Notice No. 028 26 March 2007

							                                                                                                                                   No: 028




ACH & ASX Markets Notice                 DERIVATIVES - FUTURES

 Date: 26 March, 2007
                                         INITIAL MARGINS FOR FUTURES
 Key topics
 1. Initial Margins for Futures          The initial margins for the TIMS margin system with effect from 27 March are as
                                         follows:

                                                                                     Previous Margin
                                           Product           Initial Margin ($)         Interval ($)          Change
                                            54WF                    1500                   1500
                                            55WF                    1500                   1500
                                            56WF                    1500                   1500
                                            ACMF                     450                    450
                                            AFBF                     325                    325
 Authorised by:
                                            ASMF                     325                    325
 Samantha Hettihewa                         AWFF                     310                    310
                                            AWMF                     330                    330
 ASX contacts                               XFLF                    2170                   2120                   **
 Verinder Badhni                            XJOF                    2250                   2200                   **
                                            XPJF                     950                    950

                                         **denotes a change in Initial Margin

                                         The interest rate paid to Participants on cash margins will reflect the earnings rate earned by
                                         investing the Cash Cover on a short term or 11.00am basis, minus a 0.50 percent administration fee.
                                         The current interest rate is displayed in the Derivatives Clearing System.
 Telephone
 02 9227 0595


 Australian Clearing House Pty Ltd
 ABN 48 001 314 503
 ASX Limited
 ABN 98 008 624 691
 Exchange Centre
 20 Bridge Street
 Sydney NSW 2000
 PO Box H227
 Australia Square
 NSW 1215
 Telephone 61 2 9227 0697
 Intl Facsimile 61 2 9251 5525
 Facsimile 1300 300 577
 Internet: http://www.asx.com.au
 DX 10427 Stock Exchange Sydney




 No responsibility is accepted for any
 inaccuracies contained in the matter
 published.




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