Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same.

Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same.

Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same.

Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same.

Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same.

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.

Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same.

Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same.

Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same.

Buyer assumes all risk of infringement of third-party intellectual property rights by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same.