1) Total recordable incident rate (TRIR) and (2) fatality rate for (a) direct employees and (b) contract employees Performance—The Highest Ethical Standards; Ethics Hotline and Reporting; Enterprise Risk Management Avient 2022 Annual Report—Form 10-K Pages 8-14

Services Inquiry Form Forming Methods and Applications What is LFT?

Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N S E P T E M B E R 2 0 1 9 FORWARD LOOKING STATEMENTS PolyOne Corporation 2 In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Cable jacket/sheath– Made of PE or PVC 9 Fiber-Line Product PolyOne Materials F I B E R O P T I C A L G R O W T H D R I V E R S PolyOne Corporation 22 5G Networks  Enable lower latency, greater flexibility & efficiency  Installation of these networks are in the very early stages  Installation will start in urban hubs and will continue to expand into suburban and rural areas  By 2025, only 14% of the world will have 5G connections  Growth is expected over multi- year period 5G technology will be a leading growth driver in fiber optic cable for several years 10x Speed Increase & 8x More Antennae Required 5G vs. 4G PolyOne Corporation 23 Safety Technology Geography Service FinancialPeople Low EH&S risk profile New and complementary technologies Leverage our global footprint Strong customer relationships Foundational operating margins of 8-10% with ability to double Motivated team with a specialty culture I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 24 Capture sourcing synergies Cross-sell & blend 8-10% operating margins I N V E S T - T O - G R O W M & A P L A Y B O O K Protect Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First!

Learn what Avient is doing to support a sustainable future. Form. Redesigning What's Possible - Video

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STAN-TONE HCC-103080 B-SAND BEIGE STAN-TONE HCC-103081 B-FLASH WALNUT STAN-TONE HCC-103082 B-MOBE PEARL

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We can now offer expanded resin families that incorporate biocompatible functional additives, in both masterbatch and compounded forms, that meet or exceed industry standards for USP Class VI or ISO 10993 biocompatibility testing.”

Avient colorant solutions are available in liquid, solid masterbatch, and dispersion forms.

The reaction occurs and fibers are formed and cured.