PolyOne’s Chief Financial Officer presents Management’s ERM analysis to PolyOne’s Board of Directors on an annual basis. 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. Below is a reconciliation of these non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP.

Spotlight Awards Recognizes employees that go above and beyond their typical duties on a project or task that had a significant financial impact on the organization. We were also selected as an America’s Greenest Companies by Newsweek and Financial Post in its (with no apostrophe)inaugural year ranking. Financial information referenced here is provided to aid in reconciling back to the most comparable GAAP figures.

Richard Fearon Non-Executive Chairman, Avient Corporation Retired Vice Chairman and Chief Financial and Planning Officer, Eaton William R Jellison Retired Vice President, Chief Financial Officer, Stryker Corporation Kerry J. Financial information referenced here is provided to aid in reconciling back to the most comparable GAAP figures. Financial information referenced here is provided to aid in reconciling back to the most comparable GAAP figures.

• Inform Avient of financial, economic, supply changes (including origin or conflict status of 3TG metals), government regulations or other materials conditions that could affect ongoing operations or operating decisions, or if the company has been debarred as a government contractor. • Establish an information security and data privacy system to protect Avient’s information, including information of its customers and employees, from being disclosed, changed, destroyed, or used for any purpose other than the purpose for which it was provided.

• Inform Avient of financial, economic, supply changes (including origin or conflict status of 3TG metals), government regulations or other materials conditions that could affect ongoing operations or operating decisions, or if the company has been debarred as a government contractor. • Establish an information security and data privacy system to protect Avient’s information, including information of its customers and associates, from being disclosed, changed, destroyed, or used for any purpose other than the purpose for which it was provided.

Energy: o Diesel Fuel Consumption: 2,868,323 kWh o Natural Gas Fuel Consumption: 178,696,287 kWh o Renewable Energy Consumed - Self Generated (solar): 681,059 kWh o Renewable Energy Consumed - Self Generated (Wind): 2,385,048 kWh o Grid Electricity Consumed: 409,650,679 kWh o Renewable Energy Credits (REC) Purchased: 112,413,420 kWh o Renewable Electricity Consumed – Offsite: 138,415,253 kWh Page 2 Period covered by GHG emissions verification: • January 1, 2023 to December 31, 2023 Global Warming Potential (GWP) and emission factor data sets: • IPCC GWP: AR6 • USEPA Emission Factor Hub, released 2024 • USEPA eGRID, released 2024 • Final Rule (40 CFR 98) - Industrial Sector 2013 • DEFRA, released 2023 • IEA, released 2023 • European Residual Mix, released 2022 v2.0 GHG Reporting Protocols against which verification was conducted: • World Resources Institute (WRI)/World Business Council for Sustainable Development (WBCSD) Greenhouse Gas Protocol, Corporate Accounting and Reporting Standard, Revised Edition (Scope 1 and 2) and the GHG Protocol Scope 2 Guidance, an amendment to the GHG Protocol Corporate Standard • WRI/WBCSD Corporate Value Chain (Scope 3) Accounting and Reporting Standard Verification Protocols used to conduct the verification: • ISO 14064-3 Second Edition 2019-04: Greenhouse gases - Part 3: Specification with guidance for the verification and validation of greenhouse gas statements • Apex’s standard procedures and guidelines for external Assurance of Sustainability Reports and International Standard on Assurance Engagements (ISAE) 3000 Revised, Assurance Engagements Other than Audits or Reviews of Historical Financial Information (effective for assurance reports dated on or after Dec. 15, 2015), issued by the International Auditing and Assurance Standards Board.

For example, Personal Data could be an individual’s Social Security Number (SSN), name, address, date of birth, tax identification number or equivalent, credit or debit card number, or financial account number.

Le personnel comptable d’Avient doit tenir à jour les registres comptables d’Avient et préparer ses rapports financiers de façon exacte et complète. Les processus de production de rapports financiers de l’Entreprise comprennent des contrôles comptables internes qui sont conçus pour produire des rapports financiers et d’autres informations financières de manière fiable. À cette fin, Avient a autorisé certaines personnes à parler aux médias, aux analystes financiers et aux investisseurs au nom de l’Entreprise.

Le personnel comptable d’Avient doit conserver les dossiers comptables d’Avient et préparer nos rapports financiers de manière exacte et exhaustive. Les processus de reporting financier de la société contiennent des contrôles comptables internes, conçus afin de produire des rapports financiers et autres informations financières fiables. Dans ce but, Avient a autorisé certaines personnes à parler aux médias, aux analystes financiers et aux investisseurs, au nom de la société.

Le personnel comptable d’Avient doit conserver les dossiers comptables d’Avient et préparer nos rapports financiers de manière exacte et exhaustive. Les processus de compte rendu financier de la société contiennent des contrôles comptables internes, conçus afin de produire des rapports financiers et autres informations financières fiables. Dans ce but, avient a autorisé certaines personnes à parler aux médias, aux analystes financiers et aux investisseurs, au nom de la société.