American Stock Exchange to Trade Options On Four Securities NEW YORK, June 7 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Wednesday, June 8, 2005 on the following Nasdaq Stock Market and New York Stock Exchange listed stocks of: -- Gentiva Health Services, Inc. (Option Symbol: FUP/Stock Symbol: GTIV) -- Innovative Solutions and Support, Inc. (Option Symbol: BJU/Stock Symbol: ISSC) -- Oriental Financial Group Inc. (Symbol: OFG) -- World Fuel Services Corporation (Symbol: INT) Gentiva Health Services, Inc. options open strike prices of 15- 17-1/2 - 20 and position limits of 5,000,000 shares. The options will trade on the February expiration cycle with initial expiration in July, August, November and February. The specialist will be Group One Trading LP. Gentiva Health Services, Inc. provides specialty pharmaceutical and home health care services. The company provides products and services for hemophilia and bleeding disorders, growth hormone deficiency, RSV prevention and nutritional support services. Gentiva also provides services for diabetes, cardiovascular conditions, post-surgical care, orthopedic rehabilitation and other diseases. Innovative Solutions and Support, Inc. options open strike prices of 30 - 35 - 40 and position limits of 5,000,000 shares. The options will trade on the February expiration cycle with initial expiration in July, August, November and February. The specialist will be TANSTAAFL Research & Trading, LLC. Innovative Solutions and Support, Inc. designs, manufactures and sells flight information computers, electronic displays and advanced monitoring systems to the military and government, commercial air transport and corporate aviation markets. The Company's products measure and display flight information, including air data, such as airspeed and altitude, and engine and fuel data. Oriental Financial Group, Inc. options open strike prices of 12-1/2 - 15 - 17-1/2 and position limits of 5,000,000 shares. The options will trade on the February expiration cycle with initial expiration in July, August, November and February. The specialist will be Jane Street Specialists, LLC. Oriental Financial Group Inc. is the holding company for Oriental Bank & Trust. The Bank provides trust, money management, financial planning and investment brokerage services, as well as consumer banking and mortgage banking. Oriental Bank operates through a network of branch offices in Puerto Rico. World Fuel Services Corporation options open strike prices of 22-1/2 - 25 - 30 and position limits of 5,000,000 shares. The options will trade on the February expiration cycle with initial expiration in July, August, November and February. The specialist will be Susquehanna Investment Group. World Fuel Services Corporation markets aviation and marine fuel services. The Company provides aviation fuel and flight plans, weather reports, other aviation related services to passenger, cargo and charter airlines, as well as markets marine fuel and fuel management services to shipping companies and the US military. 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 156 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: Mary Chung, American Stock Exchange, +1-212-306-1641, Web site: http://www.amex.com/

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