Visto Announces Agreement with Microsoft to Promote Mobile Email Solutions

Visto Mobile Personal Edition a Preferred Microsoft Solution for Mobile Operators

(3GSM World Congress, Cannes, France, February 25, 2004)– Visto Corporation (www.visto.com), the leading provider of personal and corporate mobile messaging solutions to wireless operators for the broadest set of mobile device platforms, today announced that it has signed a preferred partnership agreement with Microsoft to promote and market its Visto Mobile Personal Edition mobile email/PIM solution jointly to mobile operators.

Visto Mobile™ Personal Edition, introduced by Visto at 3GSM World Congress , is a flexible set of custom-branded applications and services that let mobile operators provide subscribers with real-time, secure, remote access to their corporate and personal email, PIM and files directly from their mobile devices. With Visto Mobile Personal Edition mobile operators can address a broad range of market segments that include individual subscribers, SOHO (Small Office, Home office), and mobile professionals working for medium and large enterprises. It can be integrated with the mobile operator's networks so that operators can effectively manage billing, user-provisioning and customer support.

"Visto brings great value to Windows Mobile software with world-class personal information management connectivity solutions that keep mobile professionals connected while on the go," said Andy Haon, Director of Product Management in the Mobile Devices Division at Microsoft Corp. "Our collaboration is evidence of the importance of relationships in this industry and the growth of a critical market segment around mobile business solutions that we are addressing jointly."

"Visto is focused on delivering the best in breed mobile email/PIM solutions to all subscriber segments targeted by mobile operators," said Brian Bogosian, chairman, president and CEO of Visto Corporation. "Visto Mobile Personal Edition is the perfect solution for prosumers, and small to medium sized businesses using Windows Mobile-based devices with Microsoft Exchange or other popular email solutions."

Visto Mobile Personal Edition provides mobile access to Microsoft Exchange and Microsoft Outlook as well as other popular corporate email, calendar, address book and desktop-accessible files, and to multiple personal/Internet (POP3) mailboxes. Visto supports all popular mobile PDAs/phones including Windows Mobile-based devices.

Visto provides its Personal Edition solution directly to mobile operators throughout the world. This new relationship with Microsoft is expected to further enhance Visto's position as the leader in mobile email and PIM solutions for mobile operators.

See Visto demonstrate Visto Mobile Personal Edition at the Microsoft booth at 3GSM World Congress, in the Microsoft Zone, Hall 4, location 4C. Call +1-866-82-VISTO for product information or visit www.visto.com

About Visto Corporation

Established in 1996, Visto is the leading provider of mobile messaging solutions to mobile operators for the broadest set of mobile device platforms. Visto Mobile Access Solution, Server Edition, provides departmental and enterprise access to corporate email. Visto Mobile Personal Edition is a flexible set of custom-branded applications and services that let mobile operators provide subscribers with real-time, secure, remote access to their corporate and personal email, PIM and other files directly from their mobile devices. Both solutions include message push for immediate email notification, and are well-suited to the "converged" mobile PDAs/phones using Palm OS, Windows Mobile (Pocket PC and Smartphone), J2ME and Symbian platforms as well as enhanced mobile WAP/Web browser-enabled mobile devices. Visto's solutions are available from Visto and through mobile operators worldwide, including AT&T Wireless, Bell Mobility, KPN, Manitoba Telecom Services, Nextel Communications, Inc., Rogers AT&T Wireless, SaskTel Mobility, SmarTone and TELUS Mobility. Visto is also a member of the Microsoft Mobility Partner Advisory Council (MPAC), a unique program developed by Microsoft Corp. to serve as a focused feedback mechanism for Microsoft Windows Mobile platform development, and provide leading companies with the tools and resources they need to bring to market the most innovative and successful mobility solutions. For more information, visit www.visto.com .

Visto is backed by Oak Technology Partners, Draper Fisher Jurvetson, Vantage Point Venture Partners, Rustic Canyon Ventures, Allegis Capital, Blueprint Ventures, The Board of Trustees of the Leland Stanford Junior University, Bessemer Venture Partners, New Enterprise Associates and Walden VC.

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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.