Before joining Avient, he held various commercial roles in the specialty elastomers and specialty polybutylene businesses at Shell Chemical Company. Ripple holds a Bachelor of Science in Chemistry from Texas A&M University and an executive MBA from the University of Michigan’s Ross School of Business.

Before joining Avient, he held various commercial roles in the specialty elastomers and specialty polybutylene businesses at Shell Chemical Company. Ripple holds a Bachelor of Science in Chemistry from Texas A&M University and an executive MBA from the University of Michigan’s Ross School of Business.

He is responsible for determining strategy and driving growth for the SEM global business. He later joined Cytec, where he led composite product development for the Americas and Asia Pacific regions, served as Vice President of R&D, and ultimately was promoted to Vice President of Cytec’s global Aerospace Engineered Materials business, which included P&L responsibility.

He joined Avient in 2011 as assistant controller and later served as director, finance for the company’s Global Color, Additives & Inks business segment. Di Salvo has a bachelor’s degree in business administration with a concentration in accounting from The Ohio State University in Columbus, Ohio and is a certified public accountant.

MSC Certificate Place and date: For the issuing office: Shanghai, 20 March 2024 DNV - Business Assurance Building 9, No. 1591 Hongqiao Road, Changning DistrictShanghai China 200336 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 1614-2000-AE-RGC-RvA Initial certification date: 23 May 2000 Valid: 24 May 2024 – 23 May 2027 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

Energy: o Diesel Fuel Consumption: 2,868,323 kWh o Natural Gas Fuel Consumption: 178,696,287 kWh o Renewable Energy Consumed - Self Generated (solar): 681,059 kWh o Renewable Energy Consumed - Self Generated (Wind): 2,385,048 kWh o Grid Electricity Consumed: 409,650,679 kWh o Renewable Energy Credits (REC) Purchased: 112,413,420 kWh o Renewable Electricity Consumed – Offsite: 138,415,253 kWh Page 2 Period covered by GHG emissions verification: • January 1, 2023 to December 31, 2023 Global Warming Potential (GWP) and emission factor data sets: • IPCC GWP: AR6 • USEPA Emission Factor Hub, released 2024 • USEPA eGRID, released 2024 • Final Rule (40 CFR 98) - Industrial Sector 2013 • DEFRA, released 2023 • IEA, released 2023 • European Residual Mix, released 2022 v2.0 GHG Reporting Protocols against which verification was conducted: • World Resources Institute (WRI)/World Business Council for Sustainable Development (WBCSD) Greenhouse Gas Protocol, Corporate Accounting and Reporting Standard, Revised Edition (Scope 1 and 2) and the GHG Protocol Scope 2 Guidance, an amendment to the GHG Protocol Corporate Standard • WRI/WBCSD Corporate Value Chain (Scope 3) Accounting and Reporting Standard Verification Protocols used to conduct the verification: • ISO 14064-3 Second Edition 2019-04: Greenhouse gases - Part 3: Specification with guidance for the verification and validation of greenhouse gas statements • Apex’s standard procedures and guidelines for external Assurance of Sustainability Reports and International Standard on Assurance Engagements (ISAE) 3000 Revised, Assurance Engagements Other than Audits or Reviews of Historical Financial Information (effective for assurance reports dated on or after Dec. 15, 2015), issued by the International Auditing and Assurance Standards Board. No member of the verification team has a business relationship with Avient, its Directors or Managers beyond that required of this assignment. Apex has implemented a Code of Ethics across the business to maintain high ethical standards among staff in their day-to-day business activities.

Business Manager, Asia Pacific, GLS International GLS Corporation, 833 Ridgeview Drive, McHenry, IL 60050 Tel: 815-385-8500 Fax: 815-385-8533 email: info@glscorp.com Web: www.glscorp.com ABSTRACT Market trends and consumer demands for enhanced ergonomic feel and touch, grippability, aesthetics, cushioning against impact, vibration isolation and insulation have driven novel developments in thermoplastic elastomers for overmolding applications. Jiren Gu and Krishna Venkataswamy, “Block Copolymer Compositions for Overmolding any TPE,US patent filed , March 2004 Figure1.

U-PVC PIPE & FITTING PRODUCER P I P E & F I T T I N G • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of applications • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications • Improved the customer’s workplace environment by installing a new tote liquid supply system • Enhanced color consistency and reduced production wastage from pigment speck and streak issues • Complied with strict regulatory controls for potable pipe requirements ColorMatrix Liquid Color Concentrates KEY REQUIREMENT WHY AVIENT AVIENT SOLUTION PRODUCTIVITY + COMPLIANCE Avient Corporation 1 • Meet the diverse coefficient of friction (CoF) requirements across various film structures and compositions for a wide range of applications • Improve the speed of slip blooming and ensure consistent slip performance post-film production • Preserve excellent optical and mechanical properties • Compliance with food regulations for end packaging in food sealant applications KEY REQUIREMENT • Standard colorant to apply for internal color matching in PVC sheet applications • Phthalate free plasticizer class as hazardous healthy control requirement • Good thermal stability and compatibility in PVC resin of color index choices • Compliance with Heavy metal free and RoHS regulation KEY REQUIREMENT• Support the mass production capacity of white pipe extrusion • Reduces particulates from TiO2 bulk pigment use in the workplace • Ensure excellent pigment dispersion to meet mechanical pipe properties over an extensive useful life • Compliance with NSF and UL regulations for end application requirements in the building and construction industry LIQUID COLOR CONCENTRATES AND DOSING | AVIENTLEARN MORE KEY REQUIREMENTS Copyright © 2025, Avient Corporation.

It is our policy to conduct business in a manner that ensures the safety and health of employees, customers, suppliers and the communities in which we operate. We are committed to implementing appropriate security management programs, processes and procedures to protect all of our assets and to reduce the risk of harm and business interruption. Bob Patterson Chairman, President, and CEO August 1, 2020 Product Stewardship Policy Product Stewardship plays a significant role in Avient’s sustainable and ethical business practices.

STAY FOCUSED ON YOUR CORE BUSINESS • Production planning for your end products can be challenging enough without the added complexity of planning and producing for your own plastisol needs. • Quality control is critical; when you produce plastisol you take on the challenges associated with consistently producing in-spec formulations for your end product. • Maintaining your production equipment is a full- time job; keeping plastisol mixing equipment up to industry standards can cost tens of thousands of dollars a year. When you consider the hidden costs and potential distractions associated with in-house plastisol production, it may make sense for you to stay focused on your key priorities—keeping your customers happy and growing your business.