GRAN TIERRA ENERGY INC. | Business Contracts

Deed of Amendment and Restatement to Credit Agreement dated February 20, 2023 by and among Gran Tierra Energy Inc (Filed With SEC on February 22, 2023)

Credit Facility, dated August 18, 2022, between Gran Tierra Energy Inc., Gran Tierra Energy Colombia, LLC, Gran Tierra Colombia Inc. and Trafigura PTE Ltd (Filed With SEC on August 23, 2022)

Sixteenth Amendment to Credit Agreement, dated as of December 21, 2021, by and among Gran Tierra Energy Inc., Gran Tierra Energy International Holdings Ltd., the Bank of Nova... (Filed With SEC on February 23, 2022)

Amended and Restated 2007 Equity Incentive Plan (Filed With SEC on August 4, 2021)

Fifteenth Amendment to Credit Agreement, dated as of December 7, 2020, by and among Gran Tierra Energy Inc., Gran Tierra Energy International Holdings Ltd., the Bank of Nova... (Filed With SEC on February 25, 2021)

Fourteenth Amendment to Credit Agreement, dated (Filed With SEC on August 5, 2020)

Description of securities (Filed With SEC on February 27, 2020)

Thirteenth Amendment to Credit Agreement, dated and effective as of December 10, 2019, by and among Gran Tierra Energy International Holdings Ltd., Gran Tierra Energy Inc., The... (Filed With SEC on December 11, 2019)

Executive Employment Agreement, dated October 18, 2019, between Gran Tierra Energy Canada ULC and Gran Tierra Energy Inc. and Remi Anthony Berthelet (Filed With SEC on November 6, 2019)

First Supplemental Indenture related to 6.25% Senior Notes due 2025, dated as of July 23, 2019, among Gran Tierra Energy Inc., the guarantors named therein, and U.S. Bank National... (Filed With SEC on August 8, 2019)

First Supplemental Indenture related to 7.750% Senior Notes due 2027, dated as of July 23, 2019, among Gran Tierra Energy Inc., the guarantors named therein, and U.S. Bank... (Filed With SEC on August 8, 2019)

Purchase Agreement, dated May 20, 2019, by and among Gran Tierra Energy Inc., the guarantors named therein, and BofA Securities, Inc. and Credit Suisse Securities (USA) LLC, as... (Filed With SEC on May 23, 2019)

Indenture related to the 7.750% Senior Notes due 2027, dated as of May 23, 2019, among Gran Tierra Energy Inc., the guarantors named therein, and U.S. Bank National Association (Filed With SEC on May 23, 2019)

Twelfth Amendment to Credit Agreement, dated and effective as of May 14, 2019, by and among Gran Tierra Energy International Holdings Ltd., Gran Tierra Energy Inc., The Bank of... (Filed With SEC on May 15, 2019)

Sale and Purchase Agreement for all of the issued share capital of Vetra Southeast S.L.U., dated February 20, 2019 (Filed With SEC on February 25, 2019)

Sale and Purchase Agreement for PUT-8, dated February 20, 2019 (Filed With SEC on February 25, 2019)

Sale and Purchase Agreement for LLA-5, dated February 20, 2019 (Filed With SEC on February 25, 2019)

Sale and Purchase Agreement for Suroriente, dated February 20, 2019 (Filed With SEC on February 25, 2019)

Eleventh Amendment to Credit Agreement, dated and effective as of December 20, 2018, by and among Gran Tierra Energy International Holdings Ltd., Gran Tierra Energy Inc., The Bank... (Filed With SEC on December 21, 2018)

Tenth Amendment to Credit Agreement, dated as of May 25, 2018, by and among Gran Tierra Energy Inc., Gran Tierra Energy International Holdings Ltd., the Bank of Nova Scotia and... (Filed With SEC on August 2, 2018)

Transaction Agreement, dated July 18, 2018, between Adrian Coral Pantoja and James Evans, as legal representative of Gran Tierra Energy Colombia Ltd (Filed With SEC on July 23, 2018)

Amendment #5, dated October 26, 2017, to the Share and Loan Purchase Agreement dated February 5, 2017 between Gran Tierra Energy International Holdings Ltd., Gran Tierra... (Filed With SEC on February 27, 2018)

Amendment #6, dated November 8, 2017, to the Share and Loan Purchase Agreement dated February 5, 2017 between Gran Tierra Energy International Holdings Ltd., Gran Tierra... (Filed With SEC on February 27, 2018)

Amendment #7, dated November 17, 2017, to the Share and Loan Purchase Agreement dated February 5, 2017 between Gran Tierra Energy International Holdings Ltd., Gran Tierra... (Filed With SEC on February 27, 2018)

Indenture related to the 6.25% Senior Notes due 2025, dated as of February 15, 2018, among Gran Tierra Energy International Holdings Ltd., the Guarantors named therein, and U.S.... (Filed With SEC on February 16, 2018)

Purchase Agreement, dated February 8, 2018, by and among Gran Tierra Energy International Holdings Ltd., Gran Tierra Energy Inc. and the subsidiary guarantors named therein, and... (Filed With SEC on February 9, 2018)

Amendment #4, dated August 31, 2017, to the Share and Loan Purchase Agreement dated February 5, 2017 between Gran Tierra Energy International Holdings Ltd., Gran Tierra Luxembourg... (Filed With SEC on November 2, 2017)

Eighth Amendment to Credit Agreement, dated September 18, 2017 and effective as of September 18, 2017, by and among Gran Tierra Energy International Holdings Ltd., Gran Tierra... (Filed With SEC on September 21, 2017)

SEVENTH AMENDMENT TO CREDIT AGREEMENT (Filed With SEC on August 4, 2017)

SHAREAND LOAN PURCHASE AGREEMENT (Filed With SEC on July 6, 2017)

(remainder of pageleft intentionally blank – signature page follows) (Filed With SEC on July 6, 2017)

SIXTH AMENDMENT TO CREDITAGREEMENT (Filed With SEC on May 19, 2017)

THIRD AMENDMENT TO CREDIT AGREEMENT (Filed With SEC on March 1, 2017)

FOURTH AMENDMENT TO CREDIT AGREEMENT (Filed With SEC on March 1, 2017)

FIFTH AMENDMENT TO CREDITAGREEMENT (Filed With SEC on February 15, 2017)

43,335,000Shares GRAN TIERRAENERGY INC. Common Stock UNDERWRITINGAGREEMENT (Filed With SEC on November 28, 2016)

PLAN OF CONVERSION OF GRAN TIERRA ENERGY INC., A NEVADA CORPORATION, INTO GRAN TIERRA ENERGY INC., A DELAWARE CORPORATION (Filed With SEC on November 4, 2016)

EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on August 8, 2016)

SUBSCRIPTION RECEIPT AGREEMENT GRAN TIERRA ENERGY INC. - and - COMPUTERSHARE TRUSTCOMPANY OF CANADA Providing for the Issue of SubscriptionReceipts of Gran Tierra Energy Inc. Made... (Filed With SEC on July 14, 2016)

REGISTRATION RIGHTS AGREEMENT (Filed With SEC on July 14, 2016)

GRANTIERRA Energy INTERNATIONAL Holdings Ltd. as Purchaser and TRIBECA OIL & GAS INC. MACQUARIE BANK LIMITED RORICK VENTURES GROUP INC. as Vendors and PETROLATINA ENERGY LIMITED... (Filed With SEC on July 7, 2016)

SECOND AMENDMENT TO CREDIT AGREEMENT (Filed With SEC on June 3, 2016)

Gran Tierra Energy Inc. 2007 Equity Incentive Plan Performance Stock Unit Award Agreement (Filed With SEC on May 4, 2016)

Gran Tierra Energy Inc. On-Line Performance Stock Unit Grant Notice (2007 Equity Incentive Plan) (Filed With SEC on May 4, 2016)

This exhibit is a corrected version of the agreement that was previously filed as Exhibit 10.3 to the Quarterly Report on Form 10-Q, filed with the SEC on November 4, 2015... (Filed With SEC on May 4, 2016)

SEVERANCE AGREEMENT AND RELEASE (Filed With SEC on May 4, 2016)

GRAN TIERRA ENERGY INC. AND U.S. BANK NATIONAL ASSOCIATION, as Trustee INDENTURE Dated as of April 6, 2016 5.00% Convertible Senior Notes due 2021 (Filed With SEC on April 6, 2016)

GRAN TIERRA ENERGY INC. $100,000,000 5.00% Convertible Senior Notes due 2021 PURCHASE AGREEMENT (Filed With SEC on April 6, 2016)

FIRST AMENDMENT TO CREDIT AGREEMENT (Filed With SEC on April 6, 2016)

Gran Tierra Energy Inc. 2007 Equity Incentive Plan Deferred Stock Unit Award Agreement (Filed With SEC on February 29, 2016)

Gran Tierra Energy Inc. On-Line Deferred Stock Unit Grant Notice (2007 Equity Incentive Plan) (Filed With SEC on February 29, 2016)

GRAN TIERRA ENERGY INC. AND PETROAMERICA OIL CORP. ARRANGEMENT AGREEMENT November 12, 2015 (Filed With SEC on November 18, 2015)

FORM OF VOTING AND SUPPORTAGREEMENT (Filed With SEC on November 18, 2015)

EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on November 4, 2015)

AMENDMENT NO. 1 TO EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on August 5, 2015)

AMENDMENT NO. 2 TO EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on August 5, 2015)

AMENDMENT NO. 1 TO EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on August 5, 2015)

AMENDMENT NO. 2 TO EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on August 5, 2015)

AGREEMENT (Filed With SEC on August 5, 2015)

INDEMNITY AGREEMENT (Filed With SEC on August 5, 2015)

AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on May 7, 2015)

Re: Consulting Services Agreement between Gran Tierra Energy Canada ULC and Shane OLeary Contract No. CSA 14-547 dated September 11, 2014(the Contract) (Filed With SEC on March 2, 2015)

EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on March 2, 2015)

Between CENITTRANSPORTE AND LOGÍSTICA DE HIDROCARBUROS S.A.S. and GRANTIERRA ENERGY COLOMBIA LTD Bogotá,D.C., December 1st of 2014 (Filed With SEC on December 24, 2014)

Between CENITTRANSPORTE AND LOGÍSTICA DE HIDROCARBUROS S.A.S. and PETROLIFERAPETROLEUM (COLOMBIA) LIMITED Bogotá,D.C., December 1st of 2014 (Filed With SEC on December 24, 2014)

FreeEnglish translation of Spanish language document AGREEMENT No: VCM - GNR - 025 - 2014 AGREEMENT FOR THE SALE AND PURCHASE OFCOMMODITIES (CRUDE OIL) PARTICULAR CONDITIONS The... (Filed With SEC on December 15, 2014)

Free English translation of Spanish languagedocument AGREEMENT No: VCM - GNR - 026 - 2014 AGREEMENT FOR THE SALE AND PURCHASE OFCOMMODITIES (CRUDE OIL) PARTICULAR CONDITIONS The... (Filed With SEC on December 15, 2014)

WITNESSETH: (Filed With SEC on December 4, 2014)

- 1 - (Filed With SEC on November 6, 2014)

CONSIDERATIONS (Filed With SEC on November 6, 2014)

Free English translation of Spanish language document (Filed With SEC on November 6, 2014)

CONSIDERATIONS (Filed With SEC on November 6, 2014)

CONSULTING SERVICES AGREEMENT (Filed With SEC on November 6, 2014)

Free English translation of Spanish language document (Filed With SEC on November 6, 2014)

EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on August 7, 2014)

ANNEXI TERMSAND CONDITIONS OF SHARE PURCHASE AND SALE OFFER (Filed With SEC on July 1, 2014)

ANNEX I TERMS AND CONDITIONS OF SHARE PURCHASE AND SALE OFFER (Filed With SEC on July 1, 2014)

Gran Tierra Energy Canada ULC 300, 625 11th Avenue S.W. Calgary, Alberta T2R 0E1 (Filed With SEC on May 7, 2014)

Free English translation of Spanish language document (Filed With SEC on February 26, 2014)

AGREEMENT (Filed With SEC on February 26, 2014)

GRAN TIERRA ENERGY INC. RESTRICTED STOCK UNIT GRANT NOTICE (2007 EQUITY INCENTIVE PLAN) (Filed With SEC on August 7, 2013)

GRAN TIERRA ENERGY INC. OPTION GRANT NOTICE 2007 EQUITY INCENTIVE PLAN (Filed With SEC on August 7, 2013)

ADDENDUM No. 2 TO TRANSPORTATION CONTRACT No. VIT 005 2012 (Filed With SEC on May 6, 2013)

Gran Tierra Energy Brasil Ltda. (Filed With SEC on May 6, 2013)

CONSIDERATIONS AND REPRESENTATIONS (Filed With SEC on February 26, 2013)

GUNVOR COLOMBIA SAS Carrera 7 No. 83-29, Oficina 304 Bogot, Colombia Phone +57-1 - 6227978 / 6364768 (Filed With SEC on February 26, 2013)

SEVENTH AMENDMENT TO CREDIT AGREEMENT dated as of January 17, 2013 among SOLANA RESOURCES LIMITED, as Borrower, GRAN TIERRA ENERGY INC., WELLS FARGO BANK, NATIONAL ASSOCIATION, as... (Filed With SEC on February 26, 2013)

ADDENDUM No. 3 TO TRANSPORTATION CONTRACT NO. VIT 001 2012 (Filed With SEC on February 26, 2013)

ADDENDUM No. 3 TO TRANSPORTATION CONTRACT NO. VIT 005 2012 (Filed With SEC on February 26, 2013)

A R G O S Y E N E R G Y I N T E R N A T I O N A L C H A Z A CONTRACT FOR THE EXPLORATION AND EXPLOITATION OF HYDROCARBONS Effective Date: The 27th of June of 2005 (Filed With SEC on February 26, 2013)

ANH ADDENDUM NO. 1 TO THE CHAZA HYDROCARBONS EXPLORATION AND EXPLOITATION AGREEMENT (Filed With SEC on February 26, 2013)

ADDENDUM No. 2 (Filed With SEC on November 7, 2012)

ADDENDUM No. 1 TO TRANSPORT CONTRACT VIT-001-2012 (Filed With SEC on November 7, 2012)

ADDENDUM No. 1 TO TRANSPORT CONTRACT VIT-005-2012 (Filed With SEC on November 7, 2012)

SIXTH AMENDMENT TO CREDIT AGREEMENT dated as of October 9, 2012 among SOLANA RESOURCES LIMITED, as Borrower, GRAN TIERRA ENERGY INC., WELLS FARGO BANK, NATIONAL ASSOCIATION, as... (Filed With SEC on November 7, 2012)

RESIGNATION, CONSENT AND APPOINTMENT AGREEMENT AND AMENDMENT AGREEMENT (Solana Resources Limited) (Filed With SEC on August 7, 2012)

FIFTH AMENDMENT TO CREDIT AGREEMENT dated as of May 18, 2012 among SOLANA RESOURCES LIMITED, as Borrower, GRAN TIERRA ENERGY INC., WELLS FARGO BANK, NATIONAL ASSOCIATION, as... (Filed With SEC on August 7, 2012)

GRAN TIERRA ENERGY INC. 2007 EQUITY INCENTIVE PLAN ADOPTED: AUGUST 9, 2007 APPROVED BY STOCKHOLDERS: OCTOBER 10, 2007 AMENDED BY THE BOARD: DECEMBER 20, 2007 AMENDED BY THE BOARD:... (Filed With SEC on August 7, 2012)

Amendment No. 4 dated June 13, 2011 to the Colombian Participation Agreement dated June 22, 2006, between Gran Tierra Colombia Ltd and Crosby Capital, LLC (Filed With SEC on May 7, 2012)

Amendment No. 5 dated February 10, 2011 to the Colombian Participation Agreement dated June 22, 2006, between Gran Tierra Colombia Ltd and Crosby Capital, LLC (Filed With SEC on May 7, 2012)

Notice of termination of contract dated December 2, 2011 regarding the contract dated July 27, 2011, between Gran Tierra Colombia Ltd. and Ecopetrol S.A., for the Purchase and... (Filed With SEC on February 27, 2012)

Notice of termination of contract dated December 2, 2011 regarding the contract, dated July 27, 2011, between Solana Petroleum Exploration Colombia Ltd. and Ecopetrol S.A., for... (Filed With SEC on February 27, 2012)

Amendment dated December 22, 2011 to notice of termination of contract dated December 2, 2011 regarding the contract dated July 27, 2011, between Gran Tierra Colombia Ltd. and... (Filed With SEC on February 27, 2012)

Amendment dated December 22, 2011 to notice of termination of contract dated December 2, 2011 regarding the contract, dated July 27, 2011, between Solana Petroleum Exploration... (Filed With SEC on February 27, 2012)

Employment Agreement between Gran Tierra Energy Inc. and James Rozon dated as of September 10, 2007 (Filed With SEC on February 27, 2012)

Amendment dated January 30, 2012 to contract, dated July 27, 2011, between Gran Tierra Colombia Ltd and Ecopetrol S.A., for the Purchase and Sale of Crude Oil from the Chaza,... (Filed With SEC on February 27, 2012)

Amendment dated January 30, 2012 to contract, dated July 27, 2011, between Solana Petroleum Exploration Colombia Ltd. and Ecopetrol S.A., for the Purchase and Sale of Crude Oil... (Filed With SEC on February 27, 2012)

Amended and Restated 2007 Equity Incentive Plan (Filed With SEC on November 8, 2011)

Executive Employment Agreement dated July 30, 2009 between Gran Tierra Energy Inc. and Duncan Nightingale (Filed With SEC on November 8, 2011)

Expatriate Assignment Agreement to Gran Tierra Colombia Ltd., dated December 7, 2010 between Gran Tierra Energy Inc. and Duncan Nightingale (Filed With SEC on November 8, 2011)

Employment Contract dated January 31, 2011 between Gran Tierra Colombia Ltd. and Duncan Nightingale (Filed With SEC on November 8, 2011)

Amendment to Expatriate Assignment Agreement, dated October 13, 2011 between Gran Tierra Energy Inc. and Duncan Nightingale (Filed With SEC on November 8, 2011)

Addendum No. 2, entered into between Gran Tierra Colombia Ltd. and Ecopetrol S.A. on December 30, 2010, amending the Agreement between those parties dated December 17, 2009 and... (Filed With SEC on August 9, 2011)

Addendum No. 2, entered into between Solana Petroleum Exploration Colombia Ltd. and Ecopetrol S.A. on June 30, 2011, amending the Agreement between those parties dated December... (Filed With SEC on August 9, 2011)

Contract, dated July 27, 2011, between Gran Tierra Colombia Ltd. and Ecopetrol S.A., for the Purchase and Sale of Crude Oil from the Chaza, Santana and Guayuyaco Blocks (Filed With SEC on August 9, 2011)

Contract, dated July 27, 2011, between Solana Petroleum Exploration Colombia Ltd. and Ecopetrol S.A., for the Purchase and Sale of Crude Oil from the Chaza, Santana and Guayuyaco... (Filed With SEC on August 9, 2011)

GRAN TIERRA ENERGY INC. and PETROLIFERA PETROLEUM LIMITED and COMPUTERSHARE TRUST COMPANY OF CANADA (Filed With SEC on May 10, 2011)

Cash Compensation Arrangements with Executive Officers (Filed With SEC on May 10, 2011)

CONSULTING SERVICES AGREEMENT (Filed With SEC on May 10, 2011)

EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on May 10, 2011)

SECOND AMENDMENT TO CREDIT AGREEMENT dated as of November 5, 2010 among SOLANA RESOURCES LIMITED, as Borrower, GRAN TIERRA ENERGY INC., BNP PARIBAS, as Administrative Agent and... (Filed With SEC on February 25, 2011)

THIRD AMENDMENT TO CREDIT AGREEMENT dated as of January 20, 2011 among SOLANA RESOURCES LIMITED, as Borrower, GRAN TIERRA ENERGY INC., BNP PARIBAS, as Administrative Agent and... (Filed With SEC on February 25, 2011)

ADDENDUM NO.1 TO THE CONTRACT RESULTING FROM THE COMMERCIAL OFFER DATED DECEMBER 17, 2009 FOR THE PURCHASE OF CHAZA OIL (Filed With SEC on February 25, 2011)

TERMS AND CONDITIONS OF THE OFFER (Filed With SEC on February 25, 2011)

AMENDMENT NO.1 TO THE CONTRACT RESULTING FROM THE COMMERCIAL OFFER DATED DECEMBER 17, 2009 FOR THE PURCHASE OF CHAZA OIL (Filed With SEC on February 25, 2011)

ADDENDUM NO.1 TO THE CONTRACT RESULTING FROM THE COMMERCIAL OFFER DATED DECEMBER 17, 2009 FOR THE PURCHASE OF CHAZA OIL (Filed With SEC on February 25, 2011)

ARRANGEMENTAGREEMENT BETWEEN GRANTIERRA ENERGY INC. -and - PETROLIFERAPETROLEUM LIMITED January17, 2011 (Filed With SEC on January 21, 2011)

VOTINGSUPPORT AGREEMENT (Filed With SEC on January 21, 2011)

Exhibit10.2 VOTINGSUPPORT AGREEMENT (Filed With SEC on January 21, 2011)

ENGLISH TRANSLATION EXECUTEDDOCUMENT IS IN SPANISH (Filed With SEC on November 15, 2010)

FIRSTAMENDMENT TO CREDITAGREEMENT datedas of August31, 2010 among SOLANARESOURCES LIMITED, asBorrower, GRANTIERRA ENERGY INC., BNPPARIBAS, asAdministrative Agent and Global... (Filed With SEC on November 5, 2010)

EXECUTIVEEMPLOYMENT AGREEMENT (Filed With SEC on February 26, 2010)

EXECUTIVE EMPLOYMENTAGREEMENT (Filed With SEC on February 26, 2010)

EXECUTIVEEMPLOYMENT AGREEMENT (Filed With SEC on February 27, 2009)

EXECUTIVEEMPLOYMENT AGREEMENT (Filed With SEC on February 4, 2009)

AMENDMENTNO. 3 TO COLOMBIANPARTICIPATION AGREEMENT BYAND AMONG GRANTIERRA ENERGY COLOMBIA LTD., GRANTIERRA ENERGY INC. AND CROSBYCAPITAL, LLC DATED ASOF DECEMBER 31, 2008... (Filed With SEC on January 7, 2009)

AMENDMENTNO. 1 TO CREDIT AGREEMENT (Filed With SEC on January 7, 2009)

RELEASEOF PARTNERSHIP PLEDGE AGREEMENT (Filed With SEC on January 7, 2009)

RELEASEOF GP PLEDGE AGREEMENT (Filed With SEC on January 7, 2009)

PARTNERSHIP PLEDGEAGREEMENT (Filed With SEC on January 7, 2009)

GP PLEDGEAGREEMENT (Filed With SEC on January 7, 2009)

VOTING AND EXCHANGE TRUST AGREEMENT (Filed With SEC on November 17, 2008)

SUPPORT AGREEMENT (Filed With SEC on November 17, 2008)

Gran Tierra Energy Inc. 2007 Equity Incentive Plan Adopted: August 9, 2007 Approved By Stockholders: October 10, 2007 Amended by the Board: December 20, 2007 Amended by the Board:... (Filed With SEC on November 17, 2008)

COLOMBIAN PARTICIPATION AGREEMENT BY AND AMONG ARGOSY ENERGY INTERNATIONAL, GRAN TIERRA ENERGY INC. AND CROSBY CAPITAL, LLC DATED AS OF JUNE 22, 2006 TABLE OF CONTENTS (Filed With SEC on August 11, 2008)

AMENDMENT NO. 1 TO COLOMBIAN PARTICIPATION AGREEMENT (Filed With SEC on August 11, 2008)

EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on August 11, 2008)

CONSENT LETTER of GRAN TIERRA ENERGY INC. Solicitation of Consents and Waivers Relating to Registration Rights Agreements June 16, June 20 and June 30, 2006 among Gran Tierra... (Filed With SEC on August 14, 2007)

Common stock currently outstanding (Filed With SEC on May 4, 2007)

Escrow Agreement, dated as of the ___th day of June, 2006, among Gran Tierra Energy Inc. and McGuireWoods LLP, as Escrow Agent (Filed With SEC on April 16, 2007)

Entry into a Material Definitive Agreement (Filed With SEC on March 6, 2007)

EXECUTIVE EMPLOYMENT AGREEMENT (Filed With SEC on January 3, 2007)

FORM OF SECURITIES PURCHASE AGREEMENT GRAN TIERRA ENERGY INC. SECURITIES PURCHASE AGREEMENT (Filed With SEC on July 5, 2006)

FORM OF SUBSCRIPTION AGREEMENT Personal and Confidential (Filed With SEC on July 5, 2006)

FORM OF REGISTRATION RIGHTS AGREEMENT GRAN TIERRA ENERGY INC. REGISTRATION RIGHTS AGREEMENT (Filed With SEC on July 5, 2006)

GRAN TIERRA ENERGY, INC. FORM OF WARRANT TO PURCHASE COMMON STOCK (Filed With SEC on June 21, 2006)

Dated: June 20, 2006 Void After: June 20, 2011 (Filed With SEC on June 21, 2006)

GRAN TIERRA ENERGY INC. FORM OF SECURITIES PURCHASE AGREEMENT (Filed With SEC on June 21, 2006)

Personal and Confidential (Filed With SEC on June 21, 2006)

GRAN TIERRA ENERGY INC. SECURITIES PURCHASE AGREEMENT (Filed With SEC on June 21, 2006)

GRAN TIERRA ENERGY INC. REGISTRATION RIGHTS AGREEMENT (Filed With SEC on June 21, 2006)

Lock-Up Letter Gran Tierra Energy Inc. Private Placement of Common Stock (Filed With SEC on June 21, 2006)

REGISTRATION RIGHTS AGREEMENT (Filed With SEC on June 21, 2006)

SECURITIES PURCHASE AGREEMENT by and between GRAN TIERRA ENERGY INC. and CROSBY CAPITAL, LLC May 25, 2006 (Filed With SEC on June 1, 2006)

GRAN TIERRA ENERGY INC. (202)