In particular, these include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, restructuring costs, environmental remediation costs, acquisition-related costs, and other non- routine costs. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 26 Capex / Revenue 2021E (%) AV I E N T I S A SS E T L I G H T Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 2 3 3 4 3 3 4 4 4 5 5 5 5 6 7 8 23 A vi e n t A vi e n t (E xc l.

In particular, these include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, mark-to-market adjustments associated with benefit plans, environmental remediation costs, acquisition-related costs, and other non-routine costs. expectations: US & Canada LATAM EMEA Asia • Net price benefit remains greater than wage and energy inflation • Clariant synergies and reduced administrative costs Q2 2 023 SEQUENTI AL SAL ES BY REGI ON Q 2 2 0 2 3 v s .

In no event shall Seller be liable for any damages and/or costs due to delay in delivery. 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. Except to the extent solely attributable to the gross negligence or willful misconduct of Seller, Buyer will indemnify, defend and hold Seller harmless from all costs, expenses, damages, judgments or other loss, including without limitation costs of investigation, litigation and reasonable attorney’s fees (“Buyer Indemnity Costs”), arising out of Buyer’s selection, use, sale or further processing of the Product or Buyer’s product made therefrom.

In particular, these include statements relating to future actions; prospective changes in raw material costs, product pricing or product demand; future performance; estimated capital expenditures; results of current and anticipated market conditions and market strategies; sales efforts; expenses; the outcome of contingencies such as legal proceedings and environmental liabilities; and financial results. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, mark-to-market adjustments associated with benefit plans, environmental remediation costs, acquisition-related costs, and other non-routine costs. GUIDANCE $800 $754 Guidance Actual $128 $123 Guidance Actual Sales Adjusted EBITDA (in millions) $0.56 $0.57 Guidance Actual Adjusted EPS (in millions) 13 • Demand impacted by destocking and cautious customer sentiment • Positive net price benefit: o CAI - Pricing flat and raw material deflation o SEM - Pricing flat with unfavorable mix related to healthcare, more than offset with raw material deflation • Cost reductions driven by Clariant synergies and reduced administrative costs Q3 EBITDA BRIDGE ($ millions) CAI: Price / Mix -) Deflation 22) SEM: Price / Mix (6) Deflation 13) Net Price Benefit 29) Cost Reductions 13) Wage Inflation (8) FX 1) Q3 2023 Actual $ 123) Adjusted EBITDA Q3 2022 Pro Forma $ 137) Demand (49) 14 2 0 2 3 G U I D A N C E Q4 2023 GUIDANCE VS.

Except to the extent attributable to the Product failing to meet the express warranties set forth in paragraph 1, Buyer will indemnify, defend and hold Seller harmless from all costs, expenses, damages, judgements or other loss, including costs of investigation, litigation and reasonable attorney’s fees, arising out of Buyer’s selection, use, sale and further processing of the Product. 9. In the event of a force majeure, Seller has no obligation to purchase material for resale to Buyer, and no liability for cost to cover incurred by Buyer. 10. Buyer will indemnify, defend and save Seller harmless against any and all liability arising out of or in any way connected with Buyer’s failure to disseminate such information, including without limitation, liability for injury, sickness, death and property damage, and costs of investigation, litigation and reasonable attorney’s fees. 11.

The low usage rate, low minimum order quantities, and pelletized form for easy handling and storage make it a versatile and cost-effective choice. Using Omnicolor can help reduce net working capital by cutting inventory costs. Calculate using Let Down Percentage: Cost/lb of Concentrate x (Let Down Percentage/100) = Coloring Cost Calculate using Let Down Ratio: Cost/lb of Concentrate – Cost/lb of Resin Let Down Ratio +1 = Coloring Cost TWO WAYS TO CALCULATE COLORING COSTS OMNICOLOR™ TROUBLESHOOTING TWO WAYS TO CALCULATE COLORING COSTS SYMPTOM CAUSE REMEDY Color Variation Shot-to-Shot Poor Omnicolor preblending Pigment has insufficient thermal stability More thorough blending Ensure correct machine temperature control Screw Slip Premature melting of Omnicolor Excessive addition rate Reduce heat in feed zone Check addition rate and reduce if necessary Overall Good Distributive Mixing With Streaks or Dots of Another Color Poor pigment dispersion in concentrate Return concentrate for replacement Black Streaks or Splotches Degraded polymer in barrel Clean screw and barrel Poor Distributive Mixing (Streaking) Insufficient plastification See processing instructions Loss of Color Pigment has insufficient thermal stability Change to more heat stable colorant Ensure correct machine temperature control OMNICOLOR™ PROCESSING TEMPERATURES RECOMMENDED MAXIMUM PROCESSING TEMPERATURES FOR OMNICOLOR IN SELECTED POLYMERS IN °C UK COLOR NO.

This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, restructuring costs, environmental remediation costs, acquisition-related costs, and other non-routine costs. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 22 Capex / Revenue 2021E (%) AV I E N T I S A SS E T L I G H T Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 2 3 3 6 2 3 4 4 5 5 5 6 6 6 7 9 25 A vi e n t A vi e n t (E xc l. We will deliver for our stakeholders through multiple value creation levers—many of which are unique to Avient: o Demand for sustainable solutions, healthcare, and composites, together with Clariant Masterbatch revenue synergies, that will drive 2021 revenue growth of 8% and long-term growth in excess of GDP o Clariant Masterbatch cost synergy capture will result in significant near-term benefit In addition, we remain committed to increasing annual dividends in line with earnings growth and opportunistically buying back shares, all while remaining modestly levered.

In no event shall Seller be liable for any damages and/or costs due to delay in delivery. Except to the extent solely attributable to the gross negligence or willful misconduct of Seller, Buyer will indemnify, defend and hold Seller harmless from all costs, expenses, damages, judgments or other loss, including without limitation costs of investigation, litigation and reasonable attorney’s fees (“Buyer Indemnity Costs”), arising out of Buyer’s selection, use, sale or further processing of the Product or Buyer’s product made therefrom. Buyer shall indemnify, defend and save Seller harmless against any and all liability for Buyer Indemnity Costs arising out of or in any way connected with Buyer’s failure to disseminate such information.

In no event shall Seller be liable for any damages and/or costs due to delay in delivery. Except to the extent solely attributable to the gross negligence or willful misconduct of Seller, Buyer will indemnify, defend and hold Seller harmless from all costs, expenses, damages, judgments or other loss, including without limitation costs of investigation, litigation and reasonable attorney’s fees (“Buyer Indemnity Costs”), arising out of Buyer’s selection, use, sale or further processing of the Product or Buyer’s product made therefrom. Buyer shall indemnify, defend and save Seller harmless against any and all liability for Buyer Indemnity Costs arising out of or in any way connected with Buyer’s failure to disseminate such information.

In no event shall Seller be liable for any damages and/or costs due to delay in delivery. Except to the extent solely attributable to the gross negligence or willful misconduct of Seller, Buyer will indemnify, defend and hold Seller harmless from all costs, expenses, damages, judgments or other loss, including without limitation costs of investigation, litigation and reasonable attorney’s fees (“Buyer Indemnity Costs”), arising out of Buyer’s selection, use, sale or further processing of the Product or Buyer’s product made therefrom. Buyer shall indemnify, defend and save Seller harmless against any and all liability for Buyer Indemnity Costs arising out of or in any way connected with Buyer’s failure to disseminate such information.