Avient Resources Avient Resources Colorant Chromatics™ Metallic Effect Pre-colored Sulfone Colorants provided a non-conductive solution with reduced VOCs and coexisting color and metallic effects

Avient Resources Avient Resources Avient Design Impact Protection

Avient Resources Avient Resources Design freedom, metal replacement and Thermally Conductive Formulations provide powerful solution for Elausa Electronics

Avient Resources Avient Resources Design freedom, metal replacement and Thermally Conductive Formulations provide powerful solution for Elausa Electronics

Avient Resources Avient Resources Design freedom, metal replacement and Thermally Conductive Formulations provide powerful solution for Elausa Electronics

Avient Resources Avient Resources View Avient's process aid for rPET and PET bottles

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. For the same reasons, Avient is unable to address the probable significance of the unavailable information.

Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. Webcast Details Avient will host a webcast on Wednesday, April 20, 2022 at 9:00 a.m. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 5 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2022 2021 Sales $ 1,293.8 $ 1,162.3 Operating Income 128.6 120.4 Net income attributable to Avient shareholders 84.2 79.3 Basic earnings per share attributable to Avient shareholders $ 0.92 $ 0.87 Diluted earnings per share attributable to Avient shareholders $ 0.91 $ 0.86 Senior management uses comparisons of adjusted net income attributable to Avient shareholders and diluted adjusted earnings per share (EPS) attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Avient Announces Second Quarter 2025 Results... Avient Announces Quarterly Dividend... Avient To Hold Second Quarter 2025 Conference Call...

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. 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.