Keynote Makes KITE Available for Free Download to Qualified Early Adopters

Keynote Systems (Nasdaq:KEYN): What:   Keynote Systems (Nasdaq:KEYN), the global leader in on-demand mobile and Internet test & measurement solutions for continuously improving the online experience, today announced that KITE (Keynote Internet Testing Environment), the latest version of Keynote's product for testing and analyzing the performance of Web applications across the Internet cloud, is available to qualified early adopters for free download.   The KITE early adopter program, which begins today, allows Web developers, Quality Assurance (QA) and Web Operations teams to test the most sophisticated Web 2.0 sites and applications both from their desktops and from five cities around the world within the corporate network as well as the Internet cloud.   "The feedback from our early adopters has been incredible," said Vik Chaudhary, vice president of product management and corporate development at Keynote. "It's clear that the exponential growth of cloud computing is presenting new, unique performance challenges; with KITE Web developers, QA engineers and Web Operations teams can easily topple those challenges to continue providing their end users with exceptional offerings."   See what early adopters are already saying about KITE here - http://kite.keynote.com/video/keynote-kite/keynote-kite.html.   When: August 14, 2008   Where: KITE is available to early adopters for free download at http://kite.keynote.com. About Keynote Keynote Systems (Nasdaq "KEYN”) is the global leader in on-demand test & measurement solutions for continuously improving the online experience. As an independent and trusted third-party, Keynote provides IT and marketing executives with an unbiased view into their Internet services from around the world. For over a decade, Keynote has been providing measurement data and testing capabilities that allow companies to understand and improve their customers’ online and mobile experience. Keynote has four test and measurement businesses: Web performance, mobile quality, streaming & VoIP, and customer experience/UX. In addition, Keynote’s industry analysis group called Keynote Competitive Research publishes proprietary studies measuring customer experience and service levels across a wide range of industries. Known as The Mobile and Internet Performance Authority™, Keynote has a market-leading infrastructure of 2,500 measurement computers and mobile devices in over 240 locations around the world. Keynote also maintains one of the most representative panels of online users consisting of 160,000 consumers. Keynote’s on-demand, hassle-free infrastructure allows businesses to access services they need, when they need them to pinpoint and fix mobile quality and Internet problems before they impact customers. Keynote helps over 2,800 corporate customers become "the best of the best” by helping them improve online business performance and mobile communications quality. Keynote’s customers represent top Internet and mobile companies including American Express, BP, Caterpillar, Dell, Disney, eBay, E*TRADE, Expedia, Microsoft, SonyEricsson, Sprint, T-Mobile, Verizon and Vodafone. 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, Perspective and WebEffective are registered trademarks and The Mobile and Internet Performance Authority and True Experience are trademarks of Keynote Systems, Inc. Other trademarks are the property of their respective owners. © 2008 Keynote Systems, Inc.