Investor Relations

Credit Rating

Year Long-term Short-term Outlook
2016 twAA- twA-1+ Stable
2015 twAA- twA-1+ Stable
2014 twAA- twA-1+ Stable
2013 twAA- twA-1+ Stable
2012 twAA- twA-1+ Negative
2011 twAA- twA-1+ Negative
2010 twAA- twA-1+ Stable
2009 twAA- twA-1+ Stable
2008 twAA twA-1+ Stable
2007 twAA twA-1+ Stable
2006 twAA- twA-1+ Stable
2005 twAA- twA-1 Stable
2004 twAA- twA-1 Stable