Palomar Holdings, Inc.

Rule 10b5-1 Plans

On December 3, 2025, Mac Armstrong, the Company’s Chairman and Chief Executive Officer, entered a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1c under the Exchange Act, providing for the sale of up to 42,000 shares of the Company’s common stock. Pursuant to this plan, Mr. Armstrong may sell shares beginning March 23, 2026 and ending February 28, 2027.

On December 15, 2025, Angela Grant, the Company’s Chief Legal Officer, entered a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1c under the Exchange Act, providing for the exercise and sale of up to 1,254 shares of Company stock options. Pursuant to this plan, Ms. Grant may sell shares beginning March 16, 2026 and ending August 31, 2026.

On December 15, 2025 Chris Uchida, the Company’s Chief Financial Officer, entered a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1c under the Exchange Act, providing for the exercise and sale of up to 3,150 shares of Company stock options and the sale of up to 5,671 shares of the Company’s common stock. Pursuant to this plan, Mr. Uchida may sell shares beginning April 15, 2026 and ending September 30, 2026.

On December 15, 2025, Jon Christianson, the Company’s President, entered a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1c under the Exchange Act, providing for the exercise and sale of up to 18,000 shares of Company stock options. Pursuant to this plan, Mr. Christianson may sell shares beginning March 16, 2026 andending August 31, 2026.

None of our other directors or officers (as defined in Rule 16a-1(f) of the Securi ties Exchange Act of 1934)adopted, terminated or modifieda Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K) during the quarter ended December 31, 2025,

There wereno “non-Rule 10b5-1 trading arrangements” (as defined in Item 408 of Regulation S-K of the Exchange Act) adopted, modified or terminated during the fiscal year ended December 31, 2025 by our directors and Section 16 officers. Each of the Rule 10b5-1 trading arrangements are in accordance with our Insider Trading Policy and actual sale transactions made pursuant to such trading arrangements will be disclosed publicly in Section 16 filings with the SEC in accordance with applicable securities laws, rules and regulations.