ENSCO PLC

CUSIP: G3157S106 Class: SHS CLASS A

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q2 2015
Shares 1,374,259 Value ($000) $30,604,748 Avg Close — Range —
Q1 2015
Shares 2,624,990 Value ($000) $55,308,539 Avg Close — Range —
Q4 2014
Shares 2,545,448 Value ($000) $76,236,168 Avg Close — Range —
Q3 2014
Shares 1,811,514 Value ($000) $74,834 Avg Close — Range —
Q2 2014
Shares 1,448,886 Value ($000) $80,515 Avg Close — Range —
Q1 2014
Shares 1,704,758 Value ($000) $89,977,127 Avg Close — Range —
Q4 2013
Shares 1,669,821 Value ($000) $95,480,365 Avg Close — Range —
Q3 2013
Shares 1,817,130 Value ($000) $97,670,738 Avg Close — Range —
Q2 2013
Shares 2,235,950 Value ($000) $129,953,415 Avg Close — Range —