GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

OMERS ADMINISTRATION Corp's Holding History (CIK: 0001053321)

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

Q3 2013
Shares 2,209,600 Value ($000) $15,714 Avg Close — Range —
Q2 2013
Shares 3,159,600 Value ($000) $19,228 Avg Close — Range —