Thomas W. Rabaut has served as a Director of Allison Transmission Holdings, Inc. since August 2007. Mr. Rabaut, currently serves as an Operating Executive for The Carlyle Group, a global alternative asset management firm, and has held that position since 2007. In that capacity, he has fulfilled a number of executive roles including current Chairman of Walbro, LLC, and past Chairman of SIGNODE Industries. Veyance Technologies and ARINC Industries, Inc. He also serves on the board of KAMAN Corporation and is Chairman of the Board of Saab Defence and Security LLC. Mr. Rabaut also served on the board of CYTEC Industries Inc. until it was recently acquired by the SOLVAY Group. Prior to joining Carlyle as an Operating Executive, Mr. Rabaut served as President of Land and Armaments Group BAE Systems from 2005 to 2007. From 1994 to 2005, he was the President and CEO of United Defense Industries, Inc., or United Defense. It was a global leader in the design, development and production of military systems, including combat vehicles, naval guns, missile launching systems, and the upgrade and repair of U. S. Navy ships. It was one of Carlyle’s most successful investments and was acquired by BAE Systems in 2005. Prior to his tenure at United Defense, Mr. Rabaut served 17 years in primarily general management positions in FMC Corporation. This included business activities in a variety of industries including power transmission, petroleum equipment and defense.

Mr. Rabaut is a graduate of the United States Military Academy at West Point and the Harvard Graduate School of Business, is a qualified U. S. Army Ranger and served overseas in the U.S. Army as a Military Intelligence Officer from 1971-1975. Mr. Rabaut currently serves on the Council of Trustees of the Association of the U. S. Army and on the board of the Washington, DC Chapter of the Posse Foundation.