GRAN TIERRA ENERGY INC

CUSIP: 38500T101 Class: COM

Cornerstone Investment Partners, LLC's Holding History (CIK: 0001328062)

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

Q4 2019
Shares 24,855 Value ($000) $32 Avg Close — Range —
Q3 2019
Shares 24,855 Value ($000) $31 Avg Close — Range —
Q2 2019
Shares 13,000 Value ($000) $21 Avg Close — Range —
Q1 2019
Shares 13,000 Value ($000) $30 Avg Close — Range —
Q4 2018
Shares 10,990 Value ($000) $24 Avg Close — Range —
Q3 2018
Shares 10,990 Value ($000) $42 Avg Close — Range —
Q2 2018
Shares 15,217 Value ($000) $52 Avg Close — Range —
Q1 2018
Shares 16,676 Value ($000) $47 Avg Close — Range —
Q4 2017
Shares 17,451 Value ($000) $47 Avg Close — Range —
Q3 2017
Shares 17,554 Value ($000) $40 Avg Close — Range —
Q2 2017
Shares 17,554 Value ($000) $39 Avg Close — Range —
Q1 2017
Shares 18,999 Value ($000) $50 Avg Close — Range —
Q4 2016
Shares 20,844 Value ($000) $63 Avg Close — Range —
Q1 2016
Shares 10,135 Value ($000) $25 Avg Close — Range —