SEADRILL LTD

CUSIP: 022416162 Class: com

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2013
Shares 5,990 Value ($000) $246 Avg Close — Range —
Q3 2013
Shares 6,353 Value ($000) $286 Avg Close — Range —
Q2 2013
Shares 5,998 Value ($000) $244 Avg Close — Range —