Exhibit 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13G with respect to the shares of Common Stock of PharmAthene, Inc., dated as of October 27, 2008, is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(c) under the Securities Exchange Act of 1934.

Date: October 27, 2008	AMTRUST CAPITAL MANAGEMENT, INC.,
	a Delaware Corporation
	/s/ Jan Loeb
	By: Jan Loeb
	Its: President
Date: October 27, 2008	/s/ Jan Loeb
	Jan Loeb