La Neuve                   Portland, OR 97210                    Phone: 925-825-6693
Brabant, 1348                      Phone: (801) 558-7161                 Fax:   925-825-6694
Belgium                            Fax:     (503) 227-7377               Email: valvt@msn.com
Phone: 011-32-10-475611            Email: billhancock@gwchem.com
Fax:   011-32-10-450401
Email: guy.haesebroek@um.be
Anders Haag                        Teuvo Pekka Hanniala                  Denis Harvie
Sales & Marketing Engineer         VP - Marketing                        Vice President
Outokumpu Technology Inc           Outokumpu Engineering                 Genivel BPR
351 Thornton Rd                    Riihitontuntie 7E                     5100 Sherbrooke East
Suite 115                          PO Box 862                            Montreal, PQ H1V 3R9
Lithia Springs, GA 30122-1554      Espoo, FIN-02201                      Canada
Phone: (770) 944-2127              Finland                               Phone: (514) 257-0707
Fax:    (770) 944-2236             Phone: 011 358 9 421 2770             Fax:   (514) 257-2420
Email: anders.haag@outokumpu.com   Fax:     011 358 9 421 3973           Email: dharvie@groupe-brp.com
                                   Email: pekka.hanniala@outokumpu.com
G. Haesebroek                      Kenneth L. Hardee                     Mineo Hayashi
MHO                                Rsch Fellow                           General Manager
Zetel Olen Siege Olen              Eltech Systems Corp                   Mitsubishi Materials Corp
Leemanslaan 36                     625 East St                           Project Dept
Olen, B-2250                       Fairport Harbor, OH 44077             1-5-1 Marunouchi, Chiyoda-ku
BELGIUM                            Phone: (440) 357-4043                 Tokyo, 100-8222
                                   Fax:    (440) 357-4077                Japan
                                   Email: klh@eltechsystems.com          Phone: 011-813-5252-5323
                                                                         Fax:    011-813-5252-5426
                                                                         Email: hayasi@mmc.co.jp



10/26/99                                                                        Page 15 of 42
David N. Hazelett                  Douglas F Higgins                   James E. Hoffman
Executive Vice President           Manager, Mineral Industries         President
Hazelett Strip Casting Corp        ABB                                 James E Hoffmann & Assoc Co
PO Box 600                         Baden Dattwil                       PO Box 420545
Malletts Bay                       Phoenix, CH-5405                    Houston, TX 77242-0545
Colchester, VT 05446-0600          Switzerland                         Phone: (281) 493-9441
Phone: (802)863-6376               Phone: 011-41-56-486-8549           Fax:    (713) 780-0761
Fax:    (802)863-1523              Fax:    011-41-56-486-7322          Email: jehentp@aol.com
Email: davidha@hazelett.com


Nick Hazen                         Bill F. Hill                        Clenn F. Hoffmeyer
President                          Mgr Business Development            Sr Metallurgist
Hazen Research Inc                 Golder Associates Inc               Cyprus Miami Mining Corp
4601 Indiana St                    44 Union Blvd Ste 300               PO Box 4444
Golden, CO 80403                   Lakewood, CO 80228-1821             Claypool, AZ 85532-4444
Phone: (303)279-4501               Phone: (303) 980-0540               Phone: (520) 473-7409
Fax:   (303)278-1528               Fax:     (303) 985-2080             Fax:   (520) 473-7455
Email: hazenn@hazenusa.com



Jenifer S. Heath                   Naoki Hiroyoshi                     J. Michael Holland
Toxicologist                       Instructor                          Mgr Metals Processing
URS Greimer Woodward Clyde         Hokkaido Univ                       H G Engineering
4582 S Ulster St                   Kita 13 Nishi 8, Kita-ku            400 Carlingview Dr
1000                               Sapporo                             Toronto, ON M9W 5X9
Denver, CO 80237-2637              Hokkaido, 060-8628                  Canada
Phone: (303) 740-3875              Japan                               Phone: (416)674-8505
Fax:    (303) 694-3946             Phone: 011-81-11-706-6315           Fax:    (416)674-8520
Email: jenifer_heath@urscorp.com   Fax:    011-81-11-706-6315          Email: mikeh@hgeng.com
                                   Email: hiroyosi@eng.hokudai.ac.jp
Christian Hecker                   Brent Hiskey                        Lloyd Holliday
Professor                          Professor                           Vice President
Univ De Concepcion                 Univ of Arizona                     Larox Inc.
Edmundo Larenas 270                Dept of MSE                         The Maltings, Manor Courtyard
Concepcion                         Tucson, AZ 85721                    Buckinghamshire, MK16 9PR
Chile                              Phone: (520)529-8680                United Kingdom
Phone: 011-56-41-203188            Fax:    (520)621-8159               Phone: 011-1908-615610
Fax:    011-56-41-243418           Email: jbh@engr.arizona.edu         Fax:    011-1908-615543
Email: checher@udec.cl                                                 Email: lloyd.holiday@larox.com


Hans C. Hein                       Rita Hoering                        Hannu A. Holopainen
Consulting Metallurgist                                                Sales Manager
Henkel Corp                                                            Foster Wheeler Energia Oy
Casilla 35 Correo 35                                                   Sentnerikuja 2
Santiago                                                               PO Box 45
Chile                                                                  Helsinki, 00441
Phone: 011-562-4433504                                                 Finland
Fax:    011-562-6010012                                                Phone: 011-358-10-39-311
                                                                       Fax:    011-358-10-39-361
                                                                       Email: hannu_holopainen@fwfin.fwc.fn
James Hesketh                      John R. Hoffert                     John W. Holzenthaler
Director Business Development      Sr Project Engr                     Vice President
Cyprus Climax                      Minera Boliden Westmin Chile Ltd    Phelps Dodge Refining Corp
1501 W Fountainhead Pkwy           Alcantarra 200 Oficina 301          6999 N Loop Dr
PO Box 22015                       Las Condes                          El Paso, TX 79915-2351
Tempe, AZ 85285                    Santiago                            Phone: (915) 755-8807
Phone: (602)929-4427               Chile                               Fax:    (915) 775-8327
Fax:    (602)929-4591              Phone: 011-56-2-263-0871            Email: jholzenthaler@phelpsd.com
Email: jhesketh@Cyprus.com         Fax:    011-56-2-263-0751
                                   Email: jhoffert@ibm.net



10/26/99                                                                      Page 16 of 42
Paul AJ Hosford                     Robert David Hutcheson                Irwin J. Itzkovitch
Manager of Metallurgy               Tech. Mgr                             Sr VP Shared Business Srvc
Hatch Engrg                         Southwire Copper Div                  Noranda Inc
1140 W Pender Ave 9th Flr           PO Box 9000                           181 Bay St BCE Place
Vancouver, BC V6E 4G1               372 Central High Rd                   PO Box 755
Canada                              Carrollton, GA 30116                  Toronto, ON M5J 2T3
Phone: (604)689-5767                Phone: (770)832-5143                  Canada
Fax:   (604)689-3918                Fax:    (770)832-5136                 Phone: (416) 982-7451
Email: phosford@hatch.ca            Email: david_hutcheson@southwire.co   Fax:     (416) 982-7498


Gary D. Howell                      Hajime Ikeda                          Carlos Iwaszkowiec
SME Executive Director              Director                              Sales Director
Society of Mining Engineers         Metal Mining Agency of Japan          Monsanto Envir-Chem Sys Inc
PO Box 625002                       120 W 45th St Ste 901                 PO Box 14547
Littleton, CO 80162-5002            New York, NY 10036                    St Louis, MO 63178
Phone: (303) 948-4210               Phone: (212)869-0639                  Phone: (314)275-5742
Fax:     (303) 973-3845             Fax:     (212)869-0205                Fax:    (314)275-5918
Email: howell@smenet.org            Email: hajime@pop.kdd.net             Email: carlos.iwaszkowiec@monsanto.c
                                                                                  om


Zane T. Huffman                     Juan D. Illescas, Jr.                 Heikki Jalkanen
Southern Peru Copper Corp           Project Mgr                           Professor
c/o Logistics Svcs Inc              Eichrom Industries Inc                Helsinki Univ of Tech
1812 NW 84th Ave                    8205 S Cass Ave                       Vuorimiehentie 2A
Miami, FL 33126-1032                Suite 111                             PO Box 6200
                                    Darien, IL 60561-5319                 Espoo, 02015 TKK
                                    Phone: (630)963-0320                  Finland
                                    Fax:    (630)963-6432                 Phone: 011-358-9-451-2753
                                    Email: illescas@flash.net             Fax:    011-358-9-451-2798
                                                                          Email: heikki.jalkanen@hut.fi
John R. Hugens                      William P. Imrie                      Graeme J. Jameson
Technology Mgr                      Mgr of Technology & Engr              Prof. of Chemical Engrg
Asarco Inc                          Bechtel Corp                          Univ of Newcastle
3422 S 700 West                     50 Beale St                           Dept of Chem Engrg
Salt Lake City, UT 84119            San Francisco, CA 94105-1813          Callaghan
Phone: (801) 263-5231               Phone: (415)768-4313                  Newcastle, 2308
Fax:    (801) 261-2194              Fax:    (415)768-3398                 Phone: 011-612-4921-6181
                                    Email: wimrie@bechtel.com             Fax:     011-612-4960-1445



Rauno Hukkanen                      Osamu Ishikawa                        Graeme J. Jameson
Outokuman Wenmec Oy                 President                             Prof. of Chemical Engrg
Espoo,                              Ishikawa Consulting Inc               Univ of Newcastle
Finland                             780 Sea Spray Ln 113                  Dept of Chem Engrg
Phone: 358-9-4212383                Foster City, CA 94404                 Callaghan
Fax:    358-9-4213638               Phone: (650)573-1477                  Newcastle, 2308
                                    Fax:    (650)573-1477                 Australia
                                    Email: oishikawa@webjapan.com         Phone: 011-612-4921-6181
                                                                          Fax:     011-612-4960-1445


Tom Humphreys                       Kimio Itagaki                         Dmadinjav Jamiyanjav
N American Mineral Mgr              Professor                             Executive Director
Ahlstrom Pumps LLC                  Tohoku Univ                           Erdmin Co Ltd
14707 NE 13th Ct                    Inst Adv Matls Proc                   III - 6 - 114
Unit B102                           Aoba-Ku Katahira 2-1-1                Erdenet
Vancouver, WA 98685-1445            Sendai, 980                           Mongolia
Phone: (360) 574-8486               JAPAN                                 Phone: 011-976-35-21273
Fax:    (360) 574-8527              Phone: 011-81-22-217-5150             Fax:       011-976-35-28000
Email: tom.humphreys@ahlstrom.com   Fax:    011-81-22-217-5211
                                    Email: itagaki@iamp.tohoku.ac.jp



10/26/99                                                                         Page 17 of 42
Jackson G. Jenkins                    David L. Jones                           Heikki H. Kandolin
Mgr Technical Services                CESL                                     President
Cyprus Sierrita                       12380 Horseshoe Way                      Outokumpu Wenmec Oy
PO Box 527                            Richmond, BC V7A 4Z1                     PO Box 103
Green Valley, AZ 85622-0527           CANADA                                   Espoo, 02201
Phone: (520) 648-8613                 Phone: (604)241-5712                     Finland
Fax:    (520) 648-8573                Fax:    (604)241-0934                    Phone: 011-358-9-4211
Email: jjenkins05@cyprus.com                                                   Fax:    011-358-9-421 2494
                                                                               Email: heikki,kandolin@outokumpu.com


Robert S. Jickling                    Stuart M. Jones, Jr.                     Seong-Won Kang
President                             Dir Sales & Marketing                    General Manager
EPCM Services Ltd                     Svedala Industries Inc                   LG-Nikko Inc
2829 Sherwood Heights Dr              240 Arch St                              70 Daejung-Ri
Oakville, ON L6J 7R7                  P O Box M-312                            Onsan-Eup
Canada                                York, PA 17403-1410                      Ulju-kun, Ulsan, 689-890
Phone: (905) 829-1711                                                          Korea
Fax:    (905)829-1717                                                          Phone: 011-82-52-231-0400
Email: bob@epcm.com                                                            Fax:    011-82-52-238-4739
                                                                               Email: swkang@lgnikko.com
Kent R. Johnejack                     Francis Richard Jorgensen                Joel Patrick Kapusta
Sr Project Manager                    Chief Research Scientist                 Market Specialist
Golder Associates Inc                 CSIRO Minerals                           Air Liquide Canada
4730 N Oracle Rd Ste 210              Division of Min Engr                     11201 Bld Ray Lawson
Tucson, AZ 85705-1682                 PO Box 312                               Anjou, PQ H1J 1M6
Phone: (520) 888-8818                 Clayton, 3169                            CANADA
Fax:    (520) 888-8817                Australia                                Phone: (514)356-7626
Email: kent_johnejack@golder.com      Phone: 011-613-541-1222                  Fax:    (514)356-7651
                                      Fax:    011-613-562-8919                 Email: joel.kapusta@airliquide.com
                                      Email: frank.jorgensen@minerals.csiro.
Jim M. Johnson                        Andrew Kaczmarek                         Matti Karjanlahti
Sales                                 Cyprus Amax                              President
RSR Corp                              PO Box 4444                              Outokumpu Mintec OY
2777 N Stemmons Fwy                   Claypool, AZ 85532                       PO Box 84
Dallas, TX 75207-2277                 Phone: 520-473-7486                      Espoo, 02201
Phone: (214) 583-0295                 Fax:   520-473-7552                      Finland
Fax:    (214) 631-4013                Email: akaczmar@cyprus.com               Phone: 011 358 9 421 3641
Email: rsrrmp@onramp.net                                                       Fax:    011 358 9 421 3642
                                                                               Email: matti.karjanlahti@outokumpu.co


Robert E. Johnson                     Hiroki Kadoya                            Kelvin A. Kaukinen
Dir Rsch & Bus Dev                    Mgr of Smelting Section                  Director of Sales
PDMC-PTC                              Sumitomo Metal Mining Co Ltd             Kvaerner Metals
9780 E Sanchez Rd                     Toyo Smelter & Refinery                  Engineering & Construction Div
Safford, AZ 85546-7400                OTU 145-1 Funaya Saijo                   Nueva Tajamar 481, Piso 19
Phone: (520)348-0800                  Ehime, 793-0005                          Las Condes, Santiago
Fax:    (520)428-3714                 Japan                                    Chile
                                      Phone: 011-81-897-56-1222                Phone: 011-562-336-3515
                                      Fax:    011-81-897-56-2020               Fax:    011-562-203-6106
                                      Email: hiroki.kadoya@n.3mm.co.jp         Email: kelvin.kaukinen@kvaerner.com
Adolf J. Jonaitis                     Jouko O. Kallioinen                      Erol Kaya
Sr Sales Mngr                         Mgr                                      Sr. Research Engr
Outokumpu Technologies Inc            GL&V/Dorr-Oliver                         Phelps Dodge Mining Co
109 Inverness Dr E                    333 S Allison Pkwy Ste 304               9780 E Sanchez Rd
Suite F                               Denver, CO 80226-3115                    Safford, AZ 85546-7400
Englewood, CO 80112                   Phone: (303) 986-4656                    Phone: (520) 348-0808
Phone: (303)792-3110                  Fax:    (303) 986-4959                   Fax:    (520) 428-3714
Fax:     (303)799-6892                Email: kallioinen@dorr-oliver.com        Email: ekaya@phelpsdodge.com
Email: adolf.jonaitis@outokumpu.com




10/26/99                                                                              Page 18 of 42
Ron Kelly                             Daniel Kim                   Johannes Knecht
Terra Nova Technologies               Engr of Refinery             Mgr of RMT Communications
435 W Bradley                         Kennecott Utah Copper        Krupp Polysius AG
El Cajon, CA 92020                    PO Box 280                   Graf-Galen Str 17
                                      Magna, UT 84044-0280         Beckum, 59267
                                      Phone: (801) 569-6773        Germany
                                                                   Phone: 011-49-2525-99-2496
                                                                   Fax:    011-49-2525-99-2137
                                                                   Email: knecktj@kp.thyssenkrupp.com


Seppo Tapio Kemppinen                 Brett Kimber                 John Koch
Senior Process Engr                   Project Development Mgr      Freeport-McMoRam Copper
Foster Wheeler Energia Oy             Boc Gases                    1615 Poydras St.
PO Box 201                            575 Mountain Ave             New Orleans, LA 70112
Varkaus, FIN-78201                    Murray Hill, NJ 07974        Phone: 504-582-4666
Finland                               Phone: 908-508-2897          Fax:   504-582-4511
Phone: 011-358-7257-8211              Fax:    908-771-1438         Email: John_Koch@imi.com
Fax:    011-358-10-393-7689
Email: seppo_kemppinen@fwfin.fwc.co


Brian Kennedy                         Matthew J. King              Walter Koch
Senior Process Engineer               Process Engr                 Consultant
Simons Engineering Inc                Chino Mines Co               1525 Mac Donald
Suite 2006                            PO Box 792                   St Bruno, PQ J3V 4J4
2700 North 3rd St                     Silver City, NM 88062-0792   Canada
Phoenix, AZ 85004-4602                Phone: (505)537-4173         Phone: (450) 653-3987
Phone: (602)200-6530                  Fax:    (505) 537-4252       Fax:   (450) 441-3910
Fax:    (602)200-6501                 Email: mking@phelpsd.com     Email: walterk@aei.ca
Email: bkennedy@hasimons.com


Peter G. Kettle                       Michael G. King              Hans-jochen Koenig
Manager, Base Metals                  Dir of Metall Tech           VP Technology
CRU International                     Falconbridge Ltd             Lurgi Metallurgie GmbH
31 Mt Pleasant                        Falconbridge Tech Centre     Lindenstruthweg 3
London, WC1X 0AD                      Falconbridge, ON P0M 1S0     Kronberg, D-61476
United Kingdom                        Canada                       GERMANY
Phone: 011-44-171-278-0414            Phone: (705)693-2761         Phone: 011-49-69-5808-3564
Fax:   011-44-171-837-0976            Fax:    (705)699-3431        Fax:   011-49-69-5808-2412
Email: pkettle@cruint.tcom.co.uk


Alan Keylock                          Jeff Kitman                  Stephen J Kohut
Mgr - Process Engrg                   ASARCO                       ElectroCopper Prod. Limited
Agra Simons Mining Div                PO Box 8                     1255 W Baseline Rd, Suite 288
111 Dunsmuir St                       Hayden, AZ 85219             Mesa, AZ 85202
Vancouver, BC V6B 5W3                                              Phone: (602)491-4600
Canada                                                             Fax:    (602)491-5005
Phone: (604) 664-4731
Fax:    (604) 664-3057
Email: akeylock@hasimons.com


Paul Keyser                           Nicholas Klipa               Ilkka V. Kojo
Baker Process                         Sales Director               Manager, R&D
669 W 200 South                       Paul Wurth Inc               Outokumpu Engrg Contractors Oy
Salt Lake City, UT 84101              333 Technology Dr            PO Box 862
Phone: 801-526-2000                   Canonsburg, PA 15317-9504    Riihitontuntie 7E
Fax:    801-526-2923                  Phone: (724)873-7200         Espoo, SF 02201
Email: paul.keyser@bakerhughes.com    Fax:    (724)873-7299        Finland
                                                                   Phone: 011-358-9421-2280
                                                                   Fax:     011-358-9421-3973
                                                                   Email: ilkka.kojo@outokumpu.com



10/26/99                                                                  Page 19 of 42
Tero Kolhinen                          Anatoli Korobeinikov                    Raimo U. Kuusisto
Phd Student                            Erdenet Mining Corp                     Sales Mgr - Hydrometallurgy
Helsinki Univ of Tech                  Erdenet,                                Outokumpu Eng Contractors Oy
Vuorimiechentie 2K                     Mongolia                                Riihitontuntie 7 E
Espoo, 02015                           Phone: 976-55-20471                     P O Box 862
Finland                                Fax:    976-35-23002                    Espoo, 02201
Phone: 011-358-9-451-2764                                                      Finland
Fax:    011-358-9-451-2798                                                     Phone: 011-3589-4211
Email: tero.kolhinen@hut.fi                                                    Fax:     011-3589-421-3974
                                                                               Email: raimo.kuusisto@outokumpu.com
Jerry Kolstad                          Jerzy Kotarski                          Andrew Kevin Kyllo
Sr Metallurgist                        Director                                Research Fellow
Stillwater Mining Co                   KGHM Polska Miedz SA                    Univ of Melbourne
PO Box 1209                            48 MC Sklodowskiej St                   G K Williams CRC for Ext Met
Columbus, MT 59019                     Lubin, 59-301                           Parkville, VIC 3052
Phone: (406) 322-8803                  Poland                                  AUSTRALIA
Fax:     (406)322-5468                 Phone: 011-48-76-847-8302               Phone: 011-61-3-9344-4675
Email: jkolstad@stillwatermining.com   Fax:     011-48-76-847-8502             Fax:    011-61-3-9344-4592
                                       Email: j.kotarski@bz.kghm.com.pl        Email: a.kyllo@chemeng.unimelb.edu.a


Florian K. Kongoli                     Peter W. Krag                           Markku Kyto
Researcher                             Senior Engineer                         VP Technology
Flogen Technologies                    PO Box 193965                           Outokumpu Technology Oy
PO Box 49529 CP Du-Musee               50 Beale St                             Riihitontuntie 7E
Montreal, PQ H3T 2A5                   San Francisco, CA 94119-3965            PO Box 86
Canada                                 Phone: (415)752-8717                    Espoo, FIN-02201
Phone: (514)344-8786                   Fax:    (415)768-3398                   Finland
Fax:    (514)344-0361                  Email: pkrag@worldnet.att.net           Phone: 011-358-42-1241-0
Email: flomi@step.polymtl.ca                                                   Fax:     011-358-42-1389-1
                                                                               Email: markku.kyto@outokumpu.fi
Steve R. Konieczki                     Konrad Kundig                           Gustavo Lagos
Planning Mgr                           Metallurgical Consultant                Catholic University of Chile
1587 W Ina Rd                          2 Schoolhouse Rd                        Santiago,
Tucson, AZ 85704-1926                  Randolph, NJ 07869-3122                 Chile
Phone: (520) 575-0691                  Phone: (973)361-8789                    Phone: 56-2-6865895
Fax:   (520) 575-0691                  Fax:    (973)361-5760                   Email: glagos@ing.puc.ch
Email: skoniec103@aol.com              Email: kkundig@copper.org




Gary Kordosky                          Rosalie Kundig                          V. (Lucky) I. Lakshmanan
Henkel Coporation                                                              Vice-Chairman
2430 N. Huachua Drive                                                          Process Rsch ORTECH Inc
Tucson, AZ 85745                                                               2395 Speakman Dr
                                                                               Mississauga, ON L5K 1B3
                                                                               Canada
                                                                               Phone: (905)822-4941-216
                                                                               Fax:    (905)822-9537
                                                                               Email: vlakshmanan.ortech.on.ca


Gary Kordosky                          Aimo Kurki                              Carlos Landolt
Henckel Corp                           VP of Sales/Nonferrous Pyrometallurgy   Superintendent-Process Tech
2430 N. Huachuca Dr                    Outokumpu Engineering                   INCO Ltd
Tucson, AZ 85745                       PO Box 862                              Central Process Technology
Phone: 520-629-3206                    Espoo, FIN 02201                        Copper Cliff, ONT P0M 1N0
Fax:   520-624-0912                    Finland                                 CANADA
                                       Phone: 011-358-9-421-2775               Phone: (705)682-5191
                                       Fax:    011-358-9-421-3973              Fax:    (705)682-7724
                                       Email: aimo.kurki@outokumpu.com




10/26/99                                                                              Page 20 of 42
David Mike Lane                  Hans-Olof Larsson                      Hannu Lehtonen
Principal Met Engineer           General Manager                        Vice President, Marketing
Bechtel Corp                     Outokumpu Wenmec AB                    Kumera Corp
7229 S Alton Way                 PO Box 175                             Technology Center
Englewood, CO 80112-2202         Kil, S 66525                           Kumerankatu 2
Phone: (303) 486-6069            Sweden                                 Riihimaki, FIN-11100
Fax:    (303) 486-6300           Phone: 011 46 554 33200                Finland
Email: dmlane@bechtel.com        Fax:    011 46 554 12828               Phone: 011-358-9-749302
                                 Email: hans-olof.larsson@outokumpu.c   Fax:    011-358-9-749320
                                                                        Email: hannu.lehtonen@kumera.fi
Remi Lapointe                    Andrew T. Lavella                      Masangu Lenge
Sr Metallurgist                  Director Information Systems           Head of Research & Development
Noranda Inc                      TMS                                    Gecamines - Direction Technique
PO Box 4000                      184 Thorn Hill Rd                      30-32 Bld Du Souverain
Rouyn Noranda, PQ J9X 5B6        Warrendale, PA 15086-7528              Bruxelles, 1170
Canada                           Phone: (724)776-9000-221               Belgium
Phone: (814)762-7764-X2763       Fax:    (724)776-3770                  Phone: 011-322-676-8205
Fax:   (819)762-5172             Email: lavella@tms.org                 Fax:    011-322-676-8048



Carlos Lara                      Michael LeCompte                       Jean-Francois Leroux
Servigos Industries Penoles      Buffalo Power Elec Cntr                Smelter Tech Svcs Supr
Antonio Coello 310               166 Taylor Dr                          Noranda Inc Mines Gaspe
Nuevo Leon, 64010                Depew, NY 14120                        CP 727
Mexico                           Phone: 716-651-1689                    Murdochville, PQ G0E 1W0
                                 Fax:    716-651-1638                   Canada
                                                                        Phone: (418)784-2658
                                                                        Fax:    (418)784-3805
                                                                        Email: lerouxjf@minesgaspe.com


Pascal Larouche                  Bernard J. Ledeboer                    Bertrand Lessard
McGill Univ                      Electrometallurgy Consultant           Mgr - Production Copper
208 Villeneuve West              205 W 41st Ave                         Noranda Inc - CCR Refinery
Montreal, PQ H2T 2R7             San Mateo, CA 94403-4303               220 Ave Durocher
Canada                           Phone: (650) 570-6046                  Montreal-East, PQ H1B 5H6
Phone: (514) 398-4755 x09521     Fax:    (650) 571-6086                 Canada
Fax:    (514) 398-4492           Email: beledeboer@email.msn.com        Phone: (514) 645-2311
Email: plarou@po-box.mcgill.ca                                          Fax:    (514) 640-2090



Maria H. Larravide               Peter W. Lee                           Wolfgang Leutloff
Technical Adviser                Process Engineer                       Maerz-Gaustschi
Procobre - Chile                 INCO Tech Svcs Ltd                     Dusseldorf,
Santo Domingo 550                2060 Flavelle Blvd                     Germany
Santiago, 6500408                Mississauga, ON L5K 1Z9
Chile                            Canada
Phone: 011-562-632-2520          Phone: (905)403-2528
Fax:   011-562-638-1200          Fax:    (905)403-2403
Email: hlarra@reuna.cl


Kenneth H. Larson                Jouni Lehtinen                         Wolfgang H.K. Leutloff
Manager - Technical Svcs         Marketing Mgr                          Head of Copper Dept
Cyprus Miami Mining Corp         Ahlstrom Pumps Corp                    Maerz-Gautschi Industrial GmbH
PO Box 4444                      PO Box 18                              Cornelius Str 36
Claypool, AZ 85532-4444          Karhula                                Dusseldorf, 40215
Phone: (520) 473-7009            Kotka, 48601                           Phone: 011-49-211-38425-48
Fax:   (520) 473-7247            Finland                                Fax:    011-49-211-38425-20
Email: klarson@cyprus.com        Phone: 011-358-5-224-1111              Email: wolfgang.leutloff@maerz-gautsch
                                 Fax:    011-358-5-263-958                     i.com
                                 Email: jouni.lehtinen@ahlstrom.com



10/26/99                                                                       Page 21 of 42
Wonlfgang H.K. Leutloff                  Colin C. Lindsay                       Tomas S. Lorca
Head of Copper Dept                      Project Mgr                            Consultant
Maerz-Gautschi Industrial GmbH           Falconbridge Chile SA                  Henkel Corp
Cornelius Str 36                         Av 11 De Septembre 2353, P10           El Yado #7749
Dusseldorf, 40215                        Santiago                               Antofagasta
Germany                                  Chile                                  Chile
Phone: 011-49-211-38425-48               Phone: 011-562-233-6670                Phone: 011-56-55-236836
Fax:    011-49-211-38425-20              Fax:    011-562-231-5237               Fax:    011-56-55-237696
Email: wolfgang.leutloff@maerz-gautsch   Email: clindsay@falconbridge.com       Email: tomas.lorca@henkel-americas.co


Marc LeVier                              Jong L. Liow                           Adalbert Lossin
Manager-Process Technology               Sr Research Fellow                     Norddeutsche Affinerie
Newmont Mining Corp                      Univ of Melbourne                      Hovestrasse 50
10101 E Dry Creek Rd                     25 Penderel Way                        Hamburg, 20539
Englewood, CO 80112-1556                 Bulleen, VIC 3105                      Germany
Phone: (303) 708-4424                    AUSTRALIA                              Phone: 011 49 40 7883 3280
Fax:   (303) 708-4020                    Phone: 011-61-3-9344-7494              Fax:   011 49 40 7883 3180
Email: mlevier4424@corp.newmont.com      Fax:    011-61-3-9344-4952             Email: alossin@affinerie-hamburg.de
                                         Email: j.liow@chemeng.unimelb.edu.au


Richard Lewin                            Alejandro J. Lira                      Antonio A. Luraschi
General Mgr - Trail Operations           Managing Dir                           Head Engineer, Metallurgy
Agra Simons                              Outokumpu Mexicana SA De CV            Cade IDEPE Ing Consultores
1385 Cedar Ave                           Goethe No 72                           2640 Jose Domingo Canas Nunoa
Trail, BC V1R 4L7                        Col Anzures                            PO Box 14174 Correo 21
Canada                                   Mexico DF, 11590                       Santiago
Phone: (250) 368-2506                    Mexico                                 Chile
Fax:    (250) 368-2401                   Phone: 011-525-203-5968                Phone: 011-562-640-6721
Email: rlewin@hasimons.com               Fax:   011-525-203-1018                Fax:   011-562-274-5315
                                         Email: alejandro.lira@outokumpu.com    Email: mail@cadeidepe.cl
Michael Liesegang                        Craig J. Lockhart                      Leonard J. Lutz
Huttenwerke Kayser AG                    Concentrator Metallurgist              Director Product Development
Kupferstrasse 23                         Phelps Dodge Chino Mines Co            Merrlin LLC
Lunen, D-44532                           PO Box 7                               10750 CR 2000
Germany                                  Hurley, NM 88043                       P O Box 184
Phone: 011-49-2306-108-484               Phone: (505) 537-4417                  Rolla, MO 65402
Fax:   011-49-2306-108-435               Fax:    (505) 537-4407                 Phone: (573)364-4417
Email: quality@huette-kayser.de          Email: clockhart@phelpsd.com           Fax:    (573)364-1661
                                                                                Email: merrlin@rollanet.org


Cooreman Lieven                          James M. Lommen                        Mpoyo Raymond Mabwisha
Managing Director                        Consultant                             Metallurgical Rsch Div Mgr
UM Engineering                           Fluor Daniel Inc                       Gecamines
Hernando De Aguiare 201 Of 1401          10547 W 69th Pl                        Dept Metallurgie
Santiago                                 Arvada, CO 80004                       30-32 Bld Du Souverain
Chile                                    Phone: (303) 423-0520                  Bruxelles, 1170
Phone: 011-562-244-5411                  Fax:    (303) 423-0521                 Belgium
Fax:    011-562-244-5422                 Email: jim.lommen@fluordaniel.com      Phone: 011-322-676-8576
Email: lco.um@reuna.cl                                                          Fax:    011-322-676-8576


Alejandro R. Lillo                       Jose Luis Lopez                        Iain B. Mackenzie
Intl Sales Manager                       Plant Manager                          Vise Pres.
Royston Lead Ltd                         Mexicana De Cananea S A De C V         Imacro Inc
Hernando De Aguirre 162 Of. 1004         Av Juarez #4                           PO Box 62088
Providencia                              Cananea                                Burlington, ON L7R 4K2
Santiago                                 Sonora, 84620                          Canada
Chile                                    Mexico                                 Phone: (905) 634-3133
Phone: 011-562-335-2217                  Phone: 011-526-332-8035                Fax:    (905) 333-4767
Fax:     011-562-321-8280                Fax:    011-526-332-6574               Email: imacro@sympatico.ca
Email: alillo@ctcreuna.cl                Email: jluislop@pcdlink.com



10/26/99                                                                               Page 22 of 42
Phillip J. Mackey                     Terry S. Maio                   Werner Marnette
Principal Engr                        Supt Copper Operations          Chairman of Exec. Board
Noranda Technology Ctr                Kennecott Utah Copper           Norddeutsche Affinerie AG
Copper Group Cuivre                   PO Box 280                      Hovestrasse 50
240 Hymus Blvd                        Magna, UT 84044                 Hamberg, 20539
Pointe Claire, PQ H9R 1G5             Phone: (801) 569-6773           Germany
Canada                                Fax:    (801) 569-7719          Phone: 011-49-40-7883-3258
Phone: (514)630-9490                  Email: maiot@kennecott.com      Fax:   011-49-40-7883-3249
Fax:     (514)630-9379
Email: mackey@ntc.noranda.com
Dan A. Mackie                         Robert Malanga                  John O. Marsden
President                             Sales Repesentative             Phelps Dodge Mining Co
Ecovery Inc                           N.Amer.& Radex Refract          2600 N Central Ave
604-1903 Pilgrims Way                 PO Box 42711                    Phoenix, AZ 85004
Oakville, ON L6M 2X1                  Tucson, AZ 85733-2711           Phone: (602)234-8100
Canada                                Phone: (520)797-0613            Fax:    (602)234-8095
Phone: (905) 469-0505                 Fax:    (520)797-0613           Email: jmarsden@phelpsd.com
Fax:    (905) 469-1062
Email: danmackie@sympatico.ca


Brian Macnamara                       Robert Malanga                  Douglas A. Marshall
Sr Project Engr                       Sales Repesentative             Div Mgr Major Projects Copper
Falconbridge Ltd                      N.Amer.& Veisch-Radex Refract   WMC Resources
Edison Bldg                           PO Box 42711                    P O Box 474
Falconbridge, ON P0M 1S0              Tucson, AZ 85733-2711           Marleston
Canada                                Phone: (520)797-0613            South Australia, 5033
Phone: (705) 693-2761                 Fax:    (520)797-0613           Australia
Fax:    (705) 699-3115                                                Phone: 011-61-8-8405-8235
Email: brian_macnamara@sudbury.falc                                   Fax:    011-61-8-8405-8288
                                                                      Email: doug.marshall@wmc.com.au
W. David Madeley                      Christopher Mapes               Tom Erland Marttila
Sr Project Metallurgist               Sr. Research Engr               Vice Pres. - Tankhouse Technology
Teck Corp                             Phelps Dodge Mining Co          Outokumpu Wenmec Oy
200 Burrard St Ste 600                9780 E Sanchez Rd               PO Box 103
Vancouver, BC V6C 319                 Safford, AZ 85546-7400          Espoo, 02201
Canada                                Phone: (520) 865-6411           Finland
Phone: (604)687-1117                  Fax:    (520) 428-3714          Phone: 011-358-9-4211
Fax:    (604) 640-5385                Email: cmapes@phelpsdodge.com   Fax:    011-358-9-421-2494
Email: madeleyd@teckcorp.ca                                           Email: tom.marttila@outokumpu.com


Charles J. Maes                       Michael J. Marinigh             Ernest Daniel Mast
Regional Manager                      Sales Director                  Sr Metallurgical Consultant
Avecia Inc.                           Heath & Sherwood USA            Fundicion Altomente
3259 E Harbour Dr                     5299 DTC Blvd Ste 500           Avenida Antonio Rendic 5032
Suite 100                             Englewood, CO 80111             Antofagasta,
Phoenix, AZ 85034-7227                Phone: (303)773-2720            CHILE
Phone: (602)470-5020                  Fax:    (303)773-2970           Phone: 011 56 55 630143
Fax:    (602)470-5030                 Email: hsmjm@aol.com            Fax:   011 56 55 630132
Email: charles.maes@avecia.com                                        Email: ernestom@cobre.reuna.cl


Paul G. Mahoney                       Peter Marinigh                  Jan W. Matousek
Vice Pres-S American Sls              President                       PE Metallurgical Engineer
Kvaerner Metals                       Heath & Sherwood Ltd            5942 S Emporia Cir
12657 Alcosta Blvd Ste 200            29 Duncan Ave North             Englewood, CO 80111-5415
San Ramon, CA 94583-4433              Kirkland Lake, ON P2N 3J2       Phone: (303)770-3936
Phone: (925) 866-6404                 Canada                          Fax:   (303)773-2704
Fax:    (925) 866-6320                Phone: (705)567-5313
Email: paul.mahoney@kvaerner.com      Fax:    (705)568-8545
                                      Email: jpmarin@vianet.on.ca




10/26/99                                                                    Page 23 of 42
Jose Matta                             Sandy DA Mckinty                  Robert Joseph Menard
Codelco-Chile                          Senior Vice President             Vice Pres
Minasur-Oxidos                         Auburn Industrial Svcs Ltd        Cambior - Projects & Construction
Chuavicamata,                          3285 Mainway Unit 4               East Tower #750
Chile                                  Burlington, ON L7M 1A6            1111 St Charles St W
                                       Canada                            Lonqueuil, PQ J4K 5G4
                                       Phone: (905)335-1172              Canada
                                       Fax:    (905)335-8022             Phone: (450) 677-0040
                                       Email: auburn@netcom.ca           Fax:    (450) 677-3382
                                                                         Email: robert_menard@cambior.com
Charles Herbert Maxwell                Richard H. McRae                  Joaquim Carlos C. Menezes
Sr Principal Engr                      Consultant                        Smelter Operations
Phelps Dodge Corp                      Desom Environmental Systems Ltd   Caraiba Metais SA
566 S Main St                          10760 N Stargazer Dr              Via Do Cobre 3700
Pima, AZ 85543-9753                    Tucson, AZ 85737-8623             Polo Petroquimico
Phone: (520) 348-0803                  Phone: (520) 297-0467             Dias D'Avila, 3700
Fax:    (520) 428-3714                                                   Brazil
Email: cmaxwell@phelpsdodge                                              Phone: 011-71-832-2074
                                                                         Fax:    011-71-834-1631
                                                                         Email: joaquimmenezes@paranapanem
James T. McClements                    John McWharf                      Ulf Meyer
Chief Investment Officer               Business Analysis Consultant      Metallurgist - Copper Refinery
Resource Capital Fund LP               DuPont                            Atlantic Copper SA
370 17th St                            18 Austin Rd                      Avda Francisco Montenegro S/N
Suite 2150                             Wilmington, DE 19810              Huelva, 21001
Denver, CO 80202-1370                  Phone: (302) 992-3871             Spain
Phone: (303) 607-9890                  Fax:    (302) 992-4140            Phone: 011-34-959-210781
Fax:    (303) 607-0150                                                   Fax:     011-34-959-210760
Email: jtm@rothden.com                                                   Email: ulf_meyer@fmi.com


Richard J. McClincy                    Robert A. Medower                 Jose Santos Meza
Director of Metallurgy                 Princ Indus Spec                  Superintendent Process
Kvaerner Metals                        Foxboro Co                        Compania Minera Lomas Bayas
12657 Alcosta Blvd                     6887 Stonewood Ct                 Galleguillos Lorca 1610
E & C Division                         Eden Prairie, MN 55346-2947       Antofagasta
San Ramon, CA 94583-4433               Phone: (612) 949-0510             Region II
Phone: (925) 866-6235                  Fax:    (612) 949-0702            Chile
Fax:    (925) 244-6020                 Email: rmedower@foxboro.com       Phone: 011-56-55-200600
Email: richard.mcclincy@kvaerner.com                                     Fax:    011-56-55-229387
                                                                         Email: jmeza@lomas-bayas.cl
Walter E. Mcculloch, Jr.               Thomas Meier                      Indje Mihaylov
Process Engr                           Process Engineer                  Inco Technical Svcs Ltd
Bateman Engineering Inc                12 Church St                      2060 Flavelle Blvd
305 S Euclid Ave                       Flin Flon, MB R8A 1K4             Mississauga, ON L5K 1Z9
Tucson, AZ 85719-6649                  Canada                            Canada
Phone: (520) 624-7810                  Phone: (204)687-2356              Phone: (905) 403-2507
Fax:   (520) 624-7820                  Email: meier_t@hotmail.com        Fax:    (905) 403-2401
Email: bateman@azstarnet.com



Patrick E. Mcgee                       Zimi Meka                         Hajime Miki
Director of Sales                      Engrg Director                    Grad Student
DeNora North America                   Ausenco Ltd                       Hokkaido Univ
39 Veronica Ave                        56 Sylvan Rd Toowong              Grad School of Engineering
Somerset, NJ 08873-6800                Brisbane                          Kita 13 Nishi 8 Kita-ku
Phone: (732) 545-5100                  Queensland, 4066                  Sapparo, Hokkaido, 060-8628
Fax:    (732) 545-5170                 Australia                         Japan
Email: pmjr@msn.com                    Phone: 011-61-7-3870-0990         Phone: 011-81-11-706-6315
                                       Fax:    011-61-7-3371-6471        Fax:    011-81-11-706-6315
                                       Email: zmeka@ausenco.com.au       Email: hajime@eng.hokudai.ac.jp



10/26/99                                                                        Page 24 of 42
David Miller                         Tony P. Moore                         Anthony Moyes
Business Development Specialist      Tech Specialist                       Intec Copper Pty Ltd
Phillips Mining Chemicals            Stahl Australia                       22 Burrows Road
848 Adams Building                   15 Sammut St                          Sydney, NSW 2044
Bartlesville, OK 74004-0001          Smithfield                            Australia
Phone: (918) 661-0491                Sydney, 2164                          Phone: 61-2-95652122
Fax:     (918) 662-1016              Australia                             Fax:    61-2-95652133
Email: dcmille@ppco.com              Phone: 011-61-2-9604-6666             Email: john@copper.intec.com.au
                                     Fax:    011-61-2-9604-6467
                                     Email: tony.moore@stahl.com
Paul C. Miller                       Ivan M Santos Moraes                  Frank Mucciardi
Technical Mgr                        Technology Manager                    Professor
Bactech                              Caraiba Metals SA                     McGill Univ
PO Box 355                           Via Do Cobre 3700                     Dept Of Mining & Met
Belmont                              Dias D'Avila                          3610 University
Western Australia, 6020              Bahia, 42850                          Montreal, PQ H3A 2B2
Australia                            Brazil                                Canada
Phone: 011-61-8-9353-6209            Phone: 011-55-71-834-1612             Phone: (514) 398-7258
Fax:    011-61-8-9353-6210           Fax:    011-55-71-832-2070            Fax:    (514) 398-7379
Email: bactech@bactech.com           Email: ivanmore.garaiba@paranapanem   Email: frank@neg1.lan.mcgill.ca
Dan ED Millner                       Otacilio Pinto Morais                 Dietmar Mueller
Vice Pres - Sales, Hydrometallurgy   Mechanical Engineer                   Sr Project Engineer
Outokumpu Engr Contractors Oy        Caraiba Metals SA                     BMH Claudius Peters
PO Box 862                           Via do Cobre 3700-AIO II              Schanzenstrasse 40
Espoo, FIN-02201                     COPEC Dias D'Avila BA                 Ruxtehude
Finland                              Bahia, 40.850000                      Germany
Phone: 011-358-9-4211                Brazil                                Phone: 011-49-4161-706596
Fax:    011-358-9-421-3974           Phone: 011-55-71-832-2030             Fax:    011-49-4161-706270
Email: dan.millner@outokumpu.com     Fax:     011-55-71-834-1640           Email: dietmar.mueller@bmhclaudiuspe


David G. Miranda                     John Morley                           Daniel G. Murillo Ramirez
Operations Superintendent            General Metal Diffusion               Mining Area Mgr
Phelps Dodge Morenci Inc             815 Great Northern Road               Quimica Anglo Chilena SA
4521 US Hwy 191                      Sault Ste Marie, Ont P6A 5K7          Calle Dos #9463
Morenci, AZ 85540                    Canada                                Quilicura
Phone: (520) 865-6443                Phone: 705-256-8770                   Santiago
Fax:   (520) 865-2649                Fax:    705-256-8779                  Chile
Email: dmiranda@phelpsdodge.com                                            Phone: 011-562-623-0808
                                                                           Fax:    011-562-623-1987
                                                                           Email: dmurillo@amc.cl
Seiji Mizuno                         Robert D. Morrison                    Patrick J. Murphy
Hiki Kyada Smelting Co Ltd           Technical Director                    Process Coordinator
6-1-1- Hiki                          JK MRC                                Falconbridge Ltd
Tamano City                          Isles Rd                              Kidd Met Div
Okayama, 706-8511                    Indooroopilly, 4068                   Hwy 101 East
Japan                                Australia                             Timmins, ON P4N 7K1
Phone: 011-863-81-3175               Phone: 011-617-3365-5843              Canada
Fax:     011-863-81-3194             Fax:    011-617-3365-5900             Phone: (705) 235-8121
                                     Email: r.morrison@jktech.com.au       Fax:    (705) 235-7313
                                                                           Email: pmurphy@kiddmet.falconbridge.
Charles Montgomery                   Edward N. Mounsey                     Mwema Mutamba
PO Box 700                           Process & Marketing Mgr               Head of Metallurgy Dept
Vail, AZ 85641                       Ausmelt Ltd                           Gecamines - Direction Technique
Phone: 520-647-7429                  12 Kitchen Rd                         30-32 Bld Du Souverain
                                     PO Box 1003                           Bruxelles, 1170
                                     Dandenong, 3175                       Belgium
                                     Australia                             Phone: 011-322-676-8576
                                     Phone: 011-613-9794-6200              Fax:    011-322-676-8576
                                     Fax:    011-613-9794-9411
                                     Email: ausmelt@ozemail.com.au



10/26/99                                                                          Page 25 of 42
Shinichiro Muto                   Manuel P. Neira                        Kalevi J. Nikkila
General Mgr                       Leach - SXEW Hydrometallurgist         President
Mesco Inc                         BH Copper Inc                          Outokumpu Technology Oy
Eng Business Unit Tech Coor Off   10182 N Tarheel Pl                     PO Box 86
2-10-5 Ryogoku Sumida             Tucson, AZ 85737-6935                  Espoo, 02201
Tokyo, 130-8531                   Phone: (520)385-8404                   Finland
Japan                             Fax:    (520)385-8660                  Phone: 011-358-9-421-4205
Phone: 011-81-3-3633-1243         Email: neira.manuel.mp@bhp.com         Fax:    011-358-9-421-2858
Fax:    011-81-3-3633-1091                                               Email: kalevi.nikkila@outokumpu.com
Email: mutou@mesco.co.jp
Takeshi Nagano                    Jean-paul Nepper                       Larry Nisle
Sr Corporate Adviser              Lurgi Metallurgie GmbH                 Marketing Mgr
Mitsubishi Materials Corp         Lurgiallee 5                           Betz Dearborn
15-2 Kakinokizaka 2-chome         Frankfurt, 60295                       98 W 142 N
Meguro-ku                         Germany                                Rupert, ID 83350
Tokyo, 152-0022                   Phone: 011 49 69 5808 3343             Phone: (208) 436-5770
Japan                             Fax:    011 49 69 5808 2404            Fax:    (208) 436-6632
Phone: 011-813-5252-5211          Email: dr_jean-paul_nepper@lurgie.de   Email: lnisle@cyberhighway.net
Fax:    011-813-5252-5274


Rich Nagy                         Valmer H. Ness                         Hiroyoshi Noaki
Book Publishing Coordinator       Sr Metallurgist                        Hokkaido Univ
TMS                               SNC - Lavalin America Inc              Kita 13 Nichi 8
184 Thorn Hill Rd                 5775 DTC Blvd                          Sapporo, 060-8628
Warrendale, PA 15086-7528         Englewood, CO 80111                    Japan
Phone: (724)776-9000-X219         Phone: (303) 689-9144
Fax:   (724)776-3770              Fax:    (303) 689-9148
Email: nagy@tms.org               Email: nessv@snc-lavalin.com



Osamu Nakai                       Christopher J Newman                   Yasunori Nohara
Assist Mgr of Refining Section    Manager-Technical Services             Execituve Assistant
Sumitomo Metal Mining Co Ltd      Kennecott Utah Copper                  Mitsubishi Materials Corp
CTV 145-1 Funaya                  3595 South 8315 West                   1-5-1 Ohtemachi Chiyodaku
Saijo, 793-0095                   PO Box 6001                            Tokyo, 100-8117
Japan                             Magna, UT 84044-6001                   Japan
Phone: 011-81-897-56-1222         Phone: (801)252-3033                   Phone: 011-813-2525-5211
Fax:    011-81-897-56-2020        Fax:    (801)252-3014                  Fax:    011-813-5252-5274
Email: nakai.osamu@ht.smm.co.jp   Email: newmanc@kennecott.com


Rinaldo Pedro Nardi               Roland W. Nice                         Andreas Nolte
Mining Engineer                   Consulting Metallurgist                Engineer of Smelter Division
CIA Vale De Rio Doce              25/1-5 Russell St                      Huettenwerke Kayser AG
BR 262 Km 296                     Wollstonecraft, NSW, 2065              Melanchthonstrasse 51
Santa Luzia                       Australia                              Lunen, D-44536
Minas Gerais, 33030970            Phone: 011-612-9438-5736               GERMANY
Brazil                            Fax:    011-612-9439-2716              Phone: 011-49-2306-108-244
Phone: 011-55-31-691-4416         Email: rwn@wr.com.au                   Fax:   011-49-2306-108-435
Fax:    011-55-31-691-4313
Email: rnardi@cord.com.br
Michael Nees                      M. Curtis Nielson                      Tommy Nordquist
Principal Engineer                Minerals Mgr                           Sr Applications Engineer
Bechtel Corp                      Bateman Engineering                    Cheminova
7229 S Alton Way                  305 S Euclid Ave                       Backaforsv. 28
Englewood, CO 80112-2202          Suite 111                              Lundsbrunn, S-53372
Phone: (303) 486-6049             Tucson, AZ 85719-6649                  Sweden
Fax:    (303) 486-6002            Phone: (520) 624-7810                  Phone: 011-46-511-57743
Email: mrnees@bechtel.com         Fax:    (520) 624-7820                 Fax:    011-46-511-57743
                                  Email: bateman@azstarnet.com           Email: nordquist@cheminova.com




10/26/99                                                                        Page 26 of 42
Dan A. Norrgran                   Thomas J. O'keefe                       Carlos Ortiz
Mgr Minerals & Matls Processing   Professor                               Head of Refinery Operations
Eriez Magnetics                   Univ of Missouri                        Atlantic Copper SA
PO Box 10608                      Mtrls Rsrch Ctr                         Avda Francisco Montenegro S/N
Erie, PA 16514-0608               Dept of Met Eng                         Huelva, 21001
Phone: (814)835-6295              Rolla, MO 65401                         Spain
Fax:    (814)833-4960             Phone: (573)341-4358                    Phone: 011 34 959 210 693
Email: dnorrgran@eriez.com        Fax:    (573)341-2071                   Fax:     011 34 959 210 760
                                  Email: mrc@umr.edu                      Email: carlos_ortiz@fmi.com


Bror G. Nyman                     Stephen M. Olafson                      Michael Packard
Tech Manager                      Business Mgr - North America            Mgr of Meeting Services
Outokumpu Research Oy             Heukel Corp                             TMS
PO Box 60                         2430 N Huachuca Dr                      184 Thorn Hill Rd
Pori, 28101                       Tucson, AZ 85745                        Warrendale, PA 15086
Finland                           Phone: (520) 629-0912                   Phone: (724)776-9000-225
Phone: (358)396-2661-11           Fax:    (520) 624-0912                  Fax:   (724)776-3770
Fax:    (358)396-2653-10          Email: steve.olafson@heukelamericas.c   Email: packard@tms.org
Email: bror.nyman@outokumpu.com          om


Mark F. O'Brien                   Marco Olper                             Antonio Pagliero
Supt Concentrator Operations      Consultant                              Faculty Engineer
Phelps Dodge Morenci Inc          Engitec Technologies                    Univ De Concepcion
4521 US Hwy 191                   Via Borsellino e Falcone, 31            Edmundo Larenan 270
Morenci, AZ 85540                 Novate Milanese, 20026                  Concepcion
Phone: (520) 865-6759             Italy                                   Chile
Fax:   (520) 865-2649             Phone: 011-3902-3821-8202               Phone: 011-56-41-203898
Email: mobrien@phelpsdodge.com    Fax:    011-3902-356-2086               Fax:    011-56-41-253547
                                                                          Email: apaglier@udec.cl


Tom O'Donnell                     Tim Olson                               Bal Panicker
Metallurgist                      Sales Engineer                          VP & General Mgr
Cyprus Miami Mining               Krebs Engineers                         Bechtel Corp
Box 4444                          5505 W Gillette Rd                      7229 South Alton Way
Claypool, AZ 88532                Tucson, AZ 85743-9501                   Englewood, CO 80112
Phone: (520) 473-7386             Phone: (520) 744-8200                   Phone: (303) 486-6006
Fax:    (520) 473-7281            Fax:    (520) 744-8300
Email: todonnell@cyprus.com       Email: krebsengineers@krebs.com



John O'Kane                       Mark Opheim                             Ronald L. Pariani
5 Pebble Beach Ct                 ABB Automation                          Vice President
Balgar Beach, 4816                18809 N 92nd Way                        Outokumpu Technology Inc
Australia                         Scottsdale, AZ 85255                    351 Thornton Rd Ste 115
                                  Phone: 480-515-9209                     Lithia Springs, GA 30122-1589
                                  Fax:   480-515-2934                     Phone: (770)944-2127
                                                                          Fax:    (770)944-2236
                                                                          Email: ron.pariani@outokumpu.com



Patrick Terry O'Kane              Brendon J. O'rourke                     Ron A. Parks
Pres.                             Operations Supt                         Mgr of RMT - North America
O'Kane Consultant Inc             MIM Holdings                            Krupp Polysius Corp
502-455 Granville St              Box 5484 Mail Centre                    180 Interstate N
Vancouver, BC V3K 5T4             Townsville, 4810                        Atlanta, GA 30339
Canada                            Australia                               Phone: (770) 955-3660
Phone: (604) 657-4998             Phone: 011-617-4781-8218                Fax:    (770) 995-8789
Fax:    (604) 931-7739            Fax:    011-617-4778-2308               Email: parksr@polysius.com
Email: ptok@istar.ca              Email: orourkeb@mim.com.au




10/26/99                                                                        Page 27 of 42
Roberto Parra                      Libanio Paulo                         Alberto Pena
Lecturer                           Technology General Manager            AGRA-Simons
Univ de Concepcion                 CIA Vale De Rio Doce                  2700 N. 3rd St
Edmundo Lavueas 270                BR 262 Km 296 CP 09                   Phoenix, AZ 85004
Concepcion                         Santa Luzia                           Phone: 602-200-6535
Chile                              Minas Gerais, 33030970                Fax:    602-200-6500
Phone: 011 56 41 204663            Brazil                                Email: apena@masimons.com
Fax:    011 56 41 220045           Phone: 011-55-31-691-4327
Email: rparra@udec.cl              Fax:    011-55-31-691-1375
                                   Email: libanio@cvrd.com.br
Eric H. Partelpoeg                 Steven Paulson                        Fred Pena
Manager Smelter Projects           Product Manager                       Suedala
The Winters Company                Nalco Chemical Company                160 Woodland Dr
5151 E Broadway Blvd               1 Nalco Ctr                           York, PA 17403
Ste 900                            Naperville, IL 60563-1252             Phone: 717-843-8671
Tucson, AZ 85711-3705              Phone: (630) 305-1072                 Fax:   717-845-5154
Phone: (520)745-8477               Fax:    (630) 305-2879
Fax:    (520)745-8470              Email: spaulson@nalco.com
Email: ericp@twceng.com


Jarkko K. Partinen                 John G. Peacey                        Michael J. Perpich
Project Mgr                        Director of Technology                Product Specialist
Kumera Corp                        Noranda Inc                           ECI Technology
Kumerankatu 2                      240 Hymus Blvd                        1 Madison St
Riihimaki, FIN-11100               Pointe Claire, PQ H9R 1G5             East Rutherford, NJ 07073-1605
Finland                            Canada                                Phone: (973) 773-8686
Phone: 011-358-19-749316           Phone: (514) 630-9501                 Fax:    (973) 773-8797
Fax:    011-358-19-749320          Fax:    (514) 630-9501                Email: jperpich@ecitechnology.com
Email: jarkko.partinen@kumara.fi


Ovidiu D. Pasca                    Rauno Peippo                          Willy Persson
Metallurgist                       Director                              Semtech Metallurgy AB
BHP Copper Inc                     Foster Wheeler Energia Oy             Ideon
PO Box M                           PO Box 201                            Lund, S-22370
200 S Redington Rd                 Varkaus, FIN-78201                    Sweden
San Manuel, AZ 85631-0460          Finland                               Phone: 011-46-46-182551
Phone: (520)385-3263               Phone: (011)358-103-9311              Fax:    011-46-46-2118871
Fax:    (520)385-3449              Fax:     (011)358-103-937689
Email: pasca.oviod@bhp.com.au      Email: rauno_peippo@fwfin.fwc.com


Bhaskar Patel                      Pertti M. Pekkala                     Dale T Peters
Director Adj Services Tech         Process Engineering                   Vice President
VRD Canada Inc.                    Outokumpu Engr Contractors Oy         Copper Developmnt Assn Inc
1465 Graham Bell                   PO Box 862                            27 Raintree Lane
Boucherville, PQ J4B 6A1           Espoo, FIN-02201                      Hilton Head Island, SC 29926
Canada                             Finland                               Phone: (843) 681-4121
Phone: (450) 641-1730              Phone: 011-358-9-4211                 Fax:    (212)251-7234
Fax:    (450) 641-4677             Fax:    011-358-9-421-3974            Email: d_jpeters@hargray.com
Email: bpatel@drobas.net           Email: pertti.pekkala@outokumpu.com


Guillaume Patrick                  Arthur D. Pelton                      Esa J. Peuraniemi
Business Development Exec          Professoror                           Helsinki Univ of Tech
UM Engineering                     Ecole Polytechnique                   PO Box 6200
Rue Du Bosquet 4                   PO Box 6079                           Espoo, FIN-02015
Louvain-La-Neuve                   Station Downtown                      Finland
Brabant, 1348                      Montreal, PQ H3C 3A7                  Phone: 011 358 9 4512770
Belgium                            CANADA                                Fax:    011 358 9 4512799
Phone: 011-32-10-475611            Phone: (514)340-4711 x 4531           Email: esa.peuraniemi@hut.fi
Fax:   011-32-10-450401            Fax:    (514)340-5840
Email: patrick.guillaume@um.be     Email: apelton@mail.polymtl.ca



10/26/99                                                                        Page 28 of 42
Brian Phelan                       Norbert L. Piret                   Dan Pozzobon
BHA Co                             Consulting Engineers               Aisco Systems Inc
8800 E. 63rd St                    Piret & Stolberg Partners          1551 Corporate Dr
Kansas City, MO 64133              1M Licht 12                        Box 655
Phone: 816-356-8400                Duisburg, 47279                    Burlington, ON L7R 3Y5
Fax:   816-356-1873                Germany                            Canada
Email: bphelan@bhagroup.com        Phone: 011-49-203-722396           Phone: (905) 335-0002
                                   Fax:    011-49-203-723947          Fax:    (905) 335-9643
                                   Email: nlp.p-sp.dbg@t-online.de


Stephan L. Pidhayny                Ian Pirie                          Charles G. Preble
Metallurgist                       Inmet Mining Corp                  3180 E Crest Shadows Dr
Phelps Dodge Morenci Inc           Suite 3400 Aetna Tower             Tucson, AZ 85718-1348
4521 US Hwy 191                    79 Wellington St W                 Email: cgpreble@aol.com
Morenci, AZ 85540                  Toronto, Ont M5K 1A1
Phone: (520) 865-6175              Canada
Fax:    (520) 865-2649
Email: spidhayny@phelpsdodge.com



Pablo Matias Pincheira             Chris Pirotte                      Neal Preimesberger
Mathematical Engineer              Mgr - Sales                        TA Caid
Chilean Copper Commission          BHA Group Inc                      2275 E. Ganley Rd
Agustinas 1161 Piso 4              8800 E 63rd St                     Tucson, AZ 85706
Santiago                           Kansas City, MO 64133-4801         Phone: 520-294-3126
Chile                              Phone: (816) 356-8400              Fax:   520-294-8180
Phone: 011-562-382-8251            Fax:    (816) 353-1873             Email: nealp@tacaid.com
Fax:   011-562-382-300
Email: ppinchei@cochilco.cl


Tom Pinder                         Leopoldo S Plariscol               R. David Prengaman
Mgr - Mining Sales                 Grupo Mexico                       President
Great Western Chem Co              Apertodo Postal No. 20             RSR Technologies Inc
4504 Table Mountain Dr             Nacozari, 84340                    2777 Stemmons Freeway Ste 1800
Golden, CO 80403-1602              Mexico                             Dallas, TX 75207
Phone: (303) 809-0136              Phone: 52-634-2-90-37              Phone: (214)583-0359
Fax:    (303) 273-9558             Fax:   52-634-2-90-22              Fax:    (214)631-6092
Email: tompinder@gwchem.com                                           Email: rsrtech@onramp.net



John J. Pio                        Otokar Pogacnik                    David W. Prins
ElectroCopper Prod. Limited        Mgr Engineering                    General Mgr
7791 E Calle Bien Nacida           Noranda Inc - CCR Refinery         Compania Minera Zaldivar
Tucson, AZ 85750-7051              220 Ave Durochen                   Ave Balmaceda 2538 Piso 4
Phone: (602)491-4600               Montreal-East, PQ H1B 5H6          Antofagasta
Fax:    (602)491-5005              Canada                             Chile
Email: jjpio@primenet.com          Phone: (514) 645-2311              Phone: 011-56-55-205178
                                   Fax:    (514) 640-2090             Fax:   011-56-55-205091



Marco Aurelio Pires                Melinda RL Pon                     James Pritchard
General Mgr                        Mgr - Occupational Environ         Isasmelt Business Mgr
Compania Vale De Rio Doce          BHP                                MIM Holdings Ltd
BR 262 KM 236                      550 California St                  53 Gem Rd
Santa Luzia                        San Francisco, CA 94104            Kenmore, QLD 4069
Minas Gerais, 33030-970            Phone: (415)774-2218               AUSTRALIA
Brazil                             Fax:    (415)774-2028              Phone: 011 617 3833 8508
Phone: 011-55-31-691-4521          Email: pon.melinda.mr@bhp.com.au   Fax:    011 617 3833 8555
Fax:   011-55-31-691-4590                                             Email: j.pritchard@mim.com.au
Email: marcoap@cvrd.com.br



10/26/99                                                                    Page 29 of 42
Alex C. Probst                       V. Ramachandran                      Samuel A. Rasmussen
Minerals Technical Engr Specialist   Senior Consultant                    Superintendent
GL&V/Dorr-Oliver                     Asarco Inc                           Phelps Dodge Morenci Inc
333 S Allison Pkwy Ste 304           Tech Serv Center                     4521 US Highway 191
Denver, CO 80226-3115                3422 S 700 West                      Morenci, AZ 85540-9700
Phone: (303) 986-4656                Salt Lake City, UT 84119-4191        Phone: (520) 865-6456
Fax:    (303) 986-4959               Phone: (801)263-5224                 Fax:   (520) 865-2234
Email: probst@dorr-oliver.com        Fax:    (801)261-2194                Email: srasmussen@phelpsdodge.com
                                     Email: vramachandran@asarco.com


Kevin L. Purdy                       Anand S. Raman                       Gera Rath
Sr. Prinicpal Engr                   Hydrometallurgical Superintendent    General Manager
Phelps Dodge Mining Co               Chino Mines Co.                      Wolfgang - Reuter - Platz
9780 E Sanchez Rd                    PO Box 7                             Duisburg, 47053
Safford, AZ 85546-7400               Hurley, NM 88043-0007                Germany
Phone: (520) 848-0802                Phone: (505) 537-4282                Phone: 011-49-203-605-3691
Fax:     (520) 428-3714              Fax:    (505) 537-2645               Fax:   011-49-203-605-4212
Email: kpurdy@phelpsdodge.com        Email: araman@phelpsd.com            Email: gera.rath@mdm.mdewag.com



Jack Purvis                          Victor Ramirez                       Bruce Read
Consultant                           Avecia Ltd                           SGS Group
15 Butterfield Dr                    Andres de Ivenzalida 147             4665 Paris St
Toronto, ON M3A 2L9                  Santiago,                            Suite 200-B
Canada                               Chile                                Denver, CO 80239-3126
Phone: (416) 445-2475                Phone: 56-2-3365300                  Phone: (303) 373-4772
Fax:    (416) 443-0343               Fax:    56-2-3365310                 Fax:    (303) 373-4884
Email: jdpurvis@home.com             Email: victor.ramirez@avecia.com



Paul B. Queneau                      Manuel Ramos                         David J. Readett
Consulting Metallurgical Eng         Copper Refinery Manager              Group Mgr Proc & Eng
P B Queneau & Assoc Inc              Mexicana de Cobre                    Straits Resources Ltd
5950 McIntyre St (CMRI)              Rio Amazonas #301                    Level 3
Golden, CO 80403-7400                Esqueda-Fronteras                    1 Alfred St
Phone: (303)279-2581 x253            Sonora, 84330                        Sydney, NSW 2000
Fax:    (303)279-6061                Mexico                               Australia
Email: colomin@sni.net               Phone: 011-52-634-29012              Phone: 011 612 9498-2170
                                     Fax:   011-52-634-29024              Fax:     011 612 9241-2465
                                     Email: manuelramosrada@hotmail.com   Email: dreadett@straits.com.au
John P. Quinn                        Irshad A. Rana                       Peter C. Regan
Superintendent                       Project Manager                      Vice President
Phelps Dodge Refining Corp           Fluor Daniel Inc                     Hazelett Strip Casting Corp
PO Box 20001                         43686 Skye Rd                        PO Box 600
7001 N Loop Rd                       Fremont, CA 94539                    Colchester, VT 05446
El Paso, TX 79998                    Phone: (510)651-3678                 Phone: (802)863-6376
Phone: (915)775-8884                 Fax:    (510) 979-0416               Fax:   (802)863-1523
Fax:    (915)775-8341                Email: irshad.rana@fluordaniel.com   Email: hazelett@hazelett.com
Email: jquinn@phelpsdodge.com


Mark A. Rafferty                     Tiina M. Ranki                       Kenneth R Rhodes
Regional Manager                     Helsinki Univ of Tech                Maerz Gautschi USA
North American Refractories Co       PO Box 6200                          PO Box 1509
7831 Paramount Blvd                  Espoo, FIN-02015                     Athens, GA 30603-1509
Pico Rivera, CA 90660                Finland                              Phone: (770)725-9952
Phone: (562)942-2151                 Phone: 011-358-9-4511                Fax:   (770)725-7596
Fax:    (562)942-1494                Fax:    011-358-9-451-2799           Email: krhodes2@cs.com
Email: marafferty@aol.com            Email: tiina.ranki@hut.fi




10/26/99                                                                         Page 30 of 42
Geoff Richmond                        Joe E. Rigby                            Joanna M. Robertson
Chief Metallurgist                    Process Engineer                        Pricipal Engr
Western Metals Resources Ltd          Hatch Associates                        Phelps Dodge Mining Co
PO Box 952                            251 O Connor Ridge Blvd Ste 270         9780 E Sanchez Rd
Burnie, 7320                          Irving, TX 75038-6517                   Safford, AZ 85546-7400
Australia                             Phone: (972) 650-2010                   Phone: (520) 348-0806
Phone: 011-3-6431-6333                Fax:     (972) 650-0410                 Fax:     (520) 428-3714
Fax:    011-3-6431-6896               Email: jrigby@hatch.ca                  Email: jrobertson@phelpsdodge.com
Email: westmet.burnie@tassie.net.au


Ulf Richter                           William Riggs                           David W. Robinson
Technical Director                    Cytec                                   Bechtel Corp
BHA Group Inc                         106 Capetown Slip                       7229 S Alton Way
8800 E 63rd St                        Montgomery, TX 77356                    Englewood, CO 80112-2202
Kansas City, MO 64133-4801            Phone: 281-300-8964                     Phone: (303) 486-6107
Phone: (816) 356-8400                 Fax:    281-300-8964                    Fax:    (303) 486-6097
Fax:    (816) 353-1873                Email: bariggs@rocketmail.com           Email: dwrobins@bechtel.com




Ulrike Richter                        Arto K. Riihimaki                       Douglas J. Robinson
Schonburg,                            Chief Metallurgist                      President
Germany                               Ahlstrom Pumps Corp                     Dremco Inc
Phone: 49-3445-750076                 PO Box 18                               17020 N 32nd St
                                      Karhula                                 Phoenix, AZ 85032-2706
                                      Kotka, 48601                            Phone: (602) 787-8105
                                      Finland                                 Fax:   (602) 787-8106
                                      Phone: 011-358-5-224-3210               Email: doug@dremco.com
                                      Fax:    011-358-5-224-2213
                                      Email: arto.riihimaki@ahlstrom.com
Forrest R. Rickard                    Hans Rinnhofer                          Tim Robinson
Consultant                            Managing Dir                            VP Sales/Marketing
Phelps Dodge Corp                     Maerz-Gautschi Industrial GmbH          CIT Ancor
PO Box 370                            Cornelius Str 36                        2121 San Jacinto Ave
Ajo, AZ 85321-0370                    Dusseldorf, 40215                       Suite 2500
Phone: (520)883-7675                  Germany                                 Dallas, TX 75201
                                      Fax:    011-49-211-3842520              Phone: (214) 953-4681
                                                                              Fax:    (214) 953-4685
                                                                              Email: trobins@gix-global.com


J Rand Ridges                         Patrick M. Ritschel                     Antelmo Robles
Mkt Mgr - Process Control             Intl Plant Sales Mgr                    Chemical Engr
EIMCO Process Equipment Co            Monsanto Enviro-Chem Systems Inc        Mexicana De Cobre Sa De Cv
669 W 200 S                           PO Box 14547                            Apartado Postal 20
Salt Lake City, UT 84101              St Louis, MO 63178                      Nacozari, 84340
                                      Phone: (314)469-8851                    MEXICO
                                      Fax:     (314) 275-5701                 Fax:   011-52-6-342-0329
                                      Email: patrick.m.ritschel@monsanto.co
                                              m


Anthony Joseph Rigby                  Gabriel A Riveros                       Eduardo Robles
Market Manager                        Asst Professor                          Jacobs Engineering Chile SA
VRD Canadian Industrial               Univ of Chile                           Puerta del Sol 55, 5th Floor
4355 Fairview St                      Avda Tupper 2069                        Santiago,
Burlington, ON L7L 2A4                PO Box 2777                             Chile
Canada                                Santiago                                Phone: 56-2-2289596
Phone: (905)639-8660                  Chile                                   Fax:   56-2-2280686
Fax:    (905)639-4241                 Phone: 011-562-678-4991                 Email: e.robles@jacobs.cl
Email: jrigby@vrd.ca                  Fax:    011-562-672-3504
                                      Email: griveros@cec.uchile.cl



10/26/99                                                                             Page 31 of 42
Antonio Roca-vallmajor               Edwin A. Rood                        Christian Monjau Sagedahl
Professor                            Principal Engr                       Director Marketing/Sales
Univ of Barcelona                    Phelps Dodge Mining Co               Kvaerner Eureka AS
Fac Chemistry                        9780 E Sanchez Rd                    Joseph Kellers Vei 20
Marti I Franques 1                   Safford, AZ 85546-7400               Tranby
Barcelona, 08028                     Phone: (520) 348-0805                Lier, N-3401
Spain                                Fax:    (520) 428-3714               Norway
Phone: 011-34-3-402-1295             Email: erood@phelpsdodge.com         Phone: 011-47-3-285-9000
Fax:     011-34-3-402-1291                                                Fax:    011-47-3-285-9440
                                                                          Email: christian.sagedahl@kvaerner.co
Robert C. Rodgers                    Alistair G. Ross                     Mahi Sahoo
Sr. Metall.                          President                            Program Mgr-Casting Tech
Phelps Dodge Morenci Inc             Phelps Dodge Hidalgo Inc             Natural Resource Canada
4521 US Hwy 191                      PO Box 67                            586 Booth St
Morenci, AZ 85540                    Playas, NM 88009                     Ottawa, ON K1A 0G1
Phone: (520) 865-6995                Phone: (505)436-2211-X211            Canada
Fax:    (520) 865-2649               Fax:     (505)436-2753               Phone: (613)992-5475
                                     Email: aross@phelpsdodge.com         Fax:    (613)992-8735
                                                                          Email: msahoo@nrcan.gc.ca


Dale W. Rodolff                      Erkki Ryynanen                       Tetsuro Sakai
Manager-North America                VP Corp Development                  Assistant Mgr
Outokumpu Engineering                Outokumpu Technology Oy              Mitsubishi Materials Corp
6527 S Jungfrau Way                  Riihitontuntie 7E                    1-5-1 Marunouchi Chiyoda-ku
Evergreen, CO 80439-5308             PO Box 86                            Tokyo, 100-8222
Phone: (303)674-9774                 Espoo, 02200                         Japan
Fax:   (303)727-7761                 Finland                              Phone: 011-813-5252-5357
Email: dale.rodolff@outokumpu.com    Phone: 011-358-9-4212-762            Fax:    011-813-5252-5426
                                     Fax:     011-358-9-4213-891          Email: tesakai@mmc.co.jp
                                     Email: erkki.ryynanen@outokumpu.fi
Atilio Rodriguez                     Jukka Saamanen                       Mohammad Mehdi Salari Rad
Doe Run Peru SRL                     Sales Manager                        Student
Av Hordcio Zevdllos 424              Outokumpu Wenmec Oy                  Hokkaido Univ
LA Oroya,                            PO Box 103                           Mineral Processing Lab
Peru                                 Espoo, 02201                         North 13, West 8
Phone: 51-64-883009                  Finland                              Sapporo, Hokkaido, 60-8628
Fax:     51-64-883056                Phone: 011-358-9-4211                Japan
Email: agrodriguez@doerun.com.pe     Fax:    011-358-9-421-2434           Phone: 011-81-706-6313
                                     Email: jukka.saamanen@outokumpu.co   Fax:    011-81-706-6175
                                                                          Email: salari@eng.hokudai.ac.jp
J. Fernando Rodriguez                Kumar Sadayappan                     Juan Carlos Salas
Concentrator Metallurgist            Research Scientist                   Manager
Phelps Dodge Chino Mines Co          Canmet, Natural Resources Canada     IM2 Filial Codelco
PO Box 7                             568 Booth St                         Av Del Parque 4980
Hurley, NM 88043                     Ottawa, ON K1A 0G1                   Oficina 131 Huechuraba
Phone: (505) 537-4482                Canada                               Santiago
Fax:    (505) 537-4407               Phone: (613) 992-0741                Chile
Email: jfrodriguez@phelpsdodge.com   Fax:    (613) 992-8735               Phone: 011-56-2-690-3981
                                     Email: ksadayap@nrcan.gc.ca          Fax:    011-56-2-738-4338
                                                                          Email: jcsalas@im2.codelco.cl
Ronald J. Roman                      Paykan Safe                          Jason E Sallee
Leach Inc                            3853 Evergreen                       Metallurgical Eng
4741 N Placita Del Sol               Irving, TX 75061                     Cyprus Miami Mining Corp
Tucson, AZ 85749                     Phone: (214)717-5175                 PO Box 4444
Phone: (520) 749-0474                Email: safe@goodfell.com             Claypool, AZ 85532-4444
Fax:    (520) 749-0474                                                    Phone: (520) 473-7398
Email: ronroman@aol.com                                                   Fax:    (520) 473-7412
                                                                          Email: jsallee@cyprus.com




10/26/99                                                                         Page 32 of 42
Henry Salomon-de-friedberg        Jimmy Sarvinis                       Donald G. Schmidt
Chief Plant Engineer              Consulting Engineer                  Consultant
Quebrada Blanca                   Hatch & Assoc Inc                    R Lavin & Sons Inc
Apoquindo 3200, Piso 4            2800 Speakman Dr                     3426 S Kedzie Ave
Santiago                          Mississauga, ONT L5K 2R7             Chicago, IL 60623
Chile                             CANADA                               Fax:   (630)323-7490
Phone: 011-56-57-423-927          Phone: (905) 403-3924
Fax:    011-56-57-426-307         Fax:    (905) 855-8270
                                  Email: jsarvinis@hatch.ca


Oscar E. San Martin               David J. Satter                      Rosa R. Schnebly
General Mgr                       Business Development Mgr             Metallurgist
Compania Minera Zaldivar          Avecia Inc                           Phelps Dodge Morenci Inc
Ave Bolmaceda 2536                3259 E Harbour Dr Ste 100            PO Box 258
Antofagasta                       Phoenix, AZ 85034-7227               Thatcher, AZ 85552-0258
Chile                             Phone: (602) 470-5024                Phone: (520) 865-6456
Phone: 011-56-55-205-144          Fax:    (602) 470-5030               Fax:    (520) 865-2234
Fax:   011-56-55-205-091          Email: david.satter@avecia.com       Email: rschnebly@phelpsdodge.com



Belisario Sanchez                 Edward Scezypczak                    Brenna Jok Yee Scholey
Metallurgical Manager             Pres of Time Management Board        Process Engineer
Servicios Condumex SA De CV       KGHM Metraco Ltd                     Inco Ltd
Km 9.6 Carr Constitution a SLP    Sw M Kolbe 9                         CCCR
Parque Industrial Jurica          Legnica, 59-220                      Electrowinning
Queretaro, 76120                  Poland                               Copper Cliff, ON POM 1NO
Mexico                            Phone: 011-48-76-866-7700            Canada
Phone: 011-52-42-38-9025          Fax:    011-48-76-866-7709           Phone: (705) 682-5656
Fax:    011-52-42-18-0717                                              Fax:    (705) 682-5635
Email: bsanchez@condumex.com.mx                                        Email: bscholey@inco.com
Victor Manuel Sanchez-Corrales    Randolph Scheffel                    Ron H. Schonewille
Professor                         Consultant                           Program Metallurgist
Univ De Sonora                    25778 Summergreen Ln                 Falconbridge Ltd
Calle 3 Y Ave 4 #86               Golden, CO 80401                     Falconbridge Technology Ctr
Fraccionamicato Bugambilia        Phone: (303) 526-2163                Falconbridge, ON POM 1S0
"Hermosillo, Sonora", 83140       Fax:    (303) 526-9005               Canada
MEXICO                            Email: rscheffel@ibm.net             Phone: (705)693-2761
Phone: 011-52-62-592105                                                Fax:   (705)699-3431
Fax:    011-52-62-592106
Email: vsanchez@guaymas.uson.mx
Manuel Sandez                     Mark E. Schlesinger                  Carl E. Schultz
Mexicana de Cobre Sa              Univ of Missouri                     Process Engineer
Carr. Nacozari AP Km 21 1/2       Dept of Met Eng                      Paques Bio Systems
Nacozari, 84340                   1870 Miner Cir                       PO Box 52
Mexico                            Rolla, MO 65409-0340                 Balk
Phone: 52-634-29000               Phone: (573)341-4791                 Friesland, 8560AB
Fax:    52-634-29008              Fax:    (573)341-6934                Netherlands
Email: sandez@geocities.com       Email: mes@umr.edu                   Phone: 011-31-514-608500
                                                                       Fax:    011-31-514-608666


Russell K. Sanford                W. J. Schlitt                        Chris Schultz
Sr. Copper Operations Engineer    Dir Metallurgy                       Cyprus Climax
Kennecott Utah Copper             Kvaerner Metals                      PO Box 1126
11500 West 2100 South             E&C Div                              Green Valley, AZ 85622
Magma, UT 84044                   12657 Alcosta Blvd Ste 200           Phone: 520-648-8835
Phone: (801) 569-6734             San Ramon, CA 94583                  Fax:   520-625-2628
Fax:    (801) 569-6753            Phone: (925)865-6538
Email: sanfordr@kennecott.com     Fax:    (925)244-6020
                                  Email: joseph.schlitt@kvaerner.com




10/26/99                                                                      Page 33 of 42
Don Schultz                   Charles Semler                          Kei Shibata
Associate                     4213 N. Placita de Susana               General Mgr
Minerals Advisory Grp         Tucson, AZ                              Mesco Inc
1 W Wetmore Rd # 207          Phone: 520-577-7752                     2-10-5 Ryogoku
Tucson, AZ 85705-1643                                                 Sumida-ku
Phone: (520) 887-7357                                                 Tokyo, 130-8531
Fax:   (520) 887-7420                                                 Japan
                                                                      Phone: 011-33-634-3046
                                                                      Fax:    011-33-634-3060
                                                                      Email: shibata@mesco.co.jp
Michael Schwarze              Ashoke Sengupta                         Peter G. Shirk
Project Mgr                   Research Associate                      Director of Engineering
Mannesmann Demag Metallurgy   LignoTech USA Inc                       Altek
Ohlerkirchweg 66              100 Hwy 51 South                        314 Exton Commons
Moenchengladback, 41069       Rothschild, WI 54474                    Exton, PA 19341-2450
Germany                       Phone: (715) 359-6544                   Phone: (610) 524-6291
Phone: 011-49-2161-350-644    Fax:    (715) 355-3674                  Fax:    (610) 524-6295
Fax:    011-49-2161-350-883   Email: asse@ltus.com                    Email: pshirk@altek_dross.com



Alexander R. Scott            John R. Serrano                         Mansoor Siddiqi
Executive Director            Metallurgy Dept Head                    Vice President - Projects
TMS                           Phelps Dodge Refining Corp              Sterlite Industries Ltd
184 Thorn Hill Rd             6999 N Loop Dr                          92 Maker Chamber III
Warrendale, PA 15086-7528     El Paso, TX 79915-2351                  Nariman Point
Phone: (724)776-9000-211      Phone: (915)775-8304                    Mumbai, Maharashtra, 400 021
Fax:   (724)776-3770          Fax:    (915)775-8897                   India
Email: scott@tms.org          Email: jserrano@phelpsd.com             Phone: 011-91-22-2855477
                                                                      Fax:     011-91-461-340141
                                                                      Email: zinnia@pcl.net.in
Kevin C. Scott                Susan Shadizadeh                        Marc Sider
Senior Metallurgist           Air Liquide                             Vice President
Bechtel Chile                 2700 Past Oak Blvd                      Technologies Ect 5
Coyancura 2283 Piso 12        Houston, TX 77056                       95 Chemin Du Tremblay #4
Santiago                      Phone: 713-624-8343                     Boucherville, PQ J4B 7K4
Chile                         Fax:    713-624-8898                    Canada
Phone: 011-562-675-1218       Email: susan.shadizadeh@airliquide.co   Phone: (450) 641-8537
Fax:    011-562-335-6337              m                               Fax:   (450) 641-2771
Email: kcscott@bechtel.com


Eric Seedorf                  Douglas R. Shaw                         Andreas H. Siegmund
Specialty Product Systems     Consultant Metallurgist                 R&D Manager
9275 N. Shannon Rd            Colorado Minerals Rsch Inst             RSR Technologies Inc
Tucson, AZ 85742              5906 McIntyre St                        2777 Stemmons Frwy
Phone: 520-797-6626           Golden, CO 80403                        Suite 1800
Fax:    520-797-1157          Phone: (303) 279-2581                   Dallas, TX 75207
Email: seedorf@gateway.net    Fax:    (303) 279-6061                  Phone: (214)583-0359
                              Email: colomin@sni.net                  Fax:    (214)631-6092
                                                                      Email: rsrtech2@onramp.net


David C. Seery                Richard Shaw                            Alan N. Silberberg
Mining Industry Specialist    Eichrom Industries Inc                  President
IRS                           Suite 106/107                           Lurgi Corporation
1000 Liberty Ave Rm 930       8205 S Cass Ave                         9 Litchult Ln
Pittsburgh, PA 15222-4004     Darien, IL 60561                        Mahwah, NJ 07430-1587
Phone: (412) 395-4556         Phone: (630) 963-0320                   Phone: (201)967-4911
Fax:    (412) 395-5738        Fax:    (630) 963-0381                  Fax:    (201)967-7646
                              Email: richardshaw@compuserve.com




10/26/99                                                                    Page 34 of 42
Douglas B. Silver                    Zbigniew Smieszek                 Erik D. Spiller
President                            Managing Director                 Sr Consulting Engr
Balfour Holdings Inc                 Inst of Non-ferrous Metals        Raytheon Engr & Constructors
10 Inverness Dr East                 UL Sowinskiego 5                  5555 Greenwood Plaza Blvd
Englewood, CO 80112                  Gliwice, 44-101                   Englewood, CO 80111
Phone: (303) 799-9015                POLAND                            Phone: (303)843-2145
Fax:    (303) 799-9017               Phone: 011-48-32-2380-300         Fax:    (303)843-2623
                                     Fax:     011-48-32-2380-350       Email: erik_spiller@ccgate.ueci.com
                                     Email: imn@zyzio.imn.gliwice.pl


Dale Simms                           Neil L. Smith                     Steven Spoerle
Engrg Mgr                            Owner/CEO                         BetzDearborn Inc
Heath & Sherwood Ltd                 Auburn Consultants                4636 Somerton Rd
Box 340                              3285 Mainway Unit 4               Trevose, PA 19053-6742
29 Duncan Ave N                      Burlington, ON L7M 1A6            Phone: (215) 953-2572
Kirkland Lake, ON P2N 3J2            Canada                            Fax:   (215) 953-2328
Canada                               Phone: (905)335-1156
Phone: (705) 567-5315                Fax:     (905)335-8022
Fax:    (705) 568-8545               Email: auburn@netcom.ca
Email: jpmarin@vianet.on.ca
Craig E. Sircy                       Neil WG Smith                     Kandipati Sreenivasarao
Manager, Leach Stockpiles Division   President                         Metallurgical Engr
Phelps Dodge Morenci Inc             Auburn Industrial Svcs Ltd        Argonne National Lab
4521 US Highway 191                  3285 Mainway Unit 4               Bldg 362, Rm B233
Morenci, AZ 85540-9700               Burlington, ON L7M 1A6            9700 S Cass Ave
Phone: (520) 865-4521                Canada                            Argonne, IL 60439
Email: csircy@phelpsdodge.com        Phone: (905) 335-1167             Phone: (630)252-1741
                                     Fax:    (905) 335-8022            Fax:    (630)252-1342
                                     Email: wgn@netcom.ca              Email: ksrao@anl.gov


Johanna Sjoblom                      Tim Smith                         Ramamritham Sridhar
R&D Engineer                         SNC-Lavalin Europe                President
Nokia Networks Oy                    56 Dingwall Rd                    Process Research ORTECH Inc
PO Box 340                           Croydon,                          2395 Speakman Dr
Espoo, FIN-00045                     UK                                Mississanga, ON L5K 1B3
Finland                                                                Canada
Fax:    011-358-9-5112-2392                                            Phone: (905)822-4941-X229
Email: Johanna.Sjoblom@nokia.com                                       Fax:    (905)822-9537
                                                                       Email: rsridhar@processortech.com


Gary Slaven                          Jim Sorensen                      Kirsi M. St. Marie
Falcon Foundry Co                    AGRA Simons Inc                   Engineer
6th & Water Streets                  2700 N 3rd St. #2006              Reaction Engineering Intl
Lowellville, OH 44436                Phoenix, AZ 85004                 77 W 200 S Ste 210
Phone: (330) 536-6221                Phone: 602-200-6600               Salt Lake City, UT 84101-3601
Fax:    (330) 536-6371               Fax:    602-200-6501              Phone: (801) 364-6925
Email: falconfdry@aol.com            Email: jsorensen@agra.com         Fax:     (801) 364-6977
                                                                       Email: stmarie@reaction-eng.com



Boris N. Slutskiy                    Larry M. Southwick                Keith J. Stanford
Metallurgist                         L M Southwick & Associates        Account Mgr
Colorado Minerals Research Inst      992 Marion Ave Ste 306            Great Western Chemical Co
5906 McIntyre St                     Cincinnati, OH 45229              4505 W Mesquital del Oro
Golden, CO 80403                     Phone: (513)221-4434              Tucson, AZ 85742-9704
Phone: (303) 279-2581                Fax:    (513)221-4419             Phone: 800-547-1400
Fax:    (303) 279-6061                                                 Fax:     (520) 547-1400
Email: colomin@sni.net                                                 Email: keithstanford@gwchem.com




10/26/99                                                                      Page 35 of 42
Kevin L. Stansbury                      James K. Stevenson                   Robert B. Sudderth
Sr Metallurgical Engineer               Technical Service Rep                General Manager
Jacobs Engrg Group Inc                  Van Waters & Rogers                  Henkel Corp
5947 S Kline St                         50 South 45th Ave                    Minerals Indus Div
Littleton, CO 80127                     Phoenix, AZ 85043-3907               2430 N Huachuca Dr
Phone: (303) 860-2927                   Phone: (602)272-3272                 Tucson, AZ 85745
Fax:     (303)860-2999                  Fax:    (602)278-9138
Email: kevin.stansbury@jacobs.com       Email: jamie.stevenson@vwr-inc.com



Peter Stantke                           Joe Stickell                         Caroline Sui
Norddeutsche Affinerie                  Technical Services Manager           Research Assoc
Aktiengeselleschaft                     Outokumpu Technologies               McGill Univ
Hovestrasse 50                          351 Thornton Rd                      Dept of Mining & Metall Engr
Hamburg, 20539                          Suite 115                            3610 University St
Germany                                 Lithia Springs, GA 30122-1554        Montreal, PQ H3A 2B2
Phone: 011-49-40-7883-3567              Phone: (770) 944-2127                Canada
Fax:    011-49-40-7883-3180             Fax:    (770) 944-2236               Phone: (514)398-4755
Email: pstantk@affinerie-hamburg.de                                          Fax:    (514)398-4492
                                                                             Email: caroline@minmet.lan.mcgill.ca
Daniel Steighner                        Carlos Stierling                     Jukka S. Sulanto
Director Marketing & Meeting Scvs       President                            Vice Pres - Marketing
TMS                                     CTI Ancor                            Outokumpu Technology Oy
184 Thorn Hill Rd                       2121 San Jacinto Ave                 Valhallankatu 12 A6
Warrendale, PA 15086-7528               Suite 2500                           Helsinki, 00250
Phone: (724)776-9000-210                Dallas, TX 75201                     FINLAND
Fax:    (724)776-3770                   Phone: (214) 953-4682                Phone: 011-358-9-421-2962
Email: steighner@tms.org                Fax:    (214) 953-4685               Fax:    011-358-9-421-3891
                                        Email: jbroitma@gix-global.com       Email: jukka.sulanto@outokumpu.f1


Barry Steirman                          Michael D. Strachan                  Soren J. Suver
Project Engineer                        President & General Manager          Sr Project Mgr
Ullrich Copper LP                       SNC-Lavalin Chile S.A.               Phelps Dodge Corp
100 Washington St                       Luis Uribe 2343 Nunoa                2600 N Central Ave
Leetsdale, PA 15056-1000                Santiago,                            Phoenix, AZ 85004-3014
Fax:     (724) 251-4224                 CHILE                                Phone: (602) 234-8317
                                        Phone: 011-56-2-341-5966             Fax:    (602) 234-8526
                                        Fax:    011-56-2-341-5961            Email: sjsuver@phelpsdodge.com
                                        Email: stram@snc-lavalin.com


Robert L. Stephens                      David J. Stribley                    Carl E. Swanson
Senior Research Engineer                Research Coordinator                 Principal Process Engineer
Cominco Research                        Amira Ltd                            Unifield Engineering Inc
PO Box 290                              128 Exhibition St                    101 N 31st St
Northport, WA 99157-0290                Melbourne, Victoria, 3146            Apt 10
Phone: (250) 364-4295                   Australia                            Billings, MT 59101-2013
Fax:    (250)364-4400                   Phone: 011-613-9679-9976             Phone: (406) 245-4455x213
Email: rob.stephens@trail.cominco.com   Fax:    011-613-9679-9900            Fax:     (406) 245-7112
                                                                             Email: cswanson@unifield.com


Cory Stevens                            Ralph R. Stricklen                   Ronald M. Swart
Chino Smelter Operations Super          Project Mgr                          Group Leader
Phelps Dodge                            Southern Peru Copper Corp            Avecia Ltd
PO Box 7                                PO Box 520925                        PO Box 42
Hurley, NM 88043-0007                   Miami, FL 33152-0925                 Hexagon House, Blackley
Phone: (505) 537-4152                   Phone: (925) 866-6305                Manchester, M9 8ZS
Fax:    (505) 537-4252                  Fax:    (925) 866-6526               United Kingdom
Email: cstevens@phelps.com              Email: r_h_stricklen@msn.com         Phone: 011-44-161-7211979
                                                                             Fax:    011-44-161-7212612
                                                                             Email: ron.swart@avecia.com



10/26/99                                                                            Page 36 of 42
Ronald M. Sweetin                         Nickolas J. Themelis                 Gary S Thundercliffe
Consultant                                Metallurgist                         Mgr - Industrial Process
Mitsubishi                                Columbia Univ                        BetzDearborn Inc
76 Barringham Dr                          Henry Krumb Sch of Mines             4636 Somerton Rd
Oakville, ONT L6J 4B2                     500 West 120th St/1047 Mudd Bd       Trevose, PA 19053-6742
CANADA                                    New York, NY 10027                   Phone: (215) 942-3471
Phone: (905)845-6808                      Phone: (212)854-2138                 Fax:     (215) 942-3747
Fax:    (905)845-0085                     Fax:    (212)854-5213                Email: gary.s.thundercliff@betzdearborn
Email: sweetin@msn.com                    Email: njt1@columbia.edu                     .com


Tomio Takasu                              Anabel Thomas                        Lance Tigert
Asst. Prof.                               Process Engineer                     Sr VP - Project Development
Kyushu Inst of Tech                       AGRA Simons                          Noranda Inc
Sensui 1-1                                1385 Cedar Ave                       181 Bay St Suite 4100
Tobata                                    Trail, BC V1R 4L7                    PO Box 755
Kitakyushu, Fukuoka, 804-8550             Canada                               Toronto, ON M5J 2T3
Japan                                     Phone: (250) 368-2447                Canada
Phone: 011-81-93-884-3365                 Fax:    (250) 368-2401               Phone: (416) 982-7244
Fax:    011-81-93-884-3351                Email: athomas@hasimons.com          Fax:    (416) 982-3501
Email: takasut@tobata.isc.kyutech.ac.jp                                        Email: tigertl@noranda.com
Fumito Tanaka                             Willard H. Thomas                    Jake Timmers
Metall. Researcher                        Global Accts Mgr                     Cyprus Climax Metals Co
Mitsubishi Materials Corp                 Cytec Canada Inc                     P O Box 1559
Pyromet Proc Lab                          9061 Garner Rd                       Claypool, AZ 85532
1-297 Kitabukuro-cho                      Niagara Falls, ON L2E 6T4
Omiya, Saitama, 330                       Canada
Japan                                     Phone: (905) 374-5889
Phone: 011 81 48 641 5236                 Fax:    (905) 374-5939
Fax:    011 81 48 641 5238                Email: willard.thomas@we.cytec.com
Email: t-tanaka@mmc.co.jp
Pekka A. Taskinen                         Paul E. Thompsen                     Greg Timms
Rsch Dir Pyrometallu                      Director of Metallurgy               Manager
Outokumpu Research Oy                     Kvaerner                             Larox Inc
PO Box 60                                 12657 Alcosta Blvd                   9730 Patuxent Woods Dr
Pori, FIN-28101                           San Ramon, CA 94583                  Columbia, MD 21046-1506
FINLAND                                   Phone: (925) 244-6848                Phone: (410) 381-3314
Phone: 011-358-39-625-5040                Fax:    (925) 244-6020               Fax:    (410) 381-4490
Fax:   011-358-39-626-5310                Email: paul.thompsen@kvaerner.com    Email: greg.timms@larox.com
Email: pekka.a.taskinen@outokumpu.co


Alberto R. Tello                          Judy L. Thompson                     Lamar S. Todd
Businees Mgr                              Technical Svc Rep                    Senior Engineer
Henkel Corp                               The PQ Corp                          Process Development Assoc
Americo Vespucio 2680 Piso 7              PO Box 840                           107 N Brier
Santiago                                  Valley Forge, PA 19482-0840          Amherst, NY 14228
Chile                                     Phone: (610) 651-4353                Phone: (716)691-4423
Phone: 011-562-443-3508                   Fax:    (610) 651-4504               Email: lamartodd@aol.com
                                          Email: jthomps@pqcorp.com



Pete E. Tetlow                            Philip Thompson                      Cara M. Tomasek
Technical Service Mgr                     President                            Product Mgr
Avecia Inc                                Dawson Metallurgical Labs Inc        Eichrom Industries Inc
3259 E Harbour Dr                         Suite 70                             8205 S Cass Ave
Suite 100                                 2030 N Redwood Rd                    Suite 111
Phoenix, AZ 85034-7227                    Salt Lake City, UT 84116-1255        Darien, IL 60561-5319
Phone: (602) 470-5021                     Phone: (801) 596-0430                Phone: (630)963-0320
Fax:    (602) 470-5030                    Fax:    (801) 596-0425               Fax:    (630)963-0381
Email: peter.tetlow@avecia.com            Email: dmlmetlab@aol.com             Email: ctomasek@eichrom.com




10/26/99                                                                              Page 37 of 42
Albert S. Tomlinson                   Ronald J. Triscori                   Yoshiaki Umetsu
Sr Metallurgist                       Sales Mgr                            Prof
Cyprus Miami Mining Corp              Lurgi PSI                            Tohoku Univ
PO Box 4444                           Suite 300                            1-1 Katahira 2-chome
Claypool, AZ 85532-4444               1790 Kirby Pkwy                      Aoba-ku
Phone: (520) 473-7152                 Memphis, TN 38138                    Sendai, 980-8577
Fax:    (520) 473-7247                Phone: (901) 255-6554                Japan
Email: atomlinson@cyprus.com          Fax:    (901) 756-8253               Phone: 011-81-22-217-5147
                                      Email: rjt@psimemphis.com            Fax:   011-81-22-217-5211
                                                                           Email: umetsu@iamp.tohoku.ac.jp
Vesa J. Torola                        Nigel E. Tuffrey                     Mark Underwood
Research Engineer                     Senior Research Metallurgist         Asst Refinery Mgr
Outokumpu Harjavalta Metals Oy        Cominco Ltd.                         Southern Peru Copper Corp
Teollisuuskatu 1                      Box 2000                             LSI 1612 NW 84th Ave
Harjavalta, 29200                     Trail, BC V1R 4S4                    Miami, FL 33126-1032
Finland                               Canada                               Phone: 011 51 54 7828824506
Phone: 011-358-2-535-8557             Phone: (250)364-4426                 Fax:    011 51 54 782725
Fax:    011-358-2-535-8539            Fax:    (250)364-4400                Email: munderwood@southernperu.com
Email: vesa.torola@outokumpu.com      Email: nigel.tuffrey@trail.cominco          .pe


Carlos Torres                         Patrick Turner                       Martin Urrutia
General Director                      VP - Sales & Marketing               General Manager
Bateman Mexico                        Krebs Engineers                      Empresa Minera De Mantos Blancos SA
Blvd Avila Camacho 995-101            99 Morris Ave                        Pedro De Valdivia 295
Naucalpan, 53310                      Mountain Lakes, NJ 07046-1010        Santiago, 6640594
Mexico                                Phone: (520) 744-8200                Chile
Phone: 011-525-560-1040               Fax:    (520) 744-8300               Phone: 011-56-2-350-8833
Fax:    011-525-363-6735                                                   Fax:    011-56-2-350-8836
Email: bateman@mail.internet.com.mx                                        Email: murrutia@mantos.cl


Kristin A. Torres                     Peter Hedley Turner                  Vladimir A. Ushakov
Membership Coordinator                Managing Director                    Control Room Supr
Soc for Mining, Met, & Extraction     Scheibler Filters Ltd                Cyprus Miami Mining Corp
PO Box 625002                         West Carr Rd                         108 Blazer Dr
Littleton, CO 80162-5002              Retford, DN22 7ZE                    Globe, AZ 85501-1509
Phone: (303) 973-9550                 United Kingdom                       Phone: (520)425-3192
Fax:     (303) 973-6235               Phone: 011-44-1777-702355            Email: ushakov@hotmail.com
Email: torres@smenet.org              Fax:    011-44-1777-707874
                                      Email: peter.turner@scheibler.com


Sergio R. Torres                      Christopher Twigge-molecey           Torstein Arnfinn Utigard
Metallurgist                          Managing Dir of S. America           Professor
Cytec Chile                           Hatch & Assoc Inc                    Univ of Toronto
Versalles 3005                        2800 Speakman Dr                     1509 Dearbourne Dr
Santiago                              Mississauga, ON L5K 2R7              Sudbury, ONT P3A 5E6
Chile                                 Canada                               CANADA
Phone: 011-562-368-9255               Phone: (905)403-3926                 Phone: (416) 978-6267
Fax:    011-562-368-9205              Fax:    (905)855-8270                Fax:    (416)978-4155
Email: sergio_torres@chi.cytec.com    Email: ctwigge-molecey@hatch.ca      Email: utigard@metcom.ca


Yves Tremblay                         John L. Uhrie                        Armando Valenzuela
Project Manager                       Sr. Research Engr                    Laval Univ
Cambior Inc                           Phelps Dodge Mining Co               Ste-Foy
East Tower #750                       9780 E Sanchez Rd                    Quebec City, PQ G1K 7P4
1111 St Charles St W                  Safford, AZ 85546-7400               Canada
Longueuil, PQ J4K 5G4                 Phone: (520) 348-0810
Canada                                Fax:    (520) 428-3714
Phone: (450) 677-0040                 Email: juhrie@phelpsdodge.com
Fax:    (450) 677-3382
Email: yves_tremblay@cambior.com



10/26/99                                                                         Page 38 of 42
Damir Valic                         JR Venkatraman                            Victor Vidaurre
Student                             Vice President - Smelter                  Techminomet SA
Laurentian Univ                     Sterlite Industries Ltd                   Santiago,
15 Forestdale Dr                    92 Maker Chamber III                      Chile
Sudbury, ON P3A 5X1                 Nariman Point
Canada                              Mumba, Maharashtra, 400 021
Phone: (705) 560-3124               India
Fax:    (705) 675-4862              Phone: 011-91-22-2855477
Email: dvalic@neilnet.com           Fax:     011-91-461-340141
                                    Email: zinnia@pcl.net.in
Maurits Celine Vancamp              Froilan Vergara                           Jacques Viger
Sr Project Mgr                      Univ De Concepcion                        Production Manager
Union Miniere                       Edmundo Larenan 270                       Noranda Inc
Pansgatelaan 40                     Concepcion                                CP 4000
Mortsel, B-2640                     Chile                                     Rauyn-Noranda, PQ J9X 5B6
BELGIUM                             Phone: 011-56-41-204566                   Canada
Phone: 011-32-32-816-890            Fax:    011-56-41-243418                  Phone: (819) 762-7764 x 2300
Fax:    011-32-14-245-716           Email: fvergar@udec.cl                    Fax:   (819) 767-5172
Email: maurits.vancamp@um.be                                                  Email: vigerj@horne.noando.ca


Mark F. Vancas                      Jorge Vergara                             Jorge Villalobos
Mgr of Process Engr                 Codelco Chile                             Noram Engineering
Bateman Engineering                 Avenida La Travessia 6967                 200 Granville St
305 N Main St                       Parque Industrial Inverterra - Padahuel   Suite 400
San Manuel, AZ 85631-1308           Santiago                                  Vancouver, BC V6C 1S4
Phone: (520) 624-7810               Chile                                     Canada
Fax:    (520) 624-7820              Phone: 011 56 2695 0268                   Phone: 604-681-2030
Email: bateman@azstarnet.com        Fax:   011 56 2749 9814                   Fax:    604-683-9164
                                                                              Email: Seyffert_27@yahoo.com


James Vanderbeek                    Victor E. Vergara                         Nils Voermann
Chino Mines Company                 Professor                                 Director Furnace Group
PO Box 7                            Univ de Concepcion                        Hatch & Assoc Inc
Hurley, NM 88043-0007               Casilla 53-C                              2800 Speakman Dr
Phone: (505) 537-4289               Concepcion                                Mississauga, ON L5K 2R7
Fax:    (505) 537-2695              Chile                                     Canada
Email: vanderbeek@phelpsdodge.com   Phone: 011-56-41-204662                   Phone: (905)403-3763
                                    Fax:    011-56-41-243418                  Fax:    (905)855-8270
                                    Email: vvergara@euler.met.udec.cl         Email: nvoermann@hatch.ca


Felix Vargas                        Ruben Vermeersch                          Scott A. Voltura
Doe Run Peru SRL                    Project Mgr                               Chief Engineer - Pyrometallurgy
AV Haracio Zeballos 424             Union Miniere                             Cyprus Miami Mining Corp
La Oroya,                           Kasteel Str 7                             PO Box 4444
Peru                                Olen, 2250                                Claypool, AZ 85532-4444
Phone: 51-64-883238                 Belgium                                   Phone: (520)473-7369
Fax:    51-64-883056                Phone: 011-32-14-248029                   Fax:    (520)473-7031
Email: dimdrp@doerun.com.pe         Fax:    011-32-14-245716                  Email: svoltura@cyprus.com
                                    Email: ruben.vermeersch@um.be


Chelvan Veloo                       Victor Vidaurre                           Hans Von Michaelis
Mgr Business Development            Techminomet SA                            Chairman & CEO
Rio Tinto Rsch & Tech Development   Mon Francisco Gillmore 9181-A             Randol International Ltd
1 Research Ave                      Santiago,                                 21578 Mountsfield Dr
Bundoora                            Chile                                     Golden, CO 80401-9432
Melbourne, 3083                                                               Phone: (303) 526-1626
Australia                                                                     Fax:   (303) 526-1650
Phone: 011-613-9242-3111                                                      Email: hansvon@hotmail.com
Fax:    011-613-9242-3222
Email: chelvan.veloo@riotinto.com



10/26/99                                                                             Page 39 of 42
Robert Wakefield                         Robert V. Washnock               Bradford C. Wesstrom
Sales Engineer                           Sx-Ew Manager                    Precious Metals Dept Head
Canadian Stebbins Engr & Manufacturing   Silver Bell Mining LLC           Phelps Dodge Refining Corp
2373 Stevenge Dr                         25000 W Avra Valley Rd           6999 N Loop Dr
Ottawa, ON K1G 3W1                       Marana, AZ 85653                 P O Box 20001
Canada                                   Phone: (520) 682-2420            El Paso, TX 79915-2351
Phone: (613) 737-2800                    Fax:    (520) 682-2347           Phone: (915)775-9881
Fax:    (613) 737-2801                   Email: rwashnock@asarco.com      Fax:   (915)775-8332
Email: rjwakefield@stebbins.com                                           Email: bwesstrom@phelpsd.com


J. Walter Wallace                        James Watts                      Kurt Westerlund
Falcon Foundry Co                        Cyrus Miami Mining Corporation   Dir Met & Chem Process
6th & Water Streets                      Box 22015                        Kamwest Ltd
Lowellville, OH 44436                    Tempe, AZ 85285-2015             World Trade Ctr
Phone: (330) 536-6221                                                     Aleksanterinkatu 17
Fax:    (330) 536-6371                                                    Helsinki, 00100
Email: falconfdry@aol.com                                                 FINLAND
                                                                          Phone: 011-358-9-6969-4010
                                                                          Fax:    011-358-9-6969-4015
                                                                          Email: kurt.westerlund@kamwest.com
Richard A. Walli                         Anthony J. Weddick               Ben K. Wichers
Environmental Consultant                 Technical Superintendent         Director - Planning & Tech
Walli Engineering Inc                    Kennecott Utah Copper            BHP Copper Inc
245 Ascot Ct                             PO Box 6001                      6100 N Calle De La Culebra
Oshawa, ON L1G 1W9                       8315 West 3595 South             Tucson, AZ 85718
Canada                                   Magna, UT 84044-6001             Phone: (520) 385-3306
Phone: (905)579-3432                     Phone: (801)252-3151             Fax:    (520)385-3608
Fax:    (905)571-1991                    Fax:    (801)252-3147            Email: wichers.ben.bk@bhp.com.au
Email: richard.walli@sympatico.ca        Email: weddickt@kennecott.com


Shijie Wang                              Peggy Weiss                      Andrzej Wieniewski
Research Engineer                        Mgr of Programming Services      Inst of Non-Ferrous Metals
Asarco Inc                               TMS                              Sowinskiego Str 5
3422 S 700 W                             184 Thorn Hill Rd                Gliwice, 44-101
Salt Lake City, UT 84119                 Warrendale, PA 15086-7528        Poland
Phone: (801)263-5287                     Phone: (724)776-9000-227         Phone: 011 48 32 2380 638
Fax:    (801)261-2194                    Fax:    (724)776-3770            Fax:     011 48 32 2380 350
Email: swang@asarco.com                  Email: weissp@tms.org            Email: andrzejw@zyio.imn.gliwice.pl



Andrzej E. Warczok                       Sue A. Wells                     Igor Wilkomirsky
Sr. Research Assoc.                      Sr. Research Engr                Professor
Univ of Toronto                          Phelps Dodge Mining Co           Univ de Concepcion
Dept of Met & Matl Sci                   9780 E Sanchez Rd                Dept Metallurgical Eng
184 College St                           Safford, AZ 85546-7400           Casilla 53-C Correo 3
Toronto, ON M5S 1A4                      Phone: (520) 865-6410            Concepcion,
Canada                                   Fax:    (520) 428-3714           Chile
Phone: (416) 560-0684                    Email: swells@phelpsdodge.com    Phone: 011 56 41 204154
Fax:    (416) 978-4155                                                    Fax:    011 56 41 220045
Email: awarczok@ica.net
Anthony E.m. Warner                      Lars O. Werme                    Peter Willbrandt
Section Head Adv Matls                   Manager, Materials Physics       Gen Supt Flash Smelter Plant
Inco Ltd                                 SKB                              Norddeutsche Affinerie AG
J Roy Gordon Rsch Lab                    Box 5864                         Hovestrasse 50
2060 Flavelle Blvd Sheridan Pk           Stockholm, SE-10240              Hamburg, 20537
Mississauga, ONT L5K 1Z9                 Sweden                           Germany
CANADA                                   Phone: 011 46 8 4598525          Phone: 011-49-40-7883-3804
Phone: (905)637-8699                     Fax:    011 46 8 6624974         Fax:   011-49-40-7883-3255
Fax:    (905)403-2530                    Email: lars.werme@skb.se




10/26/99                                                                         Page 40 of 42
Steve J. Williams                Clyde Wright                           Takashi Yoshida
Production Foreman               President                              Sr Vice President
Straits Pty Ltd                  Aisco Systems Inc                      Mitsui Mining & Smelting Inc
PO Box 1641                      1551 Corporate Dr                      461 Fifth Ave 20th Fl
West Perth, 6872                 PO Box 655                             New York, NY 10017
Australia                        Burlington, ON L7R 3Y5                 Phone: (212)679-9300
Phone: 011-618-9179-0999         Canada                                 Fax:    (212)679-9303
Fax:     011-618-9179-0918       Phone: (905)335-0002                   Email: yoshida@mkusa.com
                                 Fax:    (905)335-9643


Larry E. Wilton                  Yan-hui Yang                           Michael Young
Principal Engr                   Senior Metallurgist                    VP - Business Development
Phelps Dodge Mining Co           Rio Tinto Research & Tech Dev          Falconbridge Ltd
9780 E Sanchez Rd                1 Research Ave                         Suite 1200
Safford, AZ 85546-7400           Bundora                                95 Wellington St W
Phone: (520) 348-0807            Victoria, 3083                         Toronto, ON M5J 2V4
Fax:    (520) 428-3714           Australia                              Canada
Email: lwilton@phelpsdodge.com   Phone: 011-613-9242-3172               Phone: (416) 956-5705
                                 Fax:     011-613-9242-3222             Fax:    (416) 956-5795
                                 Email: yan-hui.yang@riotinto.com.au    Email: myoung@falconbridge.com
Rene F. Winand                   Michael E. Yarish                      Sharon K. Young
Prof Head Dept Metallurgy        Engineering Mgr                        1438 W San Lucas
Univ of Brussels                 Phelps Dodge Refining Corp             Tucson, AZ 85704
Dept Met-Electrochem-So          6999 N Loop Dr                         Phone: (520)742-1239
50 Ave Roosevelt CP165           El Paso, TX 79915-2351                 Fax:   (520)742-9457
Brussels, B-1050                 Phone: (915) 775-8862                  Email: skyvtec@aol.com
BELGIUM                          Fax:    (915) 775-8332
Phone: 011-32-2-650-3010         Email: myarish@phelpsd.com
Fax:    011-32-2-653-3653


Richard Winby                    Joseph Yarnall                         Tom L. Young
President & CEO                  75 34th Ave NW                         1438 W San Lucas Dr
BacTech Met Solutions Ltd        Hickory, NC 28601                      Tucson, AZ 85704
150 King St W                                                           Phone: (520)742-3440
PO Box 15                                                               Fax:    (520)742-9457
Toronto, ON M5H 1J9                                                     Email: tlywork@aol.com
Canada
Phone: (416) 813-0303
Fax:   (416) 596-9840
Email: bactech@netcom.ca
Eddie Wiszniewski                Akira Yazawa                           Alireza Zakeri
Cominco Engineering Serv Ltd     Professor                              PhD Student
12380 Horseshoe wy               16-32 Niizaka                          Natl Institute for Resources and Environment
Richmond, BC                     Sendai, 981                            Ruminasu Onogawa 106
CANADA                           JAPAN                                  Onogawa 12-5
                                 Phone: 011-81-22-274-1475              Tsukuba-shi, 305-0053
                                 Fax:    011-81-22-274-1475             Japan
                                 Email: gef06534@niftyserve.or.jp       Fax:    011-81-298-58-3384
                                                                        Email: a_z@mail.com


Albert E. Wraith                 William R. Yernberg                    Manuel Zamalloa
Albion House                     Editor                                 Research Scientist
Warkworth Morpeth                Society for Mining Met & Exploration   Noranda Tech Ctr
Northumberland, NE65 0TG         8307 Shaffer Pkwy                      240 Hymus Blvd
United Kingdom                   Littleton, CO 80127-4102               Pt Claire, PQ H9R 1G5
Phone: 011-44-1665-711389        Phone: (303) 948-4240                  Canada
Fax:    011-44-1665-712802       Fax:     (303) 973-3845                Phone: (514)630-9541
Email: bert.wraith@nd.ac.uk      Email: yernberg@smenet.org             Fax:    (514)630-9379
                                                                        Email: zamalloa@ntg.noranda.com




10/26/99                                                                       Page 41 of 42
Bao Guo Zhang
Research Asst
Univ of Nevada
1775 Evans Ave Apt 119
Reno, NV 89512-1509
Phone: (775) 323-0567
Email: bgzhang@unr.edu




Glenn Zinn
President
AMT Inc
7400 N Oracle Rd
Suite 343
Tucson, AZ 85704
Phone: (520) 544-8815 x23
Fax:    (520) 544-8507




10/26/99                    Page 42 of 42

								
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