SEADRILL LIMITED

CUSIP: G7945E105 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q2 2013
Shares 10,000 Value ($000) $407 Avg Close — Range —
Q1 2013
Shares 10,000 Value ($000) $372 Avg Close — Range —
Q4 2012
Shares 10,000 Value ($000) $368 Avg Close — Range —
Q3 2012
Shares 10,000 Value ($000) $392 Avg Close — Range —
Q2 2012
Shares 10,000 Value ($000) $355 Avg Close — Range —
Q1 2012
Shares 59,100 Value ($000) $2,217 Avg Close — Range —
Q4 2011
Shares 56,800 Value ($000) $1,885 Avg Close — Range —
Q3 2011
Shares 56,800 Value ($000) $1,564 Avg Close — Range —
Q2 2011
Shares 5,000 Value ($000) $176 Avg Close — Range —