UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: March 18, 2021
Accession Number: 0001104659-21-034986
Submission Type: POS AM
CIK: 0001509228
Company Name: SandRidge Mississippian Trust I
File Number: 333-184561
CIK: 0001349436
Company Name: SANDRIDGE ENERGY INC
File Number: 333-184561-01