VANCOUVER, BRITISH COLUMBIA--(Marketwire - May 28, 2012) - American Manganese Inc. ("American Manganese" or the "Company") (TSX VENTURE:AMY)(PINKSHEETS:AMYZF)(FRANKFURT:2AM) reports that it is applying to the TSX Venture Exchange (the "Exchange") for consent to amend the terms of any unexercised warrants issued by the Company pursuant to the following private placements by extending the term for exercise of the warrants issued pursuant to the private placements by one year:

1. Warrants issued pursuant to a Short Form Offering Prospectus closed in June 2010, increasing the expiry date of the warrants from June 16, 2012 to June 16, 2013
2. Warrants issued pursuant to a Private Placement closed in August 2010, increasing the expiry date of the warrants from August 11, 2012 to August 11, 2013

On behalf of Management

AMERICAN MANGANESE INC.

Larry W. Reaugh, President and Chief Executive Officer

This news release may contain certain "Forward-Looking Statements" within the meaning of Section 21E of the United States Securities Exchange Act of 1934, as amended. All statements, other than statements of historical fact, included herein are forward-looking statements that involve various risks and uncertainties. There can be no assurance that such statements will prove to be accurate, and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from the Company's expectations are disclosed in the Company's documents filed from time to time with the TSX-Venture Exchange, the British Columbia Securities Commission and the US Securities and Exchange Commission.

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