Table of Contents (Exact name of registrant as specified in its charter) Pennsylvania 25-0900168 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2019 FORM 10-Q Commission file number 1-5318 QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 KENNAMETAL INC. (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 600 Grant Street Suite 5100 (Address of principal exe ...