SEADRILL LIMITED

CUSIP: g7945e105 Class: SHS

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q1 2014
Shares 20,525 Value ($000) $722 Avg Close — Range —
Q4 2013
Shares 27,500 Value ($000) $1,130 Avg Close — Range —