October 28, 2008

Mercury Computer Systems Elects Russell K. Johnsen As Chairman of Its Board of Directors

CHELMSFORD, Mass., Oct. 28 /PRNewswire-FirstCall/ -- Mercury Computer Systems, Inc. , a leading provider of embedded, high-performance computing solutions for image, sensor, and signal processing applications, announced the election of Russell K. Johnsen as Chairman of the Company's Board of Directors, effective upon the previously announced retirement of James "Jay" R. Bertelli as Non-Executive Chairman at the Special Meeting in Lieu of the Annual Meeting of Shareholders on November 17, 2008. Mr. Johnsen has served on Mercury's Board since 2001 and will succeed Mr. Bertelli, who served as its Chairman from 2002 to November 2007, and its Executive Chairman from November 2007 to July 2008, and is currently its Non-Executive Chairman.

As a senior executive retired from the semiconductor industry, Mr. Johnsen provides consulting on technology strategy to high-tech companies. Previously, Mr. Johnsen was the Chairman and Chief Executive Officer of Sirific Wireless Limited, a provider of integrated circuits for the telecommunications market, from 2007 until its acquisition by Icera in 2008. Prior to that, he co-founded and served as CEO of the Occtane Group, a private company which developed and operated a proprietary network of interactive display terminals from 2005 to 2007. From 2003 through 2007, Mr. Johnsen was also President of Delumina, Inc., a technology investment and strategy consulting firm. From 1993 through 2002, Mr. Johnsen was with Analog Devices, Inc., a supplier of high performance analog, mixed signal, and digital signal processing integrated circuits, where he held positions as the Vice President of Corporate Business Development and Vice President and General Manager of the Communications Products Division. Prior to that, he served in various senior management capacities at National Semiconductor Corporation.

"As a long-time member of Mercury's Board of Directors, Russell will bring critical first-hand knowledge to the role of Chairman. In addition, his tenure in the high-tech industry and focus on technology strategy clearly align with our business focus going forward," said Mark Aslett, President and CEO of Mercury Computer Systems. "On behalf of Mercury's Board of Directors and shareholders, I thank Jay Bertelli for his many years of contributions and support."

Mercury Computer Systems, Inc. - Where Challenges Drive Innovation(TM)

Mercury Computer Systems (http://www.mc.com/, NASDAQ: MRCY) provides embedded computing systems and software that combine image, signal, and sensor processing with information management for data-intensive applications. With deep expertise in optimizing algorithms and software and in leveraging industry-standard technologies, we work closely with customers to architect comprehensive, purpose-built solutions that capture, process, and present data for defense electronics, homeland security, and other computationally challenging commercial markets. Our dedication to performance excellence and collaborative innovation continues a 25-year history in enabling customers to gain the competitive advantage they need to stay at the forefront of the markets they serve.

Mercury is based in Chelmsford, Massachusetts, and serves customers worldwide through a broad network of direct sales offices, subsidiaries, and distributors.

   Contact:   Robert Hult, Chief Financial Officer   Mercury Computer Systems, Inc.   978-967-1990 / [email protected]    

Challenges Drive Innovation is a trademark of Mercury Computer Systems, Inc. Other product and company names mentioned may be trademarks and/or registered trademarks of their respective holders.

Photo: NewsCom: http://www.newscom.com/cgi-bin/prnh/20081013/NEM013LOGOAP Archive: http://photoarchive.ap.org/PRN Photo Desk, [email protected]

Mercury Computer Systems, Inc.

CONTACT: Robert Hult, Chief Financial Officer of Mercury ComputerSystems, Inc., +1-978-967-1990, [email protected]

Web site: http://www.mc.com/