X0306 4 2015-10-01 0 0001622536 Talen Energy Corp TLN 0001221363 BERNTHAL FREDERICK M C/O TALEN ENERGY CORPORATION 835 HAMILTON STREET, SUITE 150 ALLENTOWN PA 18101 1 0 0 0 Stock Unit (DDCP) 2015-10-01 4 A 0 3230.616 10.06 A Common Stock 3230.616 5747.07 D Represents stock units acquired under the Issuer's Directors Deferred Compensation Plan ("DDCP"). Each unit is the economic equivalent of one share of Issuer common stock. Pursuant to the terms of the DDCP, the stock units shall settle in cash or common stock, at the director's option, upon the director's retirement or separation from service. No conversion or exercise price applies. /s/Thomas G. Douglass as Attorney-in-Fact for Frederick M. Bernthal 2015-10-05