X0306 4 2017-11-01 0000066740 3M CO MMM 0001465913 Delgado Joaquin 3M CENTER ST. PAUL MN 55144-1000 1 Executive Vice President Common Stock 2017-11-01 4 S 0 580 230.12 D 43416 D Common Stock 2017-11-01 4 S 0 400 230.14 D 43016 D Common Stock 2017-11-01 4 S 0 100 230.145 D 42916 D Common Stock 2017-11-01 4 S 0 700 230.15 D 42216 D Common Stock 2017-11-01 4 S 0 100 230.155 D 42116 D Common Stock 2017-11-01 4 S 0 500 230.16 D 41616 D Common Stock 2017-11-01 4 S 0 600 230.165 D 41016 D Common Stock 2017-11-01 4 S 0 200 230.17 D 40816 D Common Stock 2017-11-01 4 S 0 300 230.175 D 40516 D Common Stock 2017-11-01 4 S 0 500 230.18 D 40016 D Common Stock 2017-11-01 4 S 0 200 230.185 D 39816 D Common Stock 2017-11-01 4 S 0 100 230.19 D 39716 D Common Stock 2017-11-01 4 S 0 100 230.195 D 39616 D Common Stock 2017-11-01 4 S 0 496 230.20 D 39120 D Common Stock 2017-11-01 4 S 0 100 230.205 D 39020 D Common Stock 2017-11-01 4 S 0 504 230.21 D 38516 D Common Stock 2017-11-01 4 S 0 500 230.215 D 38016 D Common Stock 2017-11-01 4 S 0 200 230.225 D 37816 D Common Stock 2017-11-01 4 S 0 200 230.23 D 37616 D Common Stock 2017-11-01 4 S 0 500 230.2675 D 37116 D Common Stock 2017-11-01 4 S 0 180 230.28 D 36936 D Common Stock 2017-11-01 4 S 0 20 230.29 D 36916 D Common Stock 2017-11-01 4 S 0 100 230.295 D 36816 D Common Stock 2017-11-01 4 S 0 100 230.30 D 36716 D Common Stock 2017-11-01 4 S 0 200 230.32 D 36516 D Common Stock 2017-11-01 4 S 0 200 230.335 D 36316 D Common Stock 2017-11-01 4 S 0 100 230.35 D 36216 D Common Stock 2017-11-01 4 S 0 500 230.36 D 35716 D Common Stock 2017-11-01 4 S 0 200 230.37 D 35516 D 3 of 4 /s/ Sheila B. Claugherty, attorney-in-fact for Joaquin Delgado 2017-11-03