About Tri-Valley CorporationTri-Valley Corporation explores for and produces oil and natural gas in California and has two exploration-stage gold properties in Alaska. Tri-Valley is incorporated in Delaware and is publicly traded on the NYSE Amex exchange under the symbol “TIV.” Our Company website, which includes all SEC filings, is www.tri-valleycorp.com. Special Note Regarding Forward-Looking Statements All statements contained in this press release that refer to future events or other non-historical matters are forward-looking statements. By way of example, statements contained in this press release related to the closing of the private placement and the expected use of proceeds from the financing, and such other future events described in this press release, are forward-looking statements. Although the Company does not make forward-looking statements unless it believes it has a reasonable basis for doing so, the Company cannot guarantee their accuracy. These statements are only predictions based on management’s expectations as of the date of this press release, and involve known and unknown risks, uncertainties and other factors, including: the Company’s ability to satisfy each of the closing conditions specified in the definitive stock purchase agreement executed in connection with the private placement, and such other risks and factors that are discussed in the Company’s filings with the Securities and Exchange Commission from time to time, including under “Item 1A. Risk Factors” and “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations,” contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010. Except as required by law, the Company undertakes no obligation to update or revise publicly any of the forward-looking statements after the date of this press release to conform such statements to actual results or to reflect events or circumstances occurring after the date of this press release.