SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* WATJEN THOMAS R (Last) (First) (Middle) 1 FOUNTAIN SQUARE (Street) CHATTANOOGA TN 37402 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Unum Group [ UNM ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner X Officer (give title below) Other (specify below) President and CEO
	3. Date of Earliest Transaction (Month/Day/Year) 02/21/2013
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/21/2013		A		56,972(1)	A	$0	996,564(2)(3)	D
Common Stock	02/21/2013		F		14,709(4)	D	$23.97	981,855(5)	D
Common Stock	02/21/2013		M		38,375.035	A	$0	1,020,230.035(6)	D
Common Stock	02/21/2013		D		38,375.035	D	$23.97	981,855(5)	D
Common Stock								13,219.9461	I	By 401(k) Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(7)	02/21/2013		A		56,972		(8)	(8)	Common Stock	56,972	$0	56,972	D
Restricted Stock Units	(7)	02/21/2013		M			38,375.035(9)	(10)	(10)	Common Stock	38,375.035(9)	$0	76,763.391(11)	D

Explanation of Responses:

1. 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, 2014.

2. Includes 265,096 stock-settled RSUs and 731,468 shares of common stock. Fractional amounts have been rounded to the nearest whole number.

3. Beneficial ownership amount accounts for the exempt acquisition of an aggregate of 1,100.291 stock-settled RSUs pursuant to the reinvestment of dividends since the date of the reporting person's prior Form 4.

4. Shares withheld to satisfy tax withholding obligation applicable to the vesting of 38,375.035 stock-settled RSUs.

5. Includes 226,721 stock-settled RSUs and 755,134 shares of common stock. Fractional amounts have been rounded to the nearest whole number.

6. Includes 226,721 stock-settled RSUs and 793,509 shares of common stock. Fractional amounts have been rounded to the nearest whole number.

7. 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.

8. The cash-settled RSUs vest in three equal annual installments beginning on February 21, 2014. Vested units are to be settled within 30 days after the vesting date.

9. Represents the portion of the cash-settled RSUs granted on February 21, 2012 (the "2012 cash-settled RSUs") that vested on February 21, 2013, including a total of 902.035 dividend equivalent rights accrued thereon.

10. The 2012 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.

11. Beneficial ownership amount accounts for the exempt acquisitions of a total of 2,718.426 dividend equivalent rights on the 2012 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 2012 cash-settled RSUs and became vested proportionately with and subject to settlement upon the same terms as the 2012 cash-settled RSUs to which they related. Each dividend equivalent right is the economic equivalent of one share of common stock of the issuer.

	/s/ Jullienne, J. Paul, Attorney-in-Fact	02/22/2013
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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