PolyOne Corporation Page 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. 1) Special items are a non-GAAP financial measure and are used to determine adjusted earnings.

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 PolyOne Corporation Page 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.

Seller makes no warranties extending beyond the description of the Product, whether used alone or in combination with any other substance or in any process. Seller has no liability for the failure in discharging or unloading equipment or materials used by Buyer, whether or not supplied by Seller. Seller may use all evidence to establish that the damages are less than asserted by Buyer.

Visto que os relacionamentos românticos ou namoros fora da cadeia de supervisão também podem ser perturbadores e prejudicar a moral e a confiança na organização, dependendo das circunstâncias esperamos que qualquer colaborador envolvido neste tipo de relacionamento use o bom julgamento, aja com discrição, e esteja ciente de qualquer impacto negativo que o relacionamento dele possa ter sobre os colegas de trabalho. CÓDIGO DE CONDUTA | 14 NOSSO CÓDIGO DE HONESTIDADE NO INTEGRIDADE EM RESPONSABILIDADE RECURSOS https://www.avient.com/company/policies-and-governance/it-systems-use-policy https://www.avient.com/company/policies-and-governance/it-systems-use-policy Informações exclusivas e confidenciais, ideias e propriedade intelectual Nossa vantagem competitiva pode ser reduzida facilmente se outros obtiverem acesso a informações exclusivas, ideias inovadoras ou propriedade intelectual da Avient e as usarem para desenvolver produtos concorrentes ou obter posições com os clientes. Não use informações importantes não públicas para obter ganho pessoal; e 2.

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. USE OF NON-GAAP MEASURES PolyOne Corporation 3 • This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.

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. USE OF NON-GAAP MEASURES PolyOne Corporation 3 • This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.

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 condition, performance and/or sales. items, include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. Use of non-GAAP measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources.

Requirements: Excellent clarity, scratch resistance and exceptional toughness Avient Distribution HC Portfolio: Acrylic, copolyester, PC, clarified PP Visual Identification Use colors and additives to differentiate and identify your brand, product or batch. Component materials must be carefully selected for either transparency or shielding to wireless signals • Expertise in design for human factors improves ease-of-use and intuitiveness of the device Avient Corporation 10 15.

They are used in many different industries, from automotive and aerospace to infrastructure and recreation.

No. 0562.01) 11/30/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 733 East Water Street North Baltimore, OH 45872 Claire Holman Phone: (419) 257-1327 MECHANICAL Valid To: October 31, 2025 Certificate Number: 0562.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following automotive plastics tests: Test Method: Test Name: ASTM D412 Tensile ASTM D523 Specular Gloss ASTM D618 (A) Conditioning of Plastics ASTM D624 (Die C) Tear Strength ASTM D638 Tensile Properties ASTM D792 (A) Density and Specific Gravity by Displacement ASTM D1004 Initial Tear Resistance ASTM D1203 (A) Volatile Loss ASTM D1895 (A) Apparent Density, Bulk Factor, Pourability ASTM D1921 Particle Size (Sieve Analysis) ASTM D2240 Durometer Hardness (Shore A and D) ASTM E1331 Color by Spectrophotometry Using Hemispherical Geometry FMVSS 571.302 Flammability FORD BN-102-01 (A) Low Temperature Flexibility FORD BO-131-03 Interior Odor ISO 3795 Determination of Burning Behavior of Interior Materials SAE J323 (A) Cold Cracking (Mandrel Bend) SAE J1351 Hot Odor for Insulation Materials SAE J1545 Instrumental Color Difference Measurement DOC-058151 Angle of Repose 1 Laboratory Developed Method For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation.