X0306 4 2021-06-15 0 0000715579 ACNB CORP ACNB 0001399227 Lott James J 16 LINCOLN SQUARE GETTYSBURG PA 17325 1 0 0 0 ACNB Corporation Common 2021-06-15 2021-06-17 4 A 0 101.6979 28.27 A 13757.8117 D The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4). The shares represent stock received in lieu of director fees pursuant to a plan. The amount of securities beneficially owned includes 43.329678 shares of common stock purchased for the same Transaction Date of June 15, 2021, through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934. /s/ Lynda L. Glass as POA for James J. Lott 2021-06-21