Diamondback Energy, Inc. — Director's Dealing 2014

Apr 23, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Diamondback Energy, Inc. (FANG)
CIK: 0001539838
Period of Report: 2014-04-21

Reporting Person: Stice Travis D. (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-04-21	Common Stock	M	75000	$17.50	Acquired	89705	Direct
2014-04-21	Common Stock	S	52200	$72.2808	Disposed	37505	Direct
2014-04-21	Common Stock	S	20000	$73.4159	Disposed	17505	Direct
2014-04-21	Common Stock	S	2800	$73.9893	Disposed	14705	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-04-21	Stock Option (right to buy)	$17.50	M	75000	Disposed	2016-04-18	Common Stock (75000)	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 20, 2014.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.890 to $72.840, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3) and (4) to this Form 4.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.910 to $73.900, inclusive.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.920 to $74.120, inclusive.

F5: All of these options to purchase 75,000 shares of common stock of the issuer were vested at the time of exercise. Of the remaining options to purchase 150,000 shares of common stock of the issuer, options to purchase 75,000 shares of common stock are vested, and options to purchase 75,000 shares of common stock will vest on April 18, 2015.