X0609 4 2026-10-01 0001711269 Evergy, Inc. EVRG 0001839332 Buckler William Bryan false C/O EVERGY, INC. 1200 MAIN STREET KANSAS CITY MO 64105 1 EVP - Chief Financial Officer 0 Common Stock 2026-10-01 4 M 0 15880 0 A 25431 D Common Stock 2026-10-01 4 F 0 5999 78.79 D 19432 D Restricted Stock Units 2026-10-01 4 M 0 15880 0 D Common Stock 15880 13610 D Reflects the vesting of 14,735 restricted stock units (RSUs) (plus the settlement of 1,145 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 1, 2026. As previously reported on October 1, 2024, the reporting person was granted 29,471 RSUs that vested in two nearly equal installments on October 1, 2025 and October 1, 2026. DERs accrue with respect to these RSUs when and as dividends are paid on the Company's common stock. The number of derivative securities in column 5 reflects RSUs that vested, and 1,145 vested DERs. Includes 740 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 William Bryan Buckler by Amy Abrams, attorney-in-fact 2026-10-05