Rating
| Agenzia | Attuale | Data | |
| Standard & Poor's | Rating M/L Termine Rating Breve Termine Outlook |
BBB A-2 Negativo |
05/04/2012 |
| Moody's | Rating M/L Termine Outlook |
Baa1 (in revisione per downgrade) Negativo |
17/04/2012 |
| Investment Grade | Non investment Grade | ||
| S&P | MOODY'S | S&P | MOODY'S |
| AAA | Aaa | BB+ | BA1 |
| AA+ | Aa1 | BB | BA2 |
| AA | Aa2 | BB- | BA3 |
| A+ | A1 | B | B2 |
| A | A2 | B- | B3 |
| A- | A3 | CCC+ | CAA1 |
| BBB+ | Baa1 | CCC | CAA2 |
| BBB | Baa2 | CCC- | CAA3 |
| BBB- | Baa3 | CC | CA |
| C | C | ||
| D | |||