X0508 4 2025-10-07 0001711269 Evergy, Inc. EVRG 0001514004 Caisley Charles A. C/O EVERGY, INC. 1200 MAIN STREET KANSAS CITY MO 64105 1 EVP - PA & CHIEF CO 0 Common Stock 2025-10-07 4 M 0 1704 0 A 38953 D Common Stock 2025-10-07 4 F 0 505 77.69 D 38448 D Common Stock 59 I By Daughter Common Stock 418 I By Wife Restricted Stock Units 2025-10-07 4 A 0 9666 0 A Common Stock 9666 28018 D Restricted Stock Units 2025-10-07 4 M 0 1704 0 D Common Stock 1704 26314 D Reflects vesting of 1,638 restricted stock units (plus 66 reinvested dividends related to those units). Restricted stock units convert to stock on a one-for-one basis. Includes 73 shares acquired through reinvestment of dividends. Relinquished to Evergy, Inc. for withholding taxes incident to the vesting of restricted stock units on October 7, 2025. Of the total restricted stock units reported, and subject to, in general, continued employment, (i) 3,373 units (plus reinvested dividends related to those units) vest on March 1, 2026, (ii) 1,637 units (plus reinvested dividends related to those units) vest on October 7, 2026, (iii) 4,371 units (plus reinvested dividends related to those units) vest on March 1, 2027, (iv) 1,637 units (plus reinvested dividends related to those units) vest on October 7, 2027, (v) 4,594 units (plus reinvested dividends related to those units) vest on March 1, 2028, and (vi) 9,666 units (plus reinvested dividends related to those units) vest on October 7, 2028. Includes 525 restricted stock units acquired through reinvestment of dividends, a portion of which is accounted for in the current transaction. A restricted stock unit represents a contingent right to receive one share of Evergy, Inc. common stock. The vesting is part of the total stock units reported on October 7, 2024 that are subject to the terms of the grant agreements and the Long-Term Incentive Plan, including continued employment. Executed on behalf of Charles A. Caisley by Christie Dasek-Kaine, attorney-in-fact 2025-10-09