Exhibit 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k), the undersigned acknowledge and agree that the foregoing statement on Schedule 13G with respect to Class A common stock, $1.00 par value per share, of USCB Financial Holdings, Inc. is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning such person contained herein or therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that such person knows or has reason to believe that such information is inaccurate.

Dated this 17th day of July, 2026

	Inversiones Atlántida S.A.

	By:	/s/ Guillermo Bueso Anduray
		Name: Guillermo Bueso Anduray
		Title: Chief Executive Officer


	Atlantida Corporation Limited

	By:	/s/ Guillermo Bueso Anduray
		Name: Guillermo Bueso Anduray
		Title: Director


	By:	/s/ Walter Bodden Joya
		Name: Walter Bodden Joya
		Title: Director


	Guillermo Bueso Anduray

	By:	/s/ Guillermo Bueso Anduray
		Name: Guillermo Bueso Anduray

USCB FINANCIAL HOLDINGS, INC. SCHEDULE 13G