MINERAL RESOURCES LIMITED — M&A Activity 2009

Sep 30, 2009

ACN 118 549 910

==> picture [424 x 40] intentionally omitted <==

1 October 2009

Advisor, Issuers Australian Stock Exchange Limited GPO Box D187 Perth WA 6840

Dear Sir / Madam,

Heron Resources accepts offer for Polaris Shares

Mineral Resources Limited (ASX:MIN) confirms that Heron Resources Limited has formally accepted the off-market takeover offer for 19.9% of Polaris Metals NL shares in accordance with the Pre-Bid Acceptance Agreement dated 20 August 2009.

Mineral Resources’ Chairman, Mr Peter Wade said “This is a positive first step and we are looking forward to further positive support for the offers from Polaris Shareholders and Optionholders.”

The Off-market takeover offers for Polaris Metals NL opened on 23 September 2009 and closes on Monday, 26 October 2009, unless the Offer period is extended.

Yours Sincerely,

==> picture [79 x 40] intentionally omitted <==

Bruce Goulds Company Secretary

Mineral Resources Limited and is a leading, integrated, Australian based mining services and processing company with operations in contract crushing, general mine services, infrastructure provision and recovery of base metal concentrate for export. Operations are supplemented by rehabilitation and sale of heavy duty crushing and processing equipment, hire of engineering and crushing fleet plant and workshop manufacture of polyethylene pipe fittings and components.

Comprising three long standing core businesses, PIHA Pty Ltd, Crushing Services International Pty Ltd and Process Minerals International Pty Ltd, Mineral Resources Limited has developed a strong reputation for the cost effective delivery of its services and products to the resources and infrastructure sectors.

For further information:

Mr Peter Wade Executive Chairman / Managing Director Telephone: (08) 9437 7000 www.mineralresources.com.au