Theriva™ Biologics to Host Conference Call and Webcast to Discuss First Quarter 2023 Operational Highlights and Financial Results

Individuals may participate in the live call via telephone by dialing 1-877-451-6152 (domestic) or 1-201-389-0879 (international) and using the conference ID: 13738367. Participants are asked to dial in 15 minutes before the start of the call to register. Investors and the public can access the live and archived webcast of this call via the “News & Media” section of the company’s website, https://www.therivabio.com, under “Events” or by clicking here, up to 90 days after the call.