COVANCE INC

CUSIP: 222816100 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2014
Shares 113,434 Value ($000) $11,779 Avg Close — Range —
Q3 2014
Shares 197,833 Value ($000) $15,569 Avg Close — Range —
Q2 2014
Shares 67,161 Value ($000) $5,748 Avg Close — Range —
Q1 2014
Shares 64,158 Value ($000) $6,666 Avg Close — Range —