MoSys, Inc. Expands to New Corporate Headquarters

SANTA CLARA, Calif.-- August 30, 2010 -- MoSys, Inc. (NASDAQ: MOSY), a leading 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 the relocation of its corporate headquarters in Silicon Valley to Santa Clara, California.

The 47,000 square foot facility is home to MoSys’ executive team, product management, engineering and business operations and administrative functions, and allows the company space for future growth. The new larger facility includes a significantly larger lab and test floor for research and development, product verification and testing to support the Company’s IP business and its Bandwidth Engine™ integrated circuit (IC) product family. In addition to its corporate headquarters, MoSys has design centers in Hyderabad, India and Ames, Iowa.

“Due to growth in our IP business and our transition to become a fabless IC company, we had outgrown our previous space,” said Len Perham, MoSys’ President and CEO. “The new facility will allow for future growth, and is better suited to support the engineering and future product fulfillment requirements of our Bandwidth Engine product line.”

MoSys recently announced the tape-out of its first Bandwidth Engine IC. Additional information about the Bandwidth Engine family of ICs is available at http://www.mosys.com.

MoSys’ new corporate contact information is:

http://www.mosys.com

About MoSys, Inc.

MoSys, Inc. (NASDAQ: MOSY) is a leading 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. MoSys’ Bandwidth Engine™ family of ICs combines the company’s patented 1T-SRAM® high-density memory technology with its high-speed 10 Gigabits per second (Gbps) SerDes interface (I/O) technology. A key element of Bandwidth Engine technology is the GigaChip™ Interface, an open, CEI-11 compatible interface developed to enable highly efficient serial chip-to-chip communications. MoSys' IP portfolio includes SerDes IP and DDR3 PHYs that support data rates from 1 - 11 Gbps across a variety of standards. In addition, MoSys offers its flagship, patented 1T-SRAM and 1T-Flash® memory cores, which provide a combination of high-density, low power consumption, high-speed and low cost advantages for high-performance networking, computing, storage and consumer/graphics applications. MoSys IP is production-proven and has shipped in more than 325 million devices. MoSys is headquartered in Sunnyvale, California. More information is available on MoSys' website at http://www.mosys.com.