HIGHLIGHTS from 2023: Key Markets Key Customer Challenges • Improve fuel economy • Reduce energy consumption • Reduce carbon footprint • Lessening environmental impact Avient Solutions & Services • Specialty solutions designed to replace traditional materials (e.g. metal, wood) at lower weight • Alternative solutions to reduce emittance of volatile organic compounds • Lightweighting design and solutions to reduce material usage • Avient Design Ser vices to reduce weight or energy consumption REDUCE Consumer Transportation Building & Construction 20% LESS MATERIAL Lightweight Dashboards Hydrocerol™ Chemical Foaming Agents LEARN MORE REDUCES VOCs SmartBatch™ FX for Body & Trim Paint Replacement LEARN MORE 59% Air Cargo Nets Bio-Based Dyneema® Fiber LEARN MORE SUSTAINABLE DESIGN Design for Lightweighting Avient Design Services LEARN MORE LESS WEIGHT 60% EV Connectors Edgetek™ PKE Non-Halogen Flame Retardant Formulations LEARN MORE40% LED Lighting Components Therma-Tech™ Thermally Conductive Formulations LEARN MORE LESS CO 2 THAN NYLON LIGHTER THAN ALUMINUM LEARN MORE Avient Sustainability HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 43Sustainability Report | 2023 43 https://www.avient.com/products/polymer-additives/foaming-agents/hydrocerol-chemical-foaming-agents https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fx-paint-replacement-0 https://www.dyneema.com/sustainability/bio-based-dyneema-fiber https://www.avient.com/resource-center/services/avient-design https://www.avient.com/products/engineered-polymer-formulations/chemical-corrosion-resistant-formulations/edgetek-pke-polyketone-formulations https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations https://www.avient.com/company/sustainability/sustainable-solutions-portfolio PRESERVE Avient’s portfolio of PRESERVE sustainable solutions are designed to preser ve natural resources like water, protect human health and safety, and enable sustainable infrastructure.

FX) $429 $490 2021 2022E $3.05 $3.50 2021 2022E FY 2022 PERFORMANCE ( T O TA L C O M PA N Y ) 16 $4,819 $5,100 2021 2022E + 6% (+ 8% excluding FX) Adjusted EPS + 14% (+ 17% excluding FX) + 15% (+ 18% excluding FX) (in millions) (in millions) Sales Adjusted Operating Income 17 CAS H F LOW / L E VE RAGE ($ millions) 2022E Cash Flow from Operating Activities 400$ Less: Run-Rate CapEx (90) CapEx for Clariant Integration (10) CapEx for IT System Upgrade (15) Total CapEx (115) Free Cash Flow 285$ Adjusted EBITDA 635$ Net Debt / Adjusted EBITDA 1.7x D Y N E E M A A C Q U I S I T I O N 19 15x stronger than steel Reduces weight by 30% vs. other solutions Well-maintained global asset base poised to serve growing demand • Purchase price of $1.48B represents 11.4x multiple of 2022 EBITDA • Acquisition will expand Avient’s composites and fiber portfolio with Dyneema®, the World’s Strongest Fiber™ • $415M sales and 30%+ EBITDA margins; Immediately accretive to pro forma 2022 EPS, adding $0.35 • 1,300 patents globally, ~50% of sales patent protected • 1,000+ employees across global production network and dedicated technology centers • Composites platform will increase from $261M to $680M in revenue and from $49M to $180M in EBITDA Indicates Dyneema ® location $175M (42%) $65M (16%) $175M (42%) 2022E Sales By Region ($M) (1) $0.35 EPS excludes intangible amortization (2) Based on 2022 expected results (1) (2) (2) F I T W I T H F O U R P I L L A R S T R AT E G Y 20 Specialization • Innovation-led organization with tremendous intellectual property value in trademarks, patents and “know-how” • Deep history of application development and premium, leading brand with the World’s Strongest FiberTM Globalization • Global customer base with an established presence across all major geographic regions • Global technology centers complement existing Composites applications and expertise Operational Excellence • Best-in-class safety performance • Well-run and maintained asset base fit to serve future growth • Highly effective and reliable supply chain with emphasis on optimizing service to customers Commercial Excellence • Deep customer relationships extend across the value chain and drive ability to grow • Offer a full suite of services with an active role in design, development and commercialization People Experienced and talented associates with a passion for safety, specialization and winning DY N E E M A ® OV E RV I E W K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders Body Armor • Helmets • Vehicle Protection $215M MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes $130M CONSUMER Consumer • Outdoor High Performance • Safety Equipment $70M 21 Figures reflect 2022 expected sales MIFOverview Competition Value chain & Go-to-market Strategy Innovation Financials TECHNOLOGY 22 1,200 1,300 2,500 Avient Dyneema Combined Patents • True specialty business – the World’s Strongest Fiber™ • Deep history of application development with customers, strongest in the industry • The only UHMwPE (ultra-high molecular weight polyethylene) fiber producer that is backward integrated o Provides innovation advantage through control of all steps of the process • Complementary with our existing reinforced film expertise (PolyStrand) and engineered fiber presences (Fiber-Line) WINNING PROPERTIES Ultra high strength vs. weight Highly flexible Floats on water Chemically inert; no smell/taste and non-toxic High resistance to UV radiation Self-lubricating, with low friction One-of-a-kind technology ® FORMULATION PROCESS 23 • Like Avient, Dyneema® offers similar core competencies around formulation and material science • Technology that combines polymers and fibers to provide specialized, high performing solutions for customers • Design capabilities ensure that applications are highly customized for the specified end use DYNEEMA ® IN THE VALUE CHAIN 24 UHMwPE Fiber / Tapes Military Personnel, Law Enforcement Heavy Marine, Offshore Wind Energy and Mooring, Aquaculture Outdoor, Footwear, Apparel, Inflatables • Material Science • Formulation • Service INTERMEDIATE MANUFACTURING (CUSTOMERS) OEM / APPLICATION DEMAND TRENDS 25 • Military spending and near-term demand for higher performing personal protection products (like Dyneema®) expected to increase o European NATO members annual defense spend expected to increase by up to 20%(1) o Japan aiming to almost double defense spending over the next 5 years(2) o Accelerated launch of next generation technology in North America • Policy-driven demand for sustainable energy; growth in floating offshore wind farms which require advanced, durable technology o Offshore wind expected to grow at a CAGR of 32% with the level of annual installations quadrupling over the next five years(3) • Continued investment in aquaculture as a sustainable food source(4) • Strong demand in outdoor high performance space across niche consumer applications aligns with 10% growth assumption for Avient’s Composites portfolio Sources: (1) “Funding NATO”, NATO.int (April 1, 2022) (2) “Japan Ruling Party Calls for Defense Spending Boost to 2% of GDP”, WSJ (April 21, 2022) (3) “Global Wind Report 2021”, Global Wind Energy Council (4) “Aquaculture Supports a Sustainable Earth”, NOAA Fisheries 26 A L I G N M E N T W I T H S U S T A I N A B I L I T Y G O A L S P RO D U C T S AVIE NT ’S E XIS T ING COM P OS IT E S P ORT F OL IO D I V E R S E C A P A B I L I T I E S A N D S O L U T I O N S S E R V I N G M A N U F A C T U R E R S A N D O E M S LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 27 AV I E N T ’ S C O M P O S I T E S P O RT F O L I O S A L E S A N D E B I T DA 28 $74 $84 $216 $212 $261 $5 $10 $32 $41 $49 $180 0 50 100 150 200 $- $50 $100 $150 $200 $250 $300 $350 $400 $450 $500 $550 $600 $650 $700 $750 2017 2018 2019 2020 2021 2022E $680 ($ in millions) • Dyneema® acquisition will further improve Composites EBITDA margins to 26% • Dyneema® will complement our existing portfolio with deep formulation expertise, innovative culture and global commercial presence • Composites will continue to be a key growth driver to deliver future revenue growth in excess of GDP (1) Pro forma for the acquisition of Dyneema® (1) D I S T R I BU T I O N D I V E S T I T U R E C O N S I D E R AT I O N S D I S T R I BU T I O N H I G H L I G H T S 30 $21 $57 $69 $94 $105 0 50 100 150 2006 2011 2016 2021 2022E • Leading North American Distribution business with longstanding blue-chip supplier and customer relationships • Commercial excellence and regulatory knowledge have grown healthcare portfolio to over 25% of sales and positioned business for long-term growth • Highly specialized portfolio of engineered polymers along with sustainable solution offerings • Leading digital capabilities through Avient Now, allowing enhanced visibility and 24/7 interface with customers • 98% free cash flow conversion drives greater than 30% after-tax return on invested capital (ROIC) • Potential divestiture allows us to remain modestly leveraged with net debt to adjusted EBITDA expected to be 2.9x and positions us for further specialty growth in the future EBITDA (in $M) DY N E E M A ® T R A N S AC T I O N OV E RV I E W 31 - $1.48B net purchase price - Represents 11.4x expected 2022 EBITDA - Committed financing in place - Permanent financing to be combination of available cash on-hand, new Senior Unsecured Notes, new Senior Secured Term Loan - Potential proceeds from Distribution divestment could be used to pay down near-term maturing debt - Closing expected in second half of 2022, subject to regulatory approvals and certain customary closing conditions Transaction Value Financing Closing Conditions / Timing C A P I TA L S T RU C T U R E / L E V E R AG E 32 • Financing commitments secured from Morgan Stanley and J.P.

HIGHLIGHTS from 2023: Key Markets Key Customer Challenges • Improve fuel economy • Reduce energy consumption • Reduce carbon footprint • Lessening environmental impact Avient Solutions & Services • Specialty solutions designed to replace traditional materials (e.g. metal, wood) at lower weight • Alternative solutions to reduce emittance of volatile organic compounds • Lightweighting design and solutions to reduce material usage • Avient Design Ser vices to reduce weight or energy consumption REDUCE Consumer Transportation Building & Construction 20% LESS MATERIAL Lightweight Dashboards Hydrocerol™ Chemical Foaming Agents LEARN MORE REDUCES VOCs SmartBatch™ FX for Body & Trim Paint Replacement LEARN MORE 59% Air Cargo Nets Bio-Based Dyneema® Fiber LEARN MORE SUSTAINABLE DESIGN Design for Lightweighting Avient Design Services LEARN MORE LESS WEIGHT 60% EV Connectors Edgetek™ PKE Non-Halogen Flame Retardant Formulations LEARN MORE40% LED Lighting Components Therma-Tech™ Thermally Conductive Formulations LEARN MORE LESS CO 2 THAN NYLON LIGHTER THAN ALUMINUM LEARN MORE Avient Sustainability HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 43Sustainability Report | 2023 43 https://www.avient.com/products/polymer-additives/foaming-agents/hydrocerol-chemical-foaming-agents https://www.avient.com/products/polymer-colorants/color-additive-combination-masterbatches/smartbatch-fx-paint-replacement-0 https://www.dyneema.com/sustainability/bio-based-dyneema-fiber https://www.avient.com/resource-center/services/avient-design https://www.avient.com/products/engineered-polymer-formulations/chemical-corrosion-resistant-formulations/edgetek-pke-polyketone-formulations https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations https://www.avient.com/company/sustainability/sustainable-solutions-portfolio PRESERVE Avient’s portfolio of PRESERVE sustainable solutions are designed to preser ve natural resources like water, protect human health and safety, and enable sustainable infrastructure.

Seller shall not be subject to any liability or damages for delay in performance or non- performance as a result of fire, flood, ice, natural catastrophe, pandemic, strike, lockout, labor shortage, labor dispute or trouble, accident, riot, act of governmental authority, act of God, war, act of terrorism (including cyber-terrorism and ransomware attacks), or other unforeseen and impossible to resist contingencies and/or circumstances, interfering with the production, supply, transportation, or consumption of the Products or with the supply of any raw materials used in connection therewith, or the inability of Seller to purchase raw materials at a commercially reasonable price, or if performance would be contrary to, or constitute a violation of, any regulation, law, or requirement of a recognized government authority, and quantities so affected may be eliminated by Seller from this contract without liability or damages to Seller, but this contract shall otherwise remain unaffected.

With excellent chemical resistance, low moisture uptake, high dimensional stability, and superior impact and wear resistance, these formulations are ideal for demanding applications in industrial, electrical/electronics, and transportation sectors. For example, to meet the customer needs within healthcare industry in 2022, Avient launched Trilliant HC Glass Filled Polyketone, a lower carbon footprint alternative to traditional nylon materials that meets dimensional stability, impact and wear resistance requirements, while enabling the customer to address consistency of supply and sustainability objectives.