Umicore is a materials technology group with three business areas: The Catalysis group is one of the world's largest manufacturers of automotive emission control catalysts. This segment also includes precious metals chemistry. Energy & Surface Technologies produces rechargeable battery materials, electro-optic materials, thin film products, electroplating and cobalt and specialty materials and includes the 40% stake in Element Six Abrasives. The Recycling segment is the world's largest recycler and refiner of complex materials containing precious metals. Precious metals management (trading, leasing, hedging), battery recycling and jewellery & industrial metals as well as technical materials are included in this segment. Umicore’s roots go back to the year 1805. The company is headquartered in Brussels.