Van Eck Associates Corporation
| | Direct | | 17 June 2019 | 514,272 |
Van Eck Associates Corporation
| | Direct | | 13 June 2019 | 93,480 |
Van Eck Associates Corporation
| | Direct | | 11 June 2019 | 257,180 |
Van Eck Associates Corporation
| Decrease at price 4.05 per share. | Direct | 757,512 | 10 June 2019 | 187,040 |
Weiss Asset Management
| Bought at price 4.02 per share. | Direct | 518,125 | 07 June 2019 | 128,887 |
Van Eck Associates Corporation
| Bought at price 4.05 per share. | Direct | 676,179 | 07 June 2019 | 166,958 |
Van Eck Associates Corporation
| | Direct | | 05 June 2019 | 527,750 |
Van Eck Associates Corporation
| | Direct | | 20 May 2019 | 87,960 |
D. E. Shaw & Co., L.P
| | Direct | | 20 May 2019 | 0 |
Van Eck Associates Corporation
| | Direct | | 16 May 2019 | 193,490 |
Van Eck Associates Corporation
| | Direct | | 15 May 2019 | 394,415 |
Van Eck Associates Corporation
| | Direct | | 14 May 2019 | 221,200 |
Van Eck Associates Corporation
| | Direct | | 13 May 2019 | 53,094 |
Majedie Asset Management, Ltd.
| Sold at price 3.43 per share. | Direct | 1,008,399 | 13 May 2019 | 293,994 |
Van Eck Associates Corporation
| | Direct | | 10 May 2019 | 265,470 |
Van Eck Associates Corporation
| | Direct | | 08 May 2019 | 318,672 |
D. E. Shaw & Co., L.P
| | Direct | | 08 May 2019 | 0 |
D. E. Shaw & Co., L.P
| | Direct | | 07 May 2019 | 0 |
Van Eck Associates Corporation
| | Direct | | 07 May 2019 | 147,635 |
D. E. Shaw & Co., L.P
| | Direct | | 06 May 2019 | 0 |
D. E. Shaw & Co., L.P
| | Direct | | 03 May 2019 | 0 |
D. E. Shaw & Co., L.P
| | Direct | | 02 May 2019 | 0 |
D. E. Shaw & Co., L.P
| | Direct | | 29 Apr 2019 | 0 |
Majedie Asset Management, Ltd.
| Sold at price 3.87 per share. | Direct | 364,929 | 29 Apr 2019 | 94,297 |
Van Eck Associates Corporation
| | Direct | | 29 Apr 2019 | 70,840 |
Van Eck Associates Corporation
| | Direct | | 26 Apr 2019 | 88,560 |
Majedie Asset Management, Ltd.
| Sold at price 3.97 per share. | Direct | 1,228,583 | 25 Apr 2019 | 309,467 |
Majedie Asset Management, Ltd.
| Sold at price 4.00 per share. | Direct | 381,000 | 24 Apr 2019 | 95,250 |
D. E. Shaw & Co., L.P
| | Direct | | 24 Apr 2019 | 0 |
D. E. Shaw & Co., L.P
| | Direct | | 23 Apr 2019 | 0 |
Van Eck Associates Corporation
| | Direct | | 23 Apr 2019 | 88,550 |
D. E. Shaw & Co., L.P
| | Direct | | 18 Apr 2019 | 0 |
D. E. Shaw & Co., L.P
| | Direct | | 16 Apr 2019 | 0 |
D. E. Shaw & Co., L.P
| | Direct | | 15 Apr 2019 | 0 |
Van Eck Associates Corporation
| | Direct | | 11 Apr 2019 | 88,440 |
Van Eck Associates Corporation
| | Direct | | 10 Apr 2019 | 79,578 |
EXOR Investments (UK) LLP
| Increase at price 0.27 per share. | Direct | 455,728 | 10 Apr 2019 | 1,706,850 |
D. E. Shaw & Co., L.P
| | Direct | | 10 Apr 2019 | 0 |
Van Eck Associates Corporation
| | Direct | | 09 Apr 2019 | 335,996 |
EXOR Investments (UK) LLP
| Bought at price 4.82 per share. | Direct | 1,002,560 | 08 Apr 2019 | 208,000 |
EXOR Investments (UK) LLP
| Bought at price 0.75 per share. | Direct | 292,800 | 08 Apr 2019 | 390,400 |
Van Eck Associates Corporation
| | Direct | | 05 Apr 2019 | 88,430 |
Van Eck Associates Corporation
| | Direct | | 28 Mar 2019 | 229,892 |
Jane Street Capital LLC
| Increase at price 4.50 per share. | Direct | 36,366,223 | 27 Mar 2019 | 8,081,383 |
Van Eck Associates Corporation
| | Direct | | 26 Mar 2019 | 97,265 |
Van Eck Associates Corporation
| Decrease at price 4.23 per share. | Direct | 682,650 | 19 Mar 2019 | 161,383 |
Van Eck Associates Corporation
| Sold at price 4.12 per share. | Direct | 11,003,036 | 15 Mar 2019 | 2,670,640 |
Van Eck Associates Corporation
| Decrease at price 4.25 per share. | Direct | 3,807,655 | 28 Feb 2019 | 895,919 |
Ruffer LLP
| Sold at price 4.26 per share. | Direct | 294,357 | 27 Feb 2019 | 69,098 |
Ruffer LLP
| Sold at price 4.39 per share. | Direct | 574,659 | 26 Feb 2019 | 130,902 |
EXOR Investments (UK) LLP
| Sold at price 4.38 per share. | Direct | 190,092 | 25 Feb 2019 | 43,400 |
Ruffer LLP
| | Direct | | 20 Feb 2019 | 0 |
Van Eck Associates Corporation
| Bought at price 4.33 per share. | Direct | 71,436 | 20 Feb 2019 | 16,498 |
Ruffer LLP
| | Direct | | 18 Feb 2019 | 0 |
Ruffer LLP
| | Direct | | 14 Feb 2019 | 0 |
Ruffer LLP
| | Direct | | 12 Feb 2019 | 0 |
Ruffer LLP
| | Direct | | 11 Feb 2019 | 0 |
Ruffer LLP
| Sold at price 4.27 per share. | Direct | 853,999 | 08 Feb 2019 | 200,000 |
Ruffer LLP
| | Direct | | 07 Feb 2019 | 0 |
Van Eck Associates Corporation
| Decrease at price 3.43 per share. | Direct | 4,031,309 | 07 Feb 2019 | 1,175,309 |
EXOR Investments (UK) LLP
| Sold at price 3.64 per share. | Direct | 1,001,000 | 06 Feb 2019 | 275,000 |
Ruffer LLP
| | Direct | | 06 Feb 2019 | 0 |
Ruffer LLP
| | Direct | | 05 Feb 2019 | 0 |
Ruffer LLP
| | Direct | | 04 Feb 2019 | 0 |
EXOR Investments (UK) LLP
| Sold at price 3.54 per share. | Direct | 247,800 | 01 Feb 2019 | 70,000 |
Ruffer LLP
| | Direct | | 01 Feb 2019 | 0 |
Ruffer LLP
| | Direct | | 30 Jan 2019 | 0 |
Van Eck Associates Corporation
| Decrease at price 3.25 per share. | Direct | 392,151 | 30 Jan 2019 | 120,662 |
Ruffer LLP
| | Direct | | 29 Jan 2019 | 0 |
D. E. Shaw & Co., L.P
| Sold at price 3.01 per share. | Direct | 3,611 | 25 Jan 2019 | 1,200 |
Van Eck Associates Corporation
| | Direct | | 25 Jan 2019 | 98,660 |
Van Eck Associates Corporation
| | Direct | | 23 Jan 2019 | 256,516 |
Van Eck Associates Corporation
| | Direct | | 18 Jan 2019 | 98,750 |
Ruffer LLP
| | Direct | | 18 Jan 2019 | 0 |
Van Eck Associates Corporation
| Decrease at price 2.95 per share. | Direct | 257,417 | 17 Jan 2019 | 87,260 |
Van Eck Associates Corporation
| Decrease at price 2.73 per share. | Direct | 278,405 | 16 Jan 2019 | 101,980 |
Majedie Asset Management, Ltd.
| Sold at price 2.88 per share. | Direct | 938,174 | 14 Jan 2019 | 325,755 |
Ruffer LLP
| | Direct | | 14 Jan 2019 | 0 |
Ruffer LLP
| | Direct | | 11 Jan 2019 | 0 |
Ruffer LLP
| | Direct | | 10 Jan 2019 | 0 |
Ruffer LLP
| | Direct | | 09 Jan 2019 | 0 |
Van Eck Associates Corporation
| Decrease at price 2.89 per share. | Direct | 232,974 | 08 Jan 2019 | 80,614 |
D. E. Shaw & Co., L.P
| Sold at price 2.93 per share. | Direct | 5,567 | 07 Jan 2019 | 1,900 |
D. E. Shaw & Co., L.P
| Sold at price 3.02 per share. | Direct | 2,114 | 04 Jan 2019 | 700 |
Van Eck Associates Corporation
| | Direct | | 03 Jan 2019 | 197,520 |
Van Eck Associates Corporation
| | Direct | | 31 Dec 2018 | 331,012 |
D. E. Shaw & Co., L.P
| Sold at price 2.79 per share. | Direct | 2,232 | 31 Dec 2018 | 800 |
D. E. Shaw & Co., L.P
| | Direct | | 21 Dec 2018 | 0 |
Van Eck Associates Corporation
| Bought at price 2.35 per share. | Direct | 27,806,196 | 21 Dec 2018 | 11,832,424 |
Van Eck Associates Corporation
| Sold at price 2.36 per share. | Direct | 83,450,994 | 21 Dec 2018 | 35,360,591 |
Van Eck Associates Corporation
| Decrease at price 2.60 per share. | Direct | 766,844 | 20 Dec 2018 | 294,940 |
Van Eck Associates Corporation
| Increase at price 2.45 per share. | Direct | 1,858,694 | 19 Dec 2018 | 758,651 |
Van Eck Associates Corporation
| | Direct | | 17 Dec 2018 | 10,845 |
Van Eck Associates Corporation
| | Direct | | 14 Dec 2018 | 28,250 |
Van Eck Associates Corporation
| | Direct | | 13 Dec 2018 | 64,534 |
Van Eck Associates Corporation
| Increase at price 2.62 per share. | Direct | 121,306 | 11 Dec 2018 | 46,300 |
Van Eck Associates Corporation
| | Direct | | 10 Dec 2018 | 212,340 |
Van Eck Associates Corporation
| | Direct | | 07 Dec 2018 | 221,999 |
Van Eck Associates Corporation
| | Direct | | 06 Dec 2018 | 187,461 |
Van Eck Associates Corporation
| | Direct | | 04 Dec 2018 | 70,170 |
Van Eck Associates Corporation
| | Direct | | 03 Dec 2018 | 45,640 |
Van Eck Associates Corporation
| Increase at price 2.44 per share. | Direct | 105,261 | 30 Nov 2018 | 43,140 |
Van Eck Associates Corporation
| | Direct | | 28 Nov 2018 | 51,354 |
Van Eck Associates Corporation
| | Direct | | 27 Nov 2018 | 125,532 |
Van Eck Associates Corporation
| Increase at price 2.54 per share. | Direct | 400,453 | 26 Nov 2018 | 157,659 |
Van Eck Associates Corporation
| Decrease at price 2.70 per share. | Direct | 223,287 | 21 Nov 2018 | 82,699 |
Van Eck Associates Corporation
| | Direct | | 15 Nov 2018 | 39,935 |
Van Eck Associates Corporation
| Increase at price 2.34 per share. | Direct | 740,785 | 14 Nov 2018 | 316,575 |
Van Eck Associates Corporation
| Increase at price 2.31 per share. | Direct | 106,544 | 13 Nov 2018 | 46,123 |
Van Eck Associates Corporation
| | Direct | | 09 Nov 2018 | 84,390 |
Van Eck Associates Corporation
| | Direct | | 08 Nov 2018 | 138,050 |
Ruffer LLP
| Bought at price 2.56 per share. | Direct | 566,830 | 06 Nov 2018 | 221,418 |
Van Eck Associates Corporation
| | Direct | | 05 Nov 2018 | 248,760 |
Ruffer LLP
| Bought at price 3.32 per share. | Direct | 89,523 | 02 Nov 2018 | 26,965 |
Ruffer LLP
| | Direct | | 01 Nov 2018 | 15,038 |
Van Eck Associates Corporation
| Decrease at price 2.56 per share. | Direct | 281,438 | 01 Nov 2018 | 109,937 |
Van Eck Associates Corporation
| Increase at price 2.82 per share. | Direct | 187,783 | 31 Oct 2018 | 66,590 |
Van Eck Associates Corporation
| Increase at price 2.88 per share. | Direct | 319,196 | 29 Oct 2018 | 110,832 |
Van Eck Associates Corporation
| | Direct | | 26 Oct 2018 | 561,888 |
EXOR Investments (UK) LLP
| Bought at price 2.94 per share. | Direct | 294 | 24 Oct 2018 | 100 |
Van Eck Associates Corporation
| | Direct | | 23 Oct 2018 | 154,405 |
Van Eck Associates Corporation
| | Direct | | 18 Oct 2018 | 21,556 |
Van Eck Associates Corporation
| | Direct | | 16 Oct 2018 | 29,653 |
EXOR Investments (UK) LLP
| Sold at price 3.28 per share. | Direct | 713,623 | 16 Oct 2018 | 217,568 |
Van Eck Associates Corporation
| Decrease at price 3.40 per share. | Direct | 157,488 | 15 Oct 2018 | 46,320 |
Van Eck Associates Corporation
| | Direct | | 12 Oct 2018 | 787,233 |
Van Eck Associates Corporation
| | Direct | | 10 Oct 2018 | 176,850 |
Van Eck Associates Corporation
| | Direct | | 05 Oct 2018 | 64,507 |
EXOR Investments (UK) LLP
| Bought at price 2.75 per share. | Direct | 495,000 | 02 Oct 2018 | 180,000 |
Van Eck Associates Corporation
| | Direct | | 28 Sept 2018 | 81,351 |
Van Eck Associates Corporation
| | Direct | | 26 Sept 2018 | 38,702 |
Van Eck Associates Corporation
| Increase at price 2.50 per share. | Direct | 195,375 | 25 Sept 2018 | 78,150 |
Van Eck Associates Corporation
| | Direct | | 24 Sept 2018 | 77,836 |
EXOR Investments (UK) LLP
| Bought at price 2.57 per share. | Direct | 1,285,000 | 24 Sept 2018 | 500,000 |
Van Eck Associates Corporation
| Sold at price 2.52 per share. | Direct | 24,960,070 | 21 Sept 2018 | 9,904,790 |
Van Eck Associates Corporation
| | Direct | | 19 Sept 2018 | 137,007 |
Van Eck Associates Corporation
| | Direct | | 17 Sept 2018 | 664,547 |
Van Eck Associates Corporation
| | Direct | | 14 Sept 2018 | 422,340 |
Van Eck Associates Corporation
| | Direct | | 12 Sept 2018 | 195,600 |
Van Eck Associates Corporation
| | Direct | | 11 Sept 2018 | 78,070 |
Van Eck Associates Corporation
| | Direct | | 07 Sept 2018 | 324,152 |
EXOR Investments (UK) LLP
| Bought at price 2.64 per share. | Direct | 2,059,200 | 06 Sept 2018 | 780,000 |
Van Eck Associates Corporation
| Decrease at price 2.58 per share. | Direct | 1,127,137 | 05 Sept 2018 | 436,875 |
EXOR Investments (UK) LLP
| Bought at price 2.60 per share. | Direct | 1,027,000 | 05 Sept 2018 | 395,000 |
Ruffer LLP
| | Direct | | 31 Aug 2018 | 6,530 |
Van Eck Associates Corporation
| Decrease at price 2.48 per share. | Direct | 909,205 | 29 Aug 2018 | 366,615 |
Van Eck Associates Corporation
| | Direct | | 24 Aug 2018 | 214,900 |
Van Eck Associates Corporation
| | Direct | | 23 Aug 2018 | 97,600 |
Van Eck Associates Corporation
| Increase at price 2.30 per share. | Direct | 224,907 | 22 Aug 2018 | 97,786 |
Van Eck Associates Corporation
| | Direct | | 20 Aug 2018 | 227,041 |