Kinsale Capital Group, Inc.

Requirements for Stockholder Proposals to be Brought Before Next Year’s Annual Meeting

In order for a proposal by a stockholder of the Company to be eligible to be included in the Company’s proxy statement for the 2027 annual meeting of stockholders pursuant to the proposal process mandated by SEC rules, the proposal must be received by the Company on or before December 10, 2026 and must comply with the informational and other requirements set forth in Regulation 14A under the Exchange Act.

Notice of any director nomination or other proposal that you intend to bring before the 2027 annual meeting of stockholders must be delivered to, or mailed and received by, our Secretary, at Kinsale Capital Group, Inc., 2025 Staples Mill Road, Richmond, VA 23230 not earlier than the close of business on January 21, 2027 and not later than the close of business on February 20, 2027. However, if the date of the 2027 annual meeting of stockholders is advanced or delayed more than 25 days of May 21, 2027 (anniversary date of the 2026 Annual Meeting) then such notice must be received by us no later than the tenth day following the day on which notice of the date of the 2027 annual meeting was made or public announcement of the date of the meeting was first made by us, whichever first occurs.

In order for stockholders to give timely notice of nominations for directors, other than our nominees, for inclusion on a universal proxy card in connection with the 2027 annual meeting of stockholders, notice must be submitted to the Company no later than March 22, 2027, which is 60 calendar days prior to the anniversary date of the 2026 Annual Meeting, and must comply with the requirements of Regulation 14A under the Exchange Act. In addition, your notice must set forth the information required by our By-Laws with respect to each director nomination or other proposal that you intend to present at the 2027 annual meeting of stockholders. Copies of the provisions of our By-Laws applicable to stockholder nominations and proposals will be forwarded to any stockholder upon written request.

Other Matters

The Board knows of no other matters that will be presented for consideration at the Annual Meeting. If any other matters are properly brought before the Annual Meeting, it is the intention of the persons named in the accompanying proxy to vote on such matters in accordance with their best judgment.

PROXY CARD