SEADRILL LIMITED

CUSIP: G7945E105 Class: COM

BOKF, NA's Holding History (CIK: 0000009634)

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

Q3 2015
Shares 24,803 Value ($000) $147 Avg Close — Range —
Q2 2015
Shares 16,587 Value ($000) $172 Avg Close — Range —
Q3 2014
Shares 8,770 Value ($000) $235 Avg Close — Range —
Q2 2014
Shares 7,193 Value ($000) $287 Avg Close — Range —
Q1 2014
Shares 6,394 Value ($000) $225 Avg Close — Range —
Q3 2013
Shares 7,769 Value ($000) $350 Avg Close — Range —
Q2 2013
Shares 5,314 Value ($000) $216 Avg Close — Range —