Further performance can be delivered through an engineered thermoplastic sheet or thick film, which may incorporate more than one resin formulation or composite in multiple layers to impart additional properties such as gas barrier, structural integrity and lightweighting. Any such provision is recognized using the Company's best estimate of the amount of loss incurred, or at the lower end of an estimated range, when a single best estimate is not determinable. Any such provision is recognized using the Company's best estimate of the amount of loss incurred, or at the lower end of an estimated range, when a single best estimate is not determinable.

Best practices for handling and using ColorMatrix™ Joule™ RHB Fast Reheat Dispersions Best practices relating to blowing of preforms containing ColorMatrix™ Joule™ Reheat Additives

president, Specialty Engineered Materials, was the clear, best choice.  SEARCH INVESTOR NEWS

• Offered one-stop solution for technology services to meet customer demands of cost and performance LubriOne™ LB6600-8019 AR NC001 Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION SHORT LEAD TIME + ONE-STOP SERVICE LEARN MORE Copyright © 2020, Avient Corporation. All Rights Reserved. https://www.polyone.com/products/engineered-polymer-formulations/general-engineered-formulations/lubrione-internally

This event is one of the leading trade shows for plastics and rubber and will be held at the Bangkok International Trade & Exhibition Center (BITEC) in Thailand from today until May 18.   More brand owners in the plastics and rubber industries are now looking for sustainable and innovative alternative materials that can also meet performance demands," says Flight Xu, General Manager, Specialty Engineered Materials Asia for Avient, “As a global provider of specialized TPEs and specialty engineered materials, we have also developed lightweight, recycled, bio-based, and eco-conscious materials with a lower carbon footprint than virgin alternatives to support sustainability goals from conception to commercialization.”   SEARCH INVESTOR NEWS

– January 30, 2024 – Avient Corporation will feature its specialty and sustainable polymer solutions for healthcare products at MD&M West next week, one of the leading medical device trade shows in the U.S. Engineered Polymer Materials: SEARCH INVESTOR NEWS

Check one box below and provide information as required: Complete the following information: Form 540 Prescribed by: POLYONE CORPORATION 1181191 1701.70(B)(6) DOC ID ----> 202018203934 Page 2 of 2Form 540 Last Revised: 06/2019 A copy of the resolution of amendment is attached to this document. Sincerely, Helen Devine Helen Devine Certified Paralegal hdevine@OhioSOS.gov DOC ID ----> 202018203934 Change to the Name of the Company; Articles of Incorporation WHEREAS, the Board of Directors (the “Board”) of PolyOne Corporation, an Ohio corporation (the “Company”), deems it to be advisable and in the best interest of the Company to change its corporate name; and WHEREAS, the Board deems it to be advisable and in the best interest of the Company to amend the Company’s Articles of Incorporation, as amended, to reflect the Company’s new name.

end life” New designs for energy and carbon efficiency New applications for used and recycled plastics Page 31 Therma-Tech™ LED Lighting • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost Page 32 Decreasing Decreasing Dependence on Dependence on Fossil FuelsFossil Fuels Globalizing and Globalizing and LocalizingLocalizing Protecting the Protecting the EnvironmentEnvironment Protecting the Protecting the EnvironmentEnvironment Improving Improving Health and Health and WellnessWellness Improving Improving Health and Health and WellnessWellness Alignment with Megatrends • Aging population • Longer life expectancy • Healthy living • Aging in place • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Page 33 48.7% $40.5 26.3% Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth Specialty Platform Gross Margin % * Percentage of Specialty platform revenue from products introduced in last five years 19.5% 2006 2011PF $20.3 2006 2011PF 14.3% 2006 2011PF ($ millions) Page 34 StrategyStrategy PolyOne Innovation Framework Unmet Needs Identification Idea Generation and Shaping Offering Offering Offering Offering Phased Offering Launch Offering Offering LaunchLaunch Offering Offering DevelopmentDevelopment Market Penetration and Value Maximization Intellectual Property ● Resources ● CultureIntellectual Property ● Resources ● Culture Page 35 • Accelerate growth in targeted industries and expand geographic presence through market-driven innovations • Leverage new talent, tools, and training to drive customer satisfaction and margin expansion Critical Imperatives satisfaction and margin expansion • Translate best practices to / from ColorMatrix • Drive specialization using a value-based mindset Page 36 Page 37

Long fiber thermoplastics (LFTs) offer benefits to design engineers seeking a material that provides exceptional strength, yet requires lightweight properties. When working with Avient, our materials and technical experts act as an extension to your design and engineering teams, supporting your projects from start to finish. SIMULATION SUPPORT Computer-aided engineering (CAE) allows us to accurately and efficiently understand a variety of assessments that help us guide your team through the design phase of a project to confidently dial in on a final design.

Engineered Polymer Formulations ColorMatrix™ Lactra™ Four, One, Zero Engineered Fiber Solutions