SIGA Technologies to Host Business Update Call on Tuesday, August 8th, 2023 Following Release of Second Quarter 2023 Financial Results

NEW YORK, July 27, 2023 (GLOBE NEWSWIRE) -- SIGA Technologies, Inc. (SIGA) (NASDAQ: SIGA), a commercial-stage pharmaceutical company, today announced that management will host a webcast and conference call to provide a business update at 4:30 P.M. ET on Tuesday, August 8^th, 2023. Participating on the call will be Dr. Phil Gomez, Chief Executive Officer, Dr. Dennis Hruby, Chief Scientific Officer, and Daniel Luckshire, Chief Financial Officer.

A live webcast of the call will also be available on the Company's website at www.siga.com under the 'Events & Presentations' tab in the Investor Relations section, or by clicking here. Please log in approximately 5-10 minutes prior to the scheduled start time.

Participants may access the call by dialing 1-888-304-1803 for domestic callers or 1-848-488-9277 for international callers.

A replay of the call will be available for two weeks by dialing 1-844-512-2921 for domestic callers or 1-412-317-6671 for international callers and using Conference ID: 153003. The archived webcast will be available in the Events and Presentations section of the Company's website.

ABOUT SIGA TECHNOLOGIES, INC. and TPOXX

SIGA Technologies, Inc. is a commercial-stage pharmaceutical company focused on the health security market. Health security comprises countermeasures for biological, chemical, radiological and nuclear attacks (biodefense market), vaccines and therapies for emerging infectious diseases, and health preparedness. Our lead product is TPOXX, also known as tecovirimat and ST-246, an orally administered and IV formulation antiviral drug for the treatment of human smallpox disease caused by variola virus. TPOXX is a novel small-molecule drug and the US maintains a supply of TPOXX under Project BioShield. The oral formulation of TPOXX was approved by the FDA for the treatment of smallpox in 2018, and the IV formulation was approved for the same indication in 2022. The full label is available by clicking here. Oral tecovirimat received approval from the European Medicines Agency (EMA) and the Medicines and Healthcare Products Regulatory Agency (MHRA) in the United Kingdom in 2022. The EMA and UK approvals include labeling for oral tecovirimat indicating its use for the treatment of smallpox, monkeypox, cowpox, and vaccinia complications following vaccination against smallpox. The full label is available by clicking here. In September 2018, SIGA signed a contract with the Biomedical Advanced Research and Development Authority (BARDA), part of the office of the Assistant Secretary for Preparedness and Response within the U.S. Department of Health and Human Services, for additional procurement and development related to both oral and intravenous formulations of TPOXX. For more information about SIGA, please visit www.siga.com.