TP BLUE T225-1-1 TR YELLOW Q010-1-1 YELLOW OPAQUE Q020-2-1

Avient’s Oxyloop-1 grade has earned the endorsement of the European Platform for Bottle Packaging (EPBP) for bottle-to-bottle recyclability for the colored recycled stream. We are thrilled to introduce the ColorMatrix Amosorb Oxyloop-1 grade to the market," said Dr. ColorMatrix Amosorb Oxyloop-1 additive meets direct food contact regulatory requirements in major markets, providing peace of mind to both manufacturers and consumers.

Tuesday, March 1, 2016 Swanson, Director, Investor Relations PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com, Media Contact: Kyle G. Rose, Vice President, Corporate Communications PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

When: Thursday, March 26, 2015 – Presentation Time: 1:00 PM Investor Relations Contact: Eric Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Media Contact: Kyle Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

When: Tuesday, May 19, 2015 – Presentation Time: 1:10 PM Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

June 1, 2018 June 1, 2018 Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Friday, August 1, 2025 Friday, August 1, 2025 Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

To participate in the audio-only portion of the call, dial 1-844-835-7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 3293155, as previously announced. Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com, or Media Contact: Kyle G. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Należy kierować się następującymi dwoma prostymi zasadami: 1. avient.ethicspoint.com 1-877-228-5410 (USA). NASZ KODEKS SZACUNEK DLA UCZCIWOŚĆ W DZIAŁALNOŚCI SPOŁECZNA ODPOWIEDZIALNOŚĆ KODEKS POSTĘPOWANIA | 30 Ameryka Północna Global Headquarters Avon Lake, Stany Zjednoczone 33587 Walker Road Avon Lake, OH, Stany Zjednoczone 44012 Bezpłatny numer telefonu: +1 866 765 9663 Numer telefonu: +1 440 930 1000 Faks: +1 440 930 3064 Azja i Pacyfik Regional Headquarters Shanghai, Chiny 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, Chiny Tel. +86 (0) 21 6028 4888 Faks: +86 (0) 21 6028 4999 Ameryka Południowa Regional Headquarters Sao Paulo, Brazylia Av.

Siga estas dos reglas sencillas: 1. no use información sustancial y no pública para su propio beneficio; y 2. no comparta esta información con alguien que no tenga necesidad de conocerla para realizar su trabajo en Avient. avient.ethicspoint.com 1-877-228-5410 (EE.UU.) NUESTRO CÓDIGO DE HONESTIDAD EN INTEGRIDAD DE RESPONSABILIDAD CÓDIGO DE CONDUCTA | 30 http://avient.ethicspoint.com Norteamérica Sede mundial de Avon Lake, Estados Unidos 33587 Walker Road Avon Lake, OH, United States 44012 Llamada gratuita: +1 866 765 9663 Teléfono: +1 440 930 1000 Fax: +1 440 930 3064 Asia Pacífico Sede regional de Shanghái (China) 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, China Teléfono: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Sudamérica Sede regional en São Paulo (Brasil) Av.