Tri-Valley Corporation (NYSE Amex:TIV) today announced it will present at the 2011 Global Hunter Securities Conference in San Francisco on Monday, July 18, 2011, at 3:30 p.m. PT, rather than at 2:30 p.m. PT, as previously announced. Tri-Valley’s Chief Financial Officer, John E. Durbin, will review the Company’s business strategy and recent corporate events.

Attendance at this conference is by invitation only. Tri-Valley will offer a live webcast of its presentation which may be accessed at the Investor Relations section of the Company’s website at An archived replay of the presentation will be available for 90 days, also at

About Tri-Valley

Tri-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." The Company website, which includes all SEC filings, is

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