Dynavax Technologies Corporation
Jul 31, 2007

Dynavax Announces Second Quarter 2007 Financial Results

BERKELEY, Calif., July 31, 2007 /PRNewswire-FirstCall via COMTEX News Network/ --

Dynavax Technologies Corporation (Nasdaq: DVAX) today reported financial results for the second quarter and six months ended June 30, 2007.

As of June 30, 2007, Dynavax reported cash, cash equivalents, marketable securities and investments held by Symphony Dynamo, Inc. (SDI) totaling $82.6 million. This compares to $86.2 million at December 31, 2006.

"Both of Dynavax's advanced product candidates, HEPLISAV for the prevention of hepatitis B and TOLAMBA for the treatment of ragweed allergy, have progressed. With the expected completion of the pivotal HEPLISAV trial in Canada and in Europe, we have an opportunity to submit a BLA in 2008. The recently announced project financing from Deerfield Management for TOLAMBA provides us with the tools to design and implement studies that could, if successful, lead to a BLA submission. Clearly, these are accomplishments that underscore the broadly enabling product potential of our TLR9 agonist approach," said Dino Dina, MD, president and chief executive officer.

Total revenues were $1.8 million and $3.8 million for the three and six months ended June 30, 2007, respectively, compared to $0.5 million and $0.8 million for the same periods in 2006. The increase in revenues resulted from our collaboration with AstraZeneca, service and license revenue from customers of Dynavax Europe, and grant revenue primarily from the NIH. The reported revenues do not include collaboration funding from SDI. Including the collaboration funding from SDI, pro forma revenues were $4.9 million and $10.4 million, respectively, for the three and six months ended June 30, 2007, compared to $2.5 million and $2.8 million for the same periods in 2006.

Total operating expenses were $23.6 million and $41.7 million for the three and six months ended June 30, 2007, respectively, compared to $18.5 million and $27.7 million for the same periods in 2006. The increase in operating expenses resulted primarily from increased clinical development and licensing activities related to the Company's product candidate HEPLISAV(TM), the expansion of the Company's operations to include Dynavax Europe, and reimbursable expenses related to SDI programs. Operating expenses include a one-time $5 million license payment for the commercialization of HEPLISAV(TM), and non-cash charges for stock-based compensation, acquired in-process research and development and amortization of intangible assets resulting from the April 2006 acquisition of Rhein Biotech GmbH (Dynavax Europe). Excluding one-time and non-cash charges, pro forma operating expenses were $17.7 million and $34.7 million, respectively, for the three and six months ended June 30, 2007, compared to $13.4 million and $21.9 million for the same periods in 2006.

The tables included as part of this press release provide a reconciliation of GAAP revenues and operating expenses to pro forma revenues and operating expenses.

Net loss for the second quarter 2007 was $17.7 million, or $0.45 per share, compared to a net loss of $15.3 million, or $0.50 per share, for the same period in 2006. Net loss for the six months of 2007 was $30.8 million, or $0.78 per share, compared to a net loss of $23.4 million, or $0.77 per share, for the same period in 2006. The increase in net loss was due primarily to increased clinical development expenditures on the Company's product candidates and overall organizational growth. The increase in shares used to compute net loss per share resulted from the Company's equity financing activities completed in the fourth quarter 2006.

About Dynavax

Dynavax Technologies Corporation discovers, develops, and intends to commercialize innovative TLR9 agonist-based products to treat and prevent infectious diseases, allergies, cancer, and chronic inflammatory diseases using versatile, proprietary approaches that alter immune system responses in highly specific ways. Our TLR9 agonists are based on immunostimulatory sequences, or ISS, which are short DNA sequences that enhance the ability of the immune system to fight disease and control chronic inflammation. Our product candidates include: HEPLISAV, a hepatitis B vaccine in Phase 3; TOLAMBA, a clinical ragweed allergy immunotherapy; a therapy for non-Hodgkin's lymphoma (NHL) in Phase 2 and for metastatic colorectal cancer in Phase 1; and a therapy for hepatitis B also in Phase 1. Our preclinical asthma and COPD program is partnered with AstraZeneca. Our preclinical work on a vaccine for influenza is partially funded by the NIH. Our colorectal cancer trial and our preclinical hepatitis C therapeutic program are funded by Symphony Dynamo, Inc. While the NIH and SDI provide program support, Dynavax has retained rights to seek strategic partners for future development and commercialization. For more information, please visit http://www.dynavax.com.

This press release contains forward-looking statements that are subject to a number of risks and uncertainties, including statements about planned clinical trials and BLA submissions for our product candidates HEPLISAV and TOLAMBA and our financial position. Actual results may differ materially from those set forth in this press release due to the risks and uncertainties inherent in our business, including difficulties or delays in development and achieving our related timelines; achieving the objectives of our collaborative and licensing agreements such as our SDI and AstraZeneca arrangements; and obtaining regulatory approval for our products; the scope and validity of patent protection for our products; possible claims against us based on the patent rights of others; our ability to obtain additional financing to support our operations; and other risks detailed in the "Risk Factors" section of our Quarterly Report on Form 10-Q. We undertake no obligation to revise or update information herein to reflect events or circumstances in the future, even if new information becomes available.

                            -- Tables to follow --



                       DYNAVAX TECHNOLOGIES CORPORATION
                    CONSOLIDATED STATEMENTS OF OPERATIONS
                   (In thousands, except per share amounts)
                                 (Unaudited)

                                       Three Months Ended    Six Months Ended
                                             June 30,            June 30,
                                         2007      2006      2007       2006
    Revenues:
      Collaboration revenue              $752      $ --     $1,499      $ --
      Service and license revenue         461       224        570       224
      Grant revenue                       587       305      1,715       593
    Total revenues                      1,800       529      3,784       817

    Operating expenses:
      Research and development (2)     19,164    10,762     32,796    17,354
      General and administrative (3)    4,206     3,380      8,386     5,983
      Acquired in-process research
       and development                     --     4,180         --     4,180
      Amortization of intangible
       assets                             252       196        503       196
    Total operating expenses (1)       23,622    18,518     41,685    27,713

    Loss from operations              (21,822)  (17,989)   (37,901)  (26,896)

    Interest and other income, net      1,081       685      2,054     1,420

    Loss including noncontrolling
     interest in Symphony Dynamo,
     Inc.                             (20,741)  (17,304)   (35,847)  (25,476)

    Amount attributed to
     noncontrolling interest in
     Symphony Dynamo, Inc.              3,037     2,031      5,053     2,031

    Net loss                         $(17,704) $(15,273)  $(30,794) $(23,445)

    Basic and diluted net loss per
     share                             $(0.45)   $(0.50)    $(0.78)   $(0.77)
    Shares used to compute basic
     and diluted net loss per share    39,741    30,536     39,734    30,524


    (1) Total operating expenses excluding non-cash stock-based compensation
        charges are $22.9 million and $40.2 million for the three and six
        months ended June 30, 2007, respectively. Total operating expenses
        excluding non-cash stock-based compensation charges are $17.8 million
        and $26.3 million for the three and six months ended June 30, 2006,
        respectively.
    (2) Research and development expenses included non-cash stock-based
        compensation charges of $0.3 million and $0.5 million for the three
        and six months ended June 30, 2007, respectively. Research and
        development expenses included non-cash stock-based compensation
        charges of $0.3 million and $0.6 million for the three and six months
        ended June 30, 2006, respectively.
    (3) General and administrative expenses included non-cash stock-based
        compensation charges of $0.4 million and $1.0 million for the three
        and six months ended June 30, 2007, respectively. General and
        administrative expenses included non-cash stock-based compensation
        charges of $0.5 million and $0.8 million for the three and six months
        ended June 30, 2006, respectively.



                       DYNAVAX TECHNOLOGIES CORPORATION
            RECONCILIATION OF GAAP REVENUES TO PRO FORMA REVENUES
                                (In thousands)
                                 (Unaudited)

                                               Three Months      Six Months
                                                  Ended             Ended
                                                 June 30,         June 30,
                                              2007     2006     2007    2006

    GAAP revenues                           $1,800     $529   $3,784    $817
    ADD:
    Collaboration funding incurred under
     SDI programs                            3,136    1,998    6,632   1,998
    Pro forma revenues (1)                  $4,936   $2,527  $10,416  $2,815


    (1) These pro forma amounts are intended to illustrate the company's
        revenues to be inclusive of collaboration funding provided for the SDI
        programs. The collaboration funding is reflected in the amount
        attributed to the noncontrolling interest in SDI in the company's
        consolidated statement of operations, but would have been reported as
        revenue if SDI's results of operations were not consolidated with
        those of the company. Management of the company believes the pro forma
        results are a more useful measure of the company's revenues because it
        provides investors the ability to evaluate the company's operations in
        the manner that management uses to assess the continued progress of
        programs funded under the SDI arrangement. These pro forma results are
        not in accordance with, or an alternative for, generally accepted
        accounting principles and may be different from pro forma measures
        used by other companies.



                       DYNAVAX TECHNOLOGIES CORPORATION
  RECONCILIATION OF GAAP OPERATING EXPENSES TO PRO FORMA OPERATING EXPENSES
                                (In thousands)
                                 (Unaudited)

                                            Three Months       Six Months
                                                Ended             Ended
                                               June 30,          June 30,
                                            2007     2006     2007      2006

    GAAP operating expenses               $23,622  $18,518   $41,685   $27,713
    LESS:
    Licensing fee                           5,000       --     5,000        --
    Stock-based compensation expense          698      730     1,497     1,396
    Acquired in-process research and
     development                               --    4,180        --     4,180
    Amortization of intangible assets         252      196       503       196
    Pro forma operating expenses (2)      $17,681  $13,412   $34,685   $21,941


    (2) These pro forma amounts are intended to illustrate the company's
        operating expenses excluding certain non-cash charges in accordance
        with the financials that management uses to evaluate the company's
        operations. These pro forma results are not in accordance with, or an
        alternative for, generally accepted accounting principles and may be
        different from pro forma measures used by other companies.



                       DYNAVAX TECHNOLOGIES CORPORATION
                         SELECTED BALANCE SHEET DATA
                                (In thousands)

                                                       June 30,   December 31,
                                                         2007         2006
    Assets                                            (unaudited)
      Cash and cash equivalents and marketable
       securities (1)                                  $82,578      $86,194
      Property and equipment, net                        6,040        5,200
      Goodwill                                           2,312        2,312
      Other intangible assets, net                       3,879        4,382
      Other assets                                       3,673        4,802
    Total assets                                       $98,482     $102,890

    Liabilities, noncontrolling interest and
     stockholders' equity
      Current liabilities                              $13,589      $13,701
      Noncurrent portion of deferred revenue            10,000       10,000
      Other long-term liabilities                        9,531          117
      Noncontrolling interest in Symphony Dynamo, Inc.  17,514        2,016
      Stockholders' equity                              47,848       77,056
    Total liabilities, noncontrolling interest
     and stockholders' equity                          $98,482     $102,890


    (1) These amounts also include investments held by Symphony Dynamo, Inc.
        of $35.1 million as of June 30, 2007.



SOURCE Dynavax Technologies Corporation

Deborah A. Smeltzer, VP Operations & Chief Financial Officer of Dynavax
Technologies Corporation, +1-510-665-7222, dsmeltzer@dynavax.com
http://www.dynavax.com

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