Charles Boesenberg Joins Keynote's Board of Directors.

SAN MATEO, Calif. -- Keynote Systems (Nasdaq:KEYN), the global leader in Internet and mobile test and measurement services, today announced Charles M. Boesenberg, a distinguished technology industry CEO with over 30 years experience in the computing and software industries, has been appointed to the company's board of directors, effective September 11, 2006. Keynote's board of directors increased to eight members.

Boesenberg, 58, was most recently chairman and CEO of NetIQ before it was acquired by Attachmate Corporation in June 2006. During his tenure at NetIQ, Boesenberg grew the company via internal development and acquisitions into one of the world's leading providers of integrated systems and security management solutions.

Umang Gupta, chairman and CEO of Keynote, said: "We are fortunate to have someone with Chuck's insights and experience join our board. We look forward to his help in expanding our role as the world's leader in Internet and mobile test and measurement services."

Prior to NetIQ, Boesenberg was president of Post PC Ventures, a management and investment group from March 2000 to December 2001. Boesenberg was president and CEO of Integrated Systems, Inc. (ISI), a provider of embedded systems software, from 1998 until ISI merged with Wind River Systems in February of 2000. While at ISI, Boesenberg led the integration of multiple acquisitions, forged strategic partnerships and returned the company to revenue growth and profitability.

Boesenberg joined ISI from Magellan, where he was CEO. From 1992 to 1994, Boesenberg was chairman, president and CEO of Central Point Software. Prior to Central Point, Boesenberg was president of MIPS Computer Systems. He has also held senior executive positions at IBM and Apple computer.

Boesenberg currently serves on the boards of directors of Callidus Software, Interwoven, Inc. and Rackable Systems, and he has served on the boards of Macromedia, Maxtor Corporation and Symantec Corporation, among others. He holds a B.S. in mechanical engineering from the Rose Hullman Institute of Technology and an M.S. in business administration from Boston University.

About Keynote

Founded in 1995, Keynote Systems (Nasdaq "KEYN") is the global leader in Internet and mobile test and measurement services. Keynote helps approximately 2,600 corporate customers become "the best of the best" online. The business premise supporting Keynote's mission is: "Online businesses can't manage what they don't measure." As an independent and trusted third-party, Keynote provides IT and marketing executives with unbiased benchmarking data, competitive analysis and operational metrics from the customer perspective. This data measures service levels and customer experience of Web sites, broadband services and mobile communications.

Known as The Internet Performance Authority(R), Keynote manages a market-leading infrastructure of 2,100 measurement computers and mobile devices in over 120 locations and 70+ metropolitan areas worldwide that assess service levels and a panel of over 160,000 consumers who participate in interactive Web site tests that assess user experience. These online user experience tests capture customer attitude and behavior to answer the critical "why" behind the "what." Keynote's geographically distributed measurement services, on-site monitoring appliances, competitive intelligence and custom studies ensure that its customers outpace their competitors in online service levels and overall user experience.

Keynote Systems, Inc. is headquartered in San Mateo, California and can be reached at www.keynote.com or by phone in the U.S. at 650-403-2400.

Keynote, The Internet Performance Authority and Perspective are registered trademarks of Keynote Systems, Inc. Other trademarks are the property of their respective owners. (C) 2006 Keynote Systems, Inc.