American Stock Exchange Lists Common Stock of Tri-Valley Corporation NEW YORK, Oct. 29 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) today listed the common stock of Tri-Valley Corporation under the ticker symbol TIV. Tri-Valley Corporation is in the business of exploring, acquiring and developing prospective and producing petroleum and precious metals properties and interests therein. The Company has two wholly owned subsidiaries. Tri-Valley Oil & Gas Company ("TVOG") operates the oil & gas activities. TVOG derives the majority of its revenue from gas production. "We are pleased to welcome Tri-Valley to the growing number of innovative companies listed on the American Stock Exchange," said John McGonegal, vice president of the Amex Equities Group. "We look forward to working with Tri-Valley on building long-term shareholder value and liquidity as well as strong relationships with the investment community." "We believe our listing on the American Stock Exchange will provide our shareholders with greater stability and liquidity and more fully reflect the value of discovery success from our ambitious domestic oil and gas exploration program. Given the mounting concerns over energy sources and supply, we believe listing on the Amex is especially propitious at this time," said F. Lynn Blystone, president and chief executive officer of Tri-Valley Corporation. The specialist in Tri-Valley Corporation will be Cohen Specialists LLC. For further information on TIV and other Amex-listed companies, please visit http://www.amex.com/. The American Stock Exchange(R) (Amex(R)) is the only primary exchange that offers trading across a full range of equities, options and exchange traded funds (ETFs), including structured products and HOLDRS(SM). In addition to its role as a national equities market, the Amex is the pioneer of the ETF, responsible for bringing the first domestic product to market in 1993. Leading the industry in ETF listings, the Amex lists 126 ETFs. The Amex is also one of the largest options exchanges in the U.S., trading options on broad-based and sector indexes as well as domestic and foreign stocks. For more information, please visit http://www.amex.com/. DATASOURCE: The American Stock Exchange CONTACT: Lynn Teresky of the American Stock Exchange, +1-212-306-1654, Web site: http://www.amex.com/

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