& Canada 64% 36% Specialty Engineered Materials Color Additives and Inks 40% 37% 18% 9% 4% 4% Building & Energy Telecom 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6.5% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. WHAT WE DO: WE ARE A FORMULATOR 6 CUSTOM FORMULATION JU LY 27 , 2023 W EB CAS T P RE SE N TATI O N COMPOSITES PORTFOLIO D Y N E E M A ® E X P A N D S O U R E N G I N E E R E D F I B E R S A N D P A N E L S T E C H N O L O G Y LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 8 DEFENSE TELECOMMUNICATIONS ENERGY TRANSPORTATION Military • Law Enforcement First Responders Body Armor • Helmets Vehicle Protection Sustainable Infrastructure Offshore Wind Electrical Grid Protection EV Battery Components Commercial Laminates Body & Trim • Air Cargo and Railroad Car Panels 5G Applications Fiber Optic Cables Satellite Communications Connectors and Components 9 COMPOSITES SERVE DIVERSIFIED END MARKETS INDUSTRIAL Lifting Slings • Aquaculture High Pressure Pipe Conveyer Springs Q 2 P ER FO RM A N CE Q2 2023 PERFORMANCE VS. GUIDANCE 12 15.4% 15.9% Adjusted EBITDA Margin % Better-than-expected margins driven by: • Favorable mix - strong demand for composite applications • Raw material deflation Q2 EBITDA BRIDGE 13 ($ millions) CAI: Price / Mix 7) Deflation 11) SEM: Price / Mix 2) Deflation 6) Net Price Benefit 26) Wage and Energy Inflation (10) Cost Reductions 13) FX (2) Q2 2023 Actual $131) Adjusted EBITDA Q2 2022 Pro Forma $ 172) Demand (68) • Demand conditions vs. expectations: LATAM • Net price benefit remains greater than wage and energy inflation • Clariant synergies and reduced administrative costs Q2 2023 SEQUENTIAL SALES BY REGION Q 2 2 0 2 3 v s .

Compared to traditional pole materials, fiber reinforced polymer (FRP) composites are more durable, require less maintenance, and provide a longer service life. Our pultruded composite materials are proudly made in the USA in Birmingham, Alabama. FRP data are from tests--nominal fiber stress is at 5% LEL; modulus of elasticity is at mean.

Available in North America, injection-moldable reSound™ REC TPEs utilize 9-83% recycled content, and both grades can be overmolded onto polypropylene (PP). FDA); oil; or polyvinyl butyral (PVB) from windshields and laminated building glass supplied by Shark Solutions.

Available in North America, injection-moldable reSound™ REC TPEs utilize 9-83% recycled content, and both grades can be overmolded onto polypropylene (PP). FDA); oil; or polyvinyl butyral (PVB) from windshields and laminated building glass supplied by Shark Solutions.

Fiber Colorants and Additives Overview MagIQ Fiber Colorant and Additive Technology MagIQ fiber colorant and additive technology for the mass dyeing and functional modification of synthetic fibers

Cesa™ Low Retention Additives: designed for use with polypropylene and polyethylene in a wide range of applications. Also, the glass-filled polyketone (PK) formulations provide comparable performance to nylon equivalents with the added benefit of a lower carbon footprint for a more sustainable option. Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility    

Cesa™ Low Retention Additives are designed for use with polypropylene and polyethylene in a wide range of applications. In addition, the polyketone-based glass-filled formulations offer comparable performance to nylon, plus the benefit of enabling a lower carbon footprint for a more eco-conscious alternative. Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

NYMAX™ POLYMER FORMULATIONS PRIME & RECYCLED NYLON THERMOPLASTICS PROCESSING GUIDE 2 Nymax Polymer Formulations Nymax™ and Nymax™ REC Formulations Nymax™ thermoplastics include prime and recycled nylon formulations in both unfilled grades and with various levels of glass fiber and mineral reinforcements. Injection Molding Parameters Base Resin PA6 PA6 IM/ST PA6 GF PA6 GMF PA66 IM/ST PA66 GF Barrel Temperatures °F (°C) Rear Zone 450–490 (232–254) 440–490 (226–254) 490–510 (254–265) 480–500 (249–260) Center Zone 460–500 (238–260) 450–500 (232–260) 500–520 (260–271) 490–510 (254–265) 520–540 (271–282) Front Zone 470–510 460–510 (237–265) 500–520 (260–271) Nozzle 480–520 (249–271) 470–510 515–530 (268–276) 530–560 (276–293) 540–560 (282–293) Melt Temperature °F (°C) 480–520 (249–271) 470–510 515–530 (268–276) 540–560 (282–293) Mold Temperature °F (°C) 120–180 (49–82) 120–180 (49–82) 120–200 (49–93) 120–200 (49–93) 140–220 (60–104) 140–220 (60–104) Pack and Hold Pressure 50–80% of Injection Pressure Injection Velocity 1.0–4.0 in/sec Back Pressure 25–100 psi Screw Speed 35–80 rpm Drying Parameters 4 hours @ 180°F (82°C) Moisture Allowable 0.1–0.2% Cushion 0.250 in Screw Compression Ratio 2.0:1–2.5:1 Nozzle Type Reverse Taper Clamp Pressure 3–5 tons/in2 Processing Guide 3 Start Up & Shut Down Recommendations Purge Compound Polypropylene Recycling Recycling prime grades up to 20% is permissible and recycling PIR or PCR grades up to 10% is permissible. Degraded/ overheated material • Decrease melt temperature • Decrease back pressure • Use smaller barrel • Decrease injection speed Gate location and/or size • Relocate gate to nonstress area • Increase gate size to allow higher flow rate and lower molded in stress Fibers/Minerals on Surface or Uneven Surface Appearance Melt temperature too low • Increase injection speed Insufficient packing • Increase hold pressure and time Processing Guide 5 Sink Marks Part geometry too thick • Reduce wall thickness • Reduce rib thickness Melt too hot • Decrease nozzle and barrel temperatures Insufficient material volume • Increase packing pressure • Increase gate size Flash Injection pressure too high • Decrease injection pressure • Increase clamp pressure • Increase transfer position Excess material volume • Adjust transfer position • Decrease pack pressure • Decrease shot size Melt and/or mold too hot • Decrease screw speed Loose clamp • Reset mold height • Increase clamp tonnage Shrink Too much shrink Too little shrink • Decrease cooling time 6 Nymax Polymer Formulations Burning Process related Mold design • Clean, widen and increase number of vents • Increase gate size to reduce shear Wet material • Check moisture.

Advanced Composites Long Fiber Technology Advanced Composites

Fiber-Line™ Braiding Process PRODUCT BULLETIN Multiple synthetic fibers are interlocked to form a braid that meets custom specifications. Fiber-Line product experts can help choose the appropriate combination of fibers, coatings, and braiding to meet specific needs. KEY FEATURES OF FIBER-LINE™ BRAIDING • Customized to meet size or strength requirements • Able to achieve any construction needed with the use of toll braiders • Flat or round profiles • Cored braids for added strength & flexibility • Metered lengths tailored for your application FIBER-LINE FIBERS SUITABLE FOR BRAIDING • Para-Aramid • Meta-Aramid • Liquid Crystal Polymer (LCP) • Zylon® PBO Fiber • Carbon Fiber • Dyneema® Ultra-High Molecular Weight Polyethylene (UHMWPE) • PET Polyester Fiber FIBER-LINE PERFORMANCE-ADDITIVE COATINGS • Abrasion resistance coating • UV protection coating • Color identification coating FIBER-LINE BRAIDED PRODUCTS AND POSSIBILITIES • High-strength lacing cords • Robotic actuating wire • Strength members • Auto glass cutout cords • Parachute cords • Tethers • Wire-rope replacement Copyright © 2023, Avient Corporation.