Sunnyvale, CA (July 9, 2001) – Monolithic System Technology, Inc. (“MoSys”) announced today that underwriters of its initial public offering have exercised their option to purchase an additional 750,000 shares to cover over-allotments in connection with the Company”s initial public offering.
MoSys made an initial public offering of 5,000,000 shares of its Common Stock at a price of $10.00 per share on June 28, 2001. Including the exercise of the over-allotment option, MoSys will receive approximately $51,975,000 in net proceeds from the initial public offering.

An underwriting group including A.G. Edwards & Sons, Inc. and Needham & Company, Inc is managing the offering. The Company’s common stock is trading on the NASDAQ under the ticker symbol “MOSY”.

Copies of the final prospectus relating to these securities may be obtained from: A.G. Edwards & Sons, Inc., One North Jefferson, St. Louis, Missouri 63103, (314) 955-3000; or Needham & Company, Inc., 3000 Sand Hill Road, Building 2, Suite 190, Menlo Park, California 94025, (650) 854-9111.

About MoSys:

MoSys designs, develops, licenses and markets memory technologies used by the semiconductor industry and electronic product manufacturers.
MoSys has developed a patented semiconductor memory technology, called 1T-SRAM, that offers a combination of high density, low power consumption, high speed and low cost that other available memory technologies do not match. Monolithic System Technology, Inc. is headquartered at 1020 Stewart Drive, Sunnyvale, California 94085, Phone: (408) 731-1800.


Note for Editors:

1T-SRAM is Registered in the U.S.
Patent and Trademark Office.