GRAN TIERRA ENERGY INC.

Director's Dealing • Nov 4, 2025

National Storage Mechanism | Additional information

RNS Number : 1907G

Gran Tierra Energy Inc.

04 November 2025

November 5, 2025

Gran Tierra Energy Inc.

(the "Company")

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

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

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

Phillip Abraham

Executive Vice President, Legal and Land and Corporate Secretary

(403) 265-3221

[email protected]

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Gary Guidry, President and Chief Executive Officer

Sebastien Morin, Chief Operating Officer

Jim Evans, Executive Vice President, Corporate Services

Phillip Abraham, Executive Vice President, Legal and Land

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

Common Shares

Identification code

ISIN:  US38500T2006

b)

Nature of the transaction

Acquisition of Common Shares through the Company's Employee Share Savings Plan

c)

Price(s) and volume(s)

PDMR	Price(s)	Volume (s)
Gary Guidry Sebastien Morin Jim Evans Phillip Abraham	USD 3.39 USD 3.39 USD 3.39 USD 3.39	1,225 875 394 700

d)

Aggregated information

- Aggregated volume

- Price

Price(s)	Volume (s)
USD 3.39	3,894

e)

Date of the transaction

November 3, 2025

f)

Place of the transaction

Toronto Stock Exchange (TSX)      

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