10-K: Annual report
10-K: MAIN DOCUMENT
EX-21.1: LIST OF SUBSIDIARIES
EX-23.1: CONSENT OF GRANT THORNTON LLP
EX-23.2: CONSENT OF PRICEWATERHOUSECOOPERS LLP
EX-23.3: CONSENT OF NETHERLAND, SEWELL AND ASSOCIATES, INC.
EX-31.1: CERTIFICATION PURSUANT TO RULE 13A-14(A)/15D-14(A) CERTIFICATIONS SECTION 302 OF THE SARBANES-OXLY ACT OF 2002
EX-31.2: CERTIFICATION PURSUANT TO RULE 13A-14(A)/15D-14(A) CERTIFICATIONS SECTION 302 OF THE SARBANES-OXLY ACT OF 2002
EX-32.1: CERTIFICATE PURSUANT TO SECTION 18 U.S.C. PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
EX-32.2: CERTIFICATE PURSUANT TO SECTION 18 U.S.C. PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
EX-99.1: REPORT OF NETHERLAND, SEWELL & ASSOCIATES, INC.
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