November 30, 2004

Rambus Executives to Present at Lehman Brothers T4 2004 Conference

Rambus Inc. (Nasdaq:RMBS), a leading developer of chip interface products and services, today announced that Geoff Tate, Chief Executive Officer, along with Bob Eulau, Senior Vice President and Chief Financial Officer, will present a business overview at the Lehman Brothers T4 2004 Conference on December 8, 2004 at 9:30 a.m. PT.

The Company's presentation will be available through a webcast and can be accessed at Rambus's Investor Relations web site at The replay will be available on Rambus's IR web site following the event.

About Rambus

Rambus is one of the world's leading providers of advanced chip interface products and services. 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, Taipei, Taiwan and Tokyo, Japan. Additional information is available at