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
The undersigned, the Chief Executive Officer and Chairman of the
Board of Gladstone Capital Corporation (the
Company), hereby certifies on the date hereof,
pursuant to 18 U.S.C. § 1350(a), as adopted
pursuant to Section 906 of The Sarbanes-Oxley Act of 2002,
that the Annual Report on
Form 10-K
for the fiscal year ended September 30, 2010 (the
Form 10-K),
filed concurrently herewith by the Company, fully complies with
the requirements of Section 13(a) or Section 15(d) of
the Securities Exchange Act of 1934, as amended, and that the
information contained in the
Form 10-K
fairly presents, in all material respects, the financial
condition and results of operations of the Company.
Dated: November 22, 2010
David Gladstone
Chief Executive Officer