GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

GAM Holding AG's Holding History (CIK: 0001438848)

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

Q4 2013
Shares 136,500 Value ($000) $998 Avg Close — Range —
Q3 2013
Shares 36,500 Value ($000) $260 Avg Close — Range —
Q2 2013
Shares 156,500 Value ($000) $952 Avg Close — Range —