Newlin Page 6 Today’s Objectives • Clear understanding of our mix improvement strategy • Instill confidence in PolyOne as a growth companygrowth company • Provide exposure and build relationships with our exceptional management team Unveiling of 2015 Performance Targets Page 7 • Geon and M.A. Hanna consolidate • Cultures clash – commodity wins • Dependent on income derived from commodity joint ventures The First 6 Years • Globally organized along three strategic platforms • Non-core equity investment dispositions • Talent upgrades, discipline instilled throughout organization • New CEO hired to transform POL into specialty business �18 of 20 officers new • Implemented four pillar strategy • Nearly 50% of The Second 6 Years History of PolyOne – A Transformation • Focused on increasing volume, not profits • Heavily tied to cyclical markets 2000 2006 2012 The FormationThe Formation The TransformationThe Transformation The New PolyOneThe New PolyOne organization • Demonstrated ability to deliver • Nearly 50% of business operating income derived from Specialty Platform* • Specialty assets acquired *Pro forma for ColorMatrix acquisition Page 8 30% 50% 70% 90% $10 $12 $14 $16 $18 PolyOnePolyOne Stock Price S&P 500 (relative performance) Strategy and Execution Drive Results | | | | -50% -30% -10% 10% 30% $0 $2 $4 $6 $8 $10 2006 2007 2008 2009 2010 2011 2012 Page 9 Four Pillar Strategy The World’s Premier Provider of Specialized Polymer Materials, Services & Solutions Page 10 60% 80% 100% % o f O p ra ti g I co m * Old PolyOne Transformation 2012 Target “What We Said” Mix Shift Highlights Specialty Transformation Ahead of Schedule *Operating Income excludes Corporate Charges ** Pro Forma for the acquisition of ColorMatrix and divestiture of SunBelt 2% 34% 42% 50% >50% 0% 20% 40% 2005 2008 2011 2011** 2012 % o f O p ra ti g I co m * JV's PP&S Distribution Specialty Specialty OI $5M $46M $89M $117M “What We Said” Page 11 2007 2012 Target 2011 “Where we were” “What we said” “Where we are” 1) Operating Income % Specialty 3.2% 10% - 12% 8.9% PP&S 6.1% 8% - 10% 7.2% Pro forma ColorMatrix Proof of Performance Distribution 3.0% 4% - 5% 5.6% 2) Specialty Platform sss% of Operating Income 20% >50% 50% 3) Specialty Vitality Index 21% 35% - 40% 49% 4) ROIC* (pre-tax) 11% >15% 16% 5) Sales outside the US 37% >40% 40% *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 12 2011 Pro forma ColorMatrix 2015 Target “Where we are” “Where we expect to be” 1) Operating Income % Specialty 8.9% PP&S 7.2% 12 – 16% 9 – 12% Elevating our Expectations and Yours PP&S 7.2% Distribution 5.6% 2) Specialty Platform % of Operating Income 50% 3) ROIC* (after-tax) 10% 4) Adjusted Annual EPS Growth 3 yr CAGR = 71% 9 – 12% 6 – 7.5% 65 – 75% 15% Double Digit Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 13 • Four pillar strategy, coupled with our ability to execute is driving results • Strong leadership team driving growth & executing • Innovation and services provide differentiation and How do we get there? Innovation and services provide differentiation and competitive advantage • Favorable megatrends align with PolyOne strengths The New PolyOne: A Specialty Growth Company Page 14 Positioned for Earnings Growth 2015 Target Rev: $5B Adj.

Or, for providing additive formulations that let you gain product performance and manufacturing efficiencies. We’ll provide step-by-step guidance and expertise to get you to the solution you need. Our collaborative process affords you flexibility in polymer design and access to a range of world-class services.

CLEVELAND – April 19, 2021 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announce SHENZEN, China – April 13, 2021 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, has unvei SHENZHEN, China – April 13, 2021 – As ready-to-eat foods, ready-to-cook foods, and food delivery services experience rapid growth, the demand for

CLEVELAND – PolyOne Corporation (NYSE: POL), a leading provider of specialized polymer materials, services and solutions, has launched ColorMatrix� MANNHEIM, Germany – PolyOne Corporation (NSYE: POL) a premier global provider of specialized polymer materials, services and solutions, today announ PolyOne Launches New Technologies, Highlights Design Services and 3D Printing at NPE 2015

Product/Service Overview Product/Service Overview Product/Service Overview

EY will provide us a description of work scope and supporting back-up documentation regarding the specific services they will provide. The Compensation Committee periodically reviews the relationship with the Consultant including the level and quality of services provided, as well as fees for those services. During 2024, the Consultant did not provide any services to the Company that were not related to executive and Director compensation.

Through the use of a handheld device, we offer signal alerts through an inspection platform, providing full control and real-time monitoring. Real-time Monitoring – User-friendly device provides instant response and allows prompt, effective counter-measures Browse and download our literature to learn more about Avient solutions and services.

Providing inspiration for this palette, distant and inaccessible places are seen as washes of colors, textures and patterns. These new ways of looking at the world provide a sense of connection to the planet and the people that inhabit it. PolyOne Corporation, with 2018 revenues of $3.5 billion, is a premier provider of specialized polymer materials, services and solutions.

It also provides an alternative to sleeve and opaque designs for containers, enabling customers to achieve aesthetic appeal with high-clarity containers that are also easy to recycle.” Ultimate UV390 is compatible with PET materials and provides effective UV light blocking up to 395nm. PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

CLEVELAND – January 22, 2024 – Avient Corporation, a leading provider of specialty and sustainable material solutions and services, is excited to announce the launch of ColorMatrix™ AAnchor™, an innovative acetaldehyde control technology designed for Polyethylene Terephthalate (PET) packaging. ColorMatrix AAnchor technology provides a comprehensive solution to improve the recyclability and quality of PET packaging. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.