Kinsale Capital Group, Inc.

Securities Trading Plans of Directors and Executive Officers

Transactions in our securities by our non-employee directors and executive officers are required to be made in accordance with our Policy on the Prevention of Insider Trading and Selective Disclosure (the "Insider Trading Policy"), which, among other things, requires that the transactions be in accordance with applicable U.S. federal securities laws that prohibit trading while in possession of material nonpublic information. Rule 10b5-1 under the Exchange Act provides an affirmative defense that enables prearranged transactions in securities in a manner that avoids concerns about initiating transactions at a future date while possibly in possession of material nonpublic information. Our Insider Trading Policy permits our non-employee directors and executive officers to enter into trading plans designed to comply with Rule 10b5-1.

The following table describes any contracts, instructions or written plans adopted for the sale or purchase of our securities by our non-employee directors and executive officers during the second quarter of 2025, which is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), referred to as Rule 10b5-1 trading plans.

(1) A trading plan may also expire on such earlier date as all transactions under the trading plan are completed.

During the second quarter of 2025, none of our non-employee directors or executive officers modified orterminated a Rule 10b5-1 trading plan oradopted, modified orterminated a non-Rule 10b5-1 trading arrangement (as defined in Item 408(c) of Regulation S-K).