UPDATE: Guidewire Announces Proposed Follow-on Offering of 6.5M Shares

Guidewire Software, Inc. GWRE, a provider of software products for Property/Casualty (P/C) insurers, today announced that it plans to commence an underwritten public offering of 6.5 million shares of its common stock. In addition, Guidewire will grant the underwriters an option to purchase up to an additional 975,000 shares of common stock to cover overallotments, if any. Guidewire intends to use proceeds from the offering for general corporate purposes, including working capital and capital expenditures, and potential acquisitions. The lead bookrunning managers of the offering are J.P. Morgan Securities LLC and Deutsche Bank Securities. UBS Investment Bank, Stifel Nicholas and Pacific Crest Securities are acting as co-managers. An effective registration statement relating to the securities was filed with the Securities and Exchange Commission on October 21, 2013. The offering is being made only by means of an effective shelf registration statement, including a preliminary prospectus and final prospectus, copies of which may be obtained, when available, by contacting J.P. Morgan Securities LLC, Attention: Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, or telephone: 1-866-803-9204; or Deutsche Bank Securities Inc., Attention: Prospectus Group, 60 Wall Street, New York, New York 10005, or by email at prospectus.cpdg@db.com, or by telephone at (800) 503-4611. This announcement shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any offer or sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of such state or jurisdiction. About Guidewire Software Guidewire Software is a provider of software products for Property/Casualty insurers. Designed to be flexible and scalable, Guidewire products enable insurers to deliver excellent service, increase market share, and lower operating costs. Guidewire products include Guidewire InsuranceSuite™, consisting of Guidewire PolicyCenter®, Guidewire ClaimCenter® and Guidewire BillingCenter® which span the core functional areas in insurance; Guidewire LiveSM, a cloud-based network connecting peer insurers, core system data and expert tools through instant on apps; Guidewire DataHub™ and Guidewire InfoCenter™ which help insurers address their data management and business intelligence challenges. Guidewire is headquartered in Foster City, California, with offices in Beijing, Dublin, Hong Kong, London, Munich, Paris, Sydney, Tokyo, Toronto, and Warsaw. For more information, please visit http://www.guidewire.com. NOTE: Guidewire, Guidewire Software, Guidewire ClaimCenter, Guidewire PolicyCenter, Guidewire BillingCenter, Guidewire InsuranceSuite, Guidewire DataHub, Guidewire InfoCenter, Guidewire Live, Before & After, Guidewire PartnerConnect, Guidewire SolutionConnect, Deliver Insurance Your Way, and the Guidewire logo are trademarks, service marks, or registered trademarks of Guidewire Software, Inc. in the United States and/or other countries. Investor Relations Contact: