S E C O N D Q U A R T E R 2 0 2 2 R E S U L T S $122 $134 2021 2022 $0.87 $0.98 2021 2022 Q2 2022 PERFORMANCE ( T O TA L C O M PA N Y ) 4 Sales Adjusted Operating Income $1,235 $1,302 2021 2022 + 5% Adjusted EPS + 10% + 13% (in millions) (in millions) (+ 10% excluding FX) (+ 16% excluding FX) (+ 20% excluding FX) Q2 2022 SEGMENT PERFORMANCE 5 CAI $624 $649 Sales ($ in millions) SEM Distribution $86 $94 Operating Income + 4% + 9% $404 $443 Sales $24 $27 Operating Income + 10% + 13% (1) $241 $244 Sales $37 $37 Operating Income + 1% Flat (+ 10% excluding FX) (+ 16% excluding FX) (+ 6% excluding FX) (+ 3% excluding FX) Q2 2021 $1,235 $122 Sustainable Solutions 17 7% 7 Healthcare 23 14% 5 Composites (ex Outdoor High Performance) 10 20% 4 Growth in Asia / LATAM 5 3% 1 Other 69 11% 5 Sub-total $1,359 10% $144 Outdoor High Performance Impact (9) (5) Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (48) (7) Q2 2022 $1,302 5% $134 Q2 2022 SALES AND OPERATING INCOME ( T O TA L C O M PA N Y ) 6 Sales Growth Rate Adjusted Operating Income$ millions Adjusted EBITDA Q2 EBITDA BRIDGE 7 Price increases more than offsets raw material and supply chain impacts Q2 2021 $ 159 Demand (29) $ millions CAI: Price / Mix 87 Inflation (58) SEM: Price / Mix 36 Inflation (24) Distribution: Price / Mix 45 Inflation (41) Net Price Benefit 45 Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (7) Q2 2022 $ 170   China Lockdowns / Russia Impact $ (14) Outdoor High Performance (5) Transportation (5)  8 Q2 '21 Adjusted EPS 0.87$ Color, Additives and Inks 0.11 Specialty Engineered Materials 0.01 Distribution 0.03 Corporate Costs 0.01 F/X (0.05) Segment OI 0.11$ Interest Expense 0.03 Tax Rate (0.03) Q2 '22 Adjusted EPS 0.98$ Q2 EPS BRIDGE Key Updates • Provided progress on 2030 Sustainability Goals • Emphasized commitment to U.N. Global Compact & fulfilled Communication of Progress (COP) requirements • New Sustainability Strategy overview page including our 2022 AIP ESG metrics • New ESG Performance page with ESG ratings, awards, and certifications • Increased disclosures on carbon emissions, including disclosure of Climate Change Scenario Analysis • Added new Product Stewardship and Chemical Management policies • Enhanced data reporting for Workforce Demographics • Improved social disclosures on human rights, dependent care and special leave and strategic training management 20 21 SUSTAI NA BILI TY REPORT Launching integrated sustainability website in parallel with report Aligned with leading reporting frameworks 9 ESG PER FORMANCE & A WAR DS 10 84th ENVIRONMENTAL SOCIAL GOVERNANCE 2 1 3 (as of 6/30/22) 2 0 2 2 O U T L O O K $429 $490 2021 2022E $3.05 $3.50 2021 2022E FY 2022 GUIDANCE ( T O TA L C O M PA N Y: C U R R E N T P O R T F O L I O ) 12 Sales Adjusted Operating Income $4,819 $5,100 2021 2022E + 6% Adjusted EPS + 14% + 15% (in millions) (in millions) (+ 9% excluding FX) (+ 18% excluding FX) (+ 20% excluding FX) 13 CA SH FLOW / LEV ER AGE ($ millions) 2022E Cash Flow from Operating Activities 400$ Less: Run-Rate CapEx (90) CapEx for Clariant Integration (10) CapEx for IT System Upgrade (15) Total CapEx (115) Free Cash Flow 285$ Adjusted EBITDA 635$ Net Debt / Adjusted EBITDA 1.6x 14 DYNEEMA / DI STRIBUTION UPDATES • Strong performance so far in 2022 in-line with our modeling • Acquisition to be finalized as early as September 1, pending standard regulatory process and closing conditions • Encouraging interest thus far from potential buyers for world-class business with a strong track record • Second round bids due in August DISTRIBUTION 15 PRO F OR MA MODELI NG UPDATE 2022E ($M) Revenue 5,100$ 415$ 5,515$ (1,635)$ 3,880$ Adjusted EBITDA 635 130 765 (109) 656 EBITDA % 12% 31% 14% 7% 17% Adj. D I S T R I B U T I O N ) 18 END-MARKET F OCUS F OR NEW I NNOVATION Semiconductors Robotics Healthcare Interconnected disruptive markets with massive innovation needs 19 APPENDIX Performance Additives 15% Pigments 13% TiO2 11% Dyestuffs 3%Polyethylene 12% Nylon 6% Polypropylene 5% Other Raw Materials 30% Styrenic Block Copolymer 5% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 22 • Significant raw material price inflation and tight inventory continued in Q2 2022, although at a slightly lesser rate compared to the prior quarter o For Q2 2022, the average cost of key hydrocarbon based materials was up 15%, roughly the same as the average cost of non- hydrocarbon based materials

as consumers remain cautious with continued inflation and rising interest rates," Effect of exchange rate changes on cash Need help?

Buyer shall be obliged to accept the Products and pay the rate specified in the order confirmation for the quantity of Products delivered by Seller. Re-Sale and Re-Export; Compliance with Laws. Seller prohibits re-sale of Product unless expressly permitted by Seller in writing.

Our global team is here to accelerate development and part approvals, supporting you with: • Materials that meet over 500 automotive polymer OEM specifications • More than 14,000 color and additive approvals for OEM specifications, including more than 2,000 UL94-registered concentrates and pre-colors • Advanced design and color expertise PORTFOLIO HIGHLIGHTS Specialized polymers and composites • Thermoplastic Elastomers • Recycled and Bio-based Thermoplastic Elastomers • Long Fiber Reinforced Formulations • Thermally Conductive Formulations • Static Dissipative, Electrically Conductive, and EMI/RFI Shielding Formulations • Pre-Colored Thermoplastics for Premium Finishes • Engineered Polymer Formulations • Continuous Fiber Tapes & Laminates Colorants, additives, and plastisols • Solid & Liquid Colorants (special effects & bio-based) • Colorant and Additive Concentrates • Functional and Performance Additives (UV, FR, antimicrobial, and more) • Liquid Additives • Chemical Foaming and Nucleating Agents • High-Temperature Concentrates • Silicone Dispersions • Vinyl Powders and Plastisols Design & Color Services • Avient Design • ColorWorks™ Design & Technology Centers UNDERHOOD Air Management Fuel Systems Filters/Cleaners Engines/Power train Fans & Shrouds Engine & Cam Covers Fluid Reservoirs Sealing Systems Wire & Cable and Connectors Battery Systems & Supports EV Battery Systems Sensors/Controls/Actuators Turbo/Super Chargers Control Modules/Valves Gears & Hoses HVAC Systems Electrical Control Units EXTERIOR Move over metal... our material and colorant solutions enable you to replace metal and paint while improving miles per gallon or per charge.

dollar, persistent macro inflation and a higher for longer interest rate environment. Effect of exchange rate changes on cash Need help?

The current macro environment presents several uncertainties related to policy, inflation, foreign exchange and interest rates which provides for a broader set of potential outcomes for the year," Effect of exchange rate changes on cash Need help?

FEATURE BENEFIT • Liquid technology • More accurate dose control • Less variation in melt flow and product IV • Can be coupled to an on-line rheometer • Shorter transition times • Does not require pre-drying • Less dust • Higher IV in melt phase • Improved uniformity when replacing virgin PET in PCR sheet • Eliminate/reduce solid phase polymerization (rPET) • Increased use of post consumer flake or re-grind (Sheet) • Reduced brittleness, less breakages and scrap • More consistent melt flow IMPACT • Reduced cost • Higher productivity • Cleaner working environment PROCESS HIGHLIGHTS IMPACT • Higher productivity • Reduced cost • Cleaner working environment • New product designs and applications • Improved shelf appeal PET SHEET PROCESS BENEFITS • Increases final IV • Less variation in product IV • More consistent melt flow • Increased use of flake or regrind • Shorter transition times • Reduced scrap • Reduced dust PRODUCT BENEFITS • Improved impact strength • Improved low temperature performance • Reduced brittleness • Improved aesthetics Information and photographs supplied by Sunwell Global Ltd IMPACT • Higher productivity • Reduced cost • Improved sustainability IMPACT • Lighter weight, higher strength • Reduced cost • Properties comparable to PS packaging • Recyclable PET MONO/MULTI LAYERED SHEET XPET FOAM SHEET ROUND DIE PROCESS BENEFITS • Improved melt flow consistency • Improved IV consistency • Increased recycle content • Reduced rejects and scrap PRODUCT BENEFITS • Increased product strength • Improved low temperature performance • Reduced brittleness PROCESS BENEFITS • Increase final IV • Increased use of regrind • Impossible to start up without it • Faster product changeover • Easier to cut PRODUCT BENEFITS • Increased strength • Lighter weight • Good sealing ColorMatrix™ rePrize is a PET compatible formulated liquid dispersion, designed to increase the polymer chain length via reactive extrusion.

con sede legale in 19 Route de Bastogne, L9638 Pommerloch, Gran Ducato del Lussemburgo ed iscritta presso il Registro delle Società e del Commercio del Lussemburgo con il numero B226205 (la “Società”) e con sede secondaria italiana in Via Padre Lega n. 56, 21013 Gallarate (VA), iscritta al Re- gistro delle Imprese di Varese con il numero e codice fiscale 03669670121, REA n.

PLANET The need to take care of our precious planet has never been more important. Director since: 2017 Age: 64 Current Public Company Directorships: • Eastman Chemical Company • Air Liquide S.A. Khandpur whose eligibility was pro-rated to reflect his partial year of service.

All vents need to be vented to atmosphere PROBLEM CAUSE SOLUTION Incomplete Fill Melt and/or mold temperature too cold Mold design Shot Size • Increase nozzle and barrel temperatures • Increase mold temperature • Increase injection speed • Increase pack and hold pressure • Increase nozzle tip diameter • Check thermocouples and heater bands • Enlarge or widen vents and increase number of vents • Check that vents are unplugged • Check that gates are unplugged • Enlarge gates and/or runners • Perform short shots to determine fill pattern and verify proper vent location • Increase wall thickness to move gas trap to parting line • Increase shot size • Increase cushion Brittleness Melt temperature too low Degraded/Overheated material Gate location and/or size • Increase melt temperature • Increase injection speed • Measure melt temperature with pyrometer • Decrease melt temperature • Decrease back pressure • Use smaller barrel/excessive residence time • Relocate gate to nonstress area • Increase gate size to allow higher flow speed and lower molded-in stress Fibers on Surface (Splay) Melt temperature too low Insufficient packing • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase pack and hold pressure, and time • Increase shot size • Increase gate size Sink Marks Part geometry too thick Melt temperature too hot Insufficient material volume • Reduce wall thickness • Reduce rib thickness • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase shot size • Increase injection rate • Increase packing pressure • Increase gate size Flash Injection pressure too high Excess material volume Melt and/or mold temperature too hot • Decrease injection pressure • Increase clamp pressure • Decrease injection speed • Increase transfer position • Decrease pack pressure • Decrease shot size • Decrease injection speed • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease screw speed TROUBLESHOOTING RECOMMENDATIONS PROBLEM CAUSE SOLUTION Excessive Shrink Too much orientation • Increase packing time and pressure • Increase hold pressure • Decrease melt temperature • Decrease mold temperature • Decrease injection speed • Decrease screw rpm • Increase venting • Increase cooling time Not Enough Shrink Too little orientation • Decrease packing pressure and time • Decrease hold pressure • Increase melt temperature • Increase mold temperature • Increase injection speed • Increase screw rpm • Decrease cooling time Burning Melt and/or mold temperature too hot Mold design Moisture • Decrease nozzle and barrel temperatures • Decrease mold temperature • Decrease injection speed • Clean, widen and increase number of vents • Increase gate size or number of gates • Verify material is dried at proper conditions Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature • Decrease back pressure • Increase screw decompression • Verify material has been dried at proper conditions Weld Lines Melt front temperatures too low Mold design • Increase pack and hold pressure • Increase melt temperature • Increase vent width and locations • Increase injection speed • Increase mold temperature • Decrease injection speed • Increase gate size • Perform short shots to determine fill pattern and verify proper vent location • Add vents and/or false ejector pin • Move gate location Warp Excessive orientation Mold design • Increase cooling time • Increase melt temperature • Decrease injection pressure and injection speed • Increase number of gates Sticking in Mold Cavities are overpacked Mold design Part is too hot • Decrease injection speed and pressure • Decrease pack and hold pressure • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase cooling time • Increase draft angle • Decrease nozzle and barrel temperatures • Decrease mold temperature • Increase cooling time TROUBLESHOOTING RECOMMENDATIONS www.avient.com Copyright © 2020, Avient Corporation.