Trinseo Provides Detail on Utility Surcharge for Base Plastics, Polystyrene and Feedstocks

Trinseo (NYSE: TSE), a global materials company and manufacturer of plastics, latex binders and synthetic rubber, and its affiliate companies in Europe, today, provide the following detail regarding utility surcharges for Trinseo base Plastics, Polystyrene and Feedstocks products.

In order to continue ensuring normal production and service levels, Trinseo and its affiliates will implement as of November 1, 2021 price surcharges to all deliveries of the following products in the EMEA Region:

• Styrene Monomer: €200/MT
• STYRON™ Polystyrene Resins: €200/MT
• MAGNUM™ ABS and TYRIL™ SAN Resins: €200/MT
• CALIBRE™ Polycarbonate Resins: €300/MT
• PULSE™ and EMERGE™ PC/ABS Resins: €300/MT
• ENLITE™ ABS Long Glass Fiber (ABS LGF) Alloys: €300/MT

These surcharges are in response to unprecedented and escalating pressure from energy prices and apply to all current agreements and contracts for deliveries as of November 1, 2021 and are subject to further potential adjustments linked to fluctuating energy prices.

About Trinseo

Trinseo (NYSE: TSE) is a global materials solutions provider and manufacturer of plastics and latex binders with a focus on delivering innovative, sustainable, and value-creating products that are intrinsic to our daily lives. Trinseo is dedicated to making a positive impact on society by partnering with like-minded stakeholders and supporting the sustainability goals of our customers in a wide range of end-markets including automotive, consumer electronics, appliances, medical devices, packaging, footwear, carpet, paper and board and building and construction. Trinseo had approximately $3.0 billion in net sales in 2020 and has 26 manufacturing sites around the world and approximately 3,800 employees. For more information, please visit: www.trinseo.com.

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