Riverbed Technology (RVBD)

Telecom and Service Provider Industry Veteran Joins Riverbed Board

San Francisco, CA – August 16, 2007 – Riverbed Technology, Inc. (Nasdaq: RVBD), the performance leader in wide-area data services (WDS), announced today that Mark Floyd has been appointed to the company’s board of directors. The addition of Floyd expands Riverbed’s board to eight directors.

Floyd, 51, served as the CEO of Entrisphere, a communications equipment company that was acquired by Ericsson in February 2007. Floyd also served as CEO of Efficient Networks, which he led for nearly seven years until its acquisition by Siemens in 2001. Floyd currently serves on the board of directors of Tekelec and Carrier Access. He also serves as a Venture Partner at El Dorado Ventures, a venture capital firm focused on semiconductors and systems, communications, software and services. Floyd holds a bachelor’s degree from the University of Texas at Austin.

“Mark’s experience leading companies and his service provider industry expertise will be a valuable asset to Riverbed and our board,” said Jerry Kennelly, Chairman and CEO, Riverbed. “We look forward to his contributions to help extend Riverbed’s leadership in wide-area data services.”

“I am pleased to join the Riverbed board at such an exciting time,” said Floyd. “The company’s unique mix of innovative technology, operational excellence, strong customer base and vision for wide-area data services provides an excellent foundation for continued success.”