Judy L. Altmaier has served as a director of Allison Transmission Holdings, Inc. since February 2019. Ms. Altmaier, age 57, served as the President of Exmark Manufacturing Co, a subsidiary of The Toro Company, from 2013 until her retirement in January 2019. Prior to that, she was Vice President, Operations and Quality Management of The Toro Company from 2009 until 2013. Before joining Toro, Ms. Altmaier spent more than 25 years with Eaton Corporation, holding positions of increasing responsibility including Vice President of Operations, Auto Group Americas during 2009 and Vice President, General Manager Global Engine Valve Division in Turin, Italy from 2007 until 2009. Ms. Altmaier joined Eaton in 1983 as an accountant.