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

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”.

June 10, 2019 June 10, 2019 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

Avient Non-PFAS Flame Retardant PC and Self-Lubricating Formulation Solutions (April 15, 11:10–11:30, Hall 16, Booth R31)  Driving Sustainable Development in Flexible Packaging with Avient Non-PFAS Solutions (April 16, 10:30–10:50, Hall 16, Booth R31),  Cesa™ Fiber Additives for Cool & Warm Feeling – Offer Comfort & Efficiency for Sports Clothes (April 16, 14:50–15:10, Hall 20, Booth L61).

Aliphatic polyketone, often referred to as just polyketone or PK, is a semi-crystalline engineering resin that is an alternating copolymer of carbon monoxide and ethylene with some propylene (1–10%). Avient also soak-tested its performance against other chemicals including 10% hydrochloric acid, 10% calcium chloride, antifreeze, 10% ammonium hydroxide, 12% sodium hypochlorite (bleach), and ethanol.

August 10, 2022 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 acquired DPM protective materials 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

Aliphatic polyketone, often referred to as just polyketone or PK, is a semi-crystalline engineering resin that is an alternating copolymer of carbon monoxide and ethylene with some propylene (1–10%). Avient also soak-tested its performance against other chemicals including 10% hydrochloric acid, 10% calcium chloride, antifreeze, 10% ammonium hydroxide, 12% sodium hypochlorite (bleach), and ethanol.

Aliphatic polyketone, often referred to as just polyketone or PK, is a semi-crystalline engineering resin that is an alternating copolymer of carbon monoxide and ethylene with some propylene (1–10%). Avient also soak-tested its performance against other chemicals including 10% hydrochloric acid, 10% calcium chloride, antifreeze, 10% ammonium hydroxide, 12% sodium hypochlorite (bleach), and ethanol.

Electrical resistivity range from 10 to 10¹⁰ Ω