Thermoplastic Elastomers Continuous Glucose Monitors (CGM) Advanced Mobility Composite Structures

While the near-term presents macro-economic uncertainties, we remain confident in our ability to generate strong free cash flow, continue to invest in innovation for the long-term, and return value to shareholders."  Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks, including recessionary conditions; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows; changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; fluctuations in raw material prices, quality and supply, and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; an inability to raise or sustain prices for products or services; our ability to continue to pay regular quarterly cash dividends, including at the increased rate, and the amounts and timing of any future dividends; information systems failures and cyberattacks; amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; the ability to obtain required regulatory approvals and otherwise consummate the proposed sale of the Distribution business; and other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation and any recessionary conditions.

These high-accuracy technologies ensure continuous and consistent delivery of liquid color & additives, reducing overall waste. As part of our continuing sustainability efforts, the ColorMatrix FlexOne system’s enhanced features support manufacturers by providing new equipment to help reduce waste, while decreasing the unit’s size also improves transportation and logistics.”   Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility  

As a member of the American Chemistry Council, we have adopted Responsible Care® Guiding Principles to guide our efforts in continuous improvement. Commitment, attitude and behavior are the most important factors in preventing injuries and illnesses and preserving health, and our practices reinforce these imperatives.  Setting goals and objectives that drive continual improvement and check effectiveness of risk reduction measures in product safety and stewardship

continued, "The war in Adjusted EPS - Continuing Operations We have divested more cyclical, less specialized businesses and made significant investments in innovation, composites and sustainable solutions. 

FL.Datasheet PackingYarn.indd FIBER OPTICAL CABLES Key Features • Filament level coating produces longer lasting products  • Dissipates heat and reduces shaft wear • Excellent sealing and lubricity properties • Twisted products available for added strength • Non-PFOA PTFE products available FIBER-LINE® FIBERS FOR PACKING YARN • Carbon Fiber • Kevlar® Para-Aramid • Nomex® Meta-Aramid • Graphite • Fiberglass • PTFE Fiber FIBER-LINE® PERFORMANCE ADDING COATINGS • FIBER-LINE® Packcoat™ PTFE • FIBER-LINE® Packcoat™ Silicone Oil • FIBER-LINE® Packcoat™ Graphite • FIBER-LINE® Packcoat™ Mineral Oil FIBER-LINE® PACKING YARN PRODUCTS • Braided compression packing • Packing rings • Packing materials for pumps and valves Overview • FIBER-LINE® offers a broad range of continuous filament yarn and performance additives for braided compression packing yarn. We believe that our ongoing commitment to protect the environment, to remain at the forefront of fiber and coating technology, and to ‘treat others as we want to be treated’ will continue to drive the success of our customers, shareholders, and employees. ABOUT FIBER-LINE®

Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,135 $51 $84 $212 $645 $108 $113 $231 $230 $265 $358 $726 $725 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards ESG Ratings Performance 1 4 87th 94th percentile 5 Avient CDP Score: A- FE BRUARY 14 , 2024 W E BCAS T P RE S E N TAT I O N DR. We also monitor earnings (defined as net income from continuing operations) before interest, taxes, depreciation and amortization (EBITDA) and adjusted EBITDA (EBITDA before the impact of special items) as a supplement to our GAAP measures. Three Months Ended Year Ended Reconciliation of Pro Forma Adjusted Earnings per Share December 31, 2022 Net (loss) income from continuing operations attributable to Avient shareholders $ (17.0) $ 82.8 Special items, after tax 38.3 116.2 Amortization expense, after-tax 14.6 49.0 Adjusted net income from continuing operations excluding special items 35.9 248.0 Pro forma adjustments* 2.5 13.6 APM pro forma amortization expense, after-tax* — 19.1 Pro forma adjusted net income from continuing operations attributable to Avient shareholders $ 38.4 $ 280.7 Weighted average diluted shares 91.7 92.2 Pro forma adjusted EPS - excluding special items pro forma for APM acquisition $ 0.42 $ 3.04 * Pro forma adjustment to reflect APM results for the period before Avient ownership including the impacts of debt financing and paydown of debt with net proceeds from the Distribution sale.

FIBER OPTICAL CABLES Key Features • Rip through any material, including steel armor • High strength to diameter ratio • Lubricated for easy ripping • Colors available for easy identification • Long continuous lengths per spool FIBER-LINE® FIBERS FOR RIPCORDS • Kevlar® Para-Aramid • Vectran® Liquid Crystal Polymer (LCP) • PET Polyester • Nylon Polyamide • Technora® FIBER-LINE® PERFORMANCE ADDING COATINGS • FIBER-LINE® WearcoatTM: Lubricity for fast and easy removal • FIBER-LINE® BlockcoatTM: Anti-wick/Non-wick water penetration & snag resistance • FIBER-LINE® RepelcoatTM: Water Repellency • FIBER-LINE® Swellcoat®: Water Absorbing Protection • FIBER-LINE® Swellcoat® Blocker: Block Water Migration • FIBER-LINE® ColorcoatTM: Color identification for easy tracking Overview • FIBER-LINE® has over 25 years of experience in producing ripcords for the optical fiber cable market. WHY FIBER-LINE® RIPCORDS? We believe that our ongoing commitment to protect the environment, to remain at the forefront of fiber and coating technology, and to ‘treat others as we want to be treated’ will continue to drive the success of our customers, shareholders, and employees.

Our expanding portfolio of offerings includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world's strongest fiber™. Continuing operations Continuing operations

CLEVELAND – July 19, 2023 – Today, Avient Corporation announces the addition of two reSound™ REC Recycled Content Thermoplastic Elastomers (TPEs). Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including marine and sustainable infrastructure and outdoor sports   Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility