NEW YORK, March 26, 2026 (GLOBE NEWSWIRE) -- SIGA Technologies, Inc. (SIGA) (NASDAQ:SIGA), a commercial-stage pharmaceutical company, today announced that its board of directors declared a special cash dividend of $0.60 per share on the company's common stock. The amount of this dividend is consistent with the level of the special dividend declared in April 2025. The dividend is payable on April 23, 2026, to shareholders of record at the close of business on April 7, 2026.

"Today's announcement of a special cash dividend reflects the strength of our balance sheet and focus on maximizing shareholder value," said Diem Nguyen, Chief Executive Officer. "We remain committed to executing our strategy and working with governments to strengthen preparedness for a potential smallpox outbreak, which is even more critical in a time of heightened geopolitical volatility."

About SIGA

SIGA is a commercial-stage pharmaceutical company and leader in global health focused on the development of innovative medicines to treat and prevent infectious diseases. With a primary focus on orthopoxviruses, we are dedicated to protecting humanity against the world's most severe infectious diseases, including those that occur naturally, accidentally, or intentionally. Through partnerships with governments and public health agencies, we work to build a healthier and safer world by providing essential countermeasures against these global health threats. For more information about SIGA, visit www.siga.com.

Forward-looking Statements

This press release contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, including statements relating to SIGA's future business development and plans. Forward-looking statements include statements regarding our future financial position, business strategy, budgets, projected costs, and plans and objectives of management for future operations. The words "may," "continue," "estimate," "intend," "plan," "will," "believe," "project," "expect," "seek," "anticipate," "could," "should," "target," "goal," "potential" and similar expressions may identify forward-looking statements, but the absence of these words does not necessarily mean that a statement is not forward-looking. Such forward-looking statements are subject to various known and unknown risks and uncertainties, and SIGA cautions you that any forward-looking information provided by or on behalf of SIGA is not a guarantee of future performance. SIGA's actual results could differ materially from those anticipated by such forward-looking statements due to a number of factors, some of which are beyond SIGA's control, including, but not limited to, (i) the risk that SIGA may not complete performance under the 19C BARDA Contract (the BARDA Contract), with the U.S. Biomedical Advanced Research and Development Authority (BARDA) on schedule or in accordance with contractual terms, (ii) the risk that SIGA is not able to enter into new contracts to supply TPOXX^®to the U.S. Government, (iii) the risk that the nascent international biodefense market does not develop to a degree that allows SIGA to continue to successfully market TPOXX^®internationally, (iv) the risk that potential products, including potential alternative uses or formulations of TPOXX^®that appear promising to SIGA or its collaborators, cannot be shown to be efficacious or safe in subsequent pre-clinical or clinical trials, (v) the risk that target timing for deliveries of product to customers, and the recognition of related revenues, are delayed or adversely impacted by the actions, or inaction, of contract manufacturing organizations, or other vendors, within the supply chain, or due to coordination activities between the customer and supply chain vendors, (vi) the risk that SIGA or its collaborators will not obtain or maintain appropriate or necessary governmental approvals to market these or other potential products or uses, (vii) the risk that SIGA may not be able to secure or enforce sufficient legal rights in its products, including intellectual property protection, (viii) the risk that any challenge to SIGA's patent and other property rights, if adversely determined, could affect SIGA's business and, even if determined favorably, could be costly, (ix) the risk that regulatory requirements applicable to SIGA's products may result in the need for further or additional testing or documentation that will delay or prevent SIGA from seeking, obtaining or maintaining needed approvals to market these products, (x) the risk that the volatile and competitive nature of the biotechnology industry may hamper SIGA's efforts to develop or market its products, (xi) the risk that changes in domestic or foreign economic and market conditions may affect SIGA's ability to advance its research or may affect its products adversely, (xii) the effect of federal, state, and foreign regulation, including drug regulation and international trade regulation, on SIGA's businesses, (xiii) the impacts of significant recent shifts in trade policies, including the imposition of tariffs, retaliatory tariff measures, and subsequent modifications or suspensions thereof, and market reactions to such policies and resulting trade disputes, (xiv) the risk of disruptions to SIGA's supply chain for the manufacture of TPOXX^®, causing delays in SIGA's research and development activities, causing delays or the re-allocation of funding in connection with SIGA's government contracts, or diverting the attention of government staff overseeing SIGA's government contracts, (xv) risks associated with actions or uncertainties surrounding the debt ceiling, or the changes in the U.S. administration, and (xvi) the risk that the U.S. or foreign governments' responses (including inaction) to national or global economic conditions or infectious diseases, are ineffective and may adversely affect SIGA's business, as well as the risks and uncertainties included in Item 1A "Risk Factors" of our Annual Report on Form 10-K for the year ended December 31, 2025 and SIGA's subsequent filings with the Securities and Exchange Commission. SIGA urges investors and security holders to read those documents free of charge at the SEC's website at http://www.sec.gov. All such forward-looking statements are current only as of the date on which such statements were made. SIGA does not undertake any obligation to update publicly any forward-looking statement to reflect events or circumstances after the date on which any such statement is made or to reflect the occurrence of unanticipated events.

Contact:

Suzanne Harnett

sharnett@siga.com

SIGA Declares Special Cash Dividend of $0.60 Per Share