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PolyOne has created the quality survey response below in an effort to communicate proactively with current and potential customers about our commitment to quality and maintaining a sound and diverse quality management system. 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. Refer to PolyOne Internet site – About Us > Locate Us http://www.polyone.com/en- us/Pages/default.aspx Who can answer questions about PolyOne conformance to various “Right-to-Know” legislation (such as California Proposition 65)?

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Understanding how our associates feel about their experiences at Avient and our culture is critical and helps us ensure that the right competencies and behaviors are developed across the organization. This is in addition to the 16 PROXY SUMMARY PROXY STATEMENT 2024 | Annual Meeting of Shareholders 7 hours of paid time off every Avient associate receives each year to volunteer for any non-profit organization they are passionate about and can improve the community. For more information about the 2023 modification of Ms.

Francisco Nakasoto, 1700 Sao Paulo, Brazil Phone: +55 114 591 0100 WHERE TO FIND US Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

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°C TBD FIBERGLASS BARE FIBER PERFORMANCE FIBERGLASS DATA E-Glass S-Glass * Equilibrium moisture regain @ 55% RH ** Creep @ 40%-58% ultimate tensile strength *** Shrinkage in dry air @ 177 C for 30 minutes MOVING HIGH PERFORMANCE FIBERS FORWARD ABOUT FIBER-LINE® For over 25 years, FIBER-LINE® has provided science- driven expertise that improves the performance and the end-use processing of high performance fibers.

NOMEX® META-ARAMID DATA META-ARAMID (HM) BARE FIBER PERFORMANCE * Equilibrium moisture regain @ 55% RH ** Creep @ 40%-58% ultimate tensile strength *** Shrinkage in dry air @ 177 C for 30 minutes MOVING HIGH PERFORMANCE FIBERS FORWARD ABOUT FIBER-LINE® LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

POLYBENZYLOATE (PBO) DATA POLYBENZYLOATE (PBO) BARE FIBER PERFORMANCE * Equilibrium moisture regain @ 55% RH ** Creep @ 40%-58% ultimate tensile strength *** Shrinkage in dry air @ 177 C for 30 minutes MOVING HIGH PERFORMANCE FIBERS FORWARD ABOUT FIBER-LINE® LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

PET POLYESTER DATA PET POLYESTER BARE FIBER PERFORMANCE * Equilibrium moisture regain @ 55% RH ** Creep @ 40%-58% ultimate tensile strength *** Shrinkage in dry air @ 177 C for 30 minutes MOVING HIGH PERFORMANCE FIBERS FORWARD ABOUT FIBER-LINE® LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.