Macarthur Minerals Limited
TSX VENTURE : MMS
OTCQX : MMSDF

Macarthur Minerals Limited

June 24, 2011 08:45 ET

Macarthur Minerals Limited Information Available Through Standard & Poor's Market Access Program

VANCOUVER, BRITISH COLUMBIA--(Marketwire - June 24, 2011) -

THIS NEWS RELEASE IS NOT FOR DISTRIBUTION TO UNITED STATES SERVICES OR FOR DISSEMINATION IN THE UNITED STATES

Macarthur Minerals Limited (TSX VENTURE:MMS)(OTCQX:MMSDF) (the Company") is pleased to announce that effective today the Company information will be made available via Standard & Poor's Market Access Program.

Standard & Poor's Market Access Program is an information distribution service that enables subscribing publicly traded companies to have their company information disseminated to users of Standard & Poor's MarketScope Advisor. The company information to be made available through this program includes share price, volume, dividends, shares outstanding, company financial position, and earnings. Standard & Poor's MarketScope Advisor is an Internet-based research engine used by more than 100,000 investment advisors. A public version of the site is available at www.marketscope.com.

In addition, information about companies in Standard & Poor's Market Access Program will be available via S&P's Stock Guide database, which is distributed electronically to virtually all major quote vendors. As part of the program, a full description of the company will also be published in the Daily News section of Standard Corporation Records, a recognized securities manual for secondary trading in up to 38 states under their Blue Sky Laws.

About Macarthur Minerals Limited

Macarthur Minerals Limited, is a Perth, Australia based resource development company that is currently focused on developing its Lake Giles Iron Ore project, located in the Yilgarn iron ore district in Western Australia. The Lake Giles project is located 110Km from rail with direct access to the Port of Esperance, Western Australia. The project has a resource of 1.3 billion tonnes of Magnetite mineralization that has been reported in accordance with National Instrument 43-101, and 18 million tonnes of potential Direct Shipping Ore (DSO) Goethite/Hematite at 55.5% Fe.

Company information distributed through the Market Access Program is based upon information that Standard & Poor's considers to be reliable, but neither Standard & Poor's nor its affiliates warrant its completeness or accuracy, and it should not be relied upon as such. This material is not intended as an offer or solicitation for the purchase or sale of any security or other financial instrument.

On behalf of the Board of Directors,

MACARTHUR MINERALS LIMITED

Alan Phillips, President, Chairman & CEO

Neither TSX Venture Exchangenor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy or this release.

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