Exhibit 99.1 NextNav Inc. Reports Fourth Quarter and Full Year 2023 Results Announced Transaction to Acquire Additional 900 MHz Spectrum Licenses Mariam Sorond Joins as NextNav CEO McLean, VA., March 13, 2024 – NextNav Inc. (NASDAQ: NN) (“NextNav” or the “Company”) a leader in next generation positioning, navigation, and timing (PNT) and 3D geolocation, today reported financial results for NextNav’s fourth quarter and full year ended December 31, 2023. Mariam Sorond, NextNav CEO stated, “It’s been an incred ...