Great Southern Bancorp, Inc.

1451 East Battlefield Road
P.O. Box 9009
Springfield, MO 65804-9009

417-887-4400

Investor Relations Contact

Mrs. Kelly Polonus

417-895-5242
kpolonus@greatsouthernbank.com

Transfer Agent

Computershare Investor Services

P.O. Box 43006
Providence, RI 02940-3006

800-368-5948

www.computershare.com/investor