COVANCE INC

CUSIP: 222816100 Class: COM

BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp's Holding History (CIK: 0001228242)

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

Q1 2012
Shares 10,595 Value ($000) $505 Avg Close — Range —
Q3 2011
Shares 20,700 Value ($000) $941 Avg Close — Range —