COVANCE INC

CUSIP: 222816100 Class: COM

STEPHENS INC /AR/'s Holding History (CIK: 0000757657)

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

Q3 2014
Shares 2,753 Value ($000) $217 Avg Close — Range —
Q2 2014
Shares 2,755 Value ($000) $236 Avg Close — Range —
Q1 2014
Shares 2,648 Value ($000) $275 Avg Close — Range —
Q4 2013
Shares 2,640 Value ($000) $232 Avg Close — Range —
Q3 2013
Shares 2,635 Value ($000) $228 Avg Close — Range —
Q2 2013
Shares 1,195 Value ($000) $91 Avg Close — Range —