Diamondback Energy, Inc. — Director's Dealing 2013

Sep 18, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Diamondback Energy, Inc. (FANG)
CIK: 0001539838
Period of Report: 2013-09-16

Reporting Person: Molnar Paul (VP Geoscience)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-09-16	Common Stock	M	17143	—	Acquired	17143	Direct
2013-09-16	Common Stock	S	17143	$44.7119	Disposed	17143	Direct
2013-09-18	Common Stock	M	23725	$17.50	Acquired	23725	Direct
2013-09-18	Common Stock	S	23725	$44.4937	Disposed	23725	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-09-16	Restricted Stock Units	$	M	17143	Disposed		Common Stock (17143)	Direct
2013-09-18	Stock Option (right to buy)	$17.50	M	23725	Disposed	2016-08-15	Common Stock (23725)	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") and was granted under the Issuer's 2012 Stock Incentive Plan.

F2: The remaining 17,144 restricted stock units will vest in two equal annual installments beginning August 15, 2014.

F3: Options to purchase 26,275 shares of Common Stock are currently vested. The remaining options to purchase 50,000 shares of Common Stock will vest in two remaining approximately equal annual installments beginning on August 15, 2014.