STAN-TONE HCC- GREEN 383 STAN-TONE HCC- RED (MATCH) STAN-TONE HCC- RED

STAN-TONE VC-103463 BEIGE 2 STAN-TONE VC-SANDTONE 2 STAN-TONE VC-103468SD BROWN

STAN-TONE HCC- RED STAN-TONE HCC- ORANGE STAN-TONE MB- YELLOW

STAN-TONE HCC-27881 BROWN STAN-TONE HCC-20266 BEIGE STAN-TONE HCC-14735 PLUM

STAN-TONE MB-25437 BLUE STAN-TONE 15FSP05 ORANGE STAN-TONE 24FSP03 VIOLET

STAN-TONE HCC-29599 RED STAN-TONE HCC-29596 TAN STAN-TONE VCP-19416 RED

STAN-TONE VCP- WHITE STAN-TONE VCP- BLACK STAN-TONE VCP- YELLOW

They are based on management’s expectations that involve business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Copyright © . 2025 3 Avient at a glance Senior management believes these measures 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 these measures are useful to investors because they allow for comparison to PolyOne's performance in prior periods without the effect of items that, by their nature, tend to obscure PolyOne's operating results due to the potential variability across periods based on timing, frequency and magnitude. Avient Corporation 33 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results. Senior management believes these measures 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.

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