NEW YORK, May 25 /PRNewswire-FirstCall/ -- The American Stock Exchange(R) (Amex(R)) today began trading Morgan Stanley's 9% Stock Participation Accreting Redemption Quarterly-pay Securities ("SPARQS") mandatorily exchangeable for common shares of Valero Energy Corp. Trading under the ticker symbol SVE, the new securities were issued at $29.345 with an initial offering of 1,363,095 shares and a maturity date of June 20, 2007. The notes are issued by Morgan Stanley. The Amex specialist unit is Wolverine Trading, LLP. If you would like to receive a copy of the prospectus for SVE, please visit the American Stock Exchange website at http://www.amex.com/. If you have any further questions please contact the Capital Markets Group at the American Stock Exchange at or call 212-306-1659." 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 167 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. DATASOURCE: American Stock Exchange CONTACT: Renee Rossi, American Stock Exchange, +1-212-306-8964, Web site: http://www.amex.com/

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