Riverbed Technology (RVBD)

Deal Adds Enterprise-wide Network and Application Visibility and Analysis to Riverbed’s Award-winning Line of WAN Optimization Solutions; Mazu Products Renamed Cascade

SAN FRANCISCO—February 20, 2009—Riverbed Technology (NASDAQ: RVBD), the IT infrastructure performance company for networks, applications and storage, today announced that it has completed its acquisition of Mazu Networks. Riverbed also announced that it has appointed Mazu CEO Paul Brady to run the Riverbed Application Intelligence Business Unit.

The acquisition of Mazu allows Riverbed to meet enterprise and service provider customer demands by extending its suite of WAN optimization products to include global application performance reporting and analytics. The Mazu products, which have been renamed Cascade, analyze network traffic to provide valuable information about the interactions of and dependencies between users, applications and systems. As a result, Riverbed will now be able to deliver to its enterprise and service provider customers faster, smarter and more efficient IT infrastructure performance solutions.

“Riverbed has become the leading IT infrastructure performance company by delivering the benefits of speed, scale and simplicity to thousands of customers around the world, and WAN optimization will continue to be the primary driver of our ongoing success,” said Eric Wolford, senior vice president, marketing and business development. “Riverbed Cascade appliances provide scale to our customers’ ability to monitor the optimization and performance of their key applications and allow us to deliver simplicity in the analysis and reporting of that information across a customer’s entire environment.”