ATTRIBUTE PC PUMP PERI PUMP CMG3000 FLEX G CMG5000 CMG6000 Delivery throughput High Low – – – – Metering throughput High Low – – – – Volumetric/gravimetric V V V Loss-in-weight G G Data export/network – – No Yes Yes Yes Touch screen – – No Yes Yes Yes Multiple log-in levels – – No No Yes Yes The range of progressing cavity pump rates attainable can be used to determine the correct size of pump.

Avient's chief operating decision maker uses this financial measure to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. https://www.avient.com/investors https://edge.media-server.com/mmc/p/a8tcrg4m https://www.avient.com/investors https://register.vevent.com/register/BI125445d5780d4c898d63ec3c1fa53045 https://www.avient.com/investors/events-presentations 5 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

https://www.avient.com/investors https://edge.media-server.com/mmc/p/fqwbh5zv https://www.avient.com/investors https://register.vevent.com/register/BI3f68f18c2b10416fa722221e3f01ea50 http://www.avient.com/investors/events-presentations 4 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Avient's chief operating decision maker uses this financial measure to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

Mevopur™ Pre-Color for Glucose Monitoring Device Pre-Color formulation for a medical device OEM of a continuous glucose monitoring system

https://www.avient.com/sustainability https://www.avient.com/investors https://edge.media-server.com/mmc/p/r2x4n7pt https://www.avient.com/investors https://register.vevent.com/register/BIb9438661fe984c4f9a842829169d2868 http://www.avient.com/investors/events-presentations 3 About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Avient's chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

https://www.avient.com/investors https://edge.media-server.com/mmc/p/3u462yxq/ https://www.avient.com/investors https://register.vevent.com/register/BIfa0de3bdf9964987b4d7a1c21860e063 https://www.avient.com/investors/events-presentations 3 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Avient's chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

At the highest level, Avient’s Board of Directors has a long-standing Environmental, Health & Safety (EH&S) Committee that oversees and monitors environmental, health, safety, security and product stewardship policies, standards and practices.

To quantify and reduce risk over time, Avient monitors several key performance indicators on a regular basis: Total Recordable Incident Rate (TRIR), Lost Time Injury/Illness Rate (LTIR), Severity Rate (SR) and Injuries of High Consequence (IOHC).

Update on last year; Risk – Identify, Assess, Mitigate, Monitor In our previous statements ColorMatrix committed to identifying and mitigating risk through our supply chain and improving our internal controls. A full copy of Avient’s Code of Conduct is available in over 20 languages and can be found here: Avient’s Position on Human Rights can be found here http://www.avient.com/ https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/sites/default/files/2021-07/avient-human-rights-position-statement-updated-july-2021.pdf Page 2 of 3 Training To mitigate against the risk of non-compliance with our policy, Avient requires all associates to complete mandatory Code of Conduct training. In order to improve our internal processes and bring ColorMatrix in line to the global Avient system a more effective working process for identifying risk and measuring progress through KPI’s is targeted to be implemented through 2024, which will allow us to improve the mitigation and monitoring of risk across our suppliers.

Includes estimated full year performance of APM acquisition ** 2019 baseline data revised to account for acquisition pro-forma performance and divestitures ¹Refer to CDP Climate Change Report for finalized Energy/Emissions information at https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report  ⁴Certificates can be found at https://www.avient.com/company/policies-and-governance/global-iso-certificate-library