X0306 4 2012-09-14 0 0000715579 ACNB CORP ACNB 0001343134 Stock Alan J 245 ORCHARD DRIVE HANOVER PA 17331 1 0 0 0 ACNB Corporation Common 2012-09-14 2012-09-18 4 P 0 74.4294 15.115 A 17229.1268 D ACNB Corporation Common 6301 I Spouse The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4). The amount of securities beneficially owned includes 0.9772 shares of common stock purchased for the same Transaction Date of September 14, 2012, 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 Alan J. Stock 2012-09-19