X0306 4 2023-03-02 0 0000009092 BADGER METER INC BMI 0001462632 Stoll Kimberly K 4545 W BROWN DEER ROAD MILWAUKEE WI 53223 0 1 0 0 VP-Sales & Marketing Common Stock 2023-03-02 4 M 0 577 33.975 A 4990.002 D Common Stock 2023-03-02 4 M 0 1043 36.45 A 6033.002 D Common Stock 2023-03-02 4 S 0 1620 120.88 D 4413.002 D Common Stock 6112.8 I ESSOP Stock Options 33.975 2023-03-02 4 M 0 577 D 2017-03-04 2026-03-04 BMI Common Stock 577 0 D Stock Options 36.45 2023-03-02 4 M 0 1043 D 2018-03-03 2027-03-03 BMI Common Stock 1043 0 D Stock Options 48.20 2019-03-02 2028-03-02 BMI Common Stock 1217 1217 D Stock Options 59.85 2020-03-01 2029-03-01 BMI Common Stock 1648 1648 D Stock Options 63.04 2021-03-06 2030-03-06 BMI Common Stock 2315 2315 D The price in Column 4 is a weighted average price. The prices actually received ranged from $120.57 to $120.93. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing an average weighted price. Stock Options are granted on a one-for-one basis. /s/ William R.A. Bergum, Attorney-in-Fact for Kimberly K. Stoll 2023-03-03