GLOBAL GEOPHYSICAL SVCS INC

CUSIP: 37946S107 Class: CMN

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q1 2014
Shares 216,884 Value ($000) $26 Avg Close — Range —
Q4 2013
Shares 311,289 Value ($000) $501 Avg Close — Range —
Q3 2013
Shares 312,236 Value ($000) $846 Avg Close — Range —
Q2 2013
Shares 293,678 Value ($000) $1,386 Avg Close — Range —