Pieris Pharmaceuticals, Inc. (NASDAQ: PIRS), a clinical-stage biotechnology company advancing novel biotherapeutics through its proprietary Anticalin technology platform for cancer, respiratory and other diseases, announced today the pricing of its previously announced underwritten public offering of 5,500,000 shares of its common stock at a public offering price of $8.00 per share. The gross proceeds from the offering, before deducting the underwriting discounts and commissions and other estimated offering expenses payable by Pieris, are expected to be $44.0 million. In addition, Pieris has granted the underwriters a 30-day option to purchase up to 825,000 additional shares of common stock at the public offering price, less the underwriting discounts and commissions. The offering is expected to close on or about February 16, 2018, subject to customary closing conditions.