Thomas R. Lavelle Joins Rambus as General Counsel

Brings nearly 30 years of legal and compliance experience

Los Altos, California, United States  - Novemberr 10, 2006 -- Rambus Inc. (Nasdaq:RMBS), one of the world's premier technology licensing companies specializing in high-speed chip interfaces, today announced that it has hired Thomas R. Lavelle as senior vice president and general counsel. Mr. Lavelle will be responsible for the overall legal direction of the Company, including securities, compliance, intellectual property, and litigation. He will report to president and chief executive officer Harold Hughes.

Mr. Lavelle served as vice president and general counsel at Xilinx, one of the world’s leading suppliers of programmable chips, where he oversaw all legal matters. Mr. Lavelle joined Xilinx in 1999 after spending more than 15 years at Intel Corporation where he held various positions in the legal department, including securities, technology licensing, antitrust enforcement and litigation activities.

“Tom is a highly respected member of the legal community and brings tremendous experience to Rambus,” said Hughes. “Tom will provide great leadership and focus to our corporate governance and compliance initiatives. It’s a great pleasure to have Tom join our executive management team.”

Mr. Lavelle earned his J.D. degree from Santa Clara University School of Law and his bachelor's degree from the University of California at Los Angeles.

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 patented innovations, breakthrough technologies and renowned integration expertise have helped industry-leading chip and system companies bring superior products to market. Rambus' technology and products solve customers' most complex chip and system-level interface challenges enabling unprecedented performance in computing, communications and consumer electronics applications. Rambus licenses both its world-class patent portfolio as well as its family of leadership and industry-standard interface products. Headquartered in Los Altos, California, Rambus has regional offices in North Carolina, India, Germany, Japan and Taiwan. Additional information is available at www.rambus.com.