PolyOne Investor Presentation May 2017 POLYONE CORPORATION 2 Forward-Looking Statements  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. IR Presentation - Q1 2017 Current PolyOne Investor �Presentation�May 2017 Forward-Looking Statements Use of Non-GAAP Measures What We Do At a Glance Slide Number 6 Proof of Performance & 2020 Platinum Vision Returning Cash to Shareholders Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return Ours is Not a Cost Cutting Story Primary Industries Served Innovation Drives Earnings Growth Why Invest In PolyOne?

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. FULL YEAR 2023 ORGANIC * FX AS REPORTED Sales $3,240M 4.0% (0.9%) 3.1% Adj. Q4 2023 ORGANIC * FX AS REPORTED Sales $747M 4.8% (1.0%) 3.8% Adj.

May 14, 2020 May 14, 2020 July 8, 2020

February 10, 2020 Feb. 10, 2020 April 8, 2020

Avient Earns LUXE PACK “in green” Award for Sustainability Initiative Avient earns LUXE PACK “in green” award for sustainability initiative. Avient Earns 2023 Re|focus Sustainable Innovation in Design Award for PCR Color Prediction Service

Q1 Avient Corporation Earnings Conference Call More Q4 Avient Corporation Earnings Conference Call More Q3 Avient Corporation Earnings Conference Call More

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. Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). Big or small, we earn customers, and we keep them.

January 21, 2025 CLEVELAND – January 21, 2025 – Avient Corporation, an innovator of materials solutions, announced the launch of ColorMatrix™ Lactra™ ESL, an additive solution formulated for the extended shelf-life (ESL) dairy market.

January 9, 2023 POMMERLOCH, Luxembourg – January 9, 2023 – Avient Corporation today announced the launch of new, sustainability-enabling cross-linkable formulations for photovoltaic cables in solar energy applications.  

Reporting Learn more about our approaches to accomplishing these commitments throughout this report.