<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>12
<FILENAME>d54771_ex99-1.txt
<DESCRIPTION>CERTIFICATION
<TEXT>
                                                                    Exhibit 99.1

                           CERTIFICATION PURSUANT TO
                       18 U.S.C. SECTION 1350, AS ADOPTED
                         PURSUANT TO SECTION 906 OF THE
                           SARBANES-OXLEY ACT OF 2002

      In connection with the Annual Report of SIGA Technologies, Inc. (the
"Company") on Form 10-KSB for the period ending December 31, 2002 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I,
Thomas N. Konatich, Acting Chief Executive Officer and Chief Financial Officer
of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to
ss. 906 of the Sarbanes-Oxley Act of 2002, that:

      1.    the Report fully complies with the requirements of Section 13(a) or
            15(d) of the Securities and Exchange Act of 1934; and

      2.    the information contained in the Report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company.

                                        /s/ Thomas N. Konatich
                                        ----------------------------------------
                                        Thomas N. Konatich
                                        Acting Chief Executive Officer
                                        and Chief Executive Officer
                                        March 31, 2003



</TEXT>
</DOCUMENT>
