Mercury Systems Awarded Fourth Superior Security Rating by U.S. Defense Security Service

Mercury Systems Awarded Fourth Superior Security Rating by U.S. Defense
Security Service

Company's Hudson, NH Facility Ranks Among Top 8% of All Facilities Reviewed

CHELMSFORD, Mass., August 13, 2013 (GLOBE NEWSWIRE) -- Mercury Systems, Inc.
(Nasdaq:MRCY)(, a best-of-breed provider of commercially
developed, open sensor and Big Data processing systems for critical
commercial, defense and intelligence applications, announced that its Mercury
Commercial Electronics facility in Hudson, N.H., received a Superior security
rating in a recent vulnerability assessment conducted by the Defense Security
Service (DSS). This Superior rating, the highest level awarded to cleared
defense contractors by DSS, represents a two-level improvement from the
facility's previous rating, and follows on the heels of Superior ratings
already received at Mercury's headquarters facility in Chelmsford, Mass., its
Mercury Commercial Electronics facilities in Salem, N. H. and West Caldwell,
N. J., as well as a recent Commendable rating received by its Mercury
Commercial Electronics facility in Manteca, Calif.

"The rating from DSS underscores our teams' dedication and commitment to
safeguarding sensitive information and signifies the high level of trust the
U.S. government places with Mercury," said Anthony Sweeney, General Manager of
Mercury's RF and Microwave Components group. "At Mercury, we believe that
securing and protecting information crucial to those serving our Nation is a
tremendous responsibility, and we're proud to receive this recognition."

A Superior rating is awarded to contractors that consistently and fully
implement the requirements of the National Industrial Security Program
Operating Manual in an effective fashion, resulting in a security posture that
is superior to other contractors of similar size and complexity. The facility
must have documented procedures that heighten the security awareness of
employees and foster a spirit of cooperation within the security community.
Currently, less than 8% of the approximately 13,000 facilities that the DSS
oversees receive a Superior rating.

For more information on Mercury Systems, visit or contact Mercury
at (866) 627-6951 or

Mercury Systems – Innovation That Matters^™

Mercury Systems (Nasdaq:MRCY) is a best-of-breed provider of commercially
developed, open sensor and Big Data processing systems, software and services
for critical commercial, defense and intelligence applications. We deliver
innovative solutions, rapid time-to-value and world-class service and support
to our prime contractor customers. Mercury Systems has worked on over 300
programs, including Aegis, Patriot, SEWIP, Gorgon Stare and Predator/Reaper.
We are based in Chelmsford, Massachusetts. To learn more, visit

Forward-Looking Safe Harbor Statement

This press release contains certain forward-looking statements, as that term
is defined in the Private Securities Litigation Reform Act of 1995, including
those relating to the products and services described herein. You can identify
these statements by the use of the words "may," "will," "could," "should,"
"would," "plans," "expects," "anticipates," "continue," "estimate," "project,"
"intend," "likely," "forecast," "probable," and similar expressions. These
forward-looking statements involve risks and uncertainties that could cause
actual results to differ materially from those projected or anticipated. Such
risks and uncertainties include, but are not limited to, continued funding of
defense programs, the timing of such funding, general economic and business
conditions, including unforeseen weakness in the Company's markets, effects of
continued geopolitical unrest and regional conflicts, competition, changes in
technology and methods of marketing, delays in completing engineering and
manufacturing programs, changes in customer order patterns, changes in product
mix, continued success in technological advances and delivering technological
innovations, changes in the U.S. Government's interpretation of federal
procurement rules and regulations, market acceptance of the Company's
products, shortages in components, production delays due to performance
quality issues with outsourced components, inability to fully realize the
expected benefits from acquisitions and restructurings or delays in realizing
such benefits, challenges in integrating acquired businesses and achieving
anticipated synergies, changes to export regulations, increases in tax rates,
changes to generally accepted accounting principles, difficulties in retaining
key employees and customers, unanticipated costs under fixed-price service and
system integration engagements, and various other factors beyond our control.
These risks and uncertainties also include such additional risk factors as are
discussed in the Company's filings with the U.S. Securities and Exchange
Commission, including its Annual Report on Form 10-K for the fiscal year ended
June 30, 2012. The Company cautions readers not to place undue reliance upon
any such forward-looking statements, which speak only as of the date made. The
Company undertakes no obligation to update any forward-looking statement to
reflect events or circumstances after the date on which such statement is

Mercury Systems and Innovation That Matters are trademarks of Mercury Systems,
Inc. Other product and company names mentioned may be trademarks and/or
registered trademarks of their respective holders.

CONTACT: Robert McGrail, Director of Corporate Communications
         Mercury Systems
         +1 978-967-1366 /

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