American Stock Exchange to Trade Options on Seven Securities NEW YORK, March 25 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Friday, March 26, 2004 on the following Nasdaq Stock Market and New York StockExchange listed stocks of: * Agile Software Corporation (Option Symbol: IQG/Stock Symbol: AGIL) * BHP Billiton Limited, American Depositary Shares (Symbol: BHP) * Dade Behring Holdings, Inc. (Option Symbol: JDQ/Stock Symbol: DADE) * Omnicell, Inc. (Option Symbol: UMK/Stock Symbol: OMCL) * Plains Exploration & Production Company (Symbol: PXP) * Potlatch Corporation (Symbol: PCH) * The Warnaco Group, Inc. (Option Symbol: QNV/Stock Symbol: WRNC) Agile Software Corporation options will open with strike prices of 5 - 7 1/2 - 10 and position limits of 3,150,000 shares. The options will trade on the February expiration cycle with initial expirations in April, May, August and November. The specialist will be Bowery Specialist Group, LLC. Agile Software Corporation supplies Web-centric product content management software for use within and among enterprises in a manufacturing supply chain. BHP Billiton Limited, American Depositary Shares options will open with strike prices of 15 - 17 1/2 - 20 and position limits of 3,150,000 shares. The options will trade on the February expiration cycle with initial expirations in April, May, August and November. The specialist will be Tanstaafl Research & Trading, LLC. BHP Billiton Limited is an international resources company whose principal business lines are mineral exploration and production, including coal, iron ore, gold, titanium, ferroalloys, nickel and copper concentrate, as well as petroleum exploration, production and refining. Dade Behring Holdings, Inc. options will open with strike prices of 35 - 40 - 45 and position limits of 2,250,000 shares. The options will trade on the February expiration cycle with initial expirations in April, May, August and November. The specialist will be LaBranche Structured Products, LLC. Dade Behring Holdings, Inc. manufactures and markets a range of diagnostics products for clinicians located worldwide. Omnicell, Inc. options will open with strike prices of 17 1/2 - 20 - 22 1/2 and position limits of 2,250,000 shares. The options will trade on the February expiration cycle with initial expirations in April, May, August and November. The specialist will be TD Options, LLC. Omnicell, Inc. provides an integrated suite of clinical infrastructure and workflow automation solutions for healthcare facilities. Plains Exploration & Production Company options will open with strike prices of 15 - 17 1/2 - 20 and position limits of 1,350,000 shares. The options will trade on the February expiration cycle with initial expirations in April, May, August and November. The specialist will be Charlton Specialist Partners, LLC. Plains Exploration & Production Company is an independent oil and gas company with operations in California, Illinois and Indiana. Potlatch Corporation options will open with strike prices of 35 - 40 - 45 and position limits of 2,250,000 shares. The options will trade on the February expiration cycle with initial expirations in April, May, August and November. The specialist will be AGS Specialists, LLC. Potlatch Corporation is an integrated forest products company. The Company grows and harvests timber, as well as manufactures and sells wood products, printing papers and other pulp-based products. The Warnaco Group, Inc. options will open with strike prices of 15 - 17 1/2 - 20 and position limits of 3,150,000 shares. The options will trade on the February expiration cycle with initial expirations in April, May, August and November. The specialist will be Group One Trading, L.P. The Warnaco Group, Inc. manufactures intimate apparel, menswear, jeanswear, swimwear and accessories sold under various brand names, including Warner's, Olga, Calvin Klein and Speedo. The Company also owns and operates SpeedoAuthentic Fitness stores in the United States and Canada. 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 HOLDRSSM. 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 138 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: The American Stock Exchange CONTACT: Media - Lynn Duffy of the American Stock Exchange, +1-212-306-1654, Web site: http://www.amex.com/

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