PERSONAL WATERCRAFT OEM S T E E R I N G C O L U M N • Similar strength performance to existing aluminum assembly • Withstand outdoor UV exposure • Weight reduction for improved performance • Corrosion and moisture resistance • Premium aesthetic • Provided a material that met application load requirements and allowed for part consolidation • Delivered confidence in changing material through design consultation, robust Mold Flow simulation support, and UV customization • Incorporated carbon fiber to support a marketing story Complēt™ Hybrid Moisture Resistant Composite KEY REQUIREMENTS WHY AVIENT?

GARAGE DOOR OEM G A R A G E D O O R P A N E L S • Replace incumbent material with structural composite panel meeting UV and thermal requirements • Lightweight & impact resistant • Ability to withstand weather conditions • Simplify the manufacturing process • Custom-formulated panels with UV stable laminates and core that met thermal requirements • Provided panels with high durability, impact resistance, and weatherability • Improved the efficiency of the manufacturing process for OEM with panels cut-to-size in-house Polystrand™ Thermoplastic Composite Panels KEY REQUIREMENTS WHY AVIENT?

LIGHTING MANUFACTURER S T R E E T L I G H T A R M • Limit corrosion • Replace metal insert, maintaining strength • Black color • UV resistance, as used for an outdoor application • Electrical isolation • Utilized simulation services from Avient Design to optimize the product’s design for performance and processability • Achieved required ageing test with the support from R&D and ADTS • Replaced the need to use a metal insert, reducing part weight, cost and simplifying the production process OnForce Long Glass Fiber Reinforced Polypropylene Composites KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION STRENGTH + UV RESISTANCE LEARN MORE © 2024 Avient Corporation, All Rights Reserved https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/onforce-long-glass-fiber-reinforced-polypropylene-composites Lighting manufacturer

CONFIDENCE IN COLOR SOLUTIONS With over 100 years’ experience in color design and pigment selection, our technical experts understand materials, applications and processes. Additive technologies include: • Heat stabilizers • Acid acceptors • Mold release agents • Phosphorescent • Flame retardant • Tensile modifiers • Antioxidants • Peroxides • Viscosity modifiers • Electrically conductive systems • Thermally conductive systems • Radio-opacity • Self-bond TYPICAL USES Silicone dispersions are used in a wide range of applications: • Automotive – spark plug boots, ignition cables, gaskets/seals, O-rings, overmolded parts • Rollers – industrial, copiers • Fabric Coating – welding curtains, air bags, belts • Cookware – bakeware, spatulas, gloves • Consumer Goods – goggles, glasses, cell phone covers, grips • Healthcare – sterilization pads, catheters, grips, tubing, grommets, prosthesis • Military and Aerospace – gas masks, clip straps, jet starter hose • Wire & Cable/Power Transmission – jackets, sleeves, insulators • Infant Care – nipples/pacifiers, toys • Extrusion – architectural, O-ring cords, gaskets, spacers, profiles Manufacturing locations: Massillon, OH, USA LaPorte, IN, USA Eindhoven, Netherlands Learn more about our silicone dispersions at 1.844.4AVIENT (1.844.428.4368) or visit www.avient.com. www.avient.com Copyright © 2020, Avient Corporation.

Continue fostering our Great Place to Work® culture Strategic ObjectivesStrategic Objectives Long Term Growth Rates Growth DriversGrowth Drivers $340 $455 $790 $1,175 2016 2018 2020 2022 $51 $84 $212 $668 2016 2018 2020 2022 $108 $113 $231 $293 2016 2018 2020 2022 $265 $358 $726 $830 2016 2018 2020 2022 8-12% 10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable GrowthProfitable Growth Great Place to WorkGreat Place to Work 5.4% 11.5% 16.2% 2006 2018 2022 EBITDA Margins $0.14 $2.67 $3.04 2006 2018 2022 Adjusted EPS 2022 data is pro forma for acquisition of Avient Protective Materials and Distribution divestiture TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 3 1 5 5 Innovation is the lifeblood of a specialty company. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 37 79 89 83 81 76 73 90 82 77 76 74 70 58 22 A vi en t K W R P P G F U L A V Y R P M F M C C E H X L A S H E C L H U N E M N S C L MULTIPLE EXPANSION Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of May 31, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $36.50. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 38 EV / 2023E EBITDA Historic Multiple 6.5 8.3 9.6 13.2 13.0 12.8 11.3 8.6 17.9 16.8 10.7 8.8 8.8 8.7 7.5 6.9 A vi en t (2 01 1) A vi en t (2 01 8) A vi en t (2 02 3) K W R P P G R P M A V Y F U L E C L H X L F M C S C L C E A S H E M N H U N Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Injection Molding Parameters Base Resin PPA PPS PA 6/6 PA 12 Barrel Temperatures °F (°C)* Rear Zone 550–580 (288–305) 550–580 (288–305) 440–490 (227–254) 440–480 (227–250) Center Zone 560–600 (293–316) 560–615 (293–324) 470–510 (243–266) 460–510 (238–266) Front Zone 580–620 (304–327) 590–630 (310–333) 490–540 (254–282) 480–520 (250–271) Nozzle 575–615 (302 –324) 600–625 (316–330) 520–570 (271–300) 500–530 (260–277) Melt Temperature °F (°C) 575–615 (302–324) 600–625 (316–330) 520–570 (271–300) 500–530 (260–277) Mold Temperature °F (°C) 250–300 (121–150) 250–300 (121–150) 150–200 (66–93) 150–200 (66–93) Pack and Hold Pressure 50–80% of Injection Pressure Injection Velocity 1.0–3.0 in/sec Back Pressure 25–100 psi Screw Speed 25–75 rpm Drying Parameters °F (°C) 6 hours @ 175 (80) 6 hours @ 300 (150) 3 hours @ 180 (82) 3 hours @ 180 (82) Cushion 0.125–0.250 in Screw Compression Ratio 2.5:1–3.5:1 2.0:1–2.5:1 2.5:1–3.5:1 2.5:1–3.5:1 Nozzle Type General Purpose General Purpose Reverse Taper Reverse Taper Clamp Pressure 4–5 tons/in2 of projected area of cavities and runner system * Barrel temperatures should be elevated for compounds designed for electrical insulative properties.

Social • Soutenir les droits fondamentaux de l’homme et ne pas avoir recours au travail forcé, au travail des enfants ou au travail provenant de la traite des êtres humains. • Traiter les employés avec respect et s’abstenir de harceler ou de faire preuve de discrimination à l’égard des personnes en fonction de leur origine ethnique, sexe, orientation sexuelle, identité sexuelle, âge, couleur, religion, origine nationale, handicap, informations génétiques, statut d’ancien combattant protégé ou autres classifications protégées par la loi. • S’approvisionner de façon responsable en tantale, en étain, en tungstène et en or ou leurs dérivés (métaux 3TG). Les produits fournis à Avient ne doivent pas financer, ou soutenir directement ou indirectement des groupes armés en République démocratique du Congo ou dans un pays voisin (les « pays couverts », c’est-à-dire les pays limitrophes), et doivent respecter l’Énoncé de politique sur les minerais de conflit d’Avient concernant les produits fournis à Avient.

Our additive concentrates encompass a wide variety of performance and process enhancing characteristics and are commonly categorized by the function that they perform, such as UV stabilization, antimicrobial, anti-static, blowing or foaming, antioxidant, lubricant, and productivity enhancement. Patterson 42 President and Chief Executive Officer Bradley C. Our additive concentrates encompass a wide variety of performance and process enhancing characteristics and are commonly categorized by the function that they perform, such as UV stabilization, antimicrobial, anti-static, blowing or foaming, antioxidant, lubricant, and productivity enhancement.

ABOVE GROUND SWIMMING POOL C O M P O S I T E S I D E W A L L • Corrosion resistance to withstand salt water pool treatment • UV resistance for durability over years of use • Weight reduction vs. traditional metal to reduce shipping costs and simplify installation • Field tested for 3 years to prove Polystrand solution provides excellent UV, creep, and corrosion resistance • Reduced weight by 50% compared to metal • Rolled product enabled standard shipping vs. coiled steel sidewalls that require LTL delivery Polystrand™ thermoplastic composite laminate (4-ply) with integrated decorative film KEY REQUIREMENTS WHY AVIENT?

Base Resin ABS PA PBT PC PE PEEK PP PPS Barrel Temperatures °F (°C) Rear Zone 400–475 (200–250) 480–540 (248–282) 480–520 (250–270) 480–570 (250–300) 400–445 (200–230) 660–700 (350–475) 400–440 (200–225) 520–600 (270–300) Center Zone 410–480 (205–253) 490–550 (254–287) 485–525 (251–273) 500–580 (260–305) 410–455 (207–237) 670–710 (357–385) 410–450 (205–230) 550–610 (285–310) Front Zone 420–490 (210–257) 500–560 (260–293) 490–530 (254–276) 515–590 (267–310) 420–465 (213–243) 680–720 (363–400) 420–455 (215–235) 570–620 (300–320) Nozzle 425–500 (215–260) 510–570 (265–298) 490–540 (254–282) 530–600 (275–315) 430–475 (220–250) 700–730 (370–395) 430–460 (220–240) 610–620 (320–325) Melt Temperature 425–515 (215–270) 510–570 (265–298) 490–540 (254–282) 530–615 (275–325) 430–495 (220–260) 700–725 (370–385) 430–475 (220–250) 610–635 (320–335) Mold Temperature 140–200 (60–90) 150–300 (65–148) 140–280 (60–137) 160–240 (70–115) 80–140 (25–60) 300–400 (150–200) 80–140 (25–60) 190–300 (90–150) Drying Parameters 190 (90) 2–4 Hours 0.01%–0.15% 180 (82) 4–5 Hours 0.10%–0.20% 275 (135) 3–4 Hours 0.02%–0.04% 250 (125) 3–4 Hours 0.02% 160 (70) 2 Hours 300 (150) 3–4 Hours 0.10% 160 (70) 2 Hours 280 (135) 2–3 Hours 0.01%–0.20% Nozzle Type General Purpose Nylon or Reverse Taper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose Injection Velocity1 2–5 in/sec; 50–127 mm/sec Injection Pressure Medium to high (may range from 1,000–4,000 psi; 7-28 Mpa) Back Pressure 50–100 psi; 0.3–0.7 Mpa Screw Speed 25–75 RPM Cushion 0.125–0.250 in; 3–6 mm Screw Compression Ratio2 2.0:1–2.5:1 Processing Guide 3 Base Resin ABS PA PBT PC PE PEEK PP PPS Barrel Temperatures °F (°C) Rear Zone 400–475 (200–250) 480–540 (248–282) 480–520 (250–270) 480–570 (250–300) 400–445 (200–230) 660–700 (350–475) 400–440 (200–225) 520–600 (270–300) Center Zone 410–480 (205–253) 490–550 (254–287) 485–525 (251–273) 500–580 (260–305) 410–455 (207–237) 670–710 (357–385) 410–450 (205–230) 550–610 (285–310) Front Zone 420–490 (210–257) 500–560 (260–293) 490–530 (254–276) 515–590 (267–310) 420–465 (213–243) 680–720 (363–400) 420–455 (215–235) 570–620 (300–320) Nozzle 425–500 (215–260) 510–570 (265–298) 490–540 (254–282) 530–600 (275–315) 430–475 (220–250) 700–730 (370–395) 430–460 (220–240) 610–620 (320–325) Melt Temperature 425–515 (215–270) 510–570 (265–298) 490–540 (254–282) 530–615 (275–325) 430–495 (220–260) 700–725 (370–385) 430–475 (220–250) 610–635 (320–335) Mold Temperature 140–200 (60–90) 150–300 (65–148) 140–280 (60–137) 160–240 (70–115) 80–140 (25–60) 300–400 (150–200) 80–140 (25–60) 190–300 (90–150) Drying Parameters 190 (90) 2–4 Hours 0.01%–0.15% 180 (82) 4–5 Hours 0.10%–0.20% 275 (135) 3–4 Hours 0.02%–0.04% 250 (125) 3–4 Hours 0.02% 160 (70) 2 Hours 300 (150) 3–4 Hours 0.10% 160 (70) 2 Hours 280 (135) 2–3 Hours 0.01%–0.20% Nozzle Type General Purpose Nylon or Reverse Taper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose Injection Velocity1 2–5 in/sec; 50–127 mm/sec Injection Pressure Medium to high (may range from 1,000–4,000 psi; 7-28 Mpa) Back Pressure 50–100 psi; 0.3–0.7 Mpa Screw Speed 25–75 RPM Cushion 0.125–0.250 in; 3–6 mm Screw Compression Ratio2 2.0:1–2.5:1 Comments 1. Insure proper cushion For questions or issues, please contact Specialty Engineered Materials Technical Support at 1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.