Bank First Corp 10-K

ITEM 2. PROPERTIES Our main office is located at 402 North 8 th Street, Manitowoc, Wisconsin 54220. Including its main office, the Bank operates thirty-eight (38) branches located in nineteen (19) counties in Wisconsin and Illinois, which includes the branches that were acquired in connection with the Company’s acquisition of Centre on January 1, 2026. The addresses of these offices are provided below. We believe these premises will be adequate for present and anticipated needs and that we have adequate insurance to cover our owned and leased premises. For each property that we lease, we believe that upon expiration of the lease we will be able to extend the lease on satisfactory terms or relocate to another acceptable location: ​ Office ​ ​ Address ​ ​ City, State, Zip ​ ​ Lease/Own Main Office ​ 402 N. 8 th Street ​ Manitowoc, Wisconsin, 54220 ​ Own Appleton ​ 4201 W. Wisconsin Avenue ​ Appleton, Wisconsin, 54913 ​ Lease Bellevue ​ 2747 Manitowoc Road ​ Green Bay, Wisconsin, 54311 ​ Own Beloit ​ 345 E. Grand Avenue ​ Beloit, Wisconsin, 53511 ​ Own Beloit ​ 1882 E. Inman Parkway ​ Beloit, Wisconsin, 53511 ​ Own Cambridge ​ 221 W. Main Street ​ Cambridge, Wisconsin, 53523 ​ Own Cedarburg ​ W61 N529 Washington Avenue ​ Cedarburg, Wisconsin, 53012 ​ Own Clinton ​ 500 Peck Avenue ​ Clinton, Wisconsin, 53525 ​ Own Clintonville ​ 135 S. Main Street ​ Clintonville, Wisconsin, 54929 ​ Own Darien ​ 218 N. Walworth Street ​ Darien, Wisconsin, 53114 ​ Own Delavan ​ 1221 S. Shore Drive ​ Delavan, Wisconsin, 53115 ​ Own Denmark ​ 103 E. Main Street ​ Denmark, Wisconsin, 54208 ​ Own Fond du Lac ​ 825 W. Johnson Street ​ Fond du Lac, Wisconsin, 54935 ​ Own Howard ​ 1951 Shawano Avenue ​ Howard, Wisconsin, 54303 ​ Own Iola ​ 295 E. State Street ​ Iola, Wisconsin, 54945 ​ Own Janesville ​ 2111 Holiday Drive ​ Janesville, Wisconsin, 53545 ​ Own Kiel ​ 110 Fremont Street ​ Kiel, Wisconsin, 53042 ​ Own Manitowoc ​ 2915 Custer Street ​ Manitowoc, Wisconsin, 54220 ​ Own Mishicot ​ 110 Baugniet Street ​ Mishicot, Wisconsin, 54228 ​ Own Monroe ​ 1625 10 th Street ​ Monroe, Wisconsin, 53566 ​ Own Oshkosh ​ 1159 N. Koeller Street ​ Oshkosh, Wisconsin, 54902 ​ Own Pardeeville ​ 512 S. Main Street ​ Pardeeville, Wisconsin, 53954 ​ Own Plymouth ​ 2700 Eastern Avenue ​ Plymouth, Wisconsin, 53073 ​ Own Poynette ​ 105 S. Main Street ​ Poynette, Wisconsin, 53955 ​ Own Reedsville ​ 100 Mill Street ​ Reedsville, Wisconsin, 54230 ​ Own Rockton ​ 300 E. Main Street ​ Rockton, Illinois, 61072 ​ Own Roscoe ​ 5360 Bridge Street ​ Roscoe, Illinois, 61073 ​ Own Shawano ​ 835 E. Green Bay Street ​ Shawano, Wisconsin, 54166 ​ Own Sheboygan ​ 2600 Kohler Memorial Drive ​ Sheboygan, Wisconsin, 53081 ​ Own Sturgeon Bay ​ 3854 Old Highway Road ​ Sturgeon Bay, Wisconsin, 54235 ​ Own Tomah ​ 110 W. Veterans Street ​ Tomah, Wisconsin, 54660 ​ Own Two Rivers ​ 1703 Lake Street ​ Two Rivers, Wisconsin, 54241 ​ Own Valders ​ 167 Lincoln Street ​ Valders, Wisconsin, 54245 ​ Own Walworth ​ 105 State Road 67 ​ Walworth, Wisconsin, 53184 ​ Own Watertown ​ 104 W. Main Street ​ Watertown, Wisconsin, 53094 ​ Own Waupaca ​ 111 Jefferson Street ​ Waupaca, Wisconsin, 54981 ​ Own Wautoma ​ 105 N. Plaza Road ​ Wautoma, Wisconsin, 54982 ​ Own Winnebago ​ 500 N. Elida Street ​ Winnebago, Illinois, 61088 ​ Own ​ ​ ​ ​ ​ ​ ​ ​ 41 Table of Contents