ABS Quality Evaluations Certificate Of Conformance PolyOne Corporation 1260 Carden Farm Drive Clinton, TN 33716 U.S.A. has been assessed by ABS Quality Evaluations,Inc. and found to be in conformance with the requirements set forth by: RC14001®:2015 COMPOUNDING OF THERMOPLASTIC PRODUCTS Certificate No: 55287 Effective Date: 07 December 2017 Expiration Date: 06 December 2020 Issue Date: 07 December 2017 Alex Weisselberg, President Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

Water Street North Baltimore, OH 45872 U.S.A. has been assessed by ABSQuality Evaluations,Inc. and found to be in conformance with the requirements set forth by: RC14001®:2015 DESIGN AND MANUFACTURE OF CUSTOM PVC COMPOUNDS Certificate No: 55421 Effective Date: 20 November 2017 Expiration Date: 19 November 2020 Issue Date: 20 November 2017 Alex Weisselberg, President Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

Trilliant HC - OCD Microwells IVD Testing - Application Snapshot ORTHO CLINICAL DIAGNOSTICS M I C R O W E L L S F O R I V D D E V I C E • PS-based material • Strict TiO2 content/filling to secure accurate performance • Material to be suitable and complaint with the IVDD/IVDR standards • Surface chemical performance essential for the application • Worked in close collaboration with customer and internal teams to fully understand and overcome current material challenges • Identified anomalies in existing formulation using material science expertise and customized an alternative formulation • Enabled customer to improve processing efficiency, reduce scrap rate and respond to the increased market demand Trilliant™ HC7410-5001 X4 thermoplastics in white KEY REQUIREMENTS WHY AVIENT?

Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

PTFE Wire insulation TUBING MANUFACTURER P T F E C A T H E T E R T U B I N G • Food contact compliance • Avoid contamination risks resulting ​from dry pigments • Powder paste extrusion process • High quality dispersion • Availability of custom color options • Supplied pigments with FDA clearance • Optimized pigment particle size and distribution to achieve high-quality dispersion • Provided a technology based on high-quality pigments and ready-to-use formulations​ • Offered a standard liquid pigment portfolio in a wide range of shades with color-matching capabilities • Improved manufacturing process stability and efficiency Colorant Chromatics PTFE Dispersed Pigment Solutions KEY REQUIREMENTS WHY AVIENT?

Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

He is based in Avient’s world headquarters located outside Cleveland, Ohio.

During his tenure, he also served in an international assignment while based in Germany where he established and led the new business and marketing function during the integration of a large acquisition.

Certificate No: 39115 Certification Date: 10 September 2009 Effective Date: 31 May 2018 Expiration Date: 30 July 2021 Issue Date: 31 May 2018 Alex Weisselberg, President Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.