ASTS · Annual Report (Form 10-K) · Filed March 2, 2026

Ast Spacemobile Inc — 10-K exhibit

asts-ex21_1.htm

EX-21.1

EXHIBIT 21.1

SUBSIDIARIES OF AST SPACEMOBILE, INC. *


Entity Name		Jurisdiction of Formation
AST & Science, LLC		Delaware
AST SpaceMobile Services, LLC (f/k/a AST Services, LLC)		Florida
AST Space Mobile USA LLC (f/k/a AST & Defense, LLC)		Delaware
AST & Science Texas LLC		Texas
AST SpaceMobile Holdings, LLC		Delaware
AST SpaceMobile Holdings IV, LLC		Delaware
AST SpaceMobile Manufacturing, LLC		Texas
AST SpaceMobile Europe I, LLC		Delaware
AST SpaceMobile Europe II, LLC		Delaware
Spectrum USA I, LLC		Delaware
BackstopCo, LLC		Delaware
AST & Science Iberia, Sociedad Limitada Unipersonal		Spain
AST SpaceMobile UK Limited		United Kingdom
AST & Science Israel Ltd.		Israel
AST SpaceMobile India Private Limited		India

* AST SpaceMobile, Inc. has elected to omit the names of certain subsidiaries. None of the omitted subsidiaries, considered either alone or together with the other omitted subsidiaries of its immediate parent, constitute a "Significant Subsidiary" as set forth in Rule 1-02(w) of Regulation S-X.

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