Exhibit 12.1
RSP Permian, Inc.
Computation of Ratio of Earnings to Fixed Charges
| | RSP Permian, Inc. | | Predecessor | |
| | Three Months | | Year Ended | | Year Ended December 31, | |
| | Ended March 31, | | December 31, | | | | | | | |
| | 2015 | | 2014(1) | | 2013 | | 2012 | | 2011 | |
Earnings: | | | | | | | | | | | |
Pre-tax income (loss) | | $ | (1,354 | ) | $ | 160,304 | | $ | 65,000 | | $ | 35,569 | | $ | 131,722 | |
Add: Loss from equity investee | | 58 | | 98 | | — | | — | | — | |
Add: Interest expense | | 9,316 | | 14,031 | | 5,216 | | 3,474 | | 3,472 | |
Add: Estimate of interest within rental expense | | 72 | | 156 | | 83 | | 79 | | 69 | |
Total earnings | | $ | 8,092 | | $ | 174,589 | | $ | 70,299 | | $ | 39,122 | | $ | 135,263 | |
| | | | | | | | | | | |
Fixed charges: | | | | | | | | | | | |
Interest expense | | $ | 9,316 | | $ | 14,031 | | $ | 5,216 | | $ | 3,474 | | $ | 3,472 | |
Estimate of interest within rental expense | | 72 | | 156 | | 83 | | 79 | | 69 | |
Total fixed charges | | $ | 9,388 | | $ | 14,187 | | $ | 5,299 | | $ | 3,553 | | $ | 3,541 | |
| | | | | | | | | | | |
Ratio of Earnings to Fixed Charges | | 0.86 | (2) | 12.31 | | 13.27 | | 11.01 | | 38.20 | |
(1) Represents RSP Permian, Inc.’s predecessor’s historical financial data for the first 22 days plus RSP Permian, Inc.’s historical financial data for the remainder of the year.
(2) Earnings in the three months ended March 31, 2015 were insufficient by $1.3 million to cover fixed charges.