144 0001044043 XXXXXXXX LIVE 0000854560 GREAT SOUTHERN BANCORP, INC. 000-18082 1451 E BATTLEFIELD SPRINGFIELD MO 65804 417-887-4400 TURNER WILLIAM V Director COMMON MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES

200 W CIVIC DR. - 4TH FLOOR SANDY UT 84070

6000 380400.00 11700000 11/14/2024 NASDAQ COMMON 11/14/2024 STOCK OPTION EXERCISE ISSUER N 6000 11/14/2024 COMPENSATION Y 11/14/2024 /s/ William V Turner