QUESTCOR PHARMACEUTICALS INC

CUSIP: 74835Y101 Class: COM

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q2 2014
Shares 17,443 Value ($000) $1,613 Avg Close — Range —
Q1 2014
Shares 1,039,865 Value ($000) $67,518 Avg Close — Range —
Q4 2013
Shares 1,506,297 Value ($000) $82,018 Avg Close — Range —
Q3 2013
Shares 233,767 Value ($000) $13,558 Avg Close — Range —
Q2 2013
Shares 10,000 Value ($000) $454 Avg Close — Range —