Tonix Pharmaceuticals (NASDAQ: TNXP) announced an agreement effective May 1, 2026, with a leading group purchasing organization providing coverage to approximately 35 million U.S. commercial lives, or about 20% of the commercial market, for TONMYA (cyclobenzaprine HCl sublingual tablets) under standard utilization management criteria. The company said the agreement marks a key step in expanding patient access to its FDA-approved, non-opioid fibromyalgia treatment, as it continues to pursue additional coverage across commercial and government channels, with existing Medicaid coverage in 38 states representing approximately 55 million lives.

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About Tonix Pharmaceuticals Holding Corp.

Tonix Pharmaceuticals is a fully-integrated, commercial-stage biotechnology company focused on central nervous system (CNS) and immunology treatments in areas of high unmet medical need. TONMYA(TM) (cyclobenzaprine HCl sublingual tablets 2.8mg), the Company’s recently approved flagship medicine, is the first new treatment for fibromyalgia in more than 15 years. Tonix’s CNS commercial infrastructure supports its marketed products, including its acute migraine products, Zembrace(R) SymTouch(R) and Tosymra(R). Tonix is maximizing the science behind TONMYA in Phase 2 clinical trials to evaluate its potential in major depressive disorder and acute stress disorder. In addition, the company’s CNS portfolio includes TNX-2900, which is Phase 2 ready for the treatment of Prader-Willi syndrome, a rare disease. Tonix is also advancing a pipeline of immunology programs, including monoclonal antibody TNX-4800 for Lyme disease prophylaxis and TNX-1500, a third-generation CD40 ligand inhibitor for the prevention of kidney transplant rejection.

* Tonix’s product development candidates are investigational new drugs or biologics; their efficacy and safety have not been established and have not been approved for any indication.

NOTE TO INVESTORS: The latest news and updates relating to TNXP are available in the company’s newsroom at https://ibn.fm/TNXP

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