Unum Group — Director's Dealing 2008

Apr 1, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Unum Group (UNM)
CIK: 0000005513
Period of Report: 2008-03-28

Reporting Person: RELATIONAL INVESTORS LLC (10% Owner)
Reporting Person: WHITWORTH RALPH V (10% Owner)
Reporting Person: BATCHELDER DAVID H (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-03-28	Common Stock	P	650000	$21.90	Acquired	35395908	Indirect
2008-03-31	Common Stock	P	567122	$22.02	Acquired	35963030	Indirect

Footnotes

F1: Relational Investors, LLC, is the sole general partner of Relational Investors, L.P., Relational Fund Partners, L.P., Relational Coast Partners, L.P., Relational Partners, L.P., RH Fund 1, L.P., RH Fund 2, L.P., RH Fund 4, L.P., RH Fund 6, L.P., RH Fund 7, L.P., Relational Investors VIII, L.P., Relational Investors IX, L.P., Relational Investors XI, L.P., Relational Investors XV, L.P., Relational Investors XVI, L.P., Relational Investors XX, L.P., Relational Investors XXII, L.P., and the sole managing member of Relational Asset Management LLC and Relational Investors X GP LLC which serve as the sole general partners of Relational Investors III, L.P. and Relational Investors X, L.P., respectively.

F2: These Limited Partnerships own a total of 30,873,216 shares. An additional 5,089,814 shares are held in accounts managed by Relational Investors, LLC. All shares are owned indirectly by Relational Investors, LLC, and by Ralph V. Whitworth and David H. Batchelder (each of which is a reporting person hereunder), principals of Relational Investors, LLC. The reporting persons disclaim beneficial ownership of these securities except to the extent of their pecuniary interest therein.