In addition, entities such as trusts, foundations, partnerships, estates or other groups over which an employee has control may not buy or sell Company securities while the employee is in possession of such Inside Information. In order to ensure compliance with the policy, the Board of Directors of the Company has adopted the following additional procedures, which apply to (a) directors, officers and certain employees and representatives of the Company and of its affiliates, as specified in Annex A (“Covered Employees”), and (b) members of their immediate families, partnerships in which Covered Employees are a general partner; corporations in which Covered Employees, either singly or together with other Related Persons (as defined below), own a controlling interest; trusts of which Covered Employees are a trustee, settlor or beneficiary; estates of which Covered Employees are an executor or beneficiary; or any other group or entity where Covered Employees have or share with others the power to decide whether to buy Company securities (collectively, “Related Persons”). Revised: December 20, 2024 ANNEX A COVERED EMPLOYEES All Directors All Elected Officers All Appointed Officers Assistant Controller Executive Assistants to Covered Employees Corporate Communications/Investor Relations (all levels) Internal Audit VP, Directors, Managers and Staff of Audit (all levels), Tax Managers and Tax Analysts, Staff of Tax (all levels) Directors, Managers and Staff, Mergers and Acquisitions and functional professionals supporting Mergers and Acquisitions (including Legal professionals) All Other Employees (including Finance and IT employees) with access to full quarterly results within the Avient Systems Secretaries and Direct-Reporting Assistants to any Covered Employee Financial and Business Consultants who have undertaken to comply with this policy Revised: December 20, 2024 ANNEX B Please access the PeopleLink home page and search for “pre-clearance” after clicking “My Help” General Counsel: Amy M.

Homepage // News Center // Avient Pioneers New PTFE-Free LubriOne™ Internally Lubricated Formulations at Chinaplas 2024 Avient Corporation has expanded its LubriOne™ portfolio to include a range of innovative new internally lubricated polymer formulations produced without PTFE lubricants. Using internally lubricated polymer materials eliminates the risk of contamination from oils or greases and minimizes maintenance requirements.

We launched two new Innovation Centers, facilities where we work directly with our customers in real-time to inspire and invent. Our audit of internal control over financial reporting of PolyOne Corporation also did not include an evaluation of the internal control over financial reporting of ColorMatrix. PolyOne’s management is responsible for establishing and maintaining adequate internal control over financial reporting. 2.

Management has assessed the effectiveness of PolyOne’s internal control over financial reporting as of December 31, 2016 and has prepared Management’s Annual Report On Internal Control Over Financial Reporting contained on page 66 of this Annual Report, which concludes that as of December 31, 2016, PolyOne’s internal control over financial reporting is effective and that no material weaknesses were identified. PolyOne Corporation’s management is responsible for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying “Management’s Annual Report on Internal Control over Financial Reporting”. PolyOne’s management is responsible for establishing and maintaining adequate internal control over financial reporting. 2.

Our operations on, and ownership of, real property are subject to extensive environmental, health and safety laws and regulations at the national, state and local governmental levels. PolyOne Corporation’s management is responsible for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying “Management’s Annual Report on Internal Control over Financial Reporting”. PolyOne’s management is responsible for establishing and maintaining adequate internal control over financial reporting. 2.

Our operations on, and ownership of, real property are subject to extensive environmental, health and safety laws and regulations at the national, state and local governmental levels. PolyOne Corporation’s management is responsible for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying “Management’s Annual Report on Internal Control over Financial Reporting”. PolyOne’s management is responsible for establishing and maintaining adequate internal control over financial reporting. 2.

NOTE: On July 1, 2020, PolyOne and Clariant Masterbatches joined together as Avient, a new kind of materials company focused on conquering customer challenges and unlocking the potential for innovation and sustainability around the globe. ¹Virex® is a trademark of Diversey, Inc.; CaviCide™ is a trademark of Metrex Research, LLC; Vesphene® is a trademark of Steris Corporation; and Sani-Cloth® is a trademark of Professional Disposables International, Inc.

Our operations on, and ownership of, real property are subject to extensive environmental, health and safety laws and regulations at the national, state and local governmental levels. PolyOne Corporation’s management is responsible for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying “Management’s Annual Report on Internal Control over Financial Reporting”. PolyOne’s management is responsible for establishing and maintaining adequate internal control over financial reporting. 2.

A real-world case study of an automotive trim part where our prediction method was used to understand how the injection strategy and part texture contributed to highlighting, eliminating or masking defects   

From safety to training and education, community service to diversity and inclusion, our people are at the forefront of making a real difference.