Herndon, VA—January 22, 2007—Objective Interface Systems, Inc. today announced that General Dynamics C4 Systems selected ORBexpress® communications middleware as the sole Object Request Broker (ORB) for the Joint Tactical Radio System (JTRS) Handheld, Manpack, Small Form Fit (HMS) Cluster. The JTRS HMS radios include fourteen small, light-weight “form factors” that will enable warfighters to be more agile and covert than current radios allow. Each JTRS HMS radio features an advanced core receiver the size of a credit card, which supports the primary radio functions for each form factor. The JTRS HMS radio product lines allow individual warfighters to have networked communications capability, enabling coordinated joint force and coalition operations.

As prime contractor, General Dynamics is integrating the hardware and software operating environment of the JTRS HMS radios. The JTRS HMS radios are based on the Software Communications Architecture (SCA), developed by the U.S. Department of Defense. A key component of the SCA is the use of Common Object Request Broker Architecture (CORBA). Objective Interface's ORBexpress RT is a real-time CORBA ORB that enables software developers to simplify the development of distributed software applications, build scalable, efficient and robust applications, and reduce overall development time.

“As a small-footprint product, ORBexpress optimizes the use of scarce resources, which is important for small, light-weight, low-power radios. As real-time communications middleware, ORBexpress provides the predictability of behavior and reliability required for SDR platforms,” said Bill Beckwith, CEO/CTO of Objective Interface Systems. “We are proud to support General Dynamics' efforts in developing small, power-efficient radios that enable joint force operations to communicate more seamlessly with each other.”

About the JTRS HMS Radio Sets

In July 2004, the U.S. Army awarded a contract to General Dynamics for the system development and demonstration (SDD) phase of the JTRS program. The contract was valued at $295 million with the total contract award for the SDD phase and LRIP expected to be approximately $1.4 billion. The first HMS radios were delivered for early testing and integration in October 2006. They will be integrated into the Future Combat Systems (FCS) intelligent munitions systems and unattended ground sensors as well as the Ground Soldier System.

About ORBexpress RT from Objective Interface

ORBexpress RT is the industry's most widely deployed ORB for SDR. SCA-based software defined radios (SDRs), such as the General Dynamics JTRS HMS radio sets, are systems that utilize CORBA for the design and deployment of their radio application.

Thousands of customers worldwide have used the ORBexpress communications infrastructure to build more flexible, upgradeable and capable products. Available in C++, Ada and Java, ORBexpress has been recognized as the fastest ORB in the industry in an independent study conducted by Boeing's Phantomworks Group. For more information on ORBexpress and the Objective Interface portfolio of communications middleware, please visit: www.ois.com/products, call 1 800-800-OIS7 in the U.S., +33 (0) 6 68 35 15 45 in Europe or +81 (0)3-5623-2112 in Japan or e-mail inquiries to: info@ois.com.

About Objective Interface Systems

Objective Interface is the worldwide leader of high-performance, real-time and embedded communications middleware solutions. The company provides CORBA ORBs, publish-subscribe technology based on the Object Management Group (OMG) Data Distribution Service standard (DDS), and secure communications middleware development tools based on the Multiple Independent Levels of Security/Safety (MILS) architecture to meet the high-performance requirements of Military and aerospace, telecommunications, data communications, industrial automation and process control, transportation and consumer electronics markets. Objective Interface products are the communications core of many mission-critical products and systems including mission-critical avionics systems, network management, vehicle control and management systems, software defined radio, telecommunication systems, process control systems and nuclear fusion ignition facilities. Objective Interface customers consist of the world's most advanced product and engineering organizations including the U.S. Department of Defense, The Boeing Company, BAE Systems, CERN, Daimler-Benz, EADS, Ericsson, Eurocontrol Experimental Centre, General Dynamics, Harris Corporation, Hughes Network Systems, ITT, Kawasaki Heavy Industries, Honeywell, Kongsberg Defense & Aerospace, Lawrence Livermore, Lyrtech, National Labs, Lockheed Martin, Lyrtech, Nikon, Northrop Grumman Corporation, Philips, Raytheon, Rockwell Collins, Saab Technical Systems, Samsung, Sandia, Selex Communications, Telefunken, Thales Communications, TRW, ViaSat and many others. For more information, please visit: www.ois.com.

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ORBexpress is a registered trademark of Objective Interface Systems. All other product and company names are trademarks or registered trademarks of their respective holders.

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