| Activity with respect to investments in other companies during 2017, 2016 and 2015 is as follows: |
| As of December 31, | ||||
| 2017 | 2016 | 2015 | ||
| MCh$ | MCh$ | MCh$ | ||
| Opening balance as of January 1, | 23,780 | 20,309 | 17,914 | |
| Acquisition of investments (*) | 3 | 1,123 | 302 | |
| Sale of investments | - | - | - | |
| Participation in income | 3,962 | 3,012 | 2,588 | |
| Dividends received | (116) | (217) | (278) | |
| Other equity adjustments | (44) | (447) | (217) | |
| Total | 27,585 | 23,780 | 20,309 | |
| (*) | See reference, part a) of this note. |