EX-32.1 4 dex321.htm CERTIFICATION OF CHIEF EXECUTIVE OFFICER SECTION 906 Certification of Chief Executive Officer section 906

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, T. Paul Bulmahn, Chairman and Chief Executive Officer of ATP Oil & Gas Corporation (the “Company”), do hereby certify that the Quarterly Report on Form 10-Q (the “Report”) for the quarter ended March 31, 2007, filed with the Securities Exchange Commission on the date hereof:

 

  1) fully complies with the requirements of section 13 (a) or 15 (d) of the Securities Exchange Act of 1934; and
  2) the information contained in the Report fairly represents, in all material respects, the financial condition and the results of operations of the Company.

 

   
Date: May 10, 2007     By:   /s/ T. Paul Bulmahn
      T. Paul Bulmahn
     

Chairman, Chief Executive Officer and President