NextNav SPAC Presentation Deck

Transaction summary $ AND UNITS IN MILLIONS, EXCEPT PER SHARE VALUES Sources SPAC cash in trust (assumes 100% roll)(¹) Target rollover equity(2) PIPE(3) Total sources Uses Shares to target shareholders (2) Cash to balance sheet Debt paydown(4) Est. fees and expenses(5) Total uses Note: NextNav balance sheet date as of 6/30/21. (1) Assumes no redemptions in connection with business combination. (2) Based on fixed equity rollover of 75mm shares at $10.00 per share, including employee equity. (3) Assumes $205mm of PIPE proceeds at purchase price of $10.00 per share. (4) Excludes interest and additional borrowings after 6/30/21. $203 750 205 $1,158 $750 294 84 30 $1,158 Pro forma valuation Pro forma FDSO(6) Illustrative share price Pro forma market cap (-) Pro forma cash (7) Pro forma enterprise value Pro forma ownership (5) Estimated total transaction expenses for both NextNav and Spartacus. (6) Assumes the exercise or conversion of any options, warrants or other convertible securities. (7) Pro forma cash balance of 6/30/21; excludes impact of cash burn between 7/1/21 to transaction close. PIPE Shares 17% Sponsor Shares 4% SPAC Public Shareholders 17% N NEXTNAV 121 $10.00 $1,205 ($301) $904 Target Shareholders 62% 43

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