X0202 SCHEDULE 13G/A 0001172661-26-001039 0001070134 XXXXXXXX LIVE 9 Common Stock, par value $0.375 per share 03/31/2026 0000097134 TENNANT COMPANY 880345103 104000 Clean Street Eden Prairie MN 55344 Rule 13d-1(b) Mairs and Power, Inc. MN 789760.00 0.00 789895.00 0.00 789895.00 N 4.4 IA TENNANT COMPANY 10400 Clean Street, Eden Prairie, MN 55344 Mairs and Power, Inc. 30 East 7th Street, Suite 2500, St. Paul, MN 55101 Minnesota N IA 789,895 4.4% 789,760 0 789,895 0 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Mairs and Power, Inc. Brent M. Williams 05/13/2026