NEW YORK, Aug. 24 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) has launched trading in options on Thursday, August 24, 2006 on the following exchange traded funds: * VANGUARD(R) MID-CAP GROWTH ETF (symbol: VOT) * VANGUARD(R) MID-CAP VALUE ETF (symbol: VOE) VANGUARD(R) MID-CAP GROWTH ETF will open with strike prices of (45 - 55 1 pt increments) and position limits of 2,500,000 shares. The options will trade on the March expiration cycle. The specialist will be Jane Street Specialists, LLC. The fund seeks to track the performance of a benchmark index that measures the investment return of mid-capitalization growth stocks. The Fund employs a "passive management" -- or indexing-investment approach designed to track the performance of the MSCI US Mid Cap Growth Index, a broadly diversified index of value stocks of medium-size U.S. companies. The Fund attempts to replicate the target index by investing all, or substantially all, of its assets in the stocks that make up the Index, holding each stock in approximately the same proportion as its weighting in the Index. VANGUARD(R) MID-CAP VALUE ETF options will open with strike prices of (45 - 55 1 pt increments) and position limits of 2,500,000 shares. The options will trade on the March expiration cycle. The specialist will be Susquehanna Investment Group. The fund seeks to track the performance of a benchmark index that measures the investment return of mid-capitalization value stocks. The Fund employs a "passive management" -- or indexing- investment approach designed to track the performance of the MSCI US Mid Cap Value Index, a broadly diversified index of value stocks of medium-size U.S. companies. The Fund attempts to replicate the target index by investing all, or substantially all, of its assets in the stocks that make up the Index, holding each stock in approximately the same proportion as its weighting in the Index. 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 190 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: Bari Trontz of American Stock Exchange, +1-212-306-8964, Web site: http://www.amex.com/

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