Exhibit
(a)(5)
CONSENT
OF PROPOSED DIRECTOR
Pursuant to Rule 438 promulgated under the Securities Act
of 1933, as amended, I hereby consent to be named in the
Registration Statement on
Form N-2
of Main Street Capital Corporation, and in all subsequent
amendments and post-effective amendments or supplements thereto,
including the prospectus contained therein, as a nominee for
director of Main Street Capital Corporation, a Maryland
corporation, and to all references to me in that connection.
Name: Michael Appling, Jr.
June 21, 2007