Anacor Pharmaceuticals, Inc.
Dec 23, 2010

Anacor Pharmaceuticals Announces Exercise of Over-Allotment Option for Recent Initial Public Offering

PALO ALTO, Calif.--(BUSINESS WIRE)-- Anacor Pharmaceuticals, Inc. (NASDAQ:ANAC) today announced that the underwriters of its recently completed initial public offering of common stock have partially exercised their overallotment option and will purchase an additional 1,382,651 shares of common stock at the initial public offering price of $5.00 per share, less the underwriting discount. The sale of the additional shares is anticipated to close on December 28, 2010. Including proceeds from the sale of the additional shares, the gross proceeds, before expenses, from the initial public offering of a total of 13,382,651 shares of common stock and the concurrent private placement of 2,000,000 shares of common stock are approximately $76.9 million, and the net proceeds, after deducting underwriting discounts and commissions and estimated offering expenses, are approximately $71.0 million.

Citi and Deutsche Bank Securities Inc. acted as joint book-running managers for the initial public offering, and Cowen and Company, LLC and Wedbush PacGrow Life Sciences acted as co-managers for the initial public offering. The initial public offering was made only by means of a prospectus. Copies of the prospectus relating to the initial public offering may be obtained from Citi, Brooklyn Army Terminal, 140 58th Street, 8th floor, Brooklyn, NY 11220, or by calling (800) 831-9146 or emailing a request to and from Deutsche Bank Securities Inc., Attn: Prospectus Department, 100 Plaza One, Floor 2, Jersey City, NJ 07311, or by calling (800) 503-4611 or emailing a request to

The U.S. Securities and Exchange Commission declared a registration statement relating to these securities effective on November 23, 2010. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction.

About Anacor Pharmaceuticals

Anacor is a biopharmaceutical company focused on discovering, developing and commercializing novel small-molecule therapeutics derived from its boron chemistry platform. Anacor has discovered and is developing five clinical compounds, including its three lead programs: AN2690, a topical antifungal for the treatment of onychomycosis; AN2728, a topical anti-inflammatory PDE-4 inhibitor for the treatment of psoriasis; and GSK 2251052, or GSK ‘052 (formerly referred to as AN3365), a systemic antibiotic for the treatment of infections caused by Gram-negative bacteria, which has been licensed to GlaxoSmithKline under the companies' research and development agreement. In addition, Anacor is developing AN2718 as a topical antifungal product candidate for the treatment of onychomycosis and skin fungal infections, and AN2898 as a topical anti-inflammatory product candidate for the treatment of psoriasis and atopic dermatitis. For more information visit

Anacor Pharmaceuticals, Inc.
DeDe Sheel, 650-543-7575
Director, Investor Relations and Corporate Communications

Source: Anacor Pharmaceuticals, Inc.

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