Wilflex™ Revive™ Inks, Created With 50-59% Bio-Derived Content, Are Available From Wilflex™ Distribution Partners Beginning March 1, 2024.     Wilflex Revive bio plastisol inks will be available from Wilflex distributors beginning March 2024.

These color and additive solutions are available as concentrates or ready-to-use pre-colored formulations in bio-based polypropylene, polyethylene, polycarbonate, styrenic resins and ABS. Detailed regulatory information is available from your Avient contact.

CLEVELAND – PolyOne Corporation (NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, has announced that its Versaflex™ soft-touch materials for consumer electronics are now available in combination with its Percept™ Authentication Technologies. PolyOne’s newly available formulation of technologies can help companies combat counterfeiting and reduce the risks associated with fraudulent goods such as phone cases, smart watches, headphones, earbuds and other wearable electronics.

The service is available in North America for injection molding applications using polyolefin resins.   Available with quick turnaround for small volume delivery, overall results are faster speed to market, higher profitability, and less overall frustration.  

This certification ensures that our tool meets rigorous criteria and addresses relevant safety aspects, providing you with reliable and accurate data. Contact us Raw Materials Transportation Company Facilities SCOPE 3 Raw Material 1 Raw Material 2 Raw Material 3 Electricity Steam SCOPE 2 SCOPE 1 PRODUCTS AVIENT PCF CALCULATOR PROCESS https://www.certipedia.com/quality_marks/0000084994? locale=en https://www.avient.com/resource-center/services/product-carbon-footprint-pcf-calculator https://www.avient.com/submit-a-design-engineering-question

PR 202 ADVANCED DISPERSIONS SPECIALTY COLORANTS Spectrophotometric Fact Sheet EXPLANATION OF SPECTROPHOTOMETRIC DATA Avient certifies our colorants based on CIELAB spectrophotometric color difference data for each lot of product. This chart represents a small fraction of the colors available.

The Robinson-Patman Act also requires that promotional allowances and services be proportionally available to competing customers. subject= http://avient.ethicspoint.com http://www.Avient.com/company/policies-and-governance/ethics-hotline http://www.Avient.com/company/policies-and-governance/ethics-hotline 1. ✓ Document the source and date of receipt of all competitors’ price lists and other competitive data contained in your files

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; • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows, including without any limitation, any supply chain and logistics issues; • Changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • 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; • 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; • Any material adverse changes in the equity and assets of Koninklijke DSM N.V.’s protective materials business (“the Dyneema Business”); • Our ability to achieve the strategic and other objectives relating to the acquisition of the Dyneema Business and the possible sale of the Distribution business segment; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2021 and our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2022 under Item 1A, “Risk Factors.” Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA, Adjusted Earnings Per Share, Adjusted Operating Income and Free Cash Flow, 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. Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Distribution business SEGMENT DATA U.S. & Canada 50% Latin America 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% Building and END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $4,819M and $581M, respectively, include intercompany sales eliminations and corporate costs $2,402M $409M $919M $164M $1,631M $94M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $581M$4,819M (1) 24 34% Building & 1% Telecommunications C O L O R , A D D I T I V E S & I N K S 2021 REVENUE | $2 .4 BILL ION 32% 40% Latin America END MARKET REGION 25 S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 27% Building & 2021 REVENUE | $919 MILLION END MARKET 55% REGION 26 D I S T R I BU T I O N 26% Building and 80% 3% Latin America END MARKET REGION K E Y S U P P L I ER S 2021 REVENUE | $1 .6 B ILL ION 27 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET 30% 26%Healthcare 14% Building & 2% Energy (16% of sales) 32% Building & (25% of sales) 28 19% Building & US & Canada (50% of sales) 38% 33% Building & LATAM (9% of sales) Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

KUNSTSTOFF SCHWANDEN E L E C T R I C V E H I C L E P A R T • Replace aluminum to reduce part weight and overall weight of the electric vehicle • Secure supply of high volume of material • Flexible delivery • Cost competitive • Enabled OEM to replace metal and reduce part weight • Provided excellent customer service, sending samples and technical data promptly • Supported customer with processing queries • Secured material supply and flexible delivery – delivering on a specific date each month Maxxam™ Polyolefin Formulations KEY REQUIREMENTS WHY AVIENT? All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/general-engineered-formulations/maxxam-polyolefin-formulations Kunststoff Schwanden

ELAUSA ELECTRONICS V E H I C L E L I G H T H E A T S I N K • Replace aluminium to reduce part cost and weight • Maintain similar thermal transition to current material • Simplify manufacturing • Reduced part weight from 38g to 9g • Provided the required thermal efficiency through part re-design and material choice • Enabled upfront simulation data through Avient Design reducing risk of metal replacement • Simplified manufacture process to a single injection molding step Therma-Tech™ Thermally Conductive Formulations KEY REQUIREMENTS WHY AVIENT? All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma-tech-thermally-conductive-formulations