| Company | Role | Joined | Share Capital |
|---|---|---|---|
| HYDRO ENERGY HOLDINGS LTDA | Sócio-Administrador (49) | 7/20/1998 | |
| HYDRO POWER HOLDINGS LTDA | Sócio-Administrador (49) | 7/31/1998 | |
| MHP PARTICIPACOES LTDA. | Administrador (5) | 12/22/1999 | |
| NEUMAYER DO BRASIL HOLDINGS LTDA | Sócio (22) | 8/14/1998 |