UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: September 28, 2017 2:00 P.M.
Form: S-4
CIK: 0001588216
Company Name: RSP Permian, Inc.
File Number: 333-220508
CIK: 0001644468
Company Name: RSP Permian, L.L.C.
File Number: 333-220508-01