GTE

SEC source: 0001144204-17-051257 · v476401_form4.xml · derivative · entry 1

Scott Sondra · CIK 0001717040 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,990

Underlying: Common Stock · 6,990 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: 0001144204-17-051241 · v476403_form4.xml · derivative · entry 1

Hodgins Robert B. · CIK 0001642212 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,899

Underlying: Common Stock · 11,403 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: 0001144204-17-051237 · v476400_form4.xml · derivative · entry 2

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,389

Underlying: Common Stock · 3,389 shares

Expires 2022-10-01

SEC source: 0001144204-17-051237 · v476400_form4.xml · derivative · entry 1

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,682

Underlying: Common Stock · 4,638 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: 0001144204-17-051235 · v476399_form4.xml · derivative · entry 2

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,389

Underlying: Common Stock · 3,389 shares

Expires 2022-10-01

SEC source: 0001144204-17-051235 · v476399_form4.xml · derivative · entry 1

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,595

Underlying: Common Stock · 14,725 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: 0001144204-17-051228 · v476397_form4.xml · derivative · entry 2

Hazell Evan · CIK 0001646362 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,389

Underlying: Common Stock · 3,389 shares

Expires 2022-10-01

SEC source: 0001144204-17-051228 · v476397_form4.xml · derivative · entry 1

Hazell Evan · CIK 0001646362 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,887

Underlying: Common Stock · 9,791 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: 0001144204-17-051151 · v476370_form4.xml · nonDerivative · entry 3

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 242,600

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.85 (CDN) to $2.90 (CDN), inclusive. The undersigned hereby undertakes to provide the Issuer, any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth herein.

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

SEC source: 0001144204-17-051151 · v476370_form4.xml · nonDerivative · entry 2

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Wade Capital Corporation

Disclosed balance after: 250,000

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

SEC source: 0001144204-17-051151 · v476370_form4.xml · nonDerivative · entry 1

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Wade Capital Corporation

Disclosed balance after: 371,300

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

SEC source: 0001144204-17-048923 · v475563_form4.xml · derivative · entry 1

Scott Sondra · CIK 0001717040 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,000

Underlying: Common Stock · 85,000 shares

Expires 2022-09-18

F1 · derivative.exercise_date: This option represents a right to purchase a total of 85,000 shares of the Issuer's Common Stock, one-third of which will vest on each of September 19, 2018, September 19, 2019 and September 19, 2020.

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 27

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F29 · security: The aggregate number of shares of common stock purchased on September 12, 2017, was 327,300 shares, at a price of $2.06 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 51,034,600. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 82,200 shares purchased resulting in ownership of 14,529,590 shares; Bay II = 70,700 shares purchased resulting in ownership of 12,708,730 shares; Offshore Fund = 154,800 shares purchased resulting in ownership of 21,112,750 shares; GMT Capital = 5,400 shares purchased resulting in ownership of 763,430 shares; Claugus = 14,200 shares purchased resulting in ownership of 1,920,100 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 26

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F28 · security: The aggregate number of shares of common stock purchased on September 11, 2017, was 300,000 shares, at a price of $2.07 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 50,707,300. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 75,300 shares purchased resulting in ownership of 14,447,390 shares; Bay II = 64,800 shares purchased resulting in ownership of 12,638,030 shares; Offshore Fund = 141,800 shares purchased resulting in ownership of 20,957,950 shares; GMT Capital = 5,000 shares purchased resulting in ownership of 758,030 shares; Claugus = 13,100 shares purchased resulting in ownership of 1,905,900 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 25

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F27 · security: The aggregate number of shares of common stock purchased on September 6, 2017, was 303,600 shares, at a price of $2.11 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 50,407,300. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 76,200 shares purchased resulting in ownership of 14,372,090 shares; Bay II = 65,600 shares purchased resulting in ownership of 12,573,230 shares; Offshore Fund = 143,600 shares purchased resulting in ownership of 20,816,150 shares; GMT Capital = 5,000 shares purchased resulting in ownership of 753,030 shares; Claugus = 13,200 shares purchased resulting in ownership of 1,892,800 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 24

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F26 · security: The aggregate number of shares of common stock purchased on September 5, 2017, was 394,400 shares, at a price of $2.06 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 50,103,700. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 99,100 shares purchased resulting in ownership of 14,295,890 shares; Bay II = 85,200 shares purchased resulting in ownership of 12,507,630 shares; Offshore Fund = 186,400 shares purchased resulting in ownership of 20,672,550 shares; GMT Capital = 6,500 shares purchased resulting in ownership of 748,030 shares; Claugus = 17,200 shares purchased resulting in ownership of 1,879,600 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 23

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F25 · security: The aggregate number of shares of common stock purchased on September 1, 2017, was 347,500 shares, at a price of $2.04 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 49,709,300. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 87,200 shares purchased resulting in ownership of 14,196,790 shares; Bay II = 75,100 shares purchased resulting in ownership of 12,422,430 shares; Offshore Fund = 164,300 shares purchased resulting in ownership of 20,486,150 shares; GMT Capital = 5,800 shares purchased resulting in ownership of 741,530 shares; Claugus = 15,100 shares purchased resulting in ownership of 1,862,400 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 22

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F24 · security: The aggregate number of shares of common stock purchased on August 14, 2017, was 522,700 shares, at a price of $2.19 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 49,361,800. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 131,200 shares purchased resulting in ownership of 14,109,590 shares; Bay II = 113,000 shares purchased resulting in ownership of 12,347,330 shares; Offshore Fund = 247,200 shares purchased resulting in ownership of 20,321,850 shares; GMT Capital = 8,600 shares purchased resulting in ownership of 735,730 shares; Claugus = 22,700 shares purchased resulting in ownership of 1,847,300 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001144204-17-040341 · v472341_form4.xml · derivative · entry 3

Coral Adrian · CIK 0001615226 · President, GTE Colombia, Ltd.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,234 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F2 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on August 1, 2015, August 1, 2016 and August 1, 2017.

F2 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on August 1, 2015, August 1, 2016 and August 1, 2017.

SEC source: 0001144204-17-040341 · v472341_form4.xml · nonDerivative · entry 2

Coral Adrian · CIK 0001615226 · President, GTE Colombia, Ltd.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001144204-17-040341 · v472341_form4.xml · nonDerivative · entry 1

Coral Adrian · CIK 0001615226 · President, GTE Colombia, Ltd.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,234

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

SEC source: 0001144204-17-035693 · v470350_form4.xml · derivative · entry 2

Royal Ronald · CIK 0001642113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,312

Underlying: Common Stock · 3,312 shares

Expires 2022-07-01

SEC source: 0001144204-17-035693 · v470350_form4.xml · derivative · entry 1

Royal Ronald · CIK 0001642113 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,870

Underlying: Common Stock · 14,422 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: 0001144204-17-035688 · v470345_form4.xml · derivative · entry 2

Dey Peter James · CIK 0001409449 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,312

Underlying: Common Stock · 3,312 shares

Expires 2022-07-01

SEC source: 0001144204-17-035688 · v470345_form4.xml · derivative · entry 1

Dey Peter James · CIK 0001409449 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,710

Underlying: Common Stock · 13,133 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: 0001144204-17-035695 · v470352_form4.xml · derivative · entry 2

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,312

Underlying: Common Stock · 3,312 shares

Expires 2022-07-01

SEC source: 0001144204-17-035695 · v470352_form4.xml · derivative · entry 1

Wade Brooke N. · CIK 0001646479 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,870

Underlying: Common Stock · 14,422 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: 0001144204-17-035694 · v470351_form4.xml · derivative · entry 2

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,312

Underlying: Common Stock · 3,312 shares

Expires 2022-07-01

SEC source: 0001144204-17-035694 · v470351_form4.xml · derivative · entry 1

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,044

Underlying: Common Stock · 4,542 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: 0001144204-17-035691 · v470348_form4.xml · derivative · entry 1

Hodgins Robert B. · CIK 0001642212 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,496

Underlying: Common Stock · 11,168 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: 0001144204-17-035690 · v470347_form4.xml · derivative · entry 2

Hazell Evan · CIK 0001646362 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,312

Underlying: Common Stock · 3,312 shares

Expires 2022-07-01

SEC source: 0001144204-17-035690 · v470347_form4.xml · derivative · entry 1

Hazell Evan · CIK 0001646362 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,096

Underlying: Common Stock · 9,589 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: 0001144204-17-033609 · v469471_form4.xml · nonDerivative · entry 2

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 122,500

SEC source: 0001144204-17-033609 · v469471_form4.xml · nonDerivative · entry 1

Smith David P · CIK 0001642280 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,000

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 21

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F23 · security: The aggregate number of shares of common stock purchased on May 31, 2017, was 46,600 shares, at a price of $2.34 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 48,839,100. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 13,900 shares purchased resulting in ownership of 13,978,390 shares; Bay II = 11,800 shares purchased resulting in ownership of 12,234,330 shares; Offshore Fund = 18,700 shares purchased resulting in ownership of 20,074,650 shares; GMT Capital = 600 shares purchased resulting in ownership of 727,130 shares; Claugus = 1,600 shares purchased resulting in ownership of 1,824,600 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 20

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F22 · security: The aggregate number of shares of common stock purchased on May 30, 2017, was 367,900 shares, at a price of $2.35 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 48,792,500. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 109,500 shares purchased resulting in ownership of 13,964,490 shares; Bay II = 93,100 shares purchased resulting in ownership of 12,222,530 shares; Offshore Fund = 147,500 shares purchased resulting in ownership of 20,055,950 shares; GMT Capital = 4,900 shares purchased resulting in ownership of 726,530 shares; Claugus = 12,900 shares purchased resulting in ownership of 1,823,000 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 19

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F21 · security: The aggregate number of shares of common stock purchased on May 23, 2017, was 414,500 shares, at a price of $2.54 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 48,424,600. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 123,400 shares purchased resulting in ownership of 13,854,990 shares; Bay II = 104,900 shares purchased resulting in ownership of 12,129,430 shares; Offshore Fund = 166,200 shares purchased resulting in ownership of 19,908,450 shares; GMT Capital = 5,500 shares purchased resulting in ownership of 721,630 shares; Claugus = 14,500 shares purchased resulting in ownership of 1,810,100 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001106191-19-000022 · primary_doc.xml · nonDerivative · entry 18

GMT CAPITAL CORP · CIK 0001106191 · 10% owner

BAY RESOURCE PARTNERS LP · CIK 0000899037 · 10% owner

BAY II RESOURCE PARTNERS LP · CIK 0001161416 · 10% owner

BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P. · CIK 0001733113 · 10% owner

CLAUGUS THOMAS E · CIK 0001075617 · 10% owner

GMT Exploration Co LLC · CIK 0001396794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,675,186

F1 · security: This Form 5 is being jointly filed by Bay Resource Partners, L.P. (Bay), a Delaware limited partnership, Bay II Resource Partners, L.P. (Bay II), a Delaware limited partnership, Bay Resource Partners Offshore Master Fund, L.P. (Bay Offshore), an exempted limited partnership organized under the laws of the Cayman Islands, GMT Exploration Company LLC (GMT Exploration), a Delaware limited liability company, GMT Capital Corp., a Georgia corporation (GMT Capital) on behalf of certain sub-advised accounts managed by it, and Thomas E. Claugus (Claugus), a United States citizen. The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons. Bay, Bay II, Bay Offshore, and Claugus, each have the same address as the designated filer in Item 1 of this Form 5. GMT Exploration's address is 1560 Broadway, Suite 2000, Denver, Colorado 80202.

F2 · security: GMT Capital is the general partner of Bay and Bay II and has the power to direct the affairs of Bay and Bay II, including voting and disposition of shares. As the discretionary investment manager of Bay Offshore, GMT Capital has power to direct voting and disposition of shares held by Bay Offshore and certain sub-advised accounts it manages. Claugus is the President of GMT Capital and in that capacity, directs the operations of each of Bay and Bay II and voting and disposition of shares held by Bay Offshore and certain sub-advised accounts. GMT Capital is also the non-discretionary manager of GMT Exploration through a separately managed account relationship. In addition, Claugus owns a substantial interest in GMT Exploration. GMT Capital and Claugus may be deemed to beneficially own indirect pecuniary interest as the result of performance-based fees and profit allocations. Each of GMT Capital and Claugus disclaims such beneficial ownership except to the extent ultimately realized.

F20 · security: The aggregate number of shares of common stock purchased on May 15, 2017, was 518,100 shares, at a price of $2.55 per share, resulting in an aggregate number of shares owned by the Reporting Persons of 48,010,100. Such shares were purchased, and thereafter beneficially owned by the Reporting Persons in the following amounts: Bay = 154,200 shares purchased resulting in ownership of 13,731,590 shares; Bay II = 131,100 shares purchased resulting in ownership of 12,024,530 shares; Offshore Fund = 207,800 shares purchased resulting in ownership of 19,742,250 shares; GMT Capital = 6,900 shares purchased resulting in ownership of 716,130 shares; Claugus = 18,100 shares purchased resulting in ownership of 1,795,600 shares; GMT Exploration = 0 shares purchased resulting in ownership of 0 shares.

SEC source: 0001144204-17-027730 · v467136_4.xml · derivative · entry 3

Johnson Alan Martin · CIK 0001642416 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,667

Underlying: Common Stock · 6,667 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F2 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on May 12, 2016, May 12, 2017 and May 12, 2018.

F2 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on May 12, 2016, May 12, 2017 and May 12, 2018.

SEC source: 0001144204-17-027730 · v467136_4.xml · nonDerivative · entry 2

Johnson Alan Martin · CIK 0001642416 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,200

SEC source: 0001144204-17-027730 · v467136_4.xml · nonDerivative · entry 1

Johnson Alan Martin · CIK 0001642416 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,867

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

SEC source: 0001144204-17-027736 · v467143_4.xml · derivative · entry 4

Evans Jim · CIK 0001642276 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,667

Underlying: Common Stock · 6,667 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F2 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on May 12, 2016, May 12, 2017 and May 12, 2018.

F2 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on May 12, 2016, May 12, 2017 and May 12, 2018.

SEC source: 0001144204-17-027736 · v467143_4.xml · nonDerivative · entry 2

Evans Jim · CIK 0001642276 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 190,405

SEC source: 0001144204-17-027736 · v467143_4.xml · nonDerivative · entry 1

Evans Jim · CIK 0001642276 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,072

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

SEC source: 0001144204-17-027735 · v467142_4.xml · derivative · entry 3

West Lawrence · CIK 0001642277 · Vice President, Exploration

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,667

Underlying: Common Stock · 6,667 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F2 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on May 12, 2016, May 12, 2017 and May 12, 2018.

F2 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on May 12, 2016, May 12, 2017 and May 12, 2018.

SEC source: 0001144204-17-027735 · v467142_4.xml · nonDerivative · entry 2

West Lawrence · CIK 0001642277 · Vice President, Exploration

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 245,030

SEC source: 0001144204-17-027735 · v467142_4.xml · nonDerivative · entry 1

West Lawrence · CIK 0001642277 · Vice President, Exploration

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 251,697

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

SEC source: 0001144204-17-027732 · v467141_4.xml · derivative · entry 3

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,667

Underlying: Common Stock · 31,667 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.

F2 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on May 12, 2016, May 12, 2017 and May 12, 2018.

F2 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Gran Tierra Energy Inc. common stock. The restricted stock units vest in three equal installments on May 12, 2016, May 12, 2017 and May 12, 2018.

SEC source: 0001144204-17-027732 · v467141_4.xml · nonDerivative · entry 2

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,527,000

SEC source: 0001144204-17-027732 · v467141_4.xml · nonDerivative · entry 1

Guidry Gary · CIK 0001642424 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,558,667

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects vesting of shares subject to a restricted stock unit previously reported for which settlement was solely in cash.