It's on our roadmap to stick with HP and Avaya

With Riverbed, IT can adapt more quickly and supporttoday's fluid, fast-paced and increasingly dispersed organization withoutrequiring significant upgrades in more storage, network bandwidth orequipment. According to IDC, organizations that deploy Steelheadappliances achieve an average return on investment of 7.3 months. To learnmore, view Riverbed's demo: Looking StatementsThis press release contains forward-looking statements, includingstatements relating to the expected demand for Riverbed's products andservices, including in association with HP ProCurve, statements regardingthe expected benefits to customers of integrating Riverbed OptimizationSoftware with HP ProCurve, and statements relating to Riverbed's abilityto meet the needs of distributed organizations, including in associationwith HP ProCurve. The risks and uncertainties that could cause our results todiffer materially from those expressed or implied by such forward-lookingstatements include our ability to react to trends and challenges in ourbusiness and the markets in which we operate; our ability to anticipatemarket needs or develop new or enhanced products to meet those needs; theadoption rate of our products; our ability to establish and maintainsuccessful relationships with our distribution partners; our ability tocompete in our industry; fluctuations in demand, sales cycles and pricesfor our products and services; shortages or price fluctuations in oursupply chain; our ability to protect our intellectual property rights;general political, economic and market conditions and events; and otherrisks and uncertainties described more fully in our documents filed withor furnished to the Securities and Exchange Commission.

More informationabout these and other risks that may impact Riverbed's business are setforth in our Form 10-Q filed with the SEC on October 30, 2008. Allforward-looking statements in this press release are based on informationavailable to us as of the date hereof, and we assume no obligation toupdate these forward-looking statements. Any future product, feature orrelated specification that may be referenced in this release are forinformation purposes only and are not commitments to deliver anytechnology or enhancement. Riverbed reserves the right to modify futureproduct plans at any time.About RiverbedRiverbed Technology is a technology and market leader in WAN optimizationsolutions for companies worldwide. By enabling application performanceover the wide area network (WAN) that is faster than what users experiencetoday, Riverbed is changing the way people work, and enabling adistributed workforce that can collaborate as if they were local.Additional information about Riverbed is available at Technology, Riverbed, Steelhead, RiOS, Interceptor, and theRiverbed logo are trademarks or registered trademarks of RiverbedTechnology, Inc. BASKING RIDGE, NJ, Jan 26 (MARKET WIRE) In a move designed to provide customers with flexible and cost-effectiveoptions for integrating Unified Communications and IP Telephony solutionsinto networks, Avaya today announced it has entered into a strategicalliance with HP ProCurve.Avaya is joining the HP ProCurve Open Network Ecosystem (ProCurve ONE) toexpand joint efforts in technology integration and innovation.

ProCurveONE is a multi-vendor alliance program that offers enterprises a choice ofpre-tested interoperable solutions that run on the HP ProCurve Switch5400zl and 8200zl series, which offers leading applications on a commonplatform."Through our strategic alliance with HP and the HP ProCurve Open NetworkEcosystem, enterprises, branch and mid-size customers can reap thebenefits of easy-to-deploy, fully-integrated IP networking and UnifiedCommunications solutions," said Dr. Alan Baratz, senior vice president andpresident, Global Communications Solutions, Avaya. "Our current record ofsuccess with existing customers is just the beginning of what will becomemany advances in both technology and go-to-market business models as wemove forward."Through the HP ProCurve ONE program, Avaya Communication Manager IPtelephony software has been tested and certified for interoperability withthe HP ProCurve line of products. Today at live events around the globe,Avaya and HP ProCurve are demonstrating Avaya Communication Managersoftware and UC applications running on the new HP ProCurve ONE Serviceszl Module, which was also announced today. "To help customers address the increased pace of change within theirbusinesses, HP ProCurve is combining its own technology with some of themost innovative, respected and visionary companies in the world," saidMarius Haas, senior vice president and general manager, HP ProCurve."Global businesses are just beginning to reap the benefits from an HPProCurve collaboration with Avaya that provides them with integrateddesign, implementation and support services."HP ProCurve previously announced compliance with the Avaya DevConnectdeveloper program for the HP ProCurve 5400zl, 3500yl and 2600 Seriesswitches. This successful compliance testing demonstrates the ability ofHP ProCurve technology to provide a flexible and standards-based solutionto optimize customer deployment of Unified Communications and IP Telephonysolutions.

These solutions are designed to meet the top customer needs ofaccelerating growth, lowering costs and mitigating risks.Avaya Unified Communications and HP ProCurve solutions are alreadyproviding customers with a number of benefits. For example, the sixthlargest K-12 school district in the U.S. is building their convergenceplatform for the future based on Avaya and HP ProCurve solutions. "We're confident that HP and Avaya willtake us in the direction we want to go with a highly reliable solution,cost-effective pricing and the functionality we need. There's definiterecognition of the strength of these two companies and their closecooperation. It's on our roadmap to stick with HP and Avaya."In addition, Avaya and HP have several mutual, authorized channel partnersalready knowledgeable about the benefits and requirements of a jointsolution from Avaya and HP ProCurve.