144 0001203971 XXXXXXXX LIVE 0000098362 TIMKEN CO 001-01169 4500 MT. PLEASANT ST. NW NORTH CANTON OH 44720-5450 (234) 262-3000 TIMKEN JOHN M JR Director Common Stock Stifel Nicolaus & Company Inc

501 N Broadway St. Louis MO 63102

15000 1747655.00 69494510 05/08/2026 NYSE Common Stock 05/09/2018 Open Market Purchase Open Market N 1100 05/09/2018 Cash Common Stock 05/08/2017 Open Market Purchase Open Market N 3585 05/08/2017 Cash Common Stock 05/07/2022 Open Market Purchase Open Market N 1340 05/07/2022 Cash Common Stock 05/03/2025 Open Market Purchase Open Market N 1660 05/03/2025 Cash Common Stock 05/08/2023 Open Market Purchase Open Market N 2310 05/08/2023 Cash Common Stock 05/05/2024 Open Market Purchase Open Market N 1845 05/05/2024 Cash Common Stock 05/07/2021 Open Market Purchase Open Market N 3160 05/07/2021 Cash Y 05/08/2026 /s/ James Weimer, as a duly authorized representative of STIFEL, as attorney-in-fact for John M Timken Jr