NORTH ATLANTIC DRILLING LTD

CUSIP: G6613P202 Class: Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q3 2015
Shares 130,153 Value ($000) $100 Avg Close — Range —
Q2 2015
Shares 130,553 Value ($000) $155 Avg Close — Range —
Q1 2015
Shares 132,513 Value ($000) $154 Avg Close — Range —
Q4 2014
Shares 132,513 Value ($000) $216 Avg Close — Range —
Q3 2014
Shares 131,949 Value ($000) $879 Avg Close — Range —
Q2 2014
Shares 130,500 Value ($000) $1,386 Avg Close — Range —
Q1 2014
Shares 130,000 Value ($000) $1,149 Avg Close — Range —