Leveraging Service as Our Timeless Differentiator — We serve our customers with excellence to build trusting, lasting and collaborative relationships. We partner with Brand Owners / OEMs, processors and assemblers to enable their goals in applications like packaging, healthcare, consumer goods, transportation, wire & cable, building & construction and textiles. We leverage a high-touch, collaborative customer service model, where our ratio of technology to sales associates is 1.1, driving rapid customer response and customization.

Leveraging Service as Our Timeless Differentiator — We serve our customers with excellence to build trusting, lasting and collaborative relationships. We partner with Brand Owners / OEMs, processors and assemblers to enable their goals in applications like packaging, healthcare, consumer goods, transportation, wire & cable, building & construction and textiles. We leverage a high-touch, collaborative customer service model, where our ratio of technology to sales associates is 1.1, driving rapid customer response and customization.

You likely have specific goals identified that will result in more sustainable packaging. These may include: • Achieve a percentage of all packaging that is reusable, recyclable or compostable • Increase the use of post-consumer recycled (PCR) content, up to 100% • Use lightweighting or other solutions that will help reduce your carbon footprint • Replace petroleum-based materials with renewable materials such as bio-plastics Whatever your goals, we can help you achieve them with customized solutions based on a number of factors. It is to enable our customers’ innovation and sustainability goals through world class products and services and excellence in the four cornerstones of: WE HELP OUR CUSTOMERS MAKE PRODUCTS THAT ARE MORE SUSTAINABLE IN 8 DIFFERENT WAYS: • Lightweighting • Reduced Energy Use • Volatile Organic Compound Reduction • Recycle Solutions • Bio-polymers • Eco-conscious • Sustainable Infrastructure • Human Health & Safety For more information on how we can help, visit avient.com 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

Schuering Page 77 Appliance 5% Building & Construction 3% Wire & Cable 3% Electrical & Electronics 3% Consumer 21% Industrial 24% HealthCare 21% Transportation 17% 2011 Revenue: $1.0 Billion2011 Revenue: $1.0 Billion Key SuppliersKey Suppliers At a Glance Distribution Packaging 3% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 2006 2007 2008 2009 2010 2011 2015 Operating Income % of Sales ROICROIC Expanding ProfitsExpanding Profits 15.3% 18.4% 22.4% 30.0% 39.2% 48.6% 2006 2007 2008 2009 2010 2011 Target 6 – 7.5% Page 78 Value Proposition and Transformation Highlights Distribution Value Proposition • North America-based distributor with expanding global reach providing key plastic processors and market segments with best-in-class suppliers products, service and delivery with a commitment to develop value-added solutions to enhance customer profitability Transformation Highlights • Significant market share gains with key suppliers , > $5B Addressable Market • Significant market share gains with key suppliers � Proprietary PolyOne technology � Dow Corning • Improved sales mix and profitability by shifting to non-cyclical businesses like healthcare • Established presence in Brazil and Asia in 2011 Page 79 Key Differentiators Distribution • Product offering � Breadth and depth; industry leading suppliers • Sales and marketing capability • Customer service / logistics operations � Customer survey results – consistent best-in-class performance � Leading on-time delivery • Management team experience and stability • Lean Six Sigma � Solving our customers’ unmet needs Page 80 $102.8 $207.2 2006 2011 Healthcare Revenue • Strong market segmentation provides focused resourcing to accelerate growth • Expanding global reach meets Areas of Focus Distribution 2006 2011 $66.0 $182.4 2006 2011 National Accounts Revenue • Expanding global reach meets customers’ needs and creates competitive differentiation • Selling skills & product application knowledge to target executives & engineers ($ millions) Page 81 Critical Imperatives • Invest in commercial resources to accelerate growth • Expand healthcare and key account revenues • Broaden geographic reach and develop new markets and channel partnerships Critical Imperatives and 2015 Goal Distribution channel partnerships • Continue to improve working capital efficiency and superior cash flow generation 2015 Goal • 6 - 7.5% return on sales Page 82 Page 83

Where Sustainability Matters: Avient to Highlight its Latest Materials, Colorants, Additives, and Services to Support a Circular Economy at Chinaplas 2023 SHENZHEN, China – April 17, 2023 – Today, Avient Corporation will present its portfolio of sustainable materials and advanced services during Chinaplas 2023. Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint  

NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, today announced the acquisition of Magenta Master Fibers (Magenta), an innovative developer of specialty solid color concentrates for the global fiber industry.  is a premier provider of specialized polymer materials, services and solutions. In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995.

This palette explores the premise that facsimiles appearing almost, but not exactly, like real human beings elicit feelings of eeriness and uncertainty. PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions.

He also has significant governance expertise developed through his years as Lead Director of the Company from 2015 through 2023, as well as his service on numerous other boards. Audit-related services principally include employee benefit plan audits, accounting consultations and attest services that are not required by statute or regulation and other international attest services not classified as audit fees. No fees for other services were billed in 2023 or 2022.

McAlindon, who is leaving the company after five years of dedicated service. We also appreciate her service during our first stage of the Spartech integration, and wish her all the best in her future endeavors.” PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

CLEVELAND – July 31, 2024 – Avient Corporation, a premier provider of specialty and sustainable materials solutions and services, is pleased to announce the launch of its latest mold release additive for high-temperature polymers. High-Temperature Resistance: Effective across a range of high-temperature polymers with a maximum service temperature exceeding 150°C, this additive meets the rigorous demands of various manufacturing environments Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint