FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

O'Donnell Peter G 		2. Issuer Name and Ticker or Trading Symbol

Unum Group [ UNM ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
President & CEO, Unum UK
(Last)          (First)          (Middle)

1 FOUNTAIN SQUARE 		3. Date of Earliest Transaction (MM/DD/YYYY)

3/6/2015
(Street)

CHATTANOOGA, TN 37402
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   5/7/2015     M    674   (1) A $20.31   22605   (2) D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 of Derivative Security: 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
Employee Stock Option (right to buy)   $30.09   3/6/2015     A      912   (3)      5/1/2018   (4) 11/1/2018   (4) Common Stock   912   (3) $0   912   (3) D    
Employee Stock Option (right to buy)   $20.31   5/7/2015     M         674   (1)   5/1/2015   11/1/2015   Common Stock   674   (1) $0   0   D    

Explanation of Responses:
( 1)  Shares of common stock acquired upon the exercise of options granted under the Unum European Holding Company Limited Savings-Related Share Option Scheme 2011 (the "2011 UEHCL Plan"), a plan for UK employees similar to a US-based employee stock purchase plan, based on the reporting person's contributions to a savings account over a three-year period and a currency exchange rate of ?1 = $1.52108 on the date of exercise.
( 2)  Includes 12,270 restricted stock units, which may be settled, on a 1-for-1 basis, only in shares of common stock, and 10,335 shares of common stock. Fractional amounts have been rounded to the nearest whole number.
( 3)  Represents the maximum number of shares of common stock that may be purchased under the 2011 UEHCL Plan based on the reporting person's expected contributions to a savings account over a three-year period and a currency exchange rate of ?1 = $1.52447 as of the date of grant. The actual number of shares that may be purchased upon exercise of the option may be higher or lower depending on the currency exchange rate in effect at the time of exercise.
( 4)  The date on which the option becomes exercisable or expires may be postponed if monthly contribution amounts are not paid when due.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
O'Donnell Peter G
1 FOUNTAIN SQUARE
CHATTANOOGA, TN 37402

President & CEO, Unum UK

Signatures
/s/ Jullienne, J. Paul, Attorney-in-Fact 2/9/2016
** 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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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