UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: June 24, 2020 9:00 A.M.
Form: S-3
CIK: 0001071993
Company Name: CONTANGO OIL & GAS CO
File Number: 333-238209
CIK: 0001811722
Company Name: Contango Resources, Inc.
File Number: 333-238209-12
CIK: 0001596386
Company Name: CONTANGO VENTURE CAPITAL CORP
File Number: 333-238209-11
CIK: 0001596239
Company Name: CONTANGO ALTA INVESTMENTS, INC.
File Number: 333-238209-10
CIK: 0001596378
Company Name: CONTARO CO
File Number: 333-238209-09
CIK: 0001596376
Company Name: CONTERRA CO
File Number: 333-238209-08
CIK: 0001596470
Company Name: CONTANGO MINING Co
File Number: 333-238209-07
CIK: 0001596374
Company Name: CONTANGO OPERATORS, INC
File Number: 333-238209-06
CIK: 0001642326
Company Name: CONTANGO ROCKY MOUNTAIN INC
File Number: 333-238209-05
CIK: 0001436080
Company Name: Contango Energy CO
File Number: 333-238209-04
CIK: 0001550972
Company Name: CRIMSON EXPLORATION OPERATING, INC.
File Number: 333-238209-03
CIK: 0000813779
Company Name: CRIMSON EXPLORATION INC.
File Number: 333-238209-02
CIK: 0001811723
Company Name: Contango Midstream Co
File Number: 333-238209-01