LOS ALTOS, CALIFORNIA, UNITED STATES – 05/31/2007 – Rambus Inc. (NASDAQ:RMBS), one of the world’s premier technology licensing companies specializing in high-speed memory architectures, today announced that the Nasdaq Listing and Hearing Review Council has granted the Company an exception, under Rule 4802(b), to demonstrate compliance with the Nasdaq Stock Market continued listing requirements, including the requirement that Rambus provide Nasdaq with reports filed with the SEC within the time periods required by SEC rules, until July 18, 2007. As

LOS ALTOS, CALIFORNIA, UNITED STATES – 05/15/2007 – On May 11, 2007, Rambus filed a Form 12(b)-25 with the Securities and Exchange Commission indicating that it would be unable to timely file its Form 10-Q for the period ended March 31, 2007. As expected, on May 14, 2007, Rambus received an additional notice of non-compliance from the Staff of the NASDAQ Stock Market, in accordance with NASDAQ Marketplace Rule 4310(c)(14), due to the delay in the filing of its Quarterly

Commission clarifies remedy does not limit royalties on SDRAM or DDR SDRAM arising from use prior to the order, nor require refund of royalties already paid LOS ALTOS, CALIFORNIA, UNITED STATES – 03/19/2007 – Rambus Inc. (NASDAQ:RMBS), one of the world’s premier technology licensing companies specializing in high-speed memory architectures, today announced that the Federal Trade Commission (FTC) has stayed portions of its remedy order In the Matter of Rambus Inc. The stay is effective upon Rambus’ filing of a

LOS ALTOS, CALIFORNIA, UNITED STATES – 03/09/2007 – On March 1, 2007, Rambus (Nasdaq:RMBS) filed a Form 12(b)-25 with the Securities and Exchange Commission indicating that it would be unable to timely file its Form 10-K for the period ended December 31, 2006. As expected, on March 6, 2007, Rambus received an additional notice of non-compliance from the Staff of The NASDAQ Stock Market, in accordance with NASDAQ Marketplace Rule 4310(c)(14), due to the delay in the filing of its

Honored for leadership in high-bandwidth memory interface technology LOS ALTOS, CALIFORNIA, UNITED STATES – 02/20/2007 – Rambus Inc. (NASDAQ:RMBS), one of the world’s premier technology licensing companies specializing in high-speed memory architectures, today announced that founder and Chief Scientist Dr. Mark Horowitz has been elected to the National Academy of Engineering for his leadership in high-bandwidth memory interface technology and scalable cache coherent multiprocessor architectures. Dr. Horowitz is among the 2,217 US members of this distinguished organization. “This is a