Management believes this provides comparability of the performance of the combined businesses. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. EBITDA and Adjusted EBITDA are non-GAAP financial measures that management uses in evaluating operating performance.

In Europe and the Americas, customers remain cautious and are managing inventory levels tightly while China’s re-opening is progressing at a measured pace,” said Jamie A. Beggs added, “We are focused on executing our long-term strategy while we manage in the downturn. Management excludes intangible asset amortization from adjusted EPS as it believes excluding acquired intangible asset amortization is a useful measure of current period earnings per share.

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

Management believes this provides comparability of the performance of the combined businesses. Senior management also uses operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. EBITDA and Adjusted EBITDA are non-GAAP financial measures that management uses in evaluating operating performance.

Giles Branthwaite, Strategic Project Manager, PolyOne ColorMatrix: “Accelerating Color Development and Supply With an Innovative Liquid Color System” Victoria Sayer, Global Regulatory Manager, PolyOne ColorMatrix: “Achieving Global Clearance for New Food Contact Plastic Additives” and “Addressing Exposure and Toxicity in Meeting EU Regulation 10/2011 Requirements” Media contact Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

We’re proud to work with an industry leader like Resia and to bring our thermoplastic composite materials to the modular construction market,” said Mike Mosley, General Manager of Advanced Composites at Avient. Mitch Sklar from Resia and Vincent Armstrong, Business Development Manager at Avient, will present a breakout session, “Applying Automotive Industry Approaches to Commercial Modular Construction,” on Wednesday, April 9, at 11:30 a.m.  About Resia Resia is an award-winning, vertically integrated real estate company that specializes in developing, building, and managing multifamily communities across the United States.

Select the correct colorants to manage warpage and dimensional stability Consider additives that help manage recrystallization and cooling in the tooling  Use additive and process technologies to manage odors

Select the correct colorants to manage warpage and dimensional stability Consider additives that help manage recrystallization and cooling in the tooling  Use additive and process technologies to manage odors