X0303 4 2010-04-21 0000036966 FIRST HORIZON NATIONAL CORP FHN 0001224964 BURKETT CHARLES G FIRST HORIZON NATIONAL CORPORATION 165 MADISON AVENUE MEMPHIS TN 38103 1 President - Banking Common Stock 2010-04-21 4 F 0 315 14.55 D 304654.5579 D Common Stock 68838 I 401(k) Plan /s/ John A. Niemoeller, attorney-in-fact 2010-04-23