Main activity 31/08/201820084675101 Registered entity Legal Situation Normal situation 26/11/2021 4Extract from Page 4from Document issued in accordance with Article III.34, §1 of the Code of Economic Law The legal terms were translated literally. Main activity 31/08/201820084675101 Document issued in accordance with Article III.34, §1 of the Code of Economic Law The legal terms were translated literally.

ADAS: Protecting sensors and cameras from EMI/RFI interference with electrically conductive thermoplastics that reduce weight versus metal Comptek, SilCoTec, Gordon Composites and Polystrand, including whether such businesses will be accretive, retain the management teams of acquired businesses, and retain relationships with customers of acquired businesses; 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; our ability to achieve new business gains; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; 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 or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions and employee productivity goals; an inability to raise or sustain prices for products or services; our ability to continue to pay cash dividends, including at the increasing rate, which will be subject to, among other factors, market conditions, our cash flow and cash requirements and restrictions contained in any of our debt agreements; and other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.

Stat-Tech™ electrically conductive materials protect your systems from electromagnetic interference better than metal housings or secondary processes Electrically conductive materials

LEADING MEDICAL TRAINING COMPANY M E D I C A L M A N I K I N S • Ability to color code various body parts for more accurate teaching and instruction • Maintain durability and performance through repeated use in a variety of training scenarios • Meet customer’s regulatory requirements • Provided specific colors and hardness for easier identification of body parts • Supplied a non-phthalate plastisol formulation that maintained strength and flexibility over an extended time • Offered robust technical support and regulatory assistance to meet all compliance directives as required by customer Core™ Non-Phthalate Plastisols KEY REQUIREMENTS WHY AVIENT?

Est-il conforme au Code et aux valeurs d’Avient? Aider ses associés à se conformer aux exigences du Code en leur fournissant des conseils sur le Code et les valeurs d’Avient Violations du code Nous prenons très au sérieux les violations de notre Code.

Est-il cohérent avec le Code et les valeurs d’Avient ? Aidez vos collaborateurs à respecter les exigences du Code, en fournissant une orientation sur le Code et les valeurs d’Avient Violations du code Nous prenons très au sérieux les violations de notre Code.

Powell for one year, while a search is conducted for a new independent director. Code of Ethics, Code of Conduct and Corporate Governance Guidelines In accordance with applicable NYSE listing standards and SEC regulations, the Board has adopted a Code of Ethics, Code of Conduct and Corporate Governance Guidelines. Deferrals under Internal Revenue Code tax-qualified plans, such as a 401(k) plan, do not affect our current tax deduction.

Colorant Chromatics™ Conductive Formulations Colorant Chromatics™ Conductive Formulations

Stat-Tech™ Static Dissipative & Electrically Conductive Formulations Therma-Tech™ Thermally Conductive Formulations

ATTENDANCE AND PARTICIPATION Our Annual Meeting will be conducted on the internet via live webcast. Additionally, Avient formed an internal Sustainability Council in 2019 that is responsible for managing sustainability initiatives at all levels of our organization in support of our long-term business strategy. 30 PROXY STATEMENT 2024 | Annual Meeting of Shareholders CODE OF ETHICS, CODE OF CONDUCT AND CORPORATE GOVERNANCE GUIDELINES In accordance with applicable NYSE listing standards and SEC regulations, the Board has adopted a Code of Ethics, Code of Conduct and Corporate Governance Guidelines. RELATED PERSON TRANSACTIONS Under our Code of Conduct, we prohibit all employees, including our officers and non-employee Directors from engaging in activities that would impact their ability to carry out their duties in an independent, objective fashion.