Registered stockholders of Northern Trust Corporation Common Stock who need to change their address, obtain information on dividend payments, or transfer shares should contact:
EQ Shareowner Services
P. O. Box 64854
St. Paul, MN 55164-0854
or
1110 Centre Pointe Curve, Suite 101
Mendota Heights, MN 55120
Phone: 800-468-9716 or 651-450-4064
Fax: 651-450-4033