Gran Tierra Energy : Notification OF Director / PDMR Shareholding

October 4, 2019

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, 2019 in accordance with the payment of directors' fees for the fourth quarter of 2019. 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. Stock Options vest over three years 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

1. [e-mail]

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Peter Dey, Director
		Evan Hazell, Director
		Bob Hodgins, 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	Initial notification
	notification
	/Amendment

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			Deferred Stock Units
	the financial
	instrument, type			Each Deferred Stock Unit represents a contingent right to receive one share of Gran Tierra
	of instrument			Energy Inc. common stock.
	Identification			n/a
	code
b)	Nature of the			Grant of Deferred Stock Units
	transaction
c)	Price(s) and
	volume(s)			PDMR		Price(s)	Volume (s)
					Peter Dey		n/a	34,334
					Evan Hazell		n/a	27,681
					Bob Hodgins		n/a	30,645
					Ron Royal		n/a	34,334
					David Smith		n/a	15,786
					Sondra Scott		n/a	37,177
					Brooke Wade		n/a	34,334

d)	Aggregated
	information		Price(s)		Volume (s)
	- Aggregated
	volume		n/a		214,291
	- Price
e)	Date of the		1 October 2019
	transaction
f)	Place of the		Outside a trading venue
	transaction
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	Stock Options
	the financial
	instrument, type	Each Stock Option represents a right to purchase one share of Gran Tierra Energy Inc.
	of instrument	common stock at the stated exercise price
	Identification	n/a
	code
b)	Nature of the		Grant of Stock Options
	transaction
c)	Price(s) and
	volume(s)		PDMR		Price(s)	Volume (s)
			Peter Dey		USD 1.17	10,875
			Evan Hazell		USD 1.17	10,875
			Ron Royal		USD 1.17	10,875
			David Smith		USD 1.17	10,875
			Brooke Wade		USD 1.17	10,875
d)	Aggregated
	information		Price(s)		Volume (s)
	- Aggregated
	volume		USD 1.17		54,375
	- Price
e)	Date of the		1 October 2019
	transaction
f)	Place of the		Outside a trading venue
	transaction