1616267 Certification Effective Date: April 1, 2021 Issue Date: March 30, 2021 Certificate Expiry Date: March 31, 2024 ________________________________________________________________________________ ISO 9001 Registered by: QMI-SAI Canada Limited (SAI Global), 20 Carlson Court, Suite 200, Toronto, Ontario M9W 7K6 Canada.

If the ink does not reach temperature, repeat the procedure with higher temperature settings. If the ink still does reach temperature, but goes higher than 5 degrees above the target, lower the temperature setting and repeat the procedure.

Recycle/Reuse and Waste Management Procedures Avient strives to achieve high environmental standards in both mature and emerging markets through the development of security and environmental management systems, audit/review procedures, certifications, local training programs and best-practice management systems.

This responsibility includes incorporating sustainability objectives into the strategic plan when appropriate. Cost to realize opportunity: The cost to implement the vPPAs is negligible, as it comprises only low admin costs and legal fees. Fuels (excluding feedstocks) Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 71 Diesel Heating value HHV (higher heating value) Total fuel MWh consumed by the organization 5,913 Emission factor 74.203 Unit kg CO2e per million Btu Emissions factor source US EPA Mandatory Reporting Rule (MRR) - Final Rule (40 CFR 98) - Industrial Sector 2013 Comment Fuels (excluding feedstocks) Natural Gas Heating value HHV (higher heating value) Total fuel MWh consumed by the organization 93,411 Emission factor 53.115 Unit kg CO2e per million Btu Emissions factor source US EPA Mandatory Reporting Rule (MRR) - Final Rule (40 CFR 98) - Industrial Sector 2013 Comment C8.2d (C8.2d) Provide details on the electricity, heat, steam, and cooling your organization has generated and consumed in the reporting year.

1616267 Certification Effective Date: April 1, 2021 Issue Date: March 30, 2021 Certificate Expiry Date: March 31, 2024 ________________________________________________________________________________ ISO 9001 Registered by: QMI-SAI Canada Limited (SAI Global), 20 Carlson Court, Suite 200, Toronto, Ontario M9W 7K6 Canada.

Additives and Colorants for PP-R and PP-RCT Pipe Systems Polypropylene-random grades (PP-R and PP- RCT) are increasingly used for hot and cold water supply pipe systems in civil and public buildings. Benefits include resistance to high temperatures and corrosion, chemical stability, cost effectiveness compared to other materials, and heat weldability to connect different components (e.g. pipes and fittings).

The parties agree that Seller need not further object to any specific terms and conditions set by Buyer; such failure to object to Buyer’s specific terms and conditions is not an acceptance of any such terms and conditions. In no event shall Seller be liable for any damages and/or costs due to delay in delivery. Any dispute arising out of or in connection with these Terms, including any question regarding its existence, validity or termination, shall be referred to and finally resolved by arbitration under the LCIA Rules, which Rules are deemed to be incorporated by reference into this clause.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks, including recessionary conditions; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows, including without limitation, any supply chain and logistics issues; changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; fluctuations in raw material prices, quality and supply, and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; information systems failures and cyberattacks; amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; our ability to successfully integrate the Avient Protective Materials business and achieve the expected results of the business, including without limitation, the acquisition being accretive; any material adverse changes in the business supporting the Distribution assets being sold; the ability to obtain required regulatory approvals and otherwise consummate the proposed sale of the Distribution business; our ability to achieve the strategic and other objectives relating to the Avient Protective Materials business and the proposed sale of the Distribution business; and other factors described in our Annual Report on Form 10-K for the year ended

The parties agree that Seller need not further object to any specific terms and conditions set by Buyer; such failure to object to Buyer’s specific terms and conditions is not an acceptance of any such terms and conditions. In no event shall Seller be liable for any damages and/or costs due to delay in delivery. Any dispute arising out of or in connection with these Terms, including any question regarding its existence, validity or termination, shall be referred to and finally resolved by arbitration under the Saudi Center for Commercial Arbitration Rules, which Rules are deemed to be incorporated by reference into this clause.

These solutions allow the technology to operate safely and effectively, while reducing installation time and costs.  Factors that could cause actual results to differ materially from those implied by these forward-looking statements include disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows including without any limitation, any supply chain and logistics issues; the speed and strength of growth in the global 5G infrastructure market; our ability to achieve the strategic and other objectives relating to the acquisition of Clariant's Masterbatch business, including any expected synergies; changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; fluctuations in raw material prices, quality and supply, and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; an inability to achieve the anticipated financial benefit from initiatives related to acquisition and integration working capital reductions, cost reductions and employee productivity goals; our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; information systems failures and cyberattacks; our ability to consummate and successfully integrate acquisitions; and amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions.