TCS Chooses Good Technology for Enterprise Mobile Office Service; TCS Expands Its One-Stop Mobile Office Service with the Addition of Good Technology's Messaging and Corporate Data Access System

Business Wire, July 27, 2005

ANNAPOLIS, Md. -- TeleCommunication Systems, (TCS) (NASDAQ: TSYS), a global leader in mission critical wireless data technology, today announced that it continues to expand its position as a Business Mobile Virtual Network Operator (BMVNO) by providing mobile wireless access to Outlook functionality via Good Technology's GoodLink messaging and corporate data access system.

As a member of Good Technology's Partner Program, TCS provides enterprise clients with solutions that include email, calendar, contacts, notes and tasks via mobile devices based on industry standards-based operating systems including Windows Mobile, Palm and Symbian. In addition, TCS has been certified as a provider of GoodAccess -- Good Technology's platform for rapidly developing and deploying mobile applications that interface with enterprise back end systems.

Good Technology's products are the latest addition to TCS' mobeo(TM) portfolio that provides enterprise customers with a single source for all of their mobile office technology needs.

"Good Technology's industry standards-based platform gives us the flexibility needed to make our mobeo portfolio as robust as possible," stated Gregg Smith, Senior Vice President of TCS' Enterprise Division. "The mobeo approach is about offering our enterprise clients a variety of choices for networks, devices, applications, and services, while streamlining everything associated with the process of implementing mobile office technology solutions."

GoodLink, Good Technology's flagship offering, is an industry standards-based wireless messaging and corporate data access system that provides mobile field forces with a wirelessly synchronized two-way connection to the critical information contained in Microsoft Exchange Servers as well as connections to Customer Relationship Management (CRM), Enterprise Resource Planning (ERP), and Supply Chain Management (SCM) systems.

In addition, GoodLink meets the most stringent security standards with Federal Information Processing Standards (FIPS 140-2) Certification, end-to-end 192-bit Advanced Encryption Standard (AES), Compliance Manager and secure Over-The-Air (OTA) management to protect email, data, and attachments in Microsoft Office, WordPerfect, Hyper Text Markup Language (HTML), Portable Document Format (PDF) and Rich Text Format (RTF) file formats. The GoodLink system also includes non-stop service, a real-time synchronizing server, along with security and application software that supports the palmOne Treo 600 and 650, Windows Mobile(TM)-based Pocket PC and Smartphone devices on a variety of carrier networks. The company continues to experience exponential growth and recently announced that over 6,500 enterprises now use GoodLink to empower their mobile workforces.

"Working with TCS is a logical extension to our GoodLink and GoodAccess distribution," explained Michael Green, Good Technology, Vice President of Strategic and Channel Sales. "We are delighted to have the opportunity to partner with such a highly recognized and reputable leader in enterprise mobile office solutions. Our core objectives are very much in sync; we both deliver comprehensive wireless solutions to our customers, backed by the most reliable, proven, accurate and technically astute service in the industry."

ABOUT GOOD TECHNOLOGY

Good Technology is the leader in industry standards-based enterprise systems for wireless corporate messaging and corporate data access. The company's GoodLink product enables cradle-free, real-time, synchronized access to Microsoft Exchange and other enterprise data systems. The Good System product suite includes the GoodLink software and service that runs on a variety of devices and networks, freeing customers from vendor lock-in, and allowing maximum flexibility. Good Technology is located in Sunnyvale, California. The Good web site can be found at www.Good.com. For more information call 1-866-7-BEGOOD and select the option for sales, e-mail sales@good.com or visit www.good.com.

Good, Good Technology, the Good logo, GoodLink and GoodInfo are trademarks of Good Technology, Inc. All other trademarks are property of their respective holders.

ABOUT TELECOMMUNICATION SYSTEMS, INC.

TeleCommunication Systems, Inc. (TCS) (NASDAQ:TSYS) is a leading provider of mission critical wireless data solutions to carriers, enterprise and government customers. TCS' wireless data offerings include location-based Enhanced 9-1-1 services, 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. For more information visit www.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.