ARCHER MATERIALS LIMITED — Board/Management Information 2012

May 24, 2012

25 May 2012

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General Manager The Company Announcements Office Australian Securities Exchange

RESIGNATION OF HON JOHN DAWKINS AND PETER MEERS AS DIRECTORS OF ARCHER

Archer Exploration Limited (ASX code: AXE) advises that following the sale of the remaining shares held in Archer by Hudson Resources Limited (“Hudson and related companies”), Mr. Peter Meers has resigned as a Director of Archer, effective immediately. The Honourable John Dawkins AO is currently overseas but has notified the Chairman that he intends to resign as a Director of Archer within the next week. Archer will notify ASX upon receiving a signed written resignation from John Dawkins. Both Directors were appointees of Hudson and their appointments were conditional on Hudson maintaining a substantial share holding in Archer.

The Board of Archer greatly appreciated and benefited from the skills and broad range of business experience that John and Peter bought to the Company during their Directorships.

Archer with its solid cash position is well placed to accelerate exploration and development of its key graphite projects at Campoona and Sugarloaf. Resource drilling to achieve a JORC Measured Resource at Campoona is underway and weather permitting, will be completed within three months. Given the importance of Campoona and the other emerging projects that the Company has, Archer will be commencing a search for a senior person with substantial mining experience to join the Company as a Director to assist in the transition from explorer to miner.

Yours truly,

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Archer Exploration Limited Craig Gooden Company Secretary