Recent developments of medium barrier, high barrier and super high barrier TPEs and their applications in food and medical packaging

Key characteristics and suitable applications for these high performance, post-consumer and post-industrial recycled (PCR/PIR) polycarbonate solutions (Chinese language version) Key characteristics and suitable applications for these high performance, post-consumer and post-industrial recycled (PCR/PIR) polycarbonate solutions (English language version)

Minimize signal loss to enable high-speed connectivity with Versaflex™ CE 3140 TPEs with 5G transparency for phone cases and 5G devices (Chinese language version) Achieved miniaturization through customized high dielectric constant (Dk) materials

Minimize signal loss to enable high-speed connectivity with Versaflex™ CE 3140 TPEs with 5G transparency for phone cases and 5G devices (Chinese language version) Achieved miniaturization through customized high dielectric constant (Dk) materials

Recent developments of medium barrier, high barrier and super high barrier TPEs and their applications in food and medical packaging

Overmolding capabilities: High-flow properties of OnFlex S HF TPE allow the gaskets to be overmolded in multicavity tools (up to 12 cavities per tool). By replacing a potentially harmful material, Schneider-Electric improved production efficiencies while solidifying its leadership position as an ethical, eco-friendly producer of high-quality electrical supplies.

Outdoor High Performance) 8 18% 3 Growth in Asia / LATAM 6 3% 2 Other 100 19% 5 Sub-total $1,327 14% $146 Outdoor High Performance Impact (5) (3) Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (28) (5) Q1 2022 $1,294 11% $136 Q1 2022 SALES AND OPERATING INCOME Sales Growth Rate Operating Income$ millions EBITDA Q1 EBITDA BRIDGE 12 Price increases more than offset raw material and supply chain impacts Q1 2021 $ 161 Demand (23) $ millions CAI: Price / Mix 77 Inflation (54) SEM: Price / Mix 41 Inflation (26) Distribution: Price / Mix 84 Inflation (82) Net Price Benefit 40 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (5) Q1 2022 $ 171 China Lockdowns / Russia Impact $ (7) Transportation (7) Outdoor High Performance (3) Q1 EPS BRIDGE 13 Q1 2021 - Adjusted EPS 0.89$ CAI 0.08 Specialty Engineered Materials 0.06 Distribution 0.00 Corporate Costs 0.02 F/X (0.04) Segment OI 0.12 Tax Rate (0.02) Q1 2022 - Adjusted EPS 0.99$ 2022 O U T LO O K REVENUE GROWTH DRIVERS Growth Drivers Long-Term Growth Rate 2022E Growth Rate Sustainable Solutions 8–12% 12% Healthcare 8–10% 10% Composites 10% 5% Asia / LATAM 5% 5% Other (GDP growth) 2–3% 2–3% Avient 6.5% 6% 15 Excluding Outdoor High Performance 20% (8% excl. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA HIGH FREE CASH FLOW CONVERSION Avient reflects 2022 estimated EBITDA of $635M and estimated CAPEX of $90M (excludes IT system upgrade of $15M and synergy capture CAPEX of $10M) Avient PF reflects 2022 modelled EBITDA of $660M and estimated CAPEX of $120M to reflect Dyneema run-rate CAPEX, as well as potential sale of Distribution. Financials are pro forma for the acquisition of Dyneema® and potential divestiture of Distribution Avient Specialty Other Specialty / Chemical Companies 45 Source: Peer data per Bloomberg market data as of April 21, 2022 Total Enterprise Value / NTM EBITDA With the Dyneema and Clariant Color business acquisition and divestment of the PP&S business, along with the proposed sale of our Distribution business, our exposure is now concentrated in less-cyclical and high-growth markets.

Electrically non-conductive

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: our ability to realize anticipated savings and operational benefits from the realignment of assets, including the closure of manufacturing facilities; the timing of closings and shifts of production to new facilities related to asset realignments and any unforeseen loss of customers and/or disruptions of service or quality caused by such closings and/or production shifts; separation and severance amounts that differ from original estimates; amounts for non-cash charges related to asset write-offs and accelerated depreciation realignments of property, plant and equipment, that differ from original estimates; our ability to identify and evaluate acquisition targets and consummate acquisitions; the ability to successfully integrate acquired businesses into our operations, such as 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; 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.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: our ability to realize anticipated savings and operational benefits from the realignment of assets, including the closure of manufacturing facilities; the timing of closings and shifts of production to new facilities related to asset realignments and any unforeseen loss of customers and/or disruptions of service or quality caused by such closings and/or production shifts; separation and severance amounts that differ from original estimates; amounts for non-cash charges related to asset write-offs and accelerated depreciation realignments of property, plant and equipment that differ from original estimates; our ability to identify and evaluate acquisition targets and consummate acquisitions; the ability to successfully integrate acquired businesses into our operations, such as Rutland, 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; 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.