These TPE grades, formulated for consumer applications, can be used in personal care products, lawn and garden tools, outdoor goods, office supplies, footwear, and houseware durables. Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation +1 440-930-1988 michelle.maniscalco@avient.com Company Officers

PolyOne Corporation chairman, president and chief executive officer, executive vice president and chief financial officer,

PolyOne Corporation chairman, president and chief executive officer, executive vice president and chief financial officer,

PolyOne Corporation chairman, president, and chief executive officer, executive vice president and chief financial officer,

PolyOne Corporation chairman, president, and chief executive officer, executive vice president and chief financial officer,

PolyOne Corporation chairman, president and chief executive officer, executive vice president and chief financial officer,

LESLIE SEQUEIRA Chief Information Officer Leslie Sequeira is Chief Information Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

AMY EVINS Interim Chief Information Officer Amy Evins is Interim Chief Information Officer at Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com Blank Page Blank Page Blank Page

Revised: December 20, 2024 AVIENT CORPORATION Securities Trading Policy 1. General Policy: The Board of Directors of Avient Corporation (the “Company”) has determined, consistent with the Company’s Code of Conduct, that it is the Company’s policy to comply with all applicable federal and state securities laws, including those relating to buying or selling securities of the Company. The Company may permit exceptions to this policy for individuals only upon prior authorization by any two of the following three officers of the Company: Chief Executive Officer, Chief Financial Officer, and General Counsel. 12.

PolyOne Corporation PolyOne Corporation PolyOne Corporation