The company noted that GAAP EPS includes special items (Attachment 3). The question and answer session will follow the company’s presentation and prepared remarks. To access Avient’s news library online, please visit www.avient.com/news # # # 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.

For the same reasons, the Company is unable to address the probable significance of the unavailable information. The question and answer session will follow the company’s presentation and prepared remarks. # # 7 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 then host a conference call at Investor Relations Contact: Eric R. Investor Contacts

The company will then host a conference call at Investor Relations Contact: Eric R. 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. Investor Relations Contact: Joe Di Salvo, Vice President, Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Investor Contacts

Investor Relations Contact: Eric R. Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com; Media Contact: Kyle G. Investor Contacts

The company will then host a conference call at Investor Relations Contact: Eric R. Investor Contacts

Investor Relations Contact: Isaac D. Media Relations Contacts Company Officers

Investor Relations Contact: Isaac D. Media Relations Contacts Company Officers

Investor Relations Contact: Eric R. Media Relations Contacts Company Officers