GUARDIAN CREDENTIALS:

Fire Test Lab Accreditation: Guardian Fire Testing Laboratories Inc. is accredited as a fire testing laboratory through the following accreditation agency: ANSI/ASQ/ANAB/ACLASS (American National Standards Institute; American Society for Quality, American National Accreditation Board, and Assured Calibration and Laboratory Accreditation Select Services). The international standard used by these agencies to judge Guardian's qualifications for accreditation is ISO/IEC 17025-2005.

Inspection Agency Accreditation: Guardian also is accredited as an Inspection Agency by ANSI/ASQ/ANAB/ACLASS. The international Standard used for this accreditation is ISO 17020.

For details of Guardian's test lab accreditation, go to www.aclasscorp.com and follow the instructions given for accessing the relevant information about Guardian. Guardian’ s test lab certificate number is AT-1247. Guardian’s Inspection Agency Certificate # is AI-1548.

Information about the relationship between ANSI-ASQ/ANAB and ACLASS also is available at
www.aclasscorp.com.

For information about ISO, go to www.iso.org.

N.B.: The International Laboratory Accreditation Cooperation(ILAC) has issued a Mutural Recognition
Arrangement (MRA). This Arrangement ensures that Accreditation Agencies world wide will recognize
each others’ approval of test labs and inspection agencies, because they have been accredited by their fellow
signatory members of the MRA. The Arrangement has been signed by Accreditation Agencies from around
the world. ACLASS is a signatory member of the ILAC MRA. Because Guardian is accredited by ACLASS,
Guardian’s services are acceptable worldwide.