NEW YORK, Apr 27, 2010 (GlobeNewswire via COMTEX News Network) -- SIGA Technologies, Inc. (Nasdaq:SIGA), a company specializing in the development of pharmaceutical agents to fight bio-warfare pathogens, announced today that it will report first quarter 2010 results on Tuesday, May 4, 2010.

Management will host a conference call and simultaneous webcast to discuss the results of operations and provide an update on recent business developments at 4:30 pm ET on Tuesday, May 4, 2010. Participants should call 877-312-8821 (United States/Canada) or 253-237-1186 (International) and request the SIGA call or provide confirmation code 71657268. A live broadcast of the call will be available on the Company's website at www.SIGA.com under the 'Events & Presentations' tab in the Investor Relations section.

A replay of the call will be available approximately two hours after the call and will be available until 11:59 p.m. on Tuesday, May 11, 2010. To listen to the replay, dial 800- 642-1687 (domestic) or 706- 645-9291 (international) and enter the pass code 71657268. The webcast of the event will also be archived on the Company's website for one year under the 'Events & Presentations' tab in the Investor Relations section.

About SIGA Technologies, Inc.

SIGA Technologies is applying viral and bacterial genomics and sophisticated computational modeling in the design and development of novel products for the prevention and treatment of serious infectious diseases, with an emphasis on products for biological warfare defense. SIGA believes that it is a leader in the development of pharmaceutical agents to fight potential bio-warfare pathogens. SIGA has antiviral programs targeting smallpox and other Category A pathogens, including arenaviruses (Lassa fever, Junin, Machupo, Guanarito, Sabia, and lymphocytic choriomeningitis), dengue virus, and the filoviruses (Ebola and Marburg). For more information about SIGA, please visit SIGA's web site at http://www.siga.com/.

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SOURCE: SIGA Technologies, Inc.

CONTACT:  KCSA Strategic Communications
Todd Fromer
212-896-1215
Tfromer@kcsa.com
Marybeth Csaby
212-896-1236
mcsaby@kcsa.com

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