Distribution) – 9/27/2022 December 9, 2021 Avient Q4 2020 Earnings - February 9, 2021 

Distribution) – 9/27/2022 December 9, 2021 Avient Q4 2020 Earnings - February 9, 2021 

Sincerely, Brett Warland Director of Process Improvement PolyOne Corporate PolyOne Quality Survey Standard Response 2015 12 09 Source: Corporate Quality Page: 2 of 14 Table of Contents 1.0 POLYONE CORPORATE: OVERVIEW ................................................................................................................................... 3 2.0 MANAGEMENT SYSTEM REGISTRATIONS .......................................................................................................................... 3 3.0 AUDIT ................................................................................................................................................................................ 3 4.0 MANAGEMENT RESPONSIBILITY ........................................................................................................................................ 4 5.0 QUALITY OVERVIEW .......................................................................................................................................................... 5 5.1 QUALITY MANAGEMENT SYSTEM ................................................................................................................................................. 7 5.2 SUPPLIER MANAGEMENT ............................................................................................................................................................ 7 5.3 DELIVERY ................................................................................................................................................................................. 8 5.4 SYSTEMS, POLICIES, AND PRACTICES .............................................................................................................................................. 9 5.5 RESPONSIVENESS ....................................................................................................................................................................... 9 5.6 TECHNOLOGY.......................................................................................................................................................................... 10 6.0 INFORMATION TECHNOLOGY DISASTER RECOVERY PRACTICES....................................................................................... 11 7.0 ENVIRONMENTAL MANAGEMENT SYSTEM / ISO 14001 .................................................................................................. 14 8.0 CREDIT REFERENCES ........................................................................................................................................................ 14 9.0 SUSTAINABILITY AND NO SURPRISES PLEDGE .................................................................................................................. 14 PolyOne Quality Survey Standard Response 2015 12 09 Source: Corporate Quality Page: 3 of 14 1.0 PolyOne Corporate: Overview • To view the PolyOne Executive Leadership Team and the PolyOne Business Leadership, please visit the following URL: http://www.polyone.com/company/about-us/company-officers Corporate Department of Continuous Improvement (Quality Department) Brett Warland Director of Process Improvement 440-930-3318 Jake Kucbel Corporate Quality Engineer 440-930-1557 SIC / NAICS Codes and Descriptions for PolyOne Businesses 3087 325991 Customer compounding of purchased resins 2821 325211 Plastic material and resin manufacturing 2851 325510 Paint and coating manufacturing (Specialty Coatings) 5162 422610 Plastic materials wholesalers (POD) 326199 Composites (Glasforms) DUNS# 84-508-2861 PolyOne Corporate at PolyOne Center Federal ID# 34-1730488 • Company Longevity: As PolyOne, since 9/1/2000. PolyOne Quality Survey Standard Response 2015 12 09 Source: Corporate Quality Page: 6 of 14 9. PolyOne Quality Survey Standard Response 2015 12 09 Source: Corporate Quality Page: 9 of 14 5.4 Systems, Policies, and Practices 1.

The company will host a conference call at 9:00 a.m. Teleconference: May 1, 2015 at 9:00 a.m.

9:00 a.m. April 26, 2016 at 9:00 a.m.

February 9, 2021 Avient to Hold Webcast on February 9, 2021 to Review Fourth Quarter 2020 Results and 2021 Outlook

CLEVELAND, Jan. 9, 2018 /PRNewswire/ -- PolyOne Corporation (NYSE: POL) a premier provider of specialized polymer materials, services and solutions, January 9, 2018

March 9, 2016 March 9, 2016

January 9, 2017 January 9, 2017