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.

The above list of factors is not exhaustive.

The above list of factors is not exhaustive.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. Buyer shall make all payments hereunder by bank transfer, within the time, and at the location indicated on Seller’s invoice. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. Buyer shall make all payments hereunder in cash or cash equivalent at face value in the funds, within the time, and at the location indicated on Seller’s invoice. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.

VILKÅR OG BETINGELSER / TERMS AND CONDITIONS Disse vilkår og betingelser gælder for Avient Corporations og dets tilknyttede selskabers ("Sælger") salg af produkter til en anden ("Køber"). These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Cor- poration and its affiliates (“Seller”). 1. If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.

Microsoft Word - Avient Announces Registration Details for December 4th Investor Day _for Microsite 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for December 4th Investor Day CLEVELAND – November 4, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, will host an Investor Day for the investment community on Wednesday, December 4, 2024, beginning at 10:00 a.m. Ashish Khandpur, President and Chief Executive Officer of Avient Corporation. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

About Avient  Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K.

This is in alignment with the Avient Code of Ethics. Attitude of the Avient Group and level of risk the Avient Group accepts in relation to UK taxation The Avient Group does not engage in artificial tax arrangements. Further information The Avient Group’s publication of its UK tax strategy is applicable to all members of the Avient Group.