COVANCE INC

CUSIP: 222816100 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q4 2014
Shares 120 Value ($000) $12 Avg Close — Range —
Q4 2013
Shares 1,591 Value ($000) $140 Avg Close — Range —
Q3 2013
Shares 1,753 Value ($000) $152 Avg Close — Range —
Q2 2013
Shares 1,755 Value ($000) $134 Avg Close — Range —
Q1 2013
Shares 2,673 Value ($000) $199 Avg Close — Range —
Q4 2012
Shares 144 Value ($000) $8 Avg Close — Range —
Q3 2012
Shares 108 Value ($000) $5 Avg Close — Range —