- -------------------------------------------------------------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: May 3, 2004 ACNB CORPORATION - -------------------------------------------------------------------------------- (Exact name of registrant's as specified in its charter) PENNSYLVANIA 0-11783 23-2233457 - -------------------------------------------------------------------------------- (State or other jurisdiction (Commission File #) (I.R.S. Employer of incorporation) Identification No.) 16 LINCOLN SQUARE, GETTYSBURG, PA 17325 - -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) (717) 334-3161 - -------------------------------------------------------------------------------- (Registrant's telephone number, including area code) Item 9. Regulation FD Disclosure On May 3, 2004, ACNB Corporation, holding company for Adams County National Bank, issued a press release announcing its financial results for the first quarter ended March 31, 2004. A copy of the press release is attached hereto as Exhibit 99.1. Item 12. Results of Operations and Financial Condition Pursuant to interim guidance issued by the Securities and Exchange Commission relating to Item 12 filing requirements, the Corporation has furnished the information required by Item 12 under Item 9 herein. - -------------------------------------------------------------------------------- SIGNATURES Pursuant to the requirements of the Securities and Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ACNB Corporation By: /s/ Thomas A. Ritter Thomas A. Ritter President/CEO Dated: May 3, 2004 EXHIBIT INDEX Exhibit Number Description 99.1 Earnings Press Release for the quarter ended March 31, 2004