Regulation FD Disclosure (Form 8-K)

Item 7.01 Regulation FD Disclosure.

On December 18, 2025, Civitas Resources, Inc. ("Civitas") received notification of early termination of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, with respect to the pending merger (the "pending merger") between Civitas and SM Energy Company ("SM Energy"). The termination satisfies one of the conditions to the closing of the pending merger.

The information in this Item 7.01 is being furnished and shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing.