Significant Shareholders
In so far as the company has been notified, the following table represents significant shareholders as at Wednesday, 06 September 2017 14:11;
| Name | Number of shares held | Percentage of issued share capital |
| The Aquarius IV Fund LLP | 4,864,375 | 10.4% |
| Andrew Almond | 3,010,000 | 6.5% |
| Charles Blundell | 3,010,000 | 6.5% |
| Calculus Capital Ltd | 2,941,176 | 6.3% |
| Ballie Gifford & Co | 2,933,061 | 6.3% |
| Legal & General Investments Management Ltd | 2,882,000 | 6.2% |
| Andrew Black | 2,845,098 | 6.1% |
| The Aquarius Origin Fund LLP | 2,595,050 | 5.6% |
| Hargreave Hale Ltd | 2,541,000 | 5.5% |
| City Financial Investments Company Ltd | 2,145,000 | 4.6% |
| Herald Investment | 1,500,000 | 3.2% |
AIM securities in issue: 46,555,087 (no shares held in Treasury)
The percentage of AIM securities not in public hands is 30.05%
Directors and their interests
| Name | Number of shares held | Percentage of issued share capital |
| Clive James Dix | 1,324,936 | 2.8% |
| Samuel Cameron Williams | 1,119,625 | 2.4% |
| Alexander James Stevenson | 485,403 |
1.0% |
| Harry Finch | 321,425 | 0.7% |