Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the use in this Registration Statement on Form S-1 of SIGA Technologies, Inc. of our report dated March 4, 2016 relating to the financial statements and the effectiveness of internal control over financial reporting of SIGA Technologies, Inc., which appears in such Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
New York, New York
August 22, 2016
