Diamondback Energy, Inc. — Director's Dealing 2012

Oct 15, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Diamondback Energy, Inc. (FANG)
CIK: 0001539838
Period of Report: 2012-10-11

Reporting Person: Cross Michael P (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-10-11	Restricted Stock Units	$	A	6666	Acquired		Common Stock (6666)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share (the "Common Stock"), of Diamondback Energy, Inc. (the "Issuer").

F2: 2,222 restricted stock units will be vested on the closing date of the initial public offering of the Issuer (the "IPO"). 4,444 restricted stock units will vest in two remaining equal annual installments beginning on the first annivesary date of the IPO. All restricted stock units are subject to a lock-up agreement entered into by the reporting person in connection with the IPO.