FX +8.5% FX -0.4% Total Avient +8.1% Note: Regional Sales Percentages exclude impact of foreign exchange COLOR, ADDITIVES & INKS SEGMENT ( Q 3 2 0 2 4 P E R F O R M A N C E V S Q 3 2 0 2 3 ) $487 $522 Q3 23 Q3 24 $89 $97 Q3 23 Q3 24 Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 10 + 7% (+8% excluding FX) + 9% (+11% excluding FX) 18.3% +40 bps *18.7% * * Adjusted EBITDA Margin % • Sales growth driven by winning new product specifications in consumer & packaging, strong underlying demand in healthcare and improving demand in building & construction • Favorable mix and raw material deflation contributed to EBITDA margin expansion SPECIALTY ENGINEERED MATERIALS SEGMENT ( Q 3 2 0 2 4 P E R F O R M A N C E V S Q 3 2 0 2 3 ) $268 $295 Q3 23 Q3 24 $51 $57 Q3 23 Q3 24 Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 11 • Sales growth driven by restocking in healthcare & consumer end markets and strong underlying demand for composite applications used in building & construction, energy and defense end markets • Favorable mix contributed to EBITDA margin expansion + 10% (+10% excluding FX) + 12% (+13% excluding FX) 19.0% +40 bps *19.4% * * Adjusted EBITDA Margin % 2 0 2 4 G U I D A N C E FY 20 24 GUIDA NC E Previous (Aug 6) Current Adjusted EPS $2.55 to $2.70 $2.63 to $2.67 Adjusted EBITDA $515 to $540 million $525 to $530 million Interest Expense $105 million $104 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures & Investment in S/4 Hana ~$140 million ~$140 million 13 14 • Investor Day to be held December 4, 2024 at the NYSE, beginning at 10AM • The focus will be to do a deep dive on the Company’s strategy • Registration available at www.avient.com/investors 20 24 AVI ENT INVESTOR DAY A P P E N D I X 17 Performance Additives 15% Pigments 13% TiO2 9% Dyestuffs 2% Polyethylene 10%Nylon 5% Polypropylene 4% Styrenic Block Copolymer 4% Other Raw Materials 38% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials RA W MATERI AL BA SKET SEGMENT DATA U.S. & Canada 41% EMEA 36% Asia 18% Latin America 5% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 19% Packaging 23%Industrial 16% Building and Construction 9% Telecommunications 4% Energy 5% Defense 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) Transportation 10% Healthcare 7% 19 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2 0 2 3 R E V E N U E | $ 2 . 0 B I L L I O N US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 20 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR , AD DI TI VES & INKS 2 0 2 3 R E V E N U E | $ 1 . 1 B I L L I O N US & Canada 52% EMEA 35% Asia 13% 21 Packaging 5% Consumer 16% Healthcare 6%Industrial 16% Transportation 12% Telecommunications 9% Energy 10% Defense 18% Building & Construction 8% END MARKET REGION SPEC IA LTY ENGI NEER ED MATERI ALS Packaging 32% Consumer 26% Healthcare 9% Industrial 13% Building & Construction 6% Telecommunications 2% Energy 2% Defense 1% Asia (18% of sales) Transportation 9% 2 0 2 3 AV I E N T R E G I O N A L S A L E S Packaging 25% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 9% Energy 5% Defense 8% EMEA (36% of sales)Transportation 13% Packaging 13% Consumer 22% Healthcare 10% Industrial 16% Building & Construction 12% Energy 6% Defense 8% US & Canada (41% of sales) Transportation 9% Packaging 59% Consumer 22% Healthcare 2% Industrial 8% Building & Construction 4% LATAM (5% of sales) Transportation 5% Telecommunications 4% Telecommunications 4% 22 B Y E N D M A R K E T 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.

The predictions provided guidance in selecting the right temperatures to use in a 30-day compressive creep test that enabled PDI to more accurately estimate device performance over a 20-year span.

Concentrated Acid - 30% H2SO4, 24 HRS, 23°C Nylon samples were almost completely dissolved after one day, while the Edgetek PKE bars are still visible.

Relacionamentos no local de trabalho A Avient permite que membros da mesma família trabalhem para a Avient, mas um membro da família não tem permissão para supervisionar, direta ou indiretamente, outro membro da família imediata, incluindo parentes do cônjuge, devido à possibilidade de aparência de favoritismo. Alguns dos conflitos de interesses mais comuns podem surgir quando você: • Faz parte de atividades que concorram, ou pareçam concorrer, com os interesses de nossa empresa • Recebe qualquer benefício pessoal ou financeiro, ou tem um interesse financeiro em trabalhar ou fornecer serviços para uma empresa que faz ou busca fazer negócios conosco ou com um concorrente • Deixa suas decisões de negócios serem influenciadas, ou parecerem ser influenciadas, pelos interesses pessoais ou familiares, ou de amizades — por exemplo, quando empresas que você ou um membro de sua família possuem ou operam demonstram interesse em fazer negócios com a Avient • Faz trabalho externo (incluindo serviço em diretorias) que negativamente afeta seu 22 Sumário desempenho de trabalho ou interfere em suas responsabilidades na Avient • Usa propriedade, informações ou recursos da empresa para seu benefício pessoal ou benefício de outros • Contrata, supervisiona ou tem uma linha direta ou indireta de subordinação para um membro da família, incluindo parentes do cônjuge, ou alguém com quem você tem um relacionamento romântico Processo de divulgação Um conflito de interesses nem sempre é simples e fácil de reconhecer, e pode surgir de maneira inocente.

With a nearly constant layer of water, translucency approaching the transparency of the film returns, and no single droplet is so large as to fall from the film onto the food in that enclosed air mass within the package.

Body Adhesive This adhesive is a solvent containing the parent resin of the parts to be bonded . Open Annular Gate VALVE GATE Single-acting gates open with injection pressure and close under spring/ air cylinder action .

Productivity improvements shorten production days to meet tighter deadlines.

Jones Day served as outside legal counsel to Avient.

Design times can be less than three days for colorants. Supporting Diversity and Inclusion — All associates are valued and encouraged to bring their true selves to work every day, and ensuring equal access and opportunity will contribute to our organization’s success. Develop and implement solutions to end plastic waste while supporting AEPW $1.5B investment in key initiatives. 2 0 3 0 S U STA I NA B I L I T Y TA RG E TS 26 2 0 2 1 AV I E N T I N V E S TO R DAY 27 • Investor Day to be held December 9, 2021 in New York, NY • Company will provide updates on its key growth drivers with a deep focus on sustainable solutions Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Healthcare 8–10% Composites / 5G 10% Growth in Asia / LATAM 5% Other (GDP growth) 2–3% Avient 6.5% • Senior leadership team to also present on Clariant MB integration, M&A opportunities and capital allocation priorities PEER COMPARISONS 28 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.

On the other hand, TPEs are most commonly processed using in-line, single- screw injection equipment that has been routinely used in the plastics industry for decades. And in some case, the lower production costs of TPEs make them an economical alternative for many single-use products and pharmaceutical-grade delivery tubing.