X0306 4 2015-03-06 0000005513 Unum Group UNM 0001558734 O'Donnell Peter G 1 FOUNTAIN SQUARE CHATTANOOGA TN 37402 1 President & CEO, Unum UK Common Stock 2015-05-07 4 M 0 674 20.31 A 22605 D Employee Stock Option (right to buy) 30.09 2015-03-06 4 A 0 912 0 A 2018-05-01 2018-11-01 Common Stock 912 912 D Employee Stock Option (right to buy) 20.31 2015-05-07 4 M 0 674 0 D 2015-05-01 2015-11-01 Common Stock 674 0 D 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. 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. 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. The date on which the option becomes exercisable or expires may be postponed if monthly contribution amounts are not paid when due. /s/ Jullienne, J. Paul, Attorney-in-Fact 2016-02-09