X0306 4 2015-08-17 0 0000745981 MIDSOUTH BANCORP INC MSL 0001496450 Lay Carolyn B 102 VERSAILLES BLVD LAFAYETTE LA 70501 0 1 0 0 Chief Retail Officer Common Stock 2015-08-17 4 A 0 1000 0 A 3284.37 D Common Stock 2015-08-17 4 A 0 0 0 A 4286.67 I ESOP Grant of restricted stock which will fully vest on the third anniversary of the grant date, August 17, 2018. Includes shares acquired in non-reportable dividend reinvestment transactions since the date of the last Form 4 filing. Includes shares acquired in non-reportable Employee Stock Ownership Plan (ESOP) distributions since the date of the last Form 4 filing. Shaleen B. Pellerin, Attorney in Fact 2015-08-18