Exhibit n.1
 
Consent of Independent Registered Public Accounting Firm
 
We consent to the reference to our firm under the caption “Experts” and to the use of our report dated January 30, 2006, except for Note 16, as to which the date is March 6, 2006, in the Registration Statement (Form N-2) and related Prospectus of Hercules Technology Growth Capital, Inc.
 
/s/ Ernst & Young
 
San Francisco, California
October 17, 2006