Economou George SC 13D Seanergy Maritime / Economou George ownership change

Exhibit 99.1

AGREEMENT

JOINT FILING OF SCHEDULE 13D

The undersigned hereby agree to jointly prepare and file with regulatory authorities this Schedule 13D and any future amendments thereto reporting each of the undersigned’s ownership of securities of Seanergy Maritime Holdings Corp., and hereby affirm that such Schedule 13D is being filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934. 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 him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the other, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

Date: November 24, 2023	SPHINX INVESTMENT CORP.
	By: Levante Services Limited

By:	/s/ Kleanthis Costa Spathias
	Kleanthis Costa Spathias
	Director

Date: November 24, 2023	MARYPORT NAVIGATION CORP.
	By: Levante Services Limited
	By:	/s/ Kleanthis Costa Spathias
		Kleanthis Costa Spathias
		Director
Date: November 24, 2023	GEORGE ECONOMOU

By:	/s/ George Economou
	George Economou