Accredited Body: UL DQS Inc., 1130 West Lake Cook Road, Suite 340, Buffalo Grove, IL 60089 USA UL DQS Inc. is accredited by ANAB under the ICOP scheme and recognized by the Americas Aerospace Quality Group (AAQG)

CERTIFICATE

This is to certify that

Maclean-ESNA Division of Maclean-Fogg

611 Country Club Road Pocahontas, AR 72455 United States of America

has implemented and maintains a Quality Management System for its certification structure Single Site.

Scope: The manufacture of self-locking fasteners and specialty screw machine products.

Through an audit, performed in accordance with AS9104/1, rev. 2012-01, it was verified that the management system fulfills the requirements of the following standard:

AS 9100C (technically equivalent to EN 9100 : 2009 and JISQ 9100 : 2009) Quality Management Systems - Requirements for Aviation, Space and Defense Organizations

Certificate registration no.

Date of original certification

Date of certification

Valid until

10001490 ASH09-1

1998-08-31

2014-01-14

2017-01-13

UL DQS Inc.

Ganesh Rao Managing Director

Accredited Body: UL DQS Inc., 1130 West Lake Cook Road, Suite 340, Buffalo Grove, IL 60089 USA

CERTIFICATE

This is to certify that

Maclean-ESNA Division of Maclean-Fogg

611 Country Club Road Pocahontas, AR 72455 United States of America

has implemented and maintains a Quality Management System.

Scope: The manufacture of self-locking fasteners and specialty screw machine products.

Through an audit, documented in a report, it was verified that the management system fulfills the requirements of the following standard:

ISO 9001 : 2008

Certificate registration no.

Date of original certification

Date of certification

Valid until

10001490 QM08

1998-08-31

2014-01-14

2017-01-13

UL DQS Inc.

Ganesh Rao Managing Director

Accredited Body: UL DQS Inc., 1130 West Lake Cook Road, Suite 340, Buffalo Grove, IL 60089 USA

CERTIFICATE

This is to certify that

MacLean - ESNA Division of MacLean-Fogg

611 Country Club Road Pocahontas, AR 72455 United States of America

has implemented and maintains an Environmental Management System.

Scope: The environmental activities and supporting processes, associated with the manufacture and distribution of screw machine products and cold-formed products.

Through an audit, documented in a report, it was verified that the management system fulfills the requirements of the following standard:

ISO 14001 : 2004

Certificate registration no.

Date of original certification

Date of certification

Valid until

10001490 UM

2004-10-14

2013-10-14

2016-10-13

UL DQS Inc.

Ganesh Rao Managing Director

Performance Review Institute (PRI) | 161 Thorn Hill Road | Warrendale, PA 15086-7527

Joseph G. PintoExecutive Vice President and Chief Operating Offi cerJoseph G. Pinto

This certificate is granted and awarded by the authority of the Nadcap Management Council to:

MacLean-ESNA

611 Country Club Rd Pocahontas, AR 72455

United States

This certificate demonstrates conformance and recognition of accreditation for specific services, aslisted in www.eAuditNet.com on the Qualified Manufacturers List (QML), to the revision in effect at the

time of the audit for:

Chemical Processing

Certificate Number: 9313164626Expiration Date: 31 October 2016

Performance Review Institute (PRI) | 161 Thorn Hill Road | Warrendale, PA 15086-7527

Joseph G. PintoExecutive Vice President and Chief Operating Offi cerJoseph G. Pinto

This certificate is granted and awarded by the authority of the Nadcap Management Council to:

MacLean-ESNA

611 Country Club Rd Pocahontas, AR 72455

United States

This certificate demonstrates conformance and recognition of accreditation for specific services, aslisted in www.eAuditNet.com on the Qualified Manufacturers List (QML), to the revision in effect at the

time of the audit for:

Materials Testing

Certificate Number: 9313164026Expiration Date: 31 July 2016

Performance Review Institute (PRI) | 161 Thorn Hill Road | Warrendale, PA 15086-7527

Joseph G. PintoExecutive Vice President and Chief Operating Offi cerJoseph G. Pinto

This certificate is granted and awarded by the authority of the Nadcap Management Council to:

MacLean-ESNA

611 Country Club Rd Pocahontas, AR 72455

United States

This certificate demonstrates conformance and recognition of accreditation for specific services, aslisted in www.eAuditNet.com on the Qualified Manufacturers List (QML), to the revision in effect at the

time of the audit for:

NonDestructive Testing

Certificate Number: 9313162349Expiration Date: 31 July 2016