Certificate of RegistrationThis certifies that the Quality Management System of

Kennametal ISA-Specialty Metals207 Frenz Drive

New Castle, Pennsylvania, 16101, United States

has been assessed by NSF-ISR and found to be in conformance to the following standard(s):

AS9100D with ISO 9001:2015*Audited in accordance with AS9104/1:2012 Requirements for Aviation, Space, and Defense Quality Management System Certification Programs.

NSF-ISR is accredited under the Americas Aerospace Quality Group Registration Management Committee.

Scope of Registration:Campus: (Central Office) Administration, VIM Melting, Heat Treatment Furnaces,

Sizing Operations, HIP/CIP Operations and Purchasing.

Carl Blazik,Director, Technical Operations &Business Units, NSF-ISR, Ltd.

Page 1 of 2

Certificate Number: C0097530-AS7Certificate Decision/Re-Issue Date: 24-OCT-2018Certificate Issue Date: 06-DEC-2018Expiration Date *: 05-DEC-2021

This Annex is only Valid in connection with the above-mentioned certificate issued by NSF-ISRPage 2 of 2

ANNEX PAGE FOR CERTIFICATE REGISTRATION NUMBER C0097530-AS7

CERTIFICATE DECISION/RE-ISSUE DATE: 24-OCT-2018CERTIFICATE EXPIRATION DATE: 05-DEC-2021

Kennametal ISA-Specialty Metals207 Frenz Drive

New Castle, Pennsylvania, 16101, United States

Remote Location: Kennametal ISA -Chrome

599 Northgate CircleNew Castle, Pennsylvania, 16105, United States

Scope:Material analysis lab, Purchasing, Thermite Melting, VIM Melting, Heat Treatment Furnaces and Sizing Operations.