April 18, 2018 Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K.

Avient Corporation 33587 Walker Road Avon Lake, OH 44012 1 AVIENT’S POSITION ON HUMAN RIGHTS July 2021 OUR COMMITMENT Avient is dedicated to conducting business ethically and with integrity, and our Position on Human Rights is part of our commitment to socially responsible business practices. Avient forbids the use of any form of child labor in connection with Avient’s business. To ensure consistent communication and compliance, all associates globally are expected to complete our Code of Conduct training on an annual basis on various aspects of our Code, including but not limited to human rights.

In addition, ColorForward™ 2024, the annual color forecasting guide for the plastics industry, will be on display. Avient will exhibit in booth E08.   About Avient

CENTRALNA INFORMACJA KRAJOWEGO REJESTRU SĄDOWEGO KRAJOWY REJESTR SĄDOWY Stan na dzień 12.04.2021 godz. 13:58:52 Numer KRS: 0000108922 Informacja odpowiadająca odpisowi aktualnemu Z REJESTRU PRZEDSIĘBIORCÓW Data rejestracji w Krajowym Rejestrze Sądowym 23.04.2002 Ostatni wpis Numer wpisu 55 Data dokonania wpisu 12.04.2021 Sygnatura akt LD.XX NS-REJ.KRS/10228/21/64 Oznaczenie sądu SĄD REJONOWY DLA ŁODZI ŚRÓDMIEŚCIA W ŁODZI, XX WYDZIAŁ GOSPODARCZY KRAJOWEGO REJESTRU SĄDOWEGO Dział 1 Rubryka 1 ­ Dane podmiotu 1.Oznaczenie formy prawnej SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ 2.Numer REGON/NIP REGON: 470520600, NIP: 7320000991 3.Firma, pod którą spółka działa AVIENT COLORANTS POLAND SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ 4.Dane o wcześniejszej rejestracji RHB 3264 SĄD REJONOWY DLA ŁODZI-ŚRÓDMIEŚCIA W ŁODZI 5.Czy przedsiębiorca prowadzi działalność gospodarczą z innymi podmiotami na podstawie umowy spółki cywilnej? A NR 2795/2021; NOTARIUSZ KRZYSZTOF ŁASKI; KANCELARIA NOTARIALNA W WARSZAWIE ZMIENIONO; §2 UMOWY SPÓŁKI Rubryka 5 1.Czas, na jaki została utworzona spółka NIEOZNACZONY 2.Oznaczenie pisma innego niż Monitor Sądowy i Gospodarczy, przeznaczonego do ogłoszeń spółki ­­­­­­ 3.Wspólnik może mieć: WIĘKSZĄ LICZBĘ UDZIAŁÓW 4.Czy statut przyznaje uprawnienia osobiste określonym akcjonariuszom lub tytuły uczestnictwa w dochodach lub majątku spółki nie wynikających z akcji? Rubryka 6 ­ Sposób powstania spółki Rubryka 7 ­ Dane wspólników Strona 2 z 8 1 1.Nazwisko / Nazwa lub firma AVIENT SWITZERLAND GMBH 2.Imiona ***** 3.Numer PESEL/REGON --- 4.Numer KRS ---------- 5.Posiadane przez wspólnika udziały 58.000 UDZIAŁÓW O ŁĄCZNEJ WARTOŚCI 29.000.000,00 ZŁ 6.Czy wspólnik posiada całość udziałów spółki?

Certificate of Incorporation AVIENT NEW ZEALAND LIMITED 64590 NZBN: 9429040671338 This is to certify that HOECHST (NEW ZEALAND) LIMITED was incorporated under the Companies Act 1955 on the 3rd day of May 1963 and changed its name to HOECHST NEW ZEALAND LIMITED on the 30th day of January 1974 and was reregistered to become a company under the Companies Act 1993 on the 3rd day of April 1995 and changed its name to CLARIANT (NEW ZEALAND) LIMITED on the 27th day of June 1997 and changed its name to AVIENT NEW ZEALAND LIMITED on the 17th day of May 2021. Registrar of Companies 17th day of May 2021 Certificate generated 17 May 2021 09:10 AM NZST

Avient colorants for TPU applications are specifically designed to reach high quality standards. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. This can help to reduce inventory and can allow the use of general- purpose resin Avient Value-Added Services Avient supports these colorant and additive technologies including: • A focus on sustainability with innovative materials and solutions to help you meet your sustainability goals, including PCR Color Predication Service and Product Footprint Calculator • Leading Color Trend and Design Services - Trend and color insights along with product development assistance from concept through commercialization to optimize design and gain speed to market • Avient Design - A highly specialized group of industrial designers and project engineers that provides advanced design and detailed analysis to foster higher levels of innovation • Application Development and Technical Support - Technical experts specifically trained to work directly with your team to solve definitive application challenges with new or existing approaches • Regulatory Support - Dedicated product stewardship assisting with new product approvals to reduce regulatory overheads and minimize risk • Reliable field technical services and support - Onsite support for tool design, startup, and production optimization to gain manufacturing efficiencies and help resolve technical issues

April 13, 2015 Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K.

August 19, 2021 CLEVELAND – August 19, 2021 – Avient today announced the latest additions to its growing reSound™ R recycled-content thermoplastic elastomers (TPE) portfolio. Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.6 to $4.7 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

August 3, 2021 CLEVELAND – August 3, 2021 – Avient today announced the launch of two patent-pending Versaflex™ CE thermoplastic elastomers (TPEs) for 5G applications. Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.6 to $4.7 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

July 26, 2021 CLEVELAND – July 26, 2021 – Avient today announced the addition of PREPERM™ low-loss dielectric thermoplastics to its growing portfolio of materials serving the needs of emerging 5G applications.  Avient Corporation (NYSE: AVNT), with 2021 expected revenues of $4.3 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.