Certificate of Product Liability Insurance Provided upon request, contact your sales representative. Safety Data Sheets For selected products, click here, or contact your sales Technical Data Sheets For selected products, click here, or contact your sales Regulatory Requests and Certificates (FDA certificate, Absence declaration, REACH, SDS) Available upon request, please contact your sales Safety Performance Safety is Avient’s first priority. IT Disaster Recovery Avient has a documented crisis management process.

ECert - 2020-11-17T151438.723.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. ABS Quality Evaluations This is to certify that the Quality Management System of: Avient Corporation 4921 I D A Park Drive Lockport, NY 14094 U.S.A. Activity: Continuous Improvement, Contract Review, Customer Service, Human Resource, Information Technologies, Internal Audit Management, Logistics, Marketing, Product Design, Purchasing, Sales, Supplier Management

ACCREDITED UNIT: DNV Business Assurance USA Inc., 1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com Page 1 of 2 MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 273138-2018-AQ-RGC-IATF IATF Certificate No: 0558323 Valid: 10 December 2024 – 09 December 2027 This is to certify that the management system of Polyone - Shenzhen Co., Ltd. Remote Support Locations included in the certification are as follows: Site Name Site Address RSL Activities Certification Body PolyOne Management (Shanghai) Co., Ltd. 2nd Floor, Building C, No.200, Jinsu Road, Pudong, Shanghai, P.R. China 201206 (USI: PKFHC3) Process Design, Product Design DNV PolyOne-Suzhou, China 77 Shenggang Street SIP, Suzhou, Jiangsu, China 215127 (USI: CF4943) Contract Review, Sales, Supplier Management DNV http://www.dnv.com

Additionally, Avient’s self-assessments, based on ISO 9001/IATF 16949, are requested of suppliers in order to provide insight into the core components of their Quality Management Systems (QMS) and subsequently used as approval criteria for Avient’s most sensitive end applications. Embed sustainable sourcing practices with our suppliers through our third-party risk management (TPRM) program.

The board also believes that good corporate governance is achieved through effective oversight of management and the business affairs of the company. Composition of the Board, director responsibilities, access to management and independent advisors, director compensation, and director orientation and continuing education

At the same time, however, it produces considerable data that must be effectively managed with new time- and cost-efficient tools. Media contact Jennifer Huang  Senior Manager, Marketing Communications Asia  Avient Corporation   +86 21 60284888  jennifer.huang@avient.com

Color and design services: InVisiO℠ services and solutions help brand managers and designers leverage color design to reinforce brand recognition, communicate quality and favorable emotional associations, and increase functionality of their products by making the device easier or more intuitive to use. Media contact Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Cautionary orange is a widely used color as a warning of potential safety hazards and is a preferred choice for automotive manufacturers to distinguish high-voltage power connectors and cables in electric vehicles from other parts,” said Bob Lee, General Manager, Color and Additives Greater China at Avient. Media Contact Jennifer Huang Senior Manager, Marketing Communications Asia +86 21 6028 4888 jennifer.huang@avient.com

Jennifer Huang Senior Manager, Marketing Communications Asia PolyOne Corporation +86 21 60284888 jennifer.huang@avient.com Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440 930 1988 michelle.maniscalco@avient.com

Differentiating with Color: InVisiOSM Color Inspiration 2015, a collection of six insightful color directions for designers, brands and marketing managers, adds dimension to trend indicators by capturing visual effects and textural influences as well. Trade Media Contact Jennifer Huang Marketing Communications Manager, Asia PolyOne Corporation +86 21 50802923 jennifer.huang@avient.com