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L3 MAPPS TO UPGRADE CALLAWAY PLANT SIMULATOR WITH ORCHID®

Montréal, February 20, 2009 - L3 MAPPS has received an order from AmerenUE to enhance the Callaway nuclear plant simulator with its Orchid® suite of software tools. In 2008, L-3 successfully replaced the simulator’s reactor core model with a higher fidelity version generated by its Orchid Core Builder software. Work will begin immediately to upgrade the simulator, which is slated to enter service in early 2010.

“AmerenUE has worked closely with L-3 for 10 years, implementing incremental upgrades and addressing software needs,” said Matt Hall, nuclear generation superintendant at the Callaway plant. “With this new order, we are confident that L-3 will assist us in bringing our simulator to best-in-class status.”

“We are pleased that our long relationship with AmerenUE has resulted in a major simulator modernization project,” said Michael Chatlani, vice president, marketing & sales for L3 MAPPS Power Systems and Simulation. “We remain committed to satisfying AmerenUE’s high expectations.”

The upgrade project is intended to improve the simulator’s performance while standardizing the simulation environment and toolset for improved maintainability. The Callaway simulator is currently made up of plant models delivered by the original simulator vendor and models developed with L-3 software tools by L-3 MAPPS and AmerenUE engineers. The legacy models will be replaced with Orchid Modeling Environment-based models, while the high-fidelity models already upgraded to L3 MAPPS’ ROSE® simulation environment, will be upgraded to function in the Orchid Modeling Environment. The legacy models being replaced are largely electrical systems, and control logic for all plant systems, auxiliary process systems, the standby diesel generator and containment systems. In addition, the L3 MAPPS-provided simulator executive, the configuration manager and instructor station will be updated to the Orchid Simulator Executive, Orchid Configuration Manager and Orchid Instructor Station.

AmerenUE, a subsidiary of St. Louis-based Ameren Corporation, is Missouri’s largest electric utility, serving 1.2 million customers in central and eastern Missouri, including the St. Louis area. The Callaway nuclear plant, which produces about 20 percent of AmerenUE’s power, has consistently been an industry leader in both safety and performance. The plant’s average annual net generation of 8.9 billion kilowatt-hours is equal to the amount of electricity used annually by more than 750,000 average households. Ameren Corporation is among the United States’ largest investor-owned electric and gas utilities.

L3 MAPPS, a division of the L-3 Marine & Power Systems group, has over 25 years of experience in pioneering technological advances in the marine automation field and over 35 years of experience in delivering high-fidelity power plant simulation to leading utilities worldwide. In addition, the company has more than three decades of expertise in supplying plant computer systems for Canadian heavy water reactors. L3 MAPPS also provides targeted controls and simulation solutions to the space sector.

To learn more about L3 MAPPS, please visit the company’s Web site at www.L3T.com/MAPPS.

Headquartered in New York City, L-3 Communications employs over 64,000 people worldwide and is a prime contractor in aircraft modernization and maintenance, C3ISR (Command, Control, Communications, Intelligence, Surveillance and Reconnaissance) systems and government services. L-3 is also a leading provider of high technology products, subsystems and systems. The company reported 2008 sales of $14.9 billion.

To learn more about L-3, please visit the company’s Web site at www.L3T.com.


Safe Harbor Statement Under the Private Securities Litigation Reform Act of 1995

Except for historical information contained herein, the matters set forth in this news release are forward-looking statements. Statements that are predictive in nature, that depend upon or refer to events or conditions or that include words such as “expects,” “anticipates,” “intends,” “plans,” “believes,” “estimates,” “will,” “could” and similar expressions are forward-looking statements. The forward-looking statements set forth above involve a number of risks and uncertainties that could cause actual results to differ materially from any such statement, including the risks and uncertainties discussed in the company’s Safe Harbor Compliance Statement for Forward-Looking Statements included in the company’s recent filings, including Forms 10-K and 10-Q, with the Securities and Exchange Commission. The forward-looking statements speak only as of the date made, and the company undertakes no obligation to update these forward-looking statements.

Callaway nuclear plant simulator
Callaway nuclear plant simulator

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