COVANCE INC

CUSIP: 222816100 Class: COM

TEXAS PERMANENT SCHOOL FUND CORP's Holding History (CIK: 0001223779)

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

Q4 2014
Shares 50,940 Value ($000) $5,290 Avg Close — Range —
Q3 2014
Shares 51,267 Value ($000) $4,035 Avg Close — Range —
Q2 2014
Shares 58,045 Value ($000) $4,967 Avg Close — Range —
Q1 2014
Shares 57,167 Value ($000) $5,940 Avg Close — Range —
Q4 2013
Shares 59,099 Value ($000) $5,204 Avg Close — Range —
Q3 2013
Shares 59,192 Value ($000) $5,118 Avg Close — Range —
Q2 2013
Shares 62,659 Value ($000) $4,771 Avg Close — Range —
Q1 2013
Shares 61,994 Value ($000) $4,607 Avg Close — Range —