COVANCE INC

CUSIP: 222816100 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2014
Shares 5,116 Value ($000) $530 Avg Close — Range —
Q3 2014
Shares 5,116 Value ($000) $404 Avg Close — Range —
Q2 2014
Shares 3,100 Value ($000) $264 Avg Close — Range —
Q1 2014
Shares 20,600 Value ($000) $2,130 Avg Close — Range —
Q4 2013
Shares 88,851 Value ($000) $7,854 Avg Close — Range —
Q3 2013
Shares 136,317 Value ($000) $11,763 Avg Close — Range —
Q2 2013
Shares 140,684 Value ($000) $10,824 Avg Close — Range —