Long-term corporate credit rating
| Company | Agency | National Scale Rating | Global Scale Rating | Outlook | Date |
| Aegea Saneamento e Participações S.A. | Moody’s | Aaa | Ba1 | Stable | 04/03/2020 |
| Aegea Saneamento e Participações S.A. | Fitch | AA(bra) / Stable | BB / Negative | – | 06/09/2020 |
| Águas Guariroba S.A. | Fitch | AA(bra) | – | Stable | 06/09/2020 |
| Prolagos S.A. | Fitch | AA(bra) | – | Stable | 06/09/2020 |
| Nascentes do Xingu S.A. | Fitch | AA(bra) | – | Stable | 06/09/2020 |
| Águas de Teresina Saneamento SPE S.A. | Fitch | AA(bra) | – | Stable | 06/09/2020 |
Issuance Ratings
| Company | Issuance | Amount | Agency | Rating | Outlook | Date |
| Aegea Finance S.à. r.l. | 7-year senior unsecured Notes | US$ 400 million | Moody’s | Ba2 | Stable | 04/23/2020 |
| Fitch | BB | Stable | 06/09/2020 | |||
| Águas Guariroba S.A. | 5-year local debentures | R$ 400 million | Fitch | AA(bra) | Stable | 06/09/2020 |
| Prolagos S.A. | 5-year local debentures | R$ 100 million | Fitch | AA(bra) | Stable | 06/09/2020 |
| Nascentes do Xingu S.A. | 7-year infrastructure debentures | R$ 155 million | Fitch | AA(bra) | Stable | 06/09/2020 |
| Águas de Teresina Saneamento SPE S.A. | 2-year local debentures | R$ 200 million | Fitch | AA(bra) | Stable | 06/09/2020 |
| Aegea Saneamento e Participações S.A. | 7-year local debentures | R$ 600 million | Moody’s | Aa1.br | Stable | 04/03/2020 |
| Prolagos S.A. | 5-year local debentures | R$ 100 million | Fitch | AA(bra) | Stable | 06/09/2020 |
| Águas Guariroba S.A. | 10-year local debentures | R$ 580 million | Fitch | AA(bra) | Stable | 06/09/2020 |
| Aegea Saneamento e Participações S.A. | 5-year local debentures | R$ 305 million | Moody’s | Aa1.br | Stable | 04/03/2020 |
| Águas de Teresina Saneamento SPE S.A. | 1-year local debentures | R$ 102 million | Moody’s | AA(bra) | Stable | 04/03/2020 |
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