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. Investor Relations Contact: Eric R. Investor Contacts

The company will then host a conference call at Investor Relations Contact: 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 reported third quarter sales of 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 now expects net debt to adjusted EBITDA will be below 3.0x by year-end. Investor Relations Contact: 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

Commenting on the company's outlook, Mr. Investor Relations Contact: Joe Di Salvo, Vice President, Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com or Media Contact: Kyle G. Investor Contacts

The company noted that full year 2024 GAAP EPS includes special items of 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 reported first quarter sales of 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 Consultant regularly attends Compensation Committee meetings, maintains regular contact with the Compensation Committee, and interacts with management to gather the data needed to prepare reports for Compensation Committee review. Fuller Company Trinseo S.A. To obtain comparability based on company size, the Consultant’s analysis either referenced a specific sample of comparably-sized companies or calibrated the pay of a broad sample of companies against company size.

Catering oem C AT E R I N G O E M F O O D T R A Y S • FDA approval for food contact • Specific color • Must be able to withstand high heat/sanitization • Offered the specific desired color • Food contact grade • Customizable high-performance solution able to withstand multiple cleaning cycles with detergents • Provided commercial, technical, and operational excellence support Colorant Chromatics PES Green Color- Concentrate KEY REQUIREMENTS WHY AVIENT?

MAM L E A R N T O D R I N K ™ C U P • Compliance with EU fatty food contact regulations* • Soft, gentle feel • Non-BPA, non-phthalate • Great colorability • Provided customized solution to comply with Europe’s fatty food contact requirements and application needs • Enhanced customer appeal with a soft, durable and custom-colored solution Versaflex™ FFC Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?