NextNav Inc. expanded its Board of Directors from nine to ten members. Lisa Hook was appointed as a new director, effective February 24, 2026, to fill the resulting vacancy. Ms. Hook will serve as the Board's Lead Independent Director. She will also join the Technology and National Defense Committee and the Compensation and Human Capital Committee. Her term expires at the 2026 Annual Meeting of Stockholders, where she will stand for reelection. Ms. Hook will receive an initial equity grant of approximately $75,000, an annual equity grant of approximately $175,000, and an annual cash retainer of $80,000 for her Lead Independent Director role. She will also receive cash compensation for committee service, consistent with that provided to all non-employee directors. The company will enter into a standard indemnity agreement with Ms. Hook, consistent with those for other directors.