They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial performance and/or sales. 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. Q 4 AN D FU LL Y EA R 2020 PE RF O RM AN CE $0.30 $0.52 Q4 2020 ORGANIC PERFORMANCE 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 10 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 11 • 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 23%8% 21% 2006 2020PF Avient Portfolio Transformation 22% 59% CLARIANT MASTERBATCH: TRANSFORMATIONAL ACQUISITION 12 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.

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In addition, as a business leader at 3M he has demonstrated great success in using that expertise to drive sales and profit growth. portfolio has been repositioned to be 100 percent specialty materials, Ashish's deep technical expertise and demonstrated commercial success in building and growing businesses makes him the ideal leader to take having transformed the Company's portfolio to 100 percent specialty and built a foundation for even greater success."

ONFLEX™ HT ONFLEX™ AF 7210 ONFLEX™ S KA ONFLEX™ S KG Applications Fasteners/ Defining Characteristic High temperature sealing Ambient temperature sealing High temperature sealing Ambient temperature sealing Density 1.00 g/ml 0.99 g/ml 1.10 g/ml 1.13 g/ml Physical Properties Tensile Strength 6.0–10.0 MPa 5.0–11.5 MPa 3.0–7.5 MPa 2.6–4.9 MPa Tear Resistance 25.0–37.0 kN/m 21.0–43.0 kN/m 17.0–46.0 kN/m 16.0–29.0 kN/m Compression Set 73°F (23°C) 72hrs 12–27% 16–32% 13–23% 31–35% 158°F (70°C) 22hrs 28–44% 32–43% 29–38% 62–66% 212°F (100°C) 22hrs 45–53% 56–60% 54–57% 80–85% Hardness 40–80 Shore A 40–80 Shore A 40–80 Shore A 40–80 Shore A Overmolding Substrate Polypropylene/ Polyethylene Polypropylene Polyamide Polyamide Processing Injection Molding/ HOW GLS TPEs MAKE THE DIFFERENCE IN AUTOMOTIVE FASTENERS AND CLIPS • Low compression set – coupled with good stress relaxation, our automotive TPEs are designed to maintain a good seal over time and reduce noise generated by vibration • High temperature performance – Avient automotive TPEs provide good sealing performance in temperatures up to 100°C/212°F • Bonding performance - strong chemical bond to polypropylene, polyethylene, and polyamide • Process flexibility - grades can be both injection molded and extruded • Easy to color - can be colored at the machine • Reduced production steps - some grades do not require pre-drying • Low VOC/FOG - OnFlex HT™ has been externally tested to VDA 278 and is proven to help satisfy vehicle interior air quality (VIAQ) regulatory requirements • Single source supply – we can streamline your supply chain with the ability to provide polymer colorants, engineered thermoplastics, and thermoplastic elastomers from a single source • Global support - we provide production, technical, and commercial support in locations convenient to your operations, including North America, Europe, and Asia To learn more about GLS TPEs for automotive applications, visit www.avient.com or call +1.844.4AVIENT (1.844.428.4368). Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

CONSUMER ELECTRONICS SOLUTIONS BLUE JEAN STAIN RESISTANT TPES FOR WHITE AND LIGHT-COLORED PHONE CASES TPU 100 100 Versaflex™ CE 3320-70 Silicone HOW BLUE JEAN STAIN RESISTANT TPES MAKE THE DIFFERENCE FOR WHITE AND LIGHT-COLORED PHONE CASES Achieve blue jean stain resistance – Versaflex CE 3320-70 is the first thermoplastic elastomer able to keep white and light-colored phone cases from staining when in contact with blue jeans. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

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.

COLORANT CHROMATICS HIGH-TEMPERATURE POLYMER FORMULATIONS PRODUCT SELECTION GUIDE COLORANT CHROMATICS HIGH TEMPERATURE COMPOUNDS PROPERTY ISO Test Method Units PES PPSU PEI LCP PEEK PSU PHYSICAL Density 1183 — 1.37 1.29 1.27 1.40 1.30 1.24 Mold Shrinkage Flow/X-flow 294–4 % 0.8/0.85 0.7/XX 0.6/0.7 0/0.7 1.0/1.3 0.7 MECHANICAL Tensile Strength 527 Mpa 85 70 85 200 100 70 Tensile Elongation Yield 527 % 7 7.5 6 — — 6 Tensile Elongation Break 527 % >25 >60 60 3 30 >50 Izod Notched 180 kJ/m2 7 55 5 95 7 5.5 THERMAL HDT 1.8 MPa 75 °C 205 200 190 190 150 175 FLAMMABILITY Flame Rating UL-94 — V-0 V-0 V-0 V-0 V-0 HB ADDITIONAL Steam Sterilizable — Cycles 100 2000 2000 1500 1000 100 CUSTOM OPTIONS Color — — Yes Yes Yes Yes Yes Yes Reinforced — — Yes Yes Yes Yes Yes Yes Conductive — — Yes Yes Yes Yes Yes Yes Lubricated — — Yes Yes Yes No Yes Yes Radiopaque — — Yes Yes Yes No Yes Yes Trade Names — — Veradel Ultrason E Radel Ultrason P Ultem Vectra Zenite Xydar KetaSpire Victrex Vestakeep Udel Ultrason S Avient high temperature precolored and specialty compounds are your solutions for high performance products. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

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Around the world, in more than 100 sales, manufacturing and regional offices, Avient and its employees are committed to being a positive presence in the communities in which we work and live.