UNITED STATES 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): MAY 12, 2005 KIRBY CORPORATION (Exact name of registrant as specified in its charter) NEVADA 1-7615 74-1884980 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer incorporation or organization) Identification No.) 55 WAUGH DRIVE, SUITE 1000 77007 HOUSTON, TEXAS (Zip Code) (Address of principal executive offices) REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (713) 435-1000 Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [_] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [_] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [_] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [_] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 7.01. Regulation FD Disclosure. ------------------------ On May 19, 2005, Kirby Corporation's senior management will make a presentation to investors and analysts from 2:00 p.m. (Eastern time) until approximately 5:20 p.m. (Eastern time) in New York City. A live webcast of the presentation will be available to the public and replays will be available afterward. The webcast can be accessed by visiting Kirby's Web site at http://www.kirbycorp.com/ or by following the link below and selecting the ------------------------ streaming audio option: http://invite.mshow.com/findshow.aspx?usertype=0&cobrand=100&shownumber=235 --------------------------------------------------------------------------- 506 --- Reference: Kirby Corporation Analyst Day, show number 235506 Copies of materials prepared by Kirby for the presentation will be available on May 19, 2005 on Kirby's Web site and in a Form 8-K to be filed by Kirby with the Securities and Exchange Commission on that date. Item 9.01. Financial Statements and Exhibits. --------------------------------- (c) Exhibits 99.1 Press Release dated May 12, 2005 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. KIRBY CORPORATION (Registrant) By: /s/ NORMAN W. NOLEN ----------------------------------------- Norman W. Nolen Executive Vice President, Treasurer and Chief Financial Officer Dated: May 12, 2005 EXHIBIT INDEX Exhibit 99.1 Press release dated May 12, 2005