EXHIBIT 99.1 RICHMOND MUTUAL BANCORPORATION, INC. ANNOUNCES 2025 THIRD QUARTER FINANCIAL RESULTS RICHMOND, INDIANA (October 23, 2025) – Richmond Mutual Bancorporation, Inc., a Maryland corporation (the "Company") (NASDAQ: RMBI), parent company of First Bank Richmond (the "Bank"), today announced net income of $3.6 million, or$0.37 diluted earnings per share, for the third quarter of 2025. This is compared to net income of $2.6 million, or$0.26 diluted earnings per share, for the second quarter of 2025, an ...