Rambus Names Eric Ries Vice President and Managing Director of Japan Office

LOS ALTOS, Calif.--(BUSINESS WIRE)--July 14, 2005--Rambus Inc. (Nasdaq:RMBS), one of the world's premier technology licensing companies specializing in high-speed chip interfaces, today announced that Eric Ries has been named Vice President and Managing Director of its Japan office. In this position, Mr. Ries will report to Sharon Holt, Rambus's Senior Vice President of Worldwide Sales and Marketing. Mr. Ries is responsible for the overall management and direction of Rambus's strategic customer and partnership relationships in Japan.

Mr. Ries comes to Rambus from Cypress Semiconductor, where he has spent the past four years, most recently as the Japan Distribution Sales Manager. Prior to Cypress, Eric was Regional Sales Manager for In-System Design, an ASIC design company that was acquired by Cypress in 2001. At In-System Design, Mr. Ries was responsible for sales and business development in Japan, the U.S. and Europe.

"Eric brings a wealth of experience in the Japanese market as well as the semiconductor industry that will prove valuable for us to maintain our solid position in the region," said Sharon Holt, senior vice president of worldwide sales and marketing at Rambus. "There continues to be good prospects for our technology solutions in Japan and we look forward to Eric's help and experience to expand our customer base and look for additional opportunities for revenue growth in the region."

Mr. Ries holds a BA from Brigham Young University and currently lives in Tokyo with his family.

About Rambus Inc.

Rambus is one of the world's premier technology licensing companies specializing in the invention and design of high-speed chip interfaces. Since its founding in 1990, the company's innovations, breakthrough technologies and integration expertise have helped industry-leading chip and system companies solve their most challenging and complex I/O problems and bring their products to market. Rambus's interface solutions can be found in numerous computing, consumer, and communications products and applications. Rambus is headquartered in Los Altos, Calif., with regional offices in Chapel Hill, North Carolina; Bangalore, India; Taipei, Taiwan; and Tokyo, Japan. Additional information is available at www.rambus.com.