This is often reported as tensile at various percentages of the original length of elastomer, such as 50, 100 and 300 percent. This is reported in percentage of original length. Limited

Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,135 2016 2018 2020 2023 $51 $84 $212 $645 2016 2018 2020 2023 $108 $113 $231 $230 2016 2018 2020 2023 $265 $358 $726 $725 2016 2018 2020 2023 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 Adjusted EPS TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile 5 Avient CDP Score: A- FE BRUARY 14 , 2024 W E BCAS T P RE S E N TAT I O N DR. ASHISH KHANDPUR PRESIDENT & CEO 7 8 PORTFOLIO TRANSFORMATION 8 7% 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d EB IT D A Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications SUSTAINABILITY AS A GROWTH DRIVER 9 LONG-TERM REVENUE GROWTH DRIVERS Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other 60%+ Key Growth Drivers Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other 0–2% Avient 6% END MARKET OBSERVATIONS (% OF COMPANY SALES) ENERGY 5% DEFENSE 7% TELECOMMUNICATIONS 4% HEALTHCARE 7% 10 TRANSPORTATION 10% INDUSTRIAL 16% BUILDING & CONSTRUCTION 9% CONSUMER 19% PACKAGING 23% 11 REGIONAL OBSERVATIONS (% OF COMPANY SALES) 11 US & Canada Latin America EMEA Asia 41% 36% 18% 5% Q 4 2023 RE S U LT S Q4 2023 PERFORMANCE VS. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

Slide 1 PolyOne Corporation Page 1 PolyOne Investor Presentation Goldman Sachs 2015 US Emerging/ SMID Cap Growth Conference November 2015 PolyOne Corporation Page 2 Forward-Looking Statements  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. 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. Appendix Q3 2015 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 Outdoor Applications Slide Number 27 Authentication Technology 2015 Range Rover Evoque Interior Slide Number 30 Metal Replacement Solutions High-Barrier Packaging Containers Aerospace Applications Baird Non GAAP Rec.pdf Baird - November 10, 2015

PolyOne Corporation Page 1 PolyOne Investor Presentation March 2016 PolyOne Corporation Page 2 Forward-Looking Statements  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. 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. Appendix Recent Acquisitions 2015 Full Year Financial Highlights At a Glance�Color, Additives and Inks At a Glance�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 Application Examples Outdoor Applications Slide Number 32 Authentication Technology Metal Replacement Solutions Range Rover Evoque Interior Slide Number 36 High-Barrier Packaging Containers Aerospace Applications Investor Presentation - March 1, 2016 r36 Investor Presentation - March 1, 2016

CREATING A WORLD-CLASS, SUSTAINABLE ORGANIZATION In this annual report, 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. Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Limitations in internal control over financial reporting Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements.

With our wide range of material solutions, we will work with you to find the right balance between functionality and design.  We’ll show you innovative materials, talk through cost efficiencies, and share environmentally conscious and sustainable solutions.

Homepage // News Center // PolyOne Launches New High-Performance Solutions for Automotive Interiors Both new solutions are available now to customers around the world. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Altice as President of Designed Structures and Solutions Altice as senior vice president, president of Designed Structures and Solutions (DSS), the company’s specialty sheet, rollstock and packaging solutions business segment. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

Homepage // News Center // PolyOne Establishes Outdoor High Performance Solutions Team CLEVELAND – Demand for innovative polymer solutions is increasing among outdoor sporting and tactical equipment makers and their consumers. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

CLEVELAND – April 30, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its first quarter results for 2021. This is a direct result of the investments we have made to transform our portfolio to one that is more specialized and focused on high growth end markets with sustainable solutions,” said Robert M. We specialize in formulating sustainable solutions to meet our customers’ toughest challenges, and I am proud of how well our team has delivered throughout the COVID- 19 pandemic and recent supply chain disruptions.”