X0306 4 2018-09-06 0 0000092122 SOUTHERN CO SO 0001600639 Lantrip Mark 30 IVAN ALLEN JR. BLVD., NW ATLANTA GA 30308 0 1 0 0 President & CEO, SCS Phantom Stock Units 0.00 2018-09-06 4 I 0 15267.9025 44.66 D Southern Company Common Stock 15267.9025 0 D Each share of phantom stock represents the right to receive one share of Southern Company common stock or the cash value thereof. There is no exercise or expiration date. This transaction represents a transfer from the phantom stock account into an alternative investment account, which is permitted under the Company's Deferred Compensation Plan at any time. /s/ Sarah E. Cash, Attorney-in-Fact for Mark S. Lantrip 2018-09-10