| Issue | Issuer | Agency | Classification | Rating Document |
| 1st, 3th & 4th Debentures Issues | Serena Geração | Fitch Ratings | AA- (bra) | Report (PT only) |
| 2nd Debentures Issues | Delta 3 | Fitch Ratings | AAA (bra) | Report (PT only) |
| 1st Debentures Issues | Delta 2 | Fitch Ratings | A+ (bra) | Report (PT only) |
| 1st Debentures Issues | CEA II | Moody’s | AA+ (bra) | Report (PT only) |
| 1st Debentures Issues | Serena Desenvolvimento | Fitch Ratings | A (bra) | Report (PT only) |
| 1st Debentures Issues | Serena Desenvolvimento | Moody’s | A.br | Report (PT only) |
