HALLIBURTON CO — Director's Dealing 2011

Mar 10, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HALLIBURTON CO (HAL)
CIK: 0000045012
Period of Report: 2011-03-08

Reporting Person: LESAR DAVID J (Director, Chairman, Pres. and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-08	Common Stock	S	12786	$45.57	Disposed	880936.19	Direct
2011-03-08	Common Stock	S	18556	$46.21	Disposed	862380.19	Direct
2011-03-08	Common Stock	S	17000	$45.56	Disposed	845380.19	Direct
2011-03-08	Common Stock	S	22493	$46.01	Disposed	822887.19	Direct
2011-03-08	Common Stock	M	46000	$19.31	Acquired	868887.19	Direct
2011-03-08	Common Stock	S	46000	$45.45	Disposed	822887.19	Direct
2011-03-08	Common Stock	M	133334	$22.04	Acquired	956221.19	Direct
2011-03-08	Common Stock	S	133334	$45.80	Disposed	822887.19	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-08	Option to Buy Common Stock	$19.31	M	46000	Disposed	2014-12-02	Common Stock (46000)	Direct
2011-03-08	Option to Buy Common Stock	$22.04	M	133334	Disposed	2015-03-03	Common Stock (133334)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option to Buy Common Stock	$39.19	2020-12-01	Common Stock (108000)	108000	Direct
Option to Buy Common Stock	$15.42	2018-12-02	Common Stock (174716)	174716	Direct
Option to Buy Common Stock	$29.35	2019-12-01	Common Stock (128400)	128400	Direct
Option to Buy Common Stock	$36.90	2017-12-05	Common Stock (110700)	110700	Direct
Option to Buy Common Stock	$33.17	2016-12-06	Common Stock (348699)	348699	Direct
Option to Buy Common Stock	$32.39	2015-12-07	Common Stock (180000)	180000	Direct

Footnotes

F1: The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 22, 2011.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.50 to $45.65, 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, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) 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 $46.00 to $46.65, 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, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) 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 $45.49 to $45.66, 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, 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 $46.00 to $46.03, 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, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) 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 $45.37 to $45.45, 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, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) to this Form 4.

F7: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.16 to $46.17, 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, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) to this Form 4.

F8: Options disposed of through exercise pursuant to a Rule 10b1-5 trading plan adopted by the Reporting Person on February 22, 2011.