PolyOne Corporation Page 4 PolyOne Commodity to Specialty Transformation • Volume driven, commodity producer • Heavily tied to cyclical end markets • Performance largely dependent on non- controlling joint ventures 2000-2005 2006 - 2009 2010 – 2014 2015 and beyond • Steve Newlin appointed, Chairman, President and CEO • New leadership team appointed • Implementation of four pillar strategy • Focus on value based selling, investment in commercial resources and innovation to drive transformation • 20 consecutive quarters of double- digit adjusted EPS growth • Shift to faster growing, high margin, less cyclical end markets • Key acquisitions propel current and future growth, as well as margin expansion • Established aggressive 2015 targets • Continue specialty transformation • Goal of $2.50 adjusted EPS by 2015, three times the EPS generated in 2011 of $0.82 • Drive double digit operating income and adjusted EPS growth PolyOne Corporation Page 5 Building & Construction 13% Industrial 12% Transportation 18% Wire & Cable 9% Packaging 16% Consumer 10% HealthCare 11% Appliance 6% Electronics & Electrical 5% 2013 Revenues: $3.8 Billion End Markets 2013 Revenues: $3.8 Billion PolyOne At A Glance United States 67% Europe 14% Canada 7% Asia 6% Latin America 6% Specialty 54% PP&S 18% Distribution 28% $13 $31 $46 $46 $92 $96 $122 $195 $0 $50 $100 $150 $200 2006 2007 2008 2009 2010 2011 2012 2013 Specialty Operating Income PolyOne Corporation Page 6 Old PolyOne *Operating Income excludes corporate charges and special items 2% 34% 43% 62% 65% 0% 20% 40% 60% 80% 100% 2005 2008 2010 2013 2014 YTD 2015 % o f O pe ra tin g In co m e* JV's Performance Products & Solutions Distribution Specialty 65-75% Specialty OI $5M $46M $87M $195M $191M Target Mix Shift Highlights Specialty Transformation Transformation 2015 Target PolyOne Corporation Page 7 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 8 Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 '06 '07 '08 '09 '10 '11 '12 '13 ‘06-‘13 EPS CAGR = 41% EPS Share Price vs. Platform operating income mix percentage 2005Y* 2008Y* 2010Y* 2013Y Q3 2014 YTD Global Color, Additives and Inks $ 4.3 $ 28.1 $ 37.7 $ 104.0 $ 98.2 Global Specialty Engineered Materials 0.4 17.6 49.7 57.2 55.6 Designed Structures and Solutions - - - 33.4 37.2 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $ 194.6 $ 191.0 Performance Products and Solutions 75.7 31.3 54.0 56.0 51.4 Distribution 19.5 28.1 42.0 63.3 53.2 Joint ventures 91.9 28.6 18.9 - - Corporate and eliminations (51.5) (425.1) (27.7) (82.4) (126.2) Operating income (loss) GAAP $ 140.3 $ (291.4) $ 174.6 $ 231.5 $ 169.4 Less: Corporate operating expense 51.5 425.1 27.7 82.4 126.2 Operating income excluding Corporate $ 191.8 $ 133.7 $ 202.3 $ 313.9 $ 295.6 Specialty platform operating mix percentage 2% 34% 43% 62% 65% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Appendix Q3 2014 Financial Highlights At a Glance�Global Color, Additives and Inks At a Glance�Global Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Commitment to Operational Excellence Application Examples Slide Number 28 Anti-Counterfeiting Solutions 2012 Range Rover Evoque Interior Slide Number 31 Metal Replacement Solutions Next Generation Solar Charger High-Barrier Packaging Containers Aerospace Applications Non GAAP Rec - 11 5 14.pdf Sidoti & Company non-GAAP Rec

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CLEVELAND – March 31, 2025 – Avient Corporation, an innovator of materials solutions, is pleased to share a successful collaboration with the Georgia Institute of Technology School of Industrial Design’s undergraduate industrial design students on a design studio project. Our purpose at Avient Corporation (NYSE: AVNT) is to be an innovator of materials solutions that help our customers succeed, while enabling a sustainable world. In doing so, we innovate solutions that help our customers overcome their challenges or capitalize on opportunities provided by the fast-changing world and secular trends.

AVIENT SOLUTION APPEARANCE + PERFORMANCE LEARN MORE Copyright © 2020 Avient Corporation, All Rights Reserved https://www.avient.com/products/polymer-colorants/high-temperature-color-concentrates

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BIOPHARMACEUTICAL SUPPLY COMPANY T U B I N G C L A M P • High impact and wear resistance • Low moisture uptake • Comparable dimensional stability to nylon • Eco-conscious alternative to PA66 and PA6 • Delivered a comparable alternative to nylons during supply shortages, resulting in rugged performance and a lower carbon footprint • Provided improved chemical resistance to nylon clamps to withstand repeated cleanings from harsh disinfectants • Offered a global manufacturing footprint to support future expansion of the end products to markets outside the Americas Trilliant™ HC 8910 Glass-Filled Polyketone Thermoplastics KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION DURABILITY + MATERIAL AVAILABILITY LEARN MORE Copyright © 2023, Avient Corporation. All Rights Reserved. https://www.avient.com/products/engineered-polymer-formulations/chemical-corrosion-resistant-formulations/trilliant-hc-healthcare-thermoplastics

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AVIENT SOLUTION LIGHTWEIGHT + THERMAL CONDUCTIVITY LEARN MORE Copyright © 2023, Avient Corporation. All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations