International Trade Commission Grants Rambus Request for Investigation

Los Altos, California, United States  -- Dec. 04, 2008 --  Rambus Inc. (Nasdaq:RMBS), one of the world’s premier technology licensing companies specializing in high-speed memory architectures, today announced that, at its request, the U.S. International Trade Commission (ITC) has instituted an investigation regarding infringement of Rambus’ patents by NVIDIA Corporation and other companies whose products incorporate the accused NVIDIA products.

In its complaint, Rambus has alleged infringement of nine Rambus patents. The accused products include NVIDIA products that incorporate DDR, DDR2, DDR3, LPDDR, GDDR, GDDR2, and GDDR3 memory controllers, including graphics processors, and media and communications processors.

The Investigation Number for this matter is 337-TA-661. A hearing date has not yet been set. The public record for this investigation may be viewed at http://edis.usitc.gov.

About Rambus Inc.

Rambus is one of the world’s premier technology licensing companies specializing in the invention and design of high-speed memory architectures. 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’ innovations and solutions enable unprecedented performance in computing, communications, and consumer electronics applications. Rambus licenses both its world-class patent portfolio as well as a range of leadership and industry-standard memory solutions. 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.