Henri Steinmetz

Great Lakes Chemical Corp. (NYSE: GLK) is a global company dedicated to delivering innovative, market-focused specialty chemical solutions and consumer products. The Company's products and services help treat and purify water, keep surfaces in and around the home shining, protect against and extinguish fire, and enhance the stability and performance of a wide range of consumer products, such as computers, electronics, automobiles, packaging, building materials and furniture. The Company is organized into two global business units that serve diverse markets around the world: Industrial Performance Products and Consumer Products

Rain Carbon Germany GmbH engages in the manufacture, trade, and use of raw materials derived from coal and mineral oil, plastics, as well as other chemical products and building materials. The company was founded on December 18, 2006 and is headquartered in Castrop-Rauxel, Germany.

Ma Hanna Co. is an American company that specializes in manufacturing compounding plastic resin.

RÜTGERS NV manufactures chemical raw materials made from coal tar. It uses a by-product of the coal coking process to produce essential basic materials for the aluminum and steel industries as well as technical oils, naphthalene and other basic chemicals. The company was founded by Julius Rütgers in 1849 and is headquartered in Zelzate, Belgium.

CeramTec Group GmbH provides management services to companies, in which it has a direct or indirect participating interest. These include administrative, financial, and commercial services. The company was founded on May 29, 2013 and is headquartered in Plochingen, Germany.

CeramTec GmbH engages in the development, manufacture, and sale of parts, components and products made from ceramic materials. Its products include dental ceramics; dielectric and capacitors; bearings and sealing technology; circuit carrier; forming processes; heat-sinks; hermetically sealed components; joint replacement; and machining applications. The company was founded in 1996 and is headquartered in Plochingen, Germany.

Trinseo SA engages in the manufacture and marketing of synthetic rubber, latex binders and plastics. It operates through the following segments: Latex Binders, Synthetic Rubber, Performance Plastics, Polystyrene, Feedstock's, Americas Styrene's, and Corporate. The Latex Binders segment produces styrene-butadiene latex and other latex polymers and binders, primarily for coated paper and packaging board, carpet and artificial turf backings. The Synthetic Rubber segment focuses on the production of synthetic rubber products used predominantly in tires, impact modifiers, and technical rubber products. The Performance Plastics segment includes a variety of compounds and blends. The Polystyrene segment comprises of general purpose polystyrenes and polystyrene that has been modified with polybutadiene rubber to increase its impact resistant properties. The Feedstock's segment focuses on the production and procurement of styrene monomer outside of North America. The Americas Styrene's segment consists solely of the operations of the firm's owned joint venture. The company was founded on June 3, 2010 and is headquartered in Berwyn, PA.