Unum Group — Director's Dealing 2012

Feb 24, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Unum Group (UNM)
CIK: 0000005513
Period of Report: 2012-02-21

Reporting Person: WATJEN THOMAS R (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-21	Common Stock	A	112420	—	Acquired	1002591	Direct
2012-02-22	Common Stock	F	8341	$23.28	Disposed	994250	Direct
2012-02-22	Common Stock	M	28080.178	—	Acquired	1022330	Direct
2012-02-22	Common Stock	D	28080.178	$23.28	Disposed	994250	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-21	Employee Stock Option (right to buy)	$23.35	A	178937	Acquired	2020-02-21	Common Stock (178937)	Direct
2012-02-21	Restricted Stock Units	$	A	112420	Acquired		Common Stock (112420)	Direct
2012-02-22	Restricted Stock Units	$	M	28080.178	Disposed		Common Stock (28080.178)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	12934.61	Indirect

Footnotes

F1: All are restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock ("stock-settled RSUs"), and which vest in three equal annual installments beginning on February 21, 2013.

F2: Includes 364,577 stock-settled RSUs and 638,013 shares of common stock. Fractional amounts have been rounded to the nearest whole number.

F3: Beneficial ownership amount accounts for the exempt acquisitions of an aggregate of 1,141.965 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4.

F4: Shares withheld to satisfy tax withholding obligation applicable to the vesting of 28,080.178 stock-settled RSUs.

F5: Includes 336,497 stock-settled RSUs and 657,753 shares of common stock. Fractional amounts have been rounded to the nearest whole number.

F6: Includes 336,497 stock-settled RSUs and 685,833 shares of common stock. Fractional amounts have been rounded to the nearest whole number.

F7: The options vest in three equal annual installments beginning on February 21, 2013.

F8: The restricted stock units may be settled solely in cash ("cash-settled RSUs"). Each cash-settled RSU is the economic equivalent of one share of common stock of the issuer.

F9: The cash-settled RSUs vest in three equal annual installments beginning on February 21, 2013. Vested units are to be settled within 30 days after the vesting date.

F10: Represents the portion of the cash-settled RSUs granted on February 22, 2011 (the "2011 cash-settled RSUs") that vested on February 22, 2012, including a total of 488.178 dividend equivalent rights accrued thereon.

F11: The 2011 cash-settled RSUs vest in three equal annual installments beginning on February 22, 2012. Vested units are to be settled within 30 days after the vesting date.

F12: Beneficial ownership amount accounts for the exempt acquisitions of a total of 1,473.695 dividend equivalent rights on the 2011 cash-settled RSUs pursuant to the reinvestment of dividends after the grant date. The rights accrued when and as dividends were paid on shares underlying the 2011 cash-settled RSUs and became vested proportionately with and subject to settlement upon the same terms as the 2011 cash-settled RSUs to which they related. Each dividend equivalent right is the economic equivalent of one share of common stock of the issuer.