DDM ProShares Ultra Dow30

NEW YORK, Nov. 2 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Monday, November 5, 2007 on the following Amex-listed ProShares exchange traded funds: * UltraShort Dow30 ProShares (AMEX:DXD) * UltraShort Oil & Gas ProShares (AMEX:DUG) * Ultra Dow30 ProShares (AMEX:DDM) UltraShort Dow30 ProShares options will open with position limits of 25,000,000 shares. The options will trade on the January expiration cycle. The specialist will be AGS/STR/OTA. UltraShort Dow30 ProShares is an exchange traded fund incorporated in the USA. The Fund seeks daily investment results that correspond to twice (200%) the inverse (opposite) of the Daily performance of the Dow Jones Industrial Average. UltraShort Oil & Gas ProShares options will open with position limits of 5,000,000 shares. The options will trade on the January expiration cycle. The specialist will be AGS/STR/OTA. UltraShort Oil & Gas ProShares is an exchange traded fund incorporated in the USA. The Fund seeks daily investment results that correspond to twice (200%) the inverse (opposite) of the Daily performance of the Dow Jones U.S. Oil & Gas Index. Ultra Dow30 ProShares options will open with and position limits of 5,000,000 shares. The options will trade on the January expiration cycle. The specialist will be AGS/STR/OTA. UltraShort Dow30 ProShares is an exchange traded fund incorporated in the USA. The Fund seeks daily investment results that correspond to twice (200%) the daily performance of the Dow Jones Industrial Average. About the American Stock Exchange The American Stock Exchange(R) (Amex(R)) 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 364 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. For more information, please visit http://www.amex.com/. DATASOURCE: American Stock Exchange CONTACT: Media, Catherine Chantharaj of American Stock Exchange, +1-212-306-1689, Web site: http://www.amex.com/

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