As at 31 December 2017, the Company had received notification of the following material interests in voting rights over the Company’s issued ordinary share capital:
| Number of ordinary shares | Percentage of issued share capital | |
| Ayman Asfari and family | 62,958,426 | 18.20% |
| Standard Life Aberdeen plc | 27,829,742 | 8.04% |
| Deutsche Bank AG | 26,459,954 | 7.65% |
| NTMS Investments Limited | 18,134,399 | 5.24% |
| Tosca Fund | 17,990,073 | 5.20% |
Details of Directors' shareholdings can be found in our Governance Report.
In 2017, 38% of our employees participated in at least one of the Petrofac employee share schemes.