Tonix Pharmaceuticals Holding Corp

We maintain our principal office at 26 Main Street, Suite 101, Chatham, New Jersey 07928. Our telephone number at that office is (862) 799-8599 and our fax number is (212) 923-5700. On August 28, 2020, we entered into a lease, whereby we agreed to lease new office space, commencing September 2020 and expiring December 2025. In connection therewith, we maintain a letter of credit, which has a remaining balance of $142,407 as of December 31, 2023, and such amount is deposited into the restricted cash account maintained at the bank that issued the letter of credit.

We own a research and development facility in Maryland used for process development activities. As of August, 1 2022, the asset was operational and the asset was ready for its intended use.

We own an approximately 44-acre site in Hamilton, Montana, for the construction of a vaccine development and commercial scale manufacturing facility. As of December 31, 2023, the facility was not ready for its intended use.

We own a 45,000 square foot facility in Massachusetts that houses our Advanced Development Center for accelerated development and manufacturing of vaccines. As of October 1, 2022, the facility was operational and ready for its intended use.

Future minimum lease payments are as follows (in thousands):

We believe that our existing facilities are suitable and adequate to meet our current business requirements.