Media Releases


Montréal, January 29, 2008 - L3 MAPPS, a subsidiary of L-3 Communications, announced today that it has been awarded a contract from AREVA to upgrade three simulators with the incorporation of CATHARE, an advanced thermal-hydraulic calculation code used to study the behavior of pressurized water reactors in accident situations.

L-3 will integrate CATHARE on AREVA's engineering simulators - known as Simulateurs d'Analyse du Fonctionnement (SAF) - located at the AREVA Tower in Paris La Défense (France), which are used to perform plant engineering and emergency response training, operating procedures analysis and improvement, system design modifications, and preliminary safety analysis. The three simulators represent the CP2 (900 MWe, 3-loop), DPY (1,300 MWe, 4-loop) and N4 (1,450 MWe, 4-loop) French-designed nuclear power plants. Through a previous collaboration with AREVA, both the CP2 and the DPY simulators operate on L-3's PC/Windows-based simulation environment. The N4 simulator will be rehosted by L-3 and available in L-3's simulation environment through the current project. In addition, L-3 will replace the N4 simulator's conventional island and electrical systems models with higher fidelity models.

"This is a great opportunity for L3 MAPPS," said Michael Chatlani, vice president, marketing & sales, L3 MAPPS Power Systems and Simulation. "In addition to working with AREVA in a collaborative environment, this project will provide L3 MAPPS with invaluable experience in deploying our first real-time implementation of CATHARE."

CATHARE is a thermal-hydraulic computer engineering code for nuclear power plant safety analysis. The software is the effort of some three decades of cooperation between engineers of the Commissariat à l'Energie Atomique (CEA), French electricity group EDF, AREVA, and the IRSN. The version of the code being adapted for the simulators is CATHARE 2 version 2.5_1.

AREVA, a world leader in nuclear power and the only company to cover all industrial activities in this field, has manufacturing facilities in 41 countries and a sales network in more than 100. AREVA offers technological solutions for CO2-free power generation and electricity transmission and distribution.

L3 MAPPS has over 20 years of experience in pioneering technological advances in the marine automation field and over 30 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

Headquartered in New York City, L-3 Communications employs over 63,000 people worldwide and is a prime system 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, systems and subsystems. The company reported 2006 sales of $12.5 billion.

To learn more about L-3 Communications, please visit the company’s web site at

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.



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