Exhibit 99.1 DIAMONDBACK ENERGY, INC. ANNOUNCES THIRD QUARTER 2024 FINANCIAL AND OPERATING RESULTS Midland, TX (November 4, 2024) - Diamondback Energy, Inc. (NASDAQ: FANG) ("Diamondback" or the "Company") today announced financial and operating results for the third quarter ended September 30, 2024. THIRD QUARTER 2024 HIGHLIGHTS • As previously announced, closed merger with Endeavor Energy Resources, L.P. ("Endeavor") on September 10, 2024 • Average production of 321.1 MBO/d (571.1 MBOE/d) • Net cash provid ...