Clayton A. Carrell - 30 Jan 2026 Form 4 Insider Report for CIVITAS RESOURCES, INC. (CIVI)

Footnote F1

Pursuant to the Agreement and Plan of Merger, dated as of November 2, 2025 (the "Merger Agreement"), by and among SM Energy Company ("SM Energy"), Cars Merger Sub, Inc., a direct wholly owned subsidiary of SM Energy ("Merger Sub"), and Civitas Resources, Inc. ("Civitas"), (i) Merger Sub was merged with and into Civitas, with Civitas surviving as a wholly owned subsidiary of SM Energy (the "first merger" and the surviving entity, the "first surviving corporation"), and (ii) immediately following the first merger (the "Effective Time"), the first surviving corporation was merged with and into SM Energy, with SM Energy continuing as the surviving corporation and each share of Civitas' common stock, par value $0.01 per share ("Civitas common stock"), was converted into the right to receive 1.45 shares of common stock, par value $0.01 per share, of SM Energy ("SM Energy common stock").

Footnote F2

On January 29, 2026, the day prior to the Effective Time, the closing price of one share of SM Energy common stock on the New York Stock Exchange was $18.87. Pursuant to the Merger Agreement, each restricted stock unit of Civitas ("Civitas RSU Award") that was outstanding immediately prior to the Effective Time was assumed by SM Energy and converted into a time-based restricted stock unit award of SM Energy equal to the product obtained by multiplying (i) the number of shares of Civitas common stock subject to such Civitas RSU Award immediately prior to the Effective Time and (ii) 1.45, rounded up to the nearest whole number of shares and generally subject to the same terms and conditions (including as to vesting and forfeiture) as were applicable to such Civitas RSU Award immediately prior to the Effective Time.

Footnote F3

Pursuant to the Merger Agreement, each performance stock unit of Civitas ("Civitas PSU Award") that was outstanding immediately prior to the Effective Time was assumed by SM Energy and converted into a time-based restricted stock unit award of SM Energy equal to the product obtained by multiplying (i) the greater of (A) the target number of shares of Civitas common stock subject to such Civitas PSU Award as of immediately prior to the Effective Time and (B) the number of shares of Civitas common stock to be earned based on actual achievement of the performance criteria set forth in the applicable award agreement as of immediately prior to the Effective Time and (ii) 1.45, rounded up to the nearest whole number of shares and generally subject to the same terms and conditions (including as to time-based vesting and forfeiture, but not any performance-based vesting conditions) as were applicable to such Civitas PSU Award immediately prior to the Effective Time.