FORM OF WARRANT AGENT AGREEMENTForm of Warrant Agent Agreement • April 23rd, 2021 • Protagenic Therapeutics, Inc.\new • Services-business services, nec • New York
Contract Type FiledApril 23rd, 2021 Company Industry JurisdictionTHIS WARRANT AGENT AGREEMENT (this “Agreement”) is dated April [ ], 2021, between PROTAGENIC THERAPEUTICS, INC., a Delaware corporation (the “Company”), and AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC, acting as warrant agent (the “Warrant Agent”).