EXHIBIT 1

JOINT FILING AGREEMENT

The undersigned agree that the statement on Schedule 13G with respect to the Class A Ordinary Shares of Churchill Capital Corp IX, dated as of May 15, 2025, is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of them pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

	Fort Baker Capital Management LP
	Signature:	/s/ Steven Patrick Pigott
	Name/Title:	Steven Patrick Pigott, Chief Investment Officer
	Date:	05/15/2025

	Steven Patrick Pigott
	Signature:	/s/ Steven Patrick Pigott
	Name/Title:	Steven Patrick Pigott
	Date:	05/15/2025

	Fort Baker Capital, LLC
	Signature:	/s/ Steven Patrick Pigott
	Name/Title:	Steven Patrick Pigott, Chief Investment Officer
	Date:	05/15/2025