FIRST HORIZON CORP — Director's Dealing 2007

Mar 15, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST HORIZON NATIONAL CORP (FHN)
CIK: 0000036966
Period of Report: 2007-03-14

Reporting Person: OCONNOR JOHN P JR (EVP & Chief Credit Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-03-14	Common Stock	M	8878	$21.13	Acquired	181570	Direct
2007-03-14	Common Stock	F	4747	$39.525	Disposed	176823	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-03-14	Stock Options (Right to buy)	$21.13	M	8878	Disposed	2007-04-16	Common Stock (8878)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	86803	Indirect

Footnotes

F1: End-of-period total may include adjustment reflecting exempt acquisitions under Issuer's 401(k) Plan.