Guidewire ClaimCenter Receives Leading Core Claim System Position in Celent Report; Key analyst report cites Guidewire's remarkable record of growth and market acceptance.

SAN MATEO, Cailf. -- Guidewire Software(R), a leading provider of solutions to property and casualty and workers' compensation insurers, today announced that Guidewire's ClaimCenter solution has been recognized as a leading core claim system by industry analyst firm, Celent. In the report, Celent profiled 16 core property/casualty claims systems with an established presence in the United States. An abstract of the report is available online at www.guidewire.com.

"ClaimCenter is a leading core claim system based on the breadth of its functionality, its modern technology and impressive level of sales in its first few years of availability. Since the initial release of their ClaimCenter product in 2003, Guidewire(TM) has achieved a remarkable record of growth and market acceptance," said Donald Light, senior analyst in Celent's insurance group and author of Celent's Core Claims Systems Vendors 2006. "ClaimCenter's deployment by insurers of diverse sizes and lines of business is also noteworthy."

Light also commented that references for ClaimCenter were very positive with insurers reporting good experience with a broad range of functionality. Guidewire's offering also received high marks for breadth and ease of integration as well as for the total implementation experience.

Jeff Simpson, Guidewire's chairman and chief executive officer added, "We appreciate Celent's recognition of Guidewire ClaimCenter(R) as a leading claims system. The industry's rapid adoption of our claims system is very gratifying and validates our belief that the industry is anxious to implement superior systems that leverage modern technologies and imbed industry best practices. This report certainly underscores some of the key reasons for our 100 percent customer referencability."

Additional reported ClaimCenter highlights include:

--ClaimCenter is a complete comprehensive claims solution, offering the full array of adjuster and claims management features and functionality;

--References for ClaimCenter are very positive;

--Insurers report good experiences with a broad range of functionality, including FNOL, assignment, workflow, and rules; and

--Integration and total implementation experiences also received good marks.

About Celent's Core Claims Systems Vendors 2006 Report

Key criteria for systems evaluated in the report were those offerings that provide reasonably broad multi-line functionality for adjusters and claims managers and that integrate well with an insurer's other internal operational and financial systems as well as with various external claims information providers and claims business partners. An abstract of the report is available online at www.guidewire.com.

About Guidewire Software

Guidewire Software is a leading provider of technology solutions to property and casualty and workers' compensation insurers. Guidewire delivers proven software to run mission-critical insurance operations, including billing, underwriting, policy, and claim management. The Guidewire Insurance Suite(TM) consists of Guidewire ClaimCenter, Guidewire PolicyCenter(R), and Guidewire BillingCenter(TM), which provide a modern, web-based platform for all lines of business. Guidewire is headquartered in San Mateo, CA, with offices in Toronto, London, and Sydney. For more information, please visit www.guidewire.com.

NOTE: Guidewire Software, Guidewire ClaimCenter, and Guidewire PolicyCenter are registered trademarks; Guidewire, Guidewire Insurance Suite, and Guidewire BillingCenter are trademarks of Guidewire Software, Inc.