Diamondback Energy, Inc. — Director's Dealing 2013

Oct 21, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Diamondback Energy, Inc. (FANG)
CIK: 0001539838
Period of Report: 2013-10-17

Reporting Person: White Jeffrey L. (VP Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-10-17	Common Stock	M	21955	$17.50	Acquired	21955	Direct
2013-10-17	Common Stock	S	21955	$49.8271	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-10-17	Stock Option (right to buy)	$17.50	M	21955	Disposed	2016-09-30	Common Stock (21955)	Direct

Footnotes

F1: Sold under an existing 10b5-1 plan.

F2: All of the options to purchase the issuer's common stock exercised on October 17, 2013 vested on September 30, 2013. Of the remaining options, options to purchase 3,045 shares of common stock vested on September 30, 2013 and options to purchase 50,000 shares of common stock will vest in two equal annual installments beginning on September 30, 2014.