STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS - Bank First Retirement Plan - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Investments, at fair value:
TOTAL INVESTMENTS	$ 69,274,656	$ 67,946,629
Investments at contract value
Fully benefit-responsive investment contract	4,246,027	0
NET ASSETS AVAILABLE FOR BENEFITS	73,520,683	67,946,629
Mutual funds
Investments, at fair value:
TOTAL INVESTMENTS	41,217,928	40,443,186
Common collective fund
Investments, at fair value:
TOTAL INVESTMENTS	320,757	669,661
Pooled separate funds
Investments, at fair value:
TOTAL INVESTMENTS	5,367,199	4,913,696
Bank First Corporation common stock
Investments, at fair value:
TOTAL INVESTMENTS	$ 22,368,772	$ 21,920,086

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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