Nanosphere Prices $25.2 Million Public Offering of Common Stock

Nanosphere

today announced the pricing of its previously announced underwritten public offering of 10,500,000 shares of its common stock at a public offering price of $2.40 per share. In connection with the offering, the Company has also granted the underwriters a 30-day option to purchase up to an additional 1,575,000 shares of common stock to cover over-allotments, if any. Piper Jaffray & Co. is acting as the sole book-running manager and Roth Capital Partners is acting as co-manager for the offering. Net proceeds from the sale of the shares after underwriting discounts and commissions and other offering expenses are expected to be approximately $23.4 million. If the underwriters exercise their over-allotment option in full, net proceeds from the offering will be approximately $26.9 million. The offering is subject to customary closing conditions and is expected to close on Tuesday, July 24, 2012.