CERTIFICATE CONFIRMING INCORPORATION OF COMPANY AVIENT COLORANTS SINGAPORE PTE.

CNSUZ3-SUH9-20240123104552 QUALITY MANAGEMENT SYSTEM\,, CERTIFICATE Certificate No. 00124Q30506R5S/3200 We hereby certify that Color Matrix Plastic Colorants (Suzhou) Co., Ltd Business Registration Number: 91320505799067336K Registered I Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Quality Management System has been awarded this certificate for compliance with the standard ISO 9001:2015 The Quality Management System Applies in the following area: Production Activities of Plastic Colorant & Additive (UV Blockers, Anti-Oxidation, Anti-Aging) Certified since: January 8, 2009 Valid from: January 16, 2024 Valid until: January 4, 2027 the expiry date of last certification cycle: January 4, 2024 the date of recertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.

� ENVIRONMENTAL MANAGEMENT,_, ' J� - � Certificate No. 00124E30295R4S/3200 We hereby certify that Color Matrix Plastic Colorants (Suzhou) Co., Ltd Business Registration Number: 91320505799067336K Registered/ Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Environmental Management System has been awarded this certificate for compliance with the standard ISO 14001:2015 The Environmental Management System Applies in the following area: Production and Related Management Activities of Plastic Colorant & Additive (UV Blockers, Anti-Aging,Anti-Oxidation) Certified since: June 6, 2012 Valid from: January 17, 2024 Valid until: January 7, 2027 the expiry date of last certification cycle: January 7, 2024 the date ofrecertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.

Phil Clark is Senior Vice President, Chief Technology Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. He is responsible for developing and executing Avient’s long-term innovation strategy for new and emerging products and technology platforms, at the intersection of high-growth markets and secular trends. Clark joined Avient in 2024 from Nouryon, a global specialty chemicals organization where he served as Chief Technology Officer.

LIQUID COLOR WHITE LIQUID COLOR AMBER LIQUID COLOR WHITE

UV TPI BLUE PE LIQUID COLOR CYPRESS GREEN LIQUID COLOR BLUE

: AVIENT COLORANTS SINGAPORE PTE. Date Registered ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Date of Appointment SOH SOCK LAN S1189628F SINGAPORE CITIZEN 01/06/2020ACRA Director47 JURONG EAST AVENUE 1 #03-01 PARC OASIS SINGAPORE (609780) LIM JOO ANN S8679985E MALAYSIAN 01/06/2020ACRA Director311 JURONG EAST STREET 32 #02-331 JURONG EAST 32 SINGAPORE (600311) IAN NG FOOK YUN S2565916C SINGAPORE CITIZEN 27/05/2019ACRA Secretary151 CAVENAGH ROAD #09-161 CAVENAGH COURT SINGAPORE (229628) ANNA MARDIANA ALISJAHBANA S2205619J SINGAPORE CITIZEN 27/05/2019ACRA Page 2 of 4 ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Date of Appointment Secretary46 EASTWOOD ROAD #04-06 LAGUNA 88 SINGAPORE (486356) Shareholder(s) Name ID Nationality/Citizenship Place of incorporation/ Origin/Registration Address Changed AVIENT SWITZERLAND GMBH T16UF0762F SWITZERLAND ACRA1 ROTHAUSSTRASSE 61 4132 MUTTENZ, SWITZERLAND Ordinary(Number) Currency 3000000 SINGAPORE, DOLLARS Abbreviation UL - Local Entity not registered with ACRA UF - Foreign Entity not registered with ACRA AR - Annual Return AGM - Annual General Meeting FS - Financial Statements OSCARS - One Stop Change of Address Reporting Service by Immigration & Checkpoint Authority.

Avient Resources Avient Resources Antimicrobial technology, custom colors and performance additives in one masterbatch

SERVICES OVERVIEW COLORANTS & ADDITIVES VALUE-ADDED SERVICES At Avient, our goal is to provide premier colorant and additive technologies paired with world-class services that support our specialized and sustainable solutions. A RANGE OF WORLD-CLASS SERVICES COLOR TECHNOLOGY Custom matching, saturated colors, and special effects to fill market niches, eliminate secondary operations, and strengthen your brand PCR COLOR PREDICTION SERVICE Digital prediction tool illustrating color possibilities and limitations of post-consumer recycled (PCR) content to simplify decision making and shorten time to launch PRODUCT CARBON FOOTPRINT (PCF) CALCULATOR Methodology that evaluates the carbon footprint of Avient solutions, contributing a data point to your overall carbon footprint and supporting credible reporting AVIENT DESIGN A highly specialized group of industrial designers and project engineers that provides advanced design and detailed analysis to foster higher levels of innovation TESTING AND VALIDATION Fully accredited and in-house testing capabilities to generate data for insight into material behavior, environmental effects, and more REGULATORY SUPPORT Dedicated product stewardship team assisting with new product approvals to reduce regulatory overhead and minimize risk COLOR AND ADDITIVE DESIGN SERVICES Trend and color insights along with product development assistance from concept through commercialization to optimize design and gain speed to market RESEARCH AND DEVELOPMENT Long-term strategic solution development that addresses complex and unmet product innovation needs APPLICATION DEVELOPMENT TECHNICAL SUPPORT Technical experts specifically trained to work directly with your team to solve definitive application challenges with new or existing approaches FIELD TECHNICAL SERVICE Onsite support for tool design, startup, and production optimization to gain manufacturing efficiencies and help resolve technical issues Common compliance categories where we can assist: • UL • USP Class VI • ISO 10993 • ISO 1345 • REACH • RoHS • FDA • EU 10/2011 • China GB • MERCOSUR • USP • ISP • CPSIA • Prop 65 ColorWorks™ Design & Technology Centers Our global ColorWorks centers are focused on design, technology, and innovation for plastics. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Avient’s New Aesthetix initiative delivers innovative aesthetic solutions for thermoplastics by combining polymer science, creativity and unconventional ways to look at processing and formulation. Dark NIRvana  – a range of dark, intense hues for high-end packaging in virgin and PCR HDPE, PP, PET, featuring NIR detectable colorants