No. 10231X Form W-9 (Rev. 10-2018) AVIENT CORPORATION AVIENT COLORANTS USA LLC ✔ 5 E 33587 WALKER ROAD AVON LAKE, OH 44012 3 4 1 7 3 0 4 8 8 1/15/2021 Form W-9 (Rev. 10-2018) Page 2 By signing the filled-out form, you: 1. Protect yourself from suspicious emails or phishing schemes. Phishing is the creation and use of email and websites designed to mimic legitimate business emails and websites.

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”.

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10001, or by calling (800) 326-5897 or email a request to cmclientsupport@wellsfargo.com.

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Business Number: 898451794 Mailing Address: Delivery Mode: GeneralDelivery Address Line 1: 17 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Facility Name: Orangeville Plasticizer NAICS Code: 326198 NPRI ID: 2277 Physical Address: Address Line 1: 15 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Latitude: 43.9133 Longitude: ­80.1158 Contact Type Technical Contact, Company Coordinator, Public Contact, Person who coordinated the preparation of the Toxics Reduction Plan Name: Brian Greer Position: EHS Manager Telephone: 5192150535 Email: brian.greer@polyone.com Contact Type Certifying Official Name: Darryl Chartrand Position: Senior Air Quality Technologist Telephone: 4164999000 about:/V003/Html http://www.canada.gc.ca/home.html http://www.servicecanada.gc.ca/eng/home.shtml http://www.canada.gc.ca/aboutgov-ausujetgouv/depts/menu-eng.html https://ec.ss.ec.gc.ca/auth/en/Services about:blank# about:blank# about:blank# about:/V003/Logout_Deconnexion http://ec.gc.ca/default.asp? lang=En&n=FD9B0E51-1 https://ec.ss.ec.gc.ca/auth/en/Services about:/ about:/ about:/ General Information Substance List CAS RN Substance Name Releases Releases (Speciated VOCs) Disposals Recycling Unit 103­23­1 Bis(2­ethylhexyl) adipate 0.0000 N/A N/A N/A tonnes 117­81­7 Bis(2­ethylhexyl) phthalate 0.0001 N/A N/A N/A tonnes 85­44­9 Phthalic anhydride N/A N/A N/A N/A tonnes Extension 73642 Fax: 4164994687 Email: darryl.chartrand@ch2m.com Contact Type Highest Ranking Employee Name: Robert Greenop Position: Plant Manager Telephone: 5199385865 Email: robert.greenop@polyone.com Mailing Address: Address Line 1: City, Province/Territory, Postal Code: None Country: None Contact Type Person who prepared the report Name: Najat Kamal Position: EHSQ specialist Telephone: 5148089920 Email: najat.kamal@polyone.com Mailing Address: Delivery Mode: GeneralDelivery Address Line 1: City, Province/Territory, Postal Code: None Country: None Number of employees: 16 Activities for Which the 20,000­Hour Employee Threshold Does Not Apply: None of the above Activities Relevant to Reporting Dioxins, Furans and Hexacholorobenzene: None of the above Activities Relevant to Reporting of Polycyclic Aromatic Hydrocarbons (PAHs): Wood preservation using creosote: No Is this the first time the facility is reporting to the NPRI (under current or past ownership): No Is the facility controlled by another Canadian company or companies: No Did the facility report under other environmental regulations or permits: No Is the facility required to report one or more NPRI Part 4 substances (Criteria Air Contaminants): No Operating Schedule ­ Days of the Week: Mon, Tue, Wed, Thu, Fri Usual Number of Operating Hours per day: 24 Usual Daily Start Time (24h) (hh:mm): 07:00 CAS RN Substance Name Releases Releases (Speciated VOCs) Disposals Recycling Unit Applicable Programs CAS RN Substance Name NPRI ON MOE TRA ON MOE Reg 127/01 First report for this substance to the ON MOE TRA 103­23­1 Bis(2­ethylhexyl) adipate Yes Yes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Yes Yes No 85­44­9 Phthalic anhydride Yes Yes No General Information about the Substance ­ Releases and Transfers of the Substance CAS RN Substance Name Was the substance released on­site The substance will be reported as the sum of releases to all media (total of 1 tonne or less) 1 tonne or more of a Part 5 Substance (Speciated VOC) was released to air 103­23­1 Bis(2­ ethylhexyl) adipate Yes Yes No 117­81­7 Bis(2­ ethylhexyl) phthalate Yes Yes No 85­44­9 Phthalic anhydride No No No General Information about the Substance ­ Disposals and Off­site Transfers for Recycling CAS RN Substance Name Was the substance disposed of (on­site or off­ site), or transferred for treatment prior to final disposal Is the facility required to report on disposals of tailings and waste rock for the selected reporting period Was the substance transferred off­site for recycling 103­23­1 Bis(2­ ethylhexyl) adipate No No No 117­81­7 Bis(2­ ethylhexyl) phthalate No No No 85­44­9 Phthalic anhydride No No No General Information about the Substance ­ Nature of Activities CAS RN Substance Name Manufacture the Substance Process the Substance Otherwise Use of the Substance 103­23­1 Bis(2­ethylhexyl) adipate For sale/distribution As a formulation component As a by­product 117­81­7 Bis(2­ethylhexyl) phthalate For sale/distribution As a formulation component As a by­product 85­44­9 Phthalic anhydride As a by­product As a reactant As a by­product TRA Quantifications CAS RN Substance Name Use, Creation, Contained in Product Quantity Use ranges for public reporting 103­23­1 Bis(2­ethylhexyl) adipate Use 0.000 tonnes Yes 103­23­1 Bis(2­ethylhexyl) adipate Creation 27.159 tonnes Yes 103­23­1 Bis(2­ethylhexyl) adipate Contained in Product 27.159 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Use 0.000 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Creation 0.104 tonnes Yes 117­81­7 Bis(2­ethylhexyl) phthalate Contained in Product 0.104 tonnes Yes 85­44­9 Phthalic anhydride Use 4228.7 tonnes Yes 85­44­9 Phthalic anhydride Creation 0.000 tonnes Yes 85­44­9 Phthalic anhydride Contained in Product 4228.7 tonnes Yes TRA Quantifications ­ Others CAS RN Substance Name Change in Method of Quantification Reasons for Change Description of how the change impact tracking and quantification of the substance Description of how an incident(s) affected quantifications Significant Process Change 103­23­1 Bis(2­ ethylhexyl) adipate No 117­81­7 Bis(2­ ethylhexyl) phthalate No 85­44­9 Phthalic anhydride No CAS RN Substance Name Change in Method of Quantification Reasons for Change Description of how the change impact tracking and quantification of the substance Description of how an incident(s) affected quantifications Significant Process Change Total Quantity Released (All Media) CAS RN Substance Name Category Basis of Estimate Detail Code Quantity 103­23­1 Bis(2­ethylhexyl) adipate Total Quantity Released O ­ Engineering Estimates 0.0000 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate Total Quantity Released O ­ Engineering Estimates 0.0001 tonnes On­site Releases ­ Quarterly Breakdown of Annual Releases CAS RN Substance Name Quarter 1 Quarter 2 Quarter 3 Quarter 4 117­81­7 Bis(2­ethylhexyl) phthalate 25 25 25 25 On­site Releases ­ Reasons for Changes in Quantities Released from Previous Year CAS RN Substance Name Reasons for Changes in Quantities from Previous Year Comments 103­23­1 Bis(2­ethylhexyl) adipate No significant change (i.e. < 10%) or no change 117­81­7 Bis(2­ethylhexyl) phthalate No significant change (i.e. < 10%) or no change 85­44­9 Phthalic anhydride No significant change (i.e. < 10%) or no change Disposals ­ Reasons and Comments CAS RN Substance Name Reasons Why Substance Was Disposed Reasons for Changes in Quantities from Previous Year Comments 103­23­1 Bis(2­ethylhexyl) adipate No significant change (i.e. < 10%) or no change 117­81­7 Bis(2­ethylhexyl) phthalate No significant change (i.e. < 10%) or no change 85­44­9 Phthalic anhydride No significant change (i.e. < 10%) or no change Recycling ­ Reasons and Comments CAS RN Substance Name Reasons Why Substance Was Recycled Reasons for Changes in Quantities Recycled from Previous Year Comments 103­23­1 Bis(2­ethylhexyl) adipate No significant change (i.e. < 10%) or no change 117­81­7 Bis(2­ethylhexyl) phthalate No significant change (i.e. < 10%) or no change 85­44­9 Phthalic anhydride No significant change (i.e. < 10%) or no change Comparison Report ­ Enters, Creation, Contained in Product CAS RN Substance Name Is Breakdown Category Quantity Last Reported Quantity Reporting Period of Last Reported Quantity Change % Change 117­81­7 Bis(2­ethylhexyl) phthalate No Enters the facility (Use) 0.000 tonnes 0.000 tonnes 2015 0.000 117­81­7 Bis(2­ethylhexyl) phthalate No Creation 0.104 tonnes 52.387 tonnes 2015 ­52.283 ­99.80 117­81­7 Bis(2­ethylhexyl) phthalate No Contained in Product 0.104 tonnes 52.387 tonnes 2015 ­52.283 ­99.80 85­44­9 Phthalic anhydride No Enters the facility (Use) 4228.7 tonnes 417.417 tonnes 2015 3811.283 913.06 85­44­9 Phthalic anhydride No Creation 0.000 tonnes 0.000 tonnes 2015 0.000 85­44­9 Phthalic anhydride No Contained in Product 4228.7 tonnes 417.417 tonnes 2015 3811.283 913.06 Comparison Report ­ Enters, Creation, Contained in Product : Reason(s) for Change CAS RN Substance Name Reason(s) for Change Other Reason 117­81­7 Bis(2­ethylhexyl) phthalate Decrease in production levels Implementation of actions outside of toxics reduction plan 85­44­9 Phthalic anhydride Increase in production levels Comparison Report ­ On­site Releases CAS RN Substance Name Is Breakdown Category Quantity Last Reported Quantity Reporting Period of Last Reported Quantity Change % Change 117­81­7 Bis(2­ethylhexyl) phthalate No Total Releases to Air 0 tonnes CAS RN Substance Name Is Breakdown Category Quantity Last Reported Quantity Reporting Period of Last Reported Quantity Change % Change 117­81­7 Bis(2­ethylhexyl) phthalate No Total Releases to Water 0 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate No Total Releases to Land 0 tonnes 117­81­7 Bis(2­ethylhexyl) phthalate No Total Releases to All Media 0.0001 tonnes 0.0000 tonnes 2015 0.0001 100 Comparison Report ­ On­site Releases ­ Reason(s) for Change CAS RN Substance Name Reason(s) for Change Other Reason 117­81­7 Bis(2­ethylhexyl) phthalate No reasons ­ quantities approximately the same Pollution Prevention Progress on TRA Plan ­ Objectives CAS RN Substance Name Objectives 117­81­7 Bis(2­ ethylhexyl) phthalate Polyone will strive to reduce the use of this substance at the facility.

10001, or by calling (800) 326-5897 or email a request to cmclientsupport@wellsfargo.com.

Contacts Public Contact First Name: * Brian Last Name: * Greer Position: * EHS Manager Telephone: * 5192150535 Ext Fax Email: * brian.greer@polyone.com Person responsible for the Toxic Substance Reduction Plan preparation First Name: * Darryl Last Name: * Chartrand Position: * Senior Air Quality Technologist Telephone: * 4164999000 Ext 73642 Fax 4164994687 Email: * darryl.chartrand@ch2m.com Employees Employees Number of Full­time Employees: * 16 Copy of Certifications of Plan Copy of Certifications of Plan Upload Document A copy of the certification statement(s) from the Highest Ranking Employee and the Licensed Planner(s), for the Toxic Substance Reduction Plan for which the Plan Summary is being submitted are required.

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