X0303 4 2011-05-04 0000066740 3M CO MMM 0001465913 Delgado Joaquin 3M CENTER ST. PAUL MN 55144-1000 1 Executive Vice President Common Stock 2011-05-04 4 M 0 16590 61.85 A 22674 D Common Stock 2011-05-04 4 S 0 200 95.95 D 22474 D Common Stock 2011-05-04 4 S 0 600 95.97 D 21874 D Common Stock 2011-05-04 4 S 0 100 95.985 D 21774 D Common Stock 2011-05-04 4 S 0 200 95.99 D 21574 D Common Stock 2011-05-04 4 S 0 100 95.995 D 21474 D Common Stock 2011-05-04 4 S 0 200 96.00 D 21274 D Common Stock 2011-05-04 4 S 0 100 96.015 D 21174 D Common Stock 2011-05-04 4 S 0 700 96.02 D 20474 D Common Stock 2011-05-04 4 S 0 100 96.025 D 20374 D Common Stock 2011-05-04 4 S 0 100 96.035 D 20274 D Common Stock 2011-05-04 4 S 0 400 96.04 D 19874 D Common Stock 2011-05-04 4 S 0 516 96.05 D 19358 D Common Stock 2011-05-04 4 S 0 100 96.0521 D 19258 D Common Stock 2011-05-04 4 S 0 200 96.055 D 19058 D Common Stock 2011-05-04 4 S 0 700 96.06 D 18358 D Common Stock 2011-05-04 4 S 0 884 96.07 D 17474 D Common Stock 2011-05-04 4 S 0 100 96.075 D 17374 D Common Stock 2011-05-04 4 S 0 600 96.08 D 16774 D Common Stock 2011-05-04 4 S 0 200 96.085 D 16574 D Common Stock 2011-05-04 4 S 0 1000 96.09 D 15574 D Common Stock 2011-05-04 4 S 0 100 96.0918 D 15474 D Common Stock 2011-05-04 4 S 0 700 96.10 D 14774 D Common Stock 2011-05-04 4 S 0 582 96.11 D 14192 D Common Stock 2011-05-04 4 S 0 658 96.12 D 13534 D Common Stock 2011-05-04 4 S 0 300 96.13 D 13234 D Common Stock 2011-05-04 4 S 0 560 96.14 D 12674 D Common Stock 2011-05-04 4 S 0 600 96.15 D 12074 D Common Stock 2011-05-04 4 S 0 100 96.155 D 11974 D Common Stock 2011-05-04 4 S 0 500 96.16 D 11474 D /s/ George Ann Biros, attorney-in-fact for Joaquin Delgado 2011-05-05