Attached files
| file | filename |
|---|---|
| 10-K/A - 10-K/A - KENNAMETAL INC | d430785d10ka.htm |
| EX-31.4 - EX-31.4 - KENNAMETAL INC | d430785dex314.htm |
Exhibit 31.3
I, Carlos M. Cardoso, certify that:
| 1. | I have reviewed this Form 10-K/A Amendment No. 1 to Form 10-K of Kennametal Inc.; |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; |
| /s/ Carlos M. Cardoso |
| Carlos M. Cardoso |
| Chairman, President and Chief Executive Officer |
| October 31, 2012 |