Rambus and Panasonic Sign Patent License Agreement

Five year agreement covers DRAM memory controllers

Sunnyvale, California, United States  - January 27, 2011   - Rambus Inc. (Nasdaq:RMBS), one of the world's premier technology licensing companies, announced today it has renewed its patent license agreement with Panasonic Corporation. This five year agreement covers Panasonic's products with DRAM memory controllers for SDR, DDR, DDR2, DDR3, and other DRAM devices. Rambus will receive royalty payments based on the shipment of these memory controllers.

"Panasonic has been a valued partner, and we are pleased to further this important relationship," said Sharon Holt, senior vice president and general manager of the Semiconductor Business Group at Rambus. "This license renewal further validates the strength of our patent portfolio and showcases the key inventions created by our team of scientists and engineers."

About Rambus Inc.

Rambus is one of the world's premier technology licensing companies. Founded in 1990, the Company specializes in the invention and design of architectures focused on enriching the end-user experience of electronic systems. Rambus' patented innovations and breakthrough technologies help industry-leading companies bring superior products to market. Rambus licenses both its world-class patent portfolio, as well as its family of leadership and industry-standard solutions. Headquartered in Sunnyvale, California, Rambus has regional offices in North Carolina, Ohio, India, Germany, Japan, Korea, and Taiwan. Additional information is available at www.rambus.com.

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