GLOBAL GEOPHYSICAL SVCS INC

CUSIP: 37946S107 Class: CMN

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q1 2014
Shares 783 Value ($000) $0 Avg Close — Range —
Q4 2013
Shares 88,497 Value ($000) $88 Avg Close — Range —
Q3 2013
Shares 35,031 Value ($000) $71 Avg Close — Range —
Q2 2013
Shares 23,103 Value ($000) $109 Avg Close — Range —