X0306 4 2017-02-14 0000066740 3M CO MMM 0001465913 Delgado Joaquin 3M CENTER ST. PAUL MN 55144-1000 1 Executive Vice President Common Stock 2017-02-14 4 S 0 76 181.74 D 37798 D Common Stock 2017-02-14 4 S 0 1796 181.7422 D 36002 D Common Stock 2017-02-14 4 S 0 576 181.75 D 35426 D Common Stock 2017-02-14 4 S 0 62 181.76 D 35364 D Common Stock 2017-02-14 4 S 0 201 181.77 D 35163 D Common Stock 2017-02-14 4 S 0 100 181.774 D 35063 D Common Stock 2017-02-14 4 S 0 1500 181.775 D 33563 D Common Stock 2017-02-14 4 M 0 8440 77.18 A 42003 D Common Stock 2017-02-14 4 S 0 200 181.30 D 41803 D Common Stock 2017-02-14 4 S 0 393 181.31 D 41410 D Common Stock 2017-02-14 4 S 0 507 181.32 D 40903 D Common Stock 2017-02-14 4 S 0 50 181.34 D 40853 D Common Stock 2017-02-14 4 S 0 100 181.35 D 40753 D Common Stock 2017-02-14 4 S 0 1035 181.38 D 39718 D Common Stock 2017-02-14 4 S 0 100 181.39 D 39618 D Common Stock 2017-02-14 4 S 0 533 181.40 D 39085 D Common Stock 2017-02-14 4 S 0 1080 181.41 D 38005 D Common Stock 2017-02-14 4 S 0 202 181.42 D 37803 D Common Stock 2017-02-14 4 S 0 232 181.43 D 37571 D Common Stock 2017-02-14 4 S 0 568 181.44 D 37003 D Common Stock 2017-02-14 4 S 0 200 181.45 D 36803 D Common Stock 2017-02-14 4 S 0 600 181.46 D 36203 D Common Stock 2017-02-14 4 S 0 100 181.49 D 36103 D Common Stock 2017-02-14 4 S 0 200 181.50 D 35903 D Common Stock 2017-02-14 4 S 0 300 181.51 D 35603 D Common Stock 2017-02-14 4 S 0 200 181.53 D 35403 D Common Stock 2017-02-14 4 S 0 257 181.54 D 35146 D Common Stock 2017-02-14 4 S 0 157 181.55 D 34989 D Common Stock 2017-02-14 4 S 0 284 181.56 D 34705 D 1 of 2 /s/ Sheila B. Claugherty, attorney-in-fact for Joaquin Delgado 2017-02-15