 NEW YORK, Sept. 13, 2021 GLOBE NEWSWIRE -- SIGA Technologies, Inc. SIGA NASDAQ: SIGA, a commercial-stage pharmaceutical company, today announced the exercise of a procurement option under its 75A50118C00019 19C contract with Biomedical Advanced Research and Development Authority BARDA, part of the office of the Assistant Secretary for Preparedness and Response at the U.S. Department of Health and Human Services for the delivery of oral TPOXX treatment courses valued at approximately 112.5 million to the U.S. government. Product deliveries in connection with the option exercise are targeted for 2021. 