A registration statement relating to these securities has been filed with the The offering will be made only by means of the prospectus in that registration statement and the related prospectus supplement. common shares nor shall there be any sale of such common shares in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

A registration statement relating to these securities has been filed with the The offering will be made only by means of the prospectus in that registration statement and the related prospectus supplement. common shares nor shall there be any sale of such common shares in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

This is to certify that Fiber-Line, LLC 280 Performance Drive SE, Hickory, North Carolina 28602 USA Quality Management System ISO 9001:2015 Manufacture of textile components to cable manufacturers. Certificate No.: CERT-0116814 Original Certification Date: November 24, 2010 File No.: 1616267 Certification Effective Date: April 1, 2021 Issue Date: March 30, 2021 Certificate Expiry Date: March 31, 2024 ________________________________________________________________________________ ISO 9001 Registered by: QMI-SAI Canada Limited (SAI Global), 20 Carlson Court, Suite 200, Toronto, Ontario M9W 7K6 Canada. This registration is subject to the SAI Global Terms and Conditions for Certification.

Homepage // News Center // PolyOne Specialty Coatings and Inks Kennesaw, GA Plant Achieves ISO 9001-2008 Certification CLEVELAND – PolyOne today announced that its Specialty Coating and Inks plant in Kennesaw, GA recently achieved ISO 9001-2008 certification. Kennesaw is the third plant in our Specialty Coatings business to achieve ISO 9001-2008 certification, joining our Mountain Top, PA and Long Beach, CA facilities,” Bindner said.

Homepage // News Center // Avient Achieves Reexamination Certificate for Dyneema® Cut-Resistant Yarn Patent The certificate confirms the patentability of 73 claims as amended or newly added in U.S. The reexamination certificate serves as a testament to the ingenuity of our cut-resistant yarn technology and the robustness of its patent protection.

Certificate Number: 13132875 Certified Since: November 19, 2019 * Certificate Approval Date (Date Granted, Reduced, Extended, or Renewed): October 12, 2022 Current Certification Cycle Start Date: November 19, 2022 Current Certification Cycle Expiration Date: November 18, 2025 Rev: B This certification is subject to the organization maintaining its management system to the requirements of ISO 9001:2015 as well as the requirements of Platinum Registration, Inc. This certificate is the property of Platinum Registration, Inc. and must be returned upon request. To verify this certificate please call 303-639-9001 *Transferred to Platinum Registration, Inc. on November 1, 2019.

today announced the pricing of its previously announced offering of $650 million in aggregate principal amount of senior notes due 2031 (the "notes") in an offering exempt from the registration requirements of the Securities Act of 1933 (the "Securities Act"). absent registration or an applicable exemption from registration requirements. This news release does not constitute an offer to sell or the solicitation of an offer to buy any securities nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

To find more details about our certifications, visit the ISO Certifications Library on the Avient website. The certification allows all locations on the certification to maintain a Responsible Care® Certification and ISO:14001 certification. Avient has facilities certified to other ISO standards, including ISO:50001, ISO:22000, ISO:45001, ISO:9001.

This is to certify that Fiber-Line, LLC 280 Performance Drive SE, Hickory, North Carolina 28602 USA Quality Management System ISO 9001:2015 Manufacture of textile components to cable manufacturers. Certificate No.: CERT-0116814 Original Certification Date: November 24, 2010 File No.: 1616267 Certification Effective Date: April 1, 2021 Issue Date: March 30, 2021 Certificate Expiry Date: March 31, 2024 ________________________________________________________________________________ ISO 9001 Registered by: QMI-SAI Canada Limited (SAI Global), 20 Carlson Court, Suite 200, Toronto, Ontario M9W 7K6 Canada. This registration is subject to the SAI Global Terms and Conditions for Certification.

Food and Drug Administration (FDA) food contact requirements and the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) European regulation. About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions.