MoSys to Announce Fourth Quarter and 2011 Financial Results on February 7, 2012

MoSys, Inc. (NASDAQ: MOSY), a provider of serial chip-to-chip communications solutions that deliver unparalleled bandwidth performance for next generation networking systems and advanced system-on-chip (SoC) designs, today announced it will release its fourth quarter and full year 2011 financial results on Tuesday, February 7, 2012 after the market close. Following the press release, Len Perham, MoSys’ President and Chief Executive Officer, and Jim Sullivan, Chief Financial Officer, will host a live audio webcast and conference call at 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time).

Fourth Quarter and 2011 Conference Call and Webcast Information:

Date: Tuesday, February 7, 2012
Time: 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time)
Conference Call Number: 1-800-599-9816
International Call Number: 1-617-847-8705
Pass Code: 24242598

The conference call replay will be available for 2 business days, beginning two hours after the call. The replay dial-in number is 1-888-286-8010, and the pass code is 41459235. 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.

About MoSys, Inc.

MoSys, Inc. (NASDAQ: MOSY) is a provider of high-performance networking memory solutions and high-speed, multi-protocol serial interface intellectual property (SerDes IP). MoSys' leading edge Bandwidth Engine® ICs combine the company's patented 1T-SRAM® high-density memory with its SerDes IP and are initially targeted at providing breakthroughs in bandwidth and access performance in next generation networking systems. MoSys' SerDes IP and DDR3 PHYs support a wide range of data rates across a variety of standards, while its 1T-SRAM memory cores provide a combination of high-density, low-power consumption, high-speed and low cost advantages for high-performance applications. MoSys is headquartered in Santa Clara, California. More information is available on MoSys' website at www.mosys.com.

MoSys, 1T-SRAM and Bandwidth Engine are registered trademarks of MoSys, Inc. in the US and/or other countries. The MoSys logo is a trademark of MoSys, Inc.