Southern States, LLC, a Georgia-based manufacturer of products for the electric utility industry, understands the immediate importance of enhanced protection and physical security around critical infrastructure components. In addition, its customers have an obligation to comply with Federal Energy Regulatory Commission (FERC)2 physical security requirements. We have worked closely with Avient for years and are ready to help other utilities as they seek to improve their security infrastructure.”

KUNSTSTOFF SCHWANDEN E L E C T R I C V E H I C L E P A R T • Replace aluminum to reduce part weight and overall weight of the electric vehicle • Secure supply of high volume of material • Flexible delivery • Cost competitive • Enabled OEM to replace metal and reduce part weight • Provided excellent customer service, sending samples and technical data promptly • Supported customer with processing queries • Secured material supply and flexible delivery – delivering on a specific date each month Maxxam™ Polyolefin Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION LIGHTWEIGHTING + SUPPLY SECURITY LEARN MORE Copyright © 2023, Avient Corporation.

SECURITY EQUIPMENT MANUFACTURER B O D Y S C A N N E R • Replace PMMA based radome material • Consistent dielectric performance across large sheet/surface area (4mm thick, 2m high) • Ultra low losses • No defects across full surface area • High resolution imaging to show small illegal objects • Formulated a custom material to match customer requirements • Reduced dielectric loss to 0.0009 • Improved image quality of body scanner with uniform dielectric performance and exceptionally low losses • Enabled scan time of 2 seconds and person throughput of 400 persons per hour, compared to 100 person throughput of conventional devices PREPERM™ PPE 260 Formulation KEY REQUIREMENTS WHY AVIENT? https://www.preperm.com/reference/security-scanner/ Security equipment manufacturer

SECURITY POLICY Avient Corporation places a high priority on protecting the security of our people, our buildings and equipment, and our proprietary information, technology and systems. As a member of the American Chemistry Council, we have adopted Responsible Care® Guiding Principles and Security Code of Management Practices to guide our efforts in continual security improvement. It is the responsibility of each person at Avient, including contractors, suppliers, and visitors, to follow all security procedures, to remain aware of and report all possible security threats, to remain committed to working in a secure and safe manner, and to be prepared to respond to emergencies safely and effectively.

Bob Patterson Chairman, President, and CEO February 2, 2022 SECURITY POLICY Avient Corporation places a high priority on protecting the security of our people, our buildings and equipment, and our proprietary information, technology and systems. As a member of the American Chemistry Council, we have adopted Responsible Care® Guiding Principles and Security Code of Management Practices to guide our efforts in continual security improvement. It is the responsibility of each person at Avient, including contractors, suppliers, and visitors, to follow all security procedures, to remain aware of and report all possible security threats, to remain committed to working in a secure and safe manner, and to be prepared to respond to emergencies safely and effectively.

Bob Patterson Chairman, President, and CEO March 12, 2021 SECURITY POLICY Avient Corporation places a high priority on protecting the security of our people, our buildings and equipment, and our proprietary information, technology and systems. As a member of the American Chemistry Council, we have adopted Responsible Care® Guiding Principles and Security Code of Management Practices to guide our efforts in continual security improvement. It is the responsibility of each person at Avient, including contractors, suppliers, and visitors, to follow all security procedures, to remain aware of and report all possible security threats, to remain committed to working in a secure and safe manner, and to be prepared to respond to emergencies safely and effectively.

General Purposes The general purposes of the Committee are: • Oversee and monitor the establishment and maintenance by management of comprehensive safety, health, environmental, physical security and product stewardship policies, standards and practices for the Company, including risks related to such matters Oversee programs established by the Company whereby the Company is responsible to monitor compliance with Company policies, standards and practices and with applicable governmental laws and regulations concerning safety, health, environmental, physical security and product stewardship on a global basis. Compliance Programs • At least annually review the programs and procedures established by the Company that monitor compliance with the Company’s policies, standards and practices, and laws and regulations with respect to safety, health, environmental, physical security and product stewardship, including providing oversight of the systems that are in place to monitor and mitigate the Company’s carbon footprint and physical risks associated with climate change; • Periodically review with management the significant safety, health, environmental, physical security, and product stewardship risks or exposures faced by the Company, if any, and steps taken by management to minimize such risks and exposures to the Company and its constituencies; • At least annually review the status of the Company’s environmental and safety audit process, assessing compliance with Company policies, standards, practices, laws and regulations; and • Periodically review claims, demands, administrative orders and legal proceedings against the Company regarding safety, health, environmental, physical security and product stewardship matters.

For individuals, this is generally your social security number (SSN). Social security number – – or Employer identification number – Part II Certification Under penalties of perjury, I certify that: 1. For mortgage interest paid, acquisition or abandonment of secured property, cancellation of debt, contributions to an individual retirement arrangement (IRA), and generally, payments other than interest and dividends, you are not required to sign the certification, but you must provide your correct TIN.

Microsoft Word - 55453- PolyOne Corporation RCMS 2013 Option 2.docx ABS Quality Evaluations Letter Of Conformity Page 1 of 1 This is to confirm that the Environment, Health, Safety and Security Management System of: PolyOne Corporation 33587 Walker Road Avon Lake, OH 44012 U.S.A. has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: RCMS®:2013 (Option 2) The Environment, Health, Safety and Security Management System is applicable to: Responsible Care Management System activities and corporate supported processes associated with the design and manufacture of plastic compounds, colorants, thermoplastic elastomer compounds, color concentrates and compounding of thermoplastic products.

Microsoft Word - 55543 Letter of Conformity RCMS Option 2 .docx ABS Quality Evaluations Letter Of Conformity This is to confirm that the Environment, Health, Safety and Security Management System of: PolyOne Corporation 3100 North 35th Street Terre Haute, IN 47804 U.S.A. WITH ADDITIONAL FACILITIES LISTED ON THE ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: RCMS®:2013 (Option 2) The Environment, Health, Safety and Security Management System is applicable to: Design and Manufacture of Plastic Compounds Certificate No: 55543 Effective Date 21 December 2017 ABS Quality Evaluations, Inc. 16855 Northchase Drive, Houston, TX 77060, U.S.A.