X0508 4 2023-11-01 0 0001669162 Kinsale Capital Group, Inc. KNSL 0001534451 Russell Frederick L. Jr. C/O KINSALE CAPITAL GROUP, INC. 2035 MAYWILL STREET, SUITE 100 RICHMOND VA 23230 1 0 0 0 0 Common Stock, par value $0.01 per share 2023-11-01 4 M 0 4000 16.00 A 5281 D Common Stock, par value $0.01 per share 2023-11-01 4 S 0 1103 343.26 D 4178 D Common Stock, par value $0.01 per share 2023-11-01 4 S 0 938 344.17 D 3240 D Common Stock, par value $0.01 per share 2023-11-01 4 S 0 1305 345.16 D 1935 D Common Stock, par value $0.01 per share 2023-11-01 4 S 0 654 345.97 D 1281 D Common Stock, par value $0.01 per share 23566 I As trustee of The Frederick L. Russell, Jr Revocable Trust Options (Right to Buy) 16.00 2023-11-01 4 M 0 4000 0.00 D 2026-07-27 Common Stock, par value $0.01 per share 4000 12000 D The shares were sold in multiple transactions at actual sale prices ranging from $342.70 to $343.69 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. The shares were sold in multiple transactions at actual sale prices ranging from $343.73 to $344.63 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. The shares were sold in multiple transactions at actual sale prices ranging from $344.75 to $345.70 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. The shares were sold in multiple transactions at actual sale prices ranging from $345.77 to $346.22 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Mr. Russell is a trustee of The Frederick L. Russell, Jr Revocable Trust. Mr. Russell disclaims beneficial ownership of any shares of common stock held by The Frederick L. Russell, Jr Revocable Trust with respect to which Mr. Russell does not have a pecuniary interest therein. Granted on July 27, 2016 under the Kinsale Capital Group, Inc. 2016 Omnibus Incentive Plan. The options are fully vested. /s/ Amanda E. Viol, as attorney-in-fact 2023-11-03