Annual Meeting

2023 Annual Meeting of Stockholders

Date:

May 3, 2023

Time:

10:00 a.m. EDT

Location:

Virtual-Only

URL:

www.virtualshareholdermeeting.com/ALSN2023

All Stockholders Proxy Voting

All stockholders were mailed a Notice of Internet Availability of Proxy Materials. The Notice provides detailed instructions on how to vote your shares via mail, phone or online at http://www.proxyvote.com.

HOW TO ATTEND THE ANNUAL MEETING

In order to attend the Annual Meeting, please visit www.virtualshareholdermeeting.com/ALSN2023 and enter the 16-digit control number included in your Notice of Internet Availability of Proxy Materials or on your proxy card or voting instruction form. Online access to the 2023 Annual Meeting will begin at 9:45 p.m. Eastern Time on May 3, 2023 to allow time to log-in and test your device’s audio system. Stockholders are encouraged to access the Annual Meeting in advance of the designated start time.