X0306 4 2021-08-18 0 0000097134 TENNANT CO TNC 0001494479 Zay Richard H. 10400 CLEAN STREET EDEN PRAIRIE MN 55344 0 1 0 0 Chief Commercial Officer Common Stock 2021-08-18 4 M 0 1600 47.03 A 13418 D Common Stock 2021-08-18 4 S 0 500 72.126 D 12918 D Common Stock 2021-08-18 4 S 0 1100 73.3145 D 11818 D Stock Option (right to buy) 47.03 2021-08-18 4 M 0 1600 0 D 2023-02-22 Common Stock 1600 3680 D Reflects the weighted average price of 500 shares of common stock of Tennant Company sold by the reporting person in multiple transactions on August 18, 2021 with sale prices ranging from $72.10 to $72.15 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Reflects the weighted average price of 1,100 shares of common stock of Tennant Company sold by the reporting person in multiple transactions on August 18, 2021 with sale prices ranging from $73.24 to $73.33 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Fully vested. /s/ Kristin A. Stokes on behalf of Richard H. Zay 2021-08-19