X0202 4 2007-12-03 0 0001260221 TransDigm Group INC TDG 0001352573 Howley W Nicholas 1301 EAST NINTH STREET SUITE 3710 CLEVELAND OH 44114 0 1 0 0 Chief Executive Officer Common Stock 2007-12-03 4 S 0 172 47.24 D 15396 D Common Stock 2007-12-03 4 S 0 259 47.25 D 15137 D Common Stock 2007-12-03 4 S 0 172 47.27 D 14965 D Common Stock 2007-12-03 4 S 0 602 47.29 D 14363 D Common Stock 2007-12-03 4 S 0 344 47.38 D 14019 D Common Stock 2007-12-03 4 S 0 443 47.40 D 13576 D Common Stock 2007-12-03 4 S 0 172 47.44 D 13404 D Common Stock 2007-12-03 4 S 0 430 47.45 D 12974 D Common Stock 2007-12-03 4 S 0 172 47.46 D 12802 D Common Stock 2007-12-03 4 S 0 344 47.47 D 12458 D Common Stock 2007-12-03 4 S 0 1189 47.49 D 11269 D Common Stock 2007-12-03 4 S 0 87 47.50 D 11182 D Common Stock 2007-12-03 4 S 0 258 47.51 D 10924 D Common Stock 2007-12-03 4 S 0 602 47.55 D 10322 D Common Stock 2007-12-03 4 S 0 87 47.56 D 10235 D Common Stock 2007-12-03 4 S 0 172 47.57 D 10063 D Common Stock 2007-12-03 4 S 0 600 47.58 D 9463 D Common Stock 2007-12-03 4 S 0 258 47.62 D 9205 D Common Stock 2007-12-03 4 S 0 172 47.65 D 9033 D Common Stock 2007-12-03 4 S 0 1204 47.78 D 7829 D Common Stock 2007-12-03 4 S 0 3 47.79 D 7826 D Common Stock 2007-12-03 4 S 0 774 47.81 D 7052 D Common Stock 2007-12-03 4 S 0 508 47.82 D 6544 D Common Stock 2007-12-03 4 S 0 2 47.83 D 6542 D Common Stock 2007-12-03 4 S 0 5 47.88 D 6537 D Common Stock 2007-12-03 4 S 0 86 47.89 D 6451 D Common Stock 2007-12-03 4 S 0 516 47.93 D 5935 D Common Stock 2007-12-03 4 S 0 172 48.00 D 5763 D Common Stock 2007-12-03 4 S 0 429 48.01 D 5334 D Common Stock 2007-12-03 4 S 0 1 48.02 D 5333 D All transactions reported hereunder made pursuant to an established 10b5-1 plan. Halle Fine Terrion, as attorney-in-fact for W. Nicholas Howley 2007-12-04