DISCLAIMER Avient Corporation 3 Avient Corporation 4 Welcome Bob Patterson Chairman, President, and Chief Executive Officer INTRODUCTION Sustainability for a Better Tomorrow Jamie Beggs Senior Vice President and Chief Financial Officer Avient Corporation 5 WE ARE A FORMULATOR CUSTOM FORMULATION Avient Corporation 6 Avient Corporation 7 WE ARE INNOVATORS 2,500+ ACTIVE PATENT FILINGS WORLDWIDE 1,100+ RESEARCH AND DEVELOPMENT ASSOCIATES >85% Stage-gate technology projects enable sustainable solutions INDIA INNOVATION CENTER 33% 2022 VITALITY INDEX 140+ MATERIAL SCIENCE PhD ASSOCIATES Avient Corporation 8 3% 3% 5% Avient Specialty Formulators Other Specialty / Chemical Companies CAPEX / Revenue 2023E Global footprint enables greater flexibility to exceed needs of customers and deliver localized technical and formulation expertise 35 9 36 24 Manufacturing Locations by Region WE ARE ASSET LIGHT Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA Avient Corporation 9 Asset-light flexibility enables more nimble manufacturing capabilities and lower overhead Periods of economic weakness have driven higher levels of cash generation due to working capital improvement PROVEN TRACK RECORD OF HIGH FREE CASH FLOW CONVERSION 78% 78% 80% 80% 81% 78% 84% 83% 80% 79% 50% 55% 60% 65% 70% 75% 80% 85% 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023E 0 50 100 150 200 250 300 350 400 Fr ee C as h Fl ow C on ve rs io n Fr ee C as h Fl ow FCF $ AVNT FCF Conversion % S&P FCF Conversion % 2 Recent Divestitures - Combined $1.7B in Proceeds PORTFOLIO EVOLUTION Avient Corporation 10 Combined $3.6B Investment in Acquisitions Since 2016 Color Business Distribution 2016 2022 PORTFOLIO TRANSFORMATION 7% 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d EB IT DA Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications Avient Corporation 11 END MARKET TRANSFORMATION Packaging Consumer Healthcare Defense Avient Corporation 12 10% 19% 8% 23% 4% 7% 7% 2006 2023E Other Industri es 78% Healthcare Consumer Packaging 22% 56% 14% 10% 43% 9% 2006 2023E Reduced Exposure to Cyclical End Markets End Market Diversification Transportation Building & Construction 57% 19% Defense IMPROVING PROFITABILITY AND EXPANDING MARGINS Avient Corporation 13 Adj. White House Administration GOVERNMENT INFLUENCE CREATES OPPORTUNITIES Avient Corporation 32 175 Countries support the UN Plastics Treaty to help manage plastics pollution £210 U.K. tax per tonne on products containing less than 30% recycle content (U.K. Plastic Tax) RECYCLE SOLUTIONS 145 Global regulatory measures addressing collection sorting, extended producer responsibility (EPR), waste recycling, and reuse RECYCLE SOLUTIONS 100% Recyclable or reusable packaging in the E.U. by 2030 (E.U.

news library online, please visit www.polyone.com/news. SEC Filings

To access Avient's news library online, please visit www.avient.com/news SEC Filings

news library online, please visit www.avient.com/news. SEC Filings

news library online, please visit www.avient.com/news. SEC Filings

news library online, please visit www.avient.com/news. SEC Filings

news library online, please visit www.avient.com/news. SEC Filings

Mesa, Comptek, SilCoTec, Gordon Composites and Polystrand, including whether such businesses will be accretive, retain the management teams of acquired businesses, and retain relationships with customers of acquired businesses; disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; the financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability; the speed and extent of an economic recovery, including the recovery of the housing market; our ability to achieve new business gains; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; fluctuations in raw material prices, quality and supply and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; an inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions and employee productivity goals; an inability to raise or sustain prices for products or services; an inability to maintain appropriate relations with unions and employees; our ability to continue to pay cash dividends including at the increasing rate, which will be subject to, among other factors, market conditions, our cash flow and cash requirements and restrictions contained in any of our debt agreements; the amount and timing of repurchases of our common shares, if any; and other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation. SEC Filings

As of suppliers outside QuébecJanuary 1, 2019, certain must register for the QST and collect the tax on certain taxable supplies they make in Québec.

Taxes, Fees, and Duties. Seller's invoices shall include value added tax (“VAT”), which shall be shown on a separate line on the invoice. Buyer shall be liable to Seller for any other taxes or costs of a tax nature incurred by Seller in connection with the manufacture and delivery of the Products unless such costs are included in the selling price of the Products at the time the order is placed. 13.