X0306 4 2016-01-14 0000054507 WESTAR ENERGY INC /KS WR 0001236089 RUELLE MARK A 818 S KANSAS AVENUE TOPEKA KS 66612 1 1 0 0 President & CEO Common Stock, par value $5.00 2016-01-14 4 A 0 56075 0 A 199863 D Common Stock, par value $5.00 2016-01-14 4 F 0 26047 42.6225 D 173816 D Common Stock, par value $5.00 18317 I Living trust of spouse Vesting of 56,075 performance-based restricted share units that were granted on February 28, 2013, with a vesting date of January 1, 2016. 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 14, 2016. Includes 59,765 restricted share units that are subject to forfeiture. Forfeiture of 26,047 shares for the payment of taxes upon the vesting of 56,075 performance-based restricted share units granted on 2/28/13. Mark A. Ruelle 2016-01-15