Accredited Body: DQS Inc., 1500 McConnor Parkway, Suite 400, Schaumburg, IL 60173 USA 1 / 2 CERTIFICATE This is to certify that Washington Penn Plastic de México, S. de R.L. de C.V. / Uniform Color de Mexico, S. de R.L. de C.V. Industria regiomontana #101 Parque industrial Stiva Aeropuerto. Apodaca, Nuevo León 66600 México with the organizational units/sites as listed in the annex has implemented and maintains an Environmental Management System. Scope: The environmental management system associated with the development and manufacture of custom thermoplastic compounds, color concentrates, recycled resins and resale of plastic resins. Through an audit, documented in a report, it was verified that the management system fulfills the requirements of the following standard: ISO 14001 : 2015 Certificate registration no. Date of original certification Date of certification Valid until 10016699 UM15 2019-07-11 2019-07-11 2022-07-10 DQS Inc. Brad McGuire Managing Director