$600 $592 $3.02 $3.04 FULL YEAR 2022 PERFORMANCE (TOTAL COMPANY PRO FORMA) 15 Sales Adjusted EBITDA $3,712 $3,653 -2% Adjusted EPS -1% + 1% (in millions) (in millions) (+4% excluding FX) (+5% excluding FX) (+9% excluding FX) FULL YEAR 2022 SEGMENT PERFORMANCE 16 CAI $2,402 $2,355 $409 $402 SEM Pro Forma $1,308 $1,300 $278 $272 (+4% excluding FX) - 2% -1% (+5% excluding FX) - 2% (+4% excluding FX) - 2% (+2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 17 Pro Forma 2021 Adjusted EPS 3.02$ Foreign Currency (0.23) Russia Import Sales (0.07) Outdoor High Performance (0.13) Color, Additives and Inks 0.18 Specialty Engineered Materials 0.24 Corporate Costs / Other 0.03 Pro Forma 2022 Adjusted EPS 3.04$ FULL YEAR EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 18 $ millions CAI: Price / Mix 247 Inflation (176) SEM: Price / Mix 121 Inflation (77) Net Price Benefit 115 Wage and Energy Inflation (47) Clariant Color Integration Synergies 23 Incentives, Other Employee Costs 43 FX (34) Full Year 2022 $592 Adjusted Full Year 2021 $ 600 Demand (99) Russia Import Sales (9) • Demand primarily impacted by China lockdowns, 4th quarter industrywide destocking and declining consumer sentiment • Pricing outpaced inflation of raw materials, wages and energy 2023 G U IDA N CE $125 $530 $0.55 $2.40 2023 GUIDANCE 20 Sales Adjusted EBITDA $845 $3,450 Adjusted EPS (in millions) (in millions) CASH FLOW / BALANCE SHEET 21 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x K E Y G R O W T H D R I V E R S A N D T R A N S F O R M E D P O R T F O L I O GROWTH DRIVERS: PROVEN SUCCESS 23 (1) Pro forma for the acquisition of Avient Protective Materials (APM) COMPOSITES $51 $84 $212 $668 HEALTHCARE $108 $113 $231 $293 8-10% ASIA/EMERGING REGIONS $265 $358 $726 $830 12% $340 $455 $790 $1,175 SUSTAINABLE SOLUTIONS 8-12% (1) (1)(1) (Sales in $ millions) #1 Color Formulator Dyneema® - World’s Strongest Fiber™ #1 in Composites applications for outdoor high performance #1 in Performance Inks Customized solutions 140+ PhDs on staff Rapid development of innovative products Extensive patent (2,500+) portfolio 33% Vitality Index Better-positioned toward stable, high-growth end markets Consumer, packaging, healthcare and defense comprise nearly 60% of sales Agnostic to raw materials, helping all customers achieve their goals Broad portfolio of diversified sustainable solutions 90%+ of our innovation pipeline invested in sustainable solutions Long-term growth rate well above GDP with expectations of 8-12% LEVERAGING OUR TRANSFORMED PORTFOLIO 24 Building & 4% Telecom. 2022 PF $3.65B sales Leading Positions Sustainable SolutionsDiversified IndustriesSpecialty Formulator (1) 2022 Pro forma for the acquisition of Avient Protective Materials (2) 2020 Pro forma for the acquisition of Clariant Color (1)(2) $340M $455M $790M 2016 2018 2020PF 2022PF $1,175M P EE R C O M PAR IS O N S AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Other Specialty / Note: Avient reflects 2023 estimated revenue of $3,450 and estimated run-rate CAPEX of $110M. 27 2 4 4 5 5 5 6 7 7 FREE CASH FLOW CONVERSION Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

AVNT-2024.03.31-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2024 Results • First quarter GAAP EPS from continuing operations of $0.54 compared to $0.23 in the prior year quarter • First quarter adjusted EPS of $0.76 exceeded guidance of $0.68 primarily as a result of better-than-expected customer demand from defense applications and lower raw material costs • First quarter adjusted EPS increased 21% over the prior year driven by improved margins from lower raw material costs and favorable mix, and lower net interest expense • Revised 2024 full-year adjusted EPS guidance range to $2.50 to $2.65, from prior guidance of $2.40 to $2.65 given strong first quarter results; Revised full-year guidance range reflects 6% to 12% growth in adjusted EPS over the prior year CLEVELAND – May 7, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, today announced its first quarter results for 2024. About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

Avient Corporation - Bethel, CT 19 Francis J Clark Circle Bethel, CT 06801 Design and Manufacture of Colorants and Compounds for Fluoropolymer and High Temperature Polymers. 65536-110437Certificate No: Page 9 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

Contact us today to determine the fiber-based solution that is right for your product.

ET9600-8010 LDS ET3200-8177 LDS Dielectric Constant (DK) 3.98 2.88 Dissipation Factor (Df) 0.0060 0.0040 SPECIALTY ENGINEERED MATERIALS ELECTRICAL & ELECTRONICS SOLUTIONS EDGETEK™ FORMULATIONS FOR 5G BASE STATION ANTENNA APPLICATIONS EDGETEK™ PRODUCT PORTFOLIO HOW AVIENT EDGETEK FORMULATIONS MAKE THE DIFFERENCE FOR 5G BASE STATION ANTENNA APPLICATIONS Increased Design Flexibility – Can increase design flexibility especially for circuit design, 3D antenna design, and complex shapes Faster Design Qualification & Shorter Lead Time – Can be customized to specific Dk values and delivered within weeks Flexible Design Space – Effective for circuit designs constrained by a limited space Compatible with SMT Process – Can be customized to resist heat, with deflection temperatures ranging from 200°C to 278°C To learn more, please visit www.avient.com or call +86.21.60284888.

LOW HAZE The new 4020G grade of ColorMatrix Amosorb offers similar oxygen scavenging performance as previous solutions with the added benefit of up to 50% lower haze, resulting in improved clarity and clearer looking bottles.

VERSAFLEX™ VDT 4202-40B DYNAFLEX™ G7940 Defining Characteristic Vibration damping Vibration isolation What it Does Dampens vibrations,and specifically minimizes appliance walking Isolates vibrations, which reduces overall movement of the appliance Tactile Feel Grippy feel Soft touch, rubbery feel Coloring Black Natural Hardness 40 Shore A 40 Shore A Overmolding Substrate Polypropylene Polypropylene HOME APPLIANCE SOLUTIONS REDUCE MOVEMENT OF TOP LOAD WASHING MACHINES WITH TPES FOR ANTI-VIBRATION FEET EXAMPLES OF APPLICATION-SPECIFIC MATERIALS AND DESIGN SUPPORT DynaflexVersaflex VDT Polypropylene HOW OUR TPES MAKE THE DIFFERENCE IN TOP LOADING WASHING MACHINE ANTI-VIBRATION FEET Lower the number of service calls – Our TPEs for anti-vibration feet reduce appliance movement and walking during use, thus lowering the number of service calls and reducing costs.

GLS™ TPE MAJOR HOME APPLIANCE SOLUTIONS ENHANCE APPLIANCE PERFORMANCE WITH TPEs FOR ANTI-VIBRATION FEET In the highly competitive home appliance market, brands are driving to differentiate products with enhanced performance attributes.

SOME OF OUR FIRSTS • Development of the industry’s first plastisol color mixing system for screen printing ink • Introduction of the first automated ink dispensing equipment OUR SPECIALTY INKS • Broadest range of specialty screen printing inks, including: non-phthalate PVC plastisol, water-based, silicone, and non-PVC plastisol • Ink room solutions including inventory management software • Strong expertise in R&D and product development • Demonstrated technical service and color matching capabilities • Highly efficient manufacturing operations • Global manufacturing footprint and customer reach OUR BRANDS • Wilflex is a leading brand of specialty screen printing inks with a focus on total ink-room management, providing the most efficient, cost-effective environment possible • Rutland is a leading brand of specialty screen printing inks for the textile industry with a strong commitment to making the screen printing process easier, more attractive and more profitable for customers • Union Ink is a brand dedicated to providing the broadest range of innovative and inspired screen printing inks with the highest opacity mixing systems in the market • Printop is a leading brand of textile screen printing inks in Latin America including plastisols, water-based, and discharge inks • QCM is a trusted brand of cost- effective, high quality inks for one of the most recognizable products in the world, the printed t-shirt SPECIALTY INKS GLOBAL FOOTPRINT • Five manufacturing facilities in Kennesaw, Georgia; Pineville, North Carolina; Lima, Peru, Shenzhen, China; and Mumbai, India (JV) • Warehouse and distribution facilities in Georgia, North Carolina and Ohio in the US, Paddock Wood and Widnes, U.K., and Singapore • Global presence of distributors located in over 60 countries Copyright © 2018, PolyOne Corporation.

HOW WE WORK WITH YOU Avient’s engineering and technical experts work closely with firearms manufacturers in the barrel development process to understand their needs and requirements, and to customize a solution.