Gravi-Tech Density Modified Formulations - Design Guide for Luxury Closures How Gravi-Tech makes the difference for packaging closures in the luxury cosmetics and spirits markets

Gravi-Tech Density Modified Formulations - Design Guide for Luxury Closures How Gravi-Tech makes the difference for packaging closures in the luxury cosmetics and spirits markets

Mevopur™ Healthcare Colorants and Formulations for Ophthalmic Closures Learn about the key characteristics and regulatory support Mevopur™ Healthcare Colorants and Formulations offer for ophthalmic closures

Premium Spirits Closures - Case Study (English) Distinguished Gravi-Tech™ high-density closures are focused on luxury perception as showcased in the spirits industry (English language version)

We are Avient. 4 BETTER TOGETHER: POLYONE AND CLARIANT MASTERBATCH Key Data 2021E Sales $4.1 billion 2021E EBITDA $510 million 2021E Free Cash Flow $250 million 87% of EBITDA from specialty applications Innovation is the lifeblood of a specialty company. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 25 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 2 3 3 6 2 3 4 4 5 5 5 6 6 6 7 9 25 A vi en t A vi en t (E xc l. In 2021 we expect substantial earnings growth and strong cash flow generation as we emerge from the COVID-19 pandemic.

IR Deck - AVNT-2024.06.30 (Earnings) AVIENT CORPORATION S E C O N D Q U A R T E R 2 0 2 4 R E S U L T S A N D 2 0 2 4 F I N A N C I A L G U I D A N C E (NYSE: AVNT) AU G U S T 6 , 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Q2 2023 (TOTAL COMPANY) $824 $850 Q2 23 Q2 24 $131 $143 Q2 23 Q2 24 Sales Adjusted EBITDA (in millions) $0.63 $0.76 Q2 23 Q2 24 (in millions) Adjusted EBITDA Adjusted EPS 5 + 3% (+5% excluding FX) + 9% (+12% excluding FX) + 21% (+25% excluding FX) Sales 6 Q2 2024 RESULTS – ORGANIC SALES BY REGION VS PY 6 US & Canada Latin America EMEA Asia +5% +4% +1% +19% Avient ex. FX +4.6% FX -1.5% Total Avient +3.1% Note: Regional Sales Percentages exclude impact of foreign exchange Q2 2024 SEGMENT PERFORMANCE (COLOR, ADDITIVES & INKS) $525 $542 Q2 23 Q2 24 $94 $108 Q2 23 Q2 24 19.9% Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 7 17.9% +200 bps * * * Adjusted EBITDA Margin % • Organic sales growth in all regions led by Americas • Raw material deflation combined with cost reduction actions drove EBITDA margin expansion + 3% (+5% excluding FX) + 15% (+17% excluding FX) Q2 2024 SEGMENT PERFORMANCE (SPECIALTY ENGINEERED MATERIALS) $301 $308 Q2 23 Q2 24 $60 $64 Q2 23 Q2 24 20.6% Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 8 19.8% +80 bps * * * Adjusted EBITDA Margin % • Sales growth in consumer, healthcare and building & construction end markets offset by weaker demand in telecommunications • EBITDA margin expansion driven by positive end market mix as well as raw material deflation + 2% (+4% excluding FX) + 7% (+8% excluding FX) 2024 G U IDA N CE FY 2024 GUIDANCE Previous (May 7) Current Adjusted EBITDA $510 to $535 million $515 to $540 million Adjusted EPS $2.50 to $2.65 $2.55 to $2.70 Interest Expense $105 million $105 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures ~$140 million ~$140 million 10 Q3 2024: Adjusted EPS of $0.62 11 Highlights • Provides performance updates on 2030 Sustainability Goals • Reduced company’s Scope 1 & 2 GHG emissions by 48% since 2019 • Highlights ESG performance ratings, certifications, and awards, including recent upgrades by Ecovadis to Gold and CDP to A- • Reflects Great Place to Work® culture focused on health, safety and employee engagement 2023 SUSTAINABILITY REPORT 11 Sustainability for a Better Tomorrow 2023 SUSTAINABILITY REPORT 12 • Investor Day to be held December 4, 2024 in New York, NY • The focus will be to do a deep dive on the Company’s strategy • Further details to be communicated 2024 AVIENT INVESTOR DAY AP P EN D IX 15 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 RAW MATERIAL BASKET 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% 17 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 B ILL ION US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 18 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 B ILL ION US & Canada 52% EMEA 35% Asia 13% 19 Packaging 5% Consumer 16% Healthcare 6%Industrial 16% Transportation 12% Telecommunications 9% Energy 10% Defense 18% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS Packaging 32% Consumer 26% Healthcare 9% Industrial 13% Building & Construction 6% Telecommunications 2% Energy 2% Defense 1% Asia (18% of sales) Transportation 9% 2023 AVIENT REGIONAL SALES 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% 20 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.

2 Suborno de funcionários públicos 2 Suborno comercial 3 Pagamentos de facilitação e propinas 3 Trabalhar com agentes, distribuidores e outros terceiros 3 Due diligence e processo de aprovação 3 Sinais de alerta 4 Exigências de manutenção de registros contábeis 4 Denúncias de possíveis violações 4 Linha direta de ética da Avient 4 Proteção contra retaliação 5 Referência rápida: ABAC - O QUE FAZER E O QUE NÃO FAZER 6 1 Nossa política global antissuborno e anticorrupção A Avient proíbe estritamente fraudes, subornos e outras práticas empresariais corruptas em todas as operações da empresa em qualquer lugar do mundo. Aplica-se essa proibição se a oferta ou o pagamento for feito diretamente ou por outra pessoa • Não faça registros enganosos, incompletos ou falsos nos livros e registros contábeis da Avient • Não ignore os sinais de alerta ao lidar com terceiros Sumário América do Norte Sede global Avon Lake, Estados Unidos 33587 Walker Road Avon Lake, OH, Estados Unidos 44012 Ligação gratuita: +1 (866) 765 9663 Telefone: +1 (440) 930 1000 Fax: +1 (440) 930 3064 Ásia-Pacífico Sede regional Xangai, China 2F, Block C 200 Jinsu Road Pudong, 201206 Xangai, China Telefone: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 América do Sul Sede regional São Paulo, Brasil Av. Francisco Nakasato, 1700 13295-000 Itupeva São Paulo, Brasil Telefone: +55 (11) 4593 9200 Europa Sede regional Pommerloch, Luxemburgo 19 Route de Bastogne Pommerloch, Luxemburgo, L-9638 Telefone: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com

TR JET BLACK 19-0303 V2 TR LOGANBERRY 19-3622 V2

PP MOONLIT OCEAN 19-4122 OWP MOONLIT OCEAN 19-4122

GIBRALTAR SEA 19-4038TCX POM MAUVE WINE 19-1716TCX