DENSITY-MODIFIED POLYMER REPLACES BRASS, ACHIEVING PERFORMANCE, ENVIRONMENTAL AND COST BENEFITS © 2021, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about Gravi-Tech™ density- modified formulations, contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit us at avient.com. Avient’s experts customized a Gravi-Tech formulation that met our exact requirements.” Kane Whitaker, inventor of the PolyChek valve, said “Avient’s team supported us every step of the way—from material identification, through customization, testing and process optimization.

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. Avient reflects 2023 adjusted EBITDA guidance of $530M and estimated run-rate CAPEX of $110M. Avient Specialty Other Specialty / 2023E(%) 31 79 87 81 79 76 73 90 77 76 75 73 64 59 33 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.89.

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. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. For the same reasons, Avient is unable to address the probable significance of the unavailable information.

Contact Avient for more information or to discuss your specific application. Benefits include: • Alternating longitudinal (axial) fibers for flexural & tensile strength and circumferential (biaxial) fibers for crush & burst resistance • Manufactured continuously, at a much higher rate than standard filament winding • Resin matrix and fiber loading formulated to meet your property requirements • Tubing in standard or customized diameters and lengths STANDARD SIZES To learn more about Avient advanced composite solutions, call +1.844.4AVIENT or visit www.avient.com/composites 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.

To enhance its ability to more accurately predict part performance, Avient worked with Hexagon’s Digimat platform. Results & benefits Avient has applied the Digimat material model to two different load cases, a flexural test and a tensile test. Avient and Hexagon used Digimat to develop anisotropic long fibre material data for a molded connector rod.

When you work with Avient, you do. Long fiber thermoplastics (LFTs) offer benefits to design engineers seeking a material that provides exceptional strength, yet requires lightweight properties. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

They also offer an array of additional benefits including: • Reduced logistical and assembly costs • Extended product life to reduce part replacement and warranty expenses • Corrosion, weather, flame, and fatigue resistance to improve component durability • Reduced energy consumption during installation and use At Avient, we work with customers to customize our composites to meet application-specific material and performance requirements. http://www.avient.com/composites 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.

With a focus upon sustainability Avient has focused its additive technology development on mono-layer PET. PET is one of the most widely recycled packaging materials and Avient is committed to working with the market to ensure Lactra is recyclable and recycled. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

At Avient, our focus is helping you optimize your design, performance, and bottom line using material science and advanced technical services. Our product development engineers use an integrated approach that considers component and tooling design, material performance, and manufacturing processes to maximize the benefits of a material change and quicken your time to market. 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 representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information. 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.