Press Release

Diamondback Energy, Inc. and Viper Energy Partners LP Schedule Joint 2014 Fourth Quarter Conference Call for February 18, 2015

February 13, 2015

MIDLAND, Texas, Feb. 13, 2015 (GLOBE NEWSWIRE) -- Diamondback Energy, Inc. (Nasdaq:FANG) and its subsidiary Viper Energy Partners LP (Nasdaq:VNOM) today announced that they plan to release their respective fourth quarter 2014 financial results on Tuesday, February 17, 2015 after the market closes.

In connection with the earnings releases, Diamondback Energy, Inc. and Viper Energy Partners LP will host a joint conference call and webcast for investors and analysts to discuss their results for the quarter on Wednesday, February 18, 2015 at 9:00 a.m. CT.

Participants should call (877) 440-7573 (United States/Canada) or (253) 237-1144 (International) and utilize the confirmation code 75840964. A telephonic replay will be available for anyone unable to participate in the live call. To access the replay, call (855) 859-2056 (United States/Canada) or (404) 537-3406 (International) and enter confirmation code 75840964. The recording will be available from 12:00 p.m. CT on Wednesday, February 18, 2015 through Monday, February 23, 2015 at 10:59 p.m. CT. A live broadcast of the earnings conference call will also be available via the internet at www.diamondbackenergy.com under the "Investor Relations" section of the site. The webcast will be archived on the site.

About Diamondback Energy, Inc.

Diamondback is an independent oil and natural gas company headquartered in Midland, Texas focused on the acquisition, development, exploration and exploitation of unconventional, onshore oil and natural gas reserves in the Permian Basin in West Texas. Diamondback's activities are primarily focused on the horizontal exploitation of multiple intervals within the Wolfcamp, Spraberry, Clearfork and Cline formations.

About Viper Energy Partners LP

Viper Energy Partners LP is a limited partnership formed by Diamondback Energy, Inc. to own, acquire and exploit oil and natural gas properties in North America, with an initial focus on the Permian Basin.

CONTACT: Investor Contact:

         Adam Lawlis

         +1 432.221.7467

         alawlis@diamondbackenergy.com