Pricing Announcement

Trinseo Announces Price Increase for Polystyrene in Europe

June 2, 2026
Trinseo Announces Price Increase for Polystyrene in Europe

PFAEFFIKON, Switzerland – Trinseo, a specialty material solutions provider, and its affiliate companies in Europe announced today a price increase for all polystyrene (PS) grades. Effective June 1, 2026, or depending on existing contract terms, the prices for the products listed below will increase as follows:

  • STYRON™ and STYRON™ X-TECH general purpose polystyrene grades (GPPS) by 15 Euro per metric ton
  • STYRON™ and STYRON™ A-TECH, STYRON™ C-TECH and STYRON™ X- TECH high impact polystyrene grades (HIPS) by 15 Euro per metric ton


For editorial information: 

Radu Botoaca, Trinseo 
+ 49 6196 969 3025 
rbotoaca@trinseo.com
 

About Trinseo

Trinseo, a specialty material solutions provider, partners with companies to bring ideas to life in an imaginative, smart and sustainably focused manner by combining its premier expertise, forward-looking innovations and best-in-class materials to unlock value for companies and consumers. From design to manufacturing, Trinseo taps into decades of experience in diverse material solutions to address customers’ unique challenges in a wide range of industries, including building and construction, consumer goods, medical and mobility.

Trinseo’s employees bring endless creativity to reimagining the possibilities with clients all over the world from the company’s locations in North America, Europe and Asia Pacific. Trinseo reported net sales of approximately $3.0 billion in 2025. Discover more by visiting www.trinseo.com and connecting with Trinseo on LinkedIn, X, Facebook and WeChat.

Cautionary Note on Forward-Looking Statements

This press release may contain forward-looking statements including, without limitation, statements concerning plans, objectives, goals, projections, forecasts, strategies, future events or performance, and underlying assumptions and other statements, which are not statements of historical facts or guarantees or assurances of future performance. Forward-looking statements may be identified by the use of words like “expect,” “anticipate,” “believe,” “intend,” “forecast,” “outlook,” “will,” “may,” “might,” “see,” “tend,” “assume,” “potential,” “likely,” “target,” “plan,” “contemplate,” “seek,” “attempt,” “should,” “could,” “would” or expressions of similar meaning. Forward-looking statements reflect management’s evaluation of information currently available and are based on the Company’s current expectations and assumptions regarding its business, the economy, its current indebtedness, and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. Factors that might cause future results to differ from those expressed by the forward-looking statements include, but are not limited to, our ability to complete the steps contemplated by the RSA; our ability to complete voluntary proceedings under Chapter 11 of the U.S. Bankruptcy Code; our ability to obtain Court approval of our pre-packaged plan of reorganization and debtor-in-possession financing; our ability to complete the Chapter 11 process on an expedited basis; our ability to obtain necessary regulatory approvals; our ability to reduce our debt obligations and interest expense; the potential adverse effects of the Chapter 11 process on our liquidity and results of operations; the timing or amount of recovery, if any, to our stakeholders; uncertainty regarding our ability to retain key personnel; the diversion of management’s attention as a result of the Chapter 11 process; increased administrative and legal costs related to the Chapter 11 proceedings; changes in our ability to meet its financial obligations during the Chapter 11 proceedings and to maintain contracts that are critical to its operations; the effectiveness of the overall restructuring activities pursuant to the Chapter 11 process and any additional strategies that we may employ to address its liquidity and capital resources and achieve its stated goals; the actions and decisions of equity holders, creditors, regulators, and other third parties that have an interest in the Chapter 11 process, which may interfere with the ability to confirm and consummate the steps contemplated by the RSA; our ability to execute on our long-term growth strategy and operate from a positive free cash flow position; and those discussed in our Annual Report on Form 10-K, under Part I, Item 1A — “Risk Factors” and elsewhere in our other reports, filings and furnishings made with the U.S. Securities and Exchange Commission from time to time. As a result of these or other factors, the Company’s actual results, performance or achievements may differ materially from those contemplated by the forward-looking statements. Therefore, we caution you against relying on any of these forward-looking statements. The forward-looking statements included in this press release are made only as of the date hereof. The Company undertakes no obligation to publicly update or revise any forward-looking statement as a result of new information, future events or otherwise, except as otherwise required by law.