Exhibit 99.1 July 16, 2024 FOR IMMEDIATE RELEASE CONTACT: Kelly Polonus, Great Southern, (417) 895-5242 kpolonus@greatsouthernbank.com Great Southern Bancorp, Inc. Reports Preliminary Second Quarter Earnings of $1.45 Per Diluted Common Share Preliminary Financial Results and Other Matters for the Quarter and Six Months Ended June 30, 2024: · Significant or Non-Recurring Items: During the three months ended June 30, 2024, the Company recorded the following significant or non-recurring items: (1) an expense i ...