TeleCommunication Systems to Participate in Three Defense Industry Events in August

  TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS), a world leader in highly reliable and secure mobile communication technology, today announced that the company will showcase its technology solutions at three defense industry events in August. TCS invites attendees to stop by the TCS booth at each event and learn about the company's products and services.

The month kicks off Aug. 9-11 at The Expeditionary C4 (XC4) Users' Conference in Fredericksburg, Virginia. The XC4 Users' Conference will host command, control, communications and computer stakeholders from across the Marine Corps, government agencies, industry and related organizations. The conference is designed to advance the awareness, development, employment, and support for XC4 capabilities. TCS representatives will be on hand at Booth 62 to discuss the company's capabilities and display its Wireless Point-to-Point Link (WPPL), which provides secure line-of-sight / non-line-of-sight radio frequency communications over terrestrial microwave radio links at distances extending up to 35 miles.

TCS then heads to Baltimore, Maryland, for the AFCEA Technology Showcase, part of the Defense Information Systems Agency (DISA) Customer & Industry Forum, Aug. 15-18 at the Baltimore Convention Center. The showcase will feature more than 200 industry exhibitors alongside 60 DISA exhibits, providing participants with many opportunities to see the latest in technologies, products and services. TCS technology displayed at the event will include a SwiftLink® Dual Router Kit and a SwiftCell™ small deployable cellular station. TCS will be located in Booth 345 at the AFCEA showcase.

TCS will finish up August at LandWarNet 2011, the largest defense, communications and information technology event in the Southeast, which will be held Aug. 23-25 at the Tampa Convention Center in Tampa, Florida. The theme of this year's LandWarNet will be "Transforming Cyber While at War." Hundreds of technologies and solutions will be demonstrated at the event, including TCS' SwiftLink TROPO, SwiftLink SNAP baseband, SwiftCell Tactical Cellular, and SwiftPoint™ 360 antenna positioner, all of which enable secure, mission-critical communications for today's warfighters. TCS will be located in Booth 611 at LandWarNet 2011.

TCS is a proven and trusted provider of communication technology solutions to solve the government's toughest technical challenges under conditions that demand the highest level of reliability, availability and security. To ensure mission continuity, TCS offers deployable communications solutions and end-to-end managed services for converged (IP-based) voice, video and data solutions to organizations requiring seamless, highly secure connectivity between fixed sites and remote operations.

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' cybersecurity expertise, professional services, and highly secure deployable satellite solutions for mission-critical communications. Headquartered in Annapolis, Maryland, TCS maintains technical, service and sales offices around the world. To learn more about emerging and innovative wireless technologies, visit www.telecomsys.com.

Except for the historical information contained herein, this news release contains forward-looking statements as defined within Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities and Exchange Act of 1934, as amended. These statements are subject to risks and uncertainties and are based upon TCS' current expectations and assumptions that if incorrect would cause actual results to differ materially from those anticipated. Risks include without limitation those detailed from time to time in the Company's SEC reports, including the report on Form 10-K for the year ended December 31, 2010 and on Form 10-Q for the quarter ended June 30, 2011.

Existing and prospective investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. The Company undertakes no obligation to update or revise the information in this press release, whether as a result of new information, future events or circumstances, or otherwise.

Company Contact: TeleCommunication Systems, Inc. Meredith Allen 410-295-1865 Email Contact Media Contact: Welz & Weisel Communications Evan Weisel 703-218-3555 Email Contact Investor Relations: Liolios Group, Inc. Scott Liolios 949-574-3860 Email Contact