China Date of Issue：2024-10-26 Date of Expiry：2027-10-25 Date of Initial Issue：2021-10-28 E证书编号 E受审核方 组织机构代码 英文组织机构代码 E认证范围 E注册地址 E生产办公地址 E注册日期 E有效期至 E初次颁证日期 二维码

Handelsregisteramt des Kantons Basel-Landschaft BASEL LAN DSCHAFT $t Firmennummer cHE-480.567.505 Rechtsnatur Aktiengesellschaft Eintragung 09.09.2019 Löschung U be rtra g CH-280.3.023.7 7 7 -6 von: auf: llillllll llll ll illllll lll A e E n'rasunsen Ei Lö Firma Rel Sitz I Avient Colorants Switzerland AG (Avient Colorants Switzerland Ltd) 1 Muttenz Ei Lö Aktienkapital (CHF) Liberierung (CHF) Aktien-Stückelung Ei Lö Domiziladresse 1 100'000.00 100'000.00 100 vinkulierte Namenaktien zu CHF 1'000.00 1 Rothausstrasse 61 4132 Muttenz Ei Lö Zweck Ei Lö weitere Adressen 1 Die Gesellschaft bezweckt den Erwerb, die Ver"waltung und Veräusserung von Beteiligungen an Unternehmen, die auf dem Gebiet der Chemie und verwandten Gebieten tätig sind, insbesondere im Bereich Masterbatches und Kunststoffe. Seite / ld 4 4265 6095 31 55 3230B 09.09.2019 12.12.2019 23.06.2020 25.06.2020 176 244 122 124 12.O9.2019 17.12.2019 26.06.2020 30.06.2020 1004714735 1 004785379 1 004921 598 1004924109 6 3929 4022 6230 B 03.08.2020 07.08.2020 01.12.2024 151 15s (( B 06.08.2020 12.08,2020 ienehmigung 1 004952966 1 004956361 HRA) Ei Ae Lö Personalangaben Funktion Zeichnungsart I 3m 3m @inCen ffiin;in-*esefleH PricewaterhouseCoopers AG (CH E-393 .441 .652), in Basel ffiingen ingen ft4erkle,in;+'{grbe ;,rigefi in-ffiden Ufui+ermann-,+t l:M-des \tenvaHungtsrates l#itgffies llenva}tungsrates tlitglie#es Venwattungsrates Revisionsstelle 1(offiien ffieien ldlektivuntersehrift-z*zweien Adesheim, 02.12.2020 1 1 :46 Fortsetzung auf der folgenden Seite Handelsregisteramt des Kantons Basel-Landschaft BAS E Li! LANDSCHAFT I cHE480.567.505 Avient Colorants Switzerland AG Muttenz 2 Alle Eintragungen Ei Ae Lö Personalangaben Funktion Zeichnungsart 4 b 7m 4m 7m 6m horigef, in+irstetden Mer*leihNsrberfdeutseherStaatsangehöriger, in Kronberg (DE) rStaatsangehd'riger-in Cuxen@+U) James, Robert Kenneth, amerikanischer Staatsangehöriger, in Ohio (US) Garratt, Michael Alexander, amerikanischer Staatsangehöriger, in Luxemburg (LU) Tamura, Mauricio Massanobu, portugiesischer Staatsangehöriger, in Birsfelden Merklein, Norbert, deutscher Staatsangehöriger, in Rheinfelden l:M.des Venffattungsrates lAltgtietres Veftvattungsrates l+tgl+e#es Venffattungsrates Präsident des @ Kollektivunterschrift zu zweien Ehz ehrntersehrift Arlesheim, 02.12.2020 11:46 BM Dieser Auszug aus dem kantonalen Handelsregister hat ohne die nebenstehende Originalbeglaubigung keine Gültigkeit.

C O N S U ME R PAC K AG E D G O O D S C O M PA NY S H A M P O O & C O N D I T I O N E R B O T T L E S A N D C A P S • Achieve a precise color match while ensuring a high amount of post-consumer recycled content (PCR) in the inner layer of the bottle • Reduce development time for quicker approvals and lower costs, and to enable rapid speed to market • Used proprietary Color Prediction Tool to digitally illustrate color possibilities while developing a customized PCR solution • Leveraged Avient’s ColorWorks Design & Technology Center to adjust colors according to the customer’s specifications and accelerate commercialization Smartbatch Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

F L E X IB L E PA C K AG I N G C O M PA N Y P E T F O O D P A C K A G I N G • Incorporate an antistatic additive into pet food packaging to dissipate static in hot and dry environments • Improve efficiency within a robotic packaging process • Support extended packaging shelf life • Leveraged technical expertise in packaging additives to identify a suitable formulation for static dissipation in harsh environments • Provided a customized and effective antistatic additive solution that complemented the automated packaging process while providing added durability and protection to extend shelf life Cesa Stat Antistatic Additives KEY REQUIREMENTS WHY AVIENT?

000870.E/24.R Würzburg, 23.05.2024 Benjamin Kirchgeßner Zertifizierungsstelle Zertifikat Die SKZ - Cert GmbH bescheinigt dem Unternehmen Avient Th. Dieses Zertifikat ist gültig vom: 23.05.2024 bis: 19.05.2027 Zertifikat Nr.: 000870.E/24.R Würzburg, 23.05.2024 Benjamin Kirchgeßner Zertifizierungsstelle Anlage zu Zertifikat Nr.: 000870.E/24.R Avient Th.

GLOBAL FRIDGE MANUFACTURER R E F R I G E R A T O R B A S E • Provide 5VA flame retardant rating • Utilize existing molds • Keep the same mechanical and physical properties as current material • Dimensional stability – limit shrinkage of final part • High strength – bearing the weight of the whole fridge • Maintain or reduce weight • Expedited development time, providing solutions ready for testing within a week • Enabled first time approval through close customer collaboration • Provided excellent in person support to both customer and moulder throughout trials • Gave technical advice on how to adjust processing parameters, enabling the use of existing molds with the new material Maxxam™ FR Flame Retardant Formulations KEY REQUIREMENTS WHY AVIENT?

DEVICE MANUFACTURER M E D I C A L D E V I C E H O U S I N G • Improved chemical resistance compared to PC/ABS, PC/PET & COPE • Flame retardant (FR) rating of V-1 at 0.75 mm • Zero BPA & non-halogenated FR material • Available in standard hospital grade pre-colors • Provided a cost-effective material with superior chemical resistance to traditional materials • Formulated a medical-grade, semi-crystalline blend to support regulatory testing and approvals • Demonstrated superior property retention and crack resistance after exposure to hospital- grade disinfectants, including Virex® Tb, helping to extend the device life Trilliant™ HC8900 Thermoplastics KEY REQUIREMENTS WHY AVIENT?

SPORTING GOODS BRAND I N J E C T I O N M O L D E D B A S E B A L L B A T • Meet BBCOR safety standard for coefficient of restitution • High stiffness and toughness to hold up to ball impacts without excessive vibration • Variable feel, sound, and “sweet spot” for user preference • Provided a unique solution allowing the bat to be manufactured with injection molding instead of thermoset layup process to lower production cost • Designed unique two-part barrel and handle construction which enables tailoring weight and balance performance to player Complēt™ Long Carbon Fiber ETPU Composite KEY REQUIREMENTS WHY AVIENT?

Trilliant HC - OCD Microwells IVD Testing - Application Snapshot ORTHO CLINICAL DIAGNOSTICS M I C R O W E L L S F O R I V D D E V I C E • PS-based material • Strict TiO2 content/filling to secure accurate performance • Material to be suitable and complaint with the IVDD/IVDR standards • Surface chemical performance essential for the application • Worked in close collaboration with customer and internal teams to fully understand and overcome current material challenges • Identified anomalies in existing formulation using material science expertise and customized an alternative formulation • Enabled customer to improve processing efficiency, reduce scrap rate and respond to the increased market demand Trilliant™ HC7410-5001 X4 thermoplastics in white KEY REQUIREMENTS WHY AVIENT?

© 2020, All Right Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 LIGHTING MANUFACTURER H E A T S I N K F O R H I G H P O W E R L E D • PA based grade to replace aluminum • High thermal conductivity ̴ 15 W/mK • Electrically conductive • Easy moulding • Improved light output compared to alternative materials • Improved corrosion resistance and weight reduction • It gave the customer more design possibilities and a more cost effective solution Customized PA based grade KEY REQUIREMENTS WHY AVIENT?