For more information, visit https://www.avient.com.  

To access PolyOne’s news library online, please visit http://www.polyone.com/news.

Fogging of windows can impair visibility, while odor can be offensive or cause allergic or respiratory reactions. http://www.ecocenter.org/article/news-ecolink-press-releases/new-ecology-center-guide-toxic-chemicals-cars-helps-consumers To access PolyOne’s news library online, please go to www.polyone.com/news.

Includes estimated full year performance of APM acquisition ** 2019 baseline data revised to account for acquisition pro-forma performance and divestitures ¹Refer to CDP Climate Change Report for finalized Energy/Emissions information at https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report  ⁴Certificates can be found at https://www.avient.com/company/policies-and-governance/global-iso-certificate-library

Update on last year; Risk – Identify, Assess, Mitigate, Monitor In our previous statements ColorMatrix committed to identifying and mitigating risk through our supply chain and improving our internal controls. A full copy of Avient’s Code of Conduct is available in over 20 languages and can be found here: Avient’s Policy on Human Rights can be found here: https://www.avient.com/ https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/policies-and-governance-0/avients-human-rights-policy Page 2 of 3 Training To mitigate against the risk of non-compliance with our policy, Avient requires all associates to complete mandatory Code of Conduct training. In 2024, we launched a third-party risk system to proactively monitor supply chain resiliency across our supplier base, which would provide Avient with notification of public disclosures.

said, "We continue to monitor the evolving trade environment, collaborating with our customers and suppliers to implement mitigating actions where appropriate. chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. 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.

 PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with strengths  Innovation and services provide differentiation, incremental pricing power and competitive advantage  Strategic balance between reinvestment for growth and returning cash to shareholders  Strong and proven management team driving growth and performance 18 POLYONE CORPORATION Segment Highlights POLYONE CORPORATION 19 2016 Revenue: $0.8 Billion At a Glance: Color, Additives & Inks Key Applications 2016 Revenue by Industry Expanding Profits 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 16.0% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision United States 45% Europe 33% Asia 15% Latin America 5% Canada 2% Packaging 30% Industrial 15% W & C 10% B & C 10% Textiles 9% Transportation 9% Consumer 7% Healthcare 6% Appliance 2% E & E 2% POLYONE CORPORATION 20 2016 Revenue: $0.6 Billion At a Glance: Specialty Engineered Materials 2016 Revenue by Industry Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 14.3% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision Consumer 19% Transportation 19% E & E 15% W & C 15% Healthcare 11% Industrial 8% Packaging 7% Appliance 3% B & C 3% United States 51% Europe 27% Asia 20% Canada 2% Key Applications POLYONE CORPORATION 21 2016 Revenue: $0.4 Billion At a Glance: Designed Structures & Solutions 2016 Revenue by Industry Expanding Profits 1.4% 5.6% 7.3% 3.0% 8-10% -0.9% 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision Transportation 27% Industrial 21% Packaging 21% B & C 11% Healthcare 8% Consumer 8% Appliance 3% E & E 1% Key Applications United States 95% Canada 5% http://www.google.com/url? 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.

ENFORCEMENT AND MONITORING Authorized individuals within Avient IT may monitor or audit Information Systems use, whether company or personal, including, without limitation, Internet traffic and e-mail content, at any time and without prior notice to the User. Examples of Information Systems include, but are not limited to, computer equipment (PCs, printers, copiers, monitors), storage media (USB-devices, data disks/cards, cloud storage/applications), cell and desk phones, internet access, internet servers, and operating systems. Information Systems Use Policy Information Systems Use Policy Purpose Scope Usage Expectations for Use of Information Systems Prohibited Uses of Information Systems Personal Use Social Media Enforcement and Monitoring Questions and Additional Information Document Change and Review History Appendix A: Definitions

At the highest level, Avient’s Board of Directors has had a long-standing Environmental, Health & Safety (EH&S) Committee overseeing and monitoring environmental, health, safety, security, and product stewardship standards—including oversight of climate-related risks*.

Mevopur™ Pre-Color for Glucose Monitoring Device Pre-Color formulation for a medical device OEM of a continuous glucose monitoring system