& Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 31 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs C O L O R , A D D I T I V E S & I N K S 2 0 2 2 R E V E N U E | $ 2 . 4 B I L L I O N US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 32 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% S P E C I A L T Y E N G I N E E R E D M A T E R I A L S 2 0 2 2 P R O F O R M A R E V E N U E | $ 1 . 3 B I L L I O N END MARKET US & Canada 52% EMEA 35% Asia 13% REGION 33 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2 0 2 2 P R O F O R M A AV I E N T R E G I O N A L S A L E S B Y E N D M A R K E T Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 34 PEER COMPARISONS AV I E N T I S A S SE T L I G H T Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of 2023年5月31日 Note: Avient reflects 2023 estimated revenue of $3,400 and estimated run-rate CAPEX of $110M. 36 3 2 3 3 4 4 3 3 4 5 5 6 8 9 A vi e n t K W R P P G F U L A V Y R P M F M C H U N C E H X L E C L A S H E M N S C L F R E E C A S H F LOW C O N V E R S I O N Source: Peer data per Bloomberg as of 2023年5月31日 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

$600 $592 2021 2022 $3.02 $3.04 2021 2022 FULL YEAR 2022 PERFORMANCE ( T O TA L C O M PA N Y P R O F O R M A ) 19 Sales Adjusted EBITDA $3,712 $3,653 2021 2022 - 2% Adjusted EPS - 1% + 1% (in millions) (in millions) (+ 4% excluding FX) (+ 5% excluding FX) (+ 9% excluding FX) FULL YEAR 2022 SEGMENT PERFORMANCE 20 CAI $2,402 $2,355 Sales ($ in millions) $409 $402 EBITDA SEM Pro Forma $1,308 $1,300 Sales $278 $272 EBITDA (+ 4% excluding FX) - 2% - 1% (+ 5% excluding FX) - 2% (+ 4% excluding FX) - 2% (+ 2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 21 Pro Forma 2021 Adjusted EPS 3.02$ Foreign Currency (0.23) Russia Import Sales (0.07) Outdoor High Performance (0.13) Color, Additives and Inks 0.18 Specialty Engineered Materials 0.24 Corporate Costs / Other 0.03 Pro Forma 2022 Adjusted EPS 3.04$ FULL YEAR EBITDA BRIDGE ( P R O F O R M A T O TA L C O M PA N Y ) 22 $ millions CAI: Price / Mix 247 Inflation (176) SEM: Price / Mix 121 Inflation (77) Net Price Benefit 115 Wage and Energy Inflation (47) Clariant Color Integration Synergies 23 Incentives, Other Employee Costs 43 FX (34) Full Year 2022 $592 Adjusted EBITDA Full Year 2021 $ 600 Demand (99) Russia Import Sales (9) • Demand primarily impacted by China lockdowns, 4th quarter industrywide destocking and declining consumer sentiment • Pricing outpaced inflation of raw materials, wages and energy 2 0 2 3 G U I D A N C E $125 $530 Q1 FY $0.55 $2.40 Q1 FY 2023 GUIDANCE 24 Sales Adjusted EBITDA $845 $3,450 Q1 FY Adjusted EPS (in millions) (in millions) CA SH FLOW / BALANCE SHEET 25 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x K E Y G R O W T H D R I V E R S A N D T R A N S F O R M E D P O R T F O L I O GROW TH DR IVER S: PROV EN SUCC ESS 27 (1) Pro forma for the acquisition of Avient Protective Materials (APM) COMPOSITES $51 $84 $212 $668 2016 2018 2020 2022 Long Term Growth Rate 10% Organic CAGR 10% HEALTHCARE $108 $113 $231 $293 2016 2018 2020 2022 Long Term Growth Rate 8-10% Organic CAGR 11% ASIA/EMERGING REGIONS $265 $358 $726 $830 2016 2018 2020 2022 Long Term Growth Rate 5% Organic CAGR 12% $340 $455 $790 2016 2018 2020 2022 $1,175 SUSTAINABLE SOLUTIONS Long Term Growth Rate 8-12% Organic CAGR 11% (1) (1)(1) (Sales in $ millions) #1 Color Formulator Dyneema® - World’s Strongest Fiber™ #1 in Composites applications for outdoor high performance #1 in Performance Inks Customized solutions 140+ PhDs on staff Rapid development of innovative products Extensive patent (2,500+) portfolio 33% Vitality Index Better-positioned toward stable, high-growth end markets Consumer, packaging, healthcare and defense comprise nearly 60% of sales Agnostic to raw materials, helping all customers achieve their goals Broad portfolio of diversified sustainable solutions 90%+ of our innovation pipeline invested in sustainable solutions Long-term growth rate well above GDP with expectations of 8-12% L E V E R AG I N G O U R T R A N S F OR M E D PO RT F O L I O 28 Healthcare 8% Packaging 24% Consumer 20% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% 2022 PF $3.65B sales Defense 6% Leading Positions Sustainable SolutionsDiversified IndustriesSpecialty Formulator (1) 2022 Pro forma for the acquisition of Avient Protective Materials (2) 2020 Pro forma for the acquisition of Clariant Color (1)(2) (1) $340M $455M $790M 2016 2018 2020PF 2022PF $1,175M P E E R C O M PA R I S O N S AV I E N T I S A S SE T L I G H T Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of 2023年2月13日 Note: Avient reflects 2023 estimated revenue of $3,450 and estimated run-rate CAPEX of $110M. 30 3 2 3 3 4 4 3 4 5 5 5 6 7 7 A vi e n t K W R P P G F U L A V Y R P M F M C H U N H X L C E E C L A S H S C L E M N F R E E C A S H F LOW C O N V E R S I O N Source: Peer data per Bloomberg as of 2023年2月13日 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

$600 $592 2021 2022 $3.02 $3.04 2021 2022 FULL YEAR 2022 PERFORMANCE ( T O TA L C O M PA N Y P R O F O R M A ) 15 Sales Adjusted EBITDA $3,712 $3,653 2021 2022 - 2% Adjusted EPS - 1% + 1% (in millions) (in millions) (+ 4% excluding FX) (+ 5% excluding FX) (+ 9% excluding FX) FULL YEAR 2022 SEGMENT PERFORMANCE 16 CAI $2,402 $2,355 Sales ($ in millions) $409 $402 EBITDA SEM Pro Forma $1,308 $1,300 Sales $278 $272 EBITDA (+ 4% excluding FX) - 2% - 1% (+ 5% excluding FX) - 2% (+ 4% excluding FX) - 2% (+ 2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 17 Pro Forma 2021 Adjusted EPS 3.02$ Foreign Currency (0.23) Russia Import Sales (0.07) Outdoor High Performance (0.13) Color, Additives and Inks 0.18 Specialty Engineered Materials 0.24 Corporate Costs / Other 0.03 Pro Forma 2022 Adjusted EPS 3.04$ FULL YEAR EBITDA BRIDGE ( P R O F O R M A T O TA L C O M PA N Y ) 18 $ millions CAI: Price / Mix 247 Inflation (176) SEM: Price / Mix 121 Inflation (77) Net Price Benefit 115 Wage and Energy Inflation (47) Clariant Color Integration Synergies 23 Incentives, Other Employee Costs 43 FX (34) Full Year 2022 $592 Adjusted EBITDA Full Year 2021 $ 600 Demand (99) Russia Import Sales (9) • Demand primarily impacted by China lockdowns, 4th quarter industrywide destocking and declining consumer sentiment • Pricing outpaced inflation of raw materials, wages and energy 2 0 2 3 G U I D A N C E $125 $530 Q1 FY $0.55 $2.40 Q1 FY 2023 GUIDANCE 20 Sales Adjusted EBITDA $845 $3,450 Q1 FY Adjusted EPS (in millions) (in millions) CA SH FLOW / BALANCE SHEET 21 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x K E Y G R O W T H D R I V E R S A N D T R A N S F O R M E D P O R T F O L I O GROW TH DR IVER S: PROV EN SUCC ESS 23 (1) Pro forma for the acquisition of Avient Protective Materials (APM) COMPOSITES $51 $84 $212 $668 2016 2018 2020 2022 Long Term Growth Rate 10% Organic CAGR 10% HEALTHCARE $108 $113 $231 $293 2016 2018 2020 2022 Long Term Growth Rate 8-10% Organic CAGR 11% ASIA/EMERGING REGIONS $265 $358 $726 $830 2016 2018 2020 2022 Long Term Growth Rate 5% Organic CAGR 12% $340 $455 $790 2016 2018 2020 2022 $1,175 SUSTAINABLE SOLUTIONS Long Term Growth Rate 8-12% Organic CAGR 11% (1) (1)(1) (Sales in $ millions) #1 Color Formulator Dyneema® - World’s Strongest Fiber™ #1 in Composites applications for outdoor high performance #1 in Performance Inks Customized solutions 140+ PhDs on staff Rapid development of innovative products Extensive patent (2,500+) portfolio 33% Vitality Index Better-positioned toward stable, high-growth end markets Consumer, packaging, healthcare and defense comprise nearly 60% of sales Agnostic to raw materials, helping all customers achieve their goals Broad portfolio of diversified sustainable solutions 90%+ of our innovation pipeline invested in sustainable solutions Long-term growth rate well above GDP with expectations of 8-12% L E V E R AG I N G O U R T R A N S F OR M E D PO RT F O L I O 24 Healthcare 8% Packaging 24% Consumer 20% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% 2022 PF $3.65B sales Defense 6% Leading Positions Sustainable SolutionsDiversified IndustriesSpecialty Formulator (1) 2022 Pro forma for the acquisition of Avient Protective Materials (2) 2020 Pro forma for the acquisition of Clariant Color (1)(2) (1) $340M $455M $790M 2016 2018 2020PF 2022PF $1,175M P E E R C O M PA R I S O N S AV I E N T I S A S SE T L I G H T Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of 2023年2月13日 Note: Avient reflects 2023 estimated revenue of $3,450 and estimated run-rate CAPEX of $110M. 27 3 2 3 3 4 4 3 4 5 5 5 6 7 7 A vi e n t K W R P P G F U L A V Y R P M F M C H U N H X L C E E C L A S H S C L E M N F R E E C A S H F LOW C O N V E R S I O N Source: Peer data per Bloomberg as of 2023年2月13日 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

Plan for achieving target, and progress made to the end of the reporting year Our suppliers conducted a best-in-class self-assessment utilizing EcoVadis on environmental, social and governance requirements aligned with the UN Global Avient CDP Climate Change Questionnaire 2022 2022年7月29日（星期五） 40 Compact principles. Additionally, we are a UN Global Compact member, and have aligned our sustainability initiatives with UN SDG’s. Our focus is on supporting UN SDG’s 3, 7, 9, 12, and 13.

African Violet UK OM55302 US Not Available Olive Green UK OM66100 US OC6SAH Cloud Grey UK OM77000 Stock US OC7SAG Toffee UK OM88721 US OC8SAP Mistral UK OM55484 US Not Available Pod Green UK OM66159 US Not Available Mink UK OM77007 US OC9SAE Honey Beige UK OM88723 Stock US OC8SAQ Lavender UK OM55497 Stock US Not Available Ocean Green UK OM66161 US Not Available Dusk UK OM77013 US OC5SAA Chestnut Brown UK OM88726 US OC8SAR Bluebell UK OM55500 US Not Available Dewdrop UK OM66301 US Not Available Putty UK OM77140 US Not Available Beige UK OM88729 Stock US OC8SAS Lilac UK OM55502 US Not Available Grass Green UK OM66303 US Not Available Storm Grey UK OM77142 Stock US Not Available Fudge UK OM88820 US Not Available Aqua UK OM6037 US Not Available Lettuce Green UK OM66306 US Not Available Vapour UK OM77326 US Not Available Demerara UK OM88833 Stock US Not Available Alpine Green UK OM6969 Stock US OC6UFL Apple Green UK OM66307 US Not Available Pigeon UK OM77327 US Not Available Sandstone UK OM88942 US Not Available Spearmint Green UK OM6985 Stock US OC6SAK Light Grey UK OM7002 Stock US OC7SAE Shark UK OM77330 US Not Available Deep Black UK OM0055 Stock US OC9UFA Leaf Green UK OM6994 Stock US OC6UFN Dark Grey UK OM7020 Stock US OC7UFD Chocolate Brown UK OM8004 Stock US OC8SAH Ebony UK OM0086 US OC9SAD Fern Green UK OM66070 Stock US OC6UFC Ash Grey UK OM7021 Stock US OC7SAF Terracotta UK OM8005 Stock US OC8SAI Onyx UK OM0093 Stock US Not Available Springtime UK OM66072 US OC6SAD Mid Grey UK OM7053 Stock US OC7UFF Light Brown UK OM8018 Stock US OC8SAJ Racing Green UK OM66075 Stock US OC6SAE Dove Grey UK OM7378 Stock US OC7UFG Mushroom UK OM8021 US OC8SAK Fresh Green UK OM66083 Stock US OC6SAF Soft Grey UK OM7759 Stock US OC7UFJ Mid Brown UK OM8029 Stock US OC8SAL Sage Green UK OM66087 Stock US OC6UFG Graphite UK OM7994 Stock US OC9SAG Dark Brown UK OM8142 Stock US OC8UFK Marine Blue UK OM66088 US OC5UFQ Moonstone UK OM7996 US OC7SAH Mahogany UK OM8332 Stock US OC8ASM Lime Green UK OM66099 US OC6SAG Pebble UK OM7999 US OC7UFN Rosewood UK OM8399 US OC8SAN VALUE RANGE US: Not Available Value White UK OM0038 Stock Value Yellow UK OM1339 Stock Atlantic Pearl UK OM55561 Bottle Green UK OM66302 Stock Stone Effect UK OM0246 Value Blue UK OM5972 Midnight Satin UK OM55563 Arctic Moss UK OM66344 Pearl UK OM0299 Odyssey UK OM9074 Stock Frost Bite UK OM55564 Grape UK OM66345 Metallic Sand UK OM0589 Spanish Earth UK OM33074 Winter Wind UK OM55565 Value Green UK OM66380 Stock Autumn Gold UK OM0590 Sunset Pearl UK OM33075 Mirage UK OM55566 Value Grey UK OM77450 Tropical Pearl UK OM0592 Pink Sparkle UK OM33100TR Purple Silk UK OM55567 Inca Gold UK OM0593 Stock Value Red UK OM33111 Blue Sparkle UK OM55666TR Sparkle UK OM0797TR Soft Lilac UK OM55559 Violet Sparkle UK OM55700TR PEARLESCENTS US: Not Available Pearl White UK OM0174 Satin Pearl UK OM0448 Straw Pearl UK OM1830 Shrimp Pink UK OM33051 Azure Blue UK OM55483 Arctic Pearl UK OM55495 Mint Pearl UK OM66297 METALLICS Gold UK OM0541 US OC8SAD Aztec Gold UK OM0548 Stock US OC8SAE Copper UK OM0567 US OCCSAD Summer Bronze UK OM0574 US Not Available Silver UK OM0701 Stock US OC7UFA Pewter UK OM0739 US OC7SAD FLUORESCENTS Fluorescent Yellow UK OM1268 US OC1SAD Fluorescent Orange UK OM2266 US Not Available Fluorescent Pink UK OM3752 US OC3SAG Fluorescent Green UK OM6941 US OC6SAJ UN PLUS US: Not Available Diamond White UK OM0279HT Stock Claret UK OM4217HT Cumulus UK OM0447HT Lava UK OM33049HT Melon Yellow UK OM1739HT Stock Poinsettia UK OM33050HT Pineapple UK OM1740HT Mid Green UK OM66148HT Stock Hornet UK OM1829HT Stock Forest Green UK OM66294HT Stock Fresh Orange UK OM2264HT Stock Astro UK OM66295HT Stock Deep Red UK OM3930HT Stock Dolphin UK OM77323HT Sunset UK OM3940HT Stock Slate UK OM77324HT AVIENT IS A PREMIER PROVIDER of specialized and sustainable material solutions and services that transform customer challenges into opportunities.

Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brazil 電話：+55 11 4593 9200 歐洲 地區總部，盧森堡 Pommerloch 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 電話：+352 269 050 35 傳真：+352 269 050 45 www.avient.com https://www.avient.com 首席執行官寄語 我們的願景和策略 核心價值觀和個人價值觀 我們的《行為準則》 道德行为指南 個人價值觀 解決問題和舉報違規情況 道德熱線 禁止打擊報復 《行為準則》的適用範圍 違反本準則的行為 尊重所有人 多元和包容 歧視或騷擾 工作場所關係 物質濫用 人身安全和 工作場所暴力 工作誠實 準確的資訊、資料和記錄 會計誠信 政府調查和查詢 政治獻金/活動和慈善捐款 內幕資訊和內幕交易 電腦安全、軟體許可和版權 社交媒體和社交網路 互聯網和電子郵件的使用 隱私、個人資訊和資料保護 專有和機密資訊、創意和智慧財產權 資產的保護和使用 公司通訊 我們企業的誠信 公平交易 賄賂和回扣 代理人和顧問 競爭 禮品和招待 利益衝突 假公濟私 國際貿易 企業社會責任 可持續性 安全、健康和環境 產品和服務的安全 尊重人權 共同的承諾 資源和聯繫資訊

Francisco Nakasato, 1700 13295000- Itupeva Sao Paulo, Brazil اٹیلیفون: 9200 4593 11 55+ یورپ Regional Headquarters Pommerloch, Luxembourg 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 ٹیلیفون: 35 050 269 352+ فیکس: 45 050 269 352+ www.avient.com https://www.avient.com CEO کی جانب سے ایک پیغام ہمارا نصب العین اور حکمت عملی بنیادی اور ذاتی اقدار ہمارا ضابطۂ اخلاق اخلاقی رویے کے لیے رہنما خطوط ذاتی اقدار سوالوں کو حل کرنا اور عدم تعمیل کی صورت حال کی اطلاع دینا ایتھکس ہاٹ لائن کوئی انتقامی کارروائی نہیں ضابطۂ اخلاق کا استعمال ضابطہ کی خلاف ورزیاں سب کا احترام تنوع اور شمولیت تعصب یا ہراسانی کام کی جگہ پر تعلقات منشیات کا بے جا استعمال جسمانی تحفظ اور کام کی جگہ پر تشدد کام پر ایمانداری درست معلومات، ڈیٹا اور ریکارڈز حساب و کتاب کی دیانتداری سرکاری تفتیشات اور پوچھ تاچھ سیاسی تعاون/سرگرمیاں اور رفاہی عطیات اندرونی (خفیہ) معلومات اور شیئر کی خرید و فروخت کمپیوٹر سیکورٹی، سافٹ ویئر لائسنسنگ اور کاپی رائٹس سوشل میڈیا اور سوشل نیٹ ورکنگ انٹرنیٹ اور ای میل کا استعمال رازداری، نجی معلومات اور ڈیٹا کا تحفظ ملکیتی اور رازدارانہ معلومات، خیالات اور املاک دانش املاک کا تحفظ اور استعمال کمپنی کی مواصلات ہمارے کاروبار میں دیانتداری منصفانہ لین دین رشوت اور کمیشن خوری ایجنٹس اور صلاح کار مسابقت تحائف اور مہمان نوازی مفادات کا تصادم نجی مفاد کو ترجیح دینا بین الاقوامی تجارت کارپوریٹ سماجی ذمہ داری پائیداری حفاظت، صحت اور ماحول پروڈکٹ اور سروس کا تحفظ انسانی حقوق کا احترام ایک مشترکہ عہد وسائل اور رابطہ کی معلومات

+55 11 4593 9200 Europa Regional Headquarters Pommerloch, Luksemburg 19 Route de Bastogne Pommerloch, Luksemburg, L-9638 Tel. +352 269 050 35 Faks: +352 269 050 45 www.avient.com https://www.avient.com Potwierdzenie przestrzegania kodeksu postępowania avient Instrukcja: Proszę przeczytać, podpisać i zwrócić niniejszy dokument do Działu Kadr.

Lomas de Zamora, Argentina 33. Our suppliers conducted a self-assessment on environmental, social and governance requirements aligned with the UN Global Compact principles.

Lomas de Zamora, Argentina 33. Our suppliers conducted a self-assessment on environmental, social and governance requirements aligned with the UN Global Compact principles.