X0508 4 2024-03-01 0001711269 Evergy, Inc. EVRG 0001514004 Caisley Charles A. C/O EVERGY, INC. 1200 MAIN STREET KANSAS CITY MO 64105 1 SVP - PA & CHIEF CO 0 Common Stock 2024-03-02 4 A 0 6211 0 A 35299 D Common Stock 2024-03-02 4 F 0 1288 49.12 D 34011 D Common Stock 2024-03-02 4 M 0 3182 0 A 37193 D Common Stock 2024-03-02 4 F 0 933 49.12 D 36260 D Common Stock 59 I By Daughter Common Stock 418 I By Wife Restricted Stock Units 2024-03-01 4 A 0 4371 0 A Common Stock 4371 24830 D Restricted Stock Units 2024-03-02 4 M 0 3182 0 D Common Stock 3182 21648 D Award of common stock in settlement of performance share units. Includes 320 shares acquired through reinvestment of dividends. Relinquished to Evergy, Inc. ("Evergy") for withholding taxes incident to settlement of performance share units on March 2, 2024. Reflects vesting of 2,836 restricted stock units (plus reinvested dividends related to those units). Restricted stock units convert to stock on a one-for-one basis. Relinquished to Evergy for withholding taxes incident to the vesting of restricted stock units on March 2, 2024. Of the total restricted stock units reported, and subject to, in general, continued employment, (i) 9,459 units (plus reinvested dividends related to those units) vest on August 12, 2024, (ii) 3,066 units (plus reinvested dividends related to those units) vest on March 1, 2025, (iii) 3,373 units (plus reinvested dividends related to those units) vest on March 1, 2026, and (iv) 4,371 units (plus reinvested dividends related to those units) vest on March 1, 2027. Includes 883 restricted stock units acquired through reinvestment of dividends, a portion of which is accounted for in the current transaction. Executed on behalf of Charles A. Caisley by Christie Dasek-Kaine, attorney-in-fact 2024-03-05