Diamondback Energy Inc. announced that Energen Corporation has commenced a cash tender offer to purchase any and all of Energen’s 4.625% Senior Notes due 2021. As of May 15, 2020, Energen had $400 million aggregate principal amount of the notes outstanding. The tender offer is being made pursuant to an offer to purchase and a related letter of transmittal, each dated as of May 18, 2020, and a notice of guaranteed delivery. The tender offer will expire at 5:00 p.m., New York City time, on May 22, 2020, unless extended or earlier terminated as described in the offer to purchase (such time and date, as they may be extended, the Expiration Time).  Holders of the notes who validly tender (and do not validly withdraw) their notes prior to the Expiration Time, or who deliver to the tender agent and information agent a properly completed and duly executed notice of guaranteed delivery in accordance with the instructions described in the offer to purchase, will be eligible to receive total cash consideration of $1,010.00 per $1,000 principal amount of notes, plus any accrued and unpaid interest up to, but not including, the settlement date, which is expected to occur on May 26, 2020. Tendered notes may be withdrawn at any time at or prior to the Expiration Time. Energen reserves the right to terminate, withdraw or amend the tender offer at any time, subject to applicable law. The tender offer is subject to the satisfaction or waiver of certain conditions, including Energen’s receipt of an equity contribution from Diamondback in an amount that is sufficient to fund the purchase of the notes validly tendered and accepted for purchase pursuant to the tender offer and to pay all fees and expenses associated with the equity contribution and the tender offer.  The tender offer is not conditioned on any minimum amount of notes being tendered.