This includes addressing major world crises and finding one’s happiness.  recounts the search for individual happiness after times of restriction and the reclaiming of one’s life. Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com

Newlin Page 105 Old PolyOne Transformation 60% 80% 100% % o f O p ra ti g I co m * Mix Shift Highlights Specialty Transformation Ahead of Schedule 2015 Target *Operating Income excludes Corporate Charges ** Pro Forma for the acquisition of ColorMatrix and divestiture of SunBelt 2% 34% 42% 50% 65-75% 0% 20% 40% 2005 2008 2011 2011** 2015 % o f O p ra ti g I co m * JV's PP&S Distribution Specialty Specialty OI $5M $46M $89M $117M Target Page 106 Why Invest In PolyOne? Past performance demonstrates that our strategy and execution are working • Megatrends align with our strengths • Innovation and services provide differentiation • Innovation and services provide differentiation and competitive advantage • Strong and proven management team driving growth and performance The New PolyOne: A Specialty Growth Company 2015 Target: $2.50 Adjusted EPS Page 107 Thank You Questions & Answers Page 108

Avient Corporation: Quality Response Formerly PolyOne Corporation North America & ColorMatrix Europe Approved Corporate : Template/Form Document #: DOC-01879 Revision: 8 Document Owners: Brian Hoar Effective Date: May 13, 2022 Title: QF-02 Quality Standard Response Page 2 of 19 Only the electronic version of this document in ETQ is the controlled version of the document. PolyOne was created in 2000 through the consolidation of The Geon Company and M.A. Polyone and Clariant Masterbatch combined in 2020 to form Avient.

© 2018, All Rights Reserved PolyOne Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 It’s time to better your business. To learn more, contact PolyOne at +1.866.POLYONE (+1.866.765.9663) or www.polyone.com THE CHALLENGE Smart Hero, a contract manufacturer headquartered in China, produces a variety of electronic products for OEMs around the globe. The team then turned to PolyOne in Dongguan, China to see if we could offer a solution.

It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. As one, we are better positioned than ever before to lead and to make a positive difference. We are better together through: Keeping Safety First — PolyOne and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people.

It’s in this spirit that we joined legacy PolyOne and the Clariant Color business, two complementary businesses, and formed a new one that we’ve named Avient. As one, we are better positioned than ever before to lead and to make a positive difference. We are better together through: Keeping Safety First — PolyOne and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people.

PolyOne - Bilingual T&Cs - Hungary - 1 - PAI-376902v1 TERMS AND CONDITIONS OF SALE The Terms and Conditions herein apply to the sale of PolyOne products 1. Seller shall replace, free of charge, any Products which do not conform to these specifications in one or several deliveries. All late payments shall bear an annual interest of one month (1) EURIBOR plus 8% accrued on a daily basis, notwithstanding any damages.

It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. As one, we are better positioned than ever before to lead and to make a positive difference. Scope included legacy PolyOne operations.

NOTICE OF 2019 ANNUAL MEETING OF SHAREHOLDERS AND PROXY STATEMENT PolyOne Corporation MESSAGE FROM OUR CEO Your vote is very important. Factor Median Peer Group Comparator 2017 Financials* 2018 PolyOne Results PolyOne Peer Group for 2018 Compensation Decisions Review of 2018 Named Executive Officer Compensation What We Pay and Why: Elements of Compensation 2018 Base Salary 2018 Annual Incentive. Company Contributions to PolyOne Supplemental Retirement Benefit Plan.

From eco-conscious inks to a refreshed look for one of our most iconic, classic brands, the Avient Specialty Inks team is pleased to continue to offer innovative and inspired solutions.” Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com