CHUBB CORP

CUSIP: 171232101 Class: COM

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q4 2015
Shares 415,500 Value ($000) $55,112 Avg Close — Range —
Q3 2015
Shares 2,372,679 Value ($000) $291,009 Avg Close — Range —
Q2 2015
Shares 4,499,200 Value ($000) $428,054 Avg Close — Range —
Q1 2015
Shares 4,427,385 Value ($000) $447,609 Avg Close — Range —
Q4 2014
Shares 4,406,185 Value ($000) $455,908 Avg Close — Range —
Q3 2014
Shares 4,385,585 Value ($000) $399,439 Avg Close — Range —
Q2 2014
Shares 4,325,050 Value ($000) $398,640 Avg Close — Range —
Q1 2014
Shares 4,302,750 Value ($000) $384,236 Avg Close — Range —
Q4 2013
Shares 4,727,462 Value ($000) $456,815 Avg Close — Range —
Q3 2013
Shares 5,132,646 Value ($000) $458,140 Avg Close — Range —
Q2 2013
Shares 5,388,946 Value ($000) $456,174 Avg Close — Range —