HALLIBURTON CO — Director's Dealing 2011

Feb 28, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HALLIBURTON CO (HAL)
CIK: 0000045012
Period of Report: 2011-02-25

Reporting Person: Nunez Craig W (Senior Vice Pres. & Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-25	Common Stock	S	14905	$46.19	Disposed	21060	Direct
2011-02-25	Common Stock	M	6000	$39.48	Acquired	27060	Direct
2011-02-25	Common Stock	S	6000	$46.07	Disposed	21060	Direct
2011-02-25	Common Stock	M	6700	$33.17	Acquired	27760	Direct
2011-02-25	Common Stock	S	6700	$46.03	Disposed	21060	Direct
2011-02-25	Common Stock	M	5000	$36.90	Acquired	26060	Direct
2011-02-25	Common Stock	S	5000	$46.15	Disposed	21060	Direct
2011-02-25	Common Stock	M	6667	$15.42	Acquired	27727	Direct
2011-02-25	Common Stock	S	6667	$46.10	Disposed	21060	Direct
2011-02-25	Common Stock	M	2434	$29.35	Acquired	23494	Direct
2011-02-25	Common Stock	S	2434	$46.10	Disposed	21060	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-25	Option to Buy Common Stock	$39.48	M	6000	Disposed	2016-02-01	Common Stock (6000)	Direct
2011-02-25	Option to Buy Common Stock	$33.17	M	6700	Disposed	2016-12-06	Common Stock (6700)	Direct
2011-02-25	Option to Buy Common Stock	$36.90	M	5000	Disposed	2017-12-05	Common Stock (5000)	Direct
2011-02-25	Option to Buy Common Stock	$15.42	M	6667	Disposed	2018-12-02	Common Stock (6667)	Direct
2011-02-25	Option to Buy Common Stock	$29.35	M	2434	Disposed	2019-12-01	Common Stock (2434)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option to Buy Common Stock	$39.19	2020-12-01	Common Stock (5300)	5300	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.16 to $46.21, inclusive. The Reporting Person undertakes to provide to Halliburton Company, any security holder of Halliburton Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.04 to $46.10, inclusive. The Reporting Person undertakes to provide to Halliburton Company, any security holder of Halliburton Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.01 to $46.06, inclusive. The Reporting Person undertakes to provide to Halliburton Company, any security holder of Halliburton Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (3) to this Form 4.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.15 to $46.16, inclusive. The Reporting Person undertakes to provide to Halliburton Company, any security holder of Halliburton Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) to this Form 4.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.08 to $46.11, inclusive. The Reporting Person undertakes to provide to Halliburton Company, any security holder of Halliburton Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (5) to this Form 4.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.091 to $46.11, inclusive. The Reporting Person undertakes to provide to Halliburton Company, any security holder of Halliburton Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (6) to this Form 4.