GENERAL PURPOSE GLS TPES FOR PACKAGING SOFT TOUCH GRIPS BONDING TO POLAR SUBSTRATES GENERAL PURPOSE GLS TPES FOR PACKAGING SOFT TOUCH GRIPS BONDING TO NON POLAR SUBSTRATES Dynaflex™ G2711 Dynaflex™ G2780 Dynaflex™ G6713 Dynaflex™ G7960 Versalloy™ XL9045 Versaflex™ CL40 Aesthetics Grippy, 43A & translucent Low tack, 84A & translucent Extra soft, 13A & translucent Rubbery, 60A & opaque Matte, 45A & natural Grippy, 40A & water clear Special Characteristics Grippy medical grade PP & PE OM Extra soft General purpose High flow & fast setup Water clear Regulatory FDA, EU & USP VI FDA FDA & EU FDA FDA FDA & EU Overmolding Polypropylene Polypropylene & Polyethylene Polypropylene Polypropylene Polypropylene Polypropylene Versaflex™ CL 2250 Versaflex™ OM 3060 Versaflex™ CE 3120-65 Versaflex™ CE 3620 Versollan™ RU 2205 Aesthetics Grippy, 50A & clear Grippy, 59A & clear Silky feel, 65A & matte finish Silky feel, 65A & matte finish Grippy, 65A & matte finish Special Characteristics Clear overmold Clear overmold Abrasion resistance & high strength Low compression set & high flow Abrasion resistance & high strength Regulatory FDA & USP VI FDA & USP VI UL 94 FDA & ISO 10993-10 — Overmolding Polycarbonate Polycarbonate & ABS Polycarbonate, ABS, Copolyester & Nylon 12 Polycarbonate, ABS, Copolyester Polycarbonate, ABS, Copolyester & Nylon 12 1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.

This low smoke and fume non-halogen (LSFOH) grade was developed to provide comparable performance to market-leading jacket materials, including PVC, while offering additional benefits to cable manufacturers needing to meet CSA Teck 90 certification.

Seller warrants good and clear title in goods subject to the sale (“Product”) and that the Product conforms at the time of shipment to a Certificate of Analysis or a Certificate of Compliance, if either such document exists, and other specifications signed by Seller (“Specifications”).

Through this data, we create safety data sheet sand customer certification statements for intended use and product safety improvements. Combined, Avient facilities have a total of 286 management system certifications. In 2021, we partnered with Carbon Minds to standardize our approach to PCF, which is certified for ISO 14040/140440 compliance by TÜV Rheinland*.

Energy: o Diesel Fuel Consumption: 7,268,012 kWh o Natural Gas Fuel Consumption: 90,498,342 kWh o Renewable Energy - Self Generated (solar): 252,779 kWh o Renewable Energy - Self Generated (Wind): 2,399,531 kWh o Electric Power: 339,815,274 kWh Page 2 WATER RESOURCES • ENVIRONMENTAL SERVICES • HEALTH & SAFETY • CLIMATE CHANGE Apex Companies, LLC • (800) 733-2739 • www.apexcos.com o Renewable Energy Credit (REC): 121,411,062 kWh o Renewable Power – Offsite: 27,119,749 kWh Period covered by GHG emissions verification:  January 1, 2021 to December 31, 2021 GHG Reporting Protocols against which verification was conducted:  World Resources Institute (WRI)/World Business Council for Sustainable Development (WBCSD) Greenhouse Gas Protocol, Corporate Accounting and Reporting Standard, Revised Edition (Scope 1 and 2) and the GHG Protocol Scope 2 Guidance, an amendment to the GHG Protocol Corporate Standard  WRI/WBCSD Corporate Value Chain (Scope 3) Accounting and Reporting Standard Verification Protocols used to conduct the verification:  ISO 14064-3 Second Edition 2019-04: Greenhouse gases - Part 3: Specification with guidance for the verification and validation of greenhouse gas statements  Apex’s standard procedures and guidelines for external Assurance of Sustainability Reports and International Standard on Assurance Engagements (ISAE) 3000 Revised, Assurance Engagements Other than Audits or Reviews of Historical Financial Information (effective for assurance reports dated on or after Dec. 15, 2015), issued by the International Auditing and Assurance Standards Board.

Energy: o Diesel Fuel Consumption: 4,754,671 kWh o Natural Gas Fuel Consumption: 184,415,668 kWh o Renewable Energy Consumed - Self Generated (solar): 260,378 kWh o Renewable Energy Consumed - Self Generated (Wind): 2,554,186 kWh o Grid Electricity Consumed: 436,400,546 kWh Page 2 WATER RESOURCES • ENVIRONMENTAL SERVICES • INDUSTRIAL HYGIENE  •  SAFETY  •  SUSTAINABILITY  Apex Companies, LLC • (800) 733‐2739 • www.apexcos.com  o Renewable Energy Credits (REC) Purchased: 100,691,000 kWh o Renewable Electricity Consumed – Offsite: 128,982,866 kWh Period covered by GHG emissions verification:  January 1, 2022 to December 31, 2022 GHG Reporting Protocols against which verification was conducted:  World Resources Institute (WRI)/World Business Council for Sustainable Development (WBCSD) Greenhouse Gas Protocol, Corporate Accounting and Reporting Standard, Revised Edition (Scope 1 and 2) and the GHG Protocol Scope 2 Guidance, an amendment to the GHG Protocol Corporate Standard  WRI/WBCSD Corporate Value Chain (Scope 3) Accounting and Reporting Standard Verification Protocols used to conduct the verification:  ISO 14064-3 Second Edition 2019-04: Greenhouse gases - Part 3: Specification with guidance for the verification and validation of greenhouse gas statements  Apex’s standard procedures and guidelines for external Assurance of Sustainability Reports and International Standard on Assurance Engagements (ISAE) 3000 Revised, Assurance Engagements Other than Audits or Reviews of Historical Financial Information (effective for assurance reports dated on or after Dec. 15, 2015), issued by the International Auditing and Assurance Standards Board.

Product Name C10 XF V2 70 C10 H XF V0 70 C10 H XF V0 T C10 T/10 XF V0 70 C10 T/20 XF V0 70 C6 GF/30 H XF V0 70 C2 GF/20 XF V0 T 70 C6 GF30 H UV XF V0 70 GREY X2 70 GREY X3 70 Resin Chemistry COPO HOMO + COPO Polymer PP Flammability V2 V0 V0 V0 V0 V0 V0 V0 V0 V0 UL Listed No No No No No Yes No No No No Reinforcement Unfilled Unfilled Unfilled Talc Talc Glass Filled Glass Filled Glass Filled Glass Filled Glass Filled Density (g/cm3) 1.01 1.06 1.09 1.16 1.28 1.35 1.23 1.38 1.24 1.25 MFI, 230°C/2.16 kg 7 10 10 9 10 4.5 2.5 4.5 4 0 E-Modulus (Tensile Modulus - Mpa) 1800 1500 1300 1500 2400 8000 5000 8000 5250 6000 Tensile Strength (Mpa) 18 15 20 15 15 60 45 60 40 45 Tensile Strain at Break (ISO 527-2) (%) 63

Khandpur President and CEO 2024 Performance & Highlights Sales: $3.24B +3% GAAP EPS: $1.84 Adjusted EPS(1): $2 .66 +13% Adjusted EBITDA(1): $526M +5% Adjusted EBITDA Margin(1): 16.2% +20bps Dividend Increase: 14 Consecutive Years Great Place to Work® Certification 6 Consecutive Years (1)Reconciliations of these measures to the most directly comparable generally accepted accounting principles (GA AP) financial measures are included in this annual report on a supplemental page that follows the Form 10-K . Annual Repor t | 2024 2 STOCK EXCHANGE LISTING Avient's Common Stock is listed on the New York Stock Exchange, Symbol: AVNT SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company, LLC 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2615 or 1-651-450-4064 www.shareowneronline.com Additional information about Avient, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.avient.com or free of charge from: Investor Relations Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Phone: 1-440-930-1000 ANNUAL MEETING The annual meeting of Avient will be held virtually via live webcast at 9:00 a.m.

As a result of these plastisol aging characteristics and the potential differences in testing methodology, it is strongly recommended that incoming quality control (QC) specifications not be established based on plastisol Technical Data Sheets (TDS), or Certificates of Analysis (COA).