Subsequent to the publication of this Press Release TeleCommunication Systems was fully absorbed into StockGroup Inc.

ANNAPOLIS, MD, Jan 24, 2006 (MARKET WIRE via COMTEX News Network) -- TeleCommunication Systems (TCS) (NASDAQ: TSYS), a leading provider of mission critical wireless communications, today announced that it has selected Reuters (NASDAQ: RTRSY) (LSE: RTR.L), the global information company, as its preferred provider of market data and news for marketStream(TM), its streaming, wireless market data product.

TCS will integrate Reuters leading global market data and news into its marketStream(TM) service allowing users to view Reuters information in a real-time, streaming format on their cell phones, BlackBerry(R) devices and other wireless handheld devices.

Initially developed on Research in Motion's widely adopted BlackBerry platform, marketStream(TM) is also compatible with Microsoft's PocketPC platform and works on a variety of Java-enabled devices. marketStream(TM) is available and deployed on these devices via premier wireless carriers worldwide.

marketStream(TM) remains the industry's only true streaming, real-time, wireless product which enables users to view financial data and news on their mobile devices in the same manner as they view data on their trading terminals. The addition of Reuters content enhances the robust features of the application.

Other marketStream(TM) features include comprehensive alert capabilities, multiple watch-list support, web-based management tools, charts, extensive end-user configuration options and the ability to access additional device functions while data is streaming.

Mike Steinharter, President, Reuters America, said, "We are delighted that TCS has selected Reuters as the preferred provider of real-time news and information for marketStream(TM). This agreement will give financial services professionals another way to access Reuters news and information."

Gregg Smith, Senior Vice President of TCS' Enterprise Division, said, "Financial professionals are constantly looking for access to the most comprehensive content with their enhanced mobile services that allows them to make the most informed investment decisions. Marrying TCS' marketStream service with Reuters industry-acclaimed market news and information is an essential element to our success. It is key to our strategy of providing clients with the most accurate real-time news and information."

ABOUT TELECOMMUNICATION SYSTEMS, INC.

TeleCommunication Systems, Inc. (TCS) (NASDAQ: TSYS) is a leading provider of mission critical wireless communications to carriers, enterprise and government customers. TCS' wireless data offerings include location-based Enhanced 9-1-1 services, and messaging and location service infrastructure for wireless operators, real- time market data and alerts to financial institutions, mobile asset management and mobile office solutions for enterprises, and encrypted satellite communications to government customers.

TCS' marketStream(TM) service provides real-time, streaming wireless access to equity data, foreign exchange rates, futures, commodities, fixed income prices, and options data from around the world. Totally portable and with global coverage, marketStream utilizes third generation networks such as CDMA, GSM, and iDen to stream market data to any Java-enabled mobile device, on any network. Data scrolls continuously on the screen in real-time with up-to-the-second accuracy with access to real-time quotes for instruments in over 30 different domestic and international markets.

For more information on TCS visit http://www.telecomsys.com. For additional information about marketStream visit http://www.marketstreamlive.com. For answers to specific questions, please send an email to marketstream@telecomsys.com.

This announcement contains forward-looking statements within the meaning of 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 based upon TCS' current expectations and assumptions that are subject to a number of risks and uncertainties that would cause actual results to differ materially from those anticipated.

The actual results realized by the Company could differ materially from the statements made herein, depending in particular upon the risks and uncertainties described in the Company's filings with the Securities and Exchange Commission (SEC). These include without limitation risks and uncertainties relating to the Company's financial results and the ability of the Company to (i) reach and sustain profitability as early as anticipated, (ii) continue to rely on its customers and other third parties to provide additional products and services that create a demand for its products and services, (iii) conduct its business in foreign countries, (iv) adapt and integrate new technologies into its products, (v) expand its business offerings in the new wireless data industry, (vi) develop software without any errors or defects, (vii) protect its intellectual property rights, and (viii) implement its sales and marketing strategy.

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.

marketStream is powered by IST's DeltaStream.

For more information about DeltaStream Mobile please go to the DeltaStream Mobile page. For more details about marketStream see our marketStream Story, the marketStream launch Press Release, Stockgroup's marketStream Product Overview (5.18MB PDF) and Stockgroup's marketStream White Paper (PDF). Alternatively contact IST's Sales Desk (email: sales@ist-inc.com)

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DeltaStream is a registered trademark and IST and the IST logo are trademarks of Imperial Software Technology Limited. TCS is a trademark of Telecommunication Systems Inc. Stockgroup and marketStream are trademarks of Stockgroup Information Systems Inc. Other companies, products and service names mentioned herein are trademarks of their respective owners.