X0306 4 2018-01-31 0000066740 3M CO MMM 0001263739 THULIN INGE G 3M CENTER ST. PAUL MN 55144-1000 1 1 Chairman, President & CEO Common Stock 2018-01-31 4 M 0 59584 54.11 A 253872.9578 D Common Stock 2018-01-31 4 S 0 23375 251.07 D 230497.9578 D Common Stock 2018-01-31 4 S 0 6 251.08 D 230491.9578 D Common Stock 2018-01-31 4 S 0 10 251.10 D 230481.9578 D Common Stock 2018-01-31 4 S 0 100 251.11 D 230381.9578 D Common Stock 2018-01-31 4 S 0 527 251.13 D 229854.9578 D Common Stock 2018-01-31 4 S 0 900 251.14 D 228954.9578 D Common Stock 2018-01-31 4 S 0 2088 251.19 D 226866.9578 D Common Stock 2018-01-31 4 S 0 1529 251.20 D 225337.9578 D Common Stock 2018-01-31 4 S 0 1140 251.21 D 224197.9578 D Common Stock 2018-01-31 4 S 0 700 251.235 D 223497.9578 D Common Stock 2018-01-31 4 S 0 1216 251.26 D 222271.9578 D Common Stock 2018-01-31 4 S 0 10 251.25 D 223487.9578 D Common Stock 2018-01-31 4 S 0 100 251.27 D 222171.9578 D Common Stock 2018-01-31 4 S 0 103 251.30 D 222068.9578 D Common Stock 2018-01-31 4 S 0 200 251.34 D 221868.9578 D Common Stock 2018-01-31 4 S 0 100 251.38 D 221768.9578 D Common Stock 2018-01-31 4 S 0 300 251.43 D 221368.9578 D Common Stock 2018-01-31 4 S 0 100 251.39 D 221668.9578 D Common Stock 2018-01-31 4 S 0 285 251.50 D 221083.9578 D Common Stock 2018-01-31 4 S 0 300 251.51 D 220783.9578 D Common Stock 2018-01-31 4 S 0 301 251.52 D 220482.9578 D Common Stock 2018-01-31 4 S 0 175 251.53 D 220307.9578 D Common Stock 2018-01-31 4 S 0 411 251.54 D 219896.9578 D Common Stock 2018-01-31 4 S 0 100 251.55 D 219796.9578 D Common Stock 2018-01-31 4 S 0 160 251.56 D 219636.9578 D Common Stock 2018-01-31 4 S 0 100 251.57 D 219536.9578 D Common Stock 2018-01-31 4 S 0 700 251.58 D 218836.9578 D Common Stock 2018-01-31 4 S 0 200 251.59 D 218636.9578 D Common Stock 1576 I By 401k/paesop Trust 1 of 4 /s/ Sheila B. Claugherty, attorney-in-fact for Inge G. Thulin 2018-02-01