Allison Transmission Holdings Inc. announced that Alvaro Garcia-Tunon has been appointed to its Board of Directors, effective immediately, following Marsha Mishler's decision to step down as a director. The Company also announced that Gregory Ledford will retire from the Allison Board when his current term expires at the 2016 Annual Meeting of Stockholders. Mr. Garcia-Tunon served as Chief Financial Officer of Wabtec Corporation, from March 2003 until his retirement from the Company in 2013.

Mr. Garcia-Tunon will serve as a Class II director with a term expiring at the 2017 Annual Meeting of Stockholders and will also serve as a member of the Board's Audit Committee. Alvaro Garcia-Tunon has served as a Strategic Adviser of Wabtec Corporation since his retirement in 2013. Prior to his retirement, Mr. Garcia-Tunon served as the Chief Financial Officer of Wabtec Corporation since March 2003.

Prior to that, he served in various positions of increasing responsibility at Westinghouse Air Brake Technologies Corporation, since 1995, including Treasurer, Secretary and Vice President of Finance.