The consolidated financial statements for 2011 and the quarterly reports are prepared in accordance with the International Financial Reporting Standards (IFRS) and the interpretations of the IFRS Interpretations Committee (IFRS IC) as applicable in the European Union (EU). The commercial law provisions of Section 315a Paragraph 1 of the German Commercial Code (HGB) have also been applied. All mandatory standards and interpretations for the 2011 financial year were respected.
There were no significant changes to the group of consolidated companies compared with the same period last year. The individual changes compared with year-end 2010 are shown in the Notes to the consolidated financial statements, . These changes had no significant effect on the consolidated balance sheet and income statement in comparison with the same period last year.