Trinseo International Holding LLC has officially filed for a bankruptcy process. Based in Wayne, Pennsylvania, the company provides solutions as a specialty materials and plastics manufacturer.
Court records show the filing is aimed at reorganizing more than $450 million in unsecured claims while the company continues normal operations. Twelve of its affiliates have also filed separate bankruptcy cases.
Trinseo International Holding LLC Enters Bankruptcy
The company voluntarily submitted a Chapter 11 petition on May 26, 2026. The filing was likely pre-negotiated, as the case records note that a ‘plan’ was filed with the petition. According to PACER, acceptances for the same were received from a certain number of its creditors.
A pre-packaged Chapter 11 process typically allows companies to move through bankruptcy more quickly and with greater control than standard cases. In addition, the focus is on curbing debt while running normal operations. As of now, both assets and liabilities of Trinseo International Holding LLC range from $1 billion to $10 billion, indicating that it owes an enormous amount of money.
Twelve Affiliates Filed for Chapter 11
Case records show that, along with Trinseo International Holding LLC, 12 of its affiliates also made their individual filings in the U.S. Bankruptcy Court for the Southern District of Texas.
These entities, along with the debtor, have requested a joint administration of their cases in the court:
- Altuglas LLC
- Aristech Surfaces LLC
- Trinseo Holding B.V.
- Trinseo Holding S.à r.l.
- Trinseo LLC
- Trinseo Luxco Finance SPV S.à r.l.
- Trinseo Luxco S.à r.l.
- Trinseo Materials Finance, Inc.
- Trinseo NA Finance LLC
- Trinseo NA Finance SPV LLC
- Trinseo PLC
- Trinseo US Holding, Inc.
Trinseo PLC confirmed its pre-packaged restructuring plan through a recent news release. According to it, the company has reached a restructuring support agreement (RSA) with its lenders who hold a majority of its senior secured debt. Once approved by the court, the RSA could help the entity curb debts by almost $2 billion and annual interest expense by around $140 million.
While the developments unfold in coming days, regular operations are expected to continue. In addition, employees, customers, vendors, and suppliers have not been asked to give up anything as part of the RSA.
Case Related Details
Attorney Timothy A. (“Tad”) Davidson II of Hunton Andrews Kurth LLP is the legal counsel for the company. Case filings add that chief restructuring officer Alan Boyko signed the petition prior to filing.
As of now, Trinseo International Holding LLC has listed around 1,000 to 5,000 creditors in total in its petition. Court filings indicate that funds will be available for distribution to the unsecured creditors.
The petition further shows that the document filings included a consolidated list of the 30 largest unsecured creditors. Out of these, The Bank of New York Mellon holds the largest claim of over $407 million.
Other creditors listed in the petition were Rohm and Haas Chemicals LLC, Quantix Managed Solutions LLC, ExxonMobil Chemical, TPC Group LLC, The Dow Chemical Company, and more.
Apart from these, the company submitted a corporate ownership statement and a list of equity security holders.
A summary of the petition is shared here:
- Filing Date: May 26, 2026
- Court and Jurisdiction: U.S. Bankruptcy Court for the Southern District of Texas
- Type of Filing: Active, Voluntary Petition
- Chapter: 11
- Case Number: 26-90543
- Estimated Assets: Between $1,000,000,001 and $10 billion
- Estimated Liabilities: Between $1,000,000,001 and $10 billion
- Estimated Creditors: Between 1,000 and 5,000
- Reason for Filing: Restructure business under court supervision
About the Company
As a specialty material solutions provider, the company serves across a range of industries, including building and construction, consumer goods, medical, and mobility. Solutions include acrylic beads, latex binders, thermoplastic elastomers, polycarbonate, and more.
According to its website, the net sales of Trinseo International Holding LLC in 2024 were estimated at $3.5 billion. It currently has around 2,950 employees who work across 21 global manufacturing sites and 11 R&D facilities.
With a focus on sustainability, the Wayne, Pennsylvania-based company handles 4 recycling operations, including pilot plants. These include latex binders, plastics solutions, engineered materials, and polystyrene.
The website adds that the company’s locations are in North America, Europe, and the Asia-Pacific.
The latest filing marks a major restructuring for the specialty materials and plastics manufacturer as it seeks to stabilize its future financial footing.
