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Microsoft Word - Avient Announces Registration Details for December 4th Investor Day _for Microsite 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 4th Investor Day CLEVELAND – November 4, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, will host an Investor Day for the investment community on Wednesday, December 4, 2024, beginning at 10:00 a.m. Ashish Khandpur, President and Chief Executive Officer of Avient Corporation. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com

This is in alignment with the Avient Code of Ethics. Attitude of the Avient Group and level of risk the Avient Group accepts in relation to UK taxation The Avient Group does not engage in artificial tax arrangements. Further information The Avient Group’s publication of its UK tax strategy is applicable to all members of the Avient Group.

How does Avient help reduce carbon footprint? The Avient PAC Committee, comprised of Avient PAC Members, meets, discusses key topics and decides the annual budget. Avient’s management presents the ERM analysis to Avient’s Board of Directors regularly.

Avient forbids the use of any form of child labor in connection with Avient’s business. Additionally, Avient forbids any form of forced or compulsory labor or human trafficking in connection with Avient’s business. At Avient, our people are at the forefront of all we do.

Avient forbids the use of any form of child labor in connection with Avient’s business. Additionally, Avient forbids any form of forced or compulsory labor or human trafficking in connection with Avient’s business. At Avient, our people are at the forefront of all we do.

AVIENT RESPONSIBLE CARE POLICY Avient Corporation conducts its operations in a manner that is protective of the environment, and the health, safety and security of associates, customers, and all our stakeholders, including the communities in which we operate. It is Avient’s expectation that our stakeholders be equally committed to environmental responsibility. Each Avient associate’s responsibility is to give the highest priority to safety and health, both on and off the job.