Pro forma for the acquisition of Clariant Masterbatch, the company noted sales for October and November increased 5.4% over the same months in the prior year.  Overall demand is better than we initially estimated in every region of the world, and we are capturing synergies related to our acquisition of Clariant Masterbatch," said continued, "These results also reflect the strong cultural fit between legacy PolyOne and legacy Clariant Masterbatch associates who have come together to create

STAT-TECH AS-10CF/000 BLACK STAT-TECH ST3200-0010 NH FR BLACK STAT-TECH ST9620-0020 ES RED STAT-TECH NN-40CF/000 NH FRV0 NATURAL Applications Sensor, Camera Sensor, Camera Sensor, Camera Sensor, Camera Defining Features Antistatic Conductive EMI Shielding Flame Retardant EMI Shielding Good Chemical Resistance High Stiffness Filler/ Reinforcement Carbon Fiber, 10% by Wt — Nickel-Coated Carbon Fiber Carbon Fiber, 40% by Wt Surface Resistivity 1.0E+2 to 1.0E+6 1.5E+4 1.0E+2 to 1.0E+4 1.0E+2 to 1.0E+5 Shielding Effectiveness (10GHz, 1/8" thickness) — — 61 dB 70 dB HOW STAT-TECH MATERIAL MAKES THE DIFFERENCE IN AUTOMOTIVE ADAS SENSORS, CAMERAS AND ECUS Protection from static buildup – Stat-Tech material reduces static buildup with surface resistivity between 1.0E+2 ohms and 1.0E+6 ohms, minimizing sparks from damaging nearby electrical components, especially those near fuel storage.

PRODUCT SELECTION GUIDE WIRE & CABLE SOLUTIONS Specialty Engineered Materials High performance insulation, jacketing, and cross-web formulations for the wire and cable industry Syncure™ XLPE Cross-linkable Polyethylene Formulations • Ambient curing • Resistant to heat, oil, creep, & abrasion • Low temperature properties • Low capital investment • DBDPE-free grades available • UL/CSA bulletins Maxxam™ FR Flame Retardant Polyolefin Formulations • FEP alternative • Fire performance • UL 444 & plenum yellow card compliance • Low dielectric • High extrusion speeds • Thin wall extrudability Maxxam™ SY Foamable Flame Retardant Formulations • Low dielectric • Uniform cell structure • Crush & heat resistance • Ease of chemical foaming ECCOH™ Low Smoke and Fume Non-Halogen Formulations • Improved fire safety • Low smoke, fume, non-halogen (LSFOH) formulations ECCOH™ XL Cross-Linkable Solutions • Non-halogen, low smoke, toxicity, & corrosiveness • Excellent mechanical & electrical properties • Easily processed • Operating temperature of 90°C • Moisture cure technology Synprene™ Flame Retardant Thermoplastic Elastomers • Low temperature brittleness (LTB) resistance • Easily colored FireCon™ CPE Insulation Jacketing Formulations • Resistance to harsh environments • Sunlight resistance ECCOH™ XL 8148 Non-halogen, low smoke, toxicity, & corrosiveness EN50618 Syncure™ S100FH Horizontal flame UL 44 Syncure™ S100FH-XUV Horizontal flame, UV resistant UL 44 Syncure™ S100FH-UV Horizontal flame, FV-1 flame, UV resistant UL 44, UL 4703 Syncure™ S100FV VW-1 flame UL 44 Syncure™ S100FV-UV VW1, UV resistant UL 44 Syncure™ S112NA Non-flame retardant CSA 22.2 Syncure™ S120NA Non-flame retardant NSF 61 Syncure™ S200FH Horizontal flame, DBDPE-free UL 44 Syncure™ S200FV VW-1, DBDPE-free UL 44 INSULATION FOR POWER CABLE SYSTEMS Low Voltage Power Cables • Resistance to heat, oil, creep, & abrasion • Low capital investment INSULATION & CROSS-WEBS FOR DATA CABLE SYSTEMS Category Cables • FEP alternative • Low dielectric constant • High extrusion speeds & thin wall capability • Flexibility Maxxam™ FR 0521-48 R1 Low smoke & fume, non-halogen UL 444 Maxxam™ FR 0587-21 R3 Halogenated to plenum performance UL 444 Optical Fiber Cables • Resistance to harsh environments, chemicals, & sunlight • Low temperature brittleness (LTB) resistance • Low smoke & toxicity ECCOH™ 6649 UV Low DD Low smoke & fume, non-halogen Meets customer-specific flame requirements Coaxial Cables • Flexibility • Low dielectric constant • Uniform cell structure • Crush & heat resistance Maxxam™ SY 89-22-7 Foamable Meets customer-specific flame requirements JACKETING FOR POWER & DATA CABLE SYSTEMS Low & Medium Voltage Jacketing • Resistance to harsh environments, chemicals, & UV degradation • Low temperature brittleness (LTB) resistance • Low smoke & toxicity • Flexibility • High extrusion speeds • Easily colored FEATURES SUBMARKETS & USES FireCon™ CPE 30-33 RoHS Black Flame retardant, flexible Building & construction, industrial, FireCon™ CPE 37-36 RoHS Black Flame retardant, flexible Building & construction, industrial, FireCon™ CPE 30-20 RoHS Natural Flame retardant, flexible Building & construction, industrial, ECCOH™ 5549 UV Low smoke & fume, non-halogen, flame retardant Building & construction, industrial ECCOH™ 6649 UV Low DD Low smoke & fume, non-halogen, flame retardant Optical fiber, ducts ECCOH™ 5981 UV Low smoke & fume, non-halogen, flame retardant Industrial, Teck 90 wire Synprene™ RT5180 Flame retardant, LTB resistance Building & construction, industrial Synprene™ RT5180UV Flame retardant, LTB resistance Building & construction, industrial Synprene™ RT3870M Flame retardant, LTB resistance Building & construction, industrial 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation.

Cesa™ bright masterbatches convert UV radiation into visible, bluish light in order to improve the long-term, white appearance of finished plastic products. Our light diffusion masterbatches deliver a customer-specified mixture of light transmission, light diffusion, and hiding power.

AQUARIUS™ SB - BLACK CONCENTRATE 15. AQUARIUS™ SOFT BASE - BLACK 5.

Avient acquired the Clariant Masterbatch business (CMB) on 2020年7月1日 (the “Acquisition Date”). Operating Income $3,783 $4,300 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Previous Guidance Current Guidance $3,783 $4,650 $308 $410 $308 $430 $1.93 $2.80 $1.93 $3.00 (1) (1)(1) (1)(1) (1) $442 $457 $580 $1.74 $1.93 $3.00 FULL YEAR 2019 – 2021 ORGANIC GROWTH 16 Sales Adjusted EBITDA $3,981 $3,783 $4,650 + 17% (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (1)(1) + 31% + 72% ($ in millions) 2021E Adjusted EBITDA 580$ Free Cash Flow 280$ Total Debt 1,860 Less: Cash (755) Net Debt 1,105$ 2021E Net Debt / Adjusted EBITDA 1.9x 17 BALANCE SHEET • Acquisition of Magna Colours completed on July 1 – expands sustainable solutions portfolio through water-based inks technology • Deleveraging to 1.9x net debt to adjusted EBITDA by the end of 2021 • Driven by record adjusted EBITDA performance and strong free cash flow generation from asset light business • Future cash deployment: M&A, opportunistic share repurchases and balance sheet / continued leverage reduction 3.5x 2.7x 1.9x Net Debt / Adjusted EBITDA (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition SUSTAINABILITY FOR A BETTER TOMORROW • Revenue from sustainable solutions expected to grow 14% in 2021 as our innovation efforts and collaboration with customers continues to accelerate • Investments centered around innovation and global sustainability megatrends o Enabling a circular economy – Technologies that allow for increased use of post-consumer recycled (PCR) material and improve recyclability of plastics o Light-weighting – Composites and CAI applications to reduce weight and material requirements, which minimize energy and carbon emissions o Eco-Conscious – Health and human safety applications as well as Avient’s alternative materials to replace lead, PVC, halogens, BPA and other less eco-friendly options 2016 2017 2018 2019 2020PF** Bio-polymers Reduced Energy Use Human Health & Safety Sustainable Infrastructure VOC Reduction Recycle Solutions Eco-Conscious Lightweighting Revenue From Sustainable Solutions* 2016-2020 $405M $455M *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Masterbatch business $340M $550M $790M 19 Key Updates • Includes Clariant Masterbatch performance • Increases disclosures and ESG data • Provides performance updates on 2030 Sustainability Goals • Commits to operational carbon neutrality in 2050 and 100% renewable energy by 2050 (RE 100) • Announces Avient’s participation in U.N. 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 long-term revenue 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.

PRODUCT MATERIAL DESCRIPTION COLOR MAX THICKNESS MAX WIDTH IN (CM) FLEXURAL MODULUS FLEXURAL STRENGTH GLASS GC-70-UL Glass/Epoxy Any 0.1 17.75 5.8 210 (1448) 70 GC-66-ULW Glass/Epoxy, 90° Weft Any 0.1 17.75 4.5 (31.03) 130 (896) 66 GC-70-ULS Glass/Epoxy, 1080 Woven Scrim Any 0.1 17.75 5.8 210 (1448) 70 GC-70-ULZ Glass/Epoxy Natural 0.04 (1.0) 8.75 6.8 (46.89) 245 (1689) 70 GC-70-ULC Carbon/Epoxy Black 0.04 (1.0) 8.0 (20.3) 19.9 (137.21) 300 (2069) 70 BARSTOCK All barstock composites are machined to size with a surface finish prepared to fit customer requirements. STANDARD BARSTOCK PRODUCTS PRODUCT MATERIAL DESCRIPTION COLOR MAX THICKNESS MAX WIDTH IN (CM) FLEXURAL MODULUS FLEXURAL STRENGTH GLASS GC-67-UB Glass/Epoxy Black 0.575 (14.6) 11.75 (29.8) 153 (1055) 67 GC-67-UBZ Glass/Epoxy Black 0.5 (12.7) 153 (1055) 67 GC-60-UBC Carbon/Epoxy Black 0.25 (6.35) 4.0 (10.2) 12.5 (86.19) (1034) 60 GC-67-UBW Glass/Epoxy, 90° Weft Blue 0.25 (6.35) 4.8 (33.10) (1034) 67 PULTRUDED PROFILES - TYPICAL PROPERTIES The Glasforms™ pultrusion process creates continuous, constant cross-sectional profiles with consistent, uniform quality and exceptional mechanical performance.

Printed results may vary based on production methods such as ink film thickness, opacity, and substrate. 66100 BEARS NAVY 90610 ELECTRIC RED 12600 TAN 74550 DARK GREEN 75900 BLACK LIGHT GREEN 67050 ROYAL 90810 ELECTRIC PURPLE 60000 NAVY 62100 LIGHT ROYAL 90410 ELECTRIC PINK 13300 RUSSELL GRAY 70550 KELLY GREEN 90110 ELECTRIC BLUE 90010 ELECTRIC YELLOW 14600 DARK GRAY 90210 ELECTRIC GREEN 90310 ELECTRIC ORANGE 19000 BLACK DIAMOND Copyright © 2022, Avient Corporation. For more information about Wilflex screen printing inks, please call 1.844.4AVIENT, email askspecialtyinks@avient.com or visit www.avientspecialtyinks.com or www.wilflex.com www.wilflex.com Yellow Swatch: Yellow: 1655 Swatch: 1655: 1795 Swatch: 1795: 2685 Swatch: 2685: 1235 Swatch: 1235: 116 Swatch: 116: Bright Red Swatch: Bright Red: 3546 Swatch: 3546: 7645 Swatch: 7645: 137 Swatch: 137: 1807 Swatch: 1807: 227 Swatch: 227: 1788 Swatch: 1788: 2397 Swatch: 2397: 2925 Swatch: 2925: 2768 Swatch: 2768: 805 Swatch: 805: 156 Swatch: 156: 3435 Swatch: 3435: 7488 Swatch: 7488: 287 Swatch: 287: 253 Swatch: 253: 296 Swatch: 296: 2145 Swatch: 2145: 806 Swatch: 806: 421 Swatch: 421: 348 Swatch: 348: 3005 Swatch: 3005: 809 Swatch: 809: 423 Swatch: 423: 2422 Swatch: 2422: 811 Swatch: 811: Black Diamond Swatch: PMS Black 3 C:

Additives can be combined with colors into a single masterbatch for convenience. Discover our color masterbatch portfolio for spun-dyed polyester and polyamide. Low-concern masterbatches that protect wire and cable from rats and termites

NAME COLOR FAMILY COLOR CODE TRANSPARENTS Transparent Blue Violet Violet PPT6730-4005 Transparent Aquamarine Blue PPT6730-5018 Transparent Teal Green Green PPT6730-564C Transparent Optimal Yellow Yellow PPT6730-458C Transparent Energy Orange Orange PPT6730-150C Transparent Crimson Red PPT6730-2009 Transparent True Gray Gray PPT6730-7001 OPAQUES Linen White White PPO6730-9010 Hygienic White White PPO6730-9001 Ice Gray Gray PPO6730-5C True Gray Gray PPO6730-424C Shadow Gray PPO6730-446C Gunmetal Gray PPO6730-426C Black Black PPO6730-6C Powder Blue Blue PPO6730-2127C Smoky Blue Blue PPO6730-7682C Bright Azure Blue PPO6730-653C Cobalt Blue PPO6730-5002 Navy Blue PPO6730-5004 Aquamarine Blue PPO6730-7699C Blue Violet Violet PPO6730-7456C Emerald Green PPO6730-6016 Clover Green PPO6730-7723C Optimal Yellow Yellow PPO6730-459C Energy Orange Orange PPO6730-2000 Crimson Red PPO6730-3000 Colors may vary from actual color shown. NAME COLOR FAMILY COLOR CODE OPAQUES Marigold Yellow RPO6750-1006 Lime Yellow Green RPO6750-389C Royal Blue Blue RPO6750-5005 Mist Gray Gray RPO6750-7035 Overcast Gray RPO6750-7042 Deep Charcoal Black RPO6750-9004 Storm Gray Gray RPO6750-7015 Tin Gray RPO6750-7004 Tangerine Orange RPO6750-2004 Ginger Orange RPO6750-2000 Manilla White RPO6750-1013 Pine Green Green RPO6750-6029 Sea Green Green RPO6750-3262 Indigo Violet RPO6750-7668C Nut Brown Brown RPO6750-8008 Chocolate Brown RPO6750-8017 Chili Pepper Red RPO6750-3000 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation.