DESIGNER WHITE #405 Material or Material Number) has either 12 or 14 characters. Product Quotation - labeled as "Avient Material" Invoice - under "Material Header"

DESIGN WORX - BROWN CAP 3 Material or Material Number) has either 12 or 14 characters. Product Quotation - labeled as "Avient Material" Invoice - under "Material Header"

STAN-TONE HCC-31647 VINYL DESIGN BEIGE Material or Material Number) has either 12 or 14 characters. Product Quotation - labeled as "Avient Material" Invoice - under "Material Header"

How one supplier optimized properties, processing with UV-stable materials While Jäger had developed interior TPE parts in the past, its development engineers and designers had since created a modified manufacturing technology that was more demanding on the elastomeric material. Further, Burdorf noted that Jäger has realized system cost benefits by collaborating with Avient and implementing an optimum materials solution.

How one supplier optimized properties, processing with UV-stable materials While Jäger had developed interior TPE parts in the past, its development engineers and designers had since created a modified manufacturing technology that was more demanding on the elastomeric material. Further, Burdorf noted that Jäger has realized system cost benefits by collaborating with Avient and implementing an optimum materials solution.

PolyOne Corporation - TS 691920 Certificate of Registration QUALITY MANAGEMENT SYSTEM - IATF 16949:2016 This is to certify that: PolyOne Corporation 4921 I D A Park Drive Lockport New York 14094 operates a Quality Management System which complies with the requirements of IATF 16949:2016 for the following scope: Design and Manufacture of thermoplastic compounds. Including the following support activities: PolyOne Design Center (Solution Center) 33567 Walker Road Avon Lake Ohio 44012 Audited by ABS QE Customer service, Marketing, Human resources, Logistics, Supplier management, Continuous improvement, Info. Technologies, Purchasing, Sales, Contract review, Internal audit management, Product design Location Registered Activities BSI Certificate Number: 691920 IATF Number: 0303891 Certification Date: 2018-05-10 Latest Issue: 2018-05-10 Expiry Date: 2021-05-09 Page: 2 of 2 This certificate remains the property of BSI and shall be returned immediately upon request.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. Global Compact • Highlights ESG Performance, including ratings, awards, and certifications • Features increased carbon emissions disclosures, including Climate Change Scenario Analysis and Scope 3 emissions data • Outlines Sustainable Supplier Program, designed to enable supplier evaluation & collaboration • Reflects Great Place To Work® culture focused on safety, employee engagement and advancing diversity, equity and inclusion 2022 SUSTAINABILITY REPORT 15 Avient Confidential 16 • Virtual presentation to be held September 20, 2023 • Leadership will be conducting an investor-focused presentation around our sustainable solutions portfolio • Deep dive into how we enable customers to achieve their sustainability goals SUSTAINABILITY DAY 16 …are Growing at Twice the Rate as Conventional Products Sustainably-Branded Products… STAKEHOLDER INFLUENCE DRIVES DEMAND Consumers Are demanding recyclability and eco- conscious products Governments Are mandating changes through legislation, taxes, and regional accords Brand Owners Have committed to ambitious goals to achieve sustainability metrics 17 AP P EN D IX 20 Performance Additives 16% Pigments 12% TiO2 Dyestuffs 2% Polyethylene Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Other Specialty / Note: Avient reflects 2023 estimated revenue of $3,280 and estimated run-rate CAPEX of $110M. 22 3 2 3 3 4 4 3 3 4 5 5 7 8 8 FREE CASH FLOW CONVERSION Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

Edgetek PKE NHFR formulations are specifically designed for electric vehicle (EV) components, including connectors. Avient continues to develop innovative engineered materials to help customers achieve their sustainability goals,” said Matt Mitchell, director, global marketing of Specialty Engineered Materials at Avient. In both cases, we’re making it easier for customers to switch to sustainable options by providing comparable performance to traditional materials.”

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Any samples or developmental material provided by Seller are provided for testing only with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. The sale of Products or the providing of samples or developmental material shall not, by implication or otherwise, convey any license under any intellectual property right relating to the compositions and/or applications of the Products, sample, or developmental material, as applicable. Buyer shall not use Seller’s name or trademarks in any advertisements, product descriptions, packaging materials, websites, or any other promotional materials, except with the prior written consent of Seller. 18.