American Stock Exchange Lists Common Stock of Hyperdynamics Corporation NEW YORK, May 5 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) today listed the common stock of Hyperdynamics Corporation under the ticker symbol HDY. Hyperdynamics is an integrated technology services provider focused in the oil and gas industry. The Company's gas subsidiary, SCS Corporation, owns rights to explore and produce large hydrocarbon reserves in West Africa. "We are delighted to welcome Hyperdynamics Corporation to the American Stock Exchange where a growing number of energy-related companies choose to list their shares," said John McGonegal, Senior Vice President of the Amex Equities Group. "We look forward to working with Hyperdynamics and providing them with the value-added resources a growing company needs to succeed in today's competitive marketplace." "We are thrilled to be listing our common stock on the American Stock Exchange. This is a great step for our company and we expect it will enable us to reach a broader base of investors and to execute our business plan in a much more efficient manner," said Kent Watts, Chairman and CEO of Hyperdynamics. The specialist in Hyperdynamics will be Cohen Specialists, LLC. For further information on HDY 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 155 ETFs to date. 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: Mary Chung, American Stock Exchange, +1-212-306-1641, or Web site: http://www.amex.com/ http://www.hypd.com/

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