144 0002039870 XXXXXXXX LIVE 0000073124 Northern Trust Corporation 001-36609 50 South LaSalle Street Chicago IL 60603 3126306000 David W. Fox Jr Affiliate Common Northern Trust Securities, Inc. 50 South LaSalle Street Chicago IL 60603 20000 3356200 185827803 04/29/2026 NASDAQ Common 06/06/1994 Vested Shares Issuer N 330 06/06/1994 N/A Common 01/07/1997 Vested Shares Issuer N 19670 01/07/1997 N/A N David W. Fox Jr 50 South LaSalle Street Chicago IL 60603 Common 03/04/2026 3255 468361.95 David W. Fox Jr 50 South LaSalle Street Chicago IL 60603 Common 02/25/2026 1450 208872.5 04/28/2026 David A. Serna, Attorney-in-Fact for David W. Fox Jr