SECURITY POLICY Avient Corporation places a high priority on protecting the security of our people, our buildings and equipment, and our proprietary information, technology and systems. It is the responsibility of each person at Avient, including contractors, suppliers, and visitors, to follow all security procedures, to remain aware of and report all possible security threats, to remain committed to working in a secure and safe manner, and to be prepared to respond to emergencies safely and effectively.

Handelsregisteramt des Kantons Basel-Landschaft BASEL LAN DSCHAFT $t Firmennummer cHE-480.567.505 Rechtsnatur Aktiengesellschaft Eintragung 09.09.2019 Löschung U be rtra g CH-280.3.023.7 7 7 -6 von: auf: 1 llillllll llll ll illllll lll A e E n'rasunsen Ei Lö Firma Rel Sitz 1 I 7 7 7 7 Avient Colorants Switzerland AG (Avient Colorants Switzerland Ltd) 1 Muttenz Ei Lö Aktienkapital (CHF) Liberierung (CHF) Aktien-Stückelung Ei Lö Domiziladresse 1 100'000.00 100'000.00 100 vinkulierte Namenaktien zu CHF 1'000.00 1 Rothausstrasse 61 4132 Muttenz Ei Lö Zweck Ei Lö weitere Adressen 1 Die Gesellschaft bezweckt den Erwerb, die Ver"waltung und Veräusserung von Beteiligungen an Unternehmen, die auf dem Gebiet der Chemie und verwandten Gebieten tätig sind, insbesondere im Bereich Masterbatches und Kunststoffe. LANDSCHAFT I cHE480.567.505 Avient Colorants Switzerland AG Muttenz 2 Alle Eintragungen Ei Ae Lö Personalangaben Funktion Zeichnungsart 5 5 3 3 4 b 7 7 7m 4m 7m 6m horigef, in+irstetden Mer*leihNsrberfdeutseherStaatsangehöriger, in Kronberg (DE) rStaatsangehd'riger-in Cuxen@+U) James, Robert Kenneth, amerikanischer Staatsangehöriger, in Ohio (US) Garratt, Michael Alexander, amerikanischer Staatsangehöriger, in Luxemburg (LU) Tamura, Mauricio Massanobu, portugiesischer Staatsangehöriger, in Birsfelden Merklein, Norbert, deutscher Staatsangehöriger, in Rheinfelden l:M.des Venffattungsrates Mitglied des Verwaltungsrates lAltgtietres Veftvattungsrates l+tgl+e#es Venffattungsrates Mitglied des Verwaltungsrates Mitglied des Verwaltungsrates Präsident des Verwaltungsrates Mitglied des Verwaltungsrates @ Kollektivunterschrift zu zweien ffiien Ehz ehrntersehrift Einzelunterschrift Einzelunterschrift Einzelunterschrift Einzelunterschrift Arlesheim, 02.12.2020 11:46 BM Dieser Auszug aus dem kantonalen Handelsregister hat ohne die nebenstehende Originalbeglaubigung keine Gültigkeit.

No. 0962.01) 09/05/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 80 North West Street Norwalk, OH 44857 Craig Polta Phone: 419 660 4278 MECHANICAL Valid To: September 30, 2025 Certificate Number: 0962.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following tests on plastics: Test Method(s) Test Name ASTM D256; ISO 180 Notched Izod ISO 179 (1eA) Determination of Charpy Impact ASTM D523 Gloss ASTM D618 (Method A) Conditioning of Test Specimens ASTM D792 (Method A) Specific Gravity ASTM D1238 (Method B) Melt Flow Rate ASTM D3012 Thermal Oxidative Stability ASTM D3641 Injection Molding Test Specimens FMVSS 302 Flammability ASTM E1331; SAE J1545 Spectrophotometric Color Difference SAE J1885 (Rev. Accredited Laboratory A2LA has accredited AVIENT CORPORATION Norwalk, OH for technical competence in the field of Mechanical Testing This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories.

REPÚBLICA FEDERATIVA DO BRASIL CADASTRO NACIONAL DA PESSOA JURÍDICA NÚMERO DE INSCRIÇÃO 02.166.983/0001-66 MATRIZ COMPROVANTE DE INSCRIÇÃO E DE SITUAÇÃO CADASTRAL DATA DE ABERTURA 03/10/1997 NOME EMPRESARIAL AVIENT BRASIL LTDA.

Microsoft Word - IATF 16949 North Baltimore[80].doc ABS Quality Evaluations Certificate Of Conformance This is to certify that the Quality Management System of: Avient Corporation Engineered Materials Division Avient Corporation 733 E. WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: IATF 16949:2016 The Quality Management System is applicable to: DESIGN AND MANUFACTURE OF CUSTOM PVC PLASTISOL AND PVC SLUSH MOLD POWDER Certificate No: 38972 Effective Date: 04 September 2021 Expiration Date: 03 September 2024 Revision Date: 04 September 2021 IATF No: 0422162 Dominic Townsend, President 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 1 of 2 ABS Quality Evaluations IATF 16949:2016 Certificate Of Conformance ANNEX Certificate No: IATF No: 38972 0422162 Avient Corporation Engineered Materials Division At Below Facilities: Facility: Corporate 33587 Walker Road Avon Lake, OH 44012 U.S.A.

In addition, laser absorption levels can be adjusted using our formulation expertise. In addition to PA66, our solutions also can be customized using multiple base resins such as PC and PBT to meet specific customer needs. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Avient se consacre à exercer son activité avec honnêteté, intégrité, selon les normes éthiques les plus strictes, et conformément à toutes les lois antitrust. Une violation de la loi antitrust peut exposer Avient et vous personnellement à de graves sanctions pénales et civiles. À ne pas faire : Conclure tout accord, entente ou discussion avec tout client concernant la sélection ou la résiliation par Avient d’autres clients ou les conditions auxquelles Avient traite ou pourrait traiter avec tout autre client, y compris les produits à vendre, à qui, à quels prix et dans quels territoires ou marchés les vendre. 11.

Roman, Secretary of State of the Government of Puerto Rico, CERTIFY: That on July 13, 2020, at 08:50 AM, "POLYONE PUERTO RICO, LLC", registry number 365432, performed the following transaction: Name Change Previous Actual POLYONE PUERTO RICO, LLC AVIENT PUERTO RICO, LLC CERTIFICATE OF AMENDMENT Government of Puerto Rico IN WITNESS WHEREOF, the undersigned by virtue of the authority vested by law, hereby issues this certificate and affixes the Great Seal of the Government of Puerto Rico, in the City of San Juan, Puerto Rico, today, July 13, 2020.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms. No modification or addition to the contract shall occur by the acknowledgment or acceptance by Seller of a purchase order, acknowledgment, release or other form submitted by Buyer containing additional or different terms or conditions. 20.