<SUBMISSION>
<PAPER>
<ACCESSION-NUMBER>9999999997-13-009883
<TYPE>ARS
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20121231
<FILING-DATE>20130523
<DATE-OF-FILING-DATE-CHANGE>20130524
<EFFECTIVENESS-DATE>20130523
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>Diamondback Energy, Inc.
<CIK>0001539838
<ASSIGNED-SIC>1311
<IRS-NUMBER>000000000
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>ARS
<ACT>34
<FILE-NUMBER>001-35700
<FILM-NUMBER>13002485
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>500 WEST TEXAS
<STREET2>SUITE 1210
<CITY>MIDLAND
<STATE>TX
<ZIP>79701
<PHONE>405-463-6900
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>14301 CALIBER DRIVE
<STREET2>SUITE 300
<CITY>OKLAHOMA CITY
<STATE>OK
<ZIP>73134
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>ARS
<SEQUENCE>1
<FILENAME>9999999997-13-009883.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
<TEXT>
This document was generated as part of a paper submission.
Please reference the Document Control Number 13002485 for access to the original document.
</TEXT>
</DOCUMENT>
</SUBMISSION>
