Our products enable the search for new energy reserves and extend the life of fiber optic telecommunication cables.

Green and Nicolas were first identified as Director candidates by a third-party search firm, Egon Zehnder, and the Board elected Messrs. When using a third-party search firm, the Governance and Corporate Responsibility Committee generally provides such firm with guidance as to the skills, experience, and qualifications that the Governance and Corporate Responsibility Committee is seeking in potential candidates, and the search firm identifies candidates for the Governance and Corporate Responsibility Committeeʼs consideration. Diversity is a key characteristic that we will consider, and instruct any third-party search firm we use to consider, in searches for future Board members.

1400 Ravello Drive, Katy, TX, 77449-5164, USA - TEL: +1 281-396-1000. www.dnv.com 页 2 / 2 证书附页 普立万聚合体（深圳）有限公司 外部支持场所： 场所名称 场所地址 外部支持场所活动 认证机构 普立万企业管理（上海）有限公司 中国上海浦东金桥经济开发技术区 金苏路200号C幢2楼 201206(USI: PKFHC3) 产品设计，过程设计 DNV 普立万聚合体（苏州）有限公司 中国江苏省苏州工业区胜港街77号 215127(USI: CF4943) 合同评审，销售，供应商管理 DNV http://www.dnv.com

Our products enable the search for new energy reserves and extend the life of fiber optic telecommunication cables.

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.

The Board will appoint the membership of any search committee that may be necessary to fill the office of Chief Executive Officer.

All Rights Reserved 2024 19 Digital digital tools, data-driven insights artificial intelligence Higher run-rates, improved yields, reduced downtime and wastage Manufacturing execution system EXPECTED BENEFITS Reduction in time-to-market, use of alternative formulations to mitigate risks from resin shortage Color design EXPECTED BENEFITS Faster generation/repurposing of content, enhanced search engine optimization leading to more engagement Marketing content EXPECTED BENEFITS Copyright © .

Powell for one year, while a search is conducted for a new independent director. Abernathy was recommended to our Nominating and Governance Committee for election to the Board by a third-party search firm, Russell Reynolds Associates. Diversity is a key characteristic that we will consider, and instruct any third-party search firm we use to consider, in searches for future Board members.

Jellison was recommended to our Nominating and Governance Committee for election to the Board by a third-party search firm, Korn Ferry. The Nominating and Governance Committee uses a variety of methods for identifying and evaluating nominees for Directors, including third-party search firms, recommendations from current Board members and recommendations from shareholders. Diversity is a key characteristic that we will consider, and instruct any third-party search firm we use to consider, in searches for future Board members.

The Governance and Corporate Responsibility Committee uses a variety of methods for identifying nominees for election as Directors to our Board, including third-party search firms, recommendations from current Board members and recommendations from shareholders. When using a third- party search firm, the Governance and Corporate Responsibility Committee generally provides such firm with guidance as to the skills, experience, and qualifications that the Governance and Corporate Responsibility Committee is seeking in potential candidates, and the search firm identifies candidates for the Governance and Corporate Responsibility Committee’s consideration.