NEW YORK, May 30 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Thursday, May 31, 2007 on the following Amex-listed exchange traded fund: -- Claymore S&P Global Water ETF (Symbol: CGW) Claymore S&P Global Water ETF options will open with strike prices of 20 - 30 (1 pt increments) and position limits of 2,500,000 shares. The options will trade on the March expiration cycle. The specialist will be Bluefin Specialist, LLC. The Fund seeks investment results that correspond generally to the performance of the S&P Global Water Index. About the American Stock Exchange The American Stock Exchange(R) (Amex(R)) 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 314 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: American Stock Exchange CONTACT: Catherine Chantharaj of American Stock Exchange, +1-212-306-1689, Web site: http://www.amex.com/

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