X-Ray opacity

Particle Size of flake measures .008”x.008” and are made of polyester. 

Polymers are a class of organic materials that are generally produced by converting natural gas or crude oil derivatives into monomers, such as ethylene, propylene, and styrene. We also provide custom-formulated liquid systems that meet a variety of customer needs and chemistries, including polyester, vinyl, natural rubber and latex, polyurethane and silicone. Beggs, Senior Vice President and Chief Financial Officer 97.1+** Avient Corporation Compensation Clawback Policy Effective October 2, 2023 101 .INS** Inline XBRL Instance Document 101 .SCH** Inline XBRL Taxonomy Extension Schema Document 101 .CAL** Inline XBRL Taxonomy Extension Calculation Linkbase Document 101 .LAB** Inline XBRL Taxonomy Extension Label Linkbase Document 101 .PRE** Inline XBRL Taxonomy Extension Presentation Linkbase Document 101 .DEF** Inline XBRL Taxonomy Definition Linkbase Document 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) + Indicates management contract or compensatory plan, contract or arrangement in which one or more directors or executive officers of the Registrant may be participants † Certain exhibits and schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K and will be provided to the Securities and Exchange Commission upon request. ** Filed herewith.

EBITDA Margins (1) 5.4% 11.5% 16.0% 2006 2018 2023E • Delivered on organic growth combined with transformative and bolt-on acquisitions • Divested commodity businesses tied to more cyclical end markets • Expanded presence in high growth areas of sustainable solutions, composites, healthcare applications and emerging regions LONG-TERM REVENUE GROWTH DRIVERS Avient Corporation 14 Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other (GDP growth) 0–2% Avient 6% 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap (GDP Growth) HISTORICAL GROWTH DRIVER PERFORMANCE Avient Corporation 15 Composites $51 $84 $212 $668 $108 $113 $231 $293 Asia/Emerging Regions $265 $358 $726 $830 12% $340 $455 $790 $1,175 Sustainable Solutions (Sales $ in millions) Avient Corporation 16 $405M $455M $550M $790M $915M 2016 2017 2018 2019 2020 2021 2022 Revenue From Sustainable Solutions 2016-2022 ($ in millions) 11% Organic CAGR $1,175M Eco-Conscious Recycle Solutions VOC Reduction Sustainable Infrastructure Reduced Energy Use Bio-polymers Solutions to increase recycled content and minimize plastic waste Solutions to reduce weight and energy consumption Solutions to preserve and protect natural resources & human life SUSTAINABILITY: FOCUS TODAY Sustainability Strategy Walter Ripple Vice President, Sustainability Avient Corporation 17 OUR SUSTAINABILITY COMMITMENT As the world’s premier provider of specialized and sustainable materials, services, and solutions, Avient is committed to meeting the needs of the present without compromising future generations’ ability to meet their needs. Avient Corporation 19 Sustainability is integral to achieving our vision, mission, and performance that: • creates a safe and accepting environment that empowers associates to perform to their fullest potential • gives back to the communities where we work and live • enables customers to innovate solutions that help make the planet more sustainable • protects the environment by addressing climate change, conserving natural resources and preventing pollution • actively manages risk for investors & yields financial performance Avient Corporation 20 EXTERNAL ALIGNMENT DEEPLY EMBEDDED IN OUR CULTURE Avient Corporation 21 MEGATRENDS OFFER OPPORTUNITIES FOR SUSTAINABLE SOLUTIONS Advancements in Technology Transformation of Municipalities Lifestyle Refresh Rethinking Globalization Evolution of Avient Corporation 22 SUSTAINABILITY TRENDS DRIVING AVIENT’S GROWTH Changes in consumer behavior driven by climate change & desire to reduce plastics waste Consumers seeking to buy more sustainable products from more sustainable companies Brand owner and retailer demand to meet sustainability targets & needs Rising emphasis on preserving and protecting natural resources & human life Increased current and pending government legislation and regulations CONSUMERS WANT SUSTAINABLE PRODUCTS Source: Simon Kucher 2022 Avient Corporation 23 Consider sustainability when they purchase Rate sustainability as a key criterion in purchasing decisions 34% Are willing to pay more for sustainable products Average premium consumers are willing to pay for sustainable products PURPOSE-DRIVEN CONSUMERS NOW LARGEST SEGMENT Source: IBM / National Retail Federation 2022 Avient Corporation 24 “Purpose-driven consumers seek products and brands that align with their values and provide health and wellness benefits. Conventionally-Marketed Products Growth 2017-2022 Sustainability-Marketed Products Conventionally-Marketed Products Sustainably-marketed products account for 1/5 of the market share ... yet deliver 1/3 of growth 9% 4% CAGR Source: NY Stern School of Business 2023 MAKING RECYCLABILITY COMMITMENTS Avient Corporation 26 100% recyclable, compostable or reusable packaging 35% recycled content for all plastic 30% recycled content by 2030 100% recyclable, compostable or reusable 20% renewable and recycled plastics by 2025 100% recyclable, compostable or reusable To source 100% recycled or renewable resources 25% recycled content 80% of waste recycled back into Nike products and other goods by 2025 25% recycled content by 2025 100% recyclable, compostable or reusable BRAND-SPECIFIC RECYCLED CONTENT ANNOUNCEMENTS x …the entire DASANI product lineup will be made from recycled plastic.

Performance can be customized for wear-resistance, conductivity, X-ray opacity and more

Internal Testing Available • Physical • Rheological, thermal, and moisture analysis • Dielectric properties • Laser etching and welding • Microscopy • Liquid, gas, and size exclusion chromatography • Atomic, infrared, and nuclear magnetic resonance spectroscopy • Flammability • X-ray diffractometry • Weathering (QUV & Xenon Arc) • Failure analysis APPLICATION DEVELOPMENT Avient has design, application development and degreed plastics engineers available to give our customers reliable and experienced guidance to help navigate the development process.

Internal Testing Available • Physical • Rheological, thermal, and moisture analysis • Microscopy • Liquid, gas, and size exclusion chromatography • Atomic, infrared, and nuclear magnetic resonance spectroscopy • Flammability • X-ray diffractometry • Weathering (QUV & Xenon Arc) • Failure analysis APPLICATION DEVELOPMENT Avient has design, application development and degreed plastics engineers available to give our customers reliable and experienced guidance to help navigate the development process.

To participate in the conference call, dial 1-844-835-7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 7476534. To listen to this recording, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and enter conference ID number 7476534. Senior management believes these measures are useful to investors because they allow for comparison to PolyOne's performance in prior periods without the effect of items that, by their nature, tend to obscure PolyOne's operating results due to the potential variability across periods based on timing, frequency and magnitude.

To participate in the conference call, dial 1-844-835-7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 6747028.  To listen to this recording, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and enter conference ID number 6747028. performance in prior periods without the effect of items that, by their nature, tend to obscure

Gel migration is measured using a quantitative internal method * 6151 can be supplied with UV protection * Values concluded from the simulation of materials rheological data and modelling standard extrusion tooling Pressure: can affect extruder performance, higher pressure gives a lower output at the same rpm Shear rate: has a relation with self-cleaning of the walls and mixing conditions Stress: can affect the surface of the product, less stress gives a better surface aspect MIGRATION OF GEL COMPOUND Gel Compound ECCOH™ 6151* ECCOH™ 6153 UV ECCOH™ 6154 UV Unigel Average Good Excellent Teroson Average Excellent Good Itcogel Average Good Excellent ECCOH™ 6151 ECCOH™ 6153 UV ECCOH™ 6154 UV ∆P (bars) 101 63 60 Shear Rate (1/s) 9 9 9 Stress (kPa) 127 79 75 Application example: Gel-filled stranded loose tube optical fiber cable www.avient.com Copyright © 2020, Avient Corporation.