GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q2 2018
Shares 897,000 Value ($000) $3,095 Avg Close — Range —
Q1 2015
Shares 464,000 Value ($000) $1,267 Avg Close — Range —
Q4 2014
Shares 581,000 Value ($000) $2,237 Avg Close — Range —
Q3 2014
Shares 25,000 Value ($000) $139 Avg Close — Range —
Q2 2014
Shares 444,000 Value ($000) $3,605 Avg Close — Range —
Q1 2014
Shares 419,000 Value ($000) $3,134 Avg Close — Range —
Q4 2013
Shares 419,000 Value ($000) $3,063 Avg Close — Range —