GLOBAL GEOPHYSICAL SVCS INC

CUSIP: 37946S107 Class: CMN

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q1 2014
Shares 27,655 Value ($000) $3 Avg Close — Range —
Q4 2013
Shares 33,805 Value ($000) $54 Avg Close — Range —
Q3 2013
Shares 35,705 Value ($000) $97 Avg Close — Range —
Q2 2013
Shares 35,610 Value ($000) $168 Avg Close — Range —