Solutions that Support the Circular Economy REDUCED ENERGY USE CESA™ Dry Additives CESA™ Release Additives OnCap™ CTR Process Optimization ColorMatrix™ Joule™ & Smartheat™ Infrared Absorber Specialty Low Cure Inks SiteCool™ Infrared Absorption Technologies BIO-DERIVED CONTENT reSound™ OM Bio-Derived Thermoplastic Elastomers reFlex™ Bio-Derived Plasticizer OnCap™ Bio Additives OnColor™ Bio Colorants reSound™ Natural Fiber Reinforced Formulations LIGHTWEIGHTING Glasforms™ Pultrusion Technologies Polystrand™ Continuous Fiber Composites IMPROVED RECYCABILITY CESA™ IR Black Additives CESA™ Extend Additives ColorMatrix™ Lactra™ SX Light Blocking Additive for PET ColorMatrix™ Ultimate™ UV Light Barrier ColorMatrix™ Capture™ Oxygen Scavenger for PET ColorMatrix™ Triple A™ Acetaldehyde Scavenging Additives ColorMatrix™ Reprize™ IV Builder for PET OnColor™ IR Sortable Black for Recyclable Packaging Bergadur™ Post-Industrial Recycled Content Polyester Formulations Nymax™ PIR Post-Industrial Recycled Nylon Formulations Maxxam™ FR Flame Retardant Polyolefin Formulations Predictions Gartner predicts circular economies will replace linear economies in 10 years, noting that supply chain leaders must adapt to circular models in order to keep up in a marketplace with a growing emphasis on sustainability.

Cesa™ Anti-Fog Additives Cesa™ Denesting Additives Additive Solutions for Biopolymers: Cesa™ Bio

Cesa™ Flame Retardant Additives Cesa™ Flame Retardant Additives key characteristics, target applications and impact. Cesa™ Stat Antistatic Additives

Cesa™ Low Retention Additives - Product Bulletin Elastomeric insert for automotive supplier created with d Onflex-S™ TPE styrenic block polymers for UV stabilization Cesa™ Aversive Technology

BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF AMENDMENT OF “CLARIANT PLASTICS & COATINGS USA LLC”, CHANGING ITS NAME FROM "CLARIANT PLASTICS & COATINGS USA LLC" TO "AVIENT COLORANTS USA LLC", FILED IN THIS OFFICE ON THE ELEVENTH DAY OF JANUARY, A.D. 2021, AT 10:39 O`CLOCK A.M.

Cesa™ Fiber Additives for Heat Preservation Today’s lifestyle tends to be more focused on outdoor sports and long-distance travel, developing more functional clothing is the key for brand owners and OEMs. Cesa™ Fiber Additives for heat preservation are the formulated additives to enhance the heat preservation performance of textiles with synthetic fibers according to the test standard GB/T 30127- 2013. Fabrics made with Cesa Fiber Additives can absorb more heat when exposed to simulated sunlight with the wavelength from 320 to 1100nm.

Cesa™ Low Retention Additives Cesa™ Low Retention Additives enable olefinic surfaces to easily repel water and fluids when at room temperature. KEY CHARACTERISTICS • Eliminates secondary coating operations • Easily delivers the last drop out of a container • Reduces residual content • Reduces production costs • Won’t impact visual clarity • Non-PFAS formulations available APPLICATIONS Cesa Low Retention Additives are suitable for any olefinic application that would benefit from the ability to repel water or fluids, including: • Labware, including pipette tips • Monofilaments • Industrial fixtures • Woven fibers • Platform mats • Molded optical lenses • Medical devices • Extruded films • Carpet fibers • Textiles PRODUCT BULLETIN

Cesa™ WithStand™ Antimicrobial Additives Cesa™ Fragrance Technologies Cesa™ WithStand™ Antimicrobial Solutions

POMMERLOCH, Luxembourg – February 4, 2025 – Today, Avient Corporation, an innovator of materials solutions, announced the launch of new stain-resistant additive concentrates as the latest addition to its Cesa™ Fiber Additives portfolio. The new Cesa stain-resistant solutions are innovative, additive concentrates that are formulated without fluorine-based raw materials and can prevent soils from setting in polyester fibers, enabling easy stain removal with common cleaners like wipes, sprays, or steamers. To learn more about Cesa stain-resistant concentrates, read our product overview here.

The new Cesa tracer concentrates contain special taggants that are incorporated into fibers during the spin-dyeing process and are customized to be unique for each customer and product line. The new Cesa tracer concentrates are currently available for polyester and polyamide (nylon) fibers, including recycled grades. Cesa fiber tracer concentrates comply with the fiber industry’s key regulatory requirements by EN, DIN, and UNI.