144 0001209389 XXXXXXXX LIVE 0000076282 Park - Ohio Holdings Corp 000-03134 6065 Parkland Blvd Cleveland OH 44124 440-947-2210 John D Grampa Rev Tr Board Member Common Stock UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

4844 176370.04 14398169 06/23/2026 Nasdaq Common Stock 12/16/2015 Market Purchase Open Market Purchase N 2000 12/16/2015 Cash Common Stock 06/16/2026 Board Compensation Park Ohio Holdings Corp N 2844 06/16/2026 N/A Y Selling Shareholder is John D Grampa Rev Trust. John D Grampa, TTEE. He is also a Board Member of Park - Ohio Holdings Corp. 06/23/2026 /s/Mijo Suric, for UBS Financial Services Inc, as attorney-in-fact for John D Grampa Rev Tr