NORTH ATLANTIC DRILLING LTD

CUSIP: G6613P202 Class: Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q3 2015
Shares 18,734 Value ($000) $14 Avg Close — Range —
Q2 2015
Shares 18,734 Value ($000) $22 Avg Close — Range —
Q1 2015
Shares 21,688 Value ($000) $24 Avg Close — Range —
Q4 2014
Shares 19,102 Value ($000) $31 Avg Close — Range —
Q3 2014
Shares 18,794 Value ($000) $125 Avg Close — Range —
Q2 2014
Shares 18,794 Value ($000) $200 Avg Close — Range —