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 ▇▇▇▇ ▇▇▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇▇ Telephone: (▇▇▇) ▇▇▇-▇▇▇▇ Attention: General Counsel SCHEDULE A 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. Principal Amount of Securities Remaining Decrease in Principal Amount Increase in Principal After Such Decrease or Notation by of Securities Amount of Securities Increase Security Registrar ---------------------------- --------------------- ---------------------- ------------------ ASSIGNMENT FORM To assign this Security, fill in the form below: (I) or (we) assign and transfer this Security to ___________________________________________ ________________________________________________________________________________ (Insert assignee's social security or tax I.D. number) ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ (Print or type assignee's name, address and zip code) and irrevocably appoint ________________________________________________________ as agent to transfer this Security on the books of the Issuer. The agent may substitute another to act for him.

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 ▇▇▇▇ ▇▇▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇Suite 2400 Houston, ▇▇▇▇▇ ▇▇▇▇▇ Texas 77010 Telephone: (▇▇▇) ▇▇▇-▇▇▇▇ Attention: General Counsel SCHEDULE A 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. Principal Amount of Securities Remaining Decrease in Principal Amount Increase in Principal After Such Decrease or Notation by of Securities Amount of Securities Increase Security Registrar ---------------------------- --------------------- ---------------------- ------------------ ASSIGNMENT FORM To assign this Security, fill in the form below: (I) or (we) assign and transfer this Security to ___________________________________________ ________________________________________________________________________________ (Insert assignee's social security or tax I.D. number) ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ (Print or type assignee's name, address and zip code) and irrevocably appoint appoint_________________________________________________________ as agent to transfer this Security on the books of the Issuer. The agent may substitute another to act for him.

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 ▇▇▇▇ ▇▇▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇▇ Parkway East Houston, ▇▇▇▇▇ ▇▇▇▇▇ Texas 77032 Telephone: (▇▇▇) ▇▇▇-▇▇▇▇ Attention: General Counsel SCHEDULE A 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. Principal Amount of Securities Remaining Decrease 5 To be included in Principal Amount Increase in Principal After Such Decrease or Notation by of Securities Amount of Securities Increase Security Registrar ---------------------------- --------------------- ---------------------- ------------------ ASSIGNMENT FORM any Global Note. To assign this Security, fill in the form below: (I) or (we) assign and transfer this Security to ___________________________________________ ________________________________________________________________________________ (Insert assignee's ’s social security or tax I.D. number) ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ (Print or type assignee's ’s name, address and zip code) 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: (Sign exactly as your name appears on the face of this Security) Signature Guarantee: This assignment relates to $_____ principal amount of 4.50% Senior Notes due 2041 of Halliburton Company held 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: _______________