CLEVELAND, July 10, 2025 /PRNewswire/ -- The Board of Directors of Avient Corporation (NYSE: AVNT), an innovator of materials solutions, has declar July 10, 2025 SEC Filings

Codice Fiscale 03669670121 Visura ordinaria societa' di capitale • di 6 10 Impresa Operante Con L'estero Numero: VA059868 Data: 04/06/2020 5 Sedi secondarie ed unita' locali Sede Secondaria n. Codice Fiscale 03669670121 Visura ordinaria societa' di capitale • di 9 10 COLLETTIVO NAZIONALE DI LAVORO. Codice Fiscale 03669670121 Visura ordinaria societa' di capitale • di 10 10 1 ▪ Sede 2 ▪ Informazioni da statuto/atto costitutivo 3 ▪ Trasferimenti d'azienda, fusioni, scissioni, subentri 4 ▪ Attività, albi ruoli e licenze 5 ▪ Sedi secondarie ed unita' locali 6 ▪ Aggiornamento impresa

May 10, 2018 You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the SEC Filings

Social • Support basic human rights and not use any slave labor, child labor or labor from human trafficking. • Supplier will not use forced labor, as defined by U.S. Additional information is available at https://www.cbp.gov/trade/forced-labor. • Treat employees with respect and refrain from harassing or discriminating against individuals based on race, sex, sexual orientation, gender identity, age, color, religion, national origin, disability, genetic information, protected veteran’s status, or other legally protected classifications. • Responsibly source Tantalum, Tin, Tungsten and Gold or their derivatives (3TG metals). url=https%3A%2F%2Fwww.cbp.gov%2Ftrade%2Fforced-labor&data=05%7C01%7Cjacqueline.thomson%40avient.com%7Ca0427e02fa1b4b576fe208db6dac207e%7C7bc21b5c83b04482be9e2825d33c1759%7C0%7C0%7C638224359373869329%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=xxFjS7ADNXRYgriLexntpLUCOyllzLGactoRmj2EoCE%3D&reserved=0 https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf • Engage in due diligence of supply chains by following a nationally or internationally recognized due diligence framework; • Upon request, report to Avient on its due diligence process and certify that 3TG metals supplied to Avient from the Covered Countries are conflict free; and • Promptly report to Avient any supply chain changes regarding the origin of 3TG metals or conflict status. • Enable employees and other stakeholders to report questions or concerns related to your business, people or products. • Uphold freedom of association and the right to collective bargaining in accordance with applicable laws.

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Making the Switch from Metal to Plastic Using Long Fiber Thermoplastics Each case study summary defines the application requirements and explains how Avient supported the aftermarket part manufacturers through material technologies and expertise in computer-aided engineering (CAE) modeling simulations to validate the design and performance of two aftermarket structural parts. To discuss how long fiber thermoplastics technologies can benefit your aftermarket application, contact an expert at Avient today.