Catalyst Semiconductor Announces Appointment of VP Marketing for Its Analog/Mixed Signal Products.

SUNNYVALE, Calif. -- Catalyst Semiconductor, Inc. (Nasdaq:CATS), today announces the appointment of Scott M. Brown as the company's Vice President of Marketing for Analog/Mixed-Signal Products. Mr. Brown is a veteran of 16 years in the semiconductor industry, most recently as the Director of RF & Mixed-Signal products at Micrel, Inc.

"We are pleased to have Scott join our team. His marketing skills and knowledge of the Analog/Mixed Signal semiconductor market will be a tremendous boost to Catalyst's capabilities," said Gelu Voicu, President and Chief Executive Officer. "This addition to the management team is further evidence of Catalyst's sustained focus on analog and mixed signal products and coincides with revenue for these products crossing the $1,000,000 quarterly sales level for the first time."

Mr. Brown has extensive experience in all elements of semiconductor marketing. He is deeply familiar with the analog and mixed-signal semiconductor markets, having direct experience of voltage references, voltage supervisors, display drivers, temperature sensors, USB power switches, PCMCIA power switches and many power management functions including LDO (low drop-out) linear regulators and switching DC/DC converters. He brings a considerable amount of international experience; in addition to holding various world-wide marketing and management roles, he has lived and worked in Germany and the United Kingdom, as well as the United States.

Mr. Brown received his BSEE from Brunel University in 1989. He started his career as product marketing engineer at National Semiconductor and over the years has expanded his responsibilities to include management of applications functions and IC design in addition to marketing.

About Catalyst Semiconductor

Founded in 1985, Catalyst Semiconductor, Inc. is headquartered in Sunnyvale, California. The Company is a leading supplier of high performance analog/mixed-signal solutions and nonvolatile memory products used in automotive, aircraft, telecommunications, computation, industrial and consumer markets. The Company designs and markets a broad range of analog/mixed-signal products such as LED Drivers, DC-DC Converters, GPI/O Expanders, Digitally Programmable Potentiometers (DPP(TM)), Microcontroller Supervisory circuits and other analog/mixed-signal products. Programmable products include Serial and Parallel EEPROMs with I2C, SPI and Microwire interfaces, as well as NVRAM and low density Flash Memories. Typical applications include LCD displays, digital cameras, cell phones, automotive instrumentation, modems, wireless LANs, network cards, DIMM modules, digital satellite box receivers, set-top boxes and Internet routers. Catalyst's Quality Management System is ISO 9001:2000 certified. For additional information about Catalyst Semiconductor, visit our web site at www.catsemi.com.