Injection Molding Parameters Base Resin PA6 PA6 IM/ST PA6 GF PA6 GMF PA66 IM/ST PA66 GF Barrel Temperatures °F (°C) Rear Zone 450–490 (232–254) 440–490 (226–254) 490–510 (254–265) 480–500 (249–260) Center Zone 460–500 (238–260) 450–500 (232–260) 500–520 (260–271) 490–510 (254–265) 520–540 (271–282) Front Zone 470–510 460–510 (237–265) 500–520 (260–271) Nozzle 480–520 (249–271) 470–510 515–530 (268–276) 530–560 (276–293) 540–560 (282–293) Melt Temperature °F (°C) 480–520 (249–271) 470–510 515–530 (268–276) 540–560 (282–293) Mold Temperature °F (°C) 120–180 (49–82) 120–180 (49–82) 120–200 (49–93) 120–200 (49–93) 140–220 (60–104) 140–220 (60–104) Pack and Hold Pressure 50–80% of Injection Pressure Injection Velocity 1.0–4.0 in/sec Back Pressure 25–100 psi Screw Speed 35–80 rpm Drying Parameters 4 hours @ 180°F (82°C) Moisture Allowable 0.1–0.2% Cushion 0.250 in Screw Compression Ratio 2.0:1–2.5:1 Nozzle Type Reverse Taper Clamp Pressure 3–5 tons/in2 Processing Guide 3 Start Up & Shut Down Recommendations Purge Compound Polypropylene Recycling Recycling prime grades up to 20% is permissible and recycling PIR or PCR grades up to 10% is permissible. Gate diameters should be equivalent to 50–80% of the average wall thickness. 3.

Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources 33587 Walker Road Avon Lake OH 44012 United States Kornkamp 50 Ahrensburg Schleswig- Holstein 22926 Germany Avient Corporation - Albany Design and Manufacture of Colorants and Additives for Plastics 4 Rothwell Ave, PO Box 300-009 Auckland 0632 New Zealand Avon Lake Color Design and Manufacture of Specialty Engineered Thermoplastics 33587 Walker Road, Building 416 Avon Lake OH 44012 United States Avient Corporation Design and Manufacture of Specialty Engineered Thermoplastics Pol. Mariana Langiewicza 50, 95- 050 Konstantynow, Poland Avient Corporation - Korachi, Sindh Pakistan Design and Manufacture of Colour and Additive Concentrates, 1-A/1, Sector-20 , 74900 Korachi, Pakistan Avient Corporation Design and Manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds Hohenrhein 1 Lahnstein Rheinland- Pfalz 5612 Germany Avient Corporation Design & Manufacturing of Colour and Additive Concentrates.

Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Distribution business DYN E E MA ACQ U I S I T I O N 32 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) FIT WITH FOUR PILLAR STRATEGY 33 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 DYNEEMA® OVERVIEW 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 34 Figures reflect 2022 expected sales MIFOverview Competition Valuechain & Go-to-market Strategy Innovation Financials TECHNOLOGY 35 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 36 • 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 37 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 38 • 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 39 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 PRODUCTS AVIENT’S EXISTING COMPOSITES PORTFOLIO 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 40 AVIENT’S COMPOSITES PORTFOLIO SALES AND EBITDA 41 $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 • 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® SEGMENT DATA U.S. & Canada 50% Latin America 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% Building and END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $4,819M and $581M, respectively, include intercompany sales eliminations and corporate costs $2,402M $409M $919M $164M $1,631M $94M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $581M$4,819M 43 34% Building & 1% Telecommunications C O L O R , A D D I T I V E S & I N K S 2021 REVENUE | $2 .4 BILLION 32% 40% Latin America END MARKET REGION 44 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 27% Building & 2021 REVENUE | $919 MILLION END MARKET 55% REGION 45 D I S T R I BU T I O N 26% Building and 80% 3% Latin America END MARKET REGION K EY SU PPL IER S 2021 REVENUE | $1 .6 BILLION 46 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET 30% 26%Healthcare 14% Building & 2% Energy (16% of sales) 32% Building & (25% of sales) 47 19% Building & US & Canada (50% of sales) 38% 33% Building & LATAM (9% of sales) 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.

Instead of purchasing pre-fabricated acrylic sheet that contained a costly diffusion additive, the Smartbatch solution enabled the customer to reduce its material costs by 50%.

The third profile was also 41% lighter than aluminum, with a 50% increase in flexural stiffness, and maintained torsional rigidity slightly better than that of aluminum.

EXTRUSOR Tornillo 1½" to 6" para polietileno—Maddock; relación de compresión 3:1 Cabezal De presión Dado Del tamaño adecuado para una hilera de 1/8" o menos L/D 24:1 o superior Paquete de mallas Malla de 20/60/60/20 Canal de enfriamiento 50–65°C Alimentador Gravimétrico—3 compartimentos (para el color) Condiciones de secado, solo para catalizador Desecante, 4 horas a 60°C PROCESAMIENTO Temperatura Precalentamiento del alambre 110–120°C Zonas de alimentación 165°C Transición 170°C Dosificación 177°C Cabezal/dado 182°C Material fundido 177–190°C Llama a la punta del salida del dado Sí Velocidad de la línea La velocidad superior de la línea mejora mezclado de los dos compuestos y apariencia superficial del dislamiento de la superficie Compuesto de purga HDPE www.avient.com Copyright © 2020, Avient Corporation.

EXTRUSOR Tornillo 3/4" a 6" para polietileno, de filete sencillo y sin sección de mezcla, Relación de compresión 1.5–2:1 Cabezal De presión media: ángulo de 30° a 40° Dado Del tamaño adecuado para una hilera de 1/8" o menos L/D 24:1 recomendado Paquete de mallas Sin paquete de mallas (opcional según la presión) Canal de enfriamiento 50–65°C recomendado Alimentador Preferentemente gravimétrico—3 compartimentos para cross-linked Secador Desecante, 4 horas a 70°C, para el compuesto ECCOH™ solamente; nunca se debe colocar silano seco en los secadores PROCESAMIENTO Temperatura ECCOH Serie 5000 ECCOH Serie 6000 Precalentamiento del alambre 80–120°C 80–120°C Zonas de alimentación 93°C 135°C Transición 135 °C 163°C Dosificación 150°C 190°C Cabezal/dado 165°C 215°C Material fundido 165–170°C 215–225°C Llama a la salida del dado Sí, según sea necesario Velocidad de la línea Sensible a la cizalla: Observar temperatura de fusión, amperaje del motor y presión Compuesto de purga HDPE +1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.

Zone 2 - Center 420°F 460°F 215°C 235°C Zone 3 - Front 430°F 470°F 220°C 240°C Nozzle 440°F 480°F 225°C 250°C Melt & Mold Temperatures English (°F) Metric (°C) Comments Melt Temperature 440°F 480°F 225°C 250°C Wipe down mold surface after each production run.Mold Temperature 125°F 200°F 50°C 90°C Notes These guidelines are based on lab results, and their values may not reflect actual processes using different machinery.

PRODUCT BULLETIN KEY BENEFITS Avient’s antimicrobial concentrates for fiber applications provide the following benefits: • High active-ingredient loading which translates to excellent efficacy at low let-down ratios • Easily withstand 50 washings in ISO 20743 standard tests • Also applicable for bi-component technology • Low levels of abrasiveness means higher process performance—reducing cost in the spinning phase • Can be combined with colors and with other additives (e.g., flame retardants) into a single combination concentrate for convenience • Product guidance and technical assistance from our experts Copyright © 2022, Avient Corporation.

Product ID FIBER-LINE® Coating Base Fiber Tensile Strength Load at 1% Elongation Absorption Capacity 2.3 mm FRP Swellcoat® Fiberglass ≥ 5115 N ≥ 2100 2.5 – 4.5 g/m .60 mm ARP N/A Kevlar® ≥ 340 N ≥ 165 N N/A 5.00 mm FRP N/A Fiberglass ≥ 24041 ≥ 9617 N/A .40 mm ARP N/A Kevlar® ≥ 210 N ≥ 95 N N/A .50 mm FRP Swellcoat® Fiberglass ≥ 300 N ≥ 130 ≤ 1.0 g/m POPULAR FRP ROD PRODUCTS LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.