NEW YORK, Oct. 29 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) opens trading in options on the following Amex-listed ProShares exchange traded funds: -- UltraShort MidCap400 ProShares (Symbol: MZZ) -- Ultra Short S&P500 ProShares (Symbol: SDS) -- Ultra S&P500 ProShares (Symbol: SSO) -- Ultra Oil & Gas ProShares (Symbol: DIG) -- Ultra Real Estate ProShares (Symbol: URE) UltraShort MidCap400 ProShares options will open with strike prices of 45 - 60 (1 pt increments) and position limits of 7,500,000 shares. The options will trade on the March expiration cycle. The specialist is AGS/STR/OTA. UltraShort MidCap400 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 S&P MidCap400 Index. UltraShort S&P500 ProShares options will open with strike prices of 45 - 57 (1 pt increments) and position limits of 25,000,000 shares. The options will trade on the March expiration cycle. The specialist is AGS/STR/OTA. UltraShort S&P500 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 S&P 500 Index. Ultra S&P500 ProShares will open with strike prices of 84 -104 (1 pt increments) and position limits of 25,000,000 shares. The options will trade on the March expiration cycle. The specialist is AGS/STR/OTA. Ultra S&P500 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 S&P 500 Index. Ultra Oil & Gas ProShares will open with strike prices of 97 -118 (1 pt increments) and position limits of 2,500,000 shares. The options will trade on the March expiration cycle. The specialist is Bluefin Specialist, LLC. Ultra Oil & Gas 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 U.S. Oil & Gas Index. Ultra Real Estate ProShares will open with strike prices of 40 -50 (1 pt increments) and position limits of 2,500,000 shares. The options will trade on the March expiration cycle. The specialist is Bluefin Specialist, LLC. Ultra Real Estate 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 U.S. Real Estate Index. 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 362 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: Catherine Chantharaj of American Stock Exchange, +1-212-306-1689, Web site: http://www.amex.com/

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