Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”).

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”).

Seller warrants good and clear title in goods subject of the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”).

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis, a Certificate of Compliance, or a Product Specification Sheet, if any such document exists, and other specifications signed by Seller (“Specifications”).

ISO 14001, Responsible Care 14001, ISO 45001, ISO 50001, and OHSAS 18001, certification at 74% of facilities. Sourcing method Unbundled energy attribute certificates, Renewable Energy Certificates (RECs) Low-carbon technology type Low-carbon energy mix Country/area of consumption of low-carbon electricity, heat, steam or cooling United States of America MWh consumed accounted for at a zero emission factor 100,004 Comment Sourcing method Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 73 Unbundled energy attribute certificates, Renewable Energy Certificates (RECs) Low-carbon technology type Low-carbon energy mix Country/area of consumption of low-carbon electricity, heat, steam or cooling Czechia MWh consumed accounted for at a zero emission factor 312 Comment Sourcing method Unbundled energy attribute certificates, Renewable Energy Certificates (RECs) Low-carbon technology type Low-carbon energy mix Country/area of consumption of low-carbon electricity, heat, steam or cooling Italy MWh consumed accounted for at a zero emission factor 17,864 Comment Sourcing method Green electricity products (e.g. green tariffs) from an energy supplier, supported by energy attribute certificates Low-carbon technology type Low-carbon energy mix Country/area of consumption of low-carbon electricity, heat, steam or cooling Belgium MWh consumed accounted for at a zero emission factor 334.93 Comment Sourcing method Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 74 Green electricity products (e.g. green tariffs) from an energy supplier, supported by energy attribute certificates Low-carbon technology type Low-carbon energy mix Country/area of consumption of low-carbon electricity, heat, steam or cooling Germany MWh consumed accounted for at a zero emission factor 5,833.88 Comment Sourcing method Green electricity products (e.g. green tariffs) from an energy supplier, supported by energy attribute certificates Low-carbon technology type Low-carbon energy mix Country/area of consumption of low-carbon electricity, heat, steam or cooling Sweden MWh consumed accounted for at a zero emission factor 1,882.92 Comment Sourcing method Green electricity products (e.g. green tariffs) from an energy supplier, supported by energy attribute certificates Low-carbon technology type Low-carbon energy mix Country/area of consumption of low-carbon electricity, heat, steam or cooling Argentina MWh consumed accounted for at a zero emission factor 239.95 Comment Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 75 C-CH8.3 (C-CH8.3) Does your organization consume fuels as feedstocks for chemical production activities? In addition, Avient has ISO 9001 worldwide and ISO 14001 and ISO 50001 certification at many facilities.

Disposer des licences, immatriculations et certifications appropriées requises pour mener des activités dans les lieux où vous les exercez

EC) 1907/2006 and amendments) • UL94 file for MB (QMQS.E73454) and formulations (QMQS.E103015) • “Toys declaration” Directive 2009/48/EC • Waste Electrical & Electronic Equipment (WEEE) * Contact us for more detailed information about our ISO certifications.

Through this data, we create safety data sheet sand customer certification statements for intended use and product safety improvements. External third-party certification is an important part of ensuring our products are both safe and produced in alignment with industry standard best practices. Combined, Avient facilities have a total of 286 management system certifications.

News Release - AVNT-2021.12.31-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Fourth Quarter and Full Year 2021 Results Financial Performance • Fourth quarter and full year sales increased 21% to $1.2 billion and 27% to $4.8 billion, respectively • Fourth quarter and full year GAAP EPS of $0.32 and $2.51 compared to $0.81 and $1.46 in the prior year • Fourth quarter and full year adjusted EPS increased 12% to $0.58 and 58% to $3.05, respectively • Initiates 2022 guidance of $5.1 billion in sales and $3.50 in adjusted EPS Milestone Achievements • Increased dividend on an annualized basis by 12% to $0.95; the 11th year in a row of an annual increase • Increased EBITDA contribution from Clariant acquisition from $133 to $205 million and reduced net debt to adjusted EBITDA to 2.2x, one year ahead of schedule • Joined the United Nations Global Compact, recognized as one of America’s Most Responsible Companies by Newsweek, and earned the company's third consecutive Great Place to Work® certification. In December, we completed our annual employee engagement survey and received our 3rd consecutive Great Place to Work® certification from the Great Place to Work Institute.” 3 2022 Outlook “As we discussed during our Investor Day in December, we have momentum in growing sustainable solutions, solving healthcare challenges and broadening advanced composite applications,” said Jamie A.

Review disclosures made to the Audit Committee by the Company’s CEO and CFO during their certification process for reports on Form 10-K and Form 10-Q about any significant deficiencies in the design or operation of internal controls and procedures or material weaknesses therein and 4 any fraud involving management or other employees who have a significant role in the Company’s internal controls and procedures. 10.