You may inspect a copy of the reports, proxy statements and other information we file with the SEC, without charge, at the SEC’s Public Reference Room, 100 F Street, N.E., Washington, D.C. 20549, and you may obtain copies of the reports, proxy statements and other information we file with the SEC, from those offices for a fee. You may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. PolyOne’s code of ethics is posted under the Investor Relations tab of its website at www.polyone.com.

Shots Composite Panel Nominal Thickness Nominal Weight Level 1 9mm full metal copper jacket with lead core 1175 ft/sec 358 m/sec 3 GlasArmor Level 1 0.256 in 6.5 mm 2.7 lb/ft2 13.2 kg/m2 2 Level II-A .357 magnum jacketed lead soft point 1250 ft/sec 381 m/sec 3 GlasArmor Level 2 0.384 in 9.8 mm 4.0 lb/ft2 19.5 kg/m2 Level 3 Level III-A .44 magnum lead semi-wadcutter gas checked 1350 ft/sec 411 m/sec 3 GlasArmor Level 3 0.500 in 12.7 mm 5.1 lb/ft2 24.9 kg/m2 ThermoBallistic Level 3 0.440 in 11.2 mm 3.9 lb/ft2 19.0 kg/m2 Level 4 .30 cal. rifle lead core 2450 ft/sec 747 m/sec 1 Customized solutions are available. Values reported as intypical in or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications. Processing conditions can cause material properties to shift from the values stated in the information.

You may inspect a copy of the reports, proxy statements and other information we file with the SEC, without charge, at the SEC’s Public Reference Room, 100 F Street, N.E., Room 1580, Washington, D.C. 20549, and you may obtain copies of the reports, proxy statements and other information we file with the SEC, from those offices for a fee. You may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. PolyOne’s code of ethics is posted under the Investor Relations tab of its website at www.polyone.com.

NOTE TO EDITORS: Southern States offers standalone walls and custom-fit panels to protect utility substations and other assets. BallistiWall®  and BallistiCover®  are registered trademarks of Southern States. Image Courtesy of Southern States LLC

You may inspect a copy of the reports, proxy statements and other information we file with the SEC, without charge, at the SEC’s Public Reference Room, 100 F Street, N.E., Room 1580, Washington, D.C. 20549, and you may obtain copies of the reports, proxy statements and other information we file with the SEC, from those offices for a fee. You may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. PolyOne’s code of ethics is posted under the Investor Relations tab of its website at www.polyone.com.

CODE OF ETHICS, CODE OF CONDUCT AND CORPORATE GOVERNANCE GUIDELINES In accordance with applicable NYSE listing standards and SEC regulations, the Board has adopted a Code of Ethics, Code of Conduct and Corporate Governance Guidelines. Eligible earnings for employees outside of the United States were converted to United States Dollars by applying the applicable exchange rates in effect on December 31, 2021. UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 Key 2021 Company Performance Results and Return to Shareholders.

Code of Ethics, Code of Conduct and Corporate Governance Guidelines In accordance with applicable NYSE listing standards and Securities and Exchange (“SEC”) regulations, the Board has adopted a Code of Ethics, Code of Conduct and Corporate Governance Guidelines. We also provide other benefits such as medical, dental, life insurance and disability coverage to each United States-based Named Executive Officer, which are identical to the benefits provided to all other eligible United States- based employees (as defined in the plan document). The Board expects to amend the clawback policy again when SEC or NYSE final regulations become available.

PROXY STATEMENT 2025 | Annual Meeting of Shareholders 30 Code of Ethics, Code of Conduct and Corporate Governance Guidelines In accordance with applicable NYSE listing standards and SEC regulations, the Board has adopted a Code of Ethics, Code of Conduct and Corporate Governance Guidelines. We also provide other benefits such as medical, dental, life insurance and disability coverage to each United States-based Named Executive Officer, which are identical to the benefits provided to all other eligible United States-based employees (as defined in the plan document). Annual salary for employees outside of the United States was converted to United States Dollars by applying the applicable exchange rates in effect on December 31, 2022.

You may inspect a copy of the reports, proxy statements and other information we file with the SEC, without charge, at the SEC’s Public Reference Room, 100 F Street, N.E., Room 1580, Washington, POLYONE CORPORATION 9 D.C. 20549, and you may obtain copies of the reports, proxy statements and other information we file with the SEC, from those offices for a fee. You may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. PolyOne’s code of ethics is posted under the Investor Relations tab of its website at www.polyone.com.

PROXY STATEMENT 2023 | Annual Meeting of Shareholders 47 CODE OF ETHICS, CODE OF CONDUCT AND CORPORATE GOVERNANCE GUIDELINES In accordance with applicable NYSE listing standards and SEC regulations, the Board has adopted a Code of Ethics, Code of Conduct and Corporate Governance Guidelines. Annual salary for employees outside of the United States was converted to United States Dollars by applying the applicable exchange rates in effect on December 31, 2022. The Compensation Committee is authorized to adopt another fair market value pricing method provided such method is stated in the applicable Evidence of Award and is in compliance with the fair market value pricing rules set forth in Section 409A of the Code.