Homepage // News Center // PolyOne Recognized at SPE Automotive Innovation Awards for New All-Plastic Temperature Sensor DETROIT – PolyOne was recognized last night at the SPE Automotive Innovation Awards ceremony for its participation in developing an all-plastic temperature sensor, which will be commercially introduced on the 2015 Ford Edge.

Annual Report | 2024 2 STOCK EXCHANGE LISTING Avient's Common Stock is listed on the New York Stock Exchange, Symbol: AVNT SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company, LLC 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2615 or 1-651-450-4064 www.shareowneronline.com Additional information about Avient, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.avient.com or free of charge from: Investor Relations Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Phone: 1-440-930-1000 ANNUAL MEETING The annual meeting of Avient will be held virtually via live webcast at 9:00 a.m.

Homepage // News Center // Avient Debuts Next-Generation Solutions to Facilitate Use of Recycled Plastics in Packaging Applications A first of its kind for the plastics industry, this internally developed solution also calculates how much PCR content can be added to an existing application without affecting its signature color.  Avient employs approximately 8,700 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.  

Solutions for co-extruded protective film, PET photovoltaic backsheet and PETG sleeves. Plastics provide tremendous benefits to our quality of life, but the challenges of plastic must not be ignored.   Plastics provide tremendous benefits to our quality of life, but the challenges of plastic must not be ignored.  

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.

Manufacturing Ease - ECCOH XL 8148 solutions enable fast processing speeds compared to alternatives and can be extruded using existing machinery.

EXTRUDER Screw 3/4" to 6" Polyethylene type—Single flight, no mixing section, 1.5–2:1 compression ratio Tooling Semi-Pressure type: 30°–40° angle Die On size with 1/8" or less land L/D 24:1 recommended Screen Pack No screen pack (Optional depending on pressure) Cooling Trough 120–150°F (50–65°C) recommended Feeder Gravimetric type preferred—3 compartment for cross-linked Dryer Desiccant type, 4 hours at 160°F (70°C) For ECCOH™ compound only; never put Dry Silane in Dryers PROCESSING Temperature ECCOH 5000 Series ECCOH 6000 Series Wire Preheat 180–250°F (80–120°C) 180–250°F (80–120°C) Feed Zones 200°F (93°C) 275°F (135°C) Transition 275°F (135°C) 325°F (163°C) Metering 300°F (150°C) 375°F (190°C) Head/Die 330°F (165°C) 420°F (215°C) Target Melt 330–340°F (165–170°C) 420–440°F (215–225°C) Flame at Die Tip Yes—as needed Line Speed Shear sensitive: Observe Melt Temperature, Motor Amperage, and Pressure Purge Compound HDPE Copyright © 2020, Avient Corporation.

KEY CHARACTERISTICS • Excellent lot-to-lot and within-lot consistency for high-quality homogeneous black shades • Easy processing and support of a long-lasting spin pack lifetime • Fastness properties and specification tolerances on par with high-end products on the market • Standard and bluish undertones available in high pigment loadings for an efficient and competitive coloration package • Can be combined with additives into a single combination concentrate for convenience • Compliance with global, regional, and local standards and regulations* RECOMMENDED USE • In most cases, the concentrate is added directly to the resin using gravimetric or volumetric dosing units; for some processes, the concentrate can be added via a side stream extruder (direct spinning) • The recommended dosages are from 3% for the typical automotive, technical, and carpet applications and up to 6% for apparel, footwear, and home textile yarns * Contact your local sales representative for more information on regulatory compliance PRODUCT BULLETIN Copyright © 2022, Avient Corporation.

PDI) on extruded profiles 2 ASTM D-638 3 ASTM 256 4 ASTM D-648 66 psi, unannealed, 0.125" 5 Savings depends on profile size and production volume Acrylite is a registered trademark of Evonik Performance Materials Lens Performance Resilience™ LS Frost PVC Acrylite® Satinice Frost PMMA Light Transmission1 at 0.060" (1.5mm) 83% Low Diffusion 78% Medium Diffusion 75% High Diffusion 81% Low Diffusion Diffusion Half Power Angle (DLD) 26° Low Diffusion 41° Medium Diffusion 58° High Diffusion 26° Low Diffusion Tensile Strength2 Tensile Modulus2 Tensile Elongation (break)2 7,360 psi 400,000 psi 20% 7,330 psi 330,000 psi 43% Flammability (UL 94) V-0 @ 1.5mm 5VA @ 2.0mm HB @ 1.6mm Notched Izod Impact (73°F)3 2.3 ft-lb/in 0.6 ft-lb/in Heat Deflection Temperature4 157°F/69°C 182°F/83°C UV Stability Good Excellent Chemical Resistance Excellent Good Typical Lens Profile Cost 10–15% Savings5 Baseline 1.866.POLYONE www.polyone.com Copyright © 2018, PolyOne Corporation.

Using a variety of metallic fibers and particles, these compounds have densities similar to traditional metals, while offering design and processing flexibility because of the polymer matrix, which can be extruded, molded, calendered, or thermoformed into the final desired shape.