Mercury Computer Systems to Hold its Tenth Annual Investor Conference on November 10, 2009

CHELMSFORD, Mass., — Mercury Computer Systems, Inc. (NASDAQ: MRCY), a leading provider of embedded, high-performance computing systems and software for image, sensor, and signal processing applications, announced today that it will host its tenth annual investor conference on Tuesday, November 10, 2009, at 9:00 am EST, at the Intercontinental The Barclay New York Hotel, New York City. Members of Mercury’s management team will present an overview of the Company’s business, including presentations on the Company’s Advanced Computing Solutions division and Mercury Federal Systems subsidiary.

In addition, John J. Young, former Under Secretary of Defense for Acquisition, Technology and Logistics will share insights and experiences he gained while overseeing the Defense Department’s multi-billion-dollar acquisition programs, including reforms in the government procurement process.

The event will be webcast live via the Company’s website beginning at 9:00 am EST. To listen to a real-time broadcast of the meeting, visit www.mc.com/investor under “Financial Events.” A replay of the webcast will be archived for one month on the Company’s website under “Financial Events.”

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

Mercury Computer Systems (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, semiconductor equipment manufacturing, commercial computing, homeland security, and other computationally challenging 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. – Mercury Computer Systems, Inc.