MoSys To Participate At The ROTH Semiconductor Corporate Access Day On September 5, 2012

MoSys, Inc., (NASDAQ: MOSY), a leader in semiconductor solutions that enable fast, intelligent data access for network and communications systems, today announced that Len Perham, Chief Executive Officer, and Jim Sullivan, Chief Financial Officer, will participate at the ROTH Semiconductor Corporate Access Day and will be available to meet with investors on Wednesday, September 5, 2012, at the St. Regis Hotel in San Francisco, CA.

Portfolio managers and analysts who wish to request a meeting with management should contact a ROTH Capital Partners sales representative.

About MoSys, Inc.

MoSys, Inc. (NASDAQ: MOSY) is an IP-rich fabless semiconductor company that provides high performance solutions for fast, intelligent data access in network and communications systems. Engineered and built for high-reliability carrier and enterprise applications, MoSys' products are breaking bandwidth barriers™ in data processing to allow for faster packet access and analysis, expanded user capacity and new capabilities required by the expanding global infrastructure. MoSys' Bandwidth Engine® family of ICs combines the company's patented 1T-SRAM® high-density, embedded memory and high-speed, 10 Gigabits per second serial interface with its intelligent access technology and a highly efficient GigaChip™ Interface transport protocol to eliminate bottlenecks in high-speed data access. MoSys is headquartered in Santa Clara, California, and more information is available at http://www.mosys.com.

MoSys, 1T-SRAM and Bandwidth Engine are registered trademarks of MoSys, Inc. in the US and/or other countries. Breaking Bandwidth Barriers, GigaChip and the MoSys logo are trademarks of MoSys, Inc.

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