Dynavax Prices Public Offering of Common Stock 
  BERKELEY, CA, Nov 03, 2011 (MARKETWIRE via COMTEX) -- Dynavax Technologies  Corporation (DVAX) today announced the pricing of a previously announced  underwritten public offering of 24,000,000 shares of its common stock, offered at  a price to the public of $2.50 per share. The gross proceeds to Dynavax from this  offering are expected to be $60 million, before deducting the underwriting  discount and other estimated offering expenses payable by Dynavax. Dynavax has  granted the underwriters a 30-day option to purchase at the public offering price  up to an aggregate of 3,600,000 additional shares of its common stock to cover  overallotments, if any. The offering is expected to close on or about November 8,  2011, subject to customary closing conditions. Dynavax anticipates using the net  proceeds from the offering primarily to fund activities in connection with the  anticipated approval and commercial launch of HEPLISAV(TM), and for other general  corporate purposes, including working capital. 
  Cowen and Company, LLC is acting as sole book-running manager for the offering  and William Blair & Company, L.L.C. is acting as co-manager. 
  The securities described above are being offered by Dynavax pursuant to a shelf  registration statement previously filed with the Securities and Exchange  Commission (the "SEC"), which the SEC declared effective on July 22, 2011. A  final prospectus supplement related to the offering will be filed with the SEC  and will be available on the SEC's website located at sec.gov. Copies  of the final prospectus supplement and the accompanying prospectus relating to  this offering, when available, may be obtained from Cowen and Company, LLC (c/o  Broadridge Financial Services, 1155 Long Island Avenue, Edgewood, NY, 11717,  Attn: Prospectus Department, Phone: 631-274-2806, Fax: 631-254-7140). 
  This press release shall not constitute an offer to sell or the solicitation of  an offer to buy these securities, 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 the registration or qualification under the securities  laws of any such state or other jurisdiction. 
  About Dynavax 
  Dynavax Technologies Corporation, a clinical-stage biopharmaceutical company,  discovers and develops novel products to prevent and treat infectious and  inflammatory diseases. The Company's lead product candidate is HEPLISAV, a Phase  3 investigational adult hepatitis B vaccine designed to provide rapid and  superior protection with fewer doses than current licensed vaccines.  |