SIGA to Host Business Update Webcast & Call on May 7

Key Highlights

• SIGA Technologies to host a webcast and conference call for a business update.
• The call is scheduled for Thursday, May 7, 2026, at 4:30 P.M. ET.
• CEO Diem Nguyen and CFO Daniel Luckshire will participate in the call.
• A live webcast will be available on the Company's website at www.siga.com in the Investor Relations section.
• Domestic callers can access by dialing 1-800-717-1738; international callers 1-646-307-1865.
• A replay will be available for two weeks using Conference ID: 1158847.