Accentro Real Estate AG. ESTAVIS AG is a Germany-based holding company active in the real estate sector. The Company business operations comprise domestic properties, focusing mainly on commercially attractive locations in Germany. Its activities include acquisition, modernization and sale of residential properties. The Company business model is particularly based on residential property. ESTAVIS AG's operations are divided into two segments: Trade, which comprises buying and selling of residential properties and individual apartments, especially retailing of apartments to owner occupiers and investor within the framework or retail privatizations of housing portfolios; and Portfolio, in which the Company takes advantage of its acquisition network to identify housing portfolios with high value-added potential, and exploits its management know-how to raise potential and to ensure cash-flows from the management of the acquired portfolios. As of December 31, 2011, the Company operated 42 subsidiaries.

ADLER Real Estate provides commercial and residential project development services in the form of improvement, planning, development and construction, as well as asset management services and property management services. Adler is also engaged in the acquisition, sale, renting and financing of real estate. Co. also provides international and national joint venture activities and acts as co-investor in the acquisition of real estate portfolios.

Grand City Properties is a specialist real estate company based in Luxembourg. Co. is focused on investing in and managing turnaround opportunities in the German real estate property market. Co. is active in all relevant asset and property management activities along the real estate value chain from buying to redeveloping, managing and selling real estate properties. Co. also maintains a centralized 24/7 Service Center to coordinate and assure tenant satisfaction. Co.'s portfolio is located mainly in Berlin, North Rhine Westphalia, Dresden, Leipzig, Halle, Nuremberg, Munich, Mannheim, Frankfurt, Bremen and Hamburg.

Nordex is a holding company. Co. is a supplier of multimegawatt onshore wind turbines for locations characterised by strong, medium and light wind conditions. Co. focuses on developing and producing the entire system including the control software as well as the main core components and on providing related services. This mainly refers to the sale of wind power systems and, in selected markets, the upstream wind farm project development and sale of turnkey solutions. In addition, Co. assembles wind turbines and provides the necessary after-sales service. Co.'s finance department also supports customers to raise project finance via national and international commercial banks.