American Stock Exchange to Trade Options on Thirteen Securities NEW YORK, July 19 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Tuesday, July 20, 2004 on the following American Stock Exchange, Nasdaq Stock Market and New York Stock Exchange listed stocks of: -- Autodesk, Inc. (Option Symbol: ADQ/Stock Symbol: ADSK) -- Brooks Automation, Inc. (Option Symbol: BQE/Stock Symbol: BRKS) -- Cadence Design Systems, Inc. (Symbol: CDN) -- Harris & Harris Group, Inc. (Option Symbol: QJT/Stock Symbol: TINY) -- The Houston Exploration Company (Symbol: THX) -- Immtech International, Inc. (Symbol: IMM) -- Jos. A. Bank Clothiers, Inc. (Option Symbol: QZS/Stock Symbol: JOSB) -- Kinetic Concepts, Inc. (Symbol: KCI) -- PetMed Express, Inc. (Option Symbol: TRQ/Stock Symbol: PETS) -- Range Resources Corporation (Symbol: RRC) -- Salix Pharmaceuticals, Ltd. (Option Symbol: PQN/Stock Symbol: SLXP) -- Smurfit-Stone Container Corporation (Option Symbol: JJQ/ Stock Symbol: SSCC) -- Tularik Inc. (Option Symbol: TIQ/Stock Symbol: TLRK) Autodesk, Inc options will open with position limits of 7,500,000 shares. The options will trade on the January expiration cycle. The specialist will be Fogel Group, LLC. Autodesk, Inc. supplies PC software and multimedia tools. Brooks Automation, Inc. options will open with position limits of 7,500,000 shares. The options will trade on the January expiration cycle. The specialist will be Stuyvesant Trading Group. Brooks Automation, Inc. delivers automation solutions to the global semiconductor and related industries. Cadence Design Systems, Inc. options will open with position limits of 7,500,000 shares. The options will trade on the February expiration cycle. The specialist will be Stuyvesant Trading Group. Cadence Design Systems, Inc. provides software technology and comprehensive design and consulting services and technology. Harris & Harris Group, Inc. options will open with position limits of 3,150,000 shares. The options will trade on the March expiration cycle. The specialist will be AGS Specialists, LLC. Harris & Harris Group, Inc. is a venture capital investment company. The Houston Exploration Company options will open with position limits of 2,250,000 shares. The options will trade on the March expiration cycle. The specialist will be Fogel Group, LLC. The Houston Exploration Company explores, develops, exploits and acquires natural gas and oil properties. Immtech International, Inc. will open with position limits of 1,350,000 shares. The options will trade on the March expiration cycle. The specialist will be Bowery Specialist Group, LLC. Amex-listed Immtech International, Inc. is a pharmaceutical company seeking to commercialize oral treatments for infectious diseases. Jos. A. Bank Clothiers, Inc will open with position limits of 3,150,000 shares. The options will trade on the January expiration cycle. The specialist will be Susquehanna Investment Group. Jos. A. Bank Clothiers, Inc. manufactures classic men's clothing. Kinetic Concepts, Inc. will open with position limits of 3,150,000 shares. The options will trade on the January expiration cycle. The specialist will be Susquehanna Investment Group. Kinetic Concepts, Inc. designs, manufactures, markets and services proprietary products that accelerate the healing process or prevent complications. PetMed Express, Inc. will open with position limits of 2,250,000 shares. The options will trade on the March expiration cycle. The specialist will be Charlton Specialist Partners, LLC. PetMed Express, Inc. is a pet pharmacy. Range Resources Corporation will open with position limits of 3,150,000 shares. The options will trade on the March expiration cycle. The specialist will be Charlton Specialist Partners, LLC. Range Resources Corporation, an independent oil and gas company, conducts operations in the Applachian, Permian, Midcontinent and Gulf Coast regions. Salix Pharmaceuticals, Ltd. will open with position limits of 3,375,000 shares. The options will trade on the January expiration cycle. The specialist will be Group One Trading L.P. Salix Pharmaceuticals, Ltd. develops and markets prescription pharmaceutical products for the treatment of gastrointestinal diseases. Smurfit-Stone Container Corporation will open with position limits of 7,500,000 shares. The options will trade on the February expiration cycle. The specialist will be TAANSTAAFL Research & Trading, LLC. Smurfit-Stone Container Corporation is an integrated manufacturer of paper and paper-based packaging, as well as a paper recycler. Tularik Inc. will open with position limits of 6,000,000 shares. The options will trade on the January expiration cycle. The specialist will be Kellogg Capital Group, LLC. Tularik Inc. discovers and develops a range of novel and orally available drugs based on gene regulation 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 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: Lynn Duffy of American Stock Exchange, +1-212-306-1654, Web site: http://www.amex.com/

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