NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Fourth Quarter and Full Year 2020 Results and Provides Guidance for 2021 Fourth Quarter Results • GAAP EPS from continuing operations of $0.81 compared to $0.08 in the prior year quarter • Record fourth quarter adjusted EPS of $0.52 increased 73% compared to $0.30 pro forma* in the prior year, driven by strong organic revenue growth in all segments, improved operating margins and synergy capture from the Clariant Masterbatch acquisition • Increased dividend for the 10th consecutive year to $0.85 a share on an annualized basis Full Year Results • Completed transformational Clariant Masterbatch acquisition and renamed the company as Avient • GAAP EPS from continuing operations of $1.46 compared to $0.97 in the prior year • Adjusted EPS increased 11% to $1.93 pro forma, on strength in healthcare, packaging and consumer end markets • Specialty Engineered Materials (SEM) segment delivered record operating income of $94 million, driven by growth in composites and demand for outdoor high performance applications CLEVELAND – February 9, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its full year and fourth quarter results for 2020. Examples include: • Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation • Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses Avient employs approximately 8,400 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®. See Attachment 3 for a definition and summary of special items and Attachment 7 for a summary of pro forma adjustments associated with the Clariant MB Acquisition necessary to reflect Clariant MB adjusted results in all periods presented.

$0.30 $0.52 2019 PF 2020 Q4 2020 ORGANIC PERFORMANCE 3 Sales $922 $997 2019 PF 2020 +8% Adjusted Operating Income Adjusted EPS $58 $80 2019 PF 2020 +38% +73% • Record 4th quarter sales, adjusted operating income and adjusted EPS performance • All segments delivered year-over-year sales and operating income growth, led by consumer and healthcare end markets • Clariant Masterbatch integration synergy capture ahead of schedule: $5 million realized in 2020 ($ in millions except EPS) (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Q4 2020 SEGMENT PERFORMANCE 4 Sales Operating Income $100 $100 $100 $922 $100 $100 $100 $997 Distribution CAI SEM Total 2019 2020 $178 $272 $490 $191 $305 $526 SEM Distribution CAI 2019PF 2020 +8% +7% +7% +12% $5 $5 $5 $58 $5 $5 $5 $80 Avient CAI SEM Total 2019 PF 2020 $17 $19 $40 $18 $30 $58 Distribution SEM CAI 2019PF 2020 +38% +45% +58% +6% (3) (3) ($ in millions) (1) (2) (1) Total company sales include intercompany sales eliminations (2) Total company reflects adjusted operating income and includes corporate costs (3) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 2020 HIGHLIGHTS 5 • Completed transformational Clariant Masterbatch acquisition and created new brand name Avient • Increased pro forma adjusted EPS 11% from $1.74 to $1.93 as an essential supplier during the pandemic and due to growth in demand for consumer applications • Specialty Engineered Materials delivered record operating income on gains from composites • Achieved record free cash flow, increased dividend for 10th year in a row and delevered from 3.5x to 2.7x net debt to pro forma adjusted EBITDA • Culture is everything: Certified as a Great Place to Work® $133 $150 2019PF 2020PF 10% 23%8% 21% 4% 15% 2006 2020PF Healthcare Consumer Packaging Avient Portfolio Transformation 22% 59% CLARIANT MASTERBATCH: TRANSFORMATIONAL ACQUISITION 6 Clariant MB EBITDA Growth Purchase Price Multiple 10.8 9.6 6.5 2019PF 2020PF 2020PF w/ Full Synergies x x x • Acquisition of Clariant Masterbatch significantly expands presence in healthcare, packaging and consumer end markets • Strength of portfolio – 13% EBITDA growth as an essential supplier in COVID response and recovery • Acquisition completed on July 1, 2020 for $1.4 billion. With over 100 Avient production and distribution facilities, all operating with the rigor of Lean Six Sigma principles and excellence, we are proud to serve our valued customers wherever they need us. We will deliver for our stakeholders through multiple value creation levers—many of which are unique to Avient: o Demand for sustainable solutions, healthcare, and composites, together with Clariant Masterbatch revenue synergies, that will drive 2021 revenue growth of 8% and long-term growth in excess of GDP o Clariant Masterbatch cost synergy capture will result in significant near-term benefit In addition, we remain committed to increasing annual dividends in line with earnings growth and opportunistically buying back shares, all while remaining modestly levered.

Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is a certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. We will uphold these values with the utmost integrity in all that we do. EPS (1) $0.14 $2.67 $3.04 2006 2018 2022PF TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 3 1 4 14 PEOPLE C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $17 million raised since 2010 Diversity & Inclusion 15 2022 RE SU LT S Q4 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 17 $ millions CAI: Price / Mix 42 Inflation (20) SEM: Price / Mix 14 Inflation (10) Net Price Benefit 26 Wage and Energy Inflation (13) Clariant Color Integration Synergies 4 Incentives, Other Employee Costs 21 FX (10) Q4 2022 $107 Adjusted EBITDA Q4 2021 $ 132 Demand (50) Russia Import Sales (3) • Demand contraction especially prevalent in EMEA and Asia • Pricing continues to cover inflation of raw materials, wages and energy PROVEN TRACK RECORD OF STRONG AND IMPROVING FREE CASH FLOW GENERATION 18 • Periods of economic weakness have driven higher levels of cash generation due to working capital management • Anticipate continued strong free cash flow generation and conversion despite global uncertainty 78% 78% 80% 80% 81% 78% 84% 83% 80% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 2014 2015 2016 2017 2018 2019 2020 2021 2022 0 50 100 150 200 250 300 350 400 F re e C as h F lo w C o n ve rs io n F re e C as h F lo w FCF $ AVNT FCF Conversion % S&P FCF Conversion % Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. 2020 is pro forma for Clariant Color and 2022 is pro forma for Avient Protective Materials. $600 $592 2021 2022 $3.02 $3.04 2021 2022 FULL YEAR 2022 PERFORMANCE (TOTAL COMPANY PRO FORMA) 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 (PRO FORMA TOTAL COMPANY) 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 2023 G U IDA N CE $125 $530 Q1 FY $0.55 $2.40 Q1 FY 2023 GUIDANCE 24 Sales Adjusted EBITDA $845 $3,450 Q1 FY Adjusted EPS (in millions) (in millions) CASH FLOW / BALANCE SHEET 25 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ 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 GROWTH DRIVERS: PROVEN SUCCESS 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% LEVERAGING OUR TRANSFORMED PORTFOLIO 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 EE R C O M PAR IS O N S AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of February 13, 2023 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 en 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 FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of February 13, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

The company reported sales growth of 27% for the full year compared to 2020, with all segments delivering record sales and operating income. Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,700 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®. See Attachment 3 for a definition and summary of special items and Attachment 7 for a summary of pro forma adjustments associated with the Clariant Color Acquisition necessary to reflect Clariant Color adjusted results in all periods presented.

AVNT-2021.09.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Third Quarter 2021 Results • Sales increased 32% to $1.2 billion and GAAP EPS from continuing operations increased to $0.57 from $0.02 in the prior year quarter • Adjusted EPS increased 52% to $0.70 driven by record third quarter operating income in all segments • Increased dividend 12% to $0.95, on an annualized basis, representing the eleventh consecutive annual increase • Expected to continue pursuing sustainable solutions acquisitions and resume opportunistic share repurchases with net debt to adjusted EBITDA leverage projected at 2.1x by year end CLEVELAND – October 28, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its third quarter results for 2021. The company noted customer demand for its products continues to be robust across all end markets and regions, as revenue increased 32% to $1.2 billion in the third quarter and adjusted EPS increased 52% to $0.70. Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,400 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

A 3°–5° draft per side on all long draw areas is recommended. All passages should be highly polished circular cross sections with gentle bends to minimize the possibility of stagnation zones. All passages within Image provided by Mold-Masters Limited, Dura is a registered trade-mark of Mold-Masters Limited. 20 the tip should be highly polished and streamlined to minimize stagnation and degradation zones.

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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 http://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

24 مشمولات کا جدول وسائل اور رابطہ کی معلومات ہماری پالیسیاں آپ ہماری انٹرانیٹ سائٹ، دی لوپ )The Loop( کی مخصوص پالیسی اور رابطہ کی معلومات مندرجہ ذیل سیکشن سے حاصل کرسکتے ہیں:پیوپل اینڈ ڈپارٹمنٹس، اخلاقیات اور کارپوریٹ پالیسیاں یا اپنے سپروائزر یا مینیجر سے۔ اندرونی رابطے—اخلاقیات اور تعمیل کے وسائل ضابطۂ اخلاق یا ہماری توقعات سے متعلق مزید معلومات کے ليے، درج ذیل وسائل سے براہ راست رابطہ کریں: • آپ کا سپروائزر یا Avient کا کوئی بھی مینیجر • آپ کا انسانی وسائل کا نمائندہ یا ہیومن ریسورس ڈپارٹمنٹ • کارپوریٹ ایتھکس آفیسر • قانونی محکمہ کا کوئی بھی ممبر • مناسب مہارت والا کام )جیسے، کارپوریٹ فنانس، اندرونی آڈٹ، سورسنگ( ایتھکس ہاٹ لائن ایتھکس ہاٹ لائن پر کال کریں یا اس کا استعمال کریں اگر: • آپ کو مشورے کی ضرورت ہے یا کوئی سوال ہے • آپ کوئی مسئلہ یا تشویش اجاگر کرنا چاہتے ہیں • آپ نے کوئی مسئلہ یا تشویش اجاگر کی اور مطمئن نہیں ہوئے • آپ کو معلوم نہیں ہے کہ معلومات کے لیے کہاں جانا ہے • آپ ضابطۂ اخلاق میں درج دیگر وسائل میں سے ایک کو استعمال نہیں کر پا رہے ہیں ایتھکس ہاٹ لائن عالمی سطح پر20 سے زائد زبانوں میں دن میں 24 گھنٹے، ہفتے میں7دن دستیاب ہے۔کچھ یورپی ممالک ان موضوعات کو محدود کرسکتے ہیں جن کی آپ اطلاع دے سکتے ہیں اور گمنامی میں اطلاع دینے کی آپ کی اہلیت کو محدود کر سکتے ہیں۔ایک آزاد کمپنی کو ایتھکس ہاٹ لائن پر تمام ویب اور فون رپورٹس موصول ہوتی ہیں اور کارپوریٹ اخلاقیات کے افسر کو اس کی اطلاع دیتا ہے۔تمام اطلاعات کو ممکنہ حد تک خفیہ رکھا جائے گا۔ ایتھکس ہاٹ لائن: https://www.Avient.com/company/policies-and-governance/ethics-hotline ٹیلیفون ایتھکس ہاٹ لائن نمبر: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline شمالی امریکہ Global Headquarters Avon Lake, United States ‎33587 Walker Road Avon Lake, OH, United States 44012 ٹول فری: 9663 765 866 1+ فون: 1000 930 440 1+ فیکس:3064 930 440 1+ ایشیا پیسیفک Regional Headquarters Shanghai, China 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, China ٹیلیفون: 4888 6028 21 (0) 86+ فیکس: 4999 6028 21 (0) 86+ جنوبی امریکہ Regional Headquarters Sao Paulo, Brazil Av.‎Francisco Nakasato, 1700 ‎13295000- Itupeva Sao Paulo, Brazil +55 11 4593 9200 ‎:اٹیلیفون یورپ Regional Headquarters Pommerloch, Luxembourg ‎19 Route de Bastogne Pommerloch, Luxembourg, L-9638 +352 269 050 35 ‎:ٹیلیفون فیکس: 45 050 269 352+ www.avient.com http://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

All vents need to be vented to atmosphere. 3. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.