1 ================================================================================ 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 9, 2000 KENNAMETAL INC. (Exact name of registrant as specified in its charter) Commission file number 1-5318 PENNSYLVANIA 25-0900168 (State or other jurisdiction (I.R.S. Employer of incorporation) Identification No.) WORLD HEADQUARTERS 1600 TECHNOLOGY WAY P.O. BOX 231 LATROBE, PENNSYLVANIA 15650-0231 (Address of registrant's principal executive offices) Registrant's telephone number, including area code: (724) 539-5000 ================================================================================

2 ITEM 5. OTHER EVENTS On May 2, 2000, JLK Direct Distribution Inc. (JLK), an 83 percent-owned subsidiary of Kennametal Inc., issued a news release regarding the announcement of the resignation of Mr. Richard J. Orwig as President and CEO of JLK. JLK also announced that Mr. Jeffery M. Boetticher, currently a member of JLK's Board of Directors, will be replacing Mr. Orwig on an interim basis and that a search would be immediately initiated for Mr. Orwig's successor.

3 SIGNATURE 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. KENNAMETAL INC. Date: May 9, 2000 By: /s/ FRANK P. SIMPKINS ---------------------- Frank P. Simpkins Corporate Controller and Chief Accounting Officer