NOTE 16 – LICENSE AGREEMENTS WITH COLUMBIA UNIVERSITY 

On February 13, 2023, Tonix exercised an option to obtain an exclusive license from Columbia University (“Columbia) for the development of a portfolio of both fully human and murine mAbs for the treatment or prophylaxis of SARS-CoV-2 infection, including our TNX-3600 and TNX-4100 product candidates, respectively. The licensed mAbs were developed as part of a research collaboration and option agreement between Tonix and Columbia. As of December 31, 2023, other than the upfront fee, no payments have been accrued or paid in relation to this agreement.