$0.30 $0.52 Q4 2020 ORGANIC PERFORMANCE 3 Sales $922 $997 +8% Operating Income EPS $58 $80 +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) 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 +8% +7% +7% +12% $5 $5 $5 $58 $5 $5 $5 $80 Avient CAI SEM Total $17 $19 $40 $18 $30 $58 Distribution SEM CAI +38% +45% +58% +6% (3) (3) (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 10% 23%8% 21% 4% 15% 2006 2020PF Healthcare Consumer Packaging Avient Portfolio Transformation 22% 59% CLARIANT MASTERBATCH: TRANSFORMATIONAL ACQUISITION Clariant MB EBITDA Growth Purchase Price Multiple 10.8 9.6 6.5 2019PF 2020PF 2020PF w/ Full Synergies • 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. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 22 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Other 2 3 2 2 2 3 3 3 4 4 5 5 5 6 6 6 7 9 25 t (E xc l. D is t. ) LB Median: 5%Median: 3% Avient reflects 2021 estimated revenue of $4,100M and excludes one-time synergy capture CAPEX ($20M) Avient Specialty Other Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators.

Going forward, our enhanced portfolio and strong balance sheet will open even more opportunities for innovation around our 4 P's of sustainability -- people, products, planet, and performance." Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Attachment 1 Special items (1) Attachment 4

Planet—Energy, Greenhouse Gas (GHG) Emissions and Climate Change Goals & Metrics—Sustainability Goals Air Quality Air emissions of the following pollutants: (1) NOx (excluding N2O), (2) SOx, (3) volatile organic compounds (VOCs), and (4) hazardous air pollutants (HAPs) RT-CH-120a.1 1. HAPs: 0.55 MT Energy Management (1) Total energy consumed, (2) percentage grid electricity, (3) percentage renewable, (4) total self-generated energy RT-CH-130a.1 1. Total energy: 899,679 GJ 2. % Grid electricity: 99.99% 3. % renewable: 0.69 4.

Planet—Energy, Greenhouse Gas (GHG) Emissions and Climate Change Goals & Metrics—Sustainability Goals Air Quality Air emissions of the following pollutants: (1) NOx (excluding N2O), (2) SOx, (3) volatile organic compounds (VOCs), and (4) hazardous air pollutants (HAPs) RT-CH-120a.1 1. HAPs: 0.55 MT Energy Management (1) Total energy consumed, (2) percentage grid electricity, (3) percentage renewable, (4) total self-generated energy RT-CH-130a.1 1. Total energy: 899,679 GJ 2. % Grid electricity: 99.99% 3. % renewable: 0.69 4.

We are Avient. 4 BETTER TOGETHER: POLYONE AND CLARIANT MASTERBATCH Key Financial Data (1) 2021E Sales $4.1 billion 2021E EBITDA $510 million 2021E Free Cash Flow $250 million 87% of EBITDA from specialty applications (1) As of February 9, 2021 webcast Innovation is the lifeblood of a specialty company. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 24 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Other 2 3 2 2 3 3 3 4 3 3 4 4 4 5 5 5 5 7 7 8 23 t (E xc l. D is t. ) LB Median: 5%Median: 3% Avient reflects 2021 estimated revenue of $4,100M and excludes one-time synergy capture CAPEX ($20M) Avient Specialty Other Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators.

PolyOne has four reportable segments: (1) Color, Additives and Inks; (2) Specialty Engineered Materials; (3) Performance Products and Solutions; and (4) Distribution. GOFF Executive Vice Chairman, Marathon Petroleum Corporation Committees: 3*, 4 WILLIAM R. Patricia Verduin LEADERSHIP 66672.indd main_14 3/25/19 4:01 PM POLYONE.COM 66672.indd main_15 3/25/19 4:01 PM

4/16/2021 Comprovante de Inscrição e de Situação Cadastral https://servicos.receita.fazenda.gov.br/servicos/cnpjreva/Cnpjreva_Comprovante.asp 1/2 Comprovante de Inscrição e de Situação Cadastral Cidadão, Con�ra os dados de Identi�cação da Pessoa Jurídica e, se houver qualquer divergência, providencie junto à RFB a sua atualização cadastral. TÍTULO DO ESTABELECIMENTO (NOME DE FANTASIA) ******** PORTE DEMAIS   CÓDIGO E DESCRIÇÃO DA ATIVIDADE ECONÔMICA PRINCIPAL 20.29-1-00 - Fabricação de produtos químicos orgânicos não especificados anteriormente   CÓDIGO E DESCRIÇÃO DAS ATIVIDADES ECONÔMICAS SECUNDÁRIAS 71.20-1-00 - Testes e análises técnicas 46.84-2-99 - Comércio atacadista de outros produtos químicos e petroquímicos não especificados anteriormente 82.11-3-00 - Serviços combinados de escritório e apoio administrativo   CÓDIGO E DESCRIÇÃO DA NATUREZA JURÍDICA 206-2 - Sociedade Empresária Limitada   LOGRADOURO AV DAS NACOES UNIDAS NÚMERO 18001 COMPLEMENTO ANDAR OITAVO ALA B PARTE   CEP 04.795-100 BAIRRO/DISTRITO VILA ALMEIDA MUNICÍPIO SAO PAULO UF SP   ENDEREÇO ELETRÔNICO EDUARDO.CARAMELO@CLARIANT.COM TELEFONE (11) 4745-8648/ (11) 5683-7918   ENTE FEDERATIVO RESPONSÁVEL (EFR) *****   SITUAÇÃO CADASTRAL ATIVA DATA DA SITUAÇÃO CADASTRAL 22/09/2015   MOTIVO DE SITUAÇÃO CADASTRAL   SITUAÇÃO ESPECIAL ******** DATA DA SITUAÇÃO ESPECIAL ******** Aprovado pela Instrução Normativa RFB nº 1.863, de 27 de dezembro de 2018. Página: 1/1  CONSULTAR QSA  VOLTAR  IMPRIMIR A RFB agradece a sua visita.

X MB201 F-1 X MB201 F-2 X MB201 F-3

Globální zásady boje proti úplatkářství a korupci společnosti Avient Vydáno: 1. července 2020 Obsah Globální zásady boje proti úplatkářství a korupci společnosti Avient 1 Důležitost dodržování předpisů 1 Naše odpovědnost 1 Co je úplatek? 2 Uplácení vládních činitelů 2 Komerční úplatkářství 3 Platby za rychlé vyřízení a nezákonné provize 3 Spolupráce se zástupci, distributory a dalšími třetími stranami 3 Proces náležité péče a schvalování 3 Výstražné signály 4 Požadavky na účetnictví a uchovávání záznamů 4 Hlášení možných porušení 4 Horká linka pro etiku společnosti Avient 4 Ochrana před odvetou 5 Rychlý odkaz: PRO A PROTI APLIKACE ZÁKONŮ O ÚPLATKÁŘSTVÍ A KORUPCI 6 1 Globální zásady boje proti úplatkářství a korupci společnosti Společnost Avient přísně zakazuje jakékoliv podvody, úplatkářství a další korupční obchodní praktiky ve všech našich obchodních činnostech kdekoli na světě. subject= 4 Výstražné signály Společnost Avient může být také v souladu se zákony proti úplatkářství a korupci odpovědná za jednání svých zástupců a jiných třetích stran (včetně partnerů ve společném podniku).