Lacroix to Lead Company’s Continued Expansion in New Markets

SUNNYVALE, Calif., Feb. 25 /PRNewswire-FirstCall/ — MoSys, Inc.,
(Nasdaq: MOSY), a leading provider of high-density system-on-chip (SoC) memory
and analog/mixed-signal intellectual property (IP), today announced the
appointment of Didier Lacroix as its Vice President of Worldwide Sales. Mr.
Lacroix brings over 20 years of experience to MoSys spanning a broad range of
high technology market segments, including consumer electronics,
micro-electro-mechanical systems, electronic design automation, and
semiconductor intellectual property. He will oversee the MoSys worldwide
sales organization.

“Didier is a seasoned sales executive with applicable experience in the
semiconductor IP industry,” stated Len Perham, President and CEO of MoSys. “We
are delighted to have Didier join our leadership team and believe he will be
instrumental in our success as we drive the future growth of our business.”

Prior to MoSys, Mr. Lacroix was vice president of worldwide sales of
Chipidea, a company acquired by MIPS. Previously, he was co-founder of
NanoZilla of Los Gatos, a management consulting firm devoted to the adoption
of electronic miniaturization technologies. Earlier, he was CEO of Discera,
and vice-president and general manager of MEMSCAP’s wireless business. He also
held management positions at Synopsys and Cadence Designs Systems.

Mr. Lacroix holds a master of science degree in electrical engineering
from California Institute of Technology (Caltech), and a Diplome d’Ingenieur
from ESIEE (Ecole Superieure d’Ingenieurs en Electronique et
Electrotechnique.)

As an inducement material to Mr. Lacroix’s employment, in accordance with
NASDAQ Stock Market Marketplace Rule 4350(i)(l)(A)(iv), the Company has
granted him a stock option to purchase 262,500 shares of common stock at an
exercise price of $4.33 per share, which equals the closing price of a share
of MoSys common stock on the NASDAQ Global Market on February 21, 2008.

The Company also announced that in accordance with NASDAQ Marketplace Rule
4350(i)(l)(A)(iv), it has and will grant to ninety-four employees options to
purchase a total of 350,000 shares of common stock as inducements material to
such individuals entering into employment with the Company. The individuals
are employed at the Company’s mixed signal design subsidiaries based in
Shanghai, China and Bucharest, Romania that the Company acquired from Atmel
Corporation in 2007. The acquisition of these subsidiaries was recently
formalized by the Company.

About MoSys, Inc.

Founded in 1991, MoSys (NASDAQ: MOSY), develops, licenses and markets
innovative memory and analog/mixed-signal technologies for semiconductors.
MoSys’ patented 1T-SRAM and 1T-FLASH technologies offer a combination of high
density, low power consumption, high speed and low cost unmatched by other
available memory technologies. 1T-SRAM technologies also offer the familiar,
refresh-free interface and high performance for random address access cycles
associated with traditional SRAMs. In addition, these technologies can reduce
operating power consumption by a factor of four compared with traditional SRAM
technology, making them ideal for embedding large memories in System on Chip
(SoC) designs. MoSys’ licensees have shipped more than 135 million chips
incorporating 1T-SRAM embedded memory technologies, demonstrating excellent
manufacturability in a wide range of silicon processes and applications.
MoSys’ analog/mixed-signal products feature a number of industry firsts,
including the first DVD front end IP to support both Blu-ray and HD DVD
formats. Using MoSys IP, system vendors can achieve best-in-class
price/performance in markets such as home entertainment and graphics
applications; mobile consumer devices; and networking and storage equipment.
MoSys is headquartered at 755 N. Mathilda Avenue, Sunnyvale, California 94085.
More information is available on MoSys’ website at https://dev-mosys-web-04-19.pantheonsite.io.

1T-SRAM(R), 1T-FLASH(TM), and GigaCell(TM) are registered trademarks of
MoSys, Inc.

James Sullivan, CFO

MoSys, Inc.

+1 (408) 731-1800

Email: jsullivan@mosys.com

Beverly Twing, Acct. Manager

Shelton IR
+1 (972) 239-5119 x126
Email: btwing@sheltongroup.com

SOURCE MoSys, Inc.

/Web site: https://dev-mosys-web-04-19.pantheonsite.io