Mercer Bancorp, Inc.

Mercer Bancorp is a bank holding company. In connection with its conversion, the Company sold 972,970 shares of common stock, par value $0.01 per share, including 81,838 shares sold to the Bank's Employee Stock Ownership Plan, for gross offering proceeds of approximately $9.7 million, based on an offering price of $10.00 per share. The Company also contributed 50,000 shares of common stock and $100,000 in cash to the Mercer Savings Charitable Foundation, Inc. Beginning July 27, 2023, Mercer Bancorp's common stock is quoted on the OTCQB Market under the symbol "MSBB." As a bank holding company, Mercer Bancorp is regulated by the Federal Reserve. As of September 30, 2025, the Company had consolidated total assets of $176.2 million, total deposits of $144.0 million, and stockholders' equity of $24.6 million. Since its incorporation, Mercer Bancorp's primary business activities have included holding the common stock of the Bank, contributions to the Mercer Savings Charitable Foundation, Inc., retaining approximately 50.0% of the net proceeds of its initial stock offering, and making a loan to the Bank's Employee Stock Ownership Plan. The Company's cash flows depend on earnings from the investment of the net proceeds from the stock offering that were retained, and any dividends received from the Bank. Mercer Bancorp does not own or lease any property, but pays a fee to the Bank for the use of its premises, equipment, and furniture. The Company employs only persons who are officers of the Bank to serve as officers of Mercer Bancorp and uses the support staff of the Bank, paying a fee for their time. The executive offices are located at 1100 Irmscher Blvd, Celina, Ohio 45822.