Kedrowski Page 38 Operational Excellence • Operational Excellence is a never-ending quest for improvement in response to the voice of our customers and shareholders • It is all about strengthening our capabilities to deliver value flawlessly to our customers deliver value flawlessly to our customers • It challenges us to enhance our productivity, profitability, and efficiency in all phases of our business, from safety to quality to waste elimination to environmental stewardship Page 39 Lean Six Sigma Initiative • In 2009, Lean Six Sigma was launched to improve execution skills across all businesses, functions, and global regions • A company-wide diagnostic was conducted, resulting in identification of six conducted, resulting in identification of six strategic improvement platforms • Financial targets were estimated, resources identified and trained results delivered , Page 40 PolyOne OSHA Recordable Incidence Rate 4 5 6 5.1 Safety Performance *Rubber And Plastics Manufacturing Industry (2010 Bureau of Labor Statistics). 0 1 2 3 2005 2006 2007 2008 2009 2010 2011 Industry Average 1.4 1.3 1.1 1.1 0.85 0.65 0.57 Page 41 • Exemplary on-time delivery • Best-in-class working capital % of sales 81% 87% 88% 95% 93% 92% 94% 2005 2006 2007 2008 2009 2010 2011 On-Time Delivery* Lean Six Sigma Delivering Results • Approximately $200M in cash driven by working capital improvements 16.2% 14.4% 18.9% 11.7% 9.6% 9.6% 2006 2007 2008 2009 2010 2011 WC % of Sales 2005 2006 2007 2008 2009 2010 2011 *As measured to customer request date Page 42 40.0% Percent of Associates Trained in LSS World’s Best Start-up Program in 2009* World’s Best Business Process Excellence Program in 2012* Award-Winning Lean Six Sigma Program *Both awards received from International Quality and Productivity Center 16.5% 40.0% 2009 2011 Page 43 • Globally leverage strategic supplier management best practices • Implement world class demand management processes Critical Imperatives • Improve operational reliability and efficiencies • Optimize global freight management Drive 50 – 100 basis points of gross margin expansion per year Page 44 Page 45

All Rights Reserved 2025 Avient 2024 sales BUSINESS SEGMENTS END MARKETS REGIONS 63% 37% S E M C AI 23% 20% 15% 10% 10% 8% 7% 4% 3% Packaging Telecom Energy Defense Healthcare Building & construction Transportation Industrial Consumer 41% 35% 18% 6% US & Canada Latin America Asia Europe, Middle East and Africa 14Copyright © . All Rights Reserved 2025 Color, Additives & Inks END MARKETS REGIONS 34% 21% 15% 11% 9% 8% Packaging Telecom 1%Energy 1% Transportation Industrial Consumer 34% 37% 20% 9% US & Canada Latin America Asia Europe, Middle East and Africa Healthcare Building & Construction 15Copyright © . All Rights Reserved 2025 Specialty Engineered Materials END MARKETS REGIONS 20% 17% 14%13% 9% 9% 7% 7% 4% Defense Packaging Telecom Building & construction Transportation Industrial Consumer 54% 33% 13% US & Canada Asia Europe, Middle East and Africa Energy Healthcare Copyright © .

APPLICATIONS • Construction: roofing underlay, cable wrapping, geotextiles • Medical: surgical gowns, surgical drapes, sterile tray wraps, hospital bed sheets, and curtains • Filtration: various filters that require water repellency BENEFITS • Fast and long-lasting water repellency • IPA repellency grade 6 • No visible influence on the final color of the nonwoven fabric • Can be combined with color into a single product for convenience • Regulatory compliance to key standards and support for specific standards PRODUCT BULLETIN Copyright © 2023, Avient Corporation.

OnColor™ Recovered Black is designed for use in both injection molding and extrusion processing, and can be a good choice for a range of applications: • Industrial parts • Transportation, including structural or underhood components • Pipes and fittings • Building & construction applications • Thick sheet extrusions KEY CHARACTERISTICS • Reduction of plastic materials in disposals or landfills; promotes responsible care • Cost-effective option for non-critical color applications • Custom color critical applications available 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

LEARN MORE TIER 2 MOLDER P A N E L F O R C O N S T R U C T I O N V E H I C L E S • Transition from painting extruded sheet (3-5mm) to molded-in color for two different thermoplastics • UV stability • Good appearance for visible part • Expedited approved solution that delivered the appearance and performance of a painted part • Developed formulations for two materials- PMMA and ABS • Offered aluminum appearance and required UV stability SmartBatch™ FX for Paint Replacement KEY REQUIREMENTS WHY AVIENT?

Entry door 1-page case study EXTERIOR DOORS R E S I D E N T I A L & C O M M E R C I A L Reinforcement of steel to reduce weight and provide: • Corrosion resistance • Improved dent resistance to withstand windborne debris • Structural performance to meet regional wind load requirements • Improved resistance to corrosion and moisture degradation • Increased dent resistance up to 60% vs. unreinforced metal • Enabled reduction in thickness of sheet metal while maintaining structural performance Polystrand™ PETG continuous fiber reinforced composite laminate thermally bonded to steel door skin KEY REQUIREMENTS WHY AVIENT?

September 20 September 20 Condensed Consolidated Balance Sheets

All Rights Reserved 2025 11 Pathway to 20%+ adjusted EBITDA margins 1 Operating leverage • Organic volume growth and SG&A efficiencies from prioritizing resources across the company 2 Mix improvement • Increased sales in higher margin growth platforms 3 Productivity • Manufacturing & sourcing efficiencies • Footprint optimization • Digital technologies Avient margin expansion Schematic illustration only Productivity +400bps margin expansion 20%+ Strategic objective 16.2% 2024 adjusted EBITDA margin +2% +1% Operating leverage +1% Mix improvement Copyright © . All Rights Reserved 2025 20 Regional manufacturing capabilities and supply chains help us serve our customers locally Global reach with a local touch Sales exposure $100M ~3% LESS THAN Raw materials exposure $100M ~7.5% LESS THAN Tariff exposure 2025 guidance Copyright © . All Rights Reserved 2025 Specialty Engineered Materials END MARKETS REGIONS 20% 17% 14%13% 9% 9% 7% 7% 4% Defense Packaging Telecom Building & construction Transportation Industrial Consumer 54% 33% 13% US & Canada Asia Europe, Middle East and Africa Energy Healthcare Copyright © .

the Infrastructure Investment and Jobs Act (IIJA)—more commonly known as the Bipartisan Infrastructure Law (BIL)—authorizes funds for highways, transportation safety, and transit programs. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com ADDITIVE TECHNOLOGIES Flame retardant additives Mitigates fire hazard by reducing flame spread and heat release Anti-static and conductive additives Controls build-up of static charges to reduce risk of fire and enhance safety Antimicrobial technology Reduces bacterial, mold and fungal growth on the surface and through the thickness of the part Light spectrum management Provides UV protection to prevent discoloration or degradation of mechanical properties for lasting outdoor durability and color fastness Scratch and mar resistant additives Adds protection to stand up to surface abrasion and wear and tear COLORANT TECHNOLOGIES UL 94 colorants Over 2,000 UL 94-recognized color concentrates, including for high temperature resins Special effect colorants Visual enhancements including metallic, granite, or pearlescent appearance Bio colorants and additives For use in bio-based plastics without compromising performance TECHNOLOGIES AVAILABLE TO ENHANCE PUBLIC CHARGING STATIONS Avient supports all of these solutions with a range of world-class services, including: • Polymer material expertise with a focus on sustainability • Application development expertise with global design centers • Regulatory compliance coordination to help mitigate risk • Reliable field technical services and support • Leading color trend and design services

In this example, increasing the processing speed 40% will reduce the apparent viscosity the same as increasing the process temperatures by 20°F.