The new Edgetek™ PKE and LubriOne™ PKE series combine excellent chemical and hydrolysis resistance to meet the challenges of harsh applications, such as those found in chemical, fuel contact, or high- moisture environments. These reinforced grades are targeted at applications in the industrial, electronics and transportation markets like pipes and tubing, electrical battery components, and under- the-hood fuel or chemical contact components. Environmental data covers all sites owned or operated by Avient in the reporting period. 102–47 List of material topics People—Occupational Safety & Health; Training and Development; Diversity & Inclusion Products—Product Stewardship; Supplier Collaboration Planet—Waste; Energy; Greenhouse Gas Emissions 102–48 Restatements of information 2020 Total Energy Sustainability Report | 2021 91 Reporting Practice 102–49 Changes in reporting No change 102–50 Reporting period January 1, 2021 through December 31, 2021 102–51 Date of most recent report This is Avient's 4th sustainability report. 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.

Or contact the Ethics Hotline: Online at: polyone.ethicspoint.com By Phone: 1-877-228-5410 “Ethics is everything at PolyOne. Sustainability Report | 2018 87 102–50 Reporting period This report covers the period of January 1, 2018 through December 31, 2018. 102–51 Date of most recent report This is PolyOne's first Sustainability Report. 102–52 Reporting cycle At minimum biennial 102–53 Contact point for questions regarding the report https://www.avient.com/content/contact-us 102–54 Claims of reporting in accordance with the Standards This report has been prepared in accordance with the GRI Standards: Core Option. 102–55 GRI content index Appendix—GRI Index 102–56 External assurance Currently, we do not peruse external assurance/ verification of our Sustainability Report.

EUROPE: SDS for Europe can be obtained by contacting the appropriate regional office. MSDS X150-245-033-01 MSDS X150-245-033-02

MSDS X150-062-001-44 MSDS X150-062-001-45 MSDS X150-062-001-41

MSDS X155-058-075-02 MSDS X155-058-075-01 MSDS X155-058-098-02

MSDS X155-058-073-03 MSDS X155-058-073-01 MSDS X155-058-073-04

To ensure our work environment is as safe as possible, this included: • Strict adherence to all local government requirements as well as incorporating WHO and CDC guidelines • Required remote work for associates able to do so • Social distancing, increased and regular sanitization, pre-shift wellness assessments and on-site temperature checks • Incident reporting and contact tracing procedures, including self-quarantine if suspected exposure • Support services for the physical and mental health of our associates and their families • Continuous communications, education, awareness, updates and encouragement to our associates At the same time that we prioritize health and safety, it is essential that Avient continue to produce our materials and serve customers. The novel insecticides in development are formulated tightly into the masterbatch, allowing best bio-efficiency performance with a permanent but slow release to the surface—just enough to kill any mosquito by contact. Environmental data covers all sites owned or operated by Avient in the reporting period. 102–47 List of material topics About Us People Products Planet Performance Avient 2020 Annual Report—Form 10-K 102–48 Restatements of information 2019 and 2020 data includes full calendar year data for Clariant Masterbatch acquired sites unless otherwise noted at the metric level. 102–49 Changes in reporting PolyOne acquired Clariant MasterBatch on July 1, 2020 and combined to create the current company, Avient. 2019 and 2020 data includes full calendar year data for Clariant Masterbatch acquired sites unless otherwise noted at the metric level. 102–50 Reporting period January 1, 2020 through December 31, 2020 102–51 Date of most recent report This is Avient's 3rd sustainability report. 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.

MSDS X15502000609 NATURAL MSDS X15502000610 NATURAL MSDS X15502000611 NATURAL

MSDS X155-062-003-01 MSDS X155-062-003-03 MSDS X155-062-003-04

MSDS X155-034-122-03 MSDS X155-034-122-04 MSDS X155-034-122-05