X0306 4 2017-12-27 0001143068 GREAT PLAINS ENERGY INC GXP 0001617486 Grimes Scott D. C/O GREAT PLAINS ENERGY INCORPORATED 1200 MAIN STREET KANSAS CITY MO 64105 1 Common Stock 1318 D Director Deferred Share Units 2017-12-27 4 A 0 703 0 A Common Stock 703 9070 D Director Deferred Share units are granted under the Long-Term Incentive Plan. Each unit represents the right to receive one share of Great Plains Energy Common Stock, plus stock reflecting reinvested dividends. Units are converted to stock and distributed following termination of service on the Board pursuant to elections made by the reporting person. Amount includes 70 Director Deferred Share Units accrued from September 27, 2017, through December 27, 2017, through dividend reinvestment. Executed on behalf of Scott D. Grimes by Jaileah X. Huddleston, attorney-in-fact 2017-12-28