Strengthens balance sheet with over $3.8 billion in pro forma cash, cash equivalents, and restricted cash as of June 30, 2026

Structured efficiently with 1.625% interest rate and $149.20 effective conversion price with effective dilution of less than 2%

AST SpaceMobile, Inc. ("AST SpaceMobile") (NASDAQ:ASTS), the company building the first and only space-based cellular broadband network accessible directly by everyday smartphones, designed for both commercial and government applications, today announced the closing of $1.0 billion aggregate principal amount of 1.625% convertible senior notes due 2034 (the "notes"), and the exercise in full of the initial purchasers’ option to purchase an additional $150.0 million principal amount of notes (the "option notes"). The settlement for the option notes is expected to occur on July 22, 2026, subject to customary closing conditions. As part of the transaction, AST SpaceMobile purchased a capped call hedge to increase the effective conversion price to $149.20 per share.