GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

NEW YORK STATE COMMON RETIREMENT FUND's Holding History (CIK: 0000810265)

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

Q4 2014
Shares 456,125 Value ($000) $1,756 Avg Close — Range —
Q3 2014
Shares 456,125 Value ($000) $2,527 Avg Close — Range —
Q2 2014
Shares 456,125 Value ($000) $3,704 Avg Close — Range —
Q1 2014
Shares 586,750 Value ($000) $4,389 Avg Close — Range —
Q4 2013
Shares 586,750 Value ($000) $4,289 Avg Close — Range —
Q3 2013
Shares 365,225 Value ($000) $2,589 Avg Close — Range —
Q2 2013
Shares 235,675 Value ($000) $1,416 Avg Close — Range —