The interim report for the period ended September 30, 2008, which received clearance for publication on November 7, 2008, was prepared in accordance with the International Financial Reporting Standards (IFRSs) applicable in the EU.
With the exception of the changes and new rules described in the following section, this interim report was prepared using the accounting policies applied in the consolidated financial statements for fiscal 2007. For further information, please see the consolidated financial statements for the period ended December 31, 2007, which provide the basis for this interim report. In line with IAS 34, the scope of reporting for the presentation of the consolidated financial statements of RWE AG for the period ended September 30, 2008, was condensed compared with the scope applied to the consolidated financial statements for the full year.
The interest rates applied to provisions for nuclear waste management and provisions for mining damage are the same as the ones used as of December 31, 2007. Provisions for pensions and similar obligations are discounted at an interest rate of 6.50 % in Germany and 7.30 % abroad (December 31, 2007: 5.50 % in Germany and 5.95 % abroad).
Due to the German Corporate Tax Reform Act of 2008, the average comprehensive income tax rate for enterprises taxed in Germany declined from 39.4 % to 30.9 % as of fiscal 2008. This tax rate will be used as a basis for calculating both current income taxes in fiscal 2008 as well as deferred taxes.