Contact Information
| Investor Relations Contact |
| Raymond Posadas 317-242-3078 ir@allisontransmission.com |
| Media Contact |
| Melissa Sauer 317-242-5000 media@allisontransmission.com |
| Transfer Agent |
| American Stock Transfer & Trust Company, LLC 6201 15th Avenue Brooklyn, NY 11219 1-800-937-5449 |
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