X0203 3 2010-04-20 0 0000073124 NORTHERN TRUST CORP NTRS 0001478669 SMITH DAVID BYRON JR 50 SOUTH LASALLE STREET CHICAGO IL 60603 1 0 0 0 Common Stock 12000 D Common Stock 1362880 I By Trust Common Stock 1064 I By Trust Common Stock 1064 I By Trust Common Stock 1064 I By Trust These shares are held in a trust of which the reporting person has a partial direct pecuniary interest. These shares are held in a trust for the benefit of the reporting person's minor child, of which the reporting person is a co-trustee. These shares are held in a trust for the benefit of the reporting person's minor child, of which the reporting person is a co-trustee. These shares are held in a trust for the benefit of the reporting person's minor child, of which the reporting person is a co-trustee. Paul A. Bernacki, Attorney-in-Fact for David H.B. Smith, Jr. 2010-04-22