Exhibit
2.s.2
POWER OF
ATTORNEY
KNOW ALL MEN BY THESE PRESENT, the undersigned hereby constitutes and
appoints David Gladstone and Terry Brubaker and each of them, his true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him and in his name, place,
and stead, in any and all capacities, to sign any and all amendments to the Registration
Statement on Form N-2 (Registration No. 333-160720) filed by Gladstone Investment
Corporation and any registration statement filed pursuant to Rule 462(b) under the Securities Act
of 1933, as amended, and to file the same, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact and agents full power and authority to do and perform each
and every act and thing requisite and necessary to be done in and about the premises, as fully to
all intents and purposes as he might or could do in person, hereby ratifying and confirming all
that said attorneys-in-fact and agents, or their substitute or substitutes, may lawfully do or cause
to be done by virtue hereof.
/s/ John Reilly
John Reilly
Director
Date: June 17, 2011