GRAN TIERRA ENERGY INC.

Share Issue/Capital Change • Oct 5, 2020

National Storage Mechanism | Additional information

RNS Number : 0238B

Gran Tierra Energy Inc.

05 October 2020

October 5, 2020

Gran Tierra Energy Inc.

(the "Company")

Notification of Transactions in the Company's Shares by Director and Persons Discharging Managerial Responsibility

The Company announces the following transactions in the Company's common shares, Deferred Stock Units and Stock Options undertaken by directors / persons discharging managerial responsibility ("PDMRs").

Deferred Stock Units ("DSUs") and Stock Options have been granted to PDMRs effective October 1, 2020 in accordance with the payment of directors' fees for the fourth quarter of 2020. Each DSU represents a contingent right to receive one share of the Company's common stock.  The DSUs vest in full on award and are paid out at such time as the director ceases to be a member of the Board of Directors of the Company.  Each Stock Option permits the holder to purchase one share of common stock of the Company at the stated exercise price. The exercise price equals the market price of a share of common stock at the time of grant. The Stock Options vest immediately and expire five years from the date of issue.

The notification set out below is provided in accordance with the requirement of Article 19 of the EU Market Abuse Regulation.

Contact Information:

Gary Guidry

President and Chief Executive Officer

Ryan Ellson

Executive Vice President and Chief Financial Officer

Rodger Trimble

Vice President, Investor Relations

(403) 265-3221

[email protected]

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Peter Dey, Director

Evan Hazell, Director

Robert Hodgins, Chairman and Director

Ron Royal, Director

David Smith, Director

Sondra Scott, Director

Brooke Wade, Director

2

Reason for the notification

a)

Position/status

See 1 a) above

b)

Initial notification /Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Gran Tierra Energy Inc.

b)

LEI

549300IH2S17MAIUCM32

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Deferred Stock Units

Each Deferred Stock Unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock.

Identification code

n/a

b)

Nature of the transaction

Grant of Deferred Stock Units

c)

Price(s) and volume(s)

PDMR	Price(s)	Volume (s)
Peter Dey Evan Hazell Robert Hodgins Ron Royal David Smith Sondra Scott Brooke Wade	n/a n/a n/a n/a n/a n/a n/a	177,395 143,020 158,333 177,395 81,562 192,083 177,395

d)

Aggregated information

- Aggregated volume

- Price

Price(s)	Volume (s)
n/a	1,107,183

e)

Date of the transaction

1 October 2020

f)

Place of the transaction

Outside a trading venue

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Stock Options

Each Stock Option represents a right to purchase one share of Gran Tierra Energy Inc. common stock at the stated exercise price

Identification code

n/a

b)

Nature of the transaction

Grant of Stock Options

c)

Price(s) and volume(s)

PDMR	Price(s)	Volume (s)
Peter Dey Evan Hazell Ron Royal David Smith Brooke Wade	USD 0.23 USD 0.23 USD 0.23 USD 0.23 USD 0.23	47,977 47,977 47,977 47,977 47,977

d)

Aggregated information

- Aggregated volume

- Price

Price(s)	Volume (s)
USD 0.23	239,885

e)

Date of the transaction

1 October 2020

f)

Place of the transaction

Outside a trading venue

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