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BlackRock Group LTD
> GLF
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2016 | GULFMARK OFFSHORE INC | GLF | 0 | -17,297 | 0 | -29,000 | |
| 09/30/2016 | GULFMARK OFFSHORE INC | GLF | 17,297 | 1,251 | 29,000 | -21,000 | $1.68 |
| 06/30/2016 | GULFMARK OFFSHORE INC | GLF | 16,046 | 1,798 | 50,000 | -38,000 | $3.12 |
| 03/31/2016 | GULFMARK OFFSHORE INC | GLF | 14,248 | 14,248 | 88,000 | 88,000 | $6.18 |
| 12/31/2015 | GULFMARK OFFSHORE INC | GLF | 15,315 | -1,498 | 72,000 | -455,000 | $4.70 |
| 09/30/2015 | GULFMARK OFFSHORE INC | GLF | 14,959 | -1,425 | 91,000 | -99,000 | $6.08 |
| 06/30/2015 | GULFMARK OFFSHORE INC | GLF | 16,384 | -429 | 190,000 | -337,000 | $11.60 |
| 03/31/2015 | GULFMARK OFFSHORE INC | GLF | 17,797 | 984 | 233,000 | -294,000 | $13.09 |
| 12/31/2014 | GULFMARK OFFSHORE INC | GLF | 16,020 | -793 | 392,000 | -135,000 | $24.47 |
| 09/30/2014 | GULFMARK OFFSHORE INC | GLF | 16,813 | 15,316 | 527,000 | 451,000 | $31.34 |
| 06/30/2014 | GULFMARK OFFSHORE INC | GLF | 11,947 | 10,450 | 540,000 | 469,000 | $45.20 |
| 03/31/2014 | GULFMARK OFFSHORE INC | GLF | 5,878 | 4,381 | 264,000 | 193,000 | $44.91 |
| 12/31/2013 | GULFMARK OFFSHORE INC | GLF | 1,497 | 0 | 71,000 | -5,000 | $47.43 |
| 09/30/2013 | GULFMARK OFFSHORE INC | GLF | 1,497 | 677 | 76,000 | 39,000 | $50.77 |
| 06/30/2013 | GULFMARK OFFSHORE INC | GLF | 820 | 820 | 37,000 | 37,000 | $45.12 |
| 09/30/2012 | GULFMARK OFFSHORE INC | GLF | 0 | -5,240 | 0 | -178,000 | |
| 06/30/2012 | GULFMARK OFFSHORE INC | GLF | 5,240 | 5,240 | 178,000 | 178,000 | $33.97 |
| 12/31/2011 | GULFMARK OFFSHORE INC | GLF | 0 | -7,500 | 0 | -273,000 | |
| 09/30/2011 | GULFMARK OFFSHORE INC | GLF | 7,500 | 0 | 273,000 | -58,000 | $36.40 |
| 06/30/2011 | GULFMARK OFFSHORE INC | GLF | 7,500 | 0 | 331,000 | -3,000 | $44.13 |
| 03/31/2011 | GULFMARK OFFSHORE INC | GLF | 7,500 | 0 | 334,000 | 106,000 | $44.53 |
| 03/31/2011 | GULFMARK OFFSHORE INC | GLF | 7,500 | 0 | 334,000 | 106,000 | $44.53 |
| 12/31/2010 | GULFMARK OFFSHORE INC | GLF | 7,500 | 0 | 228,000 | -2,000 | $30.40 |
| 09/30/2010 | GULFMARK OFFSHORE INC | GLF | 7,500 | 0 | 230,000 | 33,000 | $30.67 |
| 09/30/2010 | GULFMARK OFFSHORE INC | GLF | 7,500 | 0 | 230,000 | 33,000 | $30.67 |
| 06/30/2010 | GULFMARK OFFSHORE INC | GLF | 7,500 | 0 | 197,000 | -2,000 | $26.27 |
| 03/31/2010 | GULFMARK OFFSHORE INC | GLF | 7,500 | 7,500 | 199,000 | 199,000 | $26.53 |
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