X0306 4 2014-02-04 0000066740 3M CO MMM 0001592355 Little Frank R Jr. 3M CENTER ST. PAUL MN 55144-1000 1 Executive Vice President Common Stock 2014-02-04 4 A 0 1647.881 0 A 1894.881 D Common Stock 2014-02-04 4 F 0 559 126.72 D 1335.881 D Non-qualified Stock Option (Right to Buy) 126.72 2014-02-04 4 A 0 30690 0 A 2015-02-04 2024-02-02 Common Stock 30690 30690 D This transaction reflects the imminent delivery of 1647.8810 shares of 3M Common Stock earned as the result of the vesting of the 2011 performance shares awarded to the reporting person under the 3M Long-Term Incentive Plan. The number of shares withheld for taxes are estimated and will be revised by amendment, if necessary. This option becomes exercisable in equal installments on each of the first three anniversaries of the grant date (2/4/2014). /s/ George Ann Biros, attorney-in-fact for Frank R. Little 2014-02-06