Item 5.02. Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On September 3, 2009, Timothy J. Theriault resigned as President-Corporate and Institutional Services of Northern Trust Corporation (the "Company"), effective September 18, 2009, to pursue opportunities outside the financial sector.

On September 3, 2009, the Company's board of directors appointed Steven L. Fradkin as President-Corporate and Institutional Services, effective September 18, 2009. Mr. Fradkin, 47, has served as an Executive Vice President of the Company since January 21, 2003 and as Chief Financial Officer of the Company since January 20, 2004.

On September 3, 2009, the Company's board of directors appointed William L. Morrison to assume Mr. Fradkin's role as Chief Financial Officer, effective September 18, 2009. Mr. Morrison, 59, has served as an Executive Vice President of the Company since May 21, 2002 and as President-Personal Financial Services of the Company since March 14, 2003.

The Company issued a press release announcing the leadership changes with respect to Mr. Theriault, Mr. Fradkin and Mr. Morrison on September 8, 2009. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

99.1 Press Release of Northern Trust Corporation, dated September 8, 2009

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