Vital Therapies Prices ~5.454M Share Offering @$5.50/Share

Vital Therapies, Inc.

today announced the pricing of an underwritten public offering of 5,454,546 newly issued shares of its common stock at a price to the public of $5.50 per share for gross proceeds of approximately $30.0 million. All of the shares are being sold by Vital Therapies. The offering is expected to close on or about October 28, 2015, subject to customary closing conditions. In addition, Vital Therapies has also granted the underwriter a 30-day option to purchase up to an additional 818,181 shares of its common stock at the public offering price, less the underwriting discounts and commissions. Vital Therapies currently plans to use the net proceeds from this offering for the continuing clinical development of the ELAD System, working capital and other general corporate purposes. BofA Merrill Lynch is acting as sole book-running manager for the offering. A shelf registration statement (File No. 333-204097) was filed with the Securities and Exchange Commission on May 12, 2015, and declared effective on May 26, 2015. A preliminary prospectus supplement related to the offering was filed with the