On February 22, 2021, Thomas F. Hall notified the Board of Directors of Pinnacle Bankshares Corporation (the Company) of his decision to resign as a director of the Company and the Company's wholly-owned subsidiary, First National Bank (Altavista, Virginia) (the Bank), effective February 28, 2021. Mr. Hall joined the Boards of Directors of the Company and the Bank in 2008 and the Board of Directors enormously appreciates Mr. Hall's service to the Company and to the Bank during the last 13 years. Mr. Hall's resignation is due to personal reasons and not any disagreement with the Company or the Bank.