SUNNYVALE, Calif.–(BUSINESS WIRE)–Oct. 13, 2009–
MoSys, Inc., (NASDAQ: MOSY), a leading provider of high-density memory
and high-speed interconnect intellectual property (IP) for the consumer,
communications, networking, storage and high-performance computing
markets, today announced it will host a conference call on Tuesday,
October 27, 2009
at 1:30 p.m. Pacific Time (4:30 p.m. Eastern Time) to
discuss its third quarter 2009 financial results. The Company also
announced that Len Perham, President and Chief Executive Officer, and Jim Sullivan, Chief Financial Officer, will present at the TechAmerica
AeA Classic Financial Conference
on Tuesday, November 3, 2009.

Third Quarter 2009 Conference Call /
Webcast Information

Following the announcement of the Company’s third quarter 2009 financial
results after the market close on October 27, 2009, Len Perham, MoSys’
President and Chief Executive Officer, and Jim Sullivan, Chief Financial
Officer, will host a live conference call and webcast. Analysts and
investors are invited to dial into the conference call using the
following information:

Date: Tuesday, October 27, 2009

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

Conference Call Number: 1-866-314-4865

International Call Number: 1-617-213-8050

Pass Code: 53432374

The conference call replay will be available for 48 hours, beginning two
hours after the call. The replay dial-in number is 1-888-286-8010, and
the pass code is 46570840. International callers should dial
1-617-801-6888 and enter the same pass code at the prompt. Additionally,
this conference call will be broadcast live over the Internet and can be
accessed by all interested parties on the Investor Relations section of
the Company’s website at http://www.mosys.com.

TechAmerica AeA Classic Financial
Conference

Len Perham, President and Chief Executive Officer, and Jim Sullivan,
Chief Financial Officer, will present at TechAmerica’s AeA Classic
Financial Conference
at the Marriott San Diego Hotel in San Diego, CA.
Mr. Perham and Mr. Sullivan will conduct eleven 30-minute presentations
in a private meeting room on Tuesday, November 3, 2009, starting at 8:30
a.m.

Presentation room assignments will be available approximately two weeks
in advance of the conference and may be obtained by contacting Colette
Gonsalves
at colette.gonsalves@techamerica.org
or by accessing TechAmerica’s website at www.techamerica.org/classic.

About MoSys, Inc.

Founded in 1991, MoSys (NASDAQ: MOSY), develops, markets and licenses
differentiated embedded memory and high speed parallel and serial
interface IP for advanced SoC designs. MoSys’ patented 1T-SRAM and
1T-FLASH memory technologies offer a combination of high density, low
power consumption, high speed and low cost advantages that are unmatched
by other available memory technologies for a variety of home
entertainment, mobile consumer, networking and storage applications.
MoSys’ silicon-proven interface IP portfolio includes DDR3/2 Combo PHYs,
as well as SerDes IP that support data rates from 1 Gigabit per second
(Gbps) to 10 Gbps, across a wide range of standards, including
PCI-Express, XAUI, SATA, USB and 10G KR. MoSys is headquartered at 755
N. Mathilda Avenue
, Sunnyvale, California 94085. More information is
available on MoSys’ website at http://www.mosys.com.

MoSys and 1T-SRAM are registered trademarks of MoSys, Inc. 1T-FLASH ™
is a trademark of MoSys, Inc.

Source: MoSys, Inc.

MoSys, Inc.
Jim Sullivan, CFO, +1 408-731-1800
jsullivan@mosys.com
or
Shelton
Group – Investor Relations
Beverly Twing, +1 972-239-5119
Sr.
Acct. Manager
btwing@sheltongroup.com