GLOBAL GEOPHYSICAL SVCS INC

CUSIP: 37946S107 Class: CMN

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q3 2013
Shares 12,214 Value ($000) $33 Avg Close — Range —
Q2 2013
Shares 19,366 Value ($000) $91 Avg Close — Range —