CERTIFICATE OF INCORPORATION ON CHANGE OF NAME Company Number 3141094 The Registrar of Companies for England and Wales hereby certifies that under the Companies Act 2006: POLYONE CORPORATION UK LIMITED a company incorporated as private limited by shares, havingits registered office situated in England and Wales, has changed its name to: AVIENT MATERIAL SOLUTIONS UK LIMITED Given at Companies House on9th November 2021.

Announced transformative portfolio improvements by divesting Performance Products and Solutions (PP&S) segment and signing definitive agreement to acquire Clariant Masterbatch business masterbatch business, including, without limitation, the acquisition being accretive; 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; changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; 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; an inability to raise or sustain prices for products or services; an ability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to acquisition and integration, working capital reductions, costs reductions and employee productivity goals; information systems failures and cyberattacks; and other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.

G1QCertificate Number: 82756 Certificate of Incorporation on Change Of Name For Registrar of Companies I hereby certify that CLARIANT PLASTICS & COATINGS (IRELAND) LIMITED having, by a Special Resolution of the Company, and with the approval of the Registrar of Companies, changed its name, is now incorporated as a LTD - Private Company Limited by Shares under the name AVIENT COLORANTS IRELAND LIMITED and I have entered such name on the Register accordingly.

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PK materials also offer sustainability advantages over POM by emitting lower carbon emissions during polymer production.

When compared to existing same fill size packaging on the market, this dynamic new design offers dramatic space savings, which equates to more product on a pallet and truck—especially when compared to alternative pouch packaging.

   Performance Products and Solutions    Performance Products and Solutions    Performance Products and Solutions

It works to create an active barrier against oxygen ingress, helping to enhance product protection and extend shelf life. ColorMatrix™ Amosorb™ 4020R addresses this performance issue and is the latest in a portfolio of solutions Avient has developed to enable high-quality recycled packaging.

It works to create an active barrier against oxygen ingress, helping to enhance product protection and extend shelf life. ColorMatrix™ Amosorb™ 4020R addresses this performance issue and is the latest in a portfolio of solutions Avient has developed to enable high-quality recycled packaging.

This in turn affects consumer perceptions of product appearance and brand value. Avient’s solution provides our customers with the robust barrier properties required for PET rigid containers, but with negligible effects on efficacy for rPET.