Diamondback Energy Inc.

Priced an offering of 4.25% senior notes that will mature on March 15, 2052. The price to the public for the notes is 99.714% of the principal amount. Proceeds will be used to fund the redemption of all of Diamondback’s outstanding 4.75% senior notes due 2025 at the applicable redemption price, which includes a make-whole premium and accrued and unpaid interest on the 2025 notes. Remaining proceeds will be used with cash on hand to the redemption of all of Diamondback’s outstanding 2.875% senior notes at the applicable redemption price, which includes a make-whole premium and accrued and unpaid interest on the 2024 notes. The closing of the notes offering is not contingent on the redemptions. Morgan Stanley & Co. LLC, RBC Capital Markets LLC and TD Securities (USA) LLC are joint book-running managers.