SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 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 20, 2004 FINANCIAL INSTITUTIONS, INC. ------------------------------------------------------------------- Exact Name of Registrant as Specified in Charter) New York 0-26481 16-0816610 ------------------------------ -------------------- -------------------- (State or other jurisdiction of (Commission File No.) (I.R.S. Employer incorporation or organization) Identification No.) 220 Liberty Street, Warsaw, New York 14569 ---------------------------------------- ---------- (Address of principal executive offices) (Zip code) Registrant's telephone number, including area code (585) 786-1100 Item 7. Financial Statements and Exhibits (c) Exhibit 99.1 Press release issued by Financial Institutions, Inc. dated April 20, 2004. Item 9. Regulation FD Disclosure Item 12. Results of Operations and Financial Condition The following information is furnished pursuant to Item 9, "Regulation FD Disclosure" and Item 12, "Results of Operations and Financial Condition." On April 20, 2004, Financial Institutions, Inc. issued a press release reporting its results of operations for the quarter ended March 31, 2004. Attached and incorporated herein by reference, as Exhibit 99.1 is a copy of the press release dated April 20, 2004. 1 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 thereunto duly authorized. FINANCIAL INSTITUTIONS, INC. (Registrant) April 20, 2004 /s/ Ronald A. Miller -------------- --------------------------------- Date Ronald A. Miller, Senior VP & CFO 2