is a premier provider of specialized polymer materials, services and sustainable solutions. Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation

Avient is committed to continuous improvement and delivering solutions on the foundation of a quality focus; we conduct our operations in accordance with the applicable laws and regulations. Recall exercises are done on a regular basis in accordance with the ISO 22000 requirement. 11 Sustainable Solutions Live Here. At Avient, we create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

These difficulties underscore the limitations of traditional materials and the need for innovative solutions that align with modern construction needs. Our non-halogenated, flame-retardant panels bridge these gaps, enabling builders to move beyond the limitations of outdated solutions. Avient’s panels simplify the process by combining fire resistance, durability, and light weight into a single solution.

CLEVELAND – November 2, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today announced its third quarter 2023 results. https://www.avient.com/investors/ https://edge.media-server.com/mmc/p/ky9b3iov https://www.avient.com/investors/ https://register.vevent.com/register/BIa7fc29ba31db4eec88eca2de2a3faa90 https://www.avient.com/investors/events-presentations https://www.avient.com/news-events 4 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material 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®.

$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.

Patterson said, “As the COVID-19 vaccine brings hope for a recovery from the pandemic, we anticipate our businesses will continue to benefit from new product development requiring sustainable solutions as well as demand for consumer and healthcare applications. About Avient Avient Corporation (NYSE: AVNT), with 2020 pro forma revenues of $3.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include: • Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation • Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses Avient employs approximately 8,400 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

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®.

Over the last six years, sustainable solutions have been a substantial driver of growth for the Company. Director since: 2013 Age: 61 Current Public Company Directorships: • Univar Solutions Inc. • Corteva, Inc. Celanese Corporation Hexcel Corporation Univar Solutions Inc.

HOW ALTERNATIVE POLYMERS COMPARE TO PA 6,6 PA 6 | POSSIBLE APPLICATIONS: Automotive, Industrial, Consumer & Sporting Goods Wider processing temperature range Better surface quality Better weathering resistance Shorter conditioning time—nearly half that of PA 6,6 Lower temperature resistance Slightly lower chemical resistance Higher water absorption Lower stiffness/wear resistance PK | POSSIBLE APPLICATIONS: Automotive, Consumer & Sporting Goods, Industrial, Electrical & Electronics Lower CO2 emissions in production Better hydrolysis and chemical resistance Comparable dimensional stability Inherently lubricious for reduced wear and friction Easier to mold Cost competitive Lower short- and long-term thermal performance Harder to color More limited process window PBT/PET | POSSIBLE APPLICATIONS: Electrical & Electronics Lower water absorption Slightly higher rigidity/stiffness (for PBT) Better abrasion resistance Slightly better electric resistance Lower toughness properties Higher density Lower short- and long-term temperature resistance Lower hydrolysis resistance PP | POSSIBLE APPLICATIONS: Automotive, Consumer Goods, Lightweighting Applications Lower water absorption Slightly better chemical resistance Lower density Cost effective Fiber reinforced PP can achieve similar or better mechanical properties to PA 6,6 GF30 Reduced rigidity/stiffness Much lower abrasion resistance Lower electric resistance Reduced short- and long-term temperature resistance PC/PBT & PC/PET BLENDS | POSSIBLE APPLICATIONS: Automotive Interiors, Consumer Goods, Household Appliances Higher impact strength Good scratch resistance Good wear resistance Lower mechanical properties Higher brittleness Narrow processing temperature range PA 6,6/PET BLENDS | POSSIBLE APPLICATIONS: Automotive, Industrial, Appliance, Electrical & Electronics, Applications Where Low Water Absorption is Required Reduced water absorption—up to 40% Slightly higher mechanical properties in the conditioned state Slightly lower temperature resistance Slightly lower chemical resistance Narrow processing temperature range PA/PP BLENDS | POSSIBLE APPLICATIONS: Automotive Interiors, Electronics, Consumer & Sporting Goods Good adhesion to polyolefin-based TPEs Low permeability of water Good processability Lower density Lower temperature resistance Lower mechanical properties POST-INDUSTRIAL RECYCLED SOLUTIONS (PA 6,6/PA 6/PP) | POSSIBLE APPLICATIONS: Automotive Accessories, Industrial, Consumer & Sporting Goods Between 50-80% recycled content Good processability Cost effective Reduced chemical resistance Wider range of mechanical specifications Potential for slightly lower mechanical properties 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation.

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