Bank of America Merrill Lynch is serving as financial advisor to Applied Signal Technology, Inc.. DLA Piper LLP (US) is serving as legal counsel to the Company.

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, Inc., visit our website at www.appsig.com.

Statement on Cautionary Factors

Except for the historical information presented herein, matters discussed herein may constitute forward-looking statements that are subject to certain risks and uncertainties that could cause actual results to differ materially from any future results, performance or achievements expressed or implied by such statements. Statements that are not historical facts, including statements preceded by, followed by, or that include the words “future,” “anticipate,” “potential,” “believe” or similar statements are forward-looking statements. Risks and uncertainties include uncertainties as to the timing of the tender offer and merger; uncertainties as to how many Applied Signal Technology, Inc. shares will be tendered in the offer; the risk that competing offers will be made; the possibility that various closing conditions for the transaction may not be satisfied or waived, including that a governmental entity may prohibit, delay or refuse to grant approval for the consummation of the transaction; the effects of disruption from the transaction making it more difficult to maintain relationships with employees, customers, business partners or governmental entities; as well as risks detailed from time to time in Applied Signal Technology, Inc.’s public disclosure filings with the SEC, including its Annual Report on Form 10-K for the fiscal year ended October 31, 2009, subsequent quarterly filings on Form 10-Q and the solicitation/recommendation statement to be filed in connection with the tender offer. The information contained herein is as of December 20, 2010. Applied Signal Technology, Inc. disclaims any intent or obligation to update any forward-looking statements as a result of developments occurring after the date of this press release or otherwise. Copies of Applied Signal Technology, Inc.’s public disclosure filings are available from its investor relations department.