Media contact Matt Defosse Marketing Communications Manager, Europe PolyOne Corporation +49 6407-907-0386 matt.defosse@avient.com Media Relations Contacts Company Officers

Media contact Matt Defosse Marketing Communications Manager, Europe PolyOne Corporation +49 6407-907-0386 matt.defosse@avient.com Media Relations Contacts Company Officers

Media Contact Jennifer Huang Marketing Communications Manager, Asia PolyOne Corporation +86 21 60284888 jennifer.huang@avient.com Media Relations Contacts Company Officers

Media contact Peter Bredenkamp Senior Marketing Communications Specialist PolyOne Corporation +44 151-632-8800 peter.bredenkamp@avient.com Media Relations Contacts Company Officers

Media contacts Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com Media Relations Contacts Company Officers

It’s the highest honor a non-sales associate can receive at our company. The objectives included (among others): the prioritizing of environmental, health & safety performance as a core element of the Company’s culture as an ACC Responsible Care Company. SC0.1 (SC0.1) What is your company’s annual revenue for the stated reporting period?

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The company delivered first quarter GAAP EPS of $0.91 compared to $0.86 in the prior year quarter. There will be a question and answer session following the company's presentation and prepared remarks. For the same reasons, the Company is unable to address the probable significance of the unavailable information. # # # 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.

Leaders at our global facilities are in contact with local community leadership such as police and fire, labor safety organizations, local affiliates of global environmental regulatory agencies, local officials and/or trade unions and works councils. Our disclosures are located at: https://www.avient.com/company/policies-and-governance/ca-transparency-act-disclosure https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-trafficking- statement We reinforce Our Commitment to human rights, as set forth above, throughout our organization by incorporating and reflecting these principles in organizational policies, training programs, and our governance management framework. Our Supplier Code of Conduct can be found at: https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf Our Supplier Code of Conduct drives interactions with our suppliers and our expectations for doing business, and generally aligns with International Labor Organization (ILO) standards. https://www.avient.com/company/policies-and-governance/ca-transparency-act-disclosure https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-trafficking-statement https://www.avient.com/company/policies-and-governance/europe-modern-slavery-and-human-trafficking-statement https://www.avient.com/sites/default/files/2020-10/supplier-code-of-conduct.pdf

If you have any questions, please feel free to contact Helen Devine (614) 644-8977. Sincerely, Helen Devine Helen Devine Certified Paralegal hdevine@OhioSOS.gov DOC ID ----> 202018203934 Change to the Name of the Company; Articles of Incorporation WHEREAS, the Board of Directors (the “Board”) of PolyOne Corporation, an Ohio corporation (the “Company”), deems it to be advisable and in the best interest of the Company to change its corporate name; and WHEREAS, the Board deems it to be advisable and in the best interest of the Company to amend the Company’s Articles of Incorporation, as amended, to reflect the Company’s new name. NOW, THEREFORE, BE IT RESOLVED, that, effective as of the time and date that the applicable certificate is accepted for filing by the Ohio Secretary of State (the “Effective Time”), the name of the Company shall be changed from “PolyOne Corporation” to “Avient Corporation.”