Bank First : announces the promotion of Brad Rahmlow

Brad Rahmlow

N E W S R E L E A S E

P.O. Box 10, Manitowoc, WI 54221-0010

For further information, contact: Rachel Oakes, Marketing Communications Manager Phone: (608) [e-mail]

FOR IMMEDIATE RELEASE

Bank First announces the promotion of Brad Rahmlow

MANITOWOC, Wis, October 19, 2020 - Mike Molepske, Chief Executive Officer of Bank First (NASDAQ: BFC), is pleased to announce the promotion of Brad Rahmlow to Market President at Bank First. Rahmlow has over twenty years banking experience, and joined Bank First in 2018 as Vice President of Agricultural Lending. In his new role, Brad will be responsible for the growth and development of the bank's Tomah market while providing mentorship to staff in the region.

"I am thrilled about the team we have and continue to build in Tomah," stated Molepske. "Brad has the essential leadership qualities, integrity, and experience in the banking

industry to guide our dedicated team of bankers. I am excited about the bank's future in Monroe County and look forward to strengthening existing and building new relationships within the community under Brad's capable leadership."

Active in his community, Rahmlow volunteers as a youth basketball and baseball coach. He serves on the Black River Falls Faith Lutheran Church Council, as Secretary of the Jackson County Junior Livestock Committee, and is on the Black River Falls Board of Zoning Appeals. He earned his bachelor of Business Administration degree from the University of Wisconsin - Platteville and attended the Graduate School of Banking at the University of Wisconsin - Madison. Brad resides in Black River Falls with his wife, Kelly, and their three children.

For more information about Bank First, visit www.BankFirstWI.bank.

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Bank First Corporation provides financial services through its subsidiary, Bank First, which was incorporated in 1894. The Bank is an independent community bank with 24 banking locations in Wisconsin. The Bank has grown through both acquisitions and de novo branch expansion. The Bank offers loan, deposit and treasury management products at each of its banking offices. Insurance services are available through our bond with Ansay & Associates, LLC. Trust, investment advisory and other financial services are offered through the Bank's partnership with Legacy Private Trust, an alliance with Morgan Stanley and an affiliation with McKenzie Financial Services, LLC. The Bank is a co-owner of a data processing subsidiary, UFS, LLC, which provides data and technology services to banks in the Midwest. The Company employs approximately 307 full-time equivalent staff and has assets of approximately $2.6 billion. Further information about Bank First Corporation is available by clicking on the Investor Relations tab at www.BankFirstWI.bank.