Halliburton 2011 Annual Report Download - page 143

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128
* 24.1 Powers of attorney for the following directors signed in February 2012:
Alan M. Bennett
James R. Boyd
Milton Carroll
Nance K. Dicciani
Murry S. Gerber
S. Malcolm Gillis
Abdallah S. Jum’ ah
Robert A. Malone
J. Landis Martin
Debra L. Reed
* 31.1 Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of
2002.
* 31.2 Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of
2002.
** 32.1 Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of
2002.
** 32.2 Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of
2002.
* 95 Mine Safety Disclosures.
* 101.INS XBRL Instance Document
* 101.SCH XBRL Taxonomy Extension Schema Document
* 101.CAL XBRL Taxonomy Extension Calculation Linkbase Document
* 101.LAB XBRL Taxonomy Extension Label Linkbase Document
* 101.PRE XBRL Taxonomy Extension Presentation Linkbase Document
* 101.DEF XBRL Taxonomy Extension Definition Linkbase Document
* Filed with this Form 10-K.
** Furnished with this Form 10-K.