RWE AG(RWE). The Group's principal activities are utility services, environmental services, printing machinery and constructions. The Group operates in two-business divisions Core and Non-core business. The Core business includes Electricity, Gas, Water and Environmental services. Electricity division; power generation and lignite-fired power. Gas division; exploration and production of petroleum and natural gas. The Water division; supply of drinking water. Environmental services division; waste water services, recycling services, nuclear waste disposal. The Non-core business consists of Construction division; civil engineering, project management and development. Industrial machinery division; manufacturing of printing machinery and other services. The Company has operations in Europe, America, Asia, Australia and Africa. Electricity accounted for 51% of 2002 revenues; Non-Core Business, 26%; Gas, 12%, Water, 6% and Environmental Services, 5%