SIGA Commences Clinical Study For Intravenous (IV) Formulation Of TPOXX

NEW YORK--(BUSINESS WIRE)--SIGA Technologies, Inc. (SIGA) (OTCMKTS:SIGAQ), a company specializing in the development and commercialization of solutions for serious unmet medical needs and bio-defense, announced today the initiation of a Phase I single ascending dose clinical study for the intravenous (IV) formulation of the Company’s lead drug candidate, TPOXX (tecovirimat), for the treatment of orthopoxvirus disease. Screening of subjects began on March 7, 2016 and the first subject is expected to be enrolled and dosed on or about March 21, 2016. This study, which is funded the by the Biomedical Advanced Research and Development Authority (BARDA) under the contract #HHSO100201100023C, will evaluate safety data as well as pharmacokinetic data to aid in the development of a protocol for the next Phase I clinical trial in the IV program, a multiple ascending dose safety and pharmacokinetic trial.

“This collaboration with BARDA on an IV formulation is an important step toward realizing the full capability of TPOXX”

SIGA is developing the IV formulation as an alternative treatment for those individuals who suffer from dysphagia or seriously ill individuals who are hospitalized and cannot swallow oral capsules.

“This collaboration with BARDA on an IV formulation is an important step toward realizing the full capability of TPOXX,” said Dr. Eric Rose, SIGA’s Chief Executive Officer. Dr. Rose further noted that “this trial advances our efforts to ensure better protection of Americans from a smallpox outbreak.”

ABOUT SIGA TECHNOLOGIES, INC.

We are a company specializing in the development and commercialization of solutions for serious unmet medical needs and bio-threats. Our lead product is tecovirimat, also known as ST-246®, an orally administered antiviral drug that targets orthopoxviruses. While tecovirimat is not yet licensed by the U.S. Food & Drug Administration, it is a novel small-molecule drug that is being delivered to the Strategic National Stockpile under Project BioShield. For more information about SIGA, please visit SIGA’s web site at www.siga.com<http://www.siga.com>.

FORWARD-LOOKING STATEMENTS

This press release contains certain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. 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 potential products that appear promising to SIGA or its collaborators cannot be shown to be efficacious or safe in subsequent pre-clinical or clinical trials, (ii) the risk that SIGA or its collaborators will not obtain appropriate or necessary governmental approvals to market these or other potential products, (iii) the risk that SIGA may not be able to obtain anticipated funding for its development projects or other needed funding, including from anticipated governmental contracts and grants, (iv) the risk that SIGA may not complete performance under the BARDA Contract on schedule or in accordance with contractual terms, (v) the risk that SIGA may not be able to secure or enforce sufficient legal rights in its products, including intellectual property protection, (vi) 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, (vii) 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 seeking or obtaining needed approvals to market these products, (viii) the risk that one or more protests could be filed and upheld in whole or in part or other governmental action taken, in either case leading to a delay of performance under the BARDA Contract or other governmental contracts, (ix) the risk that the BARDA Contract is modified or canceled at the request or requirement of the U.S. government, (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 the changes in domestic and 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 risk that our chapter 11 case may make it more difficult to obtain additional financing, (xiv) the risk that our internal controls will not be effective in detecting or preventing a misstatement in our financial statements, (xv) the risk that some amounts received and recorded as deferred revenue may someday be determined to have been more properly characterized as revenue when received, (xvi) the risk that some amounts received and recorded as deferred revenue ultimately may not be recognized as revenue, (xvii) the risk associated with the loss of our appeal to the Delaware Supreme Court in our litigation with PharmAthene, Inc., including, the risks related to a failure to satisfy the judgment arising from the loss of the litigation with PharmAthene, Inc. and (xviii) the costs and expenses and other inherent uncertainty attendant to a chapter 11 case. More detailed information about SIGA and risk factors that may affect the realization of forward-looking statements, including the forward-looking statements in this presentation, is set forth in SIGA’s filings with the Securities and Exchange Commission, including SIGA’s Annual Report on Form 10-K for the fiscal year ended December 31, 2014, and in other documents that SIGA has filed with the SEC. SIGA urges investors and security holders to read those documents free of charge at the SEC’s web site at http://www.sec.gov. Interested parties may also obtain those documents free of charge from SIGA. Forward-looking statements are current only as of the date on which such statements were made, and except for our ongoing obligations under the United States of America federal securities laws, we undertake no obligation to update publicly any forward-looking statements whether as a result of new information, future events, or otherwise.