Certificate of RegistrationThis certifies that the Environmental Management System of

Georg Fischer Central Plastics LLC39605 Independence

Shawnee, Oklahoma, 74801, United States

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

ISO 14001:2004

Scope of Registration:Environmental, Health and Safety Management System for Georg Fischer Central Plastics which includes the design, manufacture, and sales of plastic

pipe fittings; and other products for use in plastic or metal pipe systems for the fuel gas, water, sewer and other industries.

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

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Certificate Number: 63881-EM2Certificate Issue Date: 16-OCT-2015Registration Date: 27-DEC-2015Expiration Date *: 14-SEP-2018

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

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ANNEX PAGE FOR CERTIFICATE REGISTRATION NUMBER 63881-EM2

CERTIFICATE ISSUE DATE: 16-OCT-2015CERTIFICATE EXPIRATION DATE: 14-SEP-2018

Georg Fischer Central Plastics LLC39605 Independence

Shawnee, Oklahoma, 74801, United States

Remote Location: Georg Fischer Central Plastics LLC - Dallas

4949 Joseph Hardin DriveDallas, Texas, 75236, United States

Scope:The design, manufacture, and sale of plastic pipe and fittings for the fuel gas, water,seser, and other systems