Real estate transactions in Switzerland and abroad, acquisition, sale and brokerage of real estate, construction, management, rental, operation and maintenance of properties, project management specific to real estate, planning, construction and operation of energy supplies as well as energy trading; may participate in other companies, establish branches and subsidiaries, provide financing for its own account or for third parties, take out and grant loans, provide guarantees and other securities for subsidiaries and third parties, and acquire, manage and exploit securities and intellectual property rights.