X0202 4 2004-10-04 0 0001135271 JAMDAT MOBILE INC JMDT 0001167040 BENCHMARK CAPITAL MANAGEMENT CO IV LLC 0 0 1 0 0001167038 BENCHMARK CAPITAL PARTNERS IV LP 0 0 1 0 0001105215 BENCHMARK FOUNDERS FUND IV LP 0 0 1 0 0001274290 BENCHMARK FOUNDERS FUND IV-B LP 0 0 1 0 0001190211 DUNLEVIE BRUCE 2480 SAND HILL ROAD SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001190213 HARVEY KEVIN 2480 SAND HILL ROAD SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001183234 KAGLE ROBERT 0 0 1 0 0001190190 RACHLEFF ANDREW S 2480 SAND HILL ROAD SUITE 200 MENLO PARK CA 94025 0 0 1 0 0001105486 BENCHMARK FOUNDERS FUND IV A LP 0 0 1 0 Common Stock 2004-10-04 4 C 0 1618105 A 1618105 D Common Stock 2004-10-04 4 C 0 463749 A 463749 D Common Stock 2004-10-04 4 C 0 60517 A 60517 D Common Stock 2004-10-04 4 C 0 18015 A 18015 D Common Stock 2004-10-04 4 C 0 2160386 A 2160386 I see footnote Common Stock 2004-10-04 4 C 0 2241455 A 2241455 I see footnote Common Stock 2004-10-04 4 C 0 2241455 A 2241455 I see footnote Common Stock 2004-10-04 4 C 0 2241455 A 2241455 I see footnote Common Stock 2004-10-04 4 C 0 2192813 A 2192813 I see footnote Series D Preferred Stock 2004-10-04 4 C 0 4854315 D Common Stock 1618105 0 D Series D Preferred Stock 2004-10-04 4 C 0 1391247 D Common Stock 463749 0 D Series D Preferred Stock 2004-10-04 4 C 0 181551 D Common Stock 60517 0 D Series D Preferred Stock 2004-10-04 4 C 0 54045 D Common Stock 18015 0 D Series D Preferred Stock 2004-10-04 4 C 0 6481158 D Common Stock 2160386 0 I see footnote Series D Preferred Stock 2004-10-04 4 C 0 6724365 D Common Stock 2241455 0 I see footnote Series D Preferred Stock 2004-10-04 4 C 0 6724365 D Common Stock 2241455 0 I see footnote Series D Preferred Stock 2004-10-04 4 C 0 6724365 D Common Stock 2241455 0 I see footnote Series D Preferred Stock 2004-10-04 4 C 0 6578439 D Common Stock 2192813 0 I see footnote Not applicable. Shares owned by Benchmark Capital Partners IV, L.P. ("BCP IV"). Shares owned by Benchmark Founders' Fund IV, L.P. ("BFF IV"). Shares owned directly by Benchmark Founders' Fund IV-A, L.P. ("BFF IV-A"). Shares owned directly by Benchmark Founders' Fund IV-B, L.P. ("BFF IV-B"). Benchmark Capital Management Co. IV, L.L.C. ("BCMC IV"), the Designated Filer, is the general partner of each of BCP-IV, BFF-IV, BFF-IV-A, BFF-IV-B, and may be deemed to have the sole voting and dispositive power over the 2,160,386 shares of Common Stock held by such entities. BCMC IV and each of its managing members disclaim beneficial ownership of the shares held by such entities except to the extent of any pecuniary interest therein. Andrew S. Rachleff, a managing member of BCMC IV, may be deemed to share voting and dispositive power over the 2,160,386 shares of Common Stock which may be deemed beneficially held by BCMC IV. In addition, Mr. Rachleff may be deemed to share voting and dispositive power over 81,069 shares of Common Stock held by his family trust. Kevin R. Harvey, a managing member of BCMC IV, may be deemed to share voting and dispositive power over the 2,160,386 shares of Common Stock which may be deemed beneficially held by BCMC IV. In addition, Mr. Harvey may be deemed to share voting and dispositive power over 81,069 shares of Common Stock held by his family trust. Bruce Dunlevie, a managing member of BCMC IV, may be deemed to share voting and dispositive power over the 2,160,386 shares of Common Stock which may be deemed beneficially held by BCMC IV. In addition, Mr. Dunlevie may be deemed to share voting and dispositive power over 81,069 shares of Common Stock held by his family trust. Robert Kagle, a managing member of BCMC IV, may be deemed to share voting and dispositive power over the 2,160,386 shares of Common Stock which may be deemed beneficially held by BCMC IV. In addition, Mr. Kagle may be deemed to share voting and dispositive power over 32,427 shares of Common Stock held by his family trust. 1 for 3. Each share of Series D Convertible Preferred Stock automatically converted into 1/3 share of Common Stock immediately prior to the closing of JAMDAT Mobile Inc.'s initial public offering, based on a three-for-one reverse stock split that became effective on September 28, 2004. Immediately. Alexandre Balkanski, David Beirne, Bruce Dunlevie, J. William Gurley, Kevin R. Harvey, Robert Kagle, Andrew Rachleff and Steven M. Spurlock are the managing members of Benchmark Capital Management Co. IV, L.L.C., which serves as general partner to Benchmark Capital Partners IV, L.P., Benchmark Founders' Fund IV, L.P., Benchmark Founders' Fund IV-A, L.P., and Benchmark Founders' Fund IV-B, L.P. Each Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent of such Reporting Person's pecuniary interest in such securities) other than any securities reported herein as being directly owned by such Reporting Person. *This Report is one of two reports, each on a separate Form 4, but relating to the same transaction being filed by the Reporting Persons listed on Exhibit 99.1 /s/ Steven M. Spurlock, as managing member of Benchmark Capital Management Co. IV, L.L.C. 2004-10-06 /s/ Steven M. Spurlock, as managing member of Benchmark Capital Management Co. IV, L.L.C., general partner of Benchmark Capital Partners IV, L.P. 2004-10-06 /s/ Steven M. Spurlock, as managing member of Benchmark Capital Management Co. IV, L.L.C., general partner of Benchmark Capital Founders' Fund IV, L.P. 2004-10-06 /s/ Steven M. Spurlock, as managing member of Benchmark Capital Management Co. IV, L.L.C., general partner of Benchmark Capital Founders' Fund IV-B, L.P. 2004-10-06 /s/ Steven M. Spurlock, by power of attorney for Bruce W. Dunlevie 2004-10-06 /s/ Steven M. Spurlock, by power of attorney for Kevin Harvey 2004-10-06 /s/ Steven M. Spurlock, by power of attorney for Robert C. Kagle 2004-10-06 /s/ Steven M. Spurlock, by power of attorney for Andrew S. Rachleff 2004-10-06 /s/ Steven M. Spurlock, as managing member of Benchmark Capital Management Co. IV, L.L.C., general partner of Benchmark Capital Founders' Fund IV-A, L.P. 2004-10-06