Sustainability Report | 2019 36 https://www.greatplacetowork.com P R O D U C T S Sustainability Report | 2019 37 Innovation: The Lifeblood of a Specialty Organization Innovation is the lifeblood of any specialty company. Our latest grades offer up to 50% lower haze and reduced impact on the PET recycle stream compared to previous grades. The new 4020G grade offers up to 50 percent lower haze and reduced impact on the PET recycle stream compared to previous grades, while maintaining the same reliable active oxygen scavenging performance.

This is higher than the North America regional average of C, and higher than the Chemicals sector average of B. Leadership (A/A-): Implementing current best practices Management (B/B-): Taking coordinated action on climate issues Awareness (C/C-): Knowledge of impacts on, and of, climate issues Disclosure (D/D-): Transparent about climate issues UNDERSTANDING YOUR SCORE REPORT ACTIVITY GROUP PERFORMANCE Chemicals A- Your CDP score Average performance B C C Chemicals North America Global Average *Please note that the peer group average scores are compiled with only investor- requested company scores Avient Region North America Country/Area United States of America Questionnaire Chemicals Activity Group Chemicals The CDP Score Report allows companies to understand their score and indicate which categories require attention to reach higher scoring levels. CATEGORY SCORES CDP SCORE REPORT - CLIMATE CHANGE 2023 If a company scored a C or below, they will not have been scored for Management or Leadership points (the dark purple line represents this).

This is higher than the North America regional average of D, and higher than the Trading, wholesale, distribution, rental & leasing sector average of C. Leadership (A/A-): Implementing current best practices Management (B/B-): Taking coordinated action on climate issues Awareness (C/C-): Knowledge of impacts on, and of, climate issues Disclosure (D/D-): Transparent about climate issues UNDERSTANDING YOUR SCORE REPORT PolyOne Region North America Country United States of America Questionnaire General Activity Group Trading, wholesale, distribution, rental & leasing The CDP Score Report allows companies to understand their score and indicate which categories require attention to reach higher scoring levels. CDP SCORE REPORT - CLIMATE CHANGE 2020 Your CDP score Average performance B C D C Trading, wholesale, distribution, rental & leasing North America Global Average CDP SCORE REPORT - CLIMATE CHANGE 2020 CATEGORY SCORES If a company scored C or below, they will not have been scored for management or leadership points (the dark purple line represents this).

Avient Corporation 1 JEFFERIES VIRTUAL INDUSTRIALS CONFERENCE A U G U S T 2 0 2 0 Avient Corporation 2 FORWARD LOOKING STATEMENTS Avient Corporation 3 USE OF NON-GAAP MEASURES Avient Corporation 4 UPDATE ON THE COVID-19 PANDEMIC Avient Corporation 5 2019 Transportation Consumer Discretionary Healthcare Packaging All Other Industries Cost Containment FX 2020 $64.3 18% 16% 2% $46.9 SECOND QUARTER 2020 IN REVIEW Consumer Discretionary Avient Corporation 6 CLARIANT MASTERBATCH STRATEGIC RATIONALE Avient Corporation 7 FIT W I T H FOUR PILLAR S T R A T E G Y Specialization Globalization Operational Commercial People Avient Corporation 8 2006 2019E PF* 2006 2019E PF* 38% * 2019E Pro Forma for PP&S Divestiture and Clariant Masterbatch business Percentage of Total Revenue E N D M A R K E T T R A N S F O R M A T I O N Building & Construction High Growth End Markets 50% 22% Avient Corporation 9 Electronic 38% 18%Transportation Building & Constrution Electrial & Electronic 2006 Pro Forma(1) Net Sales by End Market E N D M A R K E T T R A N S F O R M A T I O N Avient Corporation 10 U N I F I E D F O C U S O N S U S T A I N A B I L I T Y 2006 - 2013 2013 – 2019 PEOPLE PROD UC TS PLANET PER FOR M A NC E Avient Corporation 11 O V E R 8 5 % O F A D J U S T E D E B I T D A F R O M S P E C I A L T Y 46% 66% 0% 40% 60% 80% 100% 2005 2010 2015 Pro Forma % o f A d ju s te d E B IT D A ( 1) JVs Performance Products & Solutions Distribution Specialty 87% (2) Avient Corporation 12 T H E N E W A V I E N T : A S P E C I A L T Y G R O W T H C O M P A N Y Transaction expected to add $0.85 to pro forma adjusted EPS Avient Corporation 13 SUSTAINABILITY AT AVIENT P E O P L E , P R O D U C T S , P L A N E T , P E R F O R M A N C E Avient Corporation 13 Avient Corporation 14 V I S I O N To be the world’s premier provider of specialized polymer materials, services and C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Commercial Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and sustainable Avient Corporation 15 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 0.56 0.14 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 YTD S A F E T Y F I R S T Injuries per 100 Workers Spartech Acquisition Avient Corporation 16 G R E A T P L A C E T O W O R K Avient Corporation 17 C O M M O D I T Y T O S P E C I A L T Y T R A N S F O R M A T I O N 2006 - 2013 2013 – 20192000-2005 2006 - 2013 2020 and Beyond Avient Corporation 18 A V I E N T 2 0 1 9 R E V E N U E | $ 2 . 9 B I L L I O N Segment End Market Geography Wire & Cable Building & Electrical & Electronics Color Additives & Inks 34% Distribution 41% Specialty Engineered Materials 25% United States 54% Latin America Avient Corporation 19 Operating Income % of Sales Color, Additives & Inks 1.7% 14.7% Specialty Engineered Materials 1.1% 11.6% Distribution 2.6% 6.3% 2009 2010 2011 2012 2013 2014 2015 2016*2017* 2018 $2.43 P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S 10 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 A D J U S T E D E P S E X P A N S I O N 2018 2019 $1.69 $1.51 Avient Corporation 20 531 710 1,032 130 164 207 504 663 871 2014 2018 Pro Forma R&D / Technical Marketing Sales + 34% + 26% + 32% E X P A N S I O N O F COMMERCIAL RESOURCES D R I V I N G G R O W T H Revenue in Billions Total + 10% Organic + 7%+ 45% + 26% + 31% $4.0 $3.2 (2) (1) (1) $2.9 $2.9 $3.5 2015 2016 2017 2018 Pro Forma Total + 9% Organic + 5% Pro Forma(2) Avient Corporation 21 P R I O R A C Q U I S I T I O N S H I S T O R Y Commercial Resources(1) Operating Income ($ in millions) Operating Margins 256 350 $36 $100 Established Acquisitions (> 7 years) + 37% + 176% + 1000 bps Avient Corporation 22 A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R Facilitate alternative energy Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection Avient Corporation 23 I N N O V A T I O N Customization 55% M&A 30% Innovation Pipeline Innovation comes from Research & Development Spend Vitality Index 37% $20 $51 Avient Corporation 24 R E V E N U E F R O M S U S T A I N A B L E S O L U T I O N S $275M $325M $355M $410M 14% Total Annual Growth 9% Organic Annual Growth Avient Corporation 25 SEGMENT HIGHLIGHTS I N N O V A T I N G W I T H A V I E N T Avient Corporation 25 Avient Corporation 26 C O L O R , A D D I T I V E S & I N K S E N D M A R K E T S & S O L U T I O N S Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants 31% Building & Construction Appliances Electrical & Electronics Avient Corporation 26 Avient Corporation 27 Operating Income & MarginRevenue by Region C O L O R , A D D I T I V E S & I N K S 2 0 1 9 R E V E N U E | O V E R $ 1 B I L L I O N 34% United States 44% Mexico South America $4 $25 $104 $147 0.9% 5.5% 12.2% 14.7% Avient Corporation 27 Avient Corporation 28 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 E N D M A R K E T S & S O L U T I O N S Engineered Formulations Advanced Composites Thermoplastic Elastomers Wire & Cable* 28% Electrical & Electronics Building & Construction Avient Corporation 28 Avient Corporation 29 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 Revenue by Region Operating Income & Margin 2 0 1 9 R E V E N U E | $ 7 5 0 M I L L I O N 27% United States 54% 17% $21 $57 $87 0.1% 5.1% 9.3% 11.6% Avient Corporation 29 Avient Corporation 30 D I S T R I B U T I O N E N D M A R K E T S & S U P P L I E R S 28% 17% Electrical & Electronics Building & Operating Income & Margin2019 Revenue | $1.2 Billion $25 $63 $75 $20 2.9% 4.0% 5.9% 6.3% Avient Corporation 30 http://www.avient.com/Pages/VariationRoot.aspx Avient Corporation 31 O V E R V I E W O F R A W M A T E R I A L P U R C H A S E S Avient Corporation 31 Avient Corporation 32 Avient Corporation 33 Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016** 2017** 2018 2018*** Q1 2019*** 2019 Q1 2020 Net income from continuing operations attributable to PolyOne common shareholders Joint venture equity earnings, after tax Special items, before tax Special items, tax adjustments Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 $ 87.7 $ 22.4 $ 75.5 $ 33.1 (19.0) (14.7) (3.7) — — — — — — — — — — — (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 58.7 12.2 61.7 9.6 (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) (25.1) (1.2) (5.9) (1.0) $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 $ 121.3 $ 33.4 $ 131.3 $ 41.7 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 80.4 78.2 77.7 86.7 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 $ 1.51 $ 0.43 $ 1.69 $ 0.48 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation. ** Pro forma for sale of Designed Structures and Solutions segment (DSS). *** Pro forma for sale of Performance Products and Solutions segment (PP&S).

OnFlex LO - HVAC Flap - Spanish PROVEEDOR TIER 2 R E J I L L A P A R A S I S T E M A S D E V E N T I L A C I Ó N Y C A L E F A C C I Ó N • Eliminar el post-calentamiento de las piezas a fin de lograr el nivel de olor necesario (≤3.0 VDA 270) • Tener la menor emisión de compuestos orgánicos volátiles (VOC/FOG) (VDA 278), con el mismo compresión set del material anterior • Menos pasos de procesamiento y menores costos de energía para el moldeador • Se lograron los niveles VOC/FOG requeridos y se cumplió el desempeño con el estándar de compresión set OnFlex™ LO REQUERIMIENTOS CLAVE ¿POR QUÉ AVIENT?

The ECCOH 5983 formulation has been developed to help prevent stress cracking in armored cables by offering high tear strength and elongation at break at temperatures ranging from -25°C to 90°C. MARKETS AND APPLICATIONS • Cable jackets for low and medium-voltage power cables with metal armoring, typically installed underground or where installation requires them to be bent • Armored cable applications that require compliance with LTS1 requirements as per the BS 7655-6.1 standard IMPACT • High environmental stress cracking resistance • High tear strength and elongation at break at temperatures ranging from -25°C to 90°C • Flame retardant performance • Limiting oxygen index (LOI) of 36% • Exceeds BS 7655-6.1:1997 standard criteria for LTS1–LTS4 for complex designs and armored cables PRODUCT BULLETIN Cable jacket liable to cracking Power Cable Cross Section Metal armoring 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation. KEY CHARACTERISTICS ECCOH 5924 ECCOH 5981 ECCOH 5983 UV Material Standards BS7655-6, 1 (LTS1–4), BS6724, IEC 60502 BS7655-6, 1 (LTS3) BS7655-6, 1 (LTS1–4) Tear Strength at 23°C 7.7 N/mm 10 N/mm 11 N/mm Tear Strength at 65°C 2.3 N/mm 5 N/mm 6.5 N/mm Hot Pressure Test (6h at 90°C) 39% –

CABLE MANUFACTURER J A C K E T F O R P O W E R C A B L E • High tear resistance > 11 N/mm • High environmental stress cracking resistance (ESCR) • Cost efficient solution • Hot pressure resistance above 80°C • Provided a jacket solution that complies with LTS1 requirements as per the BS 7655-6.1 standard • Enabled use in over-armored cables operating at a maximum conductor temperature of 90°C • Supported our customer in optimizing the processing of the new material ECCOH LSFOH 5983 Formulation KEY REQUIREMENTS WHY AVIENT?

CABLE MANUFACTURER C A B L E J A C K E T • Operating temperature from -40°C to 70°C • High gel resistance • Low shrinkage • Strippable for easy installation • Good flame retardancy • Developed a formulation with oil resistance as per the NEK 606 technical specification • Allowed our customer to use the same cable design in various climates due to its wide operating temperature range • Provided expertise to improve manufacturing efficiencies, helping the customer achieve higher processing speeds ECCOH LSFOH 5806 Formulation KEY REQUIREMENTS WHY AVIENT?

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。 埃万特的产品不为以下目的或用途而设计，也不会宣传或预期用于以下目的或用途： (a) 被美国食品药品监督管理局（FDA）或国际标准化组织（ISO）归类为“植入”类器械的医疗器械；或美国药典（USP）或ISO标准定义的“永久”使用器械；或 (b) 经修订的欧盟指令90/385/EEC中定义的有源植入式医疗器械；或者 (c) 经修订的欧盟指令93/42/EEC中定义的“长期”使用的医疗器械。

Cosmetic brands COSMETIC BRANDS C O V E R O F A I R C U S H I O N P O W D E R C O M P A C T • Low coefficient of friction (COF) to balance the opening pressure and sealing performance • General FDA compliance • Good chemical resistance and barrier protection to water and oxygen • Overmold to PP with good compression set • Delivered chemically resistant material with excellent sealing properties and good resilience to achieve requested performance • Provided onsite technical support to improved injection speed and achieve good bonding performance • Offered a material solution that could be leveraged across the customer’s global cosmetic brands Custom Versaflex™ TPE KEY REQUIREMENTS WHY AVIENT?