Bank First : announces promotion of Klahn and Tuma

SCOTT TUMA

SHANNON

KLAHN

N E W S R E L E A S E

P.O. Box 10

Manitowoc, WI 54221-0010

For further information, contact:

Deb Weyker, VP of Marketing

Phone: [phone] | [e-mail]

FOR IMMEDIATE RELEASE

Bank First announces promotion of Klahn and Tuma

MANITOWOC, Wis, February 19, 2020 - Mike Molepske, Chief Executive Officer of Bank First (NASDAQ: BFC), is pleased to announce the following promotions:

Shannon Klahn has been promoted to Assistant Executive Officer. Klahn joined the bank in 2014 as a Business Analyst and in 2017 she joined the marketing department where she most recently held the role of Marketing Communications Officer. In her new role, Shannon is responsible for supporting the Chief Executive Officer and Senior Management team with the overall strategic and operational performance of the bank.

Klahn earned her Bachelor of Business Administration degree from the University of Wisconsin - Madison and her Master

of Business Administration degree from the University of Wisconsin - Milwaukee. With a focus on community involvement, she serves on the Board of Directors of Family Service Association of Sheboygan and Advocacy Programs of Sheboygan. She also serves on the Board of Directors of the American Barefoot Club, a division of U.S.A. Waterski, as Executive Director of the Midwest Region. In her free time, Shannon enjoys running, biking, barefoot waterskiing, and spending time with family and friends. She resides in Sheboygan with her husband, Derek, and their son, Bryson.

Scott Tuma has been promoted to Enterprise Risk Manager. Tuma joined Bank First in 2014 and most recently served as the bank's Card Operations Manager. In his new role, Scott is responsible for ensuring Bank First maintains optimum compliance with Federal and State laws, rules and regulations as well as internal policies and procedures. He is also responsible for the management of compliance, information security systems, vendor management, internal audit, and third-party exams.

Tuma earned his Bachelor of Business Administration degree in Economics from UW - Green Bay and earned his Masters of Business Administration degree from Lakeland University in 2012. In his free time, Scott enjoys running, spending time with family and friends, and weekend visits with his family at their cabin up north. Scott also enjoys volunteering his time in the community alongside fellow coworkers.

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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 23 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 284 full-time equivalent staff and has assets of approximately $2.2 billion. Further information about Bank First Corporation is available by clicking on the Investor Relations tab at www.BankFirstWI.bank.

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