KENNAMETAL INC — Director's Dealing 2007

Oct 29, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KENNAMETAL INC (KMT)
CIK: 0000055242
Period of Report: 2007-10-26

Reporting Person: YOST LARRY D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-10-26	Common Stock	M	4500	$49.25	Acquired	4747	Direct
2007-10-26	Common Stock	S	100	$90.32	Disposed	4647	Direct
2007-10-26	Common Stock	S	200	$90.3	Disposed	4447	Direct
2007-10-26	Common Stock	S	300	$90.29	Disposed	4147	Direct
2007-10-26	Common Stock	S	200	$90.28	Disposed	3947	Direct
2007-10-26	Common Stock	S	100	$90.27	Disposed	3847	Direct
2007-10-26	Common Stock	S	100	$90.19	Disposed	3747	Direct
2007-10-26	Common Stock	S	100	$90.14	Disposed	3647	Direct
2007-10-26	Common Stock	S	100	$90.13	Disposed	3547	Direct
2007-10-26	Common Stock	S	100	$90.07	Disposed	3447	Direct
2007-10-26	Common Stock	S	100	$90.06	Disposed	3347	Direct
2007-10-26	Common Stock	S	100	$90.05	Disposed	3247	Direct
2007-10-26	Common Stock	S	200	$89.99	Disposed	3047	Direct
2007-10-26	Common Stock	S	1600	$89.97	Disposed	1447	Direct
2007-10-26	Common Stock	S	100	$89.96	Disposed	1347	Direct
2007-10-26	Common Stock	S	100	$89.95	Disposed	1247	Direct
2007-10-26	Common Stock	S	600	$89.93	Disposed	647	Direct
2007-10-26	Common Stock	S	200	$89.92	Disposed	447	Direct
2007-10-26	Common Stock	S	200	$89.91	Disposed	247	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-10-26	Non-Qualified Stock Option (right to buy)	$49.25	M	4500	Disposed	2007-10-29	Common Stock (4500)	Direct