ASTEX PHARMACEUTICALS INC

CUSIP: 04624B103 Class: CMN

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

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

Q3 2013
Shares 166,700 Value ($000) $1,414 Avg Close — Range —
Q2 2013
Shares 316,262 Value ($000) $1,300 Avg Close — Range —