Investor Relations Contact
Timothy Stachel
Investor Relations Analyst
317-242-3662
ir@allisontransmission.com

Media Contact
Claire Gregory
Director of Communications and Media Relations
317-694-2065
Claire.Gregory@allisontransmission.com

Transfer Agent
American Stock Transfer & Trust Company, LLC
6201 15th Avenue
Brooklyn, NY 11219
1-800-937-5449

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