–(BUSINESS WIRE)–Monolithic System Technology, Inc., (“MoSys”)
develops, licenses and markets its patented 1T-SRAM(R) technology as
intellectual property (IP) to designers who want to cost efficiently
embed large memories in their System-on-Chip (SoC) designs. MoSys also
offers its technology in stand-alone memory devices that are shipped
in volume. Licensees that adopt 1T-SRAM technology include tier one
electronics, semiconductor and foundry companies that develop products
for the communications and consumer markets.

   Company:                MoSys, Inc.

   Headquarters Address:   1020 Stewart Drive
                           Sunnyvale, California 94085

   Main Telephone:         408-731-1800

   Website:                www.mosys.com

   Ticker:                 NASDAQ:MOSY

   Type of Organization:   Public

   Industry:               Technology

   Earnings Release Dates: 1st Quarter: April 17, 2003

   Key Executives:         CEO: Fu-Chieh Hsu
                           CFO: Mark Voll
                           Vice President Intellectual Property:
                           Mark-Eric Jones

   Corporate Marketing
     Contact:              K.T. Boyle
     Phone:                408-731-1830
     Email:                kboyle@mosys.com

   Public Relations
     Contact:              Christa Osswald
     Phone:                972-239-5119 x 142
     Email:                cosswald@sheltongroup.com

   Investor Relations
     Contact:              Beverly Twing
     Phone:                972-239-5119 x 126
     Email:                btwing@sheltongroup.com 

    CONTACT: MoSys, Inc.

    SOURCE: MoSys, Inc.