FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 19, 2002 S1 CORPORATION -------------- (Exact name of registrant as specified in its charter) DELAWARE 000-24931 58-2395199 - --------- --------- ---------- State or other jurisdiction Commission IRS Employer of incorporation File Number Identification No. 3500 Lenox Road, Suite 200, ATLANTA, GEORGIA 30326 ----------------------------------------------------------- (Address of principal executive offices) Registrant's telephone number, including area code: (404) 923-3500 --------------- NOT APPLICABLE ----------------------------------------------------------- (Former name or former address, if changed since last report) ITEM 5. OTHER EVENTS. S1 Corporation ("S1") announced on April 19, 2002 that its annual meeting of shareholders will be held on Thursday, May 23, 2002 at 8:30 a.m. EDT at the J.W. Marriott Hotel, 3300 Lenox Road, NE, Atlanta, Georgia 30326. S1 issued a press release on April 19, 2002 describing the annual meeting, a copy of which is filed as Exhibit 99 hereto. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS. (a) Not applicable. (b) Not applicable. (c) Exhibits. Number Description - ------ ----------- 99 Press release dated April 19, 2002. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. S1 CORPORATION -------------- (Registrant) /s/ Matthew Hale ---------------------------------- Matthew Hale Chief Financial Officer Date: April 19, 2002 Exhibit Index Number Description - ------ ----------- 99 Press release dated April 19, 2002.