Leaders at our global facilities are in contact with local community leadership such as police and fire, labor safety organizations, local affiliates of global environmental regulatory agencies, local officials and/or trade unions and works councils. Our disclosures are located at: https://www.avient.com/company/policies-and-governance/ca-transparency-act-disclosure https://www.avient.com/sites/default/files/2025- 06/CM%20Europe%20Ltd%20Modern_Slavery_Statement_2025.pdf We reinforce Our Commitment to human rights, as set forth above, throughout our organization by incorporating and reflecting these principles in organizational policies, training programs, and our governance management framework. OUR SUPPLIERS AND PARTNERS Avient is also committed to working with suppliers, agents, and distributors who uphold the same standards. https://www.avient.com/company/policies-and-governance/code-conduct https://www.avient.com/company/policies-and-governance/ca-transparency-act-disclosure https://www.avient.com/sites/default/files/2025-06/CM%20Europe%20Ltd%20Modern_Slavery_Statement_2025.pdf https://www.avient.com/sites/default/files/2025-06/CM%20Europe%20Ltd%20Modern_Slavery_Statement_2025.pdf We strive to use supply chain partners whose policies, processes and systems ensure that human rights are respected, and whose trade does not directly or indirectly cause human rights violations globally.

https://entreprises.revenuquebec.ca/EntNa/SX/SX00/SX00.SXCLT20A You can use this service to validate a business’s QST registration number.

Avient PAC aligns with candidates who support laws and regulations consistent with sustainable business practices and Avient’s interests, represent a state or district where an Avient facility is located and/ or are active members or leadership of key committees/positions.

Refer to PolyOne Internet site – About Us > Locate Us http://www.polyone.com/en- us/Pages/default.aspx Who can answer questions about PolyOne conformance to various “Right-to-Know” legislation (such as California Proposition 65)? Setting and periodically reviewing environmental objectives and targets assures excellence in environmental leadership and product stewardship. PolyOne management will decide any future considerations for ISO 14001 registration. 8.0 Credit References Please contact your customer service representative to request specific references and related information. 9.0 Sustainability and No Surprises Pledge View policies at www.polyone.com http://www.polyone.com/en-us/docs/Documents/PolyOne%20No%20Surprises%20Pledge.pdf

Page 2 of 5 https://abs.zertic.com https://abs.zertic.com Avient Corporation Design and Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds ul. Page 3 of 5 https://abs.zertic.com https://abs.zertic.com Avient Corporation Manufacture of Masterbatches, Additives, ECCOH, and Compounds for Pigmenting Thermoplastic Pol. Page 5 of 5 https://abs.zertic.com https://abs.zertic.com

Our strategy is enabled by our focus on four Strategic Drivers: portfolio prioritization, amplify innovation, digital for Letter to Our Shareholders20 24 Annual Report | 2024 1 operational excellence and growth, and leadership, talent and culture for the Avient of the future. We’ve enhanced our leadership team with a new Chief Technology Officer, SVP of New Business Development & Marketing Excellence, SVP and General Counsel, and Chief Information Officer, all with proven track records and expertise in their respective fields. Sequeira Vice President, Chief Information Officer Leadership Committees 1.

Under the leadership of our Producer Services team located in Texas, we look forward to expanding our capabilities in Mexico with improved customer service, quality and delivery.”

For our existing workforce, the leadership development opportunities continue to abound. Our graduates immediately put their new leadership skills into action to serve our customers. For our existing workforce, the leadership d to abound.

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