Certificate Avient Corporation Certificate Of Conformance This is to certify that the Quality Management System of: Avient Corporation 33587 Walker Road Avon Lake OH 44012 has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 9001:2015 The Quality Management System is applicable to: Design and manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds Certificate No: 65799 Certification Date: 01 OCT 2020 Effective Date: 25 SEP 2023 Expiration Date 30 SEP 2026 Revision Date: 06 DEC 2024 Dominic Townsend, President Page 1 of 4 ISO 9001:2015 Certificate Of Conformance ANNEX Certificate No.: 65799 Avient Corporation At the below facilities Avient Corporation - Avon Lake, OH Management of QMS, Design and manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds 33587 Walker Road Avon Lake OH 44012 United States Avient (Argentina) SA Administration, Site management, Manufacture, Laboratory (QC and Colormatching), Procurement, Maintenance, Infrastructure, Warehouse and Transport, Sales Av. Martorell no. 124 08740 Sant Andreu de la Barca Spain Sweden AB Administration, Site management, Manufacture, Laboratory, Procurement, Sales, Järnyxegatan 7 213 75 Malmö Sweden Switzerland AG Rothausstrasse 61 4132 Muttenz Switzerland Avient (Taiwan) Co.

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功能 目标应用 血液采集 试剂容器/ 试剂盒 移液器/ 器具 设备/配件 即用型配方避免对分析测试的干扰； 可萃取金属数据          聚合物对激光能量的激活可提供高 对比度、无溶剂的 高速鉴别     定制母粒和即用型配方可提供 透明和不透明颜色，同时允许激光 传输/吸收    PE和PP的新一代快速成核剂；提 高尺寸稳定性，热性能和机械性能  降低湿蒸汽透过率（MVTR） HDPE即用型配方 吸湿母粒 减少 BCT（血液收集管）中因氧传 输造成的真空损失，并保护试剂免 受氧化降解 在290-450nm波长范围内阻挡紫 外线，对透明度没有影响；保护光 敏试剂     自检/即时检验 （POCT） 用于实验室自动化/ 鉴别编码的着色剂 颜色—低迁移/减 低干扰 颜色—生物相容 性评估 透明PP PP、ABS、 PC/ABS的抗静电 性能 激光焊接可 快速、可靠地组装 一系列聚合物 半结晶聚合物 的成核剂，例如 HDPE、PP、POM 防止氧气进入的 PET吸氧剂 透明容器（PP、 PE、PETG、COP） 中的紫外光防护 防潮以改善屏障 激光打标的UDI替 代油墨印刷/贴标 PP、ABS、PC和 高温聚合物的颜 色，符合UL认证 为各种聚合物提供多种颜色，能够 为您的工艺提供适用的即用型配方 或母粒 降低不符合现行和拟定法规（如 IVDR）的风险 即用型解决方案/母粒支持针对电器 外壳的UL要求 永久性/非迁移性即用型配方；不受 相对湿度（%）影响的快速静电衰 减时间 不含山梨醇，最大限度地减少潜在 迁移 1.844.4AVIENT www.avient.com 版权所有© 2021埃万特公司。

LUXURY PACKAGING MANUFACTURER S P I R I T B O T T L E C A P S • Specific gravity of 1.6 • EU and FDA compliant material • ABS-based material suitable for electroplating • Delivered a customized density polymer that supported electroplating, resulting in both the look and feel of metal • Demonstrated experience and expertise in density-modified material technology and electroplating to reach application goals quickly and cost-effectively Gravi-Tech™ Density Modified Formulation KEY REQUIREMENTS WHY AVIENT?

SMALL APPLIANCE OEM C O F F E E M A C H I N E S E A L • Soft durometers • Good bonding to ABS • Good flowability for easy processing • Excellent sealing property • Formulated a 30 Shore A TPE with excellent peel force performance to meet the sealing requirements • Offered a short lead time and on-site technical service to speed up the time to market • Provided fast global collaboration between regions, supporting the brand’s design team in Europe and molders in Asia Custom VersaflexTM Formulation KEY REQUIREMENTS WHY AVIENT?

LEADING GARDEN TOOLS BRAND O S C I L L A T I N G S P R I N K L E R S • Superior abrasion resistance performance • Ability to pass standard UV testing as well as the customer’s more stringent UV criteria • Global support and material availability • Developed a customized TPE material with superior UV resistance, adhesion to ABS, and demolding • Leveraged in-house UV chamber tests to exceed UV parameter requirements • Worked closely with customer’s product development, engineering and quality teams to test and specify material • Supplied grade globally with local technical and manufacturing support OnFlex™ S KE Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

SURGICAL DEVICE MANUFACTURER H A N D L E H O U S I N G F O R L A P A R O S C O P I C S E A L E R • Excellent adhesion onto PC/ABS • Good aesthetics with soft touch • RoHS, REACH and FDA compliant • Enhanced ergonomics and functionality with improved soft grip • Met performance requirements for wear resistance and colorability • Customized a thermoplastic elastomer (TPE) solution and had with a faster sample response speed than competitor Versaflex™ Overmolding Formulation KEY REQUIREMENTS WHY AVIENT?

KEY CHARACTERISTICS • Derived from end-of-life tires • Available for multiple resins and custom solutions • Retains performance characteristics of traditional carbon black in plastics • Enhances sustainable product offerings • Provides long-term price stability • Passes REACH and RoHS requirements • Prop 65 letters available MARKET AND APPLICATIONS OnColor RC Environmental Black is a sustainable solution across a wide variety of industries and applications, including: • Automotive • Wire and cable • Building and construction • Appliances • Electrical and electronics • Industrial molding applications • Office furniture Avient OnColor RC Environmental Black is offered for multiple resins and also for custom solutions: CC10289240WE OnColor RC Environmental Black PE CC10284887WE OnColor RC Environmental Black TPU CC10287020WE OnColor RC Environmental Black PC CC10287026WE OnColor RC Environmental Black PS CC10287028WE OnColor RC Environmental Black PP CC10287033WE OnColor RC Environmental Black ABS www.avient.com Copyright © 2020, Avient Corporation.

APPLICATIONS • Automotive, consumer products, E&E products • PP, ABS, PC co-polyester, PA6, PA 66, PA12, and others on request KEY BENEFITS • Up to 10 hours glow depending on resin, activation energy, and pigment loading • Unlimited repetition of energy accumulation and emission process • Excellent temperature and chemical stability • Excellent weathering fastness and lightfastness • Limited influence on mechanical properties • Formulated with low-concern substances Copyright © 2023, Avient Corporation.

F I RS T Q UART E R 2022 RE S U LT S $123 $136 $0.89 $0.99 Q1 2022 PERFORMANCE (TOTAL COMPANY) 4 $1,162 $1,294 (+ 14% excluding FX) Adjusted EPS (+ 15% excluding FX) (+ 16% excluding FX) (in millions) (in millions) Sales Adjusted Operating Income Q1 2022 SEGMENT PERFORMANCE 5 CAI $609 $650 SEM Distribution $89 $95 + 7% (+ 10% excluding FX) $363 $433 $24 $24 + 19% Flat $217 $245 $34 $40 + 7% (+ 11% excluding FX) + 13% (+ 17% excluding FX) + 18% (+ 20% excluding FX) Q1 2021 $1,162 $123 Sustainable Solutions 19 8% 7 Healthcare 32 21% 6 Composites (excl.