Visto and Microsoft Reach Settlement and License Agreement

Redwood City, Calif., March 3, 2008 –Visto Corporation today announced it has entered into a settlement and license agreement with Microsoft Corporation involving cash and non-cash consideration, thus ending a two-year patent dispute between the parties.  Specific terms and conditions of the agreement are confidential. Both companies will dismiss all pending legal claims.  

"This settlement is yet another validation of Visto’s strong and important patent portfolio,” said Daniel Mendez, co-founder, executive vice president and chief technology officer of Visto Corporation.  “We are pleased that Microsoft agreed to this arrangement which we believe reinforces our ownership of these crucial inventions and technology.”

The case, which was scheduled to begin on March 10 in U.S. Federal Court in Marshall, Texas, centered on alleged infringement by Microsoft on three of Visto’s mobile email patents.

About Visto

Visto delivers the most advanced global platform for mobile operators to provide easy-to-use mobile email to the broadest set of devices. Visto’s open solution enables email for the mass market, targeting enterprises, small businesses, mobile professionals and consumers. The company’s patented Visto Mobile™ platform with ConstantSync™ technology works in real time with POP3, IMAP, Microsoft Exchange and Lotus Domino email solutions for personal to business use, providing maximum control and flexibility for the operator and choice for the customer. Visto’s customized, brandable solutions are available through mobile operators worldwide including AT&T, Elisa, Rogers Wireless, Qtel, SmarTone, SFR, Softbank Mobile, Sprint-NEXTEL, TELUS, T-Mobile, Turkcell and the Vodafone Group.

Established in 1996 and headquartered in Redwood Shores, California, with offices in Seattle, Toronto, London, Milan, Paris, Madrid, Dusseldorf, Tokyo, Beijing, and Tianjin, China, Visto is backed by Oak Investment Partners, Draper Fisher Jurvetson, Altitude Capital Partners, Meritech Capital Partners, DFJ ePlanet Ventures, DFJ Growth Fund, Rustic Canyon Ventures, GKM Newport, Stanford Accelerator and Blueprint Ventures. For more information, visit www.visto.com or email info@visto.com.

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©Copyright 2008.

Visto Corporation, Visto, the Visto logo, Visto Mobile, ConstantSync, Constant Synchronization and worklife.freedom are either trademarks or registered trademarks of Visto Corporation. All third-party trademarks, trade names, or service marks are the property of their respective owners and are used only to refer to the goods or services identified by those third-party marks. Visto's technology is protected by U.S. Patents 7,228,383; 7,225,231; 7,039,679; 6,085,192; 5,968,131; 6,023,708; 5,961,590; 6,131,116; 6,151,606; 6,233,341; 6,131,096, 6,708,221 and 6,766,454 and various other foreign patents. Other patents pending.

All third-party trademarks, trade names, or service marks used herein are the property of their respective owners and are used only to refer to the goods or services identified by those third-party marks.