Gas Pipe Mfgr Application Snapshot G A S D I S T R I BU T I O N P I P E M A N U FAC T U R E R P R O F I L E E X T R U S I O N • Meet Plastic Pipe Institute (PPI) gas distribution pipe approval requirements for ASTM D2513 and PE2708 MDPE • Reduce the number of quality complaints through enhanced color distribution and consistency • Eliminate late notifications and poor communications with a higher level of customer service from their supplier • Provided a PPI-approved colorant as required with the added benefit of additional UL and NSF approvals • Supplied improved solid colorant formulation resulting in fewer customer complaints • Offered a premier problem solving approach with enhanced communications and increased sense of urgency OnColor™ Yellow Solid Colorant KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PPI APPROVALS + IMPROVED QUALITY LEARN MORE Copyright © 2022, Avient Corporation.

Automotive OEM AUTOMOTIVE OEM B U S B A R C A R R I E R F O R E V B A T T E R Y • Non-halogen solution • Flame performance to UL 94 V-0 @ 1.6 mm, GWFI 960°C @ 2mm • Excellent mechanical properties • Easy to process • Heat stabilized and high flow properties • Provide a non-halogenated solution with increased performance • Supported our customer throughout the project with design, regulatory and technical expertise • Helped to achieve the rigid requirements of EV battery applications Maxxam NHFR Non-Halogen Flame Retardant Polyolefin Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION NON-HALOGEN FLAME RETARDANT LEARN MORE Copyright © 2025, Avient Corporation.

OnColor™ UL 94 Colorants OnColor™ UL 94 Colorants Learn more about Avient's world-class services.

Avient S2P Transformation and Coupa tool Is Coupa used now as the official procurement tool for all Avient globally? Will I know when I get paid by Avient? https://compass.coupa.com/en-us/products/product-documentation/supplier-resources/for-suppliers/coupa-supplier-portal/csp-videos/csp-videos https://compass.coupa.com/en-us/products/product-documentation/supplier-resources/for-suppliers/coupa-supplier-portal/csp-videos/csp-videos mailto:coupaenablement@avient.com https://compass.coupa.com/en-us/products/product-documentation/supplier-resources/for-suppliers/coupa-supplier-portal/csp-videos/csp-videos mailto:coupaenablement@avient.com

Safety and Health The top priority at Avient is the safety and health of our associates, and our ultimate goal is to operate injury free. The second independent source of data that we used to augment the peer proxy analysis was the Consultant’s analysis of competitive market data relating to other applicable general industries. The CEO makes his recommendations in conjunction with the marketplace data.

Contact Avient for more information. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. To learn more about Avient’s advanced composite solutions, contact Avient at +1.844.4AVIENT www.avient.com

VIROSPACK C O S M E T I C D R O P P E R S • Improved chemical resistance • Hardness 45 – 50 • Natural/transparent color • Food contact compliance • REACH compliance • Provided dedicated customer service resources • Reduced cycle time while maintaining similar mechanical properties • Provided a material with easy molding • Enhanced chemical resistance to oil in extreme conditions Versaflex™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION CHEMICAL RESISTANCE + COMPLIANCE LEARN MORE Copyright © 2020, Avient Corporation.

Together, these factors hampered the manufacturer’s ability to reach the market in a timely manner and tightened profit margins. THE SOLUTION Seeking a way to address these challenges, the manufacturer consulted Avient. In a relatively short time, the Avient team was able to formulate additives that performed well at lower LDRs.

www.avient.com Copyright © 2020, Avient Corporation. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Ashish Khandpur, President and Chief Executive Officer, Avient Corporation. Khandpur added, “In addition, our 2024 safety performance represented the safest year in company history and evidenced that we’ll continue to build upon the many proven foundational strengths of Avient as we execute our new strategy.”2025 Outlook “As we shared at our Investor Day in December, we laid out a path to grow organic sales 100 – 200 basis points above GDP with margin expansion by intersecting high growth markets and secular trends with our technologies to create platforms that scale,” said Jamie Beggs, Senior Vice President and Chief Financial Officer, Avient Corporation. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended December 31, Year Ended 2024年12月31日 2023 2024 2023 Sales $ 746.5 $ 719.0 $ 3,240.4 $ 3,142.8 Operating income 85.6 43.1 329.3 196.8 Net income from continuing operations attributable to Avient shareholders 48.3 27.8 169.5 75.8 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.52 $ 0.30 $ 1.84 $ 0.83 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.