| Lease operating and services agreements not to be terminated | | As of December 31, 2017 | | |
| | | ThCh$ | | |
| Within 1 year | | | 76,034,131 | |
| Between 1 and 5 years | | | 114,491,827 | |
| Over 5 years | | | 58,866,710 | |
| Total | | | 249,392,668 | |