Our end markets are primarily in transportation, packaging, building and construction, industrial, healthcare, consumer, wire and cable, electrical and electronics, and appliance. Plastics are renowned for their durability, aesthetics, ease of handling and recyclability. Senior Vice President, Global Human Resources, Molex Incorporated (a manufacturer of electronic connectors), September 2008 to March 2014.

Be especially careful that any documents (including internal memoranda and electronic mail) that you prepare are not subject to possible misinterpretation.

default, termination, or revocation notices) shall be made through a notary public, by registered mail (return receipt requested) or registered electronic mail by using secured electronic signature and shall be deemed to have been served as of the date of proper service in accordance with the Turkish laws and regulations. 26.

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 10% Dyestuffs 2% Polyethylene 11% Nylon 6% Polypropylene 5% Styrenic Block Copolymer 5% 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 Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of July 21, 2023 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 A vi en t K W R P P G F U L R P M A V Y F M C H U N C E H X L E C L A S H E M N S C L FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of July 21, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

These products are focused on reducing carbon footprint with lighter weight materials, increasing the recyclability of packaging and reducing water usage to name a few." Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses

Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy

Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy

Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy

Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy

Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy