Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,700 associates and is certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste.

Second, while trade associations and standard setting organizations have legitimate benefits, they, by their nature, involve meetings and discussions with competitors.

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Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility performance in prior periods without the effect of items that, by their nature, tend to obscure performance in prior periods without the effect of items that, by their nature, tend to obscure

Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility performance in prior periods without the effect of items that, by their nature, tend to obscure performance in priorperiods without the effect of items that, by their nature, tend to obscure

Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility performance in prior periods without the effect of items that, by their nature, tend to obscure performance in prior periods without the effect of items that, by their nature, tend to obscure

Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility performance in prior periods without the effect of items that, by their nature, tend to obscure performance in prior periods without the effect of items that, by their nature, tend to obscure