Strong past performance demonstrates that our strategy and execution are working • Megatrends align with our strengths • Innovation and services provide differentiation, incremental pricing power, and competitive advantage • Strong and proven management team driving growth and performance • Addressable market exceeds $40 billion Page 14 1 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S. Adjusted EPS 2006Y* 2007Y* 2008Y* 2009Y* 2010Y 2011Y 2012Y 2013Y Net income attributable to PolyOne common shareholders $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 SunBelt 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 Tax adjustments (30.0) (30.7) 147.2 (44.9) (88.3) (42.3) 0.5 2.2 Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 89.8 96.1 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. PolyOne Investor Presentation��Sidoti & Company �Eighteenth Annual Emerging Growth �Institutional Investor Forum�March 18, 2014� Forward – Looking Statements Use of Non-GAAP Measures PolyOne Commodity to Specialty Transformation Strategy and Execution Drive Results PolyOne�At A Glance Mix Shift Highlights Specialty Transformation Proof of Performance & 2015 Goals Bridge To $2.50 Adjusted EPS By 2015 Innovation Drives Earnings Growth Unique and Innovative Solutions that Help Customers Win Debt Maturities & Pension Funding – 12/31/13 Free Cash Flow and Strong Balance Sheet Fund Investment Why Invest In PolyOne?

Fiber-Line™ Performance Enhancing Coatings - Product Selection Guide Explore our variety of coatings that improve the performance of synthetic fibers

The sheath layer should have good insulation properties which are challenging to achieve with low coating thickness containing flame retardants. Producing a material that achieves all these at a thin coating thickness is a challenge.

The sheath layer should have good insulation properties which are challenging to achieve with low coating thickness containing flame retardants. Producing a material that achieves all these at a thin coating thickness is a challenge.

Compared to current solvent-based coating technology, co-extrusion film has significantly reduced volatile organic compound emissions (VOCs) and helps reduce energy consumption and emissions by eliminating secondary coating and drying operations.

The sheath layer should have good insulation properties which are challenging to achieve with low coating thickness containing flame retardants. Producing a material that achieves all these at a thin coating thickness is a challenge.

Fiber-Line™ engineered high-performance fibers, including coated, twisted, and custom wound aramid, glass, carbon, HMPE, and LCP fibers Fiber-Line™ pultruded rods and custom extrusion-coated rods and fibers

Ms. Sustainability is a responsibility we have to all of our stakeholders, and it is a growth driver for our company as we enable our customers to achieve their sustainability goals, ultimately creating value for our shareholders," explained Ms. Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended June 30, Six Months Ended June 30, 2024 2023 2024 2023 Sales $ 849.7 $ 824.4 $ 1,678.7 $ 1,670.1 Operating Income 72.5 62.3 166.5 119.4 Net income from continuing operations attributable to Avient shareholders 33.6 22.1 83.0 42.9 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.36 $ 0.24 $ 0.90 $ 0.47 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Pearlescence, also known as stress whitening, causes a milky coating in the bottle and is often caused because the production temperature is too cold.  

Pearlescence, also known as stress whitening, causes a milky coating in the bottle and is often caused because the production temperature is too cold.