Media Contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com Media Relations Contacts Company Officers

Media contact Jennifer Huang  Senior Manager, Marketing Communications Asia  Avient Corporation   +86 21 6028 4888  jennifer.huang@avient.com Media Relations Contacts Company Officers

Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com Media Relations Contacts Company Officers

CERTIFICATE CONFIRMING INCORPORATION OF COMPANY AVIENT COLORANTS SINGAPORE PTE. name change effective from 17/05/2021) :Company Name 201916958NUEN : This is to confirm that the company was incorporated under the Companies Act, on and from 27/05/2019 and that the company is a PRIVATE COMPANY LIMITED BY SHARES. The company was formerly known as: S/N Company Name Effective From 1.

The company will conduct a conference call at A simultaneous webcast of the call will be accessible via the company's website at www.polyone.com/investor. Investor Contacts

Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Media Relations Contacts Company Officers

Contact Avient here to learn more.   Media Relations Contacts Company Officers

Media contact Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation michelle.maniscalco@avient.com   Media Relations Contacts Company Officers

This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com Sensorial comfort is an important aspect for textiles which are in direct contact with our skin. KEY BENEFITS • Highly dispersed additives with high efficacy at low to moderate dosages • Excellent compatibility with the application resin • Non-phenolic and non-phthalate additives • Formulated without animal-derived substances • Food contact compliance according to US FDA and EU norms • OEM approvals for hygiene products • Can be combined with colors into a single combination concentrate for convenience • Product guidance and technical assistance from our experts

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.