Applied Signal Technology, Inc. (NASDAQ: APSG) (AST), a market leader in advanced intelligence, surveillance, and reconnaissance (ISR) and cyber solutions, today announced that it will host the 20 th Annual Fall Technology Symposium, November 9-10, at its Annapolis Junction, Maryland facility.

The 2010 Fall Symposium will feature a series of technical seminars and demonstrations focused on the Company’s latest innovations in broadband communications, cyber security, and tactical signals intelligence (SIGINT).

Dr. John Treichler, a national expert in digital and adaptive signal processing and AST's Chief Technology Officer, will deliver the keynote speech on Responding to Emerging Technology Challenges. During the 2010 Spring Symposium, Dr. Treichler discussed emerging technology challenges and divided them into two major categories: changes in computing and telecommunication networks and the resultant impacts on our nation's intelligence priorities. The 2010 Fall keynote will examine a range of potential solutions to these problems and measure the progress made to date.

Other technical seminars include presentations on Engineering Trade-Offs in the Design of Near-Vertical Direction Finding-Based Geolocation Systems, Key Requirements and Drivers for High-Speed Signal Transmission, WCDMA Analysis, High-Rate Packet Processing, and Real-Time SIGINT. Additionally, the Company will conduct a series of track talks focused on cyber security as well as demonstrations of its latest products, technologies, and integrated systems.

“The 2010 Fall Symposium is a forum to present and discuss our full spectrum of technology solutions for ISR,” commented William Van Vleet, President and Chief Executive Officer of Applied Signal Technology. “It is a learning event for both AST and its customers with great collaborative interaction among presenters and participants. This long-running and well-attended symposium will further demonstrate that AST is a thought leader in technology innovation for a wide range of national security missions.”

For additional information regarding the 20 th Annual Fall Technology Symposium or to register online, please visit http://www.appsig.com/technology-symposium-registration, call (703) 417-5310 or e-mail customer@appsig.com.

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.