Política Global contra el Soborno y la Corrupción de Avient Emitida: 1 de julio de 2020 Nuestra Política Global contra el Soborno y la Corrupción 1 Importancia del cumplimiento 1 Nuestra responsabilidad 1 ¿Qué es un soborno? 2 Soborno de funcionarios gubernamentales 2 Soborno comercial 3 Pagos de facilitación y comisiones 3 Trabajo con agentes, distribuidores y otros terceros 3 Proceso de diligencia debida y aprobación 3 Señales de alarma 4 Requisitos contables y de mantenimiento de registros 4 Informes de posibles infracciones 4 Línea Directa de Ética de Avient 5 Protección contra represalias 5 Referencia rápida: PUNTOS DEBE Y NO DEBE DE LA POLÍTICA ABAC 6 1 Nuestra Política Global contra el Soborno y la Corrupción Avient prohíbe estrictamente el fraude, el soborno y otras prácticas comerciales corruptas en todas nuestras operaciones comerciales en cualquier lugar del mundo. Funcionarios y empleados de empresas del gobierno/ estatales empresas comerciales gubernamentales/ estatales, incluidas las entidades bajo propiedad parcial 3 • Directores y empleados de organizaciones públicas internacionales como Naciones Unidas.

The company noted that GAAP EPS includes $0.24 of special items (see Attachment 3) and $0.16 of intangible amortization expense (see Attachment 1). Eastern Time on May 3, 2023. 3 Webcast Details Avient will host a webcast on Wednesday, May 3, 2023 at 8:00 a.m. See Attachment 3 for a definition and summary of special items.

MEVOPUR Bio-based Solutions Application Bulletin_CN5.30-1 生物基聚合物解决方案 可持续发展关注的焦点 生物聚合物 应用公告 用于医疗器械和药品包装的MEVOPUR™ 越来越多的医疗器械和药品包装制造商面临着将 可持续性融入其产品设计的挑战。 主要特性 可用于聚乙烯、聚丙烯、ABS、聚碳酸酯和苯 乙烯 树脂载体的生物含量从70%到100%不等，具 体取决于聚合物⸺按照ASTM D6866标准计 算 由四家通过ISO 13485认证的工厂生产，稳定 的供应链覆盖全球，品质始终如一 变更控制记录的级别高于CAS编号级别，降低 变更风险 可以像加工化石基聚合物般在普通注塑机和挤 出设备上进行产品加工的嵌入式解决方案 可以以即用型预着色或添加剂配方的形式提供 法规支持 原材料根据以下标准检测： - ISO 10993-1 - 美国药典和（包括VI类） - 欧洲药典，各论3.1.3/3.1.5（聚烯烃包装材 料） - 美国药典（聚乙烯） - 杂质元素符合ICH Q3D要求 注册药品管理档案（III类）和/或器械主文件 食品接触声明符合美国FDA和EU规范 适用医疗保健使用限制—见下文。 在不限制本声明的一般性的情况下，不得将埃万特的产品用于旨在用于以下目的的任何医疗器械应用： (1) 接触人体组织或体液长达30天或更长时间； (2)“整形”（整容或重建）手术； (3) 生殖植入物或任何节育器械；或者 (4) 用于支持或维持人类生命的永久性（超过30天）植入式医疗器械中的任何关键组件。

X HC 304527#SR-34300 Grey Conc 3% X ET SR-33590-10 Tan Conc 3% X ET SR-33590-18 Tan Conc 3%

No other terms and conditions whatsoever shall have any effect unless subsequently agreed to in a document signed by both parties. 1. Buyer assumes all risk and liability for the resale of the Product, including the Product’s selection, use and performance, and Buyer will indemnify and hold harmless PolyOne from and against any and all liabilities, damages, losses, claims, suits or judgments, and expenses (including reasonable attorney fees) that PolyOne may incur to the extent caused by Buyer’s actions. 3. Notwithstanding different or additional terms or conditions contained in Buyer’s purchase orders, invoices, or other communications to PolyOne or any customer, any addition to or alteration of the PolyOne Terms & Conditions shall be effective only if expressly made in a writing signed by an officer of PolyOne. 4.

Barrel Temperatures English (°F) Metric (°C) Comments Zone 1 - Rear 410°F 450°F 210°C 230°C If smoking starts to occur, purge machine immediately and reduce mold and barrel temperatures. Zone 2 - Center 420°F 460°F 215°C 235°C Zone 3 - Front 430°F 470°F 220°C 240°C Nozzle 440°F 480°F 225°C 250°C Melt & Mold Temperatures English (°F) Metric (°C) Comments Melt Temperature 440°F 480°F 225°C 250°C Wipe down mold surface after each production run.Mold Temperature 125°F 200°F 50°C 90°C Notes These guidelines are based on lab results, and their values may not reflect actual processes using different machinery. Drying Conditions English (°F) Metric (°C) Temperature 180°F 80°C Duration 2-4 Hours Moisture Level Allowable 0.05%–0.20% Processing Screw Speed Typical screw speeds are recommended Back Pressure Lower back pressure is recommended 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) www.avient.com Copyright © 2020, Avient Corporation.

Global Policy on Antitrust Updated February 2021 Table of Contents Guide For Compliance 1 Policy Overview 1 An Overview of U.S. Avient’s legal department will help you protect yourself and the Company should questions later arise. 3. Do not otherwise obtain information (particularly price information) directly from competitors. 4.

This guideline will be reviewed periodically to assure competitiveness. 3. External Communication Director Stock Ownership 3. Access to Management and Independent Advisors 4.

PMMA Considering lens performance, Resilience™ LS Frost PVC offers properties and material performance similar to PMMA, often at a significantly lower cost. 1 ASTM D-1003 measured by Polymer Diagnostics, Inc. 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.

Going forward, our enhanced portfolio and strong balance sheet will open even more opportunities for innovation around our 4 P's of sustainability -- people, products, planet, and performance." Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com