GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2019
Shares 498,000 Value ($000) $642 Avg Close — Range —
Q3 2019
Shares 1,320,750 Value ($000) $1,651 Avg Close — Range —
Q2 2019
Shares 4,298,922 Value ($000) $6,835 Avg Close — Range —
Q1 2019
Shares 4,348,962 Value ($000) $9,872 Avg Close — Range —
Q4 2018
Shares 6,608,735 Value ($000) $14,341 Avg Close — Range —
Q3 2018
Shares 7,706,548 Value ($000) $29,439 Avg Close — Range —
Q2 2018
Shares 8,043,256 Value ($000) $27,749 Avg Close — Range —
Q1 2018
Shares 7,265,956 Value ($000) $20,272 Avg Close — Range —
Q4 2017
Shares 7,259,932 Value ($000) $19,602 Avg Close — Range —
Q3 2017
Shares 6,900,753 Value ($000) $15,734 Avg Close — Range —
Q2 2017
Shares 6,881,657 Value ($000) $15,415 Avg Close — Range —
Q1 2017
Shares 6,731,458 Value ($000) $17,771 Avg Close — Range —
Q4 2016
Shares 6,935,942 Value ($000) $20,947 Avg Close — Range —
Q3 2016
Shares 6,928,042 Value ($000) $20,853 Avg Close — Range —
Q2 2016
Shares 6,200,740 Value ($000) $20,959 Avg Close — Range —
Q1 2016
Shares 694,670 Value ($000) $1,716 Avg Close — Range —
Q4 2015
Shares 659,710 Value ($000) $1,432 Avg Close — Range —
Q3 2015
Shares 464,920 Value ($000) $990 Avg Close — Range —
Q2 2015
Shares 679,970 Value ($000) $2,026 Avg Close — Range —
Q1 2015
Shares 2,419,190 Value ($000) $6,609 Avg Close — Range —
Q4 2014
Shares 249,500 Value ($000) $961 Avg Close — Range —
Q3 2014
Shares 120,730 Value ($000) $669 Avg Close — Range —
Q2 2014
Shares 124,630 Value ($000) $1,012 Avg Close — Range —
Q1 2014
Shares 124,968 Value ($000) $940 Avg Close — Range —
Q4 2013
Shares 130,437 Value ($000) $953 Avg Close — Range —
Q3 2013
Shares 102,542 Value ($000) $727 Avg Close — Range —
Q2 2013
Shares 262 Value ($000) $2 Avg Close — Range —