Attributes its 2004-2008 Revenue Growth to High-Performance Culture, Technology Innovation and Customer Success

CAPE TOWN – October 27, 2009 – Riverbed Technology (NASDAQ: RVBD), the IT infrastructure performance company for networks, applications and storage, today announced that it ranked number 21 on Technology Fast 500™, Deloitte LLP’s ranking of 500 of the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America. Rankings are based on percentage fiscal year revenue growth during the five year period from 2004 to 2008. Riverbed revenues grew from $2.562 million in 2004 to $333.349 million in 2008, an increase of 12,911 percent during this period.

Riverbed® CEO Jerry Kennelly credits maintaining the same high-performance culture throughout the company’s history as the key factor in driving its revenue growth over the five years. "When Dr. Steve McCanne and I started Riverbed back in 2002, we were steadfast in our convictions about the type of people we wanted to work with us," says Kennelly. "Our recruiting process remains as thorough today as it was back then. We started with the smartest and highest-performing people behind an innovative technology that addresses a critical challenge for enterprises.  Our success with customers is a testament to the team’s drive to continuously provide an industry-leading solution and support."

"Technology Fast 500™ recognizes innovative companies that have broken down barriers to success and defied the odds with their remarkable five-year revenue growth," said Phil Asmundson, Vice Chairman and U.S. Technology, Media and Telecommunications leader, Deloitte LLP. "We congratulate Riverbed on this accomplishment."

"With its impressive five-year growth, Riverbed has earned its position among the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America," said Mark Jensen, Managing Partner, Technology and Venture Capital Services, Deloitte & Touche LLP. "Deloitte is proud to honor Riverbed for its achievement."

In 2008, Riverbed ranked 10th in the Rising Star category in Deloitte’s Technology Fast 50 program for Silicon Valley.  The Rising Star award is a special designation for fast-growth companies that have been in business a minimum of three years, and is part of the Silicon Valley Technology Fast 50 program.  Riverbed was ranked number ten based on its 930 percent revenue growth during a three year period.

Overall, Technology Fast 500™ award winners for 2009 had growth rates ranging from 212 to 146,050 percent over five years, with an average growth rate of 2,486 percent.

Technology Fast 500™ Selection and Qualifying Criteria
Technology Fast 500™ provides a ranking of the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America. This ranking is compiled from nominations submitted directly to the Technology Fast 500™ website, and public company database research conducted by Deloitte. Technology Fast 500™ award winners for 2009 are selected based on percentage fiscal year revenue growth during the five year period from 2004 to 2008.

Deloitte’s 2009 Technology Fast 500TM Media Guidance 4
In order to be eligible for Technology Fast 500™ recognition, companies must own proprietary intellectual property or proprietary technology that contributes to a significant portion of the company's operating revenues. Using other companies' technology or intellectual property in a unique way does not satisfy this requirement.

Consulting companies, professional service firms, etc. are not eligible unless they have proprietary technology that contributes to a significant portion of their operating revenues.

Technology Fast 500™ award eligibility requirements also include base-year operating revenues of at least $50,000 USD or CD, and current-year operating revenues of at least $5 million USD or CD. These revenues must have more than doubled between 2004 and 2008. Additionally, companies must be in business for a minimum of five years, and be headquartered within North America.