DOMINION DIAMOND CORP

CUSIP: 257287102 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q3 2017
Shares 6,014 Value ($000) $85 Avg Close — Range —
Q2 2017
Shares 2,477 Value ($000) $31 Avg Close — Range —
Q1 2017
Shares 30,119 Value ($000) $380 Avg Close — Range —
Q4 2016
Shares 24,947 Value ($000) $241 Avg Close — Range —
Q3 2016
Shares 4,786 Value ($000) $46 Avg Close — Range —
Q2 2016
Shares 25,010 Value ($000) $221 Avg Close — Range —
Q1 2015
Shares 115 Value ($000) $1 Avg Close — Range —