On March 7, 2024, BioSig Technologies Inc. issued a Promissory Note to an investor for $500,000. The company designated its 12% Notes due 2026, in accordance with exemptions from registration under the Securities Act of 1933, as amended (the Securities Act"). The Note is due March 7, 2026.

The Company promises to pay interest in cash on the unpaid principal amount of this Note at a rate per annum equal to 12%, commencing to accrue on the date hereof and payable on the Maturity Date or earlier prepayment as provided therein. The company may prepay all or any portion of the principal amount of the Note at any time or from time to time without penalty. The Note was issued pursuant to an exemption from registration under Section 4(a)(2) of the Securities Act of 1933, as amended.