X0306 4 2017-03-03 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 2017-03-03 4 F 0 1531 29.09 D 46568 D Common Stock 2017-03-03 4 A 0 12083 0 A 58651 D Common Stock 2017-03-03 4 F 0 3373 29.09 D 55278 D Relinquished to the Company for withholding taxes incident to the vesting of restricted stock on March 3, 2017. Award of common stock in settlement of performance share grants under the Company's Long-Term Incentive Plan. Relinquished to the Company for withholding taxes incident to settlement of performance share grants under the Company's Long Term Incentive Plan on March 3, 2017. Executed on behalf of Heather A. Humphrey by Jaileah X. Huddleston, attorney-in-fact 2017-03-07