GEORGE INGLIS Vice President, Corporate Controller George Inglis is Vice President, Corporate Controller at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Inglis has taken on numerous special assignments in his tenure, including supporting Avient’s speciality transformation through M&A activity as well as establishing Avient’s Global Business Services (GBS). Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

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AVERY JOHNSON Vice President, Tax Avery Johnson is Vice President, Tax at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Johnson is responsible for Avient’s global tax strategy, processes and administration to support the operational and legal requirements of the company, while working collaboratively with Avient’s Corporate Finance and Treasury departments to ensure consistent communication on transactional and tax planning matters. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

He leads the company’s efforts to drive new business development and market development, enhance marketing excellence across Avient, and advance our commercial excellence programs. Irwin joined Avient in 2024 after a 22-year career at 3M, where he held roles in sales, global marketing and market development leadership, and P&L responsibility for global businesses. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

ENVIRONMENTAL POLICY Avient Corporation conducts its operations in an environmentally responsible manner that is protective of the communities in which we operate. It is the responsibility of each person at Avient to ensure that all operations in the company are carried out in accordance with this policy. It is Avient’s expectation that our stakeholders be equally committed to environmental responsibility.

ENVIRONMENTAL POLICY Avient Corporation conducts its operations in an environmentally responsible manner that is protective of the communities in which we operate. It is the responsibility of each person at Avient to ensure that all operations in the company are carried out in accordance with this policy. It is Avient’s expectation that our stakeholders be equally committed to environmental responsibility.

Sanders is Senior Vice President, General Counsel and Secretary at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Sanders joined Avient in April 2024 and has responsibility for all legal functions, including contracts and transactions, M&A, compliance, labor relations, digital information, privacy, and intellectual property. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Handelsregisteramt des Kantons Basel-Landschaft BASEL LAN DSCHAFT $t Firmennummer cHE-480.567.505 Rechtsnatur Aktiengesellschaft Eintragung 09.09.2019 Löschung U be rtra g CH-280.3.023.7 7 7 -6 von: auf: 1 llillllll llll ll illllll lll A e E n'rasunsen Ei Lö Firma Rel Sitz 1 I 7 7 7 7 Avient Colorants Switzerland AG (Avient Colorants Switzerland Ltd) 1 Muttenz Ei Lö Aktienkapital (CHF) Liberierung (CHF) Aktien-Stückelung Ei Lö Domiziladresse 1 100'000.00 100'000.00 100 vinkulierte Namenaktien zu CHF 1'000.00 1 Rothausstrasse 61 4132 Muttenz Ei Lö Zweck Ei Lö weitere Adressen 1 Die Gesellschaft bezweckt den Erwerb, die Ver"waltung und Veräusserung von Beteiligungen an Unternehmen, die auf dem Gebiet der Chemie und verwandten Gebieten tätig sind, insbesondere im Bereich Masterbatches und Kunststoffe. LANDSCHAFT I cHE480.567.505 Avient Colorants Switzerland AG Muttenz 2 Alle Eintragungen Ei Ae Lö Personalangaben Funktion Zeichnungsart 5 5 3 3 4 b 7 7 7m 4m 7m 6m horigef, in+irstetden Mer*leihNsrberfdeutseherStaatsangehöriger, in Kronberg (DE) rStaatsangehd'riger-in Cuxen@+U) James, Robert Kenneth, amerikanischer Staatsangehöriger, in Ohio (US) Garratt, Michael Alexander, amerikanischer Staatsangehöriger, in Luxemburg (LU) Tamura, Mauricio Massanobu, portugiesischer Staatsangehöriger, in Birsfelden Merklein, Norbert, deutscher Staatsangehöriger, in Rheinfelden l:M.des Venffattungsrates Mitglied des Verwaltungsrates lAltgtietres Veftvattungsrates l+tgl+e#es Venffattungsrates Mitglied des Verwaltungsrates Mitglied des Verwaltungsrates Präsident des Verwaltungsrates Mitglied des Verwaltungsrates @ Kollektivunterschrift zu zweien ffiien Ehz ehrntersehrift Einzelunterschrift Einzelunterschrift Einzelunterschrift Einzelunterschrift Arlesheim, 02.12.2020 11:46 BM Dieser Auszug aus dem kantonalen Handelsregister hat ohne die nebenstehende Originalbeglaubigung keine Gültigkeit.

Roman, Secretary of State of the Government of Puerto Rico, CERTIFY: That on July 13, 2020, at 08:50 AM, "POLYONE PUERTO RICO, LLC", registry number 365432, performed the following transaction: Name Change Previous Actual POLYONE PUERTO RICO, LLC AVIENT PUERTO RICO, LLC CERTIFICATE OF AMENDMENT Government of Puerto Rico IN WITNESS WHEREOF, the undersigned by virtue of the authority vested by law, hereby issues this certificate and affixes the Great Seal of the Government of Puerto Rico, in the City of San Juan, Puerto Rico, today, July 13, 2020.

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