Sec Form 4 Filing - WATJEN THOMAS R @ Unum Group - 2015-02-24

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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person WATJEN THOMAS R 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 (Last) (First) (Middle) 1 FOUNTAIN SQUARE 3. Date of Earliest Transaction (MM/DD/YY) 02/24/2015 (Street) CHATTANOOGA, TN37402 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 02/24/2015 A 44,014 ( 1 ) A $ 0 427,641 ( 2 ) D Common Stock 02/25/2015 M 14,795.719 A $ 0 442,437 ( 3 ) D Common Stock 02/25/2015 D 14,795.719 D $ 34.08 427,641 ( 2 ) D Common Stock 02/25/2015 F 5,860 ( 4 ) D $ 33.88 421,781 ( 5 ) D Common Stock 02/25/2015 S( 6 ) 37,767 D $ 33.8749 ( 7 ) 384,014 ( 8 ) D Common Stock 13,619.05 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 Derivati ve Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 Restricted Stock Units ( 9 ) 02/24/2015 A 44,014 ( 10 ) ( 10 ) Common Stock 44,014 $ 0 44,014 D Restricted Stock Units ( 9 ) 02/25/2015 M 14,795.719 ( 11 ) ( 12 ) ( 12 ) Common Stock 14,795.719 ( 11 ) $ 0 29,596.532 ( 13 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other WATJEN THOMAS R 1 FOUNTAIN SQUARE CHATTANOOGA, TN37402 X President and CEO Signatures /s/ Jullienne, J. Paul, Attorney-in-Fact 02/26/2015 Signature of Reporting Person Date

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 24, 2016. ( 2 )Includes 108,154 stock-settled RSUs and 319,487 shares of common stock. Fractional amounts have been rounded to the nearest whole number. ( 3 )Includes 122,950 stock-settled RSUs and 319,487 shares of common stock. Fractional amounts have been rounded to the nearest whole number. ( 4 )Shares withheld to satisfy tax withholding obligation applicable to the vesting of 14,795.719 stock-settled RSUs. ( 5 )Includes 93,358 stock-settled RSUs and 328,423 shares of common stock. Fractional amounts have been rounded to the nearest whole number. ( 6 )These sale transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 10, 2014. ( 7 )Reflects the weighted average price for multiple sale transactions ranging in price from $33.78 per share to $34.15 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. ( 8 )Includes 93,358 stock-settled RSUs and 290,656 shares of common stock. Fractional amounts have been rounded to the nearest whole number. ( 9 )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. ( 10 )The 2015 cash-settled RSUs vest in three equal annual installments beginning on February 24, 2016. Vested units are to be settled within 30 days after the vesting date. ( 11 )Represents the portion of the cash-settled RSUs granted on February 25, 2014 (the "2014 cash-settled RSUs") that vested on February 25, 2015, including a total of 275.719 dividend equivalent rights accrued thereon. ( 12 )The 2014 cash-settled RSUs vest in three equal annual installments beginning on February 25, 2015. Vested units are to be settled within 30 days after the vesting date. ( 13 )Beneficial ownership amount accounts for the exempt acquisitions of a total of 830.251 dividend equivalent rights on the 2014 cash-settled RSUs pursuant to the reinvestment of dividends after February 25, 2014. The rights accrued when and as dividends were paid on shares underlying the 2014 cash-settled RSUs and became vested proportionately with and subject to settlement upon the same terms as the 2014 cash-settled RSUs to which they related. Each dividend equivalent right is the economic equivalent of one share of common stock of the issuer.

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