WESTERN YILGARN NL — M&A Activity 2009

Oct 5, 2009

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6 October 2009

Company Announcements Office Australian Securities Exchange 20 Bridge Street SYDNEY NSW 2000

Dear Sir

RE: IRON MOUNTAIN MINING LIMITED (ACN 112 914 459) OFFER FOR SECURITIES IN ALUMINEX RESOURCES LIMITED (ACN 109 245 418)

In accordance with s633 of the Corporations Act 2001, Iron Mountain Mining Limited gives you notice that it has today sent the Bidder’s Statement dated 5 October 2009 together with an Acceptance Form to the relevant holders.

Yours faithfully,

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DAVID ZOHAR Director

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