X0508 4 2024-03-01 0001711269 Evergy, Inc. EVRG 0001881806 Elwell Lesley Lissette C/O EVERGY, INC. 1200 MAIN STREET KANSAS CITY MO 64105 1 SVP & CHIEF HRO & CHIEF DO 0 Common Stock 2024-03-01 4 M 0 2416 0 A 3864 D Common Stock 2024-03-01 4 F 0 823 49.12 D 3041 D Restricted Stock Units 2024-03-01 4 A 0 7017 0 A Common Stock 7017 15520 D Restricted Stock Units 2024-03-01 4 A 0 2753 0 A Common Stock 2753 18273 D Restricted Stock Units 2024-03-01 4 M 0 2416 0 D Common Stock 2416 15857 D Reflects vesting of 2,210 restricted stock units (plus reinvested dividends related to those units). Restricted stock units convert to stock on a one-for-one basis. Includes 1 share acquired through reinvestment of dividends. Relinquished to Evergy, Inc. for withholding taxes incident to the vesting of restricted stock units on March 1, 2024. The restricted stock units reported are subject to the terms of a grant agreement and the Long-Term Incentive Plan, including in general, continued employment, vest in 1/3 increments on the anniversary of the grant date (2,339 units annually plus reinvested dividends related to those units vest on March 1, 2025, 2026 and 2027 respectively). Includes 104 restricted stock units acquired through reinvestment of dividends, a portion of which is accounted for in the current transaction. Of the total restricted stock units reported, and subject to, in general, continued employment, (i) 1,841 units (plus reinvested dividends related to those units) vest on September 7, 2024, (ii) 1,763 units (plus reinvested dividends related to those units) vest on March 1, 2025, (iii) 2,069 units (plus reinvested dividends related to those units) vest on March 1, 2026, and (iv) 2,753 units (plus reinvested dividends related to those units) vest on March 1, 2027. Executed on behalf of Lesley L. Elwell by Christie Dasek-Kaine, attorney-in-fact 2024-03-05