Common use of ABBREVIATIONS AND DEFINITIONS Clause in Contracts

ABBREVIATIONS AND DEFINITIONS. Customary abbreviations may be used in the name of a Holder or an assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with right of survivorship and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts to Minors Act). The Issuer will furnish to any Holder upon written request and without charge a copy of the Indenture. Request may be made to: Halliburton Company 5 Houston Center ▇▇▇▇ ▇▇▇▇▇▇▇▇, Suite 2400 Houston, Texas 77010 Telephone: (▇▇▇) ▇▇▇-▇▇▇▇ Attention: General Counsel The initial aggregate principal amount of Securities evidenced by the Certificate to which this Schedule is attached is $ . The notations on the following table evidence decreases and increases in the aggregate principal amount of Securities evidenced by such Certificate. To assign this Security, fill in the form below: (I) or (we) assign and transfer this Security to and irrevocably appoint as agent to transfer this Security on the books of the Issuer. The agent may substitute another to act for him. Date: Your Signature: Signature Guarantee: This assignment relates to $___ principal amount of 5.90% Senior Notes due 2018 of Halliburton Company held in2 ___ book-entry or ___ definitive form by (the “Transferor”). The Transferor has requested the Trustee by written order to exchange or register the transfer of a Note or Notes. [INSERT NAME OF TRANSFEROR] By: Name: Title: Address: Date:

ABBREVIATIONS AND DEFINITIONS. Customary abbreviations may be used in the name of a Holder or an assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with right of survivorship and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts to Minors Act). The Issuer will furnish to any Holder upon written request and without charge a copy of the Indenture. Request may be made to: Halliburton Company 5 Houston Center ▇▇▇▇ ▇▇▇▇▇▇▇▇, Suite 2400 Houston, Texas 77010 Telephone: (▇▇▇) ▇▇▇-▇▇▇▇ Attention: General Counsel SCHEDULE I2 The initial aggregate principal amount of Securities evidenced by the Certificate to which this Schedule is attached is $ . The notations on the following table evidence decreases and increases in the aggregate principal amount of Securities evidenced by such Certificate. ▇ To be included in any Global Note. To assign this Security, fill in the form below: (I) or (we) assign and transfer this Security to and irrevocably appoint as agent to transfer this Security on the books of the Issuer. The agent may substitute another to act for him. Date: Your Signature: Signature Guarantee: This assignment relates to $___ $ principal amount of 5.906.15% Senior Notes due 2018 2019 of Halliburton Company held in2 ___ in3 book-entry or ___ definitive form by (the “Transferor”). The Transferor has requested the Trustee by written order to exchange or register the transfer of a Note or Notes. [INSERT NAME OF TRANSFEROR] By: Name: Title: Address: Date:

ABBREVIATIONS AND DEFINITIONS. Customary abbreviations may be used in the name of a Holder or an assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with right of survivorship and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts to Minors Act). The Issuer will furnish to any Holder upon written request and without charge a copy of the Indenture. Request may be made to: Halliburton Company 5 Houston Center ▇▇▇▇ ▇▇▇▇▇▇▇▇, Suite 2400 Houston, Texas 77010 Telephone: (▇▇▇) ▇▇▇-▇▇▇▇ Attention: General Counsel SCHEDULE I5 The initial aggregate principal amount of Securities evidenced by the Certificate to which this Schedule is attached is $ . The notations on the following table evidence decreases and increases in the aggregate principal amount of Securities evidenced by such Certificate. ▇ To be included in any Global Note. To assign this Security, fill in the form below: (I) or (we) assign and transfer this Security to and irrevocably appoint as agent to transfer this Security on the books of the Issuer. The agent may substitute another to act for him. Date: Your Signature: Signature Guarantee: This assignment relates to $___ $ principal amount of 5.907.45% Senior Notes due 2018 2039 of Halliburton Company held in2 ___ in6 book-entry or ___ definitive form by (the “Transferor”). The Transferor has requested the Trustee by written order to exchange or register the transfer of a Note or Notes. [INSERT NAME OF TRANSFEROR] By: Name: Title: Address: Date:

ABBREVIATIONS AND DEFINITIONS. Customary abbreviations may be used in the name of a Holder or an assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with right of survivorship and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts to Minors Act). The Issuer will furnish to any Holder upon written request and without charge a copy of the Indenture. Request may be made to: Halliburton Company 5 Houston Center ▇▇▇▇ ▇▇▇▇▇▇▇▇, Suite 2400 Houston, Texas 77010 Telephone: (▇▇▇) ▇▇▇-▇▇▇▇ Attention: General Counsel The initial aggregate principal amount of Securities evidenced by the Certificate to which this Schedule is attached is $ . The notations on the following table evidence decreases and increases in the aggregate principal amount of Securities evidenced by such Certificate. To assign this Security, fill in the form below: (I) or (we) assign and transfer this Security to and irrevocably appoint as agent to transfer this Security on the books of the Issuer. The agent may substitute another to act for him. Date: Your Signature: Signature Guarantee: This assignment relates to $___ principal amount of 5.906.70% Senior Notes due 2018 2038 of Halliburton Company held in2 in4 ___ book-entry or ___ definitive form by (the “Transferor”). The Transferor has requested the Trustee by written order to exchange or register the transfer of a Note or Notes. [INSERT NAME OF TRANSFEROR] By: Name: Title: Address: Date: