Exhibit 32.1
Certification of Chief Executive Officer and Chief Financial Officer
Pursuant to 18 U.S.C. Section 1350
As Adopted Pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002
In connection with the Annual Report of Rosetta Resources Inc. (“the Company”) on Form 10-K for the period ended December 31, 2007 (“Form 10-K”), each of the undersigned officers of the Company certifies pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that to the best of such officer’s knowledge: (i) the Form 10-K fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and (ii) the information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations of Rosetta Resources Inc.
Date: February 29, 2008 | /s/ Randy L. Limbacher | |
Randy L. Limbacher | ||
President and Chief Executive Officer | ||
/s/ Michael J. Rosinski | ||
Michael J. Rosinski | ||
Executive Vice President and Chief Financial Officer |