GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

AZZAD ASSET MANAGEMENT INC /ADV's Holding History (CIK: 0001121914)

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

Q2 2011
Shares 13,308 Value ($000) $88 Avg Close — Range —
Q1 2011
Shares 12,834 Value ($000) $104 Avg Close — Range —
Q4 2010
Shares 13,692 Value ($000) $110 Avg Close — Range —