Tetraphase Pharmaceuticals Announces Pricing of Initial Public Offering

Tetraphase Pharmaceuticals (TTPH) today announced the pricing of its IPO of 10,714,286 shares of common stock at a price to the public of $7.00 per share, less underwriting discounts and commissions. Tetraphase's common stock is expected to begin trading on the NASDAQ Global Market under the symbol "TTPH" on March 20, 2013.