The webcast can be viewed at polyone.com/investor, or by clicking here: https://edge.media-server.com/mmc/p/jwns83z8. Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data)

Such is the case with a prominent and innovative healthcare leader who named us “Supplier of the Year” for the second year in a row. Our filings are available to the public at the SEC’s website at http://www.sec.gov. SELECTED FINANCIAL DATA Refer to Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” in Part II of this Annual Report on Form 10-K and the notes to our accompanying consolidated financial statements for additional information regarding the financial data presented below, including matters that might cause this data not to be indicative of our future financial condition, results of operations or cash flows.

This includes information when you sign up to learn more about becoming a supplier; or when you request documentation regarding SDS, ISO, REACH, ROHS, or UL documentation. Avient Supplier Information Supplier Code of Conduct

Our filings are available to the public at the SEC’s website at http://www.sec.gov. Many of our customers, distributors and suppliers have been affected by these economic conditions. SELECTED FINANCIAL DATA Refer to Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” in Part II of this Annual Report on Form 10-K and the notes to our accompanying consolidated financial statements for additional information regarding the financial data presented below, including matters that might cause this data not to be indicative of our future financial condition, results of operations or cash flows.

While residential housing completions are trending up, permits and starts are down, according to the latest US Census Bureau data. To get material samples and engineering data on Hammerhead FR flame retardant composite panels, let’s start a conversation. YOUR NEXT MOVE http://www.avient.com/composites Sources • Lucintel Market Research Report (2024) • Prefab Modular Smart Market Report (2020) • Modular Construction Research Report MBI • McKinsey & Co.

This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0 100 200 300 400 500 600 700 800 900 1000 Te ns ile S tr en gt h Re te nt io n Hours Submerged Tensile Strength Retention Standard Nylon 6/6, 50% Long Glass Fiber Moisture Resistant Nylon 6/6, 50% Long Glass Fiber Specialty Nylon 6/12, 50% Long Glass Fiber

Material Data Learn how Southern States Supplier used GlasArmor™ ballistic panels to protect electrical substations

Today, thanks to a development cooperation between a leading global supplier of additive and colorant masterbatches and a major producer of polyolefin thermoplastics, packaging film producers have the opportunity to select film- grade polypropylene for sealing layers that are highly transparent, can be efficiently processed and converted, and yield film that provides an excellent seal and yet still enables easy opening. Collaborating with an experienced supplier able to offer a wide variety of these additive concentrates, globally, can help film manufacturers play their part in limiting food waste and keeping consumers happy.

MEETING FR GOALS IN DATA CABLES WITH AN ALTERNATIVE TO FEP Maxxam FR materials can provide cost savings and improved processing capabilities when used in category 5e cables and above. High flame performance and a low dielectric constant keep our equipment safe and data moving quickly.  THE SOLUTION The manufacturer worked with Avient to identify alternatives to FEP insulation that would meet requirements in their data cable.

Level of Assurance and Qualifications: • Limited • This verification used a materiality threshold of ±5% for aggregate errors in sampled data for each of the above indicators GHG Verification Methodology: Evidence-gathering procedures included, but were not limited to: • Interviews with relevant personnel of Avient and their consultant; • Review of documentary evidence produced by Avient; • Review of Avient data and information systems and methodology for collection, aggregation, analysis and review of information used to determine GHG emissions; and • Audit of sample of data used by Avient to determine GHG emissions. It is our opinion that Avient has established appropriate systems for the collection, aggregation and analysis of quantitative data for determination of these GHG emissions for the stated period and boundaries. The verification team has extensive experience in conducting assurance over environmental, social, ethical and health and safety information, systems and processes, has over 20 years combined experience in this field and an excellent understanding of Apex’s standard methodology for the verification of greenhouse gas emissions data.