A combination of novel material technology, part and tool design as well as innovations in overmolding technology will continue to fuel the imagination of the designer community to meet the everdemanding needs in ergonomics, aesthetics and value addition in the consumer market.

All Rights Reserved 2024 25 Strong and committed team leading the change Leslie Sequeira Chief Information Officer Jamie Beggs SVP and Chief Financial Officer Joel Rathbun SVP Mergers & Acquisitions Woon Keat Moh SVP and President Color, Additives and Inks Chris Pederson SVP and President Specialty Engineered Materials Amy Sanders SVP, General Counsel and Secretary Kyle Rose VP, Corporate Communications John Midea SVP, Global Ops and Process Improvement NEW NEW Kristen Gajewski SVP and Chief Human Resources Officer ALSO HERE TODAY Phil Clark SVP and Chief Technology Officer NEW ALSO HERE TODAY Mike Irwin SVP, New Business Development and Marketing Excellence NEW Color, Additives and Inks SEGMENT STRATEGIC REVIEW Woon Keat Moh AVIENT INVESTOR DAY December 4, 2024 Copyright © .

Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com 6 Attachment 1 Avient Corporation Reconciliation of Adjusted Net Income and Earnings Per Share (Unaudited) (In millions, except per share data) Senior management uses comparisons of adjusted net income attributable to Avient common shareholders and diluted adjusted earnings per share (EPS) attributable to Avient common shareholders, excluding special items, to assess performance and facilitate comparability of results.

Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com 6 Attachment 1 Avient Corporation Reconciliation of Adjusted Net Income and Earnings Per Share (Unaudited) (In millions, except per share data) Senior management uses comparisons of adjusted net income attributable to Avient common shareholders and diluted adjusted earnings per share (EPS) attributable to Avient common shareholders, excluding special items, to assess performance and facilitate comparability of results.

Discover materials from Avient that can enable faster and more reliable communication, minimize signal loss and maximize connectivity, protect electronics from static build up and radio frequency interference. Discover materials from Avient that can enable faster and more reliable communication, minimize signal loss and maximize connectivity, protect electronics from static build up and radio frequency interference (Chinese language version) Satellite Communications

Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Whether you're a customer, community member, potential employee, or shareholder, we know that sustainability is vitally important to you.

Whether you're a customer, community member, potential employee, or shareholder, we know that sustainability is vitally important to you.

Any additional, different or other terms and/or conditions contained in any purchase order, document, website, or other communication by or from Buyer are hereby objected to and rejected by Seller. Any times or dates for delivery communicated by Seller (including those 8. These Terms, together with (i) the product description, quantity, price, and payment terms stated on Seller’s order confirmation, (ii) any credit agreement. and (iii) the Specifications, if any, constitute the complete and final agreement and understanding between Seller and Buyer relating to the Product and supersede all prior oral or written communications, agreements, understandings, representations, statements, and assurances between the parties.

Soweit Sie nicht ausdrücklich befugt sind, im Namen von Avient zu sprechen, geben Sie externe Anfragen aus der Investmentgemeinschaft oder den Medien an die Investor Relations Abteilung oder an die Corporate Communications Abteilung weiter. Jedoch dürfen Unternehmensmittel oder -ressourcen weder direkt noch indirekt zur Akquise oder zur Bereitstellung von Spenden an politische Kandidaten oder Parteien verwendet werden, wenn dies nicht gesetzlich erlaubt und durch die Corporate Communications Abteilung genehmigt worden ist. Das Unternehmen kann sich dafür entscheiden, gemeinnützige Spenden an gemeinnützige Organisationen zu machen, die durch die Corporate Communications Abteilung genehmigt werden müssen.