Mercury Computer Systems Receives Prestigious Northrop Grumman Award.

CHELMSFORD, Mass.--(BUSINESS WIRE)--Sept. 30, 1999--

Mercury Selected for Leadership in Business and Technology on

Next-Generation Avionics and Space-Based Electronic Subsystems

Mercury Computer Systems, Inc. (NASDAQ: MRCY), a leading supplier of real-time digital signal and image processing systems, today announced it has received the Supplier of the Year Award from Northrop Grumman's Electronic Sensors and Systems Sector (ESSS). Mercury was chosen based on its leadership in business and technology.

Northrop Grumman's Electronic Sensors and Systems Sector (ESSS) has used Mercury's RACE(R) systems for several programs. They include, among others, the Tactical Endurance Synthetic Aperture Radar (TESAR) system, a lightweight, low-cost surveillance radar that works with an associated ground station to produce photographic quality radar imagery with one-foot resolution; and the Space-Time Adaptive Processing (STAP) system, a 978-processor system, that improves the detection of difficult or concealed targets in real time.

"We are honored to be given Northrop Grumman's ESSS Supplier of the Year Award," said Jay Bertelli, president and CEO, Mercury Computer Systems, Inc. "By staying on the leading edge of commercial off-the-shelf technology, Mercury has been able to meet the requirements of some of the most advanced and demanding military systems."

"Mercury Computer Systems is a valuable member of ESSS' Airborne Surveillance team," said Bill Adams, vice president, Airborne Surveillance Systems. "Their technical expertise and state- of-the-art products are unsurpassed providing our airborne surveillance customers that additional warfighting edge."

About Northrop Grumman

Northrop Grumman Corporation, headquartered in Los Angeles, is a leading designer, systems integrator and manufacturer of military surveillance and combat aircraft, defense electronics and systems, airspace management systems, information systems, marine systems, precision weapons, space systems and commercial and military aerostructures.

About Mercury

Mercury Computer Systems, Inc., (NASDAQ: MRCY) is the leading independent producer of high-performance digital signal and image processing computer systems that transform sensor data to information for analysis and interpretation on a real-time basis. Mercury's products play a critical role in a wide range of defense and medical imaging applications. In air-, sea-, and land-based military platforms, these systems process real-time radar, sonar, and signal intelligence data. Mercury's systems are also used in state-of-the-art medical diagnostic devices, including magnetic resonance imaging (MRI), computed tomography (CT), and the rapidly growing field of digital X-ray.

Mercury has also developed a range of shared storage software products that allow multiple systems and servers to share files and data using Fibre Channel at data rates up to and exceeding 100 MB/sec. These products are marketed for use in the broadcast, entertainment, and digital prepress industries, and for a variety of enterprise computing applications.

Based in Chelmsford, Massachusetts, Mercury serves customers in North America, Europe and Asia through a network of subsidiaries and distributors.