X0306 4 2017-05-25 0000005513 Unum Group UNM 0001024525 KABAT KEVIN T 1 FOUNTAIN SQUARE CHATTANOOGA TN 37402 1 Common Stock 2017-05-25 4 A 0 3304 0 A 58270 D All are restricted stock units ("RSUs") vesting on May 25, 2018. Includes 8,858 deferred share rights ("DSRs"), 26,181 RSUs, and 23,230 shares of common stock. All DSRs and RSUs may be settled, on a 1-for-1 basis, only in shares of common stock. Fractional amounts have been rounded to the nearest whole number. Beneficial ownership amount accounts for the delivery of shares of common stock upon the settlement of 876.815 DSRs and 1,315.226 RSUs, and the exempt acquisitions of an aggregate of 182.955 DSRs and 454.665 RSUs pursuant to the reinvestment of dividends, since the date of the reporting person's prior Form 4. /s/ Jullienne, J. Paul, Attorney-in-Fact 2017-05-30