The hotline is operated by an external professional service company and ensures anonymity. 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. Our procurement and compliance teams will continue to focus on identifying and addressing any potential risks in our supply chain and the business will continue to provide awareness and training to all of its employees.

is a premier provider of specialized polymer materials, services and solutions. 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 Net cash provided (used) by operating activities

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. Management believes this provides comparability of the performance of the combined businesses. A reconciliation of these measures to their most directly comparable GAAP measures is provided in the tables below.

Committed financing for the acquisition is being provided by Morgan Stanley and J.P. To participate in the audio-only portion of the call, dial 1-844-835- 7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 4774915. To listen to this recording, dial 1-855-859- 2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 4774915.

Discover Avient's deep black colorants specially developed to provide intense jetness to spun-dyed polyester textiles. Avient's Value-added Services ColorMatrix™ SOS Small Order Service

With HIFORMER, you are surrounded by service, technology and expertise from the design stage to the start of production and beyond. Browse and download our literature to learn more about Avient solutions and services. Hiformer™ Liquid Polymer Processing Aid provided sustainability and production benefits for packaging film supplier

Avient enhances virtual simulation and prediction services for structural applications of its fiber-reinforced polymer materials. Especially useful for structural applications, the new global capabilities complement an existing suite of comprehensive design and technical services  to improve Avient’s ability to simulate the expected performance of short, long, and continuous fiber composites. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Because Color Inspiration 2018 is a foundational element of its InVisiO Color and Design Services, PolyOne can go beyond simple inspiration. About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • disruptions or inefficiencies in our supply chain, logistics, or operations; • changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • fluctuations in raw material prices, quality and supply, and in energy prices and supply; • demand for our products and services; • production outages or material costs associated with scheduled or unscheduled maintenance programs; • unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • information systems failures and cyberattacks; • our ability to service our indebtedness and restrictions on our current and future operations due to our indebtedness; • amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; • other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation, geopolitical conflicts, and any recessionary conditions; and • other factors described in our Annual Report on Form 10-K under Item 1A, “Risk Factors.” 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. Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA and Adjusted Earnings Per Share, to the most comparable GAAP financial measures on a forward- looking basis because Avient is unable to provide a meaningful or accurate calculation or estimation of reconciling items, and the information is not available without unreasonable effort.

Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA and Adjusted Earnings Per Share, to the most comparable GAAP financial measures on a forward-looking basis because Avient is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. For the same reasons, Avient is unable to address the probable significance of the unavailable information. 2 3 AVIENT OVERVIEW OUR VISION: Creating specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world 2023 Financial ResultsCompany Overview Revenue By: 9,300 Employees 102 Manufacturing Sites 20,000+ Customers Key Highlights  Premier formulator of specialized and sustainable materials solutions  Asset-light business model, with flexibility to adapt to customer needs  Best-in-class technology and service (140+ PhDs / 2,500+ patents)  History of transformation through successful M&A while consistently returning cash to shareholders  Poised for continued future growth in excess of GDP $3.14B Revenue $2.36 Adjusted EPS $502M Adjusted EBITDA 16.0% Adjusted EBITDA Margins $186M Adjusted Free Cash Flow Over $1B in share buybacks since 2011 Raised dividend for 13 consecutive years, a 15% CAGR since 2011 U.S. & Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 41% 36% 18% 5% 7% 7% 23% 19% 9% 16% 10% 5% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. A reconciliation of these measures to their most directly comparable GAAP measures is provided in the tables below.