Diamondback Energy(FANG) - 2025 Q4 - Annual Results

Exhibit 99.1 DIAMONDBACK ENERGY, INC. ANNOUNCES FOURTH QUARTER AND FULL YEAR 2025 FINANCIAL AND OPERATING RESULTS; INCREASES BASE DIVIDEND Midland, TX (February 23, 2026) - Diamondback Energy, Inc. (NASDAQ: FANG) ("Diamondback," "we," "our" or the "Company") today announced financial and operating results for the fourth quarter and full year ended December 31, 2025. FOURTH QUARTER 2025 HIGHLIGHTS NON-GAAP DISCLOSURES 1 For a definition of Operating Cash Flow Before Working Capital Changes, Free Cash Flow, A ...