Allison Transmission (ALSN) Proxy filing summary

Executive summary

• Annual meeting scheduled for May 6, 2026, with virtual participation available to shareholders.

• Shareholders are encouraged to review proxy materials online or request copies before voting.

Voting matters and shareholder proposals

• Election of nine directors is on the agenda, with board recommendations for each nominee.

• Ratification of PricewaterhouseCoopers LLP as independent registered public accounting firm for 2026.

• Advisory non-binding vote on executive compensation for named executive officers.

• Proxies may vote on other business that arises during the meeting at their discretion.

Board of directors and corporate governance

• Board recommends all nine director nominees for election at the annual meeting.