 Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with strengths  Innovation and services provide differentiation, incremental pricing power and competitive advantage  Strategic balance between reinvestment for growth and returning cash to shareholders  Strong and proven management team driving growth and performance 14 POLYONE CORPORATION Segment Highlights POLYONE CORPORATION 15 2016 Revenue: $0.8 Billion At a Glance: Color, Additives & Inks Key Applications 2016 Revenue by Industry Expanding Profits 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 16.0% 20%+ 16.6% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 1Q 2017 2020 Operating Income % of Sales United States 45% Europe 33% Asia 15% Latin America 5% Canada 2% Packaging 30% Industrial 15% W & C 10% B & C 10% Textiles 9% Transportation 9% Consumer 7% Healthcare 6% Appliance 2% E & E 2% Platinum Vision POLYONE CORPORATION 16 2016 Revenue: $0.6 Billion At a Glance: Specialty Engineered Materials 2016 Revenue by Industry Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 14.3% 20%+ 14.8% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 1Q 2017 2020 Operating Income % of Sales Consumer 19% Transportation 19% E & E 15% W & C 15% Healthcare 11% Industrial 8% Packaging 7% Appliance 3% B & C 3% United States 51% Europe 27% Asia 20% Canada 2% Key Applications Platinum Vision POLYONE CORPORATION 17 2016 Revenue: $0.4 Billion At a Glance: Designed Structures & Solutions 2016 Revenue by Industry 2020 Platinum Vision Transportation 27% Industrial 21% Packaging 21% B & C 11% Healthcare 8% Consumer 8% Appliance 3% E & E 1% Key Applications United States 95% Canada 5%  Drive operational efficiency with LSS projects and customer first mentality  Recapture customers by leveraging PolyOne’s commercial excellence and service offerings 2020 Operating Margin: 8 – 10% http://www.google.com/url?

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.

Buyer expressly warrants that employees, agents and subcontractors of Buyer shall not directly or indirectly (i) accept, promise, offer or provide any improper advantage to, or (ii) enter into an agreement (a) with any entity or person, including officials of a government or a government-controlled entity, or (b) relating to a product, which would constitute an offense or infringement of applicable Laws and Standards. 17.

Gaggenau, Germany 17. Konstantynow, Poland 17. Sustainability Report | 2023 17Sustainability Report | 2023 17Sustainability Report | 2023 17 Environmental, Health & Safety Management Approach The top priority at Avient is safety.

ویوافق المشتري عل ذات صلة بشأن قوانین الرقابة على التجارة أخرى (تشمل الغرامات أو الرسوم القانونیة) وإبراء ذمة البائع من أي مسؤولیة تعویض لمشتري یمارسھا ا التي تحملھا البائع بشأن أي أنشطة تصدیر أو إعادة تصدیر إخالالً بالتزاماتھ بموجب قوانین الرقابة على التجارة المعمول بھا، ویضمن ال یجوز لھم أن موظفي المشتري ووكالئھ ومقاولیھ من الباطن المشتري صراحةً ) قبول أو عمل وعد أو عرض أو تقدیم أي 1بصورة مباشرة أو غیر مباشرة ( ) أو إبرام اتفاقیة (أ) مع أي جھة أو شخص، بما في ذلك 2میزة غیر مالئمة إلى ( ق بمنتج، تسیطر علیھا الحكومة، (ب) أو تتعلإحدى الحكومات أو جھة مسؤولي یشكل مخالفة أو انتھاًكا للقوانین والمعاییر المعمول بھا. 17. ال یجوز للمشتري عدم اإلعالن. 17 أي إعالنات أو مواصفات المنتج أو مواد التغلیف أو المواقع اإللكترونیة أو أي باستثناء بموجب الموافقة الخطیة المسبقة للبائع.أخرى مواد دعائیة 18.

Kupujúci sa výslovne zaručuje, že jeho zamestnanci, zástupcovia a subdodávatelia priamo ani nepriamo (i) neprijmú, nesľúbia, neponúknu ani neposkytnú žiadnu nevhodnú výhodu, alebo (ii) neuzatvoria zmluvu (a) so žiadnym subjektom alebo osobou vrátane štátnych činiteľov alebo štátom ovládaných subjektov, alebo (b) na výrobok, ktorý by mohol predstavovať porušenie platných zákonov a noriem. 17. Buyer expressly warrants that employees, agents and subcontractors of Buyer shall not directly or indirectly (i) accept, promise, offer or provide any improper advantage to, or (ii) enter into an agreement (a) with any entity or person, including officials of a government or a government-controlled entity, or (b) relating to a product, which would constitute an offense or infringement of applicable Laws and Standards. 17.

Zawarte w niniejszym ustępie zobowiązanie do „zwolnienia z odpowiedzialności” oznacza zobowiązanie Kupującego do pokrycia wszelkich szkód, kosztów i wydatków poniesionych przez Sprzedającego oraz zapłaty odpowiednich kwot na rzecz Sprzedającego, jak również do zwolnienia Sprzedającego z wszelkiej odpowiedzialności wobec osób trzecich (art. 392 Kodeksu cywilnego). 17. None of the provisions of these Terms grants Buyer any express or implied rights or licenses with respect to such trademarks, logos, trade names and any other intellectual property rights owned by Seller’s or other companies from Avient Corporation and its affiliates other than those necessary to perform Buyer’s obligations under these Terms. 17.

Buyer expressly warrants that employees, agents and subcontractors of Buyer shall not directly or indirectly (i) accept, promise, offer or provide any improper advantage to, or (ii) enter into an agreement (a) with any entity or person, including officials of a government or a government-controlled entity, or (b) relating to a product, which would constitute an offense or infringement of applicable Laws and Standards. 17. El Comprador garantiza expresamente que los empleados, agentes y subcontratistas del Comprador no (i) aceptarán, prometerán, ofrecerán o proporcionarán ninguna ventaja indebida a, o (ii) suscribirán un contrato (a) con entidad o persona alguna, incluidos funcionarios de gobierno o de una entidad controlada por un gobierno, o (b) relacionado con un producto, directa o indirectamente, que pudiera constituir un delito o una infracción de las Leyes y Normas aplicables. 17.

NOTICE OF 2018 ANNUAL MEETING OF SHAREHOLDERS Thursday, May 17, 2018 9:00 a.m. Please carefully review the proxy materials for the Annual Meeting, which will be held on Thursday, May 17, 2018 at 9:00 a.m. Altice did not receive a payout under the 2017 Annual Plan due to his separation from service. 0% 50% 100% 150% 200% 250% 300% Dec 11 Dec 12 Dec 13 Dec 14 Dec 15 Dec 16 Dec 17 POL Peer Average PROXY SUMMARY 2017 Annual Incentive Program Payouts Named Executive Officer 2017 Target Opportunity ($) Payout % Payout ($) Mr.

POLYONE CORPORATION 17 ITEM 3. See Note 17, Derivative Instruments, for more information. See Note 17, Derivative Instruments, for further discussion.