Important information about the health, safety and environmental impacts of Avient products. Browse our library of product data sheets containing technical descriptions and details. Browse and download our literature to learn more about Avient solutions and services.

To access PolyOne’s news library online, please go to www.avient.com/news. Avient To Hold First Quarter 2025 Conference Call... Avient Announces Quarterly Dividend...

To access PolyOne’s news library online, please go to www.avient.com/news. Avient To Hold First Quarter 2025 Conference Call... Avient Announces Quarterly Dividend...

Certificate Number: 13132875 Certified Since: November 19, 2019 * Certificate Approval Date (Date Granted, Reduced, Extended, or Renewed): October 12, 2022 Current Certification Cycle Start Date: November 19, 2022 Current Certification Cycle Expiration Date: November 18, 2025 Rev: B This certification is subject to the organization maintaining its management system to the requirements of ISO 9001:2015 as well as the requirements of Platinum Registration, Inc. This certificate is the property of Platinum Registration, Inc. and must be returned upon request. To verify this certificate please call 303-639-9001 *Transferred to Platinum Registration, Inc. on November 1, 2019.

Color and special effect masterbatches pre-tested to ISO, US Pharmacopeia, European Pharmacopeia, and ICH Q3D protocols for identification and differentiation Color and additive solutions based on biopolymers pre-tested to ISO, US Pharmacopeia, European Pharmacopeia, and ICHQ3D protocols to reduce product carbon footprint Flexible, durable, and colorable TPEs for improved grips and gaskets that comply with USP Class VI and ISO 10993

Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. This is to certify that the Quality Management System of: Avient Corporation Avient Corporation - Glendale, AZ 7601 North Glen Harbor Blvd. ISO 13485:2016 The Quality Management System is applicable to: Certificate No: 65567 Effective Date: 08 September 2023 Expiration Date: 07 September 2026 Revision Date: 08 September 2023 Dominic Townsend, President This certificate may be found on the ABS QE Website (www.abs-qe.com).

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. Trace McInturff, Vice President, Accreditation Services For the Accreditation Council Certificate Number 0962.01 Valid to September 30, 2025

Avient’s range of medical-grade polymers, colorants, and additives can enhance the safety and effectiveness of these devices while helping manufacturers mitigate risks when bringing products to market. Custom formulations can meet specific opacities, sealing requirements, impact performance, and align with ISO 6009 color standards. Custom formulations can meet specific opacities, sealing requirements, impact performance, and align with ISO 6009 color standards.

Occupational Health & Safety Management System Certificate of Approval This is to certify that the OHSMS of Avient Saudi Industries Co. Limited PO Box 2137, Jeddah 22758, Saudi Arabia Has been assessed and found to meet the requirements of ISO 45001:2018 This certificate is valid for the following scope of operations: Production and Supply of Color and Additive Master Batches Authorised by: Stan Wright Director Date of Certificate Issue: 30 December 2021 Certificate Valid Until: 29 December 2024 Recertification audit before 30 November 2024. This certificate is the property of DAS Certification Ltd and remains valid subject to satisfactory annual Surveillance audits.

Certificate No: 65536 Certification structure: MULTI-SITEMULTI-SITE Certification Date: 29 SEP 2023 Effective Date: 27 FEB 2025 Expiration Date: 27 SEP 2026 Revision Date: 05 MAR 2025 Dominic Townsend, PresidentDominic Townsend, President Copyright as of the Effective Date, ABS Quality Evaluations, Inc. Page 1 of 5 https://abs.zertic.com https://abs.zertic.com RC14001®:2023RC14001®:2023 Certificate Of ConformanceCertificate Of Conformance ANNEXANNEX Certificate No: 65536 Avient CorporationAvient Corporation At the below facilities FACILITY NAMEFACILITY NAME FACILITY ACTIVITYFACILITY ACTIVITY ADDRESSADDRESS Avient Corporation Avon Lake Corporate Responsible Care Corporate Support Activities in Sr. Toluca 2000 Toluca Estado de México 50200 Mexico RC14001®:2023RC14001®:2023 Certificate Of ConformanceCertificate Of Conformance ANNEXANNEX Certificate No: 65536 Avient CorporationAvient Corporation At the below facilities FACILITY NAMEFACILITY NAME FACILITY ACTIVITYFACILITY ACTIVITY ADDRESSADDRESS Copyright as of the Effective Date, ABS Quality Evaluations, Inc.