Common use of ECOPETROL S Clause in Contracts

ECOPETROL S. A. Refined Products’ and Crude oils National Manager Crude oils and Products Purchasing Department Mxxxx Carolina Kure Axxx Xxxxxxx 0 Xx. 00 - 00 0xx Xxxxx, Xxxxxx, X.X. Electronic Mail: mxxxx.xxxx@xxxxxxxxx.xxx.xx Phone (+57) (0) 000 0000 Fax (+57) (0) 000 0000 THE SELLER GRAN TIERRA ENERGY COLOMBIA LTD Commercial Manager Cxxxxx Xxxxxx Xxxxx / Jxxx Xxxxxx Xxxxxxxx Xxxxx 000 Xx. 0 - 00, 00xx Xxxxx, Xxxxxx, X.X. Electronic Mail: jxxxxxxxxxxx@xxxxxxxxxx.xxx and cxxxxx@xxxxxxxxxx.xxx Phone (+57) (0) 0000000 Fax (+57) (0) 000 0000 The communications sent by fax will be deemed as sent once the successful transmission message of the machine in which it is originated is received. PARTICULAR CONDITIONS AGREEMENT FOR THE SALE OF CRUDE OIL Page 9 of 12 Free English translation of Spanish language document In witness whereof the Parties sign it on the first (1st) day of the month of December of year two thousand and fourteen (2014). THE SELLER THE BUYER /s/ Axxxxxxxx Xxxxxxx Xxxxxxx /s/ Lxxx Fxxxxxxxx Xxxxxxxx Xxxxxx AXXXXXXXX XXXXXXX XXXXXXX Alternate Legal representative LXXX FXXXXXXXX XXXXXXXX XXXXXX Refined Products and Crude Oils’ National Manager /s/ Ixxx Xxxxx Gxxxxx XXXX TXXXX XXXXXX Alternate Legal representative Annex 1. Model of Certification of Application of Norms for the Prevention of LA / FT for companies obligated to adopt systems for the prevention of LA / FT. Annex 2. Certificate of shareholding, associates, shareholders, members who own more than 5% of the equity. PARTICULAR CONDITIONS AGREEMENT FOR THE SALE OF CRUDE OIL Page 10 of 12 Free English translation of Spanish language document ANNEX No. 1 CERTIFICATION OF PREVENTION OF LA / FT FOR THE COMPANIES WITH THE OBLIGATION TO ADOPT LA / FT PREVENTION SYSTEMS Mandatory only for the counterparties that because of the legal provisions have the obligation to adopt LA / FT prevention systems The purpose of this document is to certify to ECOPETROL S.A. that our entity has a SYSTEM FOR THE PREVENTION AND CONTROL OF MONEY LAUNDERING AND THE FINANCING OF TERRORISM, which fully complies with the Colombian regulations applicable. Hence, ___________________, in my capacity as legal representative of __________ ________________________ (THE ENTITY), hereby certify that:

ECOPETROL S. A. Refined Products’ and Crude oils National Manager Crude oils and Products Purchasing Department Mxxxx Carolina Kure Cxxxxxxx Xxxx Axxx Xxxxxxx 0 Xx. 00 - 00 0xx Xxxxx, Xxxxxx, X.X. Electronic Mail: mxxxx.xxxx@xxxxxxxxx.xxx.xx Phone (+57) (0) 000 0000 Fax (+57) (0) 000 0000 PARTICULAR CONDITIONS AGREEMENT FOR THE SALE OF CRUDE OIL Page 9 of 12 Free English translation of Spanish language document THE SELLER GRAN TIERRA ENERGY COLOMBIA LTD PETROLIFERA PETROLEUM (COLOMBIA) LIMITED Commercial Manager Cxxxxx Xxxxxx Xxxxx / Jxxx Xxxxxx Xxxxxxxx Xxxxx 000 Xx. 0 - 00, 00xx Xxxxx, Xxxxxx, X.X. Electronic Mail: jxxxxxxxxxxx@xxxxxxxxxx.xxx and cxxxxx@xxxxxxxxxx.xxx Phone (+57) (0) 0000000 Fax (+57) (0) 000 0000 The communications sent by fax will be deemed as sent once the successful transmission message of the machine in which it is originated is received. PARTICULAR CONDITIONS AGREEMENT FOR THE SALE OF CRUDE OIL Page 9 of 12 Free English translation of Spanish language document In witness whereof the Parties sign it on the first (1st) day of the month of December of year two thousand and fourteen (2014). THE SELLER THE BUYER /s/ Axxxxxxxx Xxxxxxx Xxxxxxx /s/ Lxxx Fxxxxxxxx Xxxxxxxx Xxxxxx AXXXXXXXX XXXXXXX XXXXXXX Alternate Legal representative LXXX FXXXXXXXX XXXXXXXX XXXXXX Refined Products and Crude Oils’ National Manager /s/ Ixxx Xxxxx Gxxxxx XXXX TXXXX XXXXXX Alternate Legal representative Annex 1. Model of Certification of Application of Norms for the Prevention of LA / FT for companies obligated to adopt systems for the prevention of LA / FT. Annex 2. Certificate of shareholding, associates, shareholders, members who own more than 5% of the equity. PARTICULAR CONDITIONS AGREEMENT FOR THE SALE OF CRUDE OIL Page 10 of 12 Free English translation of Spanish language document ANNEX No. 1 CERTIFICATION OF PREVENTION OF LA / FT FOR THE COMPANIES WITH THE OBLIGATION TO ADOPT LA / FT PREVENTION SYSTEMS Mandatory only for the counterparties that because of the legal provisions have the obligation to adopt LA / FT prevention systems The purpose of this document is to certify to ECOPETROL S.A. that our entity has a SYSTEM FOR THE PREVENTION AND CONTROL OF MONEY LAUNDERING AND THE FINANCING OF TERRORISM, which fully complies with the Colombian regulations applicable. Hence, ___________________, in my capacity as legal representative of __________ ________________________ (THE ENTITY), hereby certify that:

ECOPETROL S. A. Refined Products’ and Crude oils National Manager Crude oils and Products Purchasing Department Mxxxx Carolina Kure Axxx Gerencia de Planeación y Suministro Xxxxxxxx Xxxxxx Xxxxxx Xxxxxxx 0 Xx. 00-00 - 00 0xx XxxxxXxxx 0, Xxxxxx, Xxxxxx X.X. Electronic Mail: mxxxx.xxxx@xxxxxxxxx.xxx.xx Phone Teléfono (+57+00) (0) 0 000 0000 Fax (+57+00) (0) 0 000 0000 THE SELLER GRAN TIERRA ENERGY PETROLIFERA PETROLEUM COLOMBIA LTD Commercial Manager Cxxxxx LIMITED. Xxxxxx Xxxxxx Xxxxx / Jxxx Xxxx Xxxxxx Xxxxxxxx Gerencia Comercial Xxxxx 000 Xx. 0 - 0-00, 00xx Xxxxx, Xxxxxx, X.X. Electronic Mail: jxxxxxxxxxxx@xxxxxxxxxx.xxx and cxxxxx@xxxxxxxxxx.xxx Phone piso 17 Teléfono (+57) (0+00) 0000000 Fax (+57+00) (0) 000 0000 The communications 0000000 Communications sent by fax will shall be deemed as sent once effected after receiving the message of successful transmission message communication of the machine in which it is originated is receivedwhere its sending originates. PARTICULAR SPECIAL CONDITIONS OF THE AGREEMENT FOR THE SALE PURCHASE OF COMMODITIES (CRUDE OIL OIL) Page 9 7 of 12 8 Free English translation of Spanish language document In witness whereof of the above, the Parties sign it on the first (1st) day of the month of December of year two thousand and fourteen thirteen (20142013). THE SELLER THE BUYER /s/ Axxxxxxxx Xxxxxxxxx Xxxxxxx Xxxxxxx /s/ Lxxx Fxxxxxxxx Xxxxxx Xxxxxxxxxx Xxxxxxx XXXXXXXXX XXXXXXX XXXXXXX XXXXXX XXXXXXXXXX XXXXXXX Legal Representative Alternate Manager of Planning and Supply Xxxxxxx Xxxxxxxx Xxxxxx AXXXXXXXX XXXXXXX XXXXXXX Alternate Legal representative LXXX FXXXXXXXX XXXXXXXX XXXXXX Refined Products and Crude Oils’ National Manager /s/ Ixxx Xxxxx Gxxxxx XXXX TXXXX XXXXXX Alternate Legal representative Annex Special Proxy Exhibit 1. Model of Certification of Application of Norms LA/FT Prevention Standards for the Prevention of LA / FT for companies obligated Companies required to adopt systems for the LA/FT prevention of LA / FTsystems. Annex Exhibit 2. Certificate of shareholdingShare Ownership of Associates, associatesShareholders, shareholders, members who own Partners with more than 5% stake in the share capital. Exhibit 3. Reimbursable Expenses Procedure. Delivered on CD. Exhibit 4. Hydrocarbons Metering Manual (MMH) of ECOPETROL S.A. Delivered on CD. Exhibit 5. Volumetric Integrator User Manual of ECOPETROL S.A. Delivered on CD. Exhibit 6. Guide for the equityAdministration and Management of Contracts and/or Agreements of ECOPETROL S.A. Delivered on CD. PARTICULAR Exhibit 7. General Condition SPECIAL CONDITIONS OF THE AGREEMENT FOR THE SALE PURCHASE OF COMMODITIES (CRUDE OIL OIL) Page 10 8 of 12 8 Free English translation of Spanish language document ANNEX EXHIBIT No. 1 MODEL CERTIFICATION OF PREVENTION APPLICATION OF LA / THE LA/FT REGULATIONS FOR THE COMPANIES WITH THE OBLIGATION OBLIGED TO ADOPT LA / THE LA/FT PREVENTION SYSTEMS Mandatory only for the counterparties that because of the legal provisions have the obligation to adopt LA / ONLY OBLIGATORY FOR COUNTERPARTIES WHO BY REASON OF LEGAL REGULATIONS ARE OBLIGED TO ADOPT LA/FT prevention systems PREVENTION SYSTEMS The purpose of this document is to certify to before ECOPETROL S.A. that our entity has a SYSTEM FOR THE PREVENTION AND CONTROL OF MONEY LAUNDERING OF ASSETS AND THE FINANCING FINDING OF TERRORISM, which fully complies with applicable Colombian regulations. Therefore I, the Colombian regulations applicable. Henceundersigned, ___________________, in my capacity as of legal representative of __________ ________________________ (THE ENTITY), ) hereby certify CERTIFY that:

ECOPETROL S. A. Refined Products’ and Crude oils National Manager Crude oils and Products Purchasing Department Mxxxx Xxxxx Carolina Kure Axxx Xxxx Xxxxxxx 0 Xx. 00 - 00 0xx Xxxxx, Xxxxxx, X.X. Electronic Mail: mxxxx.xxxx@xxxxxxxxx.xxx.xx xxxxx.xxxx@xxxxxxxxx.xxx.xx Phone (+57) (0) 000 0000 Fax (+57) (0) 000 0000 THE SELLER GRAN TIERRA ENERGY COLOMBIA LTD Commercial Manager Cxxxxx Xxxxxx Xxxxxx Xxxxx / Jxxx Xxxx Xxxxxx Xxxxxxxx Xxxxx 000 Xx. 0 - 00, 00xx Xxxxx, Xxxxxx, X.X. Electronic Mail: jxxxxxxxxxxx@xxxxxxxxxx.xxx xxxxxxxxxxxx@xxxxxxxxxx.xxx and cxxxxx@xxxxxxxxxx.xxx xxxxxx@xxxxxxxxxx.xxx Phone (+57) (0) 0000000 Fax (+57) (0) 000 0000 The communications sent by fax will be deemed as sent once the successful transmission message of the machine in which it is originated is received. PARTICULAR CONDITIONS AGREEMENT FOR THE SALE OF CRUDE OIL Page 9 of 12 Free English translation of Spanish language document In witness whereof the Parties sign it on the first (1st) day of the month of December of year two thousand and fourteen (2014). THE SELLER THE BUYER /s/ Axxxxxxxx Xxxxxxxxx Xxxxxxx Xxxxxxx /s/ Lxxx Fxxxxxxxx Xxxx Xxxxxxxxx Xxxxxxxx Xxxxxx AXXXXXXXX XXXXXXXXX XXXXXXX XXXXXXX Alternate Legal representative LXXX FXXXXXXXX XXXX XXXXXXXXX XXXXXXXX XXXXXX Refined Products and Crude Oils’ National Manager /s/ Ixxx Xxxx Xxxxx Gxxxxx Xxxxxx XXXX TXXXX XXXXX XXXXXX Alternate Legal representative Annex 1. Model of Certification of Application of Norms for the Prevention of LA / FT for companies obligated to adopt systems for the prevention of LA / FT. Annex 2. Certificate of shareholding, associates, shareholders, members who own more than 5% of the equity. PARTICULAR CONDITIONS AGREEMENT FOR THE SALE OF CRUDE OIL Page 10 of 12 Free English translation of Spanish language document ANNEX No. 1 CERTIFICATION OF PREVENTION OF LA / FT FOR THE COMPANIES WITH THE OBLIGATION TO ADOPT LA / FT PREVENTION SYSTEMS Mandatory only for the counterparties that because of the legal provisions have the obligation to adopt LA / FT prevention systems The purpose of this document is to certify to ECOPETROL S.A. that our entity has a SYSTEM FOR THE PREVENTION AND CONTROL OF MONEY LAUNDERING AND THE FINANCING OF TERRORISM, which fully complies with the Colombian regulations applicable. Hence, ___________________, in my capacity as legal representative of __________ ________________________ (THE ENTITY), hereby certify that:

ECOPETROL S. A. Refined Products’ and Crude oils National Manager Crude oils and Products Purchasing Department Mxxxx Carolina Kure Axxx Gerencia de Planeación y Suministro Xxxxxxxx Xxxxxx Xxxxxx Xxxxxxx 0 Xx. 00-00 - 00 0xx XxxxxXxxx 0, Xxxxxx, Xxxxxx X.X. Electronic Mail: mxxxx.xxxx@xxxxxxxxx.xxx.xx Phone Telephone (+57+00) (0) 0 000 0000 Fax (+57+00) (0) 0 000 0000 THE SELLER GRAN TIERRA ENERGY COLOMBIA LTD Commercial Manager Cxxxxx LTD. Xxxxxx Xxxxxx Xxxxx / Jxxx Xxxx Xxxxxx Xxxxxxxx Gerencia Comercial Xxxxx 000 Xx. 0 - 0-00, 00xx Xxxxx, Xxxxxx, X.X. Electronic Mail: jxxxxxxxxxxx@xxxxxxxxxx.xxx and cxxxxx@xxxxxxxxxx.xxx Phone piso 17 Telephone (+57) (0+00) 0000000 Fax (+57+00) (0) 000 0000 The communications 0000000 Communications sent by fax will shall be deemed as sent once effected after receiving the message of successful transmission message communication of the machine where its sending originates. In witness of the above, the Parties sign on the first (1st) of December two thousand and thirteen (2013). SELLER BUYER /s/ Xxxxxxxxx Xxxxxxx Xxxxxxx /s/ Xxxxxx Xxxxxxxxxx Xxxxxxx XXXXXXXXX XXXXXXX XXXXXXX XXXXXX XXXXXXXXXX XXXXXXX Legal Representative Alternate Manager of Planning and Supply /s/ Xxxxxxx Xxxxxxxx Xxxxxx XXXXXXX XXXXXXXX XXXXXX Special Proxy Exhibit 1. Model Certification of Application LA/FT Prevention Standards for Companies required to adopt LA/FT prevention systems. Exhibit 2. Certificate of Share Ownership of Associates, Shareholders, Partners with more than 5% stake in which it is originated is receivedthe share capital. PARTICULAR Exhibit 3. Reimbursable Expenses Procedure. Delivered on CD. Exhibit 4. Hydrocarbons Metering Manual (MMH) of ECOPETROL S.A. Delivered on CD. Exhibit 5. Volumetric Integrator User Manual of ECOPETROL S.A. Delivered on CD. Exhibit 6. Guide for the Administration and Management of Contracts and/or Agreements of ECOPETROL S.A. Delivered on CD. Exhibit 7. General Conditions SPECIAL CONDITIONS OF THE AGREEMENT FOR THE SALE PURCHASE OF COMMODITIES (CRUDE OIL OIL) Page 9 7 of 12 7 Free English translation of Spanish language document In witness whereof the Parties sign it on the first (1st) day of the month of December of year two thousand and fourteen (2014). THE SELLER THE BUYER /s/ Axxxxxxxx Xxxxxxx Xxxxxxx /s/ Lxxx Fxxxxxxxx Xxxxxxxx Xxxxxx AXXXXXXXX XXXXXXX XXXXXXX Alternate Legal representative LXXX FXXXXXXXX XXXXXXXX XXXXXX Refined Products and Crude Oils’ National Manager /s/ Ixxx Xxxxx Gxxxxx XXXX TXXXX XXXXXX Alternate Legal representative Annex 1. Model of Certification of Application of Norms for the Prevention of LA / FT for companies obligated to adopt systems for the prevention of LA / FT. Annex 2. Certificate of shareholding, associates, shareholders, members who own more than 5% of the equity. PARTICULAR CONDITIONS AGREEMENT FOR THE SALE OF CRUDE OIL Page 10 of 12 Free English translation of Spanish language document ANNEX EXHIBIT No. 1 MODEL CERTIFICATION OF PREVENTION APPLICATION OF LA / THE LA/FT REGULATIONS FOR THE COMPANIES WITH THE OBLIGATION OBLIGED TO ADOPT LA / THE LA/FT PREVENTION SYSTEMS Mandatory only for the counterparties that because of the legal provisions have the obligation to adopt LA / ONLY OBLIGATORY FOR COUNTERPARTIES WHO BY REASON OF LEGAL REGULATIONS ARE OBLIGED TO ADOPT LA/FT prevention systems PREVENTION SYSTEMS The purpose of this document is to certify to before ECOPETROL S.A. that our entity has a SYSTEM FOR THE PREVENTION AND CONTROL OF MONEY LAUNDERING OF ASSETS AND THE FINANCING FINDING OF TERRORISM, which fully complies with applicable Colombian regulations. Therefore I, the Colombian regulations applicable. Henceundersigned, ___________________, in my capacity as of legal representative of __________ ________________________ (THE ENTITY), ) hereby certify CERTIFY that: