COVANCE INC

CUSIP: 222816100 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q3 2014
Shares 11,638 Value ($000) $916 Avg Close — Range —
Q2 2014
Shares 1,140,420 Value ($000) $97,597 Avg Close — Range —
Q1 2014
Shares 1,118,530 Value ($000) $116,215 Avg Close — Range —
Q4 2013
Shares 1,053,561 Value ($000) $92,777 Avg Close — Range —
Q3 2013
Shares 1,000,128 Value ($000) $86,471 Avg Close — Range —
Q2 2013
Shares 852,860 Value ($000) $64,937 Avg Close — Range —