SUNNYVALE, Calif.–(BUSINESS WIRE)–July 23, 2007–MoSys, Inc.,
(NASDAQ: MOSY), the industry’s leading provider of high-density
system-on-chip (SoC) embedded memory intellectual property (IP)
solutions, today announced it would release its second quarter 2007
financial results for the period ending June 30, 2007 on Tuesday, July
31, 2007, after the market closes. Following the release, the Company
will host a live audio Web cast and conference call at 4:30 p.m.
Eastern Time (1:30 p.m. Pacific Time).

Second Quarter Web Cast/Conference Call

To access the call, please dial 866-203-3206 and enter the pass
code 69285920 at least 10 minutes prior to the start of the call.

Date: Tuesday, July 31, 2007

Time: 4:30 p.m. Eastern Time (1:30 p.m. Pacific Time)

Conference Call Number: 866-203-3206

International Callers: 617-213-8848

Pass Code: 69285920

The conference call replay will be available for 48 hours
beginning two hours after the call. The replay number is 888-286-8010
with a pass code of 58674627 international callers should dial
617-801-6888 and enter the same pass code at the prompt.

In addition, the live audio conference call and replay will be
available on the investor relations section of the company’s Web site

About MoSys, Inc.

Founded in 1991, MoSys (Nasdaq:MOSY), develops, licenses and
markets industry-leading embedded memory IP for semiconductors. MoSys’
patented 1T-SRAM(R) and 1T-FLASH(TM) technologies offer a combination
of high density, low power consumption, high speed and low cost that
is unmatched by other memory technologies. MoSys licensees have
shipped more than 110 million chips incorporating 1T-SRAM,
demonstrating excellent manufacturability in a wide range of silicon
processes and applications. MoSys is headquartered at 755 N. Mathilda
Avenue, Sunnyvale, California 94085. More information is available at 1T-SRAM is a registered trademark and 1T-FLASH
is a trademark of MoSys, Inc.

MoSys, Inc.
Jim Pekarsky, CFO, 408-731-1800
Shelton IR
Beverly Twing, Acct. Manager, 972-239-5119 x126

SOURCE: MoSys, Inc.