Level of Assurance and Qualifications: • Limited • This verification used a materiality threshold of ±5% for aggregate errors in sampled data for each of the above indicators GHG Verification Methodology: Evidence-gathering procedures included, but were not limited to: • Interviews with relevant personnel of Avient and their consultant; • Review of documentary evidence produced by Avient; • Review of Avient data and information systems and methodology for collection, aggregation, analysis and review of information used to determine GHG emissions; and • Audit of sample of data used by Avient to determine GHG emissions. Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. The verification team has extensive experience in conducting assurance over environmental, social, ethical and health and safety information, systems and processes, has over 20 years combined experience in this field and an excellent understanding of Apex’s standard methodology for the verification of greenhouse gas emissions data.

Tests are performed on pultruded coupons made to reflect the same fiberglass content and resin system as the production part. 1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation. Matrix Resin Fiber Reinforcement Fiber Content, by Weight (%) Epoxy E-CR or E-Glass >70% MATERIAL TECHNICAL DATA Property Test Procedure Rod Diameter 1.25 in (31.75 mm) 1.50 in (38.10 mm) Glass Transition Temp (Tg) ASTM 1356 100°C Minimum 100°C Minimum Water Absorption 24 hours at 50°C (122°F) ASTM D570 0.03% 0.03% Short Beam Strength (ILSS) ASTM 2344 8,400 psi (58 MPa) 9,200 psi (64 MPa) Transverse Shear Strength ASTM 7617 23,400 psi (160 MPa) 24,640 psi (170 MPa) Traceability Lot number shall be clearly marked on each package/shipment.

SAFETY EQUIPMENT MANUFACTURER R E S P I R A T O R A C C E S S O R Y P A R T S • Black color concentrate suitable for use in butyrate (PSU) • Low let down ratio (LDR) • Quick turnaround time • Offered compatibility with desired resin system in required color (Deep Black – OC9UFA) • Provided low usage rate of 1% LDR • Afforded immediate availability of sample for testing and ordering Omnicolor™ Multipurpose Colorants KEY REQUIREMENTS WHY AVIENT?

in aggregate principal amount of senior notes due 2025 (the "notes") in an offering exempt from the registration requirements of the Securities Act of 1933 (the "Securities Act"). View original content:http://www.prnewswire.com/news-releases/polyone-announces-pricing-of-650-million-5-75-senior-notes-due-2025--301049717.html

Please refer to Product Data Sheets for specific shrinkage values for each individual grade. Refer to the individual product technical data sheet for specific drying recommendations. Refer to the individual product technical data sheet for specific drying recommendations.

MAXXAM™ NHFR NON-HALOGEN FLAME RETARDANT POLYOLEFINS PRODUCT SELECTION GUIDE Maxxam™ NHFR Polyolefins – Homopolymers Disclaimer: The technical data provided here reflects the characteristic values of flame-retardant polypropylene materials and is not intended as a product specification. Product Name H15 H XF V2 70 MF5200-5004 NHFR V2 HS MF5200-5005 NHFR V2 RS H MF5200-5006 NHFR V2 RS HS H6 H XF H20 H XF H6 T/05 H XF H6 T/10 H XF H6 T/20 XF H6 GF/10 XF V070 H8 GF/20 XF H12 GF/25 H XF V0 70 H6 GF/30 XF PE H XF Polymer PP PE Flammability V2 V2 V2 V2 V0 V0 V0 V0 V0 V0 V0 V0 V0 V0 UL Listed No No No No No No No No No No No No No Yes Reinforcement Unfilled Unfilled Talc Talc Unfilled Unfilled Talc Talc Talc Glass Filled Glass Filled Glass Filled Glass Filled Unfilled Density (g/cm3) 1.03 0.9 0.98 1.05 1.07 1.06 1.08 1.15 1.16 1.11 1.25 1.32 1.35 1 MFI, 230°C/2.16 kg 13 20 23 20 5.5 20 6 6 6 6 7 12 5.5 E-Modulus (Tensile Modulus - Mpa) 1900 1500 2400 2600 2500 2500 2500 3000 3000 4300 6500 7500 8250 2000 Tensile Strength (Mpa) 25 30 32 30 26 20 26 25 23 55 70 75 78 20 Elongation (%) We also provide options for custom formulations using recycled polypropylene (PP) and polyethylene (PE). 1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation.

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All Rights Reserved 2025 Q1 2025 highlights Q1 2025 results Q1 2025 VS. All Rights Reserved 2025 18 Color, Additives & Inks – Q1 2025 performance Sales 515 520 Q1 2024 Q1 2025 EXCL. All Rights Reserved 2025 19 Specialty Engineered Materials – Q1 2025 performance Sales 314 308 Q1 2024 Q1 2025 Flat EXCL.

Nel caso in cui l'Acquirente non adempia a qualsivoglia obbligo di pagamento entro la relativa data stabilita, a decorrere dal giorno successivo a tale data, il Venditore avrà il diritto di addebitare interessi di mora su qualsiasi importo dovuto e non ancora pagato, ad un tasso che sarà il minore tra (i) il tasso ufficiale di riferimento registrato dalla Banca Centrale Europea in tale data, incrementato dell'8% e (ii) il tasso di interesse massimo applicabile ai sensi del diritto italiano alla stessa data. Buyer acknowledges that information in Seller’s marketing materials, technical data sheets and other descriptive publications distributed or published on its websites may vary from time to time without notice. Buyer acknowledges that Seller has furnished to Buyer Safety Data Sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product.

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