Allison Transmission — May 4, 2026 release

Including one-time costs, the Allison Off-Highway acquisition is expected to be accretive to net income and diluted EPS in 2026     •   Consolidated adjusted EBITDA in the range of $1,365 to $1,515 million     •   Consolidated net cash provided by operating activities in the range of $970 to $1,100 million, including approximately $55 million of one-time cash outlays associated with the acquisition of the Allison Off-Highway business unit     •   Consolidated capital expenditures in the range of $295 to $315 million, including one-time separation and integration capital expenditures of approximately $45 million     •   Consolidated adjusted free cash flow in the range of $655 to $805 million   3 Conference Call and Webcast The Company will host a conference call at 5:00 p.m. EDT on Monday, May 4, 2026 to discuss its first quarter 2026 results. The dial-in phone number for the conference call is +1-877-425-9470 and the international dial-in number is +1-201-389-0878. A live webcast of the conference call will also be available online at https://ir.allisontransmission.com. For those unable to participate in the conference call, a replay will be available from 9:00 p.m. EDT on May 4 until 11:59 p.m. EDT on May 18. The replay dial-in phone number is +1-844-512-2921 and the international replay dial-in number is +1-412-317-6671. The replay passcode is 13760157. About Allison Allison (NYSE: ALSN) is a global leader in high-performance mobility and work solutions built for the needs of the modern industrial world. Allison operates through two business units: Allison Transmission and Allison Off-Highway Drive & Motion Systems. Headquartered in Indianapolis, Indiana, U