PROLOR BIOTECH INC

CUSIP: 74344F106 Class: CMN

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

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

Q3 2013
Shares 565,324 Value ($000) $4,602 Avg Close — Range —
Q2 2013
Shares 41,350 Value ($000) $260 Avg Close — Range —