Marathon Bancorp, Inc.

Marathon Bancorp, Inc. is a Maryland corporation formed in December 2020 to serve as the mid-tier holding company for Marathon Bank. On April 14, 2021, Marathon Bank completed its reorganization into a mutual holding company structure, making it a wholly-owned subsidiary of Marathon Bancorp. In connection with this, Marathon Bancorp issued and sold 45.0% of its common stock to the public and issued 55.0% of its common stock to Marathon MHC, its mutual holding company. On April 21, 2025, Marathon Bancorp completed its conversion from a mutual holding company to a stock holding company. As part of this conversion, Marathon Bancorp sold 1,693,411 shares of its common stock, including 135,472 shares issued to the Employee Stock Ownership Plan (ESOP), at $10.00 per share to the public. Public stockholders' existing shares were converted into new shares at an exchange ratio of 1.3728-to-1. Following the conversion, Marathon Bancorp's common stock began trading on the Nasdaq Capital Market under the symbol "MBBC." The company generated gross proceeds of $16.9 million from the conversion, with offering expenses of $1.7 million netted against these proceeds. Marathon Bancorp also provided a term loan to the ESOP to finance its purchase of 135,472 shares.