Exhibit 31.1
CERTIFICATION PURSUANT TO
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Eric A. Rose, M.D., certify that:
1. I have reviewed this quarterly report on Form 10-Q of SIGA
Technologies, Inc.;
2. Based on my knowledge, this report does not contain any untrue
statement of a material fact or omit to state a material fact
necessary to make the statements made, in light of the
circumstances under which such statements were made, not
misleading with respect to the period covered by this
quarterly report;
3. Based on my knowledge, the financial statements, and other
financial information included in this quarterly report,
fairly present in all material respects the financial
condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this
report;
4. The registrant's other certifying officer and I are
responsible for establishing and maintaining disclosure
controls and procedures (as defined in Exchange Act Rules
13a-15(e) and 15d-15(e)) for the registrant and have:
(a) Designed such disclosure controls and procedures, or
caused such disclosure controls and procedures to be
designed under our supervision, to ensure that material
information relating to the registrant, including its
consolidated subsidiaries, is made known to us by others
within those entities, particularly during the period in
which this quarterly report is being prepared;
(b) Evaluated the effectiveness of the registrant's
disclosure controls and procedures and presented in this
report our conclusions about the effectiveness of the
disclosure controls and procedures, as of the end of the
period covered by this report based on such evaluation;
and
(c) Disclosed in this report any change in the registrant's
internal control over financial reporting that occurred
during the registrant's most recent fiscal quarter that
has materially affected, or is reasonably likely to
materially affect, the registrant's internal control
over financial reporting; and
5. The registrant's other certifying officer and I have
disclosed, based on our most recent evaluation of internal
control over financial reporting, to the registrant's auditors
and the audit committee of registrant's board of directors (or
persons performing the equivalent functions);
(a) All significant deficiencies and material weaknesses in
the design or operation of internal control over
financial reporting which are reasonably likely to
adversely affect the registrant's ability to record,
process, summarize and report financial information; and
(b) Any fraud, whether or not material, that involves
management or other employees who have a significant
role in the registrant's internal control over financial
reporting.
Date: August 14, 2007 By: /s/ Eric A. Rose
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Eric A. Rose, M.D.
Chief Executive Officer
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