X0303 4 2010-02-23 0 0000005513 Unum Group UNM 0001184085 BEST ROBERT O 1 FONTAIN SQUARE CHATTANOOGA TN 37402 0 1 0 0 EVP, COO, Unum US Common Stock 2010-02-23 4 F 0 2551.0 20.83 D 197199.0 D Common Stock 2010-02-23 4 F 0 2143.0 21.01 D 195056.0 D Common Stock 2010-02-24 4 F 0 4749.0 20.93 D 190307.0 D Common Stock 3930.0 I By 401(k) Plan Represents shares withheld to satisfy tax withholding obligation upon vesting of 9,103 shares of restricted stock. Includes 74,125 restricted stock units (which amount includes the exempt acquisition of an aggregate of approximately 880 RSUs resulting from the reinvestment of dividends after the date of the reporting person's prior Form 4), 4,678 shares in the company ESPP, and 118,396 shares held outside any plan. Represents shares withheld to satisfy tax withholding obligation upon vesting of 8,569.133 restricted stock units. Includes 65,556 restricted stock units, 4,678 shares in the company ESPP, and 124,822 shares held outside any plan. Represents shares withheld to satisfy tax withholding obligation upon vesting of 18,995.8 restricted stock units. Includes 46,560 restricted stock units, 4,678 shares in the company ESPP, and 139,069 shares held outside any plan. /s/ Jullienne, J. Paul, Attorney-in-Fact 2010-02-25