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First Quarter 2009 Conference Call of TeleCommunication is Set.

ANNAPOLIS, MD, (MARKET WIRE via COMTEX) -- TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS), a global leader in mission-critical wireless communications technology, will hold a conference call on Thursday, April 30, 2009 at 5:00 p.m.
Eastern Time, to discuss results for the first quarter ended March 31, 2009. Financial results will be issued in a press release after the close of the market the same day.
TeleCommunication Systems' chairman, president and CEO, Maurice B. Tose, and senior vice president and CFO, Tom Brandt, will host the presentation, followed by a question and answer period.
Date: Thursday, April 30, 2009 Time: 5:00 p.m. Eastern time (2:00 p.m. Pacific time). The conference call will be broadcast simultaneously and available for replay via the investor section of the company's Web site at www.telecomsys.com.

Please call the conference telephone number 5-10 minutes prior to the start time. An operator will register your name and organization and ask you to wait until the call begins. If you have any difficulty connecting with the conference call, please contact the Liolios Group at 949-574-3860 .

A replay of the call will be available after 8:00 p.m. Eastern time on the same day and until May 30, 2009: Toll-free replay number: 1-800-688-9445 International replay number: 1-402-220-1371 (No passcode required) About TeleCommunication Systems TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS) engineers and delivers highly reliable wireless communications technology. TCS is a leader in wireless text messaging and location-based technology, including E9-1-1 services and commercial applications like navigation that use the precise location of a wireless device, and secure satellite-based communications systems and services. Customers include leading wireless and VoIP carriers around the world, cable MSOs, automotive telematics vendors, and agencies of the U.S.

TCS is one of six primary vendors on a $5 billion Army Worldwide Satellite Systems Contract vehicle. For more information, visit www.telecomsys.com. Company Contacts: Tom Brandt Senior Vice President and CFO TeleCommunication Systems, Inc.