X0306 4 2016-01-13 0001013237 FACTSET RESEARCH SYSTEMS INC FDS 0001164872 SIEBECKER WALTER F 601 MERRITT 7 NORWALK CT 06851 1 FactSet Common Stock 2016-01-13 4 M 0 1611 91.06 A 27439 D FactSet Common Stock 2016-01-13 4 M 0 964 107.65 A 28403 D FactSet Common Stock 2016-01-13 4 M 0 461 138.48 A 28864 D FactSet Common Stock 2016-01-13 4 M 0 2097 87.26 A 30961 D FactSet Common Stock 2016-01-13 4 M 0 3085 66.81 A 34046 D FactSet Common Stock 2016-01-13 4 M 0 2419 95.05 A 36465 D FactSet Common Stock 2016-01-13 4 M 0 4500 58.78 A 40965 D FactSet Common Stock 2016-01-13 4 S 0 1611 147.15 D 39354 D FactSet Common Stock 2016-01-13 4 S 0 964 147.23 D 38390 D FactSet Common Stock 2016-01-13 4 S 0 461 147.25 D 37929 D FactSet Common Stock 2016-01-13 4 S 0 2097 146.84 D 35832 D FactSet Common Stock 2016-01-13 4 S 0 3085 146.12 D 32747 D FactSet Common Stock 2016-01-13 4 S 0 6919 146.11 D 25828 D Non-Qualified Stock Option (right to buy) 91.06 2016-01-13 4 M 0 1611 D 2014-01-15 2020-01-15 FactSet Common Stock 1611 18409 D Non-Qualified Stock Option (right to buy) 107.65 2016-01-13 4 M 0 964 D 2015-01-15 2021-01-15 FactSet Common Stock 964 17445 D Non-Qualified Stock Option (right to buy) 138.48 2016-01-13 4 M 0 461 D 2016-01-13 2022-01-15 FactSet Common Stock 461 16984 D Non-Qualified Stock Option (right to buy) 87.26 2016-01-13 4 M 0 2097 D 2013-01-13 2019-01-13 FactSet Common Stock 2097 14887 D Non-Qualified Stock Option (right to buy) 66.81 2016-01-13 4 M 0 3085 D 2011-01-15 2017-01-15 FactSet Common Stock 3085 11802 D Non-Qualified Stock Option (right to buy) 95.05 2016-01-13 4 M 0 2419 D 2012-01-14 2018-01-14 FactSet Common Stock 2419 9383 D Non-Qualified Stock Option (right to buy) 58.78 2016-01-13 4 M 0 4500 D 2008-01-16 2017-01-16 FactSet Common Stock 4500 4883 D Non-Qualified Stock Option (right to buy) 87.26 2016-01-13 4 J 0 525 D 2017-01-13 2019-01-13 FactSet Common Stock 525 4358 D Non-Qualified Stock Option (right to buy) 91.06 2016-01-13 4 J 0 1072 D 2017-01-15 2020-01-15 FactSet Common Stock 1072 3286 D Non-Qualified Stock Option (right to buy) 107.65 2016-01-13 4 J 0 1440 D 2017-01-15 2021-01-15 FactSet Common Stock 1440 1846 D Non-Qualified Stock Option (right to buy) 138.48 2016-01-13 4 J 0 1846 D 2017-01-15 2022-01-15 FactSet Common Stock 1846 0 D Column 8 has been intentionally left blank because the transaction was an exercise of a derivative security. Walter F. Siebecker resigned from the Board effective December 15, 2015, concurrent with the date of FactSet's 2015 Annual Meeting of Stockholders. These amounts represent a pre-vesting forfeiture of non-qualified stock options granted to Mr. Siebecker during his term as a Director. /s/ Walter F. Siebecker 2016-01-15