Avient IR Presentation - Goldman Sachs and Morgan Stanley Conferences - 10/5/2020 to 10/7/2020 PolyOne Investor Day Presentation - 5/10/2018 PolyOne IR Presentation - KeyBanc - 9/10/13 - w Non GAAP

Publicación del Jueves 10 de Junio de 2021 CVE 1958564 | Director: Juan Jorge Lazo Rodríguez Sitio Web: www.diarioficial.cl | Mesa Central: +562 2486 3600 Email: consultas@diarioficial.cl Dirección: Dr. Para verificar la autenticidad de una representación impresa del mismo, ingrese este código en el sitio web www.diarioficial.cl DIARIO OFICIAL DE LA REPUBLICA DE CHILE Ministerio del Interior y Seguridad Pública V SECCIÓN CONSTITUCIONES, MODIFICACIONES Y DISOLUCIONES DE SOCIEDADES Y COOPERATIVAS Núm. 42.975 | Jueves 10 de Junio de 2021 | Página 1 de 1 Empresas y Cooperativas CVE 1958564 EXTRACTO EDUARDO DIEZ MORELLO, Abogado, Notario Público, Titular de la 34ª Notaría de Santiago, con oficio en Luis Thayer Ojeda N° 359, comuna de Providencia, certifico: Que por escritura pública de fecha 31 de mayo de 2021, bajo el repertorio N° 8.412-2021, ante mí: En junta extraordinaria de accionistas de PERFORMANCE MASTERBATCHES (CHILE) SpA, inscrita a fojas 51.369 N° 25.460 del Registro de Comercio del Conservador de Bienes Raíces de Santiago correspondiente al año 2019 (la “Sociedad”), celebrada con fecha 28 de abril de 2021, Avient Switzerland GmbH, en su calidad de único accionista de la Sociedad, modificó el nombre o razón social de la Sociedad por “Avient Chile SpA”, reemplazando el artículo Primero de los estatutos por el siguiente: “ARTICULO PRIMERO: Se constituye una sociedad por acciones con el nombre de “AVIENT CHILE SpA”.

NEW Stat-Tech™ TPE Static Dissipative & Electrically Conductive Thermoplastic Elastomers – Formulated to offer electrical resistivity from 10⁰Ω to 10¹⁰Ω. Feb 10, 2025

March 10, 2025 GELEEN, Netherlands – March 10, 2025 – Dyneema®, owned by Avient Corporation (NYSE: AVNT), an innovator of materials solutions, is proud to announce a strategic collaboration with Toyobo MC Corporation, based in Kita-ku, Osaka. Feb 10, 2025

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks, including recessionary conditions; the current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows, including without limitation, any supply chain and logistics issues; changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; fluctuations in raw material prices, quality and supply, and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; information systems failures and cyberattacks; amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; any material adverse changes in the Dyneema Business; our ability to achieve the strategic and other objectives relating to the Acquisition, and the possible sale of the Distribution business segment; and other factors described in our Annual Report on Form 10-K for the year ended 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

$10 million 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

December 10, 2024 MILAN – December 10, 2024 – Avient Corporation, an innovator of materials solutions, today announced the launch of ColorForward™ 2026, its annual color trend forecasting tool for the plastics industry developed to support the design of impactful aesthetics for new consumer products.  Feb 10, 2025

October 10, 2022 CLEVELAND – October 10, 2022 – Avient Corporation today announced it will highlight its breadth of composite solutions, including new materials formulated with recycled content, at the upcoming Composites and Advanced Materials Expo (CAMX). Feb 10, 2025

Avient will also feature these grades during its technical seminars at NPE 2024 in Orlando, May 6-10.   Avient is exhibiting at NPE 2024 in Orlando from May 6-10 in room S210 in the South Hall. Feb 10, 2025

ORLANDO – May 6, 2024 – Avient Corporation, a premier provider of specialized and sustainable materials solutions and services, today announced it will feature the launch of its Cesa™ Non-PFAS Process Aid for Extrusion at NPE 2024 in Orlando, May 6-10. Avient is exhibiting at NPE 2024 in Orlando from May 6-10 in room S210 in the South Hall. Feb 10, 2025