X0306 5 2012-12-31 0 0 0 0000715579 ACNB CORP ACNB 0001491265 Sites David L 220 DOUBLEDAY AVENUE GETTYSBURG PA 17325 1 0 0 0 ACNB Corporation Common 14172.03 D ACNB Corporation Common 6984.091 I Family Trust ACNB Corporation Common 1467.826 I Spouse The amount of securities beneficially owned was increased to include 678.660 aggregate shares of common stock acquired in 2012 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 beneficially owned was increased to include 286.210 aggregate shares of common stock acquired in 2012 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 beneficially owned was increased to include 71.422 aggregate shares of common stock acquired in 2012 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 2013-02-06