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SUNNYVALE, California, February 3, 2010 – Applied Signal Technology, Inc. (NASDAQ: APSG), a leading provider of advanced intelligence, surveillance, and reconnaissance (ISR) solutions, today announced that William Van Vleet, President and Chief Executive Officer and James Doyle, Chief Financial Officer will present to investors at Cowen and Company’s 31st Annual Aerospace/Defense Conference being held at The InterContinental Barclay in New York City.  The presentation will be webcast live at 2:45 p.m. Eastern Time on Wednesday, February 10, 2010, at www.appsig.com.

About Applied Signal Technology, Inc.

Applied Signal Technology, Inc. provides advanced intelligence, surveillance and reconnaissance (ISR) products, systems and services to enhance global security. For further information about Applied Signal Technology visit our website at www.appsig.com.

Except for historical information contained herein, matters discussed in this news release may contain forward-looking statements that involve risks and uncertainties that could cause actual results to differ materially. Statements as to the increased visibility and confidence in the strength of our broadband, sensors and services business areas, sustainable program level profitability, future organic and new complimentary growth opportunities, the order opportunities available to AST in the rapidly developing intelligence, surveillance and reconnaissance (ISR) and cyber-security markets, the ability of the acquisition of Pyxis to create a range of new business opportunities are all forward-looking statements. The risks and uncertainties associated with these statements include AST's ability to capture organic growth opportunities, the ability to sustain gains in program level profitability, the ability to utilize the strategic advantages of a strong capital position, the ability to execute the acquisition of Pyxis and realize the expected benefits of the acquisition whether orders will be issued by procurers, including the U.S. Government; the timing of any orders placed by procurers; whether AST will be successful in obtaining contracts for these orders if they are forthcoming; whether any contracts obtained by AST will be performed well and be profitable and whether any such contracts might be terminated prior to completion; whether AST will be able to hire qualified staff as needed; and other risks detailed from time to time in our SEC reports including the latest Form 10-K filed for the fiscal year ended October 31, 2008. The Company assumes no obligation to update the information provided in this news release.