AUXILIUM PHARMACEUTICALS INC

CUSIP: 05334D107 Class: COMMON STOCK

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

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

Q4 2014
Shares 4,915,931 Value ($000) $169,034 Avg Close — Range —
Q3 2014
Shares 4,854,631 Value ($000) $144,911 Avg Close — Range —
Q2 2014
Shares 4,854,631 Value ($000) $97,384 Avg Close — Range —
Q1 2014
Shares 4,842,031 Value ($000) $131,606 Avg Close — Range —
Q4 2013
Shares 4,883,879 Value ($000) $101,243 Avg Close — Range —
Q3 2013
Shares 4,563,520 Value ($000) $83,056 Avg Close — Range —
Q2 2013
Shares 2,847,842 Value ($000) $47,362 Avg Close — Range —