144/A 0000950170-25-030201 0001776888 XXXXXXXX LIVE 0000009092 BADGER METER INC 001-06706 4545 W. Brown Deer Rd. Milwaukee WI 53223 414-355-0400 Bauer Karen Officer Common R.W. Baird

777 E. Wisconsin Ave Milwaukee WI 53202

1482 311220 29410868 02/28/2025 NYSE Common 03/01/2025 RS Vesting Issuer N 127 03/01/2025 Compensation Common 03/03/2025 RS Vesting Issuer N 208 03/03/2025 Compensation Common 03/04/2025 RS and PSU Vesting Issuer N 1147 03/04/2025 Compensation Y This Form 144/A is being filed to amend the Form 144 previously filed on February 28, 2025 to change (i) the Number of Shares or Other Units to Be Sold from 1,178 to 1,482 and (ii) the Aggregate Market Value from $247,380 to $311,220 due to an inadvertent mistake for shares vesting March 4, 2025. 03/07/2025 /s/ William R.A. Bergum, Attorney-in-Fact for Karen Bauer