ACNB holds 2023 annual meeting; elects directors, approves exec compensation, notes retirements

Proposal No. 4 – To Ratify the Selection of the Independent Registered Public Accounting Firm The shareholders voted to ratify the selection of Crowe LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2023. The results of the vote were as follows: For Against Abstain Broker Non-Votes 6,108,399.69 32,845.00 58,008.21 0

Proposal No. 2 – To Conduct a Non-Binding Vote on Executive Compensation The shareholders voted to approve, on a non-binding basis, the compensation paid to the Company’s Named Executive Officers. The results of the vote were as follows: For Against Abstain Broker Non-Votes 3,392,439.60 1,291,834.16 121,822.14 1,393,157.00

Proposal No. 3 - To conduct a non-binding vote on the frequency of non-binding shareholder votes on executive compensation The shareholders voted to approve, on a non-binding basis, on the frequency of non-binding shareholder votes on executive compensation. The results of the vote were as follows: One Year Two Years Three Years Abstain Broker Non-Votes 4,318,683.99 137,047.49 230,466.05 119,898.37 1,393,157.00

Proposal No. 1 – To Elect Class 3 Directors The shareholders voted to elect five (5) Class 3 Directors to serve for terms of three (3) years and until their successors are elected and qualified. The results of the vote were as follows: Nominee For Against Abstain Broker Non- Votes Kimberly S. Chaney 4,231,165.74 522,145.45 52,784.71 1,393,157.00 Frank Elsner, III 3,991,512.82 769,652.86 44,930.22 1,393,157.00 James P. Helt 4,199,854.36 561,534.31 44,707.23 1,393,157.00 Scott L. Kelley 3,797,633.90 964,943.04 43,518.96 1,393,157.00 Daniel W. Potts 3,518,597.82 1,242,144.86 45,353.22 1,393,157.00