X0202 4 2005-03-01 0 0000749251 GARTNER INC IT 0001159187 UBBEN JEFFREY W 435 PACIFIC AVENUE, FOURTH FLOOR SAN FRANCISCO CA 94133 1 0 1 0 0001129787 VA PARTNERS LLC 435 PACIFIC AVENUE FOURTH FLOOR SAN FRANCISCO CA 94133 1 0 1 0 Director Stock Option (right to buy) 9.92 2005-03-01 4 A 0 7000 0 A 2006-03-01 2015-03-01 Common Stock 7000 22000 D Options granted under Non-Qualified Stock Option. This option becomes exercisable in three substantially equal annual installments, commencing one year after the date of grant, 03/01/05. Column 8 is not a required reportable field. Under an agreement with ValueAct Capital Master Fund, L.P., Jeffrey W. Ubben is deemed to hold the options for the benefit of ValueAct Capital Master Fund, L.P. and ValueAct Capital Partners Co-Investors, L.P. and indirectly for VA Partners, LLC as general partner of ValueAct Capital Master Fund, L.P. and ValueAct Capital Partners Co-Investors, L.P. Jeffrey W. Ubben is a director of Gartner, Inc. and Managing Member of VA Partners, LLC. Peter H. Kamin and George F. Hamel are Managing Members of VA Partners, LLC, the General Partner of ValueAct Capital Master Fund, L.P. and ValueAct Capital Partners Co-Investors, L.P. The reporting persons disclaim beneficial ownership of the reported options except to the extent of their pecuniary interest therein. Joint Filer Information Name: ValueAct Capital Master Fund, L.P. Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: Jeffrey W. Ubben Issuer and Ticker Symbol: Gartner, Inc. (IT) Date of Event Requiring Statement: March 1, 2005 Name: ValueAct Capital Partners Co-Investors, L.P. Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: Jeffrey W. Ubben Issuer and Ticker Symbol: Gartner, Inc. (IT) Date of Event Requiring Statement: March 1, 2005 Name: VA Partners, L.L.C. Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: Jeffrey W. Ubben Issuer and Ticker Symbol: Gartner, Inc. (IT) Date of Event Requiring Statement: March 1, 2005 Name: George F. Hamel, Jr. Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: Jeffrey W. Ubben Issuer and Ticker Symbol: Gartner, Inc. (IT) Date of Event Requiring Statement: March 1, 2005 Name: Peter H. Kamin Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: Jeffrey W. Ubben Issuer and Ticker Symbol: Gartner, Inc. (IT) Date of Event Requiring Statement: March 1, 2005 By: /s/ Jeffrey W. Ubben 2005-03-03 VALUEACT CAPITAL MASTER FUND, L.P., BY VA PARTNERS, L.L.C., ITS GENERAL PARTNER By: /s/ George F. Hamel, Jr. Managing Member 2005-03-03 VALUEACT CAPITAL PARTNERS CO-INVESTORS, L.P., BY VA PARTNERS, L.L.C., ITS GENERAL PARTNER By: /s/ George F. Hamel, Jr. Managing Member 2005-03-03 VA PARTNERS, L.L.C. By: /s/ George F. Hamel, Jr. Managing Member 2005-03-03 By: /s/ George F. Hamel, Jr. 2005-03-03 By: /s/ Peter H. Kamin 2005-03-03