D. E. Shaw & Co SC 13G Global Star Acquisition / D. E. SHAW & CO ownership change

Exhibit 3

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, each of the undersigned Reporting Persons hereby agrees to the joint filing, along with all other such Reporting Persons, on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Class A Common Stock, $0.0001 par value per share, of Global Star Acquisition Inc., and that this Agreement be included as an Exhibit to such joint filing. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, each of the undersigned hereby executes this Agreement as of this 14th day of November, 2024.

D. E. Shaw Valence Portfolios, L.L.C.
By:	/s/ Daniel R. Marcus
	Daniel R. Marcus
	Authorized Signatory

D. E. Shaw & Co., L.L.C.
By:	/s/ Daniel R. Marcus
	Daniel R. Marcus
	Authorized Signatory

D. E. Shaw & Co., L.P.
By:	/s/ Daniel R. Marcus
	Daniel R. Marcus
	Chief Compliance Officer

David E. Shaw
By:	/s/ Daniel R. Marcus
	Daniel R. Marcus
	Attorney-in-Fact for David E. Shaw