Product Stewardship supports the Avient portfolio by providing information related to the safe use and handling of products through hazard communication, and by complying with global and local regulations. Continuous customer communications on product safety related to new and existing applications are an integral part of understanding the health and safety impacts of our product portfolio. We maintain data related to the environmental, health and safety of our products in our product stewardship database.

Sink Marks Melt too hot • Decrease nozzle and barrel temperatures• Decrease mold temperature Insufficient material volume • Adjust transfer position • Increase shot size • Increase injection rate • Increase packing pressure Part geometry too thick • Reduce wall thickness • Reduce rib thickness Processing Guide 5 Troubleshooting Recommendations Problem Cause Solution Flash Injection pressure too high • Decrease injection pressure • Increase clamp pressure • Decrease injection rate • Increase transfer position Excess material volume • Adjust transfer position • Decrease pack pressure • Decrease shot size • Decrease injection rate Melt or mold too hot • Decrease nozzle and barrel temperatures • Decrease mold temperature Loose clamp • Reset mold height• Increase clamp tonnage Shrink Too much shrink • Increase cooling time• Decrease mold temperature Too little shrink • Decrease cooling time • Increase mold temperature Burning Process related • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease injection rate • Reduce decompression Mold design • Clean, widen and increase number of vents• Increase gate size to reduce shear Wet material • Verify material is dried at proper condition Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature • Decrease back pressure • Increase screw decompression • Verify material has been dried at proper conditions Incorrect nozzle • Use reverse taper tip Weld Lines Melt front temperatures are too low • Increase injection rate • Increase pack and hold pressure • Increase melt temperature • Increase mold temperature Mold design • Increase gate size • Identify end of fill pattern and verify proper vent location • Add vents or increase vent width • Move gate location 6 Artisan Pre-Colored Thermoplastics Problem Cause Solution Warp Process related • Increase melt temp • Reduce injection speed • Increase pack pressure • Increase pack time • Decrease mold temperature • Increase cool time Mold design • Non-uniform mold cooling Part design • Non-uniform wall thickness Thermolator incorrect temperature • Check settings • Inspect thermocouple Sticking in Mold Overfilled cavity • Decrease injection rate and pressure • Decrease hold pressure • Adjust transfer position • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease cooling time Part too hot • Decrease barrel temperature • Decrease mold temperature • Increase cooling time Mold design • Increase draft angle • Polish cores in direction of ejection Black Specks Contamination • Purge machine Degradation • Reduce melt temperature • Reduce screw speed • Reduce back pressure Machine related • Check for wear on screw, barrel or check ring Delamination Process related • Increase melt temperature • Decrease injection speed • Purge barrel to eliminate material contamination Mold design • Reduce sharp corners in material flow path • Increase venting Troubleshooting Recommendations Processing Guide 7 Troubleshooting Recommendations Problem Cause Solution Discoloration Oversheared material • Decrease melt temperature • Decrease injection speed • Reduce residence time Mold design • Increase gate sizing Dry material • Check moisture of material to ensure it is within the recommended moisture percentage for molding 1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.

Sink Marks Melt too hot • Decrease nozzle and barrel temperatures • Decrease mold temperature Insufficient material volume • Adjust transfer position • Increase shot size • Increase injection rate • Increase packing pressure Part geometry too thick • Reduce wall thickness • Reduce rib thickness TROUBLESHOOTING RECOMMENDATIONS PROBLEM CAUSE SOLUTION Flash Injection pressure too high • Decrease injection pressure • Increase clamp pressure • Decrease injection rate • Increase transfer position Excess material volume • Adjust transfer position • Decrease pack pressure • Decrease shot size • Decrease injection rate Melt and/or mold temperature too hot • Decrease nozzle and barrel temperatures • Decrease mold temperature Loose clamp • Reset mold height • Increase clamp tonnage Shrink Too much shrink • Increase cooling time • Decrease mold temperature Too little shrink • Decrease cooling time • Increase mold temperature Burning Process related • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease injection rate • Reduce decompression Mold design • Clean, widen and increase number of vents • Increase gate size to reduce shear Wet material • Verify material is dried at proper condition Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature • Decrease back pressure • Increase screw decompression • Verify material has been dried at proper conditions Incorrect nozzle • Use reverse taper tip Weld Lines Melt front temperatures are too low • Increase injection rate • Increase pack and hold pressure • Increase melt temperature • Increase mold temperature Mold design • Increase gate size • Identify end of fill pattern and verify proper vent location • Add vents or increase vent width • Move gate location TROUBLESHOOTING RECOMMENDATIONS PROBLEM CAUSE SOLUTION Warp Process related • Increase melt temperature • Reduce injection speed • Increase pack pressure • Increase pack time • Decrease mold temperature • Increase cool time Mold design • Non-uniform mold cooling Part design • Non-uniform wall thickness Thermolator incorrect temperature • Check settings • Inspect thermocouple Sticking in Mold Overfilled cavity • Decrease injection rate and pressure • Decrease hold pressure • Adjust transfer position • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease cooling time Part too hot • Decrease barrel temperature • Decrease mold temperature • Increase cooling time Mold design • Increase draft angle • Polish cores in direction of ejection Black Specks Contamination • Purge machine Degradation • Reduce melt temperature • Reduce screw speed • Reduce back pressure Machine related • Check for wear on screw, barrel or check ring Delamination Process related • Increase melt temperature • Decrease injection speed • Purge barrel to eliminate material contamination Mold design • Reduce sharp corners in material flow path • Increase venting TROUBLESHOOTING RECOMMENDATIONS PROBLEM CAUSE SOLUTION Discoloration Oversheared material • Decrease melt temperature • Decrease injection speed • Reduce residence time Mold design • Increase gate sizing Dry material • Check moisture of material to ensure it is within the recommended moisture percentage for molding TROUBLESHOOTING RECOMMENDATIONS 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

Éviter les conflits d’intérêts qui impliquent des relations commerciales avec des membres de la famille et des amis personnels proches chez Avient. Les fournisseurs sont tenus de divulguer immédiatement ces types de relations à Avient avant de commencer l’activité ou dès que ces conflits surviennent Traiter toutes les transactions et relations commerciales avec Avient comme confidentielles et exclusives.

With the assistance of management and any outside advisers the Committee deems appropriate (a) review and discuss with management the Company’s disclosures in the CD&A, and, based on this review, make a recommendation as to whether to include it in the Company’s annual report on Form 10-K and proxy statement relating to the Company’s 4 annual meeting of shareholders, and (b) prepare a Compensation Committee Report for inclusion in the Company’s proxy statement or other applicable SEC filings. The Committee may delegate its authority under this Charter relating to employees other than executive officers and non-employee directors, to the extent it deems appropriate and consistent with law and customary practice, and may otherwise fully delegate authority relating to matters it deems to be ministerial The Committee may delegate its authority under this Charter relating to employee benefit plans in which executive officers participate if such employee benefit plans are broad-based, to the extent it deems appropriate and consistent with law and customary practice

With the assistance of management and any outside advisers the Committee deems appropriate (a) review and discuss with management the Company’s disclosures in the CD&A, and, based on this review, make a recommendation as to whether to include it in the Company’s annual report on Form 10-K and proxy statement relating to the Company’s annual meeting of shareholders, and (b) prepare a Compensation Committee Report for inclusion in the Company’s proxy statement or other applicable SEC filings. 4 Board Reports and Annual Evaluation The Committee may delegate its authority under this Charter relating to employees other than executive officers and non-employee directors, to the extent it deems appropriate and consistent with law and customary practice and may otherwise fully delegate authority relating to matters it deems to be ministerial The Committee may delegate its authority under this Charter relating to employee benefit plans in which executive officers participate if such employee benefit plans are broad-based, to the extent it deems appropriate and consistent with law and customary practice

If Seller grants a discount, such discount only relates to the delivery and/or quantity of the Products specifically mentioned in Seller’s order confirmation. Any such statement, sample or other information of Seller in relation to the Specifications, the Products and the use thereof are furnished for the accommodation of Buyer only and are not warranties or representations of performance. 15. The exclusive place of jurisdiction for any dispute, claim or controversy arising under, out of or in connection with or related to these Terms and the contract they form part of (or subsequent amendments thereof), shall be the place of the registered seat of the Seller in Switzerland. 22.

If Seller grants a discount, such discount only relates to the delivery and/or quantity of the Products specifically mentioned in Seller’s order confirmation. Any such statement, sample or other information of Seller in relation to the Specifications, the Products and the use thereof are furnished for the accommodation of Buyer only and are not warranties or representations of performance. 15. These Terms and any non-contractual obligations relating to them shall be governed by Irish law.

If Seller grants a discount, such discount only relates to the delivery and/or quantity of the Products specifically mentioned in Seller’s order confirmation. Any such statement, sample or other information of Seller in relation to the Specifications, the Products and the use thereof are furnished for the accommodation of Buyer only and are not warranties or representations of performance. 15. Buyer consents to the transfer of its data, entrusted to the Seller, to Avient in the USA for purposes related to the contractual relationship. 25.

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