X0306 4 2018-06-03 1 0001143068 GREAT PLAINS ENERGY INC GXP 0001504867 Humphrey Heather A C/O GREAT PLAINS ENERGY INCORPORATED 1200 MAIN STREET KANSAS CITY MO 64105 1 SVP-Corp Srv & General Counsel Common Stock 2018-06-03 4 A 0 20393 0 A 81609 D Common Stock 2018-06-04 4 D 0 81609 0 D 0 D Each restricted stock unit represents a contingent right to receive one share of common stock. The restricted stock units vest on June 5, 2020, if the officer remains employed with the company through the vesting date. Disposed of pursuant to that certain Amended and Restated Agreement and Plan of Merger ("Merger Agreement") dated as of July 9, 2017 by and among Great Plains Energy Incorporated ("Great Plains Energy"), Westar Energy, Inc., Evergy, Inc. ("Evergy") (formerly Monarch Energy Holding, Inc.), King Energy, Inc., and for certain limited purposes, GP Star, Inc. in exchange for shares of Evergy common stock at an exchange ratio of 0.5981 for each Great Plains Energy share on the effective date of the merger. On the effective date of the merger, the closing price of Great Plains Energy's common stock was $31.99 per share, and Evergy's common stock had not yet commenced trading on the New York Stock Exchange. Executed on behalf of Heather A. Humphrey by Jaileah X. Huddleston, attorney-in-fact 2018-06-05