Release of finished products Production of Mevopur products are under controlled conditions according to a documented procedure. A goods receipt inspection with defined tests are mandatory for all raw materials used in food application products produced under ISO 22000 conditions Procedures are in place to manage both supplier approval in case of new suppliers and continuing supplier evaluation. Release of finished products Production of products produced under ISO 22000 conditions are maintained according to documented procedures.

Under these circumstances, contact the Corporate Ethics Officer (ethics.officer@avient.com) or General Counsel (legal.officer@avient.com) immediately. To minimize risk, Avient must consider certain factors before entering into any third party relationship and all third parties must meet the following standards: • Reputable—it has the requisite experience and expertise • Credible—business references support the third party’s claims of expertise • Financially stable—adequate resources to fulfill commitments • Ethical & legal practices—committed to complying with all applicable laws including anti-bribery laws; and • Committed—executes an acknowledgement of, and agreement to comply with, this Policy Red Flags Avient can also be held liable under ABAC Laws for the actions of our agents and other third parties (including joint venture partners). When reporting any concern involving a payment, please include the following information (to the extent you are aware of these details): • The amount and purpose of the payment • The identification and the line of business of the person making the payment • The circumstances under which the payment was made • The identity of any person who knows of the payment Protection from Retaliation Retaliation in any form against an employee who has, in good faith, reported a violation or possible violation of this Policy is strictly prohibited.

In the initial stage, we generally do not require what is considered sensitive personal information or “special categories of personal data” under applicable privacy laws (referred to in this Notice as “sensitive personal information”). If you are not satisfied with our response or believe that your personal information is not being processed in accordance with the law, you also may contact or lodge a complaint with the competent supervisory authority or seek other remedies under applicable law. Otherwise your personal information will only be retained for the period necessary to assess your candidacy, and as may be required under applicable statute of limitations and statutory data retention obligations, as the case may be.

Release of finished products Production of Mevopur products are under controlled conditions according to a documented procedure. A goods receipt inspection with defined tests are mandatory for all raw materials used in food application products produced under ISO 22000 conditions Procedures are in place to manage both supplier approval in case of new suppliers and continuing supplier evaluation. Release of finished products Production of products produced under ISO 22000 conditions are maintained according to documented procedures.

In addition to their responsibilities under this Code of Ethics, these officers must comply with Avient’s Code of Conduct.

Certificate of Registration 9001:2015 MSP 9001:2015–MSP-ANAB-US (2.0) Page 1 of 2 Certificate of Registration of Quality Management System to ISO 9001:2015 The National Standards Authority of Ireland certifies that: Colorant Chromatics Ab Kroklundsvagen 346 AX-22 320 Odkarby Aland Finland has been assessed and deemed to comply with the requirements of the above standard in respect of the scope of operations given below: The Design, Manufacture and Sales of Fluoropolymer Color Concentrates and Compounds Additional sites covered under this multi-site certification are listed on the Annex (File No. 19.2540/C) Approved by: Geraldine LarkinChief Executive Officer Approved by: Lisa Greenleaf Operations Manager Registration Number: 19.2540/C Certification Granted: May 15, 1997 Effective Date: Oct 20, 2018 Expiry Date: Oct 19, 2021 National Standards Authority of Ireland, 20 Trafalgar Square, Nashua, New Hampshire, NH 03063, USA T +1 603 882 4412 9001:2015–MSP-ANAB-US (2.0) Page 2 of 2 Annex to Certificate Number: 19.2540/C Scope of Registration: The Design, Manufacture and Sales of Fluoropolymer Color Concentrates and Compounds Activity Location Central Management Group, Design, Manufacture Colorant Chromatics Kroklundsvagen 346 AX-22 320 Odkarby Aland Finland File No.: 19.2540/C Headquarters, Sales, Distribution Colorant Chromatics Europe B.V.

Review and approve all related-party transactions, defined as those transactions required to be disclosed under Item 404 of Regulation S-K. 9. Meet with management and the independent auditor prior to the audit and discuss (i) their responsibilities under generally accepted auditing standards, (ii) the responsibilities of management in the audit process and (iii) the overall scope and plans for the audit, including the adequacy of staffing and other factors that may affect the effectiveness and timeliness of the audit. Review with the chief legal officer the investigation and disposition of any reports made under the Commission’s Rule 205 of a material violation of securities law or breach of fiduciary duty or similar violation by the Company or by any of its officers, directors, employees or agents. 7.

Sales Order Confirmation - under "Material Header" Product Quotation - labeled as "Avient Material" Invoice - under "Material Header" Packing List - under "Material Number Header"

LABORATORY EQUIPMENT MANUFACTURER P C R W E L L P L A T E S • Very high level of TiO2 to prevent “cross-talk” between the wells during the qPCR fluorescence testing procedure • Minimized background phosphorescence caused by agglomeration of TiO2 and/or oxidized (stressed) polystyrene • Preservation of polystyrene grade properties • Change control of formulation and manufacturing process • Robust product quality from batch to batch • Developed optimally dispersed, ready-to-use white formulation that maintains adequate signal transmission, as well as minimizing “cross-talk” and background phosphorescence • Optimized the use of general purpose polystyrene (GPPS) for a good balance between melt flow and other physical properties, such as stiffness • Provided comprehensive change control of raw materials and formulation, with a robust manufacturing process and quality control under a third party ISO 13485:2016 certified QMS Mevopur Healthcare Colorants and Formulations – pre-colored solution WHY AVIENT?

AUTO DATA CABLE MANUFACTURER C O A X I A L S I G N A L C A B L E J A C K E T • Provide good chemical resistance like that of machine oil • Pass 3,000 hours aging test of finish goods • Have low dielectric property - characteristic impedance of transmission line: 100Ω, capacitance in water: around 102.8pf/m • Provided excellent performance with low dielectric constant to make the jacket layer of signal cables have low capacitance loss • Offered a solution by combining physical and chemical foaming products in the foaming layer to reduce the dielectric constant further • Maintained exceptional mechanical properties under high temperatures Maxxam Polyolefin Formulations KEY REQUIREMENTS WHY AVIENT?