GLOBAL GEOPHYSICAL SVCS INC

CUSIP: 37946S107 Class: CMN

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q4 2013
Shares 638,337 Value ($000) $1,028 Avg Close — Range —
Q3 2013
Shares 637,388 Value ($000) $1,727 Avg Close — Range —
Q2 2013
Shares 637,241 Value ($000) $3,008 Avg Close — Range —