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.

FX +8.5% FX -0.4% Total Avient +8.1% Note: Regional Sales Percentages exclude impact of foreign exchange COLOR, ADDITIVES & INKS SEGMENT (Q3 2024 PERFORMANCE VS Q3 2023) $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 (Q3 2024 PERFORMANCE VS Q3 2023) $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 % 2024 G U IDA N CE FY 2024 GUIDANCE 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 2024 AVIENT INVESTOR DAY AP P EN D IX 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 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% 19 (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 20 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% 21 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% 22 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.

Bu riski en aza indirmek için Avient, herhangi bir üçüncü taraf ile ilişki içine girmeden önce belli faktörleri dikkate almalı ve tüm üçüncü taraflar aşağıdaki standartları karşılamalıdır: • Saygın -gerekli deneyim ve uzmanlığa sahip • Güvenilir -işletme referansları üçüncü tarafın uzmanlık iddiasını destekler nitelikte • Mali anlamda istikrarlı -taahhütlerin yerine getirilmesi için yeterli kaynaklara sahip • Etik ve yasal uygulamalar -rüşvetle mücadele yasaları dahil olmak üzere yürürlükteki tüm yasalara uymayı taahhüt eder; ve • Söz verir - bu Politikanın kabul edildiğini ve ilgili politikaya uymayı taahhüt eder Uyarı İşaretleri Avient, temsilcilerimizin ve diğer üçüncü tarafların (ortak girişim partnerleri dahil) eylemlerinden dolayı da ABAC Yasaları kapsamında sorumlu tutulabilir.

O Vendedor pode, durante qualquer período de escassez devido a qualquer causa, ratear e alocar seu fornecimento de tais materiais entre si para consumo próprio, suas subsidiárias, empresas afiliadas, seus pedidos aceitos, clientes contratuais e seus clientes regulares não então sob contrato de uma forma que possa ser considerada justa e razoável pelo Vendedor.

Terms of disclosure for corporate questionnaire 2024 - CDP . https://www.cdp.net/en/info/terms-and-conditions/terms-of-disclosure/corporate-questionnaire 1 Contents 2 C1. It included worldwide crude oil price, CO2 prices in the USA, EU countries, China, Canada, Chile and Colombia, natural gas prices and GDP growth in different regions, and annual energy investment in end-use for both electrification and energy efficiency in the short to long term time-horizon. Select from: ☑ No 301 (7.30.16.4) Consumption of purchased heat, steam, and cooling (MWh) 0 (7.30.16.5) Consumption of self-generated heat, steam, and cooling (MWh) 0 (7.30.16.6) Total electricity/heat/steam/cooling energy consumption (MWh) 2277.31 (7.30.16.7) Provide details of the electricity consumption excluded NA Chile (7.30.16.1) Consumption of purchased electricity (MWh) 117.54 (7.30.16.2) Consumption of self-generated electricity (MWh) 0 (7.30.16.3) Is some or all of this electricity consumption excluded from your RE100 commitment?

Abbiamo creato un’azienda con un grande slancio: un’azienda di portata globale e con una visione chiara.

North / Central America South America Europe Middle East/Asia Africa Australia Canada Argentina Aland Islands Italy Afghanistan Nepal Algeria Australia Costa Rica Bolivia Armenia Kosovo Azerbaijan Oman Egypt New Caledonia Dominican Republic Brazil Austria Latvia Bangladesh Pakistan Ethiopia New Zealand El Salvador Chile Belarus Lithuania Bhutan Philippines Ghana Guatemala Colombia Belgium Luxembourg Cambodia Qatar Ivory Coast Haiti Ecuador Bosnia Herzegovina Malta China Russian Federation Kenya Honduras Paraguay Bulgaria Monaco Hong Kong Saudi Arabia Libya Jamaica Peru Croatia Netherlands India Singapore Malawi Mexico Uruguay Cyprus Norway Indonesia South Korea Mali Panama Venezuela Czech Republic Poland Iraq Sri Lanka Mauritius Puerto Rico Denmark Portugal Israel Taiwan Morocco Trinidad, Tobago Estonia Romania Japan Tajikistan Mozambique United Sates Finland Serbia Jordan Thailand Nigeria France Slovakia Kazakhstan Turkey Senegal Georgia Slovenia Kyrghizstan United Arab Emir. South Africa Germany Spain Kuwait Uzbekistan Tanzania Greece Sweden Lebanon Vietnam Tunisia Hungary Switzerland Malaysia Uganda Iceland Ukraine Maldives Zambia Ireland United Kingdom Myanmar Zimbabwe Sustainability Report | 2018 13 North / Central America South America Europe Middle East/Asia Africa Australia Canada Argentina Aland Islands Italy Afghanistan Nepal Algeria Australia Costa Rica Bolivia Armenia Kosovo Azerbaijan Oman Egypt New Caledonia Dominican Republic Brazil Austria Latvia Bangladesh Pakistan Ethiopia New Zealand El Salvador Chile Belarus Lithuania Bhutan Philippines Ghana Guatemala Colombia Belgium Luxembourg Cambodia Qatar Ivory Coast Haiti Ecuador Bosnia Herzegovina Malta China Russian Federation Kenya Honduras Paraguay Bulgaria Monaco Hong Kong Saudi Arabia Libya Jamaica Peru Croatia Netherlands India Singapore Malawi Mexico Uruguay Cyprus Norway Indonesia South Korea Mali Panama Venezuela Czech Republic Poland Iraq Sri Lanka Mauritius Puerto Rico Denmark Portugal Israel Taiwan Morocco Trinidad, Tobago Estonia Romania Japan Tajikistan Mozambique United Sates Finland Serbia Jordan Thailand Nigeria France Slovakia Kazakhstan Turkey Senegal Georgia Slovenia Kyrghizstan United Arab Emir.

Geç ödemelere amir mevzuat hükümlerinde imkân tanınan en yüksek oranda faiz işletilecektir. Alıcı, talep üzerine makul bir gizlilik sözleşmesi imzalayacak ve çalışanlarının en az burada belirtilenler kadar kısıtlayıcı gizlilik yükümlülüklerine bağlı olmasını sağlayacaktır. 23.

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KODEX CHOVÁNÍ | 4 OBSAH ÚVOD NÁŠ KODEX CHOVÁNÍ RESPEKT VŮČI VŠEM POCTIVOST NA PRACOVIŠTI INTEGRITA PŘI NAŠEM PODNIKÁNÍ SPOLEČENSKÁ ODPOVĚDNOST FIRMY ZDROJE INFORMACÍ https://secure.ethicspoint.com/domain/media/en/gui/49178/index.html Řešení otázek a hlášení nedodržování předpisů Náš Kodex chování poskytuje pokyny, jak nakládat s problémy, které se mohou v práci objevit, a poskytuje pomoc se správným rozhodnutím. KODEX CHOVÁNÍ | 24 OBSAH ÚVOD NÁŠ KODEX CHOVÁNÍ RESPEKT VŮČI VŠEM POCTIVOST NA PRACOVIŠTI INTEGRITA PŘI NAŠEM PODNIKÁNÍ SPOLEČENSKÁ ODPOVĚDNOST FIRMY ZDROJE INFORMACÍ mailto:https://secure.ethicspoint.com/domain/media/en/gui/49178/index.html?