We cannot guarantee that any forward-looking statement will be realized, although we believe we have been prudent in our plans and assumptions. We are proud that our employees feel we are a Great Place to Work®, and in 2024, we received our sixth certification. We further believe that Mr.

We further believe that Mr. In addition, we believe that Mr. We provide other benefits to the Named Executive Officers that we believe are necessary to compete for executive talent.

July 2024 POSITION ON WATER STEWARDSHIP Avient Corporation conducts its operations in an environmentally responsible manner that is protective of the communities in which we operate. We understand and acknowledge that water is a precious and vital resource, and we strive to ensure our operations do not compromise water quality or availability. Our externally certified Environmental Management System, which drives periodic review and engagement at all levels of the organization, helps ensure that we continually take steps to achieve those goals.

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 e ra ti n g I n co m e * 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 e ra ti n g I n co m e * 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?

It also determines how we launch sustainable products. As we look to the future, we expect these eight areas to gain even more importance— and acceptance—among our customers and their end users. We comply with the systems by which we are regulated by keeping up-to-date on existing and upcoming emissions trading schemes.

As we grow, we can add capacity with minimal investment. We create value for our stakeholders and we love to win. We are Avient.

Existing, current MSDSs will continue to reside in our system for the time being, as we cannot convert all to the new format immediately. PolyOne manages the implementation of GHS so as to accurately reflect the properties of our products, and while we do not anticipate wholesale changes to the documents that accompany our solutions because of the change, we do believe some changes will be evident. This means that we are implementing GHS format SDSs to continue to provide our valued customers their solutions of choice, and meeting coming regulations by the required deadline.

 We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Richardson Executive Vice President and Chief Financial Officer PolyOne Corporation Page 71 Who We Are Growing With http://www.google.com/url?

Terwijl we door uitdagingen en kansen navigeren, moeten we onthouden dat we meer belanghebbenden hebben dan onze werknemers, klanten en leveranciers. Terwijl we door uitdagingen en kansen navigeren, moeten we onthouden dat we meer belanghebbenden hebben dan onze werknemers, klanten en leveranciers. We tolereren geen vergelding.

Because these vinyl materials are a core competency of Avient, we have strong relationships virtually assuring an uninterrupted supply of dispersion resin. We have the expertise to help you clear your formulation, processing, or regulatory hurdles. Let Avient focus on what we do well; providing plastisol solutions formulated to the specific color, durometer and viscosity needs of your critical applications.