| Note 26 | Share capital |
| Issued share capital | | 2017 | | 2016 | | ||
| Common stock (amounts in US$ ‘000) | | | 61 | | | 60 | |
| The share capital is distributed as follows: | | | | | | | |
| Common shares, of nominal US$ 0.001 | | | 60,596,219 | | | 59,940,881 | |
| Total common shares in issue | | | 60,596,219 | | | 59,940,881 | |
| | | | | | | | |
| Authorised share capital | | | | | | | |
| US$ per share | | | 0.001 | | | 0.001 | |
| | | | | | | | |
| Number of common shares (US$ 0.001 each) | | | 5,171,949,000 | | | 5,171,949,000 | |
| Amount in US$ | | | 5,171,949 | | | 5,171,949 | |
| · | the right to one vote per share; |
| · | ranking pari passu, the right to any dividend declared and payable on common shares; |
| | | | | Shares | | Shares | | | | |||
| | | | | issued | | closing | | US$(000) | | |||
| GeoPark common shares history | | Date | | (millions) | | (millions) | | Closing | | |||
| Shares outstanding at the end of 2015 | | | | | | | | 59.5 | | | 59 | |
| Stock awards | | Feb 2016 | | | 0.4 | | | 59.9 | | | 60 | |
| Stock awards | | Dec 2016 | | | 0.5 | | | 60.4 | | | 60 | |
| Stock awards | | Dec 2016 | | | 0.1 | | | 60.5 | | | 60 | |
| Buyback program | | Dec 2016 | | | (0.6) | | | 59.9 | | | 60 | |
| Shares outstanding at the end of 2016 | | | | | | | | 59.9 | | | 60 | |
| Stock awards | | Jan 2017 | | | 0.1 | | | 60.0 | | | 60 | |
| Stock awards | | Dec 2017 | | | 0.1 | | | 60.1 | | | 60 | |
| Stock awards | | Dec 2017 | | | 0.5 | | | 60.6 | | | 61 | |
| Shares outstanding at the end of 2017 | | | | | | | | 60.6 | | | 61 | |