TYPICAL PANEL JOINT DETAIL 4" minimum seam reinforcement Steel or wood framing High density wallboard or lag screws approx. 18" on-center Reinforce all panel seams with a 4" minimum batten to prevent projectiles from penetrating the seam INSTALLATION INSTRUCTIONS Ballistic resistant panels can be field-fabricated using simple installation methods and common carpentry tools.

, 8155 Cobb Center Drive Kennesaw - GA 30152 United States Avient Corporation - Knowsley, United Kingdom Design and Manufacture of Liquid Colorants and Additives for Plastics, Assembly and Supply of Material Dosing Equipment , Unity Grove Knowsley - Merseyside L349GT United Kingdom Avient Corporation - Kutno, Poland Design and Manufacture of Color and Additive Concentrates and Specialty Compounds ul.

Rehabilitation Equipment IDEA CENTER: Create Safe and Sustainable Packaging

Infrastructure Bill earmarks $65 billion for broadband buildout • US RDOF (Rural Digital Opportunity Fund) to support continued investment in fiber-to-the-home (FTTx) • Rapid data center growth to support exponential data consumption growth Avient Corporation 82 2018 - 2022 2021 - 2024 2022 - 2027 Co-locate radios with 4G towers 5G towers in new locations ( China and Southeast Asia T R A C K R E C O R D O F G R O W T H & E X P A N S I O N Regional headquarters and innovation center established in 2015 Built largest manufacturing site within Avient in 18 months and commissioned in 2021 Expand and increase Healthcare accredited (ISO 13485) sites 2X 18 plants > 2.5X 500 commercial resources > 3X $680M revenue Chuzhou, China Singapore – ISO13485 SiteRegional Innovation Center, Shanghai 91Avient Corporation Metrics represent growth since 2010 India Landscape Avient Corporation 92 Most populous country in the world by 2030 One of the youngest population in the world feeding the talent pool Growing middle class driving the need for better quality goods and services “Made In India” and “Digital India” initiative driving foreign and domestic investments India M O M E N T U M T O E X P A N D 4X 4 plants > 10X 100 commercial resources > 20X $70M revenueVashere Pune Kalol Rania 93Avient Corporation Establishing an Innovation Center to support local technology needs and global R&D efforts Investment in resources, capacity, and capability to support growth and geographic expansion to North and South Vashere Pune Metrics represent growth since 2010 Latin America 94Avient Corporation Latin America Landscape Avient Corporation 95 Region’s economy expected to double by 2030 Top 6 countries contribute 75% of the region’s GDP Mexico remains a manufacturing hub for North America Growing middle class population Latin America L E V E R A G E A N D E X P A N D 2X 9 plants > 5X 200 commercial resources > 20X $400M revenue Investment in capacity, and capability to support domestic growth Grow commercial resources to support geographic expansion Santa Clara, Mexico Toluca, Mexico Cota, Colombia Guatemala, Guatemala Maipu, Chile Lomas, Argentina Itupeva, Brazil Lima, Peru Suzano, Brazil 96Avient Corporation Metrics represent growth since 2010 $191 $680 2010 2021E $3 $70 2010 2021E $16 $400 2010 2021E (Sales in $ millions) Asia (ex. Fiber Technology Barrier Technologies Avient Corporation 107 We are breaking ground on a new innovation center adjacent to our manufacturing facility in Pune • Focused on investments in both R&D resource additions and capital investments • Platform development in new disruptive markets to support core business and strategy ISHA Avient Manufacturing Site, Pune, India India Innovation Center Innovative Sustainable Holistic Accelerator (ISHA) Avient Corporation 108 2021E 2022E 2023E 2024E 2025E $1.1B $1.6B Growth Through Innovation Avient Corporation 109 Total CAI and SEMWorld-Class Vitality Index % of revenue from products launched last five years 12% 35% 2006 2021E Revenue from new products Investor Day 2021 Summary Jamie Beggs Avient Corporation 110 $442 $457 $580 2019PF 2020PF 2021E $1.74 $1.93 $3.00 2019PF 2020PF 2021E Full Year 2019 – 2021 Organic Growth ( T O TA L C O M PA N Y ) Sales Adjusted EBITDA $3,981 $3,783 $4,750 2019PF 2020PF 2021E + 19% Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Color acquisition (1) (1) (in millions) (in millions) (1)(1) + 31% + 72% (1) (1) Avient Corporation 111 2021 Sales Growth Summary Key Growth Drivers Segments (1) Financial information is pro forma to include a full year of Clariant Color business acquisition Sales Growth Rate 2020 Proforma 3,783$ Sustainable Solutions 140 18% Healthcare 150 31% Composites 44 33% Growth in Asia / LATAM 103 21% Other 530 28% 2021 Estimated 4,750$ 26% (1) (1) Sales Growth Rate 2020 Proforma 3,783$ Color, Additives & Inks 330 16% Specialty Engineered Materials 195 28% Distribution 495 45% Corporate & Eliminations (53) 2021 Estimated 4,750$ 26% Avient Corporation 112 Year–to–date EBITDA Bridge 2020 September YTD $ 339 Demand 132 Adjusted EBITDA($ millions) (1) Financial information is pro forma to include a full year of Clariant Color business acquisition (1) CAI: Price / Mix 96 Inflation (74) SEM: Price / Mix 61 Inflation (45) Distribution: Price / Mix 204 Inflation (195) Net Price Benefit 47 Supply Chain Disruptions (38) COVID Response Applications (11) Synergies 34 Incentives, Travel, FX, Other (48) 2021 September YTD $ 455     • Demand driven by growth in sustainable solutions, healthcare and consumer applications • Price increases have more than covered raw material and freight inflation impacts of $300M year- to-date compared to 2020 • Synergy capture on pace to achieve $52M in annual savings in 2021 Avient Corporation 113 2006 2021E $1,110 $3,000 Return on Invested Capital Avient Corporation 114 Invested Capital 2006 Current 11% 8% Cost of Capital 2006 2021E 5% 12% ROIC (after-tax) ($ millions) 0.1 0.1 0.2 0.5 0.6 0.7 0.8 0.9 0.9 1.0 1.0 11 12 13 14 15 16 17 18 19 20 21 44% 98% YTD 5 - YR 10 - YR 0.16 0.20 0.26 0.34 0.42 0.50 0.58 0.72 0.79 0.81 0.85 0.95 11 12 13 14 15 16 17 18 19 20 21 22 2.1x Q4 NET LEVERAGE ~$1Bn REPURCHASED OVER LAST 10 YEARS ~$450MM PAID OVER LAST 11 YEARS Creating Value for Shareholders Avient Corporation 115 Share Performance Dividends Share Repurchases Deleveraging 3.5x 2.1x 2019PF 2021E Growing Dividend Cumulative Buybacks Net Leverage $ B n $ p e r sh a re Total Shareholder Return ~$4.3Bn MARKET CAP INCREASE OVER LAST 10 YEARS (1) Share performance includes reinvested dividends and is as of December 2, 2021 (2) Financial information is pro forma to include a full year of Clariant Color acquisition (1) (2) 528% Shaping a Sustainable Future… Avient Corporation 116 What We Shared Today S US TAINAB LE S OLU TI ONS $340 $930 2016 2021E Brand Owner Commitment 3 2021E 2025E 10 – 50 Percent of recycled plastic used Avient Historic Growth Future Growth Assumptions 13% organic CAGR Net Sales ($ millions) Avient Corporation 117 8-12% CAGR What We Shared Today HE A LT HCARE $225 $685 2010 2021E Megatrend Growth Rate 17,645 29,445 2021E 2025E Avient Historic Growth Future Growth Assumptions 9% organic CAGR Source: BCC Research, Nov. 2020 11% CAGR Market for Medical Plastics (millions of LBs) Figures above include relevant Sustainable Solutions sales Avient Corporation 118 Net Sales ($ millions) 8-10% CAGR What We Shared Today C OMP OSI TE S $74 $260 2017 2021E 11% organic CAGR Figures above include relevant Sustainable Solutions sales Avient Corporation 119 Avient Historic Growth Future Growth Assumptions Net Sales ($ millions) 5G Capacity and Demand Source: Mobile Experts: 5G Millimeter Wave 2019: Radio Architecture and Outlook, March 2019 0 1 2 3 4 5 6 7 2019 2020 2021 2022 2023 2024 2025 2026 2027 D e n se U rb a n C a p a c ity ( G B /m o .)

b) Facility is not included in manufacturing plants total as it is a design center/lab. d) Location also includes a design center/lab. We continue to update Poison Center notifications associated with our European por tfolio and monitor risk assessments associated with the U.S.

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) 510–530 (265–276) 510–530 (265–276) Center Zone 460–500(238–260) 450–500 (232–260) 500–520 (260–271) 490–510 (254–265) 510–530 (265–276) 520–540 (271–282) Front Zone 470–510(243–265) 460–510 (237–265) 510–525 (265–273) 500–520 (260–271) 530–550 (276–288) 530–550 (276–288) Nozzle 480–520(249–271) 470–510 (243–265) 515–530 (268–276) 510–525 (265–273) 530–560 (276–293) 540–560 (282–293) Melt Temperature °F (°C) 480–520(249–271) 470–510 (243–265) 515–530 (268–276) 510–525 (265–273) 530–550 (276–288) 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.

Processing Guidelines Base Resin PA6 Barrel Temperatures °F °C Rear Zone 440–470 227–243 Center Zone 450–480 232–249 Front Zone 460–490 238–254 Nozzle 470–500 243–260 Melt Temperature 470–500 243–260 Mold Temperature 120–180 49–82 Pack and Hold Pressure 50–75% of Injection Pressure Injection Velocity 0.5 in/s–3 in/s 13 mm/s–76 mm/s Back Pressure 50–100 psi 3.4–6.9 Bar Screw Speed 30–70 rpm Cushion 0.25 in 6.35 mm Drying Parameters 2–4 Hours @ 180°F 2–4 Hours @ 82°C Moisture % Allowable 0.08–0.18%* Screw Type General Purpose Screw Screw Compression Ratio 2.0:1– 2.5:1 Screw L/D 20:1 Non-return Check Valve Free Flow Check Ring Nozzle Type Reverse Taper Clamp Pressure 2–3 Tons/in² Barrel Capacity 30-80% of barrel should be used * Avient suggests measuring moisture using a Karl Fischer method or Vapor Pro® moisture analyzer that titrates only for moisture.

BASE RESIN ABS Drying Temperature 80–90°C Drying Time 2–3 Hours Barrel Temperatures °C Rear Zone 180–210 Center Zone 190–220 Front Zone 200–230 Nozzle 210–240 Mold Temperature 50–80 Screw Speed Moderate Back Pressure 3–10 bar Cushion 5–15 mm Injection Speed Low to medium Injection Pressure Moderate to high Holding Pressure 10–30% of injection pressure Screw Type General purpose Screw L/D 20:1 Screw Compression Ratio 2.0:1–2.5:1 Non-return Check Valve Free flow check ring Nozzle Type Reverse taper Barrel Capacity 30–80% of barrel should be used STARTUP & SHUTDOWN RECOMMENDATIONS Purge Compound 2–3 melt flow PP or purging compound.

BASE RESIN PPA PC PSU PES PPS CO- POLYMER ACETAL PEEK PA Barrel Temperatures* °F (°C) Rear Zone 550–580 (288–305) 520–560 (271–293) 600–640 (316–338) 630–660 (332–338) 550–580 (288–304) 350–370 (177–188) 660–700 (349–371) 440–490 (227–254) Center Zone 560–600 (293–316) 530–570 (277–299) 620–670 (327–354) 650–680 (343–360) 560–615 (293–324) 380–390 (193–200) 700–730 (371–388) 470–510 (243–266) Front Zone 580–620 (304–327) 550–580 (288–305) 630–680 (332–360) 670–730 (354–388) 590–630 (310–332) 390–430 (200–221) 720–750 (382–400) 490–540 (254–282) Nozzle 575–615 (302–324) 550–600 (288–316) 630–680 (332–360) 680–700 (360–371) 600–625 (316–330) 380–415 (193–213) 720–750 (382–400) 520–570 (271–300) Melt Temperature 575–615 (302–324) 560–600 (293–316) 625–675 (330–358) 650–710 (343–377) 600–625 (316–330) 370–410 (188–210) 670–740 (354–393) 520–570 (271–300) Mold Temperature 250–300 (121–150) 175–240 (80–116) 190–300 (88–150) 225–325 (107–164) 250–325 (121–164) 150–225 (66–107) 290–375 (143–190) 150–200 (66–93) Pack & Hold Pressure 50%–75% of Injection Pressure Injection Velocity in/s 1.0–3.0 Back Pressure psi 50 Screw Speed rpm 50–90 Drying Parameters °F (°C) 6 hrs @ 175 (80) 4 hrs @ 250 (121) 4 hrs @ 275 (135) 4 hrs @ 300 (150) 4 hrs @ 250 (121) 2 hrs @ 200 (93) 3 hrs @ 300 (150) 4 hrs @ 180 (82) Allowable Moisture % < 0.05 < 0.02 < 0.02 < 0.04 < 0.02 0.15–0.20 < 0.02 0.10–0.20 Cushion in 0.125–0.250 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 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 Nozzle Type General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose Reverse Taper Clamp Pressure 5–6 Tons/in2 of projected area of cavities and runner system * Barrel temperatures should be elevated for compounds designed for electrical insulative properties.

Base Resin PPA PC PSU PES PPS Co- polymer Acetal PEEK PA Barrel Temperatures* °F (°C) Rear Zone 550–580 (288–305) 550–590 (288–310) 600–640 (316–338) 630–660 (332–338) 550–580 (288–304) 350–370 (177–188) 660–700 (349–371) 440–490 (227–254) Center Zone 560–600 (293–316) 570–600 (300–316) 620–670 (327–354) 650–680 (343–360) 560–615 (293–324) 380–390 (193–200) 700–730 (371–388) 470–510 (243–266) Front Zone 580–620 (304–327) 580–630 (304–322) 630–680 (332–360) 670–730 (354–388) 590–630 (310–332) 390–430 (200–221) 720–750 (382–400) 490–540 (254–282) Nozzle 575–615 (302–324) 580–630 (304–322) 630–680 (332–360) 680–700 (360–371) 600–625 (316–330) 380–415 (193–213) 720–750 (382–400) 520–570 (271–300) Melt Temperature 575–615 (302–324) 580–625 (304–330) 625–675 (330–358) 650–710 (343–377) 600–625 (316–330) 370–410 (188–210) 670–740 (354–393) 520–570 (271–300) Mold Temperature 250–300 (121–150) 175–240 (80–116) 190–300 (88–150) 225–325 (107–164) 250–325 (121–164) 190–250 (88–121) 290–375 (143–190) 150–200 (66–93) Pack & Hold Pressure 50%–75% of Injection Pressure Injection Velocity in/s 1.0–3.0 Back Pressure psi 50 Screw Speed rpm 50–90 Drying Parameters °F (°C) 6 hrs @ 175 (80) 4 hrs @ 250 (121) 4 hrs @ 275 (135) 4 hrs @ 250 (121) 3 hrs @ 300 (150) 2 hrs @ 200 (93) 3 hrs @ 275 (135) 4 hrs @ 180 (82) Cushion in 0.125–0.250 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 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 2.5:1–3.5:1 Nozzle Type General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose Reverse Taper Clamp Pressure 5–6 Tons/in2 of projected area of cavities and runner system * Barrel temperatures should be elevated for compounds designed for electrical insulative properties.