Certification instructions. You must sign the certification. You may cross out item 2 of the certification. 4.

Certificate of Amendment Loi canadienne sur les sociétés par actionsCanada Business Corporations Act Certificat de modification Avient Colorants Canada Inc. 942266-8 Corporate name / Dénomination sociale Corporation number / Numéro de société Raymond Edwards Date of amendment (YYYY-MM-DD) Date de modification (AAAA-MM-JJ) Director / Directeur 2021-01-15 I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 178 of the Canada Business Corporations Act as set out in the attached articles of amendment.

masterbatch business; the ability to obtain required regulatory or other third-party approvals and consents and otherwise consummate the acquisitions; our ability to achieve the strategic and other objectives relating to the acquisitions, including any expected synergies; our ability to successfully integrate

masterbatch business; the ability to obtain required regulatory or other third-party approvals and consents and otherwise consummate the acquisitions; our ability to achieve the strategic and other objectives relating to the acquisitions, including any expected synergies; our ability to successfully integrate

With our proprietary NEUSoft™ thermoplastic polyurethanes and customizable polymer material solutions, Avient offers reliability, biocompatibility, flexibility, and more to successfully empower you to navigate design, performance criteria, and regulatory approvals.  

Brown: Please be advised that the office of the Secretary of State has reviewed your pre- clearance request for the Certificate of Amendment for PolyOne Corporation. If you wish to expedite the amendment certificate the fees are listed. 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.”

5‘冲」之七乃竿月 rf』J枯：“号淤，石 「3 ;:;This certificate is valid from 20 February 2021 until 19 February 2024 S SGSGS and remains valid subject to satisfactor y surveillance audits Re certification audit due before 6 January 2024 Issue 6.

Exhibit 31.1 CERTIFICATION I, Stephen D. Newlin Exhibit 31.2 CERTIFICATION I, Richard J. Exhibit 32.1 CERTIFICATION PURSUANT TO 18 U.S.C.