KEY CHARACTERISTICS • Multipurpose, multi-resin colorant concentrates • Formulated with high quality, heavy metal-free pigments • Carrier system designed for compatibility across different resin systems • Samples available with quick turnaround in small lots for customer evaluation • Available in a wide range of stock and standard colors* • Low LDRs—typically 1–3% • Low minimum order quantities for both stock and non-stock colors * Color availability dependent on region or country PRODUCT BULLETIN MARKETS AND APPLICATIONS Omnicolor Multipurpose Colorants can be used for injection molding, blow molding, or profile and sheet extrusion processes.

The new accounting standard is effective January 1, 2018 and requires all components of annual periodic pension and postretirement costs, other than service costs, to be presented below Operating Income.

These solutions can support the strength and elasticity of the fabric for superior shape recovery of up to 99% after 300% elongation over 1 minute.

Manufacturers have the ability to design and validate to meet UL criteria, and FM approval standards, including: • UL94 V-0 • UL94 HB • UL94 V-1 • UL94 5VA • UL94 V-2 • UL94 5VB • UL2335 • FM4998 NON-HALOGENATED CHOICES In addition to standard halogenated options, Cesa Flame Retardant Additives are also available as non-halogenated formulations.

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Santiago, 3 Junio 2021 C ód ig o de V er ifi ca ci ón : 0 12 -2 10 6- 03 09 -1 14 2 012-2106-0309-1142 Documento incorpora Firma Electronica Avanzada Código de Verificación: cec_1c0abd-0 pagina 2 de 2 EDUARDO JAVIER DIEZ MORELLO 2021-06-03T10:28:54-0600 Santiago Firma Electrónica Notario 2021-06-04T10:37:47-0400

ACCEPTANCE 1. Terms and Conditions (October 1, 2024) Allgemeine Geschäftsbedingungen (1. Oktober 2024) 1.

ECert.pdf Page 1 of 2 Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof.

Page 102 Critical Imperatives – Medium to Long Term • Continue cultural and paradigm shift from commodity compounder to collaborative formulator as One PolyOne • Accelerate innovation and leverage megatrends to improve our mix of business with higher-margin improve our mix of business with higher-margin specialty products • Increase specialty contribution and advance globalization via acquisitions • Drive relentless execution and creative innovation as key competitive differentiators Page 103 2011 Proforma ColorMatrix 2015 Target “Where we are” “Where we expect to be” 1) Operating Income % Specialty 8.9% PP&S 7.2% 12 – 16% 9 – 12% Elevating our Expectations and Yours PP&S 7.2% Distribution 5.6% 2) Specialty Platform % of Operating Income 50% 3) ROIC* (after-tax) 10% 4) Adjusted Annual EPS Growth 3 yr CAGR = 71% 9 – 12% 6 – 7.5% 65 – 75% 15% Double Digit Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 104

1 (3) Pending matter(s) The register indicates pending matter(s) regarding a change to the registered information at the time this certificate was created. 2 (3) Registration number: 516411-5031 Business name: Avient S.à r.l., Sweden Filial Address: Drottninggatan 56 411 07 GÖTEBORG County and municipality: Västra Götaland, Göteborg Note: MANAGING DIRECTOR 630516 Palm, Christoph, Gruss Strooss 35, L-9991 WEISWAMPACH, LUXEMBURG AUDITORS 556053-5873 Ernst & Young Aktiebolag, Box 7850, 103 99 STOCKHOLM Represented by: 850807-5135 PRINCIPALLY RESPONSIBLE AUDITOR 850807-5135 Edman, Mikael Thomas Gunnar, c/o Ernst & Young AB, 401 82 GÖTEBORG SIGNATORY POWER Signatory power alone by Palm, Christoph FINANCIAL YEAR Registered financial year: 0101 - 1231 DATE OF REGISTRATION OF CURRENT AND PREVIOUS BUSINESS NAMES 2021-11-29 Avient S.à r.l., Sweden Filial 2018-08-28 PolyOne S.à.r.l., Sweden Filial INFORMATION ABOUT THE FOREIGN COMPANY B226205 Avient S.á.r.l. 19, Route de Bastogne L-9638 Pommerloch LUXEMBURG Registered office of the foreign company: Pommerloch Name of the register in which the foreign company is registered: 3 (3) RCS, Registre de Commerce, Luxembourg Business Register LUXEMBURG Foreign company's financial year: 0101 - 1231 The above information is an extract from the Trade and Industry Register Bolagsverket, the Swedish Companies Registration Office.