QLT INC

CUSIP: 746927102 Class: COMMON STOCK

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2015
Shares 129,165 Value ($000) $344 Avg Close — Range —
Q2 2015
Shares 124,758 Value ($000) $515 Avg Close — Range —
Q4 2014
Shares 1,750 Value ($000) $7 Avg Close — Range —
Q3 2013
Shares 3,958 Value ($000) $18 Avg Close — Range —
Q2 2013
Shares 3,258 Value ($000) $14 Avg Close — Range —