1.
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I
have reviewed this quarterly report on Form 10-QSB of Rexahn
Pharmaceuticals, Inc.;
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2.
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Based
on my knowledge, this quarterly report does not contain any untrue
statement of a material fact or omit to state a material fact necessary
to
make the statements made, in light of the circumstances under which
such
statements were made, not misleading with respect to the period
covered by
this quarterly report;
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3.
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Based
on my knowledge, the financial statements, and other financial
information
included in this quarterly report, fairly present in all material
respects
the financial condition, results of operations and cash flows of
the small
business issuer as of, and for, the periods presented in this quarterly
report;
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4.
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The
small business issuer's other certifying officer and I are responsible
for
establishing and maintaining disclosure controls and procedures
(as
defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the small
business issuer and have:
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5.
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The
small business issuer's other certifying officer and I have disclosed,
based on my most recent evaluation, to the small business issuer's
auditors and the audit committee of the small business issuer's
board of
directors (or persons performing the equivalent
functions):
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/s/
Chang H. Ahn
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Chang
H. Ahn
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Chief
Executive Officer
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