Bank First (BFC) Proxy Filing summary

Executive summary

• Annual Meeting of Shareholders scheduled for June 16, 2025, at the Franciscan Center in Manitowoc, Wisconsin.

• Supplement to the proxy statement issued on May 9, 2025, following the definitive proxy statement dated April 25, 2025.

Voting matters and shareholder proposals

• Ebru Başaran-Shull withdrew as a nominee for election to the board; her name will be disregarded on proxy votes.

• Remaining board nominees continue to stand for election; no replacement nominee will be named.

• Votes for Başaran-Shull will not be counted; all other proxy instructions remain valid.

• No other items on the agenda are affected by this change.

Board of directors and corporate governance

• Başaran-Shull's withdrawal is due to a change in her primary employment, not due to disagreement with the board or company.

• She is not a current member of the board.