NEW YORK, April 25 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Wednesday, April 26, 2006 on the following Nasdaq Stock Market and New York Stock Exchange listed stocks of: * DexCom Inc. (Option Symbol: UXN/Stock Symbol: DXCM) * HealthSpring, Inc. (Symbol: HS) * Meredith Corporation (Symbol: MDP) * PacificNet Inc. (Options Symbol: UVC/Stock Symbol: PACT) * Sealy Corporation (Symbol: ZZ) * Whitney Holding Corporation (Option Symbol: UVK/Stock Symbol: WTNY) DexCom Inc. options will open with strike prices of 20 - 22 1/2 - 25 and position limits of 5,000,000 shares. The options will trade on the March expiration cycle. The specialist will be AGS Specialists, LLC. DexCom, Inc. is a medical device company focused on the design and development of continuous glucose monitoring systems for people with diabetes. HealthSpring, Inc. options will open with strike prices of 15 - 17 1/2 - 20 and position limits of 5,000,000 shares. The options will trade on the March expiration cycle. The specialist will LaBranche Structured Products, LLC. HealthSpring, Inc. offers managed care services. Meredith Corporation options will open with strike prices of 45 - 50 - 55 and position limits of 5,000,000 shares. The options will trade on the March expiration cycle. The specialist will be Susquehanna Investment Group. Meredith Corporation is a diversified media company primarily focused on publishing and broadcasting. PacificNet Inc. options will open with strike prices of 5 - 7 1/2 - 10 and position limits of 5,000,000 shares. The options will trade on the March expiration cycle. The specialist will be AGS Specialists, LLC. PacificNet Inc. is an Asian information technology (IT) solutions provider that develops and implements full-service IT solutions. Sealy Corporation options will open with strike prices of 12 1/2 - 15 - 17 1/2 and position limits of 5,000,000 shares. The options will trade on the March expiration cycle. The specialist will be LaBranche Structured Products, LLC. Sealy Corporation manufactures and markets a complete line of bedding products, including mattresses and mattress foundations. Whitney Holding Corporation options will open with strike prices of 30 - 35 - 40 and position limits of 5,000,000 shares. The options will trade on the March expiration cycle. The specialist will be Susquehanna Investment Group. Whitney Holding Corporation is a bank holding company. The Company's principal subsidiary, Whitney National Bank, operates offices in Louisiana, Mississippi, Alabama, Texas and Florida, as well as in Grand Cayman. For more information on any Amex-listed company, 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 164 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: American Stock Exchange CONTACT: Kelsey Hubbard of American Stock Exchange, +1-212-306-1640, or Web site: http://www.amex.com/

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