MANTIS MINERAL CORP. PROPOSES AMENDMENTS TO WARRANTS

TORONTO, Aug. 23 /CNW/ - Mantis Mineral Corp. (CNSX-MYN)(the "Company") announces that the Company proposes to amend the terms of 3,980,938 common share purchase warrants which were issued pursuant to the Company's private placement September 7, 2005. In particular, the Company proposes to reduce the exercise price of the warrants from $0.50 to $0.15 per share and extend the term of the warrants by three years from September 7, 2010, to September 7, 2013.

Pursuant to the policies of the CNSX the amended warrants must include an acceleration clause which provides that if the common shares of the Company trade at greater than $0.20 for 10 consecutive trading days then the Company would be required to trigger an acceleration of the expiry date of the warrants to the date which is 37 days following such 10 day period.

The amendments will not apply to warrants issued to agents in connection with the private placement. The amendments are subject to the consent of the affected warrant holders and regulatory approval, including satisfaction of the requirements of the CNSX.

The CNSX has not reviewed and does not accept responsibility for the adequacy of this release.

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For further information: Mr. Robin Ross, Chairman & CEO: [phone], [email protected] or visit our corporate website at www.mantismineralcorp.com