GTE

SEC source: 0001104659-21-122737 · tm2129246-5_4seq1.xml · derivative · entry 2

Royal Ronald · CIK 0001642113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

Underlying: Common Stock · 13,824 shares

Expires 2026-10-01

SEC source: 0001104659-21-122737 · tm2129246-5_4seq1.xml · derivative · entry 1

Royal Ronald · CIK 0001642113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 965,286

Underlying: Common Stock · 55,436 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-122732 · tm2129246-1_4seq1.xml · derivative · entry 2

Dey Peter James · CIK 0001409449 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

Underlying: Common Stock · 13,824 shares

Expires 2026-10-01

SEC source: 0001104659-21-122732 · tm2129246-1_4seq1.xml · derivative · entry 1

Dey Peter James · CIK 0001409449 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 932,079

Underlying: Common Stock · 55,436 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-122743 · tm2129246-7_4seq1.xml · derivative · entry 2

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

Underlying: Common Stock · 13,824 shares

Expires 2026-10-01

SEC source: 0001104659-21-122743 · tm2129246-7_4seq1.xml · derivative · entry 1

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 965,286

Underlying: Common Stock · 55,436 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-122740 · tm2129246-6_4seq1.xml · derivative · entry 2

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

Underlying: Common Stock · 13,824 shares

Expires 2026-10-01

SEC source: 0001104659-21-122740 · tm2129246-6_4seq1.xml · derivative · entry 1

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 427,967

Underlying: Common Stock · 25,488 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-122735 · tm2129246-3_4seq1.xml · derivative · entry 1

Hodgins Robert B. · CIK 0001642212 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 848,230

Underlying: Common Stock · 49,479 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-122733 · tm2129246-2_4seq1.xml · derivative · entry 1

Hazell Evan · CIK 0001646362 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 774,268

Underlying: Common Stock · 49,609 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-117359 · tm2128049-4_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 513,161

F1 · kind: These shares were acquired on September 20, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-117355 · tm2128049-3_4seq1.xml · nonDerivative · entry 1

Trimble Rodger Derrick · CIK 0001678494 · VP, Investor Relations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 252,366

F1 · kind: These shares were acquired on September 20, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-117353 · tm2128049-2_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 317,721

F1 · kind: These shares were acquired on September 20, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-117352 · tm2128049-1_4seq1.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,767,436

F1 · kind: These shares were acquired on September 20, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-112919 · tm2126999-4_4seq1.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,761,263

F1 · kind: These shares were acquired on September 2, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-112920 · tm2126999-5_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 315,791

F1 · kind: These shares were acquired on September 2, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-112917 · tm2126999-3_4seq1.xml · nonDerivative · entry 1

Trimble Rodger Derrick · CIK 0001678494 · VP, Investor Relations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 249,279

F1 · kind: These shares were acquired on September 2, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-112908 · tm2126999-1_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 508,788

F1 · kind: These shares were acquired on September 2, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-112914 · tm2126999-2_4seq1.xml · derivative · entry 1

Redford Alison · CIK 0001881406 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,000

Underlying: Common Stock · 85,000 shares

Expires 2026-09-01

F1 · derivative.exercise_date: One-third of the stock options will vest on September 1, 2022, an additional one-third of the stock options will vest on September 1, 2023 and the remaining one-third of the stock options will vest on September 1, 2024.

SEC source: 0001104659-21-107730 · tm2125531-4_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 503,655

F1 · kind: These shares were acquired on August 19, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-107729 · tm2125531d3_4.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 313,526

F1 · kind: These shares were acquired on August 19, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-107727 · tm2125531d2_4.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,754,017

F1 · kind: These shares were acquired on August 19, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-107724 · tm2125531d1_4.xml · nonDerivative · entry 1

Trimble Rodger Derrick · CIK 0001678494 · VP, Investor Relations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 245,656

F1 · kind: These shares were acquired on August 19, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-100750 · tm2124268-4_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 311,006

F1 · kind: These shares were acquired on August 5, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-100746 · tm2124268-3_4seq1.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,745,952

F1 · kind: These shares were acquired on August 5, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-100743 · tm2124268-2_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 497,943

F1 · kind: These shares were acquired on August 5, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-100741 · tm2124268-1_4seq1.xml · nonDerivative · entry 1

Trimble Rodger Derrick · CIK 0001678494 · VP, Investor Relations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,624

F1 · kind: These shares were acquired on August 5, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-094252 · tm2122732-4_4seq1.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,739,480

F1 · kind: These shares were acquired on July 20, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-094251 · tm2122732-3_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 308,984

F1 · kind: These shares were acquired on July 20, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-094249 · tm2122732-2_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 493,359

F1 · kind: These shares were acquired on July 20, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-094246 · tm2122732-1_4seq1.xml · nonDerivative · entry 1

Trimble Rodger Derrick · CIK 0001678494 · VP, Investor Relations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 238,388

F1 · kind: These shares were acquired on July 20, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-089389 · tm2121518-4_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 307,092

F1 · kind: These shares were acquired on July 6, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-089385 · tm2121518-2_4seq1.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,733,426

F1 · kind: These shares were acquired on July 6, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-089387 · tm2121518-3_4seq1.xml · nonDerivative · entry 1

Trimble Rodger Derrick · CIK 0001678494 · VP, Investor Relations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 235,361

F1 · kind: These shares were acquired on July 6, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-089384 · tm2121518-1_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 489,071

F1 · kind: These shares were acquired on July 6, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-089051 · tm2121424d3_4.xml · derivative · entry 2

Royal Ronald · CIK 0001642113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

Underlying: Common Stock · 13,824 shares

Expires 2026-07-01

SEC source: 0001104659-21-089051 · tm2121424d3_4.xml · derivative · entry 1

Royal Ronald · CIK 0001642113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 909,850

Underlying: Common Stock · 54,864 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-089053 · tm2121424d5_4.xml · derivative · entry 2

Dey Peter James · CIK 0001409449 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

Underlying: Common Stock · 13,824 shares

Expires 2026-07-01

SEC source: 0001104659-21-089053 · tm2121424d5_4.xml · derivative · entry 1

Dey Peter James · CIK 0001409449 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 876,643

Underlying: Common Stock · 54,864 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-089054 · tm2121424d6_4.xml · derivative · entry 2

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

Underlying: Common Stock · 13,824 shares

Expires 2026-07-01

SEC source: 0001104659-21-089054 · tm2121424d6_4.xml · derivative · entry 1

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 402,479

Underlying: Common Stock · 25,225 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-089052 · tm2121424d4_4.xml · derivative · entry 1

Hodgins Robert B. · CIK 0001642212 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 798,751

Underlying: Common Stock · 48,969 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-089049 · tm2121424d2_4.xml · derivative · entry 2

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

Underlying: Common Stock · 13,824 shares

Expires 2026-07-01

SEC source: 0001104659-21-089049 · tm2121424d2_4.xml · derivative · entry 1

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 909,850

Underlying: Common Stock · 54,864 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-089046 · tm2121424d1_4.xml · derivative · entry 2

Hazell Evan · CIK 0001646362 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

Underlying: Common Stock · 13,824 shares

Expires 2026-07-01

SEC source: 0001104659-21-089046 · tm2121424d1_4.xml · derivative · entry 1

Hazell Evan · CIK 0001646362 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 724,659

Underlying: Common Stock · 44,233 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred stock units convert into common stock on a one-for-one basis.

F2 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

F2 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The deferred stock units vest in full at such time as the reporting person ceases to be a member of the Board of Directors of the Issuer.

SEC source: 0001104659-21-083474 · tm2120256-4_4seq1.xml · nonDerivative · entry 1

Ellson Ryan · CIK 0001642213 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 485,263

F1 · kind: These shares were acquired on June 21, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-083471 · tm2120256-2_4seq1.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · VP, Corporate Services

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 305,412

F1 · kind: These shares were acquired on June 21, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-083473 · tm2120256-3_4seq1.xml · nonDerivative · entry 1

Trimble Rodger Derrick · CIK 0001678494 · VP, Investor Relations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 232,673

F1 · kind: These shares were acquired on June 21, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.

SEC source: 0001104659-21-083464 · tm2120256-1_4seq1.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,728,050

F1 · kind: These shares were acquired on June 21, 2021 through the Gran Tierra Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2 · price: Purchase price of security was transacted in Canadian currency and converted to U.S. currency.