X0306 5 2015-12-31 0 0 0 0000715579 ACNB CORP ACNB 0001491265 Sites David L 220 DOUBLEDAY AVENUE GETTYSBURG PA 17325 1 0 0 0 ACNB Corporation Common 24440.976 D ACNB Corporation Common 52 I Family Trust ACNB Corporation Common 1656.558 I Spouse The amount of securities beneficially owned was increased to include 589.511 aggregate shares of common stock acquired in 2015 through the automatic reinvestment of dividends, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934. The amount of securities by ownership form was adjusted as shares of common stock held indirectly in a family trust were distributed to Mr. Sites and Mrs. Sites' spouse for direct ownership on November 10, 2015. The amount of securities beneficially owned was increased to include 62.038 aggregate shares of common stock acquired in 2015 through the automatic reinvestment of dividends, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934. /s/ Lynda L. Glass as POA for David L. Sites 2016-02-12