By 2030, Avient will assess its top suppliers representing 90% of our total raw material costs for alignment with our Sustainability Objectives. 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. The Avient Supplemental Retirement Benefit Plan is also subject to the rules of Code Section 409A, which restricts the timing of distributions.

Product Stewardship Policy Product Stewardship plays a significant role in Avient’s sustainable and ethical business practices. As a member of the American Chemistry Council, we have adopted Responsible Care® Guiding Principles and the Product Safety Code of Management Practices to guide our efforts in material sourcing, development and management of our product portfolio throughout the value chain and life cycle. In alignment with these principles and practices, Avient is committed to:  Complying with all applicable laws, regulations and industry standards

Consistent conductivity ensures repeatable part performance and minimizes failures related to inconsistent electrical conductivity. www.avient.com Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Thermoplastics have a lower thermal conductivity than metals; this provides a consistent and more comfortable tactile feel during handling at low or elevated temperatures which can be highly desirable. Conductive – Modify the inherent electrical insulative nature of plastics with additive technologies to render them antistatic, static dissipative, conductive, or to provide EMI shielding characteristics.

LEADING BIOTECH MANUFACTURER C O N D U C T I V E P I P E T T E T I P S • Accuracy of liquid measurements • Hydrophobic properties to minimize fluid retention • Concentric dimensional stability and warp resistance • High flow properties for multi-cavity molds • Offered consistent electrical conductivity to achieve repeatable part performance and minimize failures from inconsistent conductivity • Provided high flow grade with easy processing to improve efficiency and cost effectiveness • Achieved high stiffness and warp resistance, minimizing the rejection rate Trilliant™ HC Conductive Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION CONSISTENT CONDUCTIVITY + HIGH FLOW LEARN MORE Copyright © 2022, Avient Corporation.

Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

PROXY STATEMENT 2025 | Annual Meeting of Shareholders 30 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. The Avient Supplemental Retirement Benefit Plan is also subject to the rules of Code Section 409A, which restricts the timing of distributions.

As suppliers of these materials continue to develop innovations in chemistry and capabilities, the appeal of both TPEs and LSR will grow even stronger. When looking to incorporate sustainable content into your TPE, the raw material cost may be more expensive than traditional materials for three reasons 1) supply chain maturity, 2) high demand, low supply, 3) location of source and supplier.

As suppliers of these materials continue to develop innovations in chemistry and capabilities, the appeal of both TPEs and LSR will grow even stronger. When looking to incorporate sustainable content into your TPE, the raw material cost may be more expensive than traditional materials for three reasons 1) supply chain maturity, 2) high demand, low supply, 3) location of source and supplier.

As suppliers of these materials continue to develop innovations in chemistry and capabilities, the appeal of both TPEs and LSR will grow even stronger. When looking to incorporate sustainable content into your TPE, the raw material cost may be more expensive than traditional materials for three reasons 1) supply chain maturity, 2) high demand, low supply, 3) location of source and supplier.