NovaBay Pharmaceuticals Announces the Closing of its $5.2 Million Registered Direct Offering of Common Stock and Warrants

By July 5, 2011

(GLOBE NEWSWIRE) — NovaBay Pharmaceuticals, Inc. (NYSE-Amex: NBY) announced today that it has closed its previously announced registered direct offering for the sale of units consisting of (i) one share of common stock and (ii) one warrant to purchase 0.75 of a share of common stock (or a total of 3,488,005 shares), at a purchase price of $1.11 per unit. The warrants will be exercisable 180 days after issuance at $1.33 per share and will expire five years from the date of issuance. The shares of common stock and warrants are immediately separable and will be issued separately. There is not expected to be a public trading market for the units or the warrants.

NovaBay estimates the gross offering proceeds to be approximately $5.2 million. Proceeds from the transaction will be used for general corporate purposes, including clinical trial expenses, research and development expenses, and general and administrative expenses.

Roth Capital Partners acted as the exclusive placement agent for the transaction. Maxim Group LLC, Griffin Securities Inc. and LifeTech Capital, a division of Aurora Capital, acted as financial advisors to the company in the transaction.

All of the securities were offered pursuant to an effective shelf registration statement. A shelf registration statement relating to the shares of common stock and warrants issued in the offering (and the shares of common stock issuable upon exercise of the warrants) has been filed with, and declared effective by, the Securities and Exchange Commission (the “SEC”). A prospectus supplement relating to the offering has been filed with the SEC. Electronic copies of the prospectus supplement and accompanying prospectus may be obtained at the SEC’s website at http://www.sec.gov, or from the offices of Roth Capital Partners LLC, 24 Corporate Plaza Drive, Newport Beach, CA 92660, by requesting by telephone at (800) 678-9147, or via email at rothecm@roth.com. This press release shall not constitute an offer to sell or a solicitation of an offer to buy any of our shares of common stock or warrants. No offer, solicitation or sale will be made in any jurisdiction in which such offer, solicitation or sale is unlawful.

About NovaBay Pharmaceuticals, Inc.

NovaBay Pharmaceuticals is a clinical-stage biotechnology company focused on developing its proprietary and patented Aganocide compounds. These are novel, synthetic anti-infectives with activity against bacteria, fungi and viruses, and are being developed to treat and prevent a wide range of local, non-systemic infections with a low likelihood of developing bacterial resistance. NovaBay is focusing its technology on four distinct therapeutic areas: dermatology, ophthalmology, urology and hospital infections. In dermatology, the focus is on developing NVC-422 gel for impetigo. NovaBay has a collaboration agreement with Galderma, the leading dermatology company in the world. In ophthalmology, the goal is to develop an eye drop for conjunctivitis. In urology, NovaBay aims to reduce the incidence of urinary catheter blockage and encrustation (UCBE) and the potential for urinary tract infections with an irrigation solution containing NVC-422. In hospital infection, NovaBay is targeting chronic non-healing wounds, such as pressure, venous stasis and diabetic ulcers with its proprietary anti-infective solution, NeutroPhase®, which has received two 510(k) clearances from the Food and Drug Administration.

Investors:
NovaBay Pharmaceuticals Contacts
Thomas J. Paulson  
Chief Financial Officer
510-899-8809
Contact Thomas Paulson

Investors and Media:
The Investor Relations Group
Investor Relations:
Adam Holdsworth
212-825-3210
adam@investorrelationsgroup.com

Public Relations:
Laura Colontrelle
212-825-3210
laura@investorrelationsgroup.com

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