| Type of Security | Stocks |
| Stock Code | CSMG3 |
| ISIN Code | BRCSMGACNOR5 |
| Maximum Spread | 1,5% |
| Quantity | 3.000 |
| Round Lot | 100 |
| Market Maker | BTG Pactual CTVM S.A. |
| Market Maker Hired Yes | Yes, by Companhia de Saneamento de Minas Gerais (Copasa MG) |
| Expiration of the Contract | Undetermined |
| Contract in Force since | 10/16/17 |
| Market Maker since | 10/16/17 |