INDIANAPOLIS, Oct. 2, 2026 /PRNewswire/ — Allison Transmission Holdings, Inc. (NYSE: ALSN) (“Allison” or the “Company”) announced the completion of its partial redemption of $100 million aggregate principal amount of its 4.750% Senior Notes due 2027 (the “notes”) on September 30, 2026 (the “redemption date”), pursuant to its optional redemption right under the indenture governing the notes, dated as of September 26, 2017.

On the redemption date, the notes were redeemed at a redemption price of 100.00% of the principal amount thereof plus accrued and unpaid interest to, but not including, the redemption date. Following the completion of the partial redemption, $300 million aggregate principal amount of the notes remain outstanding.

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, USA, the Company manufactures solutions which offer industry-leading value propositions across vital sectors such as infrastructure, mining, energy, agriculture, construction, transportation and national security. For over 110 years, Allison has been recognized as a reliable partner of choice, keeping essential industries moving anytime, in over 150 countries around the world.