Hercules Capital (HTGC) 10-Q 2018 Q1 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002.

In connection with the Quarterly Report on Form 10-Q for the quarter ended March 31, 2018 (the “Report”) of Hercules Capital, Inc. (the “Registrant”), as filed with the Securities and Exchange Commission on the date hereof, I, Manuel A. Henriquez, the Chief Executive Officer of the Registrant, certify, to the best of my knowledge, that:

1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Date: May 3, 2018	By:	/S/ MANUEL A. HENRIQUEZ
		Manuel A. Henriquez
		Chairman, President, and
		Chief Executive Officer (Principal Executive Officer)