Horizontal balance sheet ratios      Liquidity and debt ratios      Interest coverage

Please refer to our section "Reports" for updates on a quarterly basis.

Horizontal balance sheet ratios (from 2004 based on IFRS) 2007 2006 2005 2004 2003 2002 2001 2000 Fixed asset coverage I (%)  =  Stockholders' equity* Intangible assets + Tangible assets + Financial assets 76 72 93** 84 78 79 78 60 Fixed asset coverage II (%)  =  Stockholders' equity* + Long-term liabilities Intangible assets + Tangible assets + Financial assets 129 122 145** 139 130 124 124 107 * Minus proposed dividend ** based on new calculation methods

Liquidity and debt ratios (from 2004 based on IFRS) 2006 2007 2005 2004 2003 2002 2001 2000 Liquidity I (%)  =  Short-term receivables + Liquid funds Short-term liabilities + Proposed dividend 151 132 180 176 190*** 164*** 164*** 112*** Dynamic debt level (%)  =  Cash provided by operating activities Financial indebtedness 57 63 133**** 141 139 64 82 38 Debt-equity ratio (%)  =  Financial indebtedness Stockholders' equity 50.3 51.0** 22.5** 19.9** 22.1** 22.7** 16.2** 55.2** ** Previous year’s figure adjusted based on new calculation method. *** Liquidity I = current assets / short-term liabilities; based on HGB **** Before external financing of pension obligations

Interest coverage (from 2004 based on IFRS) 2007 2006 2005 2004 2003 2002 2001 2000 EBITDA interest coverage  =  Income from operations before interest, taxes depreciation and amortization Interest expense 21.7 26.1 23.4** 26.7 14.0 13.3 7.6 10.6 ** based on new calculation methods