| ICU HOLDINGS LIMITED |
42,144,784 |
£1,534,070 |
| ICU Investment Management Ltd. |
39,533,702 |
£1,439,027 |
| Tengri Partners (Kazakhstan) LLP |
38,273,216 |
£1,393,145 |
| EMOV Limited |
31,975,192 |
£1,163,897 |
| RD Energy LLC |
31,975,192 |
£1,163,897 |
| Dehus Dolmen Nominees Limited |
30,588,054 |
£1,113,405 |
| Amundi SA |
16,489,360 |
£600,213 |
| Fraseli Investments S.à r.l. |
16,111,100 |
£586,444 |
| First Equity Limited |
11,389,000 |
£414,560 |
| Armstrong Investments Limited |
11,389,000 |
£414,560 |
| Trafigura Ventures V B.V. |
8,152,557 |
£296,753 |
| FPP Asset Management |
6,359,517 |
£231,486 |
| Baring Vostok Capital Partners |
2,905,005 |
£105,742 |
| Prudential plc group of companies |
1,784,081 |
£64,940 |
| Claremont Holdings C.V. |
1,529,895 |
£55,688 |
| Aberforth Partners LLP |
938,445 |
£34,159 |
| Harding Loevner, LP |
928,470 |
£33,796 |
| M&G Investment Funds |
921,092 |
£33,528 |
| Aggregate of Standard Life Aberdeen Plc |
879,123 |
£32,000 |
| The Wellcome Trust Limited |
576,598 |
£20,988 |