American Sierra Gold -- Discovery Day Update

American Sierra Gold Corp. (OTCBB: AMNP) regretfully announces that a fatal incident occurred at the Discovery Day Mine project on the evening of May 28th, 2010 resulting in the death of a mineworker.

American Sierra's Chief Executive Officer Mr. Wayne Gruden and his management team express their sincere condolences to the family of the deceased.

MSHA commenced an investigation to the cause of the incident the following day and all underground work has been suspended pending completion of the investigation. American Sierra's management is also conducting its own investigation of the incident.

Forward-Looking Statements

The statements by our officers, and other statements regarding optimism related to the business, expanding exploration and development activities and other statements in this press release are forward-looking statements within the meaning of the Securities Litigation Reform Act of 1995. Such statements are based on current expectations, estimates and projections about the Company's business. Words such as expects, anticipates, intends, plans, believes, sees, estimates and variations of such words and similar expressions are intended to identify such forward-looking statements. These statements are not guarantees of future performance and involve certain risks and uncertainties that are difficult to predict. Actual results could vary materially from the description contained herein due to many risk factors that affect the industry the Company operates in and other risk factors listed from time to time in the Company's Securities and Exchange Commission (SEC) filings under "risk factors" and elsewhere. The forward-looking statements contained in this press release speak only as of the date on which they are made, and the Company does not undertake any obligation to update any forward-looking statement to reflect events or circumstances after the date of this press release.

For further information please contact: American Sierra Gold Corp Wayne Gruden President and CEO Investor Relations 1-888-279-3921 Email Contact www.americansierragold.com