American Stock Exchange to Trade Options on Cheniere Energy, Inc. and Mines Safety Appliances Company NEW YORK, Aug. 2 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Tuesday, August 3, 2004 on the American Stock Exchange and New York Stock Exchange listed stocks of Cheniere Energy, Inc. (Symbol: LNG) and Mines Safety Appliances Company. (Symbol: MSA). Cheniere Energy, Inc. options will open with strike prices of 15 - 17-1/2 - 20 and position limits of 2,250,000 shares. The options will trade on the March expiration cycle with initial expirations in August, September, December and March. The specialist will be Highland Securities Corp. Amex-listed Cheniere Energy, Inc. explores, develops and exploits oil and gas properties. The Company, through a joint exploration program, explores for oil and natural gas along the Gulf Coast of Louisiana, onshore and in the shallow waters of the Gulf of Mexico. Mines Safety Appliances Company options will open with strike prices of 30 - 35 - 40 and position limits of 1,350,000 shares. The options will trade on the March expiration cycle with initial expirations in August, September, December and March. The specialist will be Stuvesant Trading Group. Mines Safety Appliances Company manufactures and sells products designed to protect the safety and health of workers worldwide. The Company's products include respiratory protective equipment and instruments that monitor and analyze workplace environments and control industrial processes. 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 138 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. DATASOURCE: The American Stock Exchange CONTACT: Media - Lynn Duffy of American Stock Exchange, +1-212-306-1654, Web site: http://www.amex.com/

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