Founded in 2003 by industry veteran and composite pioneer PlastiComp has steadily grown through its ability to replace metal and lightweight products with unique and complex long fiber technology (LFT) composite formulations.  We are very excited to accelerate commercial and operational investments to further expand this important composite technology as part of our advanced composites portfolio."

GUIDANCE DEBT / LEVERAGE REDUCTION • Completed sale of Distribution and paid down $750M of debt in November • Strong free cash flow in fourth quarter reduced leverage and enabled paydown of additional $200M of debt • Fixed/Floating Debt Ratio 63/37 • Proven track record of deleveraging following acquisitions through consistent free cash flow generation $725 $725 $725 $575 $500 $400 $600 $525 $425 $650 $650 $650 $600 $2.40B $2.20B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes After Distribution Divestiture Year-End Year-End Leverage 3.8x 3.1x 2.9x 2023 Notes After Avient Protective Materials Acquisition $3.15B 2022 TRANSFORMATIONAL PORTFOLIO ENHANCEMENTS 5 EBITDA margins expanded from 12% to 16% Diversified end markets with reduced exposure to more cyclical industries Dyneema® Acquisition $1.48B acquisition strengthens composites platform Significantly improved EBITDA margins $950M divestiture results in 100% specialty sales Strong exit multiple of 10x TTM EBITDA despite market volatility Distribution Divestiture Improved Portfolio GROWING COMPOSITES PLATFORM CONTRIBUTIONS TO SEM SEGMENT 6 Note: 2022 is pro forma for Avient Protective Materials 2016 Sales 2022 Sales Advanced Composites 51% $560M $1,300M Advanced Composites COMPOSITES PORTFOLIO D Y N E E M A ® E X P A N D S O U R E N G I N E E R E D F I B E R S A N D T A P E S T E C H N O L O G Y LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 7 ADVANCED COMPOSITES PERFORMANCE 8 (1) Pro forma for the acquisition of Avient Protective Materials $51 $84 $212 $668 $4 $10 $41 $169 (1) (1) PORTFOLIO EVOLUTION AND EPS EXPANSION 9 Adj. $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. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 29 EV / 2023E EBITDA Historic Multiple 6.5 8.3 10.0 15.6 13.9 13.7 12.8 9.5 18.0 17.5 12.3 10.2 9.7 8.8 8.4 5.9 (2 01 1) (2 01 8) SEGMENT DATA U.S. & Canada 40% 37% 18% Latin America 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Building and END MARKET REVENUE (1) Total company adjusted EBITDA of $592M includes corporate costs $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M 31 C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .4 B ILL ION US & Canada 34% 38% Latin America END MARKET REGION 32 34% 21% Building & 1% Energy 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 52% 35% REGION 33 19% 8%Industrial 16% Building & 32% 27% 14% Building & 3% 1% Defense 1% (18% of sales) 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET 27% 14% 17% Building & (37% of sales)Transportation 12% Building & US & Canada (40% of sales) 7% 56% 23% 7% Building & 1% LATAM (5% of sales) 3% 34 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

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BUILDING & CONSTRUCTION INDUSTRY BULLETIN SAFETY Security and prevention SOLUTION: Flame retardants, laser marking additives, electrical and thermal additives SURFACE FINISH Low maintenance, natural wood grain aesthetics SOLUTION: Wood plastic composite (WPC) capstock technology PROTECTION Potable water tanks, electrical connectors, piping & tubing, insulation SOLUTION: Antimicrobials, electrical and thermal additives LONGEVITY Long service life, chemical resistance, mold & mildew resistance SOLUTION: Weatherable colorants, impact modifiers, antimicrobial additives SUSTAINABILITY LEED building & material credits, healthy building, reduced energy use, lightweighting, eco-conscious SOLUTION: Recycled materials, chemical foaming agents, bio-derived colorants & additives LANDSCAPE HARMONY Concrete surfaces, patio coloring, stucco SOLUTION: Pool colorants, metallic flooring colorants, stains The building and construction industry is dynamic, with trends towards high- performance buildings, elegant outdoor areas, healthier living spaces, and eco-friendly environments. DESIGN & PROCESSING Material flexibility and customization, extrusion and molding optimization techniques SOLUTION: Advanced polymer science, application development, technical service VISUAL AESTHETICS Custom colors, deep shades, special effects SOLUTION: Metallic colorants, granite & woodgrain effects DURABILITY Wind & impact resistance, chemical resistance, weatherability SOLUTION: Scratch & mar resistant or IR/UV resistant additives, dimensional stabilizers TECHNOLOGY DESCRIPTION TYPICAL APPLICATIONS Antimicrobial Antimicrobial technology to limit microbe growth— reduces bacterial, mold and fungal growth on surface and through thickness, protecting finished part • Potable water equipment • Roofs & eaves • Decking, fencing & railings • High-touch surfaces • Bath surrounds, liners & inserts Scratch & Mar Resistance For applications requiring resistance to daily surface abrasion, and management of surface energy • Exterior fencing, decking, railings & shutters • Outdoor furniture • Playground equipment Flame Retardant Reduces spread of fire and heat release by creating a char to limit oxygen at the flame source • Wire & cable • Telecommunications • Decking, fencing & railings • Conduit • Exterior siding & cladding • Housings UV and Light Blocking UV stabilizers help mitigate the harmful effects of UV radiation while light blocking additives protect products sensitive to light • Exterior siding & cladding • Trim & moldings • Roofing, shingles, tiles • Outdoor furniture • Fencing, decking, railings & shutters Anti-static and Conductive Controls build-up of static charges to create static-dissipated parts while reducing related dust accumulation • Electrical connectors • Conduit or tubing • Junction boxes • Flooring • 5G enabling Chemical Foaming Agents Reduces weight and density without compromising mechanical properties • Exterior siding & cladding • Modular panels • Decking, fencing & railings Optimization Additives Cycle-time reducers that help optimize production while allowing improved dimensional stability and energy efficiency, among other processing benefits • Used in extrusion and injection molding processes to improve thermal conductivity, and lower processing temperatures and energy consumption Laser Marking Supports design and production flexibility and offers a new level of control in marking polymers with speed and clarity • Wire & cable • Outdoor furniture • Equipment & housings • Pipes & fittings Anti-counterfeiting Customizable in-plastic authentication technologies that enable positive identification versus counterfeit products • Wire & cable jacketing • Pipes & fittings • Telecommunications • Potable water equipment Wood Plastic Composite (WPC) Capstock Technology Pair with traditional WPC materials as a substrate for a durable outer layer • Exterior siding & cladding • Outdoor furniture • Fencing, decking & railings Sustainable Colorants & Color concentrates and additives carefully chosen to meet industry requirements and legislation, and designed to lower environmental impact while improving sustainability • Green building roofing • OSHA compliance • Sheet & profile extrusions • LEED building & material credits FX Special Effects Colorants Granite, marbling, woodgrain and other distinctive colorant technologies to provide special surface effects • Decorative molding • Chair or hand rails • Wallcovering • Blinds & shutters • Any surface or part demanding a distinctive look Pool Colorants Durable, long-lasting pigment formulations for finishes that hold up to pool water chemistries • Pool decks • Coping • In-ground swimming pools Metallic Flooring & Stain Colorants Colorants designed to give concrete floors and surfaces a distinctive appearance • Concrete flooring • Countertops • Decorative concrete • Walls While this listing represents many Avient solutions and addresses common applications, we can tackle many other building & construction needs.

Avient PlastiComp Complēt™ & OnForce™ long fiber composite pellets are manufactured using a pultrusion process.  This fiber to polymer bond is key to obtaining optimum performance and having a true composite material.  Finally, a pelletizer cuts the composite strands to a specified length.

Compare fiber properties and technical data Fiberglass Data Compare fiber properties and technical data

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