NEW YORK, Dec. 12 /PRNewswire/ -- The American Stock Exchange(R) (Amex) will launch trading in options on Tuesday, December 13, 2005 on the following Nasdaq Stock Market listed stocks of: * ON SEMICONDUCTOR CORPORATION (Stock Symbol: ONNN/Option Symbol OKU) * SUNPOWER CORPORATION, INC. (Stock Symbol: SPWR/Option Symbol: QSU) ON Semiconductor Corporation options will open with position limits of 7,500,000 shares. The options will trade on the January expiration cycle. The specialist will be AGS Specialist LLC. ON Semiconductor Corporation supplies analog, standard logic, and discrete semiconductors for data and power management. SunPower Corporation options will open with position limits of 7,500,000 shares. The options will trade on the March expiration cycle. The specialist will be AGS Specialist LLC. SunPower Corporation designs and manufactures silicon solar cells. 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 150 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: The American Stock Exchange CONTACT: Mary Chung, American Stock Exchange, +1-212-306-1641, or Web site: http://www.amex.com/

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