Earthstone Announces Expiration of Hart-Scott-Rodino Act Waiting Period in Connection with Proposed Transaction

THE WOODLANDS, Texas, Oct. 03, 2023 (GLOBE NEWSWIRE) -- Earthstone Energy, Inc. (NYSE: ESTE) (“Earthstone”, the “Company”), today announced the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), with respect to the previously-announced agreement for Permian Resources Corporation (NYSE: PR) (“Permian Resources”) to acquire all outstanding shares of Earthstone at an exchange ratio of 1.446 shares of Permian Resources for each Earthstone share.

The expiration of the HSR Act waiting period occurred at 11:59 p.m. EDT on October 2, 2023, which was a condition to the closing of the pending transaction. Completion of the transaction is subject to the satisfaction of the remaining customary closing conditions, including approval by Earthstone stockholders. The Earthstone special meeting is scheduled to be held on Monday October 30, 2023 at 10:00 AM. The transaction is expected to close shortly thereafter.

About Earthstone

Earthstone Energy, Inc. is a growth-oriented, independent energy company engaged in acquisition, development and operation of oil and natural gas properties. Its primary assets are located in the Permian Basin of west Texas and New Mexico. Earthstone is listed on the New York Stock Exchange under the symbol “ESTE.” For more information, visit Earthstone’s website at www.earthstoneenergy.com.

No Offer or Solicitation

This communication relates to a proposed business combination transaction (the “Transaction”) between Earthstone and Permian Resources. This communication is for informational purposes only and does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval, in any jurisdiction, pursuant to the Transaction or otherwise, nor shall there be any sale, issuance, exchange or transfer of the securities referred to in this document in any jurisdiction in contravention of applicable law. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended.

Important Additional Information

In connection with the Transaction, Permian Resources has filed with the U.S. Securities and Exchange Commission (“SEC”) a registration statement on Form S-4, which was declared effective on September 25, 2023. The Transaction will be submitted to Earthstone’s stockholders and Permian Resources’ stockholders for their consideration. Earthstone and Permian Resources may also file other documents with the SEC regarding the Transaction. Mailing of the definitive joint proxy statement/prospectus to the stockholders of Parent and the Company commenced on September 26, 2023. This document is not a substitute for the registration statement and joint proxy statement/prospectus that will be filed with the SEC or any other documents that Permian Resources or Earthstone may file with the SEC or send to stockholders of Permian Resources or Earthstone in connection with the Transaction. INVESTORS AND SECURITY HOLDERS OF EARTHSTONE AND PERMIAN RESOURCES ARE URGED TO READ THE REGISTRATION STATEMENT AND THE JOINT PROXY STATEMENT/PROSPECTUS REGARDING THE TRANSACTION AND ALL OTHER RELEVANT DOCUMENTS THAT ARE FILED OR WILL BE FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THESE DOCUMENTS, CAREFULLY AND IN THEIR ENTIRETY BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE TRANSACTION AND RELATED MATTERS.