As a result, designers are increasingly leveraging these benefits to advance innovation and product potential. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

Benefits of Hydrocerol™ Chemical Foaming Agents They are endothermic chemical foaming agents that provide the following benefits in the injection molding process: Chemical foaming agents versus other technologies PP T20 with physical foaming agent (PFA), large cell structures, thin outer cover layer PP T20 + 3% Hydrocerol concentrate, small cell structures, thick outer cover layer Photo source: Neue Materialen Bayreuth (GmbH) During the activation reaction, chemical foaming agents principally react in two ways: • exothermic • endothermic Exothermic CFAs release more energy during decomposition than needed for the reaction. THERE ARE 3 PHASES IN THE CORE-BACK EXPANSION MOLDING Core-Back Expansion (CBE) molding principle 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Knowing the benefits and drawbacks to such a switch can help you get started down the right path for your specific application needs. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

These materials combine the unique benefits of various internal lubricants with a wide array of base engineering resins. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

KEY CHARACTERISTICS • Design for shelf life, ergonomics and differentiation • Lighter weight bottles • Lower system cost vs. other rigid packaging TARGET MARKET AND APPLICATIONS UHT Dairy Packaging TECHNOLOGY BENEFITS • 100% visible light blocking for monolayer containers • Recyclable with general PET waste stream, even though additive is also present • Lower system cost • Offers shape differentiation for containers • Enables container designs that increase ease of pouring • Useful for re-sealable containers • Useful for containers that can be stored flat after opening • Offers light-weighting for PET bottle without reducing light blocking performance www.avient.com Copyright © 2020, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

www.avient.com Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

Consumer products that use a TPE grip have been used extensively to provide ergonomic benefits, particularly for usability and safety. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, mark-to-market adjustments associated with benefit plans, environmental remediation costs, acquisition-related costs, and other non-routine costs. Avient reflects 2023 adjusted EBITDA guidance of $525M and estimated run-rate CAPEX of $110M. 2023E (%) 23 79 90 84 83 76 73 88 82 77 74 72 67 57 20 Avient Specialty Other Specialty / MULTIPLE EXPANSION Note: Avient reflects 2023 adjusted EBITDA guidance of $525M and closing share price of $40.93.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. Buyer intends that its indemnification obligations for claims related to or brought by anyone directly or indirectly employed by Buyer or its subcontractors will not be limited by any provision of any worker’s compensation act, disability benefit act or other employee benefit act, and Buyer hereby waives immunity under such acts to the extent it would bar recovery under or prevent enforcement of Buyer’s indemnification obligations. 16. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. Buyer intends that its indemnification obligations for claims related to or brought by anyone directly or indirectly employed by Buyer or its subcontractors will not be limited by any provision of any worker’s compensation act, disability benefit act or other employee benefit act, and Buyer hereby waives immunity under such acts to the extent it would bar recovery under or prevent enforcement of Buyer’s indemnification obligations. 16. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.