PolyOne Corporation Investor Day 2012 PolyOne Investor Presentation Sidoti & Company Eighteenth Annual Emerging Growth Institutional Investor Forum March 18, 2014 • 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. 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. Platform operating income mix percentage 2005Y* 2006* 2008Y* 2010Y* 2013Y Global Specialty Engineered Materials $ 0.4 $ 3.9 $ 17.6 $ 49.7 $ 57.2 Global Color, Additives and Inks 4.3 8.9 28.1 37.7 104.0 Designed Structures and Solutions - - - - 33.4 Specialty Platform $ 4.7 $ 12.8 $ 45.7 $ 87.4 $ 194.6 Performance Products and Solutions 75.7 64.2 31.3 54.0 56.0 Distribution 19.5 19.2 28.1 42.0 63.3 SunBelt Joint venture 91.9 102.9 28.6 18.9 - Corporate (51.5) 34.5 (425.1) (27.7) (82.4) Operating income (loss) GAAP $ 140.3 $ 233.6 $ (291.4) $ 174.6 $ 231.5 Less: Corporate operating expense 51.5 (34.5) 425.1 27.7 82.4 Operating income excluding Corporate $ 191.8 $ 199.1 $ 133.7 $ 202.3 $ 313.9 Specialty platform operating mix percentage 2% 6% 34% 43% 62% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment.

About Toyobo MC Corporation TOYOBO MC Corporation began operations in April 2023 as a joint venture between Toyobo Co., Ltd. and Mitsubishi Corporation. Media Contact Crandall Turner Avient Corporation crandall.turner@avient.com  Company Officers

We are committed to doing our part in what must be a multi-faceted, global approach throughout supply chains and all stakeholders to successfully address the issue. While we remain focused on achieving our 2030 GHG and energy goals, we believe further actions and strong leadership are critical to addressing climate change and ensuring a stable and sustainable planet.

However, long-fiber thermoplastic (LFT) technology addresses these concerns, bridging the gap between short-fiber reinforced formulations and over-engineered materials. Avient offers expertise in formulations, engineering services, and global technical and manufacturing support to address your unique challenges.

Corporate Media Contact: Kyle G. Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

Patterson, president and chief executive officer, PolyOne Corporation. Rose Vice President, Corporate Communications PolyOne Corporation +1 440.930.3162 kyle.rose@avient.com Company Officers

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Patterson, executive vice president and chief operating officer. Media contact: Kyle Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers