Investor relations
Credit ratings
| Credit ratings | |
|---|---|
| Standard & Poor's | |
| Long-term rating (changed January 22, 2009) | BBB, outlook stable |
| Short-term rating | A-2 |
| Fitch | |
| Long-term rating (changed January 29, 2010) | BBB, outlook stable |
| Short-term rating | F2 |
| Moody's | |
| Long-term rating (changed November 24, 2011) | Baa2, outlook negative |
| Short-term rating | P2 |
