Jan 19, 2022 Graphene is a flat, single layer of carbon atoms in sheet form that is significantly stronger than steel.3 It has a high surface area-to-volume ratio, high tensile strength (how much it can stretch before it breaks), and high electron mobility (the speed at which its electrons move when voltage is applied).4 Graphene is not a new material, but it recently became commercially available and is now being used as a polymer additive. Markarian, “Renewable reinforcements hit the road,” Compounding World (March 2015) www.compoundingworld.com

Jan 19, 2022 Graphene is a flat, single layer of carbon atoms in sheet form that is significantly stronger than steel.3 It has a high surface area-to-volume ratio, high tensile strength (how much it can stretch before it breaks), and high electron mobility (the speed at which its electrons move when voltage is applied).4 Graphene is not a new material, but it recently became commercially available and is now being used as a polymer additive. Markarian, “Renewable reinforcements hit the road,” Compounding World (March 2015) www.compoundingworld.com

Jan 19, 2022 Graphene is a flat, single layer of carbon atoms in sheet form that is significantly stronger than steel.3 It has a high surface area-to-volume ratio, high tensile strength (how much it can stretch before it breaks), and high electron mobility (the speed at which its electrons move when voltage is applied).4 Graphene is not a new material, but it recently became commercially available and is now being used as a polymer additive. Markarian, “Renewable reinforcements hit the road,” Compounding World (March 2015) www.compoundingworld.com

Jan 19, 2022 Graphene is a flat, single layer of carbon atoms in sheet form that is significantly stronger than steel.3 It has a high surface area-to-volume ratio, high tensile strength (how much it can stretch before it breaks), and high electron mobility (the speed at which its electrons move when voltage is applied).4 Graphene is not a new material, but it recently became commercially available and is now being used as a polymer additive. Markarian, “Renewable reinforcements hit the road,” Compounding World (March 2015) www.compoundingworld.com

After 4 years at Bostik Findley John joined GLS in January 2002. TPE-1A peel adhesion 0 1 2 3 4 Pe el s tr en gt h: N /m m 190C 205C 220C 235C D040W6 Lexan 141 Cycolac NA1000 3 .1 2 .8 2 .8 2 .6 2 .1 2 .4 2 .4 2 .4 1.9 2 .1 2 .1 1.9 7 Figure 5. TPE-1B peel adhesion 0 1 2 3 4 5 Pe el s tr en gt h: N /m m 190C 205C 220C 235C D040W6 Lexan 141 Cycolac NA1000 4 .3 4 .1 4 .0 3 .8 2 .9 3 .3 3 .1 2 .8 2 .8 2 .9 2 .8 2 .4 Figure 6.

版本号：2025年4月 mailto:sourcing@avient.com 健康与安全 环境 社会 道德与治理 管理系统

Information should not be regarded as “public” until at least 24 hours after it has been published by a national news medium or has otherwise become available through an official news release or official announcement. 4. Covered Employees and their Related Persons may 4 not trade in Company securities during the period beginning on the last day of each quarter and ending after the first full business day following the official, public release of quarterly and year-end financial results, as applicable.

& Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 40% 37% 18% 5% 6% 8% 24% 20% 10% 15% 9% 4% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. Deliver annual EBITDA and EPS growth of 10% and 15% 4. Avient 2011, 2018 and 2021 multiples reflect trailing 12 months EBITDA at December 31. 28 EV / 2023E EBITDA 6.5 8.5 11.0 8.9 12.0 11.9 10.9 9.9 8.2 16.3 13.8 11.9 9.6 9.5 9.5 9.2 7.7 20 11 20 18 20 21 O ct 20 23 AV Y R PM PP G KW R FU L EC L H XL SC L AS H FM C C E H U N EM N Avient Historic Multiple Avient Specialty Formulators Other Specialty / Chemical Companies AP P E N DI X 30 Performance Additives 16% Pigments 12% TiO2 10% Dyestuffs 2% Polyethylene 11% Nylon 6% Polypropylene 5% Styrenic Block Copolymer 5% Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 32 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2022 REVENUE | $2 .4 BILLION US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 33 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2022 PRO FORMA REVENUE | $1 .3 BILLION US & Canada 52% EMEA 35% Asia 13% 34 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 35 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) 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.

DATI ANAGRAFICI Indirizzo Sede legale 9638 POMMERLOCH 19 ROUTE DE BASTOGNE . A CUXK0XMKM92D910207D0 estratto dal Registro Imprese in data 01/12/2021 Indice 1 Sede 2 Informazioni da statuto/atto costitutivo 3 Trasferimenti d'azienda, fusioni, scissioni, subentri 4 Attività, albi ruoli e licenze 5 Sedi secondarie ed unita' locali 6 Aggiornamento impresa 1 Sede Indirizzo Sede legale 9638 POMMERLOCH 19 ROUTE DE BASTOGNE . FIRMARE LE ATTESTAZIONI E DICHIARAZIONI DEL DATORE DI LAVORO PER I PRESTATORI DI LAVORO SUBORDINATO, RICHIESTE IN GENERE DALLA LEGGE; 4.