LEADING ANTENNA MANUFACTURER A N T E N N A C O M P O N E N T S • Extremely tight performance tolerance • Dielectric performance of 3 – 7Dk • Ability to utilize existing injection molding machinery • High mold flow index (MFI) • On demand material delivery • Provided technical support throughout the development of multiple, highly technical materials • Formulated high quality materials that aligned with stringent specification, at a cost effective price • Provided order flexibility, allowing customer to order on demand • Collaborated across the supply chain, enabling customer to take a premium solution to market that can reduce maintenance and construction costs for end users Custom PREPERM™ Low-Loss Dielectric Formulations KEY REQUIREMENTS WHY AVIENT?

TOP SPEAKER MANUFACTURER W A T E R P R O O F S P E A K E R G A S K E T • Provide good sealing properties • Protect from water and dust • Reduce production time and costs • Increase design freedom • Provided a low compression set TPE with IP67 ingress protection • Easily prevented ingress of dust and water • Decreased cycle times and reduced overall manufacturing costs • Increased design freedom with overmolding Versaflex™ CE 3120-40 Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

EUROPEAN MEDICAL DEVICE MANUFACTURER F A C E M A S K V E N T I L A T I O N V A L V E • ISO 9001 and USP VI compliant • Compatible with overmolding onto PP • Translucent and highly colorable • Soft touch • Provided valuable regulatory support and documentation, enabling faster internal trials and material qualification for this customer • Worked together with customer to select the best material from a broad portfolio of medical TPE grades • Trusted as a polymer supplier for multiple healthcare applications Dynaflex™ G2711 Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

AVIATION COMPONENTS MANUFACTURER S E A T B E L T C O V E R • Paint-free, metallic look • Reduced Volatile Organic Compounds (VOCs) • Lightweight • Excellent mechanical performance • Non-conductive solution • Provided a non-conductive solution with reduced VOCs and coexisting color and metallic effects • Supplied a technology compatible with PPSU, PES, and PSU • Lowered density compared to virgin resin • Reduced the need for secondary processing and associated VOCs • Supplied low minimum order quantity of gold, silver and bronze colors Colorant Chromatics Metallic Effect Pre- colored Sulfone Colorants KEY REQUIREMENTS WHY AVIENT?

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。

Polyone Corporation at BB&T Capital Markets Commercial & Industrial Conference

TEMPERATURE DISTRIBUTION DIAGRAM • Test Method: FTTS-FA-010-2007 4.2 • Equipment: Thermovision • Heat Source: 500W Halogen Lamp • Heat Distance: 100 cm Surface temperature before exposure: 20.22°C Surface temperature after 10 min exposure: 33.85°C Temperature change: +13.6°C Added Cesa Fiber Additives for heat preservation TEST METHOD STANDARD REQUEST TEST RESULT GB/T30127 Far infrared radiation properties Far infrared emissivity ≥0.88 (5-14um) (Test temperature: 34°C) 0.9 Far infrared radiation temperature rise ≥ 1.4°C 9°C GB/T 18319-2019 Thermal retention with accumulated by infrared ray Maximum temperature rise ≥ 6°C 8.9°C Mean temperature rise ≥ 4.4°C (20 minutes) 5.6°C FTTS-FA-010 Infrared radiation properties & thermal retention temperature rise Average emissivity ≥ 0.8 (2-22um) (Test temperature: 25°C) 0.8 Specified heating ΔT ≥ 0.5°C (relative to the standard) +5.34°C (ΔT) GB/T 11048-2008 Method A Thermal transmittance Unit: clo Naked body: 0 Underwear: 0.04 T-shirt: 0.09 Thick sweater: 0.35 Winter coat: 0.7 All the data above are the reference value 0.625 Human Physiological Experiment Blood flow volume +12.9% Blood flow velocity +13.6% Blood oxygenation(%SpO2) +1.7% www.avient.com Copyright © 2023, Avient Corporation.

Polyone Corporation at BB&T Capital Markets Commercial & Industrial Conference

BATTERY RANGE EXTENSION Lightweighting SOLUTION: Long fiber reinforced polyketone (PK) thermoplastics © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-rec-formulations https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons https://www.avient.com/products/long-fiber-technology/complet-moisture-resistant-nylons

Application Snapshot Smartbatch Frost SFX Final COSMETICS BRAND P E R S O N A L C A R E P E T & R P E T P A C K A G I N G • Solutions suitable for 100% rPET carrier colorants • Compatible with all ISBM molding machines • Should work with a wide variety of rPET grades • Worked with customer to provide a special effect solution that achieved a matte or frost- like effect in PET resin • Created a formulation that diffuses light and enhances bottle appearance, similar to edge- glass • Allowed the customer greater design freedom with a wide range of color options • Enabled customer to reduce VOC by eliminating bottle spraying SmartBatch™ Frost Collection KEY REQUIREMENTS WHY AVIENT?