X0609 4 2026-10-07 0001711269 Evergy, Inc. EVRG 0001514004 Caisley Charles A. false C/O EVERGY, INC. 1200 MAIN STREET KANSAS CITY MO 64105 1 EVP & CHIEF CUST OFFCR 0 Common Stock 2026-10-07 4 M 0 1764 0 A 38355 D Common Stock 2026-10-07 4 F 0 787 80.30 D 37568 D Common Stock 418 I By Wife Common Stock 59 I By Daughter Restricted Stock Units 2026-10-07 4 M 0 1764 0 D Common Stock 1764 26201 D Reflects the vesting of 1,637 restricted stock units (RSUs) (plus the settlement of 127 dividend equivalent rights (DERs) accrued from the reinvestment of dividends related to those units). DERs accrue on the reporting person's RSUs when and as dividends are paid on the Company's common stock and vest along with the RSUs on which they accrued. RSUs, and any accrued DERs, convert to common stock on a one-for-one basis. Relinquished to the Company for withholding taxes incident to the vesting of RSUs on October 7, 2026. As previously reported on October 9, 2024, the reporting person was granted 4,912 RSUs that vest in three nearly equal installments on October 7, 2025, October 7, 2026, and October 7, 2027. DERs accrue with respect to the RSUs when and as dividends are paid on the Company's common stock. The number of derivative securities in column 5 reflects the RSUs that vested, and 127 vested DERs. Includes 469 DERs acquired through reinvestment of dividends. Each DER converts into one share of Company common stock on the date of vesting. Executed on behalf of Charles A. Caisley by Amy Abrams, attorney-in-fact 2026-10-09