Applied Signal Technology, Inc. (NASDAQ:APSG) (AST), a market leader in advanced intelligence, surveillance, and reconnaissance (ISR) and cyber solutions, today announced that its President and Chief Executive Officer, William B. Van Vleet, and Chief Financial Officer, James Doyle, will participate in the Oppenheimer 5 th Annual Industrials Conference, New York City, NY.

AST’s presentation is scheduled for 11:45 a.m. eastern time on Thursday, September 30, 2010, and will include an overview of the Company’s business followed by a Q&A session. A link to the live audio webcast of the presentation will be available via the Company’s web site at http://www.appsig.com. A replay of the webcast will be available for approximately 90 days following the call.

About Applied Signal Technology, Inc.

Applied Signal Technology, Inc. is a leading provider of advanced intelligence, surveillance and reconnaissance (ISR) products, systems, and services that enhance global security. For further information about Applied Signal Technology, visit our website at www.appsig.com

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