GLOBAL GEOPHYSICAL SVCS INC

CUSIP: 37946S107 Class: CMN

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q1 2014
Shares 22,996 Value ($000) $3 Avg Close — Range —
Q4 2013
Shares 10,178 Value ($000) $16 Avg Close — Range —
Q3 2013
Shares 10,974 Value ($000) $30 Avg Close — Range —