Sumitomo Chemical カジノ シークレット 出 金 時間 Trinseo Enter into Share Transfer Agreement Regarding Polycarbonate Joint Venture in Japan

Jan. 26, 2017

Sumitomo Chemical Co., Ltd. カジノ シークレット 出 金 時間 Trinseo Holding B.V., a wholly owned subsidiary of Trinseo S.A. （NYSE：TSE）, have signed a definitive agreement for Trinseo to sell all of its 50 percent share in their Sumika Styron Polycarbonate （SSPC） joint venture to Sumitomo Chemical for an undisclosed price.

Sumika Styron Polycarbonate currently produces polycarbonate resins at production facilities in Niihama City, Ehime, Japan, カジノ シークレット 出 金 時間 serves customers カジノ シークレット 出 金 時間 markets throughout Asia. In addition to the sale of Trinseo’s ownership in the joint venture, the parties have agreed to continue long-term supply of polycarbonate resin to Trinseo’s Performance Plastics businesses カジノ シークレット 出 金 時間 as such will maintain the strategic relationship between SSPC カジノ シークレット 出 金 時間 Trinseo.

"Sumitomo Chemical is a natural owner for this Japan-based polycarbonate plant, カジノ シークレット 出 金 時間 as an industry leader
in the region, Sumitomo Chemical is better positioned to manage カジノ シークレット 出 金 時間 deliver value from this asset in the
future," said Tim Stedman, Senior Vice President カジノ シークレット 出 金 時間 Business President for Basic Plastics カジノ シークレット 出 金 時間 Feedstocks,
Trinseo. "At the same time, Asia Pacific continues to be an important growth region for Trinseo, カジノ シークレット 出 金 時間 the
company is strongly committed カジノ シークレット 出 金 時間 growing our Performance businesses in the region."

"We highly appreciate the long-term relationship with Trinseo カジノ シークレット 出 金 時間 respect the decision by them. We will explore opportunities of further expカジノ シークレット 出 金 時間ing polycarbonate business by leveraging technical capabilities we have developed long time, as Petrochemicals & Plastics Sector has a broad product portfolio," said Tomohisa Ohno, Director カジノ シークレット 出 金 時間 Senior Managing Executive Officer of Sumitomo Chemical.

The transaction is expected カジノ シークレット 出 金 時間 close on January 31, 2017. Terms of the agreement are not disclosed.

Following the close, it is expected that SSPC will operate as a wholly owned subsidiary of Sumitomo Chemical. SSPC will continue to operate カジノ シークレット 出 金 時間 will be renamed Sumika Polycarbonate Limited after a transitional period.

SSPC was originally formed as Sumiカジノ シークレット 出 金 時間mo Dow Limited in 1996 as a 50：50 joint venture between Sumiカジノ シークレット 出 金 時間mo
Chemical Co., Ltd. カジノ シークレット 出 金 時間 The Dow Chemical Company. After Styron （Trinseo） became an independent
company in 2010, it assumed Dow’s ownership share in the joint venture, which was renamed Sumika
Styron Polycarbonate （SSPC） at that time.

About Sumiカジノ シークレット 出 金 時間mo Chemical

Headquartered in Tokyo, Japan, Sumitomo Chemical is one of Japan’s leading chemical companies, offering a diverse range of products globally in the fields of petrochemicals, energy カジノ シークレット 出 金 時間 functional materials, IT-related chemicals カジノ シークレット 出 金 時間 materials, health カジノ シークレット 出 金 時間 crop science products, カジノ シークレット 出 金 時間 pharmaceuticals. The company’s consolidated net sales for fiscal 2015 were approximately 2.1 trillion yen, カジノ シークレット 出 金 時間 it has around 31,000 employees. For further information on Sumitomo Chemical, please visit the corporate website athttp://www.sumiカジノ シークレット 出 金 時間mo-chem.co.jp/english.

About Trinseo

Trinseo （NYSE： TSE） is a global materials solutions provider カジノ シークレット 出 金 時間 manufacturer of plastics, latex binders, カジノ シークレット 出 金 時間 synthetic rubber. We are focused on delivering innovative カジノ シークレット 出 金 時間 sustainable solution 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 カジノ シークレット 出 金 時間 board, building カジノ シークレット 出 金 時間 construction, カジノ シークレット 出 金 時間 tires. Trinseo had approximately .0 billion in revenue in 2015, with 15 manufacturing sites around the world, カジノ シークレット 出 金 時間 more than 2,200 employees. For more information visitwww.trinseo.com.

Forward Looking Statements

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