ANNAPOLIS, MD -- (MARKET WIRE) -- 10/05/11

TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS), a world leader in highly reliable and secure mobile communication technology, will hold a conference call on Thursday, October 27, 2011 at 5:00 p.m. Eastern time to discuss results for the third quarter ended September 30, 2011. Financial results will be issued in a press release after the close of the market on the same day.

TeleCommunication Systems' chairman, president and CEO, Maurice B. Tosé, and senior vice president and CFO, Tom Brandt, will host the presentation, followed by a question and answer period.

Date: Thursday, October 27, 2011
Time: 5:00 p.m. Eastern time (2:00 p.m. Pacific time)
Dial-In Number: 1-877-941-8416
International: 1-480-629-9808
Conference ID#: 4478434

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. If you have any difficulty connecting with the conference call, please contact Liolios Group at 1-949-574-3860.

A replay of the call will be available after 8:00 p.m. Eastern time on the same day and until November 10, 2011.

Toll-free replay number: 1-877-870-5176
International replay number: 1-858-384-5517
Replay pin number: 4478434

About TeleCommunication Systems, Inc.
TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS) is a world leader in highly reliable and secure mobile communication technology. TCS infrastructure forms the foundation for market leading solutions in E9-1-1, text messaging, commercial location and deployable wireless communications. TCS is at the forefront of new mobile cloud computing services providing wireless applications for navigation, hyper-local search, asset tracking, social applications and telematics. Millions of consumers around the world use TCS wireless apps as a fundamental part of their daily lives. Government agencies utilize TCS' cyber security expertise and professional services for mission-critical communications. Headquartered in Annapolis, MD, TCS maintains technical, service and sales offices around the world. To learn more about emerging and innovative wireless technologies, visit www.telecomsys.com.

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Company Contacts:
Tom Brandt
Senior Vice President and CFO
TeleCommunication Systems, Inc.
Tel 410-280-1001
Email Contact

Scott Liolios or Matt Glover
Investor Relations
Liolios Group, Inc.
Tel 949-574-3860
Email Contact