GLOBAL GEOPHYSICAL SVCS INC

CUSIP: 37946S107 Class: CMN

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q2 2014
Shares 31,900 Value ($000) $1 Avg Close — Range —
Q1 2014
Shares 31,900 Value ($000) $3 Avg Close — Range —
Q4 2013
Shares 200,800 Value ($000) $315 Avg Close — Range —
Q3 2013
Shares 201,500 Value ($000) $546 Avg Close — Range —
Q2 2013
Shares 201,500 Value ($000) $951 Avg Close — Range —