 The gross proceeds of the offering to the Company are expected to be approximately 40,000,000, before deducting the underwriting discounts and commissions and other estimated offering expenses. In addition, Marinus has granted the underwriters a 30-day option to purchase up to an additional 2,400,000 shares of common stock at the public offering price, less underwriting discounts and commissions. Cowen and Cantor Fitzgerald Co. are acting as lead book-running managers for the offering. 