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 0 100 229.93 D 52696 D Common Stock 2017-11-01 4 S 0 200 229.94 D 52496 D Common Stock 2017-11-01 4 S 0 296 229.96 D 52200 D Common Stock 2017-11-01 4 S 0 899 229.97 D 51301 D Common Stock 2017-11-01 4 S 0 100 229.9756 D 51201 D Common Stock 2017-11-01 4 S 0 200 229.98 D 51001 D Common Stock 2017-11-01 4 S 0 200 229.985 D 50801 D Common Stock 2017-11-01 4 S 0 1105 229.99 D 49696 D Common Stock 2017-11-01 4 S 0 100 229.995 D 49596 D Common Stock 2017-11-01 4 S 0 50 230.00 D 49546 D Common Stock 2017-11-01 4 S 0 350 230.01 D 49196 D Common Stock 2017-11-01 4 S 0 100 230.015 D 49096 D Common Stock 2017-11-01 4 S 0 500 230.02 D 48596 D Common Stock 2017-11-01 4 S 0 339 230.03 D 48257 D Common Stock 2017-11-01 4 S 0 21 230.04 D 48236 D Common Stock 2017-11-01 4 S 0 100 230.045 D 48136 D Common Stock 2017-11-01 4 S 0 1020 230.05 D 47116 D Common Stock 2017-11-01 4 S 0 620 230.06 D 46496 D Common Stock 2017-11-01 4 S 0 100 230.0635 D 46396 D Common Stock 2017-11-01 4 S 0 400 230.07 D 45996 D Common Stock 2017-11-01 4 S 0 299 230.08 D 45697 D Common Stock 2017-11-01 4 S 0 300 230.085 D 45397 D Common Stock 2017-11-01 4 S 0 401 230.09 D 44996 D Common Stock 2017-11-01 4 S 0 100 230.095 D 44896 D Common Stock 2017-11-01 4 S 0 400 230.10 D 44496 D Common Stock 2017-11-01 4 S 0 100 230.105 D 44396 D Common Stock 2017-11-01 4 S 0 300 230.11 D 44096 D Common Stock 2017-11-01 4 S 0 100 230.115 D 43996 D Common Stock 2017-11-01 4 S 0 620 230.13 D 43376 D 2 of 4 /s/ Sheila B. Claugherty, attorney-in-fact for Joaquin Delgado 2017-11-03