QUESTCOR PHARMACEUTICALS INC

CUSIP: 74835Y101 Class: COM

Palo Alto Investors LP's Holding History (CIK: 0001306923)

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

Q2 2014
Shares 218,995 Value ($000) $20,255 Avg Close — Range —
Q1 2014
Shares 969,495 Value ($000) $62,949 Avg Close — Range —
Q4 2013
Shares 963,995 Value ($000) $52,490 Avg Close — Range —
Q3 2013
Shares 655,997 Value ($000) $38,048 Avg Close — Range —
Q2 2013
Shares 696,297 Value ($000) $31,640 Avg Close — Range —