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Form10-K

Report Period2020-12-31

Date Filed2021-03-05

Time Filed16:35:14

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Exhibits

FORM 10-K
PDF OF FORM 10-K
EXHIBIT 10(F)
EXHIBIT 10(G)
EXHIBIT 10(H)
EXHIBIT 21 LIST OF SUBSIDIARIES
EXHIBIT 23(A) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
EXHIBIT 23(B) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
EXHIBIT 23(C) CONSENT OF DEGOLYER AND MACNAUGHTON
EXHIBIT 31(A) CEO CERTIFICATION UNDER SECTION 302
EXHIBIT 31(B) CFO CERTIFICATION UNDER SECTION 302
EXHIBIT 32 CERTIFICATIONS UNDER SECTION 906
EXHIBIT 99 REPORT OF DEGOLYER AND MACNAUGHTON
Filing on SEC Edgar