The prioritized risks are reviewed annually with executive management to ensure our risk identification and responses remain up-to-date, mitigation actions remain effective, and that new and emerging risks are considered. GRI Standards Content Index HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 94 https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/financials/reporting-sec-filings GRI Standards Content Index GRI Standard Disclosure Title Avient Disclosures General Disclosures Reporting Practice 102–50 Reporting period January 1, 2019 through December 31, 2019 102–51 Date of most recent report This is Avient's 2nd sustainability report; the first was published under the name PolyOne in 2019. 102–52 Reporting cycle At minimum, biennial 102–53 Contact point for questions regarding the report https://www.avient.com/contact-us-now 102–54 Claims of reporting in accordance with the GRI standards This report has been prepared in accordance with the GRI Standards: Core Option.

The prioritized risks are reviewed annually with executive management to ensure our risk identification and responses remain up-to-date, mitigation actions remain effective, and that new and emerging risks are considered. GRI Standards Content Index HOME | Contents | Message from the CEO | Who We Are | People | Products | Planet | Performance | Goals & Metrics | Indices Sustainability Report | 2019 94 https://www.avient.com/investors/financials/reporting-sec-filings https://www.avient.com/investors/financials/reporting-sec-filings GRI Standards Content Index GRI Standard Disclosure Title Avient Disclosures General Disclosures Reporting Practice 102–50 Reporting period January 1, 2019 through December 31, 2019 102–51 Date of most recent report This is Avient's 2nd sustainability report; the first was published under the name PolyOne in 2019. 102–52 Reporting cycle At minimum, biennial 102–53 Contact point for questions regarding the report https://www.avient.com/contact-us-now 102–54 Claims of reporting in accordance with the GRI standards This report has been prepared in accordance with the GRI Standards: Core Option.

Products that are no longer active have the last revised date.

Products that are no longer active have the last revised date.

Products that are no longer active have the last revised date.

Products that are no longer active have the last revised date.

Products that are no longer active have the last revised date.

Products that are no longer active have the last revised date.

Products that are no longer active have the last revised date.

Products that are no longer active have the last revised date.