GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q2 2013
Shares 31,700 Value ($000) $191 Avg Close — Range —
Q1 2011
Shares 56,100 Value ($000) $453 Avg Close — Range —
Q4 2010
Shares 33,700 Value ($000) $271 Avg Close — Range —