NORTH ATLANTIC DRILLING LTD

CUSIP: G6613P129 Class: COM

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

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

Q3 2017
Shares 4,700 Value ($000) $2 Avg Close — Range —
Q2 2017
Shares 1,272 Value ($000) $1 Avg Close — Range —
Q4 2016
Shares 776 Value ($000) $2 Avg Close — Range —
Q3 2016
Shares 3,646 Value ($000) $11 Avg Close — Range —
Q2 2016
Shares 247 Value ($000) $1 Avg Close — Range —
Q1 2016
Shares 188 Value ($000) $0 Avg Close — Range —