Telecommunication Systems to Present at the 2007 A.G. Edwards Annual Emerging Growth Conference

Market Wire, September, 2007

TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS) will present at the 2007 A.G. Edwards' Annual Emerging Growth Conference on September 18, 2007 at The New York Palace Hotel. TeleCommunication Systems' CEO Maurice B. Tosé and CFO Tom Brandt will present at 11:15 A.M. Eastern Time.

Management will discuss recent financial results and company progress, including sales trends related to wireless carrier licenses. They will also address recent contract awards received as one of six primary vendors on a $5 billion Army Worldwide Satellite Systems Contract vehicle and as a $90 million prime contractor on a GSA Satcom II vehicle. For the first six months of 2007, TCS reported record revenue of $69.5 million and an EBITDA from continuing operations of $5.0 million or $0.11 per diluted share. The company owns a large wireless data patent portfolio and in May won a $12 million patent infringement jury award.

A.G. Edwards has expanded this year's conference format to span two days and more than 100 emerging growth companies. TCS management will also be available for one-on-one meetings throughout the day. For more information about the conference, visit http://www.agedwards.com .

About A.G. Edwards, Inc.

A.G. Edwards, Inc. is a financial services holding company whose principal subsidiary is A.G. Edwards & Sons, Inc. (Edwards). The Company and its directly owned and indirectly owned subsidiaries provide securities and commodities brokerage, investment banking, trust, asset management, financial and retirement planning, insurance products, and other related financial services to individual, corporate, governmental, municipal and institutional clients through retail branch distribution systems. The Company generates revenues primarily through Edwards. These revenues can be categorized into six main components: asset-management and service fees, commissions, principal transactions, investment banking, net interest revenue and other. For more information, visit http://www.agedwards.com .

About TeleCommunication Systems, Inc.

TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS) produces wireless data communications technology solutions that require proven high levels of reliability. TCS provides wireless and VoIP E9-1-1 network-based services, secure deployable communication systems and engineered satellite-based services, and commercial location applications, like traffic and navigation, using the precise location of a wireless device. Customers include leading wireless and Voice over Internet Protocol (VoIP) operators around the world, and agencies of the U.S. Departments of Defense, State, and Homeland Security. For more information, visit http://www.telecomsys.com .

Media Contacts: Rita Thompson TeleCommunication Systems, Inc. 410-295-1865 Email Contact Investor Relations: Ron Both Liolios Group 949-574-3860 Email Contact