FACTSET RESEARCH SYSTEMS INC — Director's Dealing 2010

Jan 6, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FACTSET RESEARCH SYSTEMS INC (FDS)
CIK: 0001013237
Period of Report: 2010-01-04

Reporting Person: SNYDER CHARLES J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-01-04	FactSet Common Stock	J	316010	$66.60	Acquired	2766810	Direct
2010-01-05	FactSet Common Stock	J	293092	$66.60	Acquired	2766810	Direct
2010-01-06	FactSet Common Stock	J	609102	$67.51	Disposed	2766810	Direct

Footnotes

F1: Mr. Snyder transferred 316,010 shares of FactSet Common Stock from the 2008 Grantor Retained Annuity Trust, of which Mr. Snyder is the sole trustee, to himself.

F2: Note that 1,766,810 of Mr. Snyder's shares are held directly, an additional 390,898 shares are held indirectly through the 2008 Grantor Retained Annuity Trust and the remaining 609,102 are held indirectly through the 2010 Grantor Retained Annuity Trust. Mr. Snyder has complete authority in connection with the shares held by the trusts.

F3: Mr. Snyder transferred 293,092 shares of FactSet Common Stock from the 2008 Grantor Retained Annuity Trust, of which Mr. Snyder is the sole trustee, to himself.

F4: Based on the mean of the high and low price of the FactSet common stock on January 4, 2010.

F5: Mr. Snyder transferred 609,102 shares of FactSet Common Stock to the 2010 Grantor Retained Annuity Trust, of which Mr. Snyder is the sole trustee. He will have complete authority in connection with the shares held by the trust.

F6: Based on the mean of the high and low price of the FactSet common stock on January 6, 2010.