X0306 4 2013-07-10 0001411207 Allison Transmission Holdings Inc ALSN 0001543509 Wanaselja James L. ONE ALLISON WAY INDIANAPOLIS IN 46222 0 1 0 0 VP, NA Mkt Sales & Service Common Stock 2013-07-10 4 M 0 3446 12.66 A 28057 D Common Stock 2013-07-10 4 S 0 3446 24.519 D 24611 D Common Stock 2013-07-11 4 M 0 13354 12.66 A 37965 D Common Stock 2013-07-11 4 S 0 13354 24.6553 D 24611 D Employee Stock Option (right to buy) 12.66 2013-07-10 4 M 0 3446 0 D 2017-09-30 Common Stock 3446 234443 D Employee Stock Option (right to buy) 12.66 2013-07-11 4 M 0 13354 0 D 2017-09-30 Common Stock 13354 221089 D The exercise reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 22, 2013. The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from 24.5000 to 24.5900. The reporting person undertakes to provide the Company, any security holder of the Company or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set fort in this footnote. The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from 24.5000 to 24.7800. The reporting person undertakes to provide the Company, any security holder of the Company or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set fort in this footnote. The option vested in five equal annual installments beginning on August 7, 2008. /s/ Eric C. Scroggins, attorney-in-fact 2013-07-12