AST SpaceMobile, Inc. (" AST SpaceMobile ") ASTS, the company building the first and only space-based cellular broadband network accessible directly by everyday smartphones, and designed for both commercial and government applications, today announced its intent to offer, subject to market conditions and other factors, $400.0 million aggregate principal amount of convertible senior notes due 2032 (the "notes") in a private offering (the "offering") to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended (the "Securities Act"). AST SpaceMobile also intends to grant the initial purchasers of the notes in the offering an option to purchase, within a 13-day period beginning on, and including, the date on which the notes are first issued, up to an additional $60.0 million aggregate principal amount of notes.