Applied Signal Technology, Inc. to Host a Conference Call on February 26, 2007, to Discuss First Quarter Operating Results

Applied Signal Technology, Inc. to Host a Conference Call on
February 26, 2007, to Discuss First Quarter Operating Results

Sunnyvale, CA, February 15, 2007 – Applied Signal Technology, Inc. (NASDAQ: APSG) announced today that it will host a conference call on Monday, February 26, 2007 at 5:00PM Eastern (2:00PM Pacific) to discuss first quarter operating results. Gary L. Yancey, President and CEO, will host the call. The first quarter operating results will be released through the newswire services on Monday, February 26, 2007 at 4:00PM Eastern (1:00PM Pacific).

Investors will have the opportunity to listen to this event in two ways: via teleconference or webcast.

Via telephone, the dial-in number is 877-407-8035 for domestic callers or 201-689-8035 for international callers. No pass code is required. There will be a question and answer session at the end of the conference call. A 24-hour digital replay of the teleconference call will be available by dialing 877-660-6853 for domestic callers and 201-612-7415 for international callers. Replay access numbers are required for the playback: account number 286 and conference ID number 232039. The teleconference call replay will be available beginning at 4:00PM Pacific on February 26, 2007 and ending at 11:59PM Pacific on February 27, 2007.

Applied Signal Technology, Inc. will hold a live webcast at 5:00PM Eastern (2:00PM Pacific) to allow securities analysts and shareholders the opportunity to hear management discuss the company’s quarterly results. The call is being webcast by Vcall and can be accessed through Applied Signal Technology, Inc.’s website at www.appsig.com Investors can also access the web cast at www.vcall.com. The webcast will be available for replay through May 22, 2007.

Applied Signal Technology, Inc. provides advanced digital signal processing products, systems, and services in support of intelligence, surveillance, and reconnaissance for global security. For further information about Applied Signal Technology’s products and services, visit our website at www.appsig.com.