QLT INC

CUSIP: 746927102 Class: COMMON STOCK

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

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

Q1 2015
Shares 315,906 Value ($000) $1,235 Avg Close — Range —
Q4 2014
Shares 1,733,208 Value ($000) $6,950 Avg Close — Range —
Q3 2014
Shares 1,846,075 Value ($000) $8,344 Avg Close — Range —
Q2 2014
Shares 1,887,208 Value ($000) $11,663 Avg Close — Range —
Q1 2014
Shares 2,041,043 Value ($000) $11,348 Avg Close — Range —
Q4 2013
Shares 2,053,311 Value ($000) $11,437 Avg Close — Range —
Q3 2013
Shares 2,052,411 Value ($000) $9,503 Avg Close — Range —
Q2 2013
Shares 1,950,636 Value ($000) $8,563 Avg Close — Range —