RAMBUS INC — Director's Dealing 2010

May 5, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RAMBUS INC (RMBS)
CIK: 0000917273
Period of Report: 2010-05-03

Reporting Person: RISHI SATISH (Sr. VP and CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-03	Common Stock	J	1567	$13.5575	Acquired	134827	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	700	Indirect
Common Stock	700	Indirect

Footnotes

F1: Voluntarily reporting an exempt acquisition of 1567 shares of Rambus Inc. Common Stock acquired through the Rambus Inc. 2006 Employee Stock Purchase Plan on May 3, 2010.

F2: Shares held directly by the Reporting person as custodian for his minor child.