Short Form Prospectus Filing

Added May 31st, 2010 – Vancouver, British Columbia


American Manganese Inc., (TSX.V: AMY; Pink Sheets: AMYZF) is pleased to announce that it has received clearance to file its final short form prospectus for its public offering (the “Offering”) of units (the “Units”) to be sold on a best efforts basis in the provinces of British Columbia, Alberta and Ontario at a price of $0.32 per Unit. The Offering will be conducted through Pope & Company Limited (the “Agent”) to raise gross proceeds of $882,522 through the sale of 2,757,880 Units.

Each Unit will consist of one common share in the capital of the Company (a “Common Share”) and one transferable common share purchase warrant (a “Warrant”). Each Warrant will entitle the holder to acquire one Common share at a price per Common Share of $0.48 for a period of 24 months following the date of closing of the Offering. In addition, the Company has granted the Agents an over-allotment option (the “Option”) to increase the size of the Offering by 15% on the same terms. The Option may be exercised in whole or in part, at any time up to the closing date of the Offering. The Company has agreed to pay the Agent an 8% cash commission as well as compensation options entitling the Agent to purchase that number of Units of the Company that is equal to 8% of the aggregate number of Units sold under the Offering at an exercise price of $0.32 per Unit for a period of 24 months following the closing date of the Offering. The closing of the Offering is expected to occur on June 4, 2010 or on such date as the Company and the Agent may agree.

The net proceeds from the sale of the Units will be used for advancing the pre-feasibility study on the Company’s Arizona Manganese Project, including diamond drilling and metallurgical testing, as follows:

Geology work and drilling:  $150,000
Metallurgical testing and process design:  $50,000
Upcoming BLM fees & option payments to patent holders:  $250,000
Working Capital:  $211,920

The Offering is subject to the receipt of all necessary approvals, including the approval of the TSX Venture Exchange.

The Units have not been, nor will they be registered under the United States Securities Act of 1933, as amended and may not be offered or sold within the United States, or to or for the account or benefit of U.S. persons without registration or pursuant to an applicable exemption from the U.S. Registration requirements.

This press release does not constitute an offer to sell, nor is it a solicitation of an offer to buy securities.

About American Manganese Inc.

American Manganese Inc. is a diversified specialty and critical metal Company focusing on potentially becoming the lowest cost producer of electrolytic manganese from its Arizona Manganese Project

On behalf of Management
AMERICAN MANGANESE INC.

Larry W. Reaugh
President and Chief Executive Officer

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The Toronto Stock Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release. 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 Toronto Stock Exchange, the British Columbia Securities Commission and the US Securities and Exchange Commission.