GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO's Holding History (CIK: 0001007280)

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

Q2 2015
Shares 128,788 Value ($000) $384 Avg Close — Range —
Q1 2015
Shares 128,788 Value ($000) $352 Avg Close — Range —
Q4 2014
Shares 361,104 Value ($000) $1,390 Avg Close — Range —
Q3 2014
Shares 394,594 Value ($000) $2,186 Avg Close — Range —
Q2 2014
Shares 343,229 Value ($000) $2,787 Avg Close — Range —
Q1 2014
Shares 263,728 Value ($000) $1,973 Avg Close — Range —
Q4 2013
Shares 263,953 Value ($000) $1,930 Avg Close — Range —
Q3 2013
Shares 132,270 Value ($000) $938 Avg Close — Range —
Q2 2013
Shares 184,149 Value ($000) $1,107 Avg Close — Range —