Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The non-GAAP financial measures include: adjusted EPS, adjusted operating income, free cash flow and adjusted EBITDA. D is t. ) K W R P P G A V Y F U L R P M G C P F M C H X L H U N E C L A S H E M N C E S C L Source: Peer data per Bloomberg market data as of November 8, 2021 Avient reflects 2021 estimated revenue of $4,750M and estimated CAPEX of $80M (excludes one-time synergy capture CAPEX of $20M) Avient Specialty Formulators Other Chemical/Specialty Companies Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators.

Avient is entitled to reject any Goods, which are delivered (i) not at the agreed time, (ii) not in the agreed volume and/or quantity, (iii) in inappropriate or damaged packaging or (iv) with other defect(s), for risk and account of Supplier and without prejudice to Avient's right to compensation for the losses and damages suffered as a result of Supplier’s non- compliance. 6. In furtherance of the foregoing, we expect our suppliers to: supply only conflict free 3TG metals to Avient; engage in due diligence of supply chains by following a nationally or internationally recognized due diligence framework; upon request, report to Avient on its due diligence process and certify that 3TG metals supplied to Avient from the Covered Countries are conflict free; and promptly report to Avient any supply chain changes regarding the origin of 3TG metals or conflict status. 12.11 Supplier and Avient shall abide by the requirements of 41 C.F.R. Intellectual property rights to software not developed explicitly for Avient or on Avient’s instructions shall remain with Supplier and Supplier shall grant Avient a non-exclusive, non- transferable, irrevocable, perpetual and royalty free license not limited to specific equipment or location.

PolyOne Corporation Page 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Adjusted EPS 2006Y* 2007Y* 2008Y* 2009Y* 2010Y 2011Y 2012Y 2013Y 2014Y Net income attributable to PolyOne common shareholders $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 Joint venture equity earnings, after tax (68.5) (26.1) (20.8) (19.0) (14.7) (3.7) - - - Special items, after tax (21.2) 41.4 310.0 (31.0) 15.8 (30.5) 35.7 30.4 101.0 Tax adjustments (30.0) (30.7) 147.2 (44.9) (88.3) (42.3) 0.5 2.2 (10.5) Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 89.8 96.5 93.5 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principal or discontinued operations. Gabelli Conf - POL IR Presentation ��PolyOne Investor Presentation�Gabelli Specialty Chemicals Conference�March 2015�� Forward-Looking Statements Use of Non-GAAP Measures PolyOne Commodity to Specialty Transformation PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Confirmation of Our Strategy Strategy and Execution Drive Results Proof of Performance & 2015 Goals Continuing Earnings Growth Innovation Drives Earnings Growth Megatrends Aligned with Key End Markets Debt Maturities & Pension Funding – 12/31/14 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return PolyOne Core Values Why Invest In PolyOne?

Safety and Health A top priority at Avient is the safety and health of our employees, and our ultimate goal is to operate injury free. The Audit Committee reviewed and discussed with the independent registered public accounting firm the matters required to be discussed by the applicable requirements of the Public Company Accounting Oversight Board and the SEC. Accounting Considerations.

Safety and Health The top priority at Avient is the safety and health of our associates, and our ultimate goal is to operate injury free. The Audit Committee reviewed and discussed with the independent registered public accounting firm the matters required to be discussed by the applicable requirements of the Public Company Accounting Oversight Board and the SEC. Accounting Considerations.

Revealing account usernames, passwords, or other Personal Data to others or allowing use of Information Systems by others, including family and other household members;

In addition, Bloomberg New Energy Finance predicts that electric vehicles will account for 34% of new car sales by 2040.

Safety and Health The top priority at Avient is the safety and health of our associates and our ultimate goal is to operate injury free. The Audit Committee reviewed and discussed with the independent registered public accounting firm the matters required to be discussed by the applicable requirements of the Public Company Accounting Oversight Board and the SEC. Accounting Considerations.

Metal-free formulations to boost color consistency and increase speed to market

Oceanworks conducts third-party testing through its laboratory partners to confirm resins are contamination free and processing parameters are met.