Mulch films case study BIODEGRADABLE & COMPOSTABLE M U L C H F I L M S • Compliance with European Standard EN17033 or OK Compost • Black and white color standards available under different TÜV Austria certifications (OK Compost and more) • Full support for end-product certification for both EN13432 and EN17033 • Formulated with pigments tested and approved by certified body OnColor™ Bio-Colorants KEY REQUIREMENTS WHY AVIENT?

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

Skills/Experience Ab er na th y Fe ar on Go ff Gr ee n Je lli so n Li n M in k N ic ol as Pa tt er so n Pr ee te Ve rd ui n W ul fs oh n Financial          International             Industry Expertise          Regulatory        Technology     Human Capital           Operations            Corporate Governance          IT and Cybersecurity      Sustainability             Background Gender Male Male Male Male Male Female Female Male Male Male Female Male Race/Ethnicity White White White Black White White White Black White White White White Other Public Company Boards 1 3 1 — — 2 2 — 1 2 — 1 PROXY SUMMARY PROXY STATEMENT 2022 | Annual Meeting of Shareholders 13 GOVERNANCE HIGHLIGHTS As part of our commitment to overall excellence, our Companyʼs governance practices include the following: Director Independence • Strong commitment to Director independence: Eleven out of our twelve Director nominees are independent Our 2021 financial performance resulted in the Named Executive Officers receiving payouts based on an attainment rate of 195%. Total attainment for these participants under the 2021 Annual Incentive Program was 195%, with the components consisting of (dollars in millions): 2021 Corporate Plan Annual Incentive Program* (Patterson, Beggs, Kunkle and Rathbun) Measure Weighting Threshold Target Maximum Results Payout % Adjusted Operating Income 60% $303.8 $341.8 $359.7 $429.0 200% Working Capital as a % of Sales 20% 12.2% 11.9% 11.2% 10.9% 200% Clariant Color Integration Objectives 20% See Clariant Color discussion above for more information regarding goals and achievements 175% Total Attainment 195% *Adjusted operating income (performance measures and results) reported in the table above was calculated with adjustments for special items (as noted on Appendix A) pursuant to the terms of the plans and as approved by the Compensation Committee.

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:

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.

MAJOR TIER 1 SUPPLIER C O N N E C T O R C O V E R • EMI-shielding performance at frequencies from 30 MHz up to 2 GHz • Excellent dimensional stability • Must meet robust mechanical property targets including tensile strength and elongation at break • Worked in close collaboration with the OEM from the start of the development process in order to fully understand their key requirements • Developed a customized material providing the required EMI-shielding performance which, removing the need for secondary metallization manufacturing processes, reduced cycle time Surround™ NN- 14 NICF SIP Black Formulation KEY REQUIREMENTS WHY AVIENT?

KEY REQUIREMENTS • Post-consumer recycled material to reduce carbon footprint • Maintain high transparent color even after using recycled PC • Stable color range and strict black spot control https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/resound-r-pc-recycled-polycarbonate-solutions

MAJOR AUTOMOTIVE OEM R O O F R A C K • Impact resistance • UV stability over time • Color match to specific black color • Developed a supply chain agreement to ensure reliable supply and mitigate risk • Provided just-in-time delivery to help the customer keep working capital low and maximize warehouse space • Provided a product that supports sustainability to potentially enhance the marketplace appeal of the customer’s end product Nymax™ REC Recycled Nylon Formulation KEY REQUIREMENTS WHY AVIENT?

MILITARY AND TACTICAL GEAR MANUFACTURER H O L S T E R • Impact resistance in all temperatures • Strength • Ductility • UV resistance • Easy to process • Color match to specific black color • Supported material selection and provided technical processing expertise through our application development and technical service team • Enabled two-day delivery through regional stocking strategies Nymax™ REC Post-Industrial Recycled Nylon Formulation KEY REQUIREMENTS WHY AVIENT?