Corporate Media Contact Kyle G. Media Relations Contacts Company Officers

Voor meldingen aangaande bedenkelijke boekhouding, interne boekhoudkundige controles of auditzaken, kunt u kunt u ook contact opnemen met onze afdeling Internal Audit of uw bezorgdheden uiten aan de Auditcommissie van onze Raad van Bestuur door contact op te nemen met het hoofd Juridische zaken. Volg de plaatselijke meldingsprocedures of neem contact op met de overheid in geval van nood. Als u vragen heeft, neem dan contact op met uw manager van personeelszaken.

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

Lysol® is a trademark of Reckitt Benckiser LLC; Formula 409® is a trademark of The Clorox Company; Clorox® is a trademark of The Clorox Company. 5© 2021 Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 For the materials tested, a variety of flame-retardant (FR) polycarbonate (PC) alloys, including blends with acrylonitrile-butadiene-styrene (ABS), polyethylene terephthalate (PET), and polybutylene terephthalate (PBT), were benchmarked against FR copolyester and the chemically resistant (CR) aliphatic polyketone (PK) blends of the Trilliant HC8900 and Edgetek ET8900 series. MATERIAL BRIEF DESCRIPTION FR PC/ABS Flame retardant, chemical resistance, high ESCR FR PC/PET Flame retardant, impact modified, chemical resistant FR PC/PBT Skin-contact biocompatible, flame retardant, high chemical resistance FR Copolyester Flame retardant, chemical resistant, may incorporate agency-rated materials to meet USP Class VI or ISO 10993 requirements Trilliant™ HC8910 Unfilled PK blend, BPA-free, high chemical resistance, may incorporate agency-rated materials to meet USP Class VI or ISO 10993 requirements Trilliant™ HC8920 FR Non-halogenated flame retardant PK blend, BPA-free, high chemical resistance, may incorporate agency rated materials to meet USP Class VI or ISO 10993 requirements Edgetek™ ET8900 CR Unfilled PK blend, high chemical resistance Edgetek™ ET8900 HI CR High impact PK blend, high chemical resistance Edgetek™ ET8920 FR CR Non-halogenated flame retardant PK blend, high chemical resistance Table 2.

These sustainable solutions have and will continue to comprise a growing portfolio for our company, as demand increases across the globe and canvasses many end markets.

401(k) with immediate vesting and company match

As with most industries, sustainability is consistently taking the main stage for food and beverage packaging companies, and encouraging responsible business goals.

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

and its many stakeholders over the last decade, transforming the portfolio and culture to create a specialty growth company.  Investor Relations Contact: Eric R. Investor Contacts