Len Perham, President and CEO, Discusses Company Updates

SUNNYVALE, Calif., Jan 18, 2008 (BUSINESS WIRE) — MoSys, Inc., (NASDAQ:MOSY), a leading provider of high-density
system-on-chip (SoC) memory and analog/mixed-signal intellectual
property (IP), today announced that it will conduct a live audio
webcast and conference call on January 22, 2008, at 5:00 p.m. Eastern
Time. Len Perham, MoSys’ President and Chief Executive Officer, will
discuss general corporate updates.

Webcast/Conference Call Access Information:

To access the call, please dial 1-888-713-4215 and enter the pass
code 86076101 at least 10 minutes prior to the start of the call.

Date: Tuesday, January 22, 2008

Time: 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time)

Conference Call Number: 1-888-713-4215

International Callers: 1-617-213-4867

Pass Code: 86076101

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 59714039. International callers should dial
617-801-6888 and enter the same pass code at the prompt.

In addition, the webcast replay will be available in the investor
relations section of the Company’s Web site at https://dev-mosys-web-04-19.pantheonsite.io.

One may also pre-register their attendance for the conference
call, which will enable immediate entry into the call on January 22,
2008. To pre-register please go to:
https://www.theconferencingservice.com/prereg/
key.process?key=PU43GF393. (Due to its length, this URL may need to be
copied/pasted into your Internet browser’s address field.)

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 (BD) 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.

SOURCE: MoSys, Inc.

MoSys, Inc.
Len Perham, CEO, +1 408-731-1800
lperham@mosys.com
or
Shelton IR
Beverly Twing, Acct. Manager, +1 972-239-5119 x126
btwing@sheltongroup.com