Coya Therapeutics To Present Novel Proof of Concept Exosome Modification Technology at the 5th Exosome Based Therapeutic Development Summit in Boston, MA on September 7, 2023

• Dr. Phil Campbell, Professor at Carnegie Mellon University (CMU), will present proof of concept data, on behalf of Coya, illustrating the ability to modify Regulatory T cell (Treg) exosomes to enable selective targeting of inflammatory sites while delivering cargo of interest;
• Technology requires no genetic modifications, overcomes prior limitations of exosome manipulation, and enables tethering of multiple potential proteins to the exosome surface and therapeutic agents in the exosome interior

Coya Therapeutics, Inc. (NASDAQ: COYA) (“Coya” or the “Company”), a clinical-stage biotechnology company developing multiple therapeutic platforms intended to enhance Treg function, including biologics and cell therapies, announced that Dr. Phil Campbell, Professor of Biomedical Engineering at CMU, will discuss novel proof of concept data in his presentation, “Rapid Functionalization of Treg Exosomes for Targeted Immunotherapy” at the 5^th Exosome Based Therapeutic Development Summit in Boston, MA on September 7, 2023. The meeting registration and agenda can be located here.

About Coya Therapeutics, Inc.

Headquartered in Houston, TX, Coya Therapeutics, Inc. (Nasdaq: COYA) is a clinical-stage biotechnology company developing proprietary treatments focused on the biology and potential therapeutic advantages of regulatory T cells (“Tregs”) to target systemic inflammation and neuroinflammation. Dysfunctional Tregs underlie numerous conditions including neurodegenerative, metabolic, and autoimmune diseases, and this cellular dysfunction may lead to a sustained inflammation and oxidative stress resulting in lack of homeostasis of the immune system. Coya’s investigational product candidate pipeline leverages multiple therapeutic modalities aimed at restoring the anti-inflammatory and immunomodulatory functions of Tregs. Coya’s lead therapeutic programs includes Treg-enhancing biologics (COYA 300 Series product candidates) COYA 301 and COYA 302, which are intended to enhance Treg function and expand Treg numbers. COYA 301 is a proprietary investigational recombinant human low dose IL-2 biologic for subcutaneous administration intended to enhance Treg function and expand Treg numbers in vivo, and COYA 302 is a dual-mechanism investigational biologic combination comprised of proprietary low dose IL-2 and proprietary CTLA4 Ig. The low dose IL-2 is intended to enhance anti-inflammatory regulatory T cell function and numbers while the fusion protein CTLA4 Ig is intended to suppress pro-inflammatory cell function. These two mechanisms may be additive or synergistic in suppressing inflammation. For more information about Coya, please visit www.coyatherapeutics.com

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