Product Product Type Initiation Optimum Gas Yield Gas Yield POWDER Hydrocerol BIH PEAUFF Endo 140 160 140–150 EVA, polyethylene, PE copolymers, TPEs/TPOs, PVC Hydrocerol Compound EMASAD Endo 140 200 135–145 Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM, PVC Hydrocerol HK EMA0766025 Endo 200 210 135–145 Polypropylene, styrenes, acrylics, Hydrocerol 1480 EMA0766027 Endo-Exo 140 180 240–259 EVA, polyethylenes, PE copolymers, TPEs/TPOs, styrenes, acrylics, PVC Product Product Type Initiation Optimum Gas Yield Gas Yield MASTERBATCH Hydrocerol 862 PLASAD Endo 140 160 10–20 • Sink mark removal EVA, polyethylene, PE compolymers, Hydrocerol BIH-40-E PLASAF Endo 140 160 55–65 EVA, polyethylene, PE compolymers, Hydrocerol 1004 PEAUFQ Endo 140 160 80–90 • Weight reduction EVA, polyethylene, PE compolymers, Hydrocerol CF-5-E PEASCF Endo 140 200 5–10 • Sink mark removal Polyethylene, polypropylene, TPEs/TPOs, styrenes, Hydrocerol 1602 PRASAD Endo 140 200 50–60 Polyethylene, polypropylene, TPEs/TPOs, styrenes, Hydrocerol PEA0820021 PEA0820021 Endo 140 200 25–35 Styrenes Hydrocerol PEA08200095 PEA0820095 Endo-Exo 140 180 100–120 PVC Hydrocerol ITP-820 PRAN698588 Endo 200 210 5–10 • Sink mark removal EVA, polyethylene, PE copolymers, TPEs/TPOs, PVC Hydrocerol HK-40-E PLASAH Endo 200 210 55–65 Polyethylene, polypropylene, TPEs/TPOs, styrenes, acrylics, TPUs, POM, PVC Hydrocerol CT-3205-B OMA0698633 Endo 200 210 50–60 PLA Hydrocerol 1135 PEAN698616 Exo 170 190 20–30 • Sink mark removal Polyethylene, polypropylene, TPEs/TPOs, styrenes, Hydrocerol 8418M PHA0698418 Exo 170 190 50–60 Polyethylene, polypropylene, TPEs/TPOs, styrenes, Product Product Type Initiation Optimum Gas Yield Gas Yield MASTERBATCH Hydrocerol 141 PEASCH Exo 200 210 10–20 • Sink mark removal Polypropylene, styrenes, acrylics, Hydrocerol 1191 PRAN698433 Exo 200 210 55–65 Polypropylene, styrenes, acrylics, Hydrocerol NBA0820012 NBA0820012 Exo 240 260 25–35 Polyesters, high-temperature resins Hydrocerol XH-901 SAASCC Exo 240 260 30–40 Polycarbonate blends, polycarbonate, high-temperature resins Hydrocerol 1376-4 PRAN698541 Endo-Exo 200 210 90–100 Polypropylene, styrenes, acrylics, polyamides, PVC LIQUID Excelite FA-37 CC10212522 Endo-Exo 120 140 65–75 • Weight reduction/ WPC Polyethylene Excelite PF-1 CC01053625 Endo-Exo 120 140 55–65 • Weight reduction Vinyl Excelite FA-185 CC10303252 Endo 140 200 75–85 • Weight reduction • Direct gas assist Polyolefin Excelite Foam PPRO CC10250288 Endo 160 200 50–60 • Weight reduction • Warpage reduction Polypropylene Excelite FA-77 CC10232527 Endo-Exo 120 140 85–95 • Weight reduction/ WPC Polyethylene Excelite FA-108 CC10290626 Endo 180 200 55–65 • Weight reduction • Sink mark removal Polyolefin Excelite FA-112 CC10313065 Endo 140 200 50-60 • Weight reduction • Sink mark removal Polyolefin 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

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EXTRUDER Screw 1½" to 6" Polyethylene type—Maddock; 3:1 compression ratio Tooling Pressure type Die On size with 1/8" or less land L/D 24:1 or higher Screen Pack 20/60/60/20 Mesh Cooling Trough Hot 120–150° F (50–65° C) Feeder Gravimetric type—3 compartment (for color) Drying Conditions, Catalyst Only Desiccant type, 4 hours at 140° F (60° C) PROCESSING Temperature Wire Preheat 180–250° F (110–120° C) Feed Zones 330° F (165° C) Transition 340° F (170° C) Metering 350° F (177° C) Head/ Die 360° F (182° C) Target Melt 350–380° F (177–190°C) Flame at Die Tip Yes Line Speed Higher line speed improves mixing and surface smoothness Purge Compound HDPE To learn more about Syncure XLPE wire and cable solutions, contact us at +1.844.4AVIENT (1-844.428.4368) www.avient.com Copyright © 2020, Avient Corporation.

PRODUCT BULLETIN 1.00E+00 1.00E+02 1.00E+04 1.00E+06 1.00E+08 1.00E+10 1.00E+12 1.00E+14 1.00E+16 1.00E+18 0 10 20 30 40 50 60 70 R e si si ti v it y /O h m Silcosperseä EC dosing percentage (%) CB HCR SWCNT HCR SWCNT LSR MWCNT HCR aceSurface Resistivity Silcosperse™ EC Electrically Conductive Additive Dispersions Silcosperse™ EC Electrically Conductive additive dispersions provide varying levels of electrical conductivity to silicone material. CB is also available as a European food regulation compliant grade. 0 10 20 30 40 50 60 70 1.00E+18 1.00E+16 1.00E+14 1.00E+12 1.00E+10 1.00E+08 1.00E+06 1.00E+04 1.00E+02 1.00E+00 INSULATIVE ANTISTAT DISSIPATIVE CONDUCTIVE KEY CHARACTERISTICS • Delivers a range of properties from anti-static through conductive • Achieves greater conductivity levels with lower loadings in single- and multi-wall nanotubes • Anti-static performance available at lower doses • Dark color options, such as browns, blues or reds, available at lower dosages in single-wall nanotubes • Suitable for peroxide- or platinum-cured silicone formulations MARKETS AND APPLICATIONS Silcosperse EC Electrically Conductive additive dispersions are found in a variety of markets, including transportation, energy, electrical & electronics, and the films & coatings industry.

Má-li Kupující námitky týkající se faktury, je povinen o tom Prodávajícího informovat do sedmi (7) pracovních dnů od data jejího vystavení. Ochrana údajů Kupující tímto souhlasí, že veškeré údaje související s obchodním vztahem mezi Kupujícím a Prodávajícím mohou být Prodávajícím zpracovávány v souladu s příslušnými právními předpisy. 20.

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Revised: December 20, 2024 AVIENT CORPORATION Securities Trading Policy 1. The potential penalties are severe and may include a jail term of up to 20 years, a fine of up to $5,000,000 and a civil penalty of up to three times the profit gained or loss avoided. 16. Revised: December 20, 2024 ANNEX A COVERED EMPLOYEES All Directors All Elected Officers All Appointed Officers Assistant Controller Executive Assistants to Covered Employees Corporate Communications/Investor Relations (all levels) Internal Audit VP, Directors, Managers and Staff of Audit (all levels), Tax Managers and Tax Analysts, Staff of Tax (all levels) Directors, Managers and Staff, Mergers and Acquisitions and functional professionals supporting Mergers and Acquisitions (including Legal professionals) All Other Employees (including Finance and IT employees) with access to full quarterly results within the Avient Systems Secretaries and Direct-Reporting Assistants to any Covered Employee Financial and Business Consultants who have undertaken to comply with this policy Revised: December 20, 2024 ANNEX B Please access the PeopleLink home page and search for “pre-clearance” after clicking “My Help” General Counsel: Amy M.

TEMPERATURE Material Rear Center Front Nozzle Melt Mold Nylon 6,6 540–570 530–560 530–560 540–570 540–570 200–300 (90–150) Nylon 6,6 30% SS 540–570 530–560 530–560 540–570 540–570 200–300 (90–150) PBT 510–410 (265–280) 490–540 (255–280) 480–530 480–530 480–530 150–250 (65–120) PC 14% NiCF 540–570 540–570 530–560 530–560 530–560 150–250 (65–120) ABS 470–520 460–520 460–520 460–530 (240–275) 460–530 (240–275) 100–200 (40–90) PP 440–480 (225–250) 440–480 (225–250) 430–470 (220–245) 420–460 (215–240) 420–460 (215–240) 125–175 (50–80) DRYING Material Temperature °F (°C) Time Minimum Moisture Maximum Moisture Nylon 6,6 14% NiCF 180 (80) 4–5 hours 0.05% 0.20% Nylon 6,6 30% SS 180 (80) 4–5 hours 0.05% 0.20% PBT 14% NiCF 250 (120) 6-8 hours 0.02% 0.03% PC 14% NiCF 250 (120) 3–4 hours 0.02% 0.02% ABS 14% NiCF 200 (90) 2–4 hours 0.05% 0.10% PP 14% NiCF 180 (80) 2–4 hours 0.20% 0.30% Equipment • Feed throats smaller than 2.5" may cause bridging due to pellet size - Larger feed throats will be more advantageous with long fiber EMI shielding resins • General purpose metering screw is recommended - Mixing/barrier screws are not recommended • L/D ratio - 18:1–20:1 (40% feed, 40% transition, 20% metering) • Low compression ratio - 2:1–3:1 • Deep flights recommended - Metering zone 3.5 mm - Feed zone 7.5 mm • Check ring - Three-piece, free-flowing check ring • General purpose nozzle (large nozzle tips are recommended) - Minimum orifice diameter of 7/32" - Tapered nozzles are not recommended for long fiber EMI shielding resins • Clamp tonnage: - 2.5–5 tons/in2 Gates • Large, free-flow gating recommended - 0.25" x 0.125" land length - 0.5" gate depth Runners • Full round gate design • No sharp corners • Minimum of 0.25" diameter • Hot runners can be used PROCESSING Screw Speed Slower screw speeds are recommended to protect fiber length Back Pressure Lower back pressure is recommended to protect fiber length Pack Pressure 60–80% of max injection pressure Hold Pressure 40–60% of max injection pressure Cool Time 10–30 seconds (depends on part geometry and dimensional stability) PROCESS CONSIDERATIONS Recommended – retain fiber length (maximize conductivity) • Low shear process • Low screw speed and screw RPM • Slow Injection speed • Fill to 99–100% on first stage of injection - Reduces potential nesting of fibers at gate location - Improves mechanical performance near gate location - Promotes ideal fiber orientation Resin Rich Surface • Achieved when using a hot mold temperature and longer cure times ≥ Max mold temperature recommendation • Improved surface aesthetic • Reduced surface conductivity • Could reduce attenuation performance in an assembly Fiber Rich Surface • Achieved when using a cold mold temperature and shorter cure times ≤ Minimum mold temperature recommendation • Improved surface aesthetic • Reduced surface conductivity • Could improve attenuation performance in an assembly www.avient.com Copyright © 2020, Avient Corporation.

Thomason, The Influence of Fibre Length and Concentration on the Properties of Glass Fibre Reinforced Polypropylene, pages 1641- 1652, 2002, under license from Elsevier Science Ltd. 1.0mm0.1mm 10mm 100mm Fiber Length Qualitative Influence of Fiber Length 0% 20% 40% 60% 80% 100% P er fo rm an ce L ev el Short Fiber Long Fiber Sti�ness Strength Toughness Design Integration Composite Process 1.0mm0.1mm 10mm 100mm Fiber Length Qualitative Influence of Fiber Length 0% 20% 40% 60% 80% 100% P er fo rm an ce L ev el Short Fiber Long Fiber Sti�ness Strength Toughness Design Integration Composite Process DELIVERING SUSTAINABILITY THROUGH LIGHTWEIGHTING Long fiber reinforced polymers have a high strength-to-weight ratio, which provides structural performance at a fraction of the weight of metals.

With nearly 20 years of experience in R&D and scientific leadership, Dr.