Type	Name	Date
Indenture	Second Supplemental Indenture, between Northern Trust Corporation and The Bank of New York Mellon Trust Company, National Association, as trustee	08/03/2018
Underwriting agreement	Underwriting Agreement, among Northern Trust Corporation and Merrill Lynch, Pierce, Fenner & Smith Incorporated and Morgan Stanley & Co. LLC, as representatives of the underwriters named therein	05/08/2017
Indenture	Indenture, between Northern Trust Corporation and The Bank of New York Mellon Trust Company, National Association, as trustee	05/08/2017
Indenture	First Supplemental Indenture, between Northern Trust Corporation and The Bank of New York Mellon Trust Company, National Association, as trustee	05/08/2017

Type	Name	Date
Equity incentive plans	Northern Trust Corporation 2017 Long-Term Incentive Plan	04/26/2017