Shareholder Information
The company's shares are not traded on any other exchanges other than AIM and there are no restrictions on the trading of their securities.
No shares are held in treasury.
Number of shares in issue: 186,535,639
Of the shares in issue 50.8% are considered not to be in public hands.
| Significant Shareholders | No of Shares | Percent |
| NEXEN | 39,714,290 | 21.29% |
| FRANCIS GUGEN | 27,615,764 | 14.80% |
| BRENT CHESHIRE | 11,429,253 | 6.13% |
| ANDREW AUSTIN | 10,659,253 | 5.71% |
| BAILLIE GIFFORD | 9,397,551 | 5.04% |
| HENDERSON GLOBAL INVESTORS | 9,002,036 | 4.83% |
| PETER LEVINE | 8,871,005 | 4.76% |
| SCHRODER INVESTMENT MANAGEMENT | 7,119,212 | 3.82% |
| HEDGER MANAGEMENT | 6,450,000 | 3.46% |
| BLACKROCK | 6,428,858 | 3.45% |