Catalyst Semiconductor to Present at 10th Annual Needham Growth Stock Conference on January 10, 2008, New York City.

SANTA CLARA, Calif. -- Catalyst Semiconductor, Inc. (NASDAQ:CATS) a supplier of analog, mixed-signal and non-volatile memory semiconductors, today announced that Gelu Voicu, chief executive officer and David Eichler, chief financial officer and vice president of finance and administration for Catalyst, will speak at the Needham & Company, LLC Tenth Annual Growth Stock Conference on Thursday, January 10, 2008 at 9:30 a.m. (Eastern). The event will be hosted at the New York Palace Hotel January 8-11, 2008.

The presentation will consist of an overview of the company's business, followed by a Q&A session. Interested parties may access the presentation slides on the Catalyst Semiconductor website for 30 days after the event at: www.catsemi.com.

Conference Details: http://www.needhamco.com/Content/News/ngc2008savethedate.pdf.

About Catalyst Semiconductor

Headquartered in Santa Clara, California, Catalyst Semiconductor designs and markets analog, mixed-signal and non-volatile memory products, including Digitally Programmable Potentiometers (DPP[TM]), white and color LED drivers, DC/DC converters, LDO regulators, voltage supervisors, bus expanders, serial and parallel EEPROMs, Flash and NVRAM. Many of Catalyst's products incorporate the Company's Quantum Charge Programmable[TM] technology, to deliver Adaptive Analog[TM] products, which offer a new level of customer flexibility, lower power and smaller die size. Catalyst products are used in telecommunications, computer, automotive, industrial and consumer markets. Typical applications include LCD displays, automotive lighting, optical networks, printers, modems, wireless LANs, network cards, DIMM modules, cellular telephones, navigation systems, set-top boxes and Internet routers. www.catsemi.com.

Editor Notes:

1) Trademark notices: Adaptive Analog[TM], Quantum Charge Programmable[TM] and DDP[TM] are trademarks of Catalyst Semiconductor, Inc.