COVANCE INC

CUSIP: 222816100 Class: COM

PATTEN & PATTEN INC/TN's Holding History (CIK: 0001044905)

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

Q1 2014
Shares 3,100 Value ($000) $322 Avg Close — Range —
Q4 2013
Shares 3,100 Value ($000) $273 Avg Close — Range —
Q3 2013
Shares 3,100 Value ($000) $236 Avg Close — Range —
Q2 2013
Shares 3,100 Value ($000) $236 Avg Close — Range —