TIMKEN CO

The enclosed proxy is solicited by the Board of Directors (also referred to as the “Board”) of The Timken Company, an Ohio corporation (the “Company,” “Timken,” “we,” or “us”), in connection with the 2025 Annual Meeting of Shareholders to be held on Friday, May 2, 2025, at 10:00 a.m. Eastern Time in an online-only format, with attendance via the internet, and at any adjournments and postponements thereof, for the purpose of considering and acting upon the matters specified in the foregoing Notice. The approximate date this Proxy Statement and Proxy Card will be first sent or given to our shareholders is March 17, 2025.

Instructions for attending the online-only meeting are available in the accompanying Notice of 2025 Annual Meeting of Shareholders and under the section titled “Participation at the Annual Meeting” on page 86.

The Board of Directors is not aware of matters other than those specified in the foregoing Notice that will be brought before the meeting for action. However, if any such matters should be properly brought before the meeting, the persons appointed as proxies may vote or act upon such matters according to their judgment.