GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q2 2015
Shares 67,800 Value ($000) $202 Avg Close — Range —
Q1 2015
Shares 67,800 Value ($000) $185 Avg Close — Range —
Q4 2014
Shares 67,800 Value ($000) $261 Avg Close — Range —
Q3 2014
Shares 91,200 Value ($000) $505 Avg Close — Range —
Q2 2014
Shares 97,900 Value ($000) $795 Avg Close — Range —
Q1 2014
Shares 193,553 Value ($000) $1,448 Avg Close — Range —
Q4 2013
Shares 111,766 Value ($000) $817 Avg Close — Range —
Q3 2013
Shares 119,521 Value ($000) $847 Avg Close — Range —
Q2 2013
Shares 67,300 Value ($000) $404 Avg Close — Range —