Trinseo Engages in Initiative to Develop Recycling Solutions for Polystyrene

Trinseo (NYSE: TSE), a global materials company and manufacturer of plastics, latex binders and synthetic rubber, announced today its participation in an industry initiative to identify and develop new recycling solutions that will convert post-consumer polystyrene waste into virgin polystyrene that will meet the most demanding industry standards, including for food-related use.

As a member of this PlasticsEurope Polystyrene initiative, Trinseo is committed to advancing recycling solutions for polystyrene. Trinseo supports an objective, technology-based strategy and vision for the plastics and packaging industry, guided by circular economy principles.

“Proactively advancing polystyrene recycling solutions is a critical task that Trinseo fully supports while adhering to circular economy principles,” said Tim Stedman, Senior Vice President and Business President, Basic Plastics & Feedstocks at Trinseo. “Furthermore, engaging in such an initiative supports Trinseo’s core value of being socially responsible and delivering innovative and sustainable solutions to help our customers solve the most complex materials challenges.”

Polystyrene is a versatile material for packaging, food service, building materials, consumer products and other uses. As a light and stable material, polystyrene not only insulates well, keeping produce fresh over long periods of time, but is a low cost and recyclable alternative. For over 80 years, STYRON™ Polystyrene has paved the way for technological advancements around the world.

About Trinseo

Trinseo (NYSE: TSE) is a global materials solutions provider and manufacturer of plastics, latex binders, and synthetic rubber. We are focused on delivering innovative and sustainable solutions to help our customers create products that touch lives every day — products that are intrinsic to how we live our lives — across a wide range of end-markets, including automotive, consumer electronics, appliances, medical devices, lighting, electrical, carpet, paper and board, building and construction, and tires. Trinseo had approximately $3.7 billion in net sales in 2016, with 16 manufacturing sites around the world, and nearly 2,200 employees. For more information visit www.trinseo.com.

Note on Forward-Looking Statements

This press release may contain “forward-looking statements” within the meaning of the safe harbor provisions of the United States Private Securities Litigation Reform Act of 1995. Words such as “expect,” “estimate,” “project,” “budget,” “forecast,” “anticipate,” “intend,” “plan,” “may,” “will,” “could,” “should,” “believes,” “predicts,” “potential,” “continue,” and similar expressions are intended to identify such forward-looking statements. Forward-looking statements in this press release may include, without limitation, forecasts of growth, revenues, business activity, acquisitions, financings and other matters that involve known and unknown risks, uncertainties and other factors that may cause results, levels of activity, performance or achievements to differ materially from results expressed or implied by this press release. As a result of the foregoing considerations, you are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.