AVIENT CORPORATION S E C O N D Q U A R T E R 2 0 2 3 R E S U L T S (NYSE: AVNT) J U LY 2 7 , 2 0 2 3 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

IR Deck - AVNT-2024.06.30 (Earnings) AVIENT CORPORATION S E C O N D Q U A R T E R 2 0 2 4 R E S U L T S A N D 2 0 2 4 F I N A N C I A L G U I D A N C E (NYSE: AVNT) AU G U S T 6 , 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

Microsoft PowerPoint - AVNT M11 Investor Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) N OV E M B E R 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

All Rights Reserved 2025 2 Disclaimer Forward-looking statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

All Rights Reserved 2025 2 Disclaimer Forward-looking statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

All Rights Reserved 2025 2 Disclaimer Forward-looking statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

PROXY SUMMARY This summary does not contain all of the information that you should consider, and you should read the entire proxy statement carefully before voting. MAJORITY VOTING FOR DIRECTORS Our Corporate Governance Guidelines contain a policy relating to majority voting. None of the agreements contain a single trigger or a modified single trigger for benefits.

PROXY SUMMARY This summary does not contain all of the information that you should consider, and you should read the entire proxy statement carefully before voting. MAJORITY VOTING FOR DIRECTORS Our Corporate Governance Guidelines contain a policy relating to majority voting. None of the agreements contain a single trigger or a modified single trigger for benefits.

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. もし売主がデ ィスカウントを提供する場合には、当該ディスカウント は、売主の注文確認書に記載されている本製品の数 5 contained in Seller’s order confirmation) are estimates only and are not terms of the sale. Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product.

You can expect that the materials we produce contain only ingredients that conform to accepted legal and regulatory compliance guidelines. Lactra™ enabled production of over 250 million recyclable containers annually. This report contains forward-looking statements.