| Quarter | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Sep 2017 | Industrial Venture Capital Ltd | 446,400 | 1.08% |
| Jun 2017 | Industrial Venture Capital Ltd | 446,400 | 1.08% |
| Mar 2017 | Industrial Venture Capital Ltd | 446,400 | 1.08% |
| Dec 2016 | Industrial Venture Capital Ltd | 446,400 | 1.08% |
| Sep 2016 | Industrial Venture Capital Ltd | 446,400 | 1.08% |
| Jun 2016 | Industrial Venture Capital Ltd | 446,400 | 1.08% |
| Mar 2016 | Industrial Venture Capital Ltd | 446,400 | 1.08% |
| Dec 2015 | Industrial Venture Capital Ltd | 446,400 | 1.08% |