Solutions provide combination of weldability, kink resistance, and tensile strength performance, and comply with USP VI and ISO 10993-4, -5, -11 certifications. VOCs: 452.66 MT 4. Total energy: 2,217,903 GJ 2. % Grid electricity: 68.84% 3. % Renewable electricity: 61% 4.

Montrose, Colorado 4. Pune, India 4. Pune, India 4.

Page 102 Critical Imperatives – Medium to Long Term • Continue cultural and paradigm shift from commodity compounder to collaborative formulator as One PolyOne • Accelerate innovation and leverage megatrends to improve our mix of business with higher-margin improve our mix of business with higher-margin specialty products • Increase specialty contribution and advance globalization via acquisitions • Drive relentless execution and creative innovation as key competitive differentiators Page 103 2011 Proforma ColorMatrix 2015 Target “Where we are” “Where we expect to be” 1) Operating Income % Specialty 8.9% PP&S 7.2% 12 – 16% 9 – 12% Elevating our Expectations and Yours PP&S 7.2% Distribution 5.6% 2) Specialty Platform % of Operating Income 50% 3) ROIC* (after-tax) 10% 4) Adjusted Annual EPS Growth 3 yr CAGR = 71% 9 – 12% 6 – 7.5% 65 – 75% 15% Double Digit Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 104

This translates to 4% adjusted EPS growth, excluding the unfavorable impact of foreign exchange. As such, we expect second quarter adjusted EPS of $0.79, which represents 4% growth over the prior year quarter.” Visit www.avient.com to learn more. 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995.

2 Corruzione di funzionari pubblici 2 Corruzione commerciale 2 Pagamenti agevolanti e tangenti 3 Lavorare con agenti, distributori e altre terze parti 3 Due diligence e processo di approvazione 3 Segnali di allerta 3 Requisiti di contabilità e tenuta dei registri 4 Segnalazione di possibili violazioni 4 Linea di assistenza telefonica sull’etica Avient 4 Protezione dalle ritorsioni 4 Riferimento rapido: COSA SI PUÒ FARE E COSA NO, AI SENSI DELLE LEGGI ABAC 5 1 La nostra Politica globale su anti- corruzione e anti-concussione Avient proibisce severamente la frode, la corruzione e le altre pratiche commerciali corrotte in tutte le nostre unità operative ovunque nel mondo. subject= 4 • Un cliente, un fornitore o una terza parte • Pone obiezioni agli impegni contrattuali riguardanti la conformità alle leggi ABAC • Richiede un contratto che limita la concorrenza • Divide un acquisto in un gruppo di acquisti di minore entità, per evitare le approvazioni richieste dal governo o dalla dirigenza Avient • È di proprietà o gestito da un funzionario pubblico o da qualcuno strettamente correlato a un funzionario • Richiede modifiche al prezzo non registrate o pagamenti in contanti • Non è disposto a fornire i dettagli necessari affinché Avient esegua la due diligence • Un fornitore o altra terza parte • Richiede il pagamento a un conto bancario personale o offshore • Non ha esperienza con il prodotto, campo, settore o non dispone di personale qualificato • Pone obiezioni a una dichiarazione di lavoro dettagliata Requisiti di contabilità e tenuta dei registri Ai sensi della maggior parte delle Leggi ABAC, Avient e le sue società affiliate devono mantenere libri e registri accurati e dettagliati e un sistema adeguato di controlli interni.

主要特性 在三个通过ISO 13485认证的医疗生产线生 产全球统一的配方，提供全球一致性和供应 链保障 变更控制记录不限于CAS编号级别，降低变 更风险 不含动物源性物质和邻苯二甲酸盐 可将颜色与添加剂相结合，以增强产品性能 和防护性能 • • • • 法规支持 经过预测试的原材料： - 美国药典（USP）23，第87和88章（VI类） 萃取和生物学评价 - ISO 10993，第4、5、10、11和18部分， 萃取和生物学评价 - 美国药典和欧洲药典中针对USP 、 ICH Q3D可萃取金属和EP3.1聚烯烃的测试的 其他监管支持信息 FDA器械主文件 食品接触符合FDA/EU*要求 • • • 针头的标称外径 （mm） 颜色说明 RAL 潘通色号 透明产品代码 不透明产品代码 0.4 中灰色 7035 423 C PP7M665125 PP7M665127 0.45 褐色 8017 7588 C PP8M665294 PP8M665296 0.5 橘黄色 2003 173 C PP2M665298 PP2M665300 0.55 中紫色 4005 7676 C PP4M665290 PP4M665292 0.6 深蓝色 5010 288 C PP5M665894 PP5M665896 0.7 黑色 9005 黑色 C PP9M664950 PP9M664952 0.8 深绿色 6001 7483 C PP6M665687 PP6M665689 0.9 黄色 1021 115 C PP1M665211 PP1M665213 1.1 乳白色 1015 7401 C PP0M665290 PP0M665292 1.2 粉色 3015 502 C PE3M665725 PP3M665727 适用医疗保健使用限制—见下文。 在不限制本声明的一般性的情况下，不得将埃万特的产品用于旨在用于以下目的的任何医疗器械应用： (1) 接触人体组织或体液长达30天或更长时间； (2)“整形”（整容或重建）手术； (3) 生殖植入物或任何节育器械；或者 (4) 用于支持或维持人类生命的永久性（超过30天）植入式医疗器械中的任何关键组件。

In addition, when used to produce easy-open pill bottles in various colors that can be clearly identified, TPEs aid arthritic patients while they self- administer medications at home. 4. Parts Cost Surplus Stock Carbon Footprint Power Consumption Production Time TPE Benefits TPEs can reduce: TPE Applications TPEs can used to produce: Better grips on instruments Easy branding Easy-to-open pill bottles Needs to Meet Future Growth 2010 TPE Substrate 2030 Future Demand 2050 Supply Chain Capacity TPE Substrate 4© 2020 Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 CASE IN POINT: STOPPERS AND SEPTUMS Versaflex™ HC TPE from Avient offers customers an exceptional alternative to rubber for septums and stoppers.

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. subject= 4 • Financeiramente estável: recursos suficientes para honrar os compromissos • Práticas éticas e legais: compromisso de cumprir todas as leis aplicáveis, incluindo as leis antissuborno; e • Comprometido: concorda em cumprir e assina uma declaração de cumprimento desta Política Sinais de alerta A Avient também pode ser responsabilizada pelas leis ABAC por ações praticadas por representantes e outros terceiros (inclusive parceiros de joint venture).

PROXY SUMMARY 4 PROXY STATEMENT 2022 | Annual Meeting of Shareholders OUR COMPANY CULTURE Avient Corporation was originally established as PolyOne Corporation in 2000. Name Number of Shares Owned (1) Right to Acquire Shares Total Beneficial Ownership % of Class (4) Robert E. All Other Stock Awards: Number of Shares of Stock or Units (RSUs) (column (h)) (4) Annual Grant of RSUs.

DISCLAIMER Avient Corporation 3 Avient Corporation 4 Welcome Bob Patterson Chairman, President, and Chief Executive Officer INTRODUCTION Sustainability for a Better Tomorrow Jamie Beggs Senior Vice President and Chief Financial Officer Avient Corporation 5 WE ARE A FORMULATOR CUSTOM FORMULATION Avient Corporation 6 Avient Corporation 7 WE ARE INNOVATORS 2,500+ ACTIVE PATENT FILINGS WORLDWIDE 1,100+ RESEARCH AND DEVELOPMENT ASSOCIATES >85% Stage-gate technology projects enable sustainable solutions INDIA INNOVATION CENTER 33% 2022 VITALITY INDEX 140+ MATERIAL SCIENCE PhD ASSOCIATES Avient Corporation 8 3% 3% 5% Avient Specialty Formulators Other Specialty / Chemical Companies CAPEX / Revenue 2023E Global footprint enables greater flexibility to exceed needs of customers and deliver localized technical and formulation expertise 35 9 36 24 Manufacturing Locations by Region WE ARE ASSET LIGHT Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA Avient Corporation 9 Asset-light flexibility enables more nimble manufacturing capabilities and lower overhead Periods of economic weakness have driven higher levels of cash generation due to working capital improvement PROVEN TRACK RECORD OF HIGH FREE CASH FLOW CONVERSION 78% 78% 80% 80% 81% 78% 84% 83% 80% 79% 50% 55% 60% 65% 70% 75% 80% 85% 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023E 0 50 100 150 200 250 300 350 400 Fr ee C as h Fl ow C on ve rs io n Fr ee C as h Fl ow FCF $ AVNT FCF Conversion % S&P FCF Conversion % 2 Recent Divestitures - Combined $1.7B in Proceeds PORTFOLIO EVOLUTION Avient Corporation 10 Combined $3.6B Investment in Acquisitions Since 2016 Color Business Distribution 2016 2022 PORTFOLIO TRANSFORMATION 7% 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d EB IT DA Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications Avient Corporation 11 END MARKET TRANSFORMATION Packaging Consumer Healthcare Defense Avient Corporation 12 10% 19% 8% 23% 4% 7% 7% 2006 2023E Other Industri es 78% Healthcare Consumer Packaging 22% 56% 14% 10% 43% 9% 2006 2023E Reduced Exposure to Cyclical End Markets End Market Diversification Transportation Building & Construction 57% 19% Defense IMPROVING PROFITABILITY AND EXPANDING MARGINS Avient Corporation 13 Adj. They’re willing to change their shopping habits to reduce environmental impact and they care about sustainability and recycling.” 66% Prefer to buy sustainable products 44% Of consumers are purpose-driven, an all-time high Product-Driven 4% Brand-Driven 15% Value-Driven 37% Purpose-Driven 44% Drivers of Purchasing Decisions Avient Corporation 25 SUSTAINABLY-MARKETED PRODUCTS GROW 2X FASTER 100 110 120 130 140 150 160 2017 2018 2019 2020 2021 2022 Sustainably-Marketed Products vs. 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 by 2025 35% recycled content for all plastic packaging by 2025 30% recycled content by 2030 100% recyclable, compostable or reusable packaging by 2025 20% renewable and recycled plastics by 2025 100% recyclable, compostable or reusable packaging by 2025 To source 100% recycled or renewable resources 25% recycled content by 2025 80% of waste recycled back into Nike products and other goods by 2025 25% recycled content by 2025 100% recyclable, compostable or reusable packaging by 2025 BRAND-SPECIFIC RECYCLED CONTENT ANNOUNCEMENTS x …the entire DASANI product lineup will be made from recycled plastic.