All late payments shall bear an annual interest of one (1) month EURIBOR plus 8% accrued on a daily basis, notwithstanding any damages. Unless otherwise stated, all prices are in Euro. 8. Any dispute arising from the execution, implementation or interpretation of the sale agreement between Buyer and Seller shall at first instance be subject to the sole jurisdiction of the district court at Seller’s domicile. * * Terms and Conditions Finland (8 April 2013)

Table of Contents 1.0 Organizational Context ..............................................................................................................................................3 1.1 Purpose ..................................................................................................................................................................3 1.2 Scope ......................................................................................................................................................................3 2.0 Avient Global Quality Policy ......................................................................................................................................4 3.0 Supplier Management ...............................................................................................................................................5 3.1 Supplier Quality Management System..................................................................................................................5 3.2 Performance Evaluation ........................................................................................................................................5 3.3 Supplier On-Site Audit ...........................................................................................................................................5 3.4 Product and Process Changes ................................................................................................................................6 4.0 Supplier Quality Expectations ...................................................................................................................................6 4.1 Raw Material(s), Packaging and Shipping .............................................................................................................6 4.2 Nonconforming Material, Containment, and Supplier Corrective Action............................................................6 4.3 Contingency / Disaster Recovery Plan...................................................................................................................7 4.4 Sub-Tier Supplier Controls .....................................................................................................................................7 5.0 Avient Business Expectations ....................................................................................................................................8 Additional functional area documentation ........................................................................................................................8 6.0 References..................................................................................................................................................................9 7.0 Definitions and Acronyms .........................................................................................................................................9 Approved Corporate : Manual Document #: DOC-02627 Revision: 6 Document Owners: Kyle Johnson Effective Date: Mar 20, 2024 Title: Global Supplier Quality Manual Page 3 of 10 Only the electronic version of this document in ETQ is the controlled version of the document. In the event of Avient’s involvement, it does not Approved Corporate : Manual Document #: DOC-02627 Revision: 6 Document Owners: Kyle Johnson Effective Date: Mar 20, 2024 Title: Global Supplier Quality Manual Page 8 of 10 Only the electronic version of this document in ETQ is the controlled version of the document.

OS BENEFÍCIOS DO VERSAFLEXTM PF PARA PELÍCULAS PROTETORAS DE SUPERFÍCIE: • Aderência personalizável • Processo de fabricação de etapa única (coextrusão) • Baixas emissões de compostos orgânicos voláteis (COV) durante a fabricação • Elimina operações secundárias de revestimento e secagem • Elimina produtos químicos líquidos perigosos em comparação com os sistemas de solventes • Reduz custos de conversão em comparação com revestimento • Reduz o consumo de energia MERCADOS E APLICAÇÕES As formulações Versaflex PF, personalizáveis com base no nível desejado de aderência, são coextrudadas com películas protetoras para fornecer apenas a quantidade certa de proteção durante a fabricação, montagem, envio, armazenamento e instalação de produtos acabados em muitas indústrias e aplicações de uso final, incluindo: • Películas ópticas e painéis de exibição de eletrônicos para o consumo • Eletrodomésticos • Construção e materiais de construção • Móveis e armários • Automotivo e outros transportes 100/0 90/10 80/20 70/30 60/40 40/60 30/70 20/80 10/90 0/100 0,9 1,1 2,0 2,4 2,8 3,7 3,8 4,9 0 1 2 3 4 5 6 7 8 6,5 1,6 Versaflex PF MD6727 Versaflex PF MD6748 Versaflex PF MD6700 Versaflex PF MD6666 Versaflex PF 9512 Versaflex PF MD6649 Versaflex PF MD6741 0 2 4 6 8 10 12 % de MD6741/MD6700 O grau de aderência pode ser personalizado para superfícies de substrato.

BENEFITS OF VERSAFLEX PF FOR SURFACE PROTECTIVE FILMS: • Customizable tack • Single-step manufacturing process (co- extrusion) • Low volatile organic compound (VOC) emissions during manufacturing • Eliminates secondary coating and drying operations • Eliminates hazardous liquid chemicals compared to solvent systems • Reduces converting costs versus coating • Reduces energy consumption MARKETS AND APPLICATIONS Versaflex PF formulations, customizable based on desired level of tack, are co-extruded with protective films to provide just the right amount of protection during the fabrication, assembly, shipment, storage and installation of finished goods in many industries and end-use applications including: • Optical films and display panels for consumer electronics • Home appliances • Construction and building materials • Furniture and cabinetry • Automotive and other transportation 100/0 90/10 80/20 70/30 60/40 40/60 30/70 20/80 10/90 0/100 0.9 1.1 2.0 2.4 2.8 3.7 3.8 4.9 0 1 2 3 4 5 6 7 8 6.5 1.6 Versaflex PF MD6727 Versaflex PF MD6748 Versaflex PF MD6700 Versaflex PF MD6666 Versaflex PF 9512 Versaflex PF MD6649 Versaflex PF MD6741 0 2 4 6 8 10 12 % of MD6741/MD6700 Degree of tack can be customized for substrate surfaces.

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% 18% 9% 6% 16% 2% $46.9 20% • • • • • • 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 Excellence • • • Commercial Excellence • • People Avient Corporation 8 5% 2006 2019E PF* 4% 12% 10% 18% 8% 20% 2006 2019E PF* Healthcare Consumer Packaging 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 Wire & Cable 11% Industrial 10% Electrical & Electronic 7% Healthcare 4% Packaging 8% Consumer 10% Transportation 12% Building & Construction 38% Healthcare 12% Packaging 20% Consumer 18%Transportation 12% Building & Constrution 5% Wire & Cable 9% Industrial 11% Electrial & Electronic 4% Appliance 2% Textiles 7% 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% 20% 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 7% 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 solutions 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 Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and sustainable solutions 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 Healthcare 15% Industrial 14% Consumer 14% Packaging 13% Transportation 13% Wire & Cable 11% Building & Construction 6% Electrical & Electronics 6% Textiles 5% Appliance 3% Color Additives & Inks 34% Distribution 41% Specialty Engineered Materials 25% United States 54% Europe 19% Asia 11% Latin America 11% Canada 5% Avient Corporation 19 Operating Income % of Sales 2006 2019 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 At Acquisition 2019 $36 $100 At Acquisition 2019 9% 19% At Acquisition 2019 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 solutions 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 15% Innovation comes from Research & Development Spend Vitality Index 12% 37% 2006 2019 $20 $51 2006 2019 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 Packaging 31% Industrial 14% Textiles 13% Wire & Cable 10% Building & Construction 9% Consumer 8% Transportation 7% Healthcare 5% Appliances 2% Electrical & Electronics 1% 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 Europe 34% United States 44% Asia 15% Canada 1% Mexico 3% South America 3% $4 $25 $104 $147 2005 2009 2013 2019 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% Consumer 19% Electrical & Electronics 12% Healthcare 9% Industrial 8% Packaging 6% Appliance 2% Building & Construction 2% Transportation 14% 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 Europe 27% United States 54% Asia 17% Canada 2% $21 $57 $87 2005 2009 2013 2019 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 Healthcare 28% Industrial 19% Transportation 18% Consumer 17% Appliance 6% Electrical & Electronics 5% Building & Construction 4% Packaging 2% Wire & Cable 1% Operating Income & Margin2019 Revenue | $1.2 Billion $25 $63 $75 2005 2009 2013 2019 $20 2.9% 4.0% 5.9% 6.3% Avient Corporation 30 http://www.polyone.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 (1) Special items, tax adjustments (1) 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).

SPORTING GOODS Boots, bindings, protective equipment MARINE Hull reinforcement, seats, paddles 50% Long Glass Fiber Reinforced PP 50% Long Glass Fiber Reinforced PP + 0° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90°/90°/0° CFRTP 17K 28K 29K 50% Long Glass Fiber Reinforced PP + 0°/90°/0° CFRTP 29K 31K +60.7% FLEXURAL STRENGTH (ASTM D7264) IMPACT RESISTANCE (ASTM D3763) 50% Long Glass Fiber Reinforced PP 50% Long Glass Fiber Reinforced PP + 0° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90°/0° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90°/90°/0° CFRTP E ne rg y at T ot al ( J) Fo rc e at P ea k (k N ) 18 16 14 12 10 8 6 4 2 0 6.0 5.9 4.0 3.0 2.0 1.0 0.0 11.2 15.1 14.6 12.7 16.4 1.2 1.9 2.8 4.0 5.0 +58.3% +34.8% 50% Long Glass Fiber Reinforced PP 50% Long Glass Fiber Reinforced PP + 0° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90°/90°/0° CFRTP 17K 28K 29K 50% Long Glass Fiber Reinforced PP + 0°/90°/0° CFRTP 29K 31K +60.7% FLEXURAL STRENGTH (ASTM D7264) IMPACT RESISTANCE (ASTM D3763) 50% Long Glass Fiber Reinforced PP 50% Long Glass Fiber Reinforced PP + 0° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90°/0° CFRTP 50% Long Glass Fiber Reinforced PP + 0°/90°/90°/0° CFRTP E ne rg y at T ot al ( J) Fo rc e at P ea k (k N ) 18 16 14 12 10 8 6 4 2 0 6.0 5.9 4.0 3.0 2.0 1.0 0.0 11.2 15.1 14.6 12.7 16.4 1.2 1.9 2.8 4.0 5.0 +58.3% +34.8% Application design Modeling & simulation Prototyping & validation Material selection Composite/ resin compatibility Custom formulations Mold filling analysis Technical support Process optimization PROCESSING MATERIALS Material selection is crucial to an application’s success.

No. 10231X Form W-9 (Rev. 10-2018) AVIENT CORPORATION ✔ 5 D 33587 WALKER ROAD AVON LAKE, OH 44012 3 4 1 7 3 0 4 8 8 7/20/2020

• Automoción y otros medios de transporte. 100/0 90/10 80/20 70/30 60/40 40/60 30/70 20/80 10/90 0/100 0,9 1,1 2,0 2,4 2,8 3,7 3,8 4,9 0 1 2 3 4 5 6 7 8 6,5 1,6 Versaflex PF MD6727 Versaflex PF MD6748 Versaflex PF MD6700 Versaflex PF MD6666 Versaflex PF 9512 Versaflex PF MD6649 Versaflex PF MD6741 0 2 4 6 8 10 12 % de MD6741/MD6700 El grado de adherencia puede personalizarse para superficies de sustrato.

特点 电线和电缆 高度阻燃 毒性和烟密度极低 不同级层间可交联 可与色母料、添加剂浓缩液、紫外稳定剂一同加工 高度阻燃 毒性和烟密度极低 适合进行挤压和注射成型 管和配件 材料（ECCOH） 5924C 5920 5511C 5806UV 5127UV 5549/1 8300-8001 8300-8003 8300-8008 1125C 1052C 5309 5995/1C 5555C 5286 3140-3 6151 5865C XLS8002 6649 中低压电缆 光缆 机车/船 光缆 电缆/光缆 电子线 电缆 电子线 电子线 电缆 机车缆护套 电缆/光缆 电缆 机车缆 电缆 电缆/光缆 电缆 电缆 电缆/光缆 应用 热老化等级 热塑性 √ √ √ √交联型 交联方式 密度48 熔融指数（150℃/21.6kg） 硬度shore D 拉伸强度MPa 断裂伸长率% 氧指数% 耐环境应力开裂ESCR 阻燃性能 低温性能 耐油性能 耐UV性能 耐泥浆性能 低摩擦性能 产地 有焰（1mm）ASTM E662 无焰（1mm） 70 235 C类 √ √ √ 中国 45 265 中国 68 275 √ √ √ 欧洲 210 √ C类 中国 1.49~1.51 4.0 54 12.5 200 36 1.47 3.5 55 14 210 34 1.53 0.8 56 14 150 40 1.51 1 47 9.5 170 38 1.46 3.8 54 15.5 180 32 √ 中国 1.6 2.9 49 11.7 170 45 CPR B √ √ 中国/欧洲 1.29 13.5 48 17.5 345 27 FT-2 中国 1.27 9.5 48 13 360 29 90 190 √ 中国 1.49 8 53 15.7 245 35 63 180 √ 中国 1.54 2.7 55 11.5 180 40 106 214 CPR C √ √ 中国 1.5 8 50 12.5 180 34 84 206 C类 √ 中国 1.5 1.6 46 14 250 39 √ √ √ 欧洲 1.48 3 46 11 215 36 √ √ 欧洲 1.6 2.8 48 10.3 165 41 √ √ √ 欧洲 1.58 4.2 48 12.4 160 46 CPR B √ 欧洲 1.46 6 53 17 160 33 39 143 √ 欧洲 1.51 4 53 11.5 170 43 50 150 √ √ √ 中国 1.54 2.3 56 11.5 155 35 D类 中国 1.5 5.8 12 250 27 FT-2 中国 1.35 10 49 15 320 28 FT-2 中国 辐照/硅烷 辐照 辐照 辐照 辐照 辐照 自交联/水浴辐照/硅烷 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ 90℃ 90℃ 90℃ 105℃ 90℃ 105℃ 125℃ 105℃ 105℃ 105℃ 90℃ 90℃ 90℃105℃ 105℃ 105℃ 105℃ 105℃ 加工方式（挤出） 材料性能:热塑状态（非交联后） 烟密度（最大） 特殊性能 ECCOH™低烟、无卤解决方案

TÍTULO DO ESTABELECIMENTO (NOME DE FANTASIA) ******** PORTE DEMAIS CÓDIGO E DESCRIÇÃO DA ATIVIDADE ECONÔMICA PRINCIPAL 20.99-1-99 - Fabricação de outros produtos químicos não especificados anteriormente CÓDIGO E DESCRIÇÃO DAS ATIVIDADES ECONÔMICAS SECUNDÁRIAS 46.79-6-01 - Comércio atacadista de tintas, vernizes e similares 46.84-2-99 - Comércio atacadista de outros produtos químicos e petroquímicos não especificados anteriormente 46.63-0-00 - Comércio atacadista de Máquinas e equipamentos para uso industrial; partes e peças 28.66-6-00 - Fabricação de máquinas e equipamentos para a indústria do plástico, peças e acessórios 82.11-3-00 - Serviços combinados de escritório e apoio administrativo 64.63-8-00 - Outras sociedades de participação, exceto holdings 71.20-1-00 - Testes e análises técnicas 22.29-3-02 - Fabricação de artefatos de material plástico para usos industriais CÓDIGO E DESCRIÇÃO DA NATUREZA JURÍDICA 206-2 - Sociedade Empresária Limitada LOGRADOURO AV FRANCISCO NAKASATO NÚMERO 1700 COMPLEMENTO ******** CEP 13.295-000 BAIRRO/DISTRITO SAO ROQUE DA CHAVE MUNICÍPIO ITUPEVA UF SP ENDEREÇO ELETRÔNICO FABIANA.SILVA@POLYONE.COM TELEFONE (11) 4593-9279/ (11) 4593-9252 ENTE FEDERATIVO RESPONSÁVEL (EFR) ***** SITUAÇÃO CADASTRAL ATIVA DATA DA SITUAÇÃO CADASTRAL 08/04/2005 MOTIVO DE SITUAÇÃO CADASTRAL SITUAÇÃO ESPECIAL ******** DATA DA SITUAÇÃO ESPECIAL ******** Aprovado pela Instrução Normativa RFB nº 1.863, de 27 de dezembro de 2018.