Pet tech companies are creating ‘wellbeing ecosystems’ which allow pet owners oversight of everything from their pet’s activity levels and the quality of their sleep, to when they get fed, how much they eat, and when they enter and leave the house. Call, chat, or submit a form here. © 2022, Avient Corporation www.avient.com https://www.polyone.com/contact-us-now

COMPANY CONTACT INFORMATION corporateregulatory@avient.com ENVIRONMENTAL EFFECTS Based on its physical/ chemical properties (insolubility, no vapor pressure), Carbon Black released into the environment will be distributed mainly in soil or sediments.

COMPANY CONTACT INFORMATION corporateregulatory@avient.com ENVIRONMENTAL EFFECTS The substance is a natural mineral.

Photos (L to R): 1) Exploring sustainable color innovations at our ColorWorks™ facility in Merate, Italy. 2) Inaugurating the Zero Liquid Discharge facility in Pune, India—a significant step in our water conservation journey. 3) Presenting United Way with the donations from Avient’s annual supplier golf outing, an example of our commitment to community engagement. Avient was again named one of America’s Most Responsible Companies by Newsweek and Statista and a Barron’s 100 Most Sustainable Companies in 2024. This is Avient's 7th sustainability report. 102–52 Reporting cycle At minimum, biennial 102–53 Contact point for questions regarding the report https://www.avient.com/contact-us-now 102–54 Claims of reporting in accordance with the GRI standards This report has been prepared in accordance with the GRI Standards: Core Option.

The company reported second quarter sales of $866.5 million, compared to $849.7 million in the prior year quarter. The question-and-answer session will follow the company’s presentation and prepared remarks. 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. 5 Investor Relations Contact: Giuseppe (Joe) Di Salvo Vice President, Treasurer and Investor Relations Avient Corporation +1 440-930-1921 giuseppe.disalvo@avient.com Media Contact: Kyle G.

The company will host a webcast at Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Investor Contacts

The company is dedicated to serving customers in diverse industries around the globe, by creating value through collaboration, innovation and an unwavering commitment to excellence. Media Relations Contacts Company Officers

Rolatube, an innovative company with a fresh approach to product design, is the world’s only bistable, rollable composite manufacturer. The thermoplastic polymer base resin used also enables recyclability to support the company’s sustainability goals. If you’d like assistance with material selection for your applications, contact us.

To meet the FERC requirements, each utility company is required to perform a risk assessment of their systems, identify the most critical assets within the power grid, and then propose and implement a plan to protect them. Using GlasArmor panels, Ballisti-Wall® and Ballisti-Cover® solutions enable utility companies to add a superior level of protection to critical components and meet FERC security requirements within a modular, adaptable construction.  Learn more about Avient’s advanced composite ballistic panel technologies, composite solutions or contact us to connect with one of our experts.

Avient Company Officers Investor Contacts