X0306 4 2017-01-11 0000054507 WESTAR ENERGY INC /KS WR 0001236081 GREENWOOD GREG A 818 S KANSAS AVE TOPEKA KS 66612 0 1 0 0 SVP, Strategy Common Stock, Par Value $5.00 2017-01-11 4 A 0 20130 0 A 64136 D Common Stock, Par Value $5.00 2017-01-11 4 F 0 8254 56.285 D 55882 D Common Stock, Par Value $5.00 1947 I 401(k) plan account Vesting of 20,130 performance-based restricted share units that were granted on February 26, 2014, with a vesting date of January 1, 2017. Under the terms of the grant, the number of shares to be received by the Reporting Person at vesting is increased or decreased based on the Issuer's Total Shareholder Return as compared to the Total Shareholder Return for a defined Peer Group of companies for the defined Performance Period. The determination that the performance criteria relating to the grant had been met and the calculation of the number of shares to be distributed were completed on January 11, 2017. Includes 18,270 restricted share units that are subject to forfeiture and one share acquired through the reinvestment of dividends. Forfeiture of 8,254 shares for the payment of taxes upon the vesting of performance-based restricted share units granted on 2/26/14. Cynthia Couch by power of attorney 2017-01-11