 PALO ALTO, Calif.--BUSINESS WIRE--Hercules Capital, Inc. NYSE: HTGC Hercules or the Company, today announced that it has closed an underwritten public offering of 325.0 million in aggregate principal amount of 2.625 notes due 2026 the Notes. The Notes are unsecured and bear interest at a rate of 2.625 per year, payable semiannually and will mature on September 16, 2026 and may be redeemed in whole or in part at any time or from time to time at the Companys option at par, plus 