X0204 3 2012-01-24 0 0001528396 Guidewire Software, Inc. GWRE 0001225484 PRESIDIO MANAGEMENT GROUP VIII L L C 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001225444 US VENTURE PARTNERS VIII L P 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001225449 USVP VIII AFFILIATES FUND L P 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001225446 USVP ENTREPRENEUR PARTNERS VIII A L P 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001225448 USVP ENTREPRENEUR PARTNERS VIII B L P 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001192391 FEDERMAN IRWIN 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001225477 FU WINSTON S 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001212726 LIDDLE DAVID E 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001225480 ROOT JONATHAN D 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001316575 Rust Christopher J 2735 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 Common Stock 273710 I Directly owned by USVP VIII Common Stock 2014 I Directly owned by AFF VIII Common Stock 2566 I Directly owned by EP VIII-A Common Stock 1376 I Directly owned by EP VIII-B Series A Convertible Preferred Stock Common Stock 8750236 I Directly owned by USVP VIII Series A Convertible Preferred Stock Common Stock 64475 I Directly owned by AFF VIII Series A Convertible Preferred Stock Common Stock 81976 I Directly owned by EP VIII-A Series A Convertible Preferred Stock Common Stock 43981 I Directly owned by EP VIII-B Series B Convertible Preferred Stock Common Stock 1882117 I Directly owned by USVP VIII Series B Convertible Preferred Stock Common Stock 13868 I Directly owned by AFF VIII Series B Convertible Preferred Stock Common Stock 17632 I Directly owned by EP VIII-A Series B Convertible Preferred Stock Common Stock 9460 I Directly owned by EP VIII-B Series C Convertible Preferred Stock Common Stock 972110 I Directly owned by USVP VIII Series C Convertible Preferred Stock Common Stock 7163 I Directly owned by AFF VIII Series C Convertible Preferred Stock Common Stock 9107 I Directly owned by EP VIII-A Series C Convertible Preferred Stock Common Stock 4886 I Directly owned by EP VIII-B The Series A, Series B, and Series C Convertible Preferred Stock is convertible into Common Stock on a one for one basis at any time at the holder's election, and automatically upon the closing of the Issuer's initial public offering, and has no expiration date. Not Applicable The reported securities are owned directly by each of U.S. Venture Partners VIII, L.P. ("USVP VIII"), USVP VIII Affiliates Fund, L.P. ("AFF VIII"), USVP Entrepreneur Partners VIII-A, L.P. ("EP VIII-A") and USVP Entrepreneur Partners VIII-B, L.P. ("EP VIII-B" and together with USVP VIII, AFF VIII and EP VIII-A, the "USVP VIII Funds"). Presidio Management Group VIII, L.L.C. ("PMG VIII") is the general partner of each of USVP VIII, AFF VIII, EP VIII-A and EP VIII-B and may be deemed to have sole voting and dispositive power over the shares held by the USVP VIII Funds. PMG VIII and each of Irwin Federman, Winston Fu, Steven M. Krausz, David Liddle, Jonathan D. Root, Christopher Rust, Casey M. Tansey and Philip M. Young, the managing members of PMG VIII who may be deemed to share voting and dispositive power over the reported securities, disclaim beneficial ownership of the reported securities held by the USVP VIII Funds except to the extent of any pecuniary interest therein. Remarks: This report is one of three reports, each on a separate Form 3, but relating to the same transaction being filed by the reporting persons. Michael P. Maher - Attorney-in-Fact for each Joint Filer 2012-01-24