Press Release

LATROBE, Pa., Sept 29, 2010 /PRNewswire via COMTEX/ -- Kennametal Inc. (NYSE: KMT) announced today that it is providing supplemental information regarding selected fiscal year 2010 financial results, which should be read in connection with the company's Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission on August 12, 2010. The information includes non-GAAP financial measures and, in accordance with SEC Regulation G, the company has provided a reconciliation for each non-GAAP financial measure to the most directly comparable GAAP financial measure. The supplemental information is accessible on the company's website, http://www.kennametal.com/. Once on the homepage, select "Investor Relations."

Kennametal Inc. (NYSE: KMT) delivers productivity to customers seeking peak performance in demanding environments by providing innovative custom and standard wear-resistant solutions. This proven productivity is enabled through our advanced materials sciences and application knowledge. Our commitment to a sustainable environment provides additional value to our customers. Companies operating in everything from airframes to coal mining, from engines to oil wells and from turbochargers to construction recognize Kennametal for extraordinary contributions to their value chains. In fiscal year 2010, customers bought approximately $1.9 billion of Kennametal products and services - delivered by our approximately 11,000 talented employees doing business in more than 60 countries - with more than 50 percent of these revenues coming from outside North America. Visit us at http://www.kennametal.com/.

Adjusted Operating Margin

The following GAAP financial measure has been presented excluding restructuring and related charges: Operating margin. See reconciliations below. Management excludes these items in measuring and compensating internal performance to more easily compare the Company's financial performance period-to-period.

SOURCE: Kennametal Inc.