American Stock Exchange to Trade Options on Four Securities

NEW YORK, Aug. 17  /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Thursday, August 18, 2005 on the Nasdaq Stock Market and New York Stock Exchange listed stocks of:

  * American Science and Engineering, Incorporated
    (Stock Symbol: ASEI/Option Symbol: KBU)
  * Anadys Pharmaceuticals, Incorporated
    (Stock Symbol: ANDS/Option Symbol: QDZ)
  * Entrust, Incorporated
    (Stock Symbol: ENTU/Option Symbol: DUU)
  * National Fuel Gas Company
    (Symbol: NFG)



American Science and Engineering, Incorporated options will open with strike prices of 50- 55 - 60 and position limits of 2,500,000 shares.  The options will trade on the January expiration cycle with initial expirations in September, October, January and April.  The specialist will be AGS Specialists, LLC. American Science and Engineering, Inc. provides X-ray detection and imaging products used for the detection of illegal drugs, terrorist explosives and smuggled goods.  The Company's equipment, purchased by government and commercial clients, utilizes transmission and backscatter X-ray detection to provide differentiation of bombs, drugs and contraband in camouflaged environments.

Anadys Pharmaceuticals, Incorporated options will open with strike prices of 10- 12-1/2 - 15 and position limits of 2,500,000 shares.  The options will trade on the January expiration cycle with initial expirations in September, October, January and April.  The specialist will be TANSTAAFL Research & Trading, LLC.  Anadys Pharmaceuticals, Inc. provides biopharmaceuticals.  The Company discovers, develops and commercializes small molecule, anti-infective medicines for the treatment of hepatitis C virus, or HCV, and bacterial infections.

Entrust, Incorporated options will open with strike prices of 5- 7-1/2  - 10 and position limits of 7,500,000 shares.  The options will trade on the January expiration cycle with initial expirations in September, October, January and April.  The specialist will be TANSTAAFL Research & Trading, LLC. Entrust, Inc. provides Internet security services and solutions that make it safe to do business and complete transactions over the Internet. The Company has a set of identification, entitlements, verification, privacy and security management capabilities.

National Fuel Gas Company options will open with strike prices of 25- 30 - 35 and position limits of 5,000,000 shares.  The options will trade on the January expiration cycle with initial expirations in September, October, January and April.  The specialist will be Jane Street Specialists, LLC.  National Fuel Gas Co. is an integrated natural gas company with operations in all segments of the natural gas industry, including utility, pipeline and storage, exploration and production, and marketing operations.

For more information on any Amex-listed company, please visit http://www.amex.com/.

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 164 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 of American Stock Exchange, [phone],

 



Web site:  http://www.amex.com/

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