Strong balance sheet and free cash flow, as total cash and liquidity ended the year at $244 million and $574 million, respectively. The second independent source of data that we used to augment the peer proxy analysis was the Consultant’s analysis of competitive market data relating to other applicable general industries. The CEO makes his recommendations in conjunction with the marketplace data.

Wire & cable manufacturer WIRE & CABLE MANUFACTURER A E R O N A U T I C D A T A T R A N S M I S S I O N C A B L E S • Permanent contrast marking meeting aerospace industry standards SAE AS4373F and EN-3475-706 • Benign marking that, compared to infrared (IR) laser marking, will not damage the jacket surface • Elevated temperature performance in corrosive environments, maintaining dielectric properties under continuous service • No vital optical fiber or data transmission cable interference • Demonstrated fluorinated ethylene propylene (FEP) application expertise incorporating laser marks • Provided formulation expertise in PTFE alternatives • Delivered a high-quality product with no clumping during the extrusion process • Offered a proven array of specific aeronautic colors • Provided commercial, technical, and operational support KEY REQUIREMENTS APPEARANCE + PERFORMANCE WHY AVIENT?

Provides heat stabilization • Excellent balance of properties • Natural, black or custom colors Product Code - - - PX5430 B1 PX5435 B1 PX5440 B1 PX5450 B1 Reinforcement Type - - - Glass Glass Glass Glass Reinforcement % - % - 30 35 40 50 Specific Gravity 73°F (23°C) - ISO 1183 1.13 1.18 1.23 1.35 Tensile Strength Yield MPa ISO 527 102 105 113 130 Flexural Modulus 73°F (23°C) MPa ISO 178 6500 8000 9400 11,500 Notched Izod Impact 73°F (23°C) kJ/m2 ISO 180 9.4 9.3 11.0 12.0 Heat Deflection 264 psi °C ISO 75 152 152 153 154 Product Code - - - PP5120 B270-LO MFR g/10 min ISO 1133 12 Tensile Modulus MPa ISO 527 3320 Tensile Stress Yield MPa ISO 527 32 Tensile Elongation Yield % ISO 527 4.6 Tensile Elongation Break % ISO 527 17 Flexural Modulus MPa ISO 178 3000 Charpy Impact 73°F (23°C) kJ/m2 ISO 179/1eU 38 Heat Aging 150°C h VW 44045 700 hr VOC µg/g VDA 278 23.5 Fog µg/g VDA 278 30.5 Carbon Emissions µgC/g VDA 277 18 Odor Grade VDA 270 B3 3 10 Maxxam™ Filled & Reinforced A range of melt flows to process well in sheet extrusion, thermoforming, profile extrusion and blow molding operations Impact modified EXTRUSION & BLOW MOLDING POLYPROPYLENE Product Code - - - EP6713 EP6130 EP6430 EP5240 B145 EP7920 Reinforcement - - - Talc Mineral Glass CaCO3 Glass/ Mineral Reinforcement - % - 13 30 30 40 20 Specific 73°F (23°C) - ASTM D792 0.99 1.12 1.12 1.25 1.05 Tensile Yield psi ASTM D638 4800 4200 10,000 3600 6500 MPa ISO 527 31 29 69 35 45 Tensile Yield % ASTM D638 6 8 2 5 6 Break % ASTM D638 100 110 5 70 100 Flexural 73°F (23°C) psi ASTM D790 325,000 360,000 850,000 350,000 400,000 MPa ISO 178 2250 2400 5800 2400 2750 Notched 73°F (23°C) ft-lb/in ASTM D256 4.0 1.5 4.3 1.1 2.4 kJ/m2 ISO 180 20.0 8.0 24.0 6.0 13.0 Heat 66 psi °F ASTM D648 230 242 315 240 293 °C ISO 75 110 115 157 116 145 264 psi °F ASTM D648 130 158 270 140 212 °C ISO 75 54 68 132 60 100 111.866.POLYONE www.polyone.com EXTRUSION & BLOW MOLDING POLYPROPYLENE Maxxam™ Filled & Reinforced High Density Polyethylene Specifically designed for blow molding and sheet extrusion/thermoforming of structural parts.

C0.2 (C0.2) State the start and end date of the year for which you are reporting data. Percentage of emissions calculated using data obtained from suppliers or value chain partners 0 Please explain Upstream leased assets Evaluation status Relevant, calculated Metric tonnes CO2e 2,367 Emissions calculation methodology Upstream leased assets data includes data from leased vehicles provided by our leasing agencies of choice. Polymers 48 Purchased polymers data, broken out by polymer type, was obtained in weight.

Polystrand composite panels are made with continuous fiber reinforced thermoplastic face sheets thermally bonded or adhered to traditional core materials such as honeycomb, foam, aluminum, and nonwovens as reinforcement.

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.

MAJOR W&C PRODUCER C A T E G O R Y C A B L E • Flame retardance • Replace fluorinated ethylene propylene (FEP) • High tensile strength and high elongation at break • Low dielectric constant (Dk) of 2.7-2.9 for data signal integrity • Satisfied stringent UL 444 requirements with an FEP alternative to achieve cost savings • Mitigated regulatory concerns with comprehensive technical support during testing and commercialization • Met required melt strength parameters for efficient profile extrusion Maxxam™ FR Flame Retardant Polyolefin Formulations KEY REQUIREMENTS WHY AVIENT?

COLORMATRIX SELECT WILL ENABLE: • Immediate visibility of color performance and cost data for multiple formulation options • On-demand color supply • Full color choice with no minimum order quantities • Shorter development lead times enabling faster market access and multiple product introductions • Assured global color consistency • All the performance and process efficiency advantages of ColorMatrix advanced liquid colorants MANUFACTURERS TAKE CONTROL OF YOUR COLOR SUPPLY For manufacturers who use ColorMatrix Select will be able to create and order color formulations online in minutes. CONVENTIONAL COLOR DEVELOPMENT PROCESS REDEFINED COLOR DEVELOPMENT Direct online access to create new colors or view multiple color formulations matching your specification Full visibility on color accuracy data performance, price and regulatory status Order samples for dispatch within 24 hours On-demand color supply for production Color Supplier Designer Brand Target samples/ Target samples/ Matches Trials Manufacturer ApprovalsApprovals Trials Designer BrandManufacturer ColorMatrix Select Color Supplier Designer Brand Target samples/ Target samples/ Matches Trials Manufacturer ApprovalsApprovals Trials Designer BrandManufacturer ColorMatrix Select Multiple rounds of sampling, trials and approvals, usually over many weeks COLORMATRIX ADVANCED LIQUID COLOR SYSTEMS Not all liquid colors are the same!

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 (%)

Buyer acknowledges that Seller has furnished to Buyer Material Safety Data sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product.