GLOBAL GEOPHYSICAL SVCS INC

CUSIP: 37946S107 Class: CMN

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q3 2013
Shares 14,493 Value ($000) $39 Avg Close — Range —
Q2 2013
Shares 12,639 Value ($000) $60 Avg Close — Range —