Item 8.01. Other Events.

On June 1, 2012, SIGA Technologies, Inc., a Delaware corporation ("SIGA"), issued a press release announcing that the Delaware Court of Chancery (the "Court") has entered its final judgment in the litigation that PharmAthene, Inc. ("PharmAthene") commenced in December 2006. This action brings to a close the initial trial-level proceedings in the litigation.

As previously disclosed, the Court issued its post-trial opinion in September 2011 granting judgment to PharmAthene on two of its eight claims and denying SIGA's counterclaim against PharmAthene. It further indicated that the remedy would be in the form of an "equitable payment stream," pursuant to which SIGA would pay to PharmAthene, for ten years, 50% of its net profits from sales or other dispositions of its smallpox drug, ST-246®, after SIGA retained the first $40 million of net profits. The Court also granted in part PharmAthene's request for attorneys' fees and expenses. The Court asked the parties to agree if possible on a form of final judgment embodying these rulings and filling in the details, including the definition of "net profits." The parties were unable to agree and instead submitted competing forms of judgment and related briefings. The Court has now set the form of its final judgment, including a definition of "net profits" that largely relies on U.S. generally accepted accounting principles.

Either party may appeal the portions of the Court's rulings that were unfavorable to that party within 30 days of entry of judgment by the Court. SIGA currently intends to appeal the judgment, but no assurance can be given that any such appeal will be successful.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits Exhibit No. Description 99.1 Press Release, dated June 1, 2012

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