Rexahn to Raise $10 Million in Registered Direct Offering

Rexahn to Raise $10 Million in Registered Direct Offering

ROCKVILLE, Md.--(BUSINESS WIRE)--Rexahn Pharmaceuticals, Inc. (NYSE Amex: RNN), a clinical stage pharmaceutical company commercializing potential best in class oncology and CNS therapeutics, today announced it has received commitments from certain institutional investors to purchase an aggregate of $10 million of Rexahn's securities in a registered direct offering. Rexahn expects to receive net proceeds of approximately $9.45 million after deducting placement agent fees and other offering expenses. Rexahn has entered into a securities purchase agreement with these investors pursuant to which Rexahn has agreed to sell an aggregate of approximately 6.67 million shares of its common stock and warrants exercisable for up to approximately 2.00 million additional shares of its common stock. Each unit, consisting of one share of common stock and a warrant to purchase 0.3 of a share of common stock, will be sold for a purchase price of $1.50.

The warrants to purchase additional shares will be exercisable at an exercise price of $1.90 per share beginning immediately and will expire four years from the date that the warrants are issued. All of the securities in this offering were offered pursuant to an effective shelf registration statement. The proceeds from the transaction will be used for further development of the Company's lead clinical programs, including the funding of Rexahn's Phase II clinical study program of Serdaxin®, ZoraxelTM and Archexin®, and other general corporate purposes. The closing of the offering is expected to take place on or about July 1, 2010, subject to the satisfaction of customary closing conditions.

Rodman & Renshaw, LLC, a wholly owned subsidiary of Rodman & Renshaw Capital Group, Inc. (Nasdaq: RODM), acted as the exclusive placement agent for this transaction.

The securities described above are being offered by Rexahn pursuant to a shelf registration statement that has been filed with the Securities and Exchange Commission (the "SEC") and has been declared effective. A prospectus supplement relating to the offering will be filed by Rexahn with the SEC. Copies of the prospectus supplement and accompanying prospectus may be obtained at the SEC's website at www.sec.gov, or from Rodman & Renshaw, LLC, 1251 Avenue of the Americas, 20th Floor, New York, NY 10020, or directly from Rexahn by contacting Rexahn Pharmaceuticals, Inc., 15245 Shady Grove Rd, Suite 455, Rockville, MD 20850.

This announcement is neither an offer to sell nor a solicitation of an offer to buy any shares of common stock, warrants or other securities of Rexahn. No offer, solicitation or sale will be made in any jurisdiction in which such offer, solicitation or sale is unlawful.

About Rexahn Pharmaceuticals, Inc.

Rexahn Pharmaceuticals Inc. is a clinical stage pharmaceutical company dedicated to commercializing first-in-class and market leading therapeutics for cancer, Central nervous System (CNS) disorders, sexual dysfunction and other unmet medical needs. Rexahn currently has three drug candidates in Phase II clinical trials, Archexin®, Serdaxin®, and ZoraxelTM - all potential best in class therapeutics - and a pipeline of preclinical compounds in development to treat multiple cancers and CNS disorders. Rexahn also operates key R&D programs of nano-medicines, and 3D-GOLD and TIMES drug discovery platforms. For more information, please visit www.rexahn.com.

Safe Harbor

To the extent any statements made in this press release deal with information that is not historical, these are forward-looking statements under the Private Securities Litigation Reform Act of 1995. Such statements include, but are not limited to, statements about Rexahn's plans, objectives, expectations and intentions with respect to future operations and products and other statements identified by words such as "will," "potential," "could," "can," "believe," "intends," "continue," "plans," "expects," "anticipates," "estimates," "may," other words of similar meaning or the use of future dates. Forward-looking statements by their nature address matters that are, to different degrees, uncertain. Uncertainties and risks may cause Rexahn's actual results to be materially different than those expressed in or implied by Rexahn's forward-looking statements. For Rexahn, particular uncertainties and risks include, among others, the difficulty of developing pharmaceutical products, obtaining regulatory and other approvals and achieving market acceptance; the marketing success of Rexahn's licensees or sublicensees; the success of clinical testing; and Rexahn's need for and ability to obtain additional financing. More detailed information on these and additional factors that could affect Rexahn's actual results are described in Rexahn's filings with the Securities and Exchange Commission, including its most recent annual report on Form 10-K and subsequent quarterly reports on Form 10-Q. All forward-looking statements in this news release speak only as of the date of this news release. Rexahn undertakes no obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.