The question and answer session will follow the company’s presentation and prepared remarks. For the same reasons, the Company is unable to address the probable significance of the unavailable information. 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 conduct a conference call at Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Investor Contacts

The company expects approximately Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Investor Contacts

Total Company 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 acquired Clariant's color ("Clariant Color") business on 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

Achieving 100% post-consumer recycled (PCR) packaging is at the forefront of the sustainability goals for many consumer goods companies. Helps companies meet sustainability goals

When the company decided to redesign this critical valve insert for one of its medical pumps, the project was beset with problems. That saved the company $70,000 a year in direct manufacturing costs.

Sports fans can order seats and seat belts in their favorite team’s colors to show their support everywhere they drive; or, a company could outfit its sellers’ fleet with the colors of the company logo.

Corporate Media Contact: Kyle G. Media Relations Contacts Company Officers

The company reported third quarter sales of $815.2 million compared to $753.7 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.