Second quarter GAAP earnings per share (EPS) from continuing operations was $0.36 compared to $0.24 in the prior year quarter. Accordingly, our revised full-year guidance for adjusted EBITDA is now $515 million to $540 million, from our previous range of $510 million to $535 million. Our revised range for adjusted EPS is between $2.55 to $2.70, from our previous range of $2.50 to $2.65."

This includes increasing customer and employee engagement, optimizing our cost structure by capturing additional synergies from the Clariant acquisition, and minimizing working capital.” Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2023 2022 Sales $ 845.7 $ 892.2 Operating Income 57.1 102.2 Net income from continuing operations attributable to Avient shareholders 20.8 64.4 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.23 $ 0.70 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.23 $ 0.70 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. Management excludes intangible asset amortization from adjusted EPS as it believes excluding acquired intangible asset amortization is a useful measure of current period earnings per share.

The extract contains both the existing activities under the old classification of 2003, valid until 31/12/2007, as the new classification of 2008, valid from 1/1/2008. The extract contains both the existing activities under the old classification of 2003, valid until 31/12/2007, as the new classification of 2008, valid from 1/1/2008. The extract contains both the existing activities under the old classification of 2003, valid until 31/12/2007, as the new classification of 2008, valid from 1/1/2008.

Being a Great Place to Work — We listen to feedback from our associates then take action in building our high-performance culture and being a global employer of choice. In 2021 we expect substantial earnings growth and strong cash flow generation as we emerge from the COVID-19 pandemic. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

Management excludes intangible asset amortization from adjusted EPS as it believes excluding acquired intangible asset amortization is a useful measure of current period earnings per share. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

The core parts of filter media are engineered structures produced from PP meltblown nonwoven material. The smallest particles are extracted from the air by electrostatic attraction to the fibers. Processing conditions can cause material properties to shift from the values stated in the information.

Any additional, different or other terms and/or conditions contained in any purchase order, document, website or other communication by or from Buyer are hereby objected to and rejected by Seller. Buyer shall not (re-) export or (re-) transfer or disclose, directly or indirectly, any of the Products or Items supplied by Seller and/or any Items incorporating or processed from such Products, in breach of any Trade Control Laws, or, in the event an export license or other approval is required from any governmental authority or agency, without first obtaining such license or approval. Each party irrevocably submits to the exclusive jurisdiction of the courts of Hong Kong in connection with any disputes arising from or in connection with these Terms. 23.

Management excludes intangible asset amortization from adjusted EPS as it believes excluding acquired intangible asset amortization is a useful measure of current period earnings per share. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

Any additional, different or other terms and/or conditions contained in any purchase order, document, website or other communication by or from Buyer are hereby objected to and rejected by Seller. Notwithstanding the above, Seller has a lien over Products sold to Buyer for any payments due from Buyer with respect to such Products. 12. Buyer shall not (re-) export or (re- ) transfer or disclose, directly or indirectly, any of the Products or Items supplied by Seller and/or any Items incorporating or processed from such Products, in breach of any Trade Control laws, or, in the event an export license or other approval is required from any governmental authority or agency, without first obtaining such license or approval.

NYLON SOLUTIONS ENGINEERED THERMOPLASTICS PRODUCT SELECTION GUIDE Nylon (polyamide - PA) solutions from Avient include both prime Nymax™/Bergamid™ Polymer Formulations and Nymax™ REC Recycled Nylon Formulations. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment. Processing conditions can cause material properties to shift from the values stated in the information.