144 0001226982 XXXXXXXX LIVE 0000100378 TWIN DISC INC 001-07635 222 East Erie Street Suite 400 Milwaukee WI 53202 262-638-4000 Batten John H Officer Common R.W. Baird

777 East Wisconsin Avenue Milwaukee WI 53202

15000 196500.00 14390226 09/08/2025 NASDAQ Common 07/25/2008 Stock award vesting Issuer N 3919 07/25/2008 Compensation Common 07/26/2012 Stock award vesting Issuer N 11081 07/26/2012 Compensation Y 09/10/2025 /s/ John H. Batten