EXHIBIT 1
AMENDED AND RESTATED AGREEMENT OF
JOINT FILING OF SCHEDULE 13D
The undersigned hereby agree to jointly prepare and file with regulatory
authorities Amendment Number 1 ("Amendment No. 1") to the statement on
Schedule 13D, dated August 13, 2003, filed by Mafco Holdings Inc. and
MacAndrews & Forbes Holdings Inc., and any subsequent amendments thereto
reporting each of the undersigned's ownership of securities of SIGA
Technologies, Inc. and hereby affirm that such Amendment No. 1 is being filed
on behalf of each of the undersigned.
Dated: October 14, 2003 MAFCO HOLDINGS INC.
By: /s/ Xxxxx X. Xxxxxxxx
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Name: Xxxxx X. Xxxxxxxx
Title: Executive Vice President
and General Counsel
Dated: October 14, 2003 MACANDREWS & FORBES HOLDINGS INC.
By: /s/ Xxxxx X. Xxxxxxxx
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Name: Xxxxx X. Xxxxxxxx
Title: Executive Vice President
and General Counsel
Dated: October 14, 2003 TRANSTECH PHARMA, INC.
By: /s/ Xxxxxxx X. Xxxxxxxx
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Name: Xxxxxxx X. Xxxxxxxx
Title: Senior Vice President -
Legal Affairs and Secretary