Riviera Resources Inc.

Riviera Resources Inc. announced the preliminary results of its tender offer to purchase for cash up to 4,545,454 shares of its common stock at a price of $22 per share.

Based on the preliminary count by American Stock Transfer & Trust Company, LLC, the depositary for the tender offer, approximately 9.8 million shares of the common stock were properly tendered and not properly withdrawn, including approximately 0.2 million shares that were tendered through notice of guaranteed delivery. The number of shares conditionally tendered was less than 0.2 million based on the preliminary count by the depositary. Riviera expects to accept for purchase a total of 6,062,179 shares of its common stock at a purchase price of $22.00 per share, for an aggregate purchase price of approximately $133 million. The shares expected to be acquired represent approximately 8% of the company’s currently outstanding common stock. Included in the 6,062,179 shares that the company expects to accept for purchase in the tender offer are 1,516,725 shares that the company has elected to purchase, which election does not require the company to amend or extend the tender offer pursuant to applicable SEC rules and regulations with respect to issuer tender offers.