Allison Transmission Holdings in $319.5 Million Secondary Equity Offering

December 16, 2013

Cleary Gottlieb represented Credit Suisse Securities as underwriter in a registered follow-on offering of shares of common stock of Allison Transmission Holdings, Inc. through a block trade.

All of the shares of common stock offered were sold by the selling shareholders, The Carlyle Group, Onex Corporation and their affiliates, who offered 12,500,000 shares of common stock, resulting in aggregate proceeds of $319.5 million. The Company did not sell any shares or receive any proceeds from the offering. The deal priced on December 10 and closed on December 16. Cleary Gottlieb also acted as counsel to the underwriters in previous Allison Transmission Holdings, Inc. secondary equity offerings in August and November of 2013, as well as the initial public offering in March 2012.

Allison is the world’s largest manufacturer of fully-automatic transmissions for medium- and heavy-duty commercial vehicles, medium- and heavy-tactical U.S. military vehicles and hybrid-propulsion systems for transit buses. Allison transmissions are used in a variety of applications including on-highway trucks (distribution, refuse, construction, fire and emergency), buses (primarily school and transit), motor homes, off-highway vehicles and equipment (primarily energy and mining) and military vehicles (wheeled and tracked).