Dynavax Technologies Corporation
Feb 19, 2008

Dynavax Announces Fourth Quarter and Year-End 2007 Financial Results and Provides 2008 Financial Outlook

Revenues Increase for Quarter and Year-End, Per Share Net Loss Narrows

BERKELEY, Calif., Feb 19, 2008 (BUSINESS WIRE) -- Dynavax Technologies Corporation (Nasdaq:DVAX) today reported financial results for the fourth quarter and year ended December 31, 2007.

As of December 31, 2007, Dynavax reported cash, cash equivalents, marketable securities and investments held by Symphony Dynamo, Inc. (SDI) totaling $88.2 million. This compares to $86.2 million at December 31, 2006.

For the fourth quarter 2007, total revenues were $9.3 million, compared to $2.4 million reported for the fourth quarter in 2006. Total revenues were $14.1 million for the year ended December 31, 2007, compared to total revenues of $4.8 million reported last year. The significant increase in revenues for the final quarter and the year reflects research and development funding for the TLR9-based hepatitis B vaccine and asthma programs provided to Dynavax from two collaborative pharma partners, Merck and AstraZeneca. Additionally, revenues include an increase in NIH grant revenue primarily for the Dynavax universal flu program. The reported revenues do not include collaboration funding from Symphony Dynamo Inc. (SDI) for cancer and HCV clinical activities. On a pro forma basis, including the collaboration funding from SDI, revenues were $11.4 million for the fourth quarter 2007, compared to $6.9 million for the fourth quarter 2006; and revenues were $24.7 million for the year ended December 31, 2007, compared to $14.5 million for the same period in 2006.

For the fourth quarter 2007, total operating expenses were $23.3 million compared to $24.4 million for the fourth quarter 2006. For the year ended December 31, 2007, total operating expenses were $85.2 million compared to $69.8 million for the same period in 2006. The increase in operating expenses for the year resulted primarily from: increased clinical development and licensing activities related to the Company's product candidate HEPLISAV(TM) that was licensed to Merck in the fourth quarter of 2007; overall organizational growth including the operations of Dynavax Europe; and reimbursable expenses related to SDI programs. The 2007 operating expenses included a one-time $5 million patent license payment for the commercialization of HEPLISAV, and non-cash charges for stock-based compensation and amortization of intangible assets. Excluding one-time and non-cash charges, pro forma operating expenses were $22.0 million for the fourth quarter 2007 compared to $23.3 million for the fourth quarter 2006; and pro forma operating expenses were $75.7 million for the year ended December 31, 2007, compared to $61.7 million for the same period 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.

The net loss of $12.1 million, or $0.30 per share, reported for the fourth quarter 2007 was less than the net loss of $16.5 million, or $0.44 per share, for the same period in 2006. For the fourth quarter, the improvement in net loss reflected the increase in revenues, in particular, revenue associated with the signing of the Merck collaboration. Net loss for the year ended December 31, 2007 was $60.0 million, or $1.51 per share, compared to a net loss of $52.1 million, or $1.61 per share, for the same period in 2006. The year's wider net loss was due primarily to increased clinical development expenditures and overall organizational growth, offset somewhat by the significant increase in collaboration revenue. 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.

"Dynavax's TLR9-based products significantly advanced in 2007, highlighted by an important new worldwide research and development collaboration with Merck for HEPLISAV, the enhanced HBV vaccine now in Phase 3, and a restart of the TOLAMBA(TM) clinical program, both in the fourth quarter. Despite increased total operating expenses, we ended the year with an estimated two years of cash. Importantly, the HEPLISAV collaboration provided a $31.5 million upfront fee, reimbursement of late-stage development expenses and significant potential milestones. With TOLAMBA financed by Deerfield Management, we have funding for a trial that should provide threshold data for advancing the ragweed program to pivotal studies. Going forward, we expect to identify appropriate financing strategies for several of our TLR9-based internal programs, as well as an appropriate commercialization strategy for TOLAMBA," said Dino Dina, MD, president and chief executive officer.

2008 Financial Outlook

The following statements are forward-looking and are based on current expectations. Actual results may differ materially. These statements do not include the potential impact of any equity offerings, new business collaborations, or other transactions that may be closed or entered into after February 19, 2008.

The Company's consolidated cash, cash equivalents, marketable securities and investments held by SDI, or total cash, is projected to be in the range of $40 to $44 million at the end of 2008.

Total pro forma revenues for 2008 are expected to be in the range of $42 to $46 million.

Total pro forma operating expenses for 2008 are expected to be in the range of $80 to $88 million.

Dynavax Webcast and Conference Call

Dynavax will webcast its conference call today at 4:15 p.m. ET (1:15 p.m. PT) to discuss its 4Q and Year-End 2007 Financial Results and 2008 Outlook. The live webcast can be accessed by visiting the Investors/Events section of the Company's website at www.dynavax.com or by linking directly to http://investors.dynavax.com/events.cfm. A replay of the webcast will be available on the Dynavax web site approximately two hours after the call is completed and will be archived for two weeks on the Investor/Events page of the Dynavax website.

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 partnered with Merck & Co., Inc.; TOLAMBA, a ragweed allergy immunotherapy in Phase 2; a therapy for metastatic colorectal cancer in Phase 1; and a therapy for hepatitis B in Phase 1. Our preclinical asthma and COPD program is partnered with AstraZeneca. The NIH partially funds our preclinical work on a vaccine for influenza. SDI funds our colorectal cancer and hepatitis C therapeutic programs, and Deerfield Management has committed funding for our allergy programs. While Deerfield, 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 our projected cash position and operating results. Actual results may differ materially from those set forth in this press release due to the risks and uncertainties inherent in our business, including: achievement of our Merck agreement collaboration objectives and milestones and regulatory approvals under our third party funding arrangements; continuation of our third party collaboration and funding arrangements; difficulties or delays in research and development; initiation and completion of clinical trials; the results of clinical trials and the impact of those results on the initiation and completion of subsequent trials and issues arising in the regulatory process; the scope and validity of patent protection and the possibility of 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.

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

                               Three Months Ended      Year Ended
                                  December 31,        December 31,
                               ------------------- -------------------
                                 2007      2006      2007      2006
                               --------- --------- --------- ---------
Revenues:
  Collaboration revenue        $  7,097  $  1,391  $  9,315  $  1,557
  Grant revenue                   1,198       222     3,046     1,549
  Service and license revenue     1,000       825     1,732     1,741
                               --------- --------- --------- ---------
Total revenues                    9,295     2,438    14,093     4,847

Operating expenses:
  Research and development (2)   18,183    19,981    65,888    50,116
  General and administrative
   (3)                            4,879     4,197    18,293    14,836
  Acquired in-process research
   and development                   --        --        --     4,180
  Amortization of intangible
   assets                           250       251     1,004       698
                               --------- --------- --------- ---------
Total operating expenses (1)     23,312    24,429    85,185    69,830
                               --------- --------- --------- ---------

Loss from operations            (14,017)  (21,991)  (71,092)  (64,983)

Interest and other income, net    1,571     1,125     4,165     3,287
Interest expense                 (1,631)      (30)   (1,719)      (99)
                               --------- --------- --------- ---------

Loss including noncontrolling
 interest in Symphony Dynamo,
 Inc.                           (14,077)  (20,896)  (68,646)  (61,795)

Amount attributed to
 noncontrolling interest in
 Symphony Dynamo, Inc.            2,001     4,441     8,675     9,743
                               --------- --------- --------- ---------

Net loss                       $(12,076) $(16,455) $(59,971) $(52,052)
                               ========= ========= ========= =========

Basic and diluted net loss per
 share                         $  (0.30) $  (0.44) $  (1.51) $  (1.61)
                               ========= ========= ========= =========
Shares used to compute basic
 and diluted net loss per share  39,765    37,645    39,746    32,339
                               ========= ========= ========= =========

(1) Total operating expenses excluding non-cash stock-based
 compensation charges were $22.3 million and $81.7 million for the
 fourth quarter and year ended December 31, 2007, respectively. Total
 operating expenses excluding non-cash stock-based compensation
 charges were $23.5 million and $66.5 million for the fourth quarter
 and year ended December 31, 2006, respectively.

(2) Research and development expenses included non-cash stock-based
 compensation charges of $0.3 million and $1.1 million for the fourth
 quarters and years ended December 31, 2007 and 2006, respectively.

(3) General and administrative expenses included non-cash stock-based
 compensation charges of $0.7 million and $2.4 million for the fourth
 quarter and year ended December 31, 2007, respectively. General and
 administrative expenses included non-cash stock-based compensation
 charges of $0.6 million and $2.2 million for the fourth quarter and
 year ended December 31, 2006, respectively.

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

                                    Three Months Ended   Year Ended
                                       December 31,     December 31,
                                    ------------------ ---------------
                                       2007     2006     2007    2006
                                    --------- -------- ------- -------

GAAP revenues                        $  9,295 $  2,438 $14,093 $ 4,847
ADD:
Collaboration funding incurred under
 SDI programs                           2,115    4,414  10,602   9,702
                                    --------- -------- ------- -------
Pro forma revenues (1)               $ 11,410 $  6,852 $24,695 $14,549
                                    ========= ======== ======= =======

(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 Ended    Year Ended
                                      December 31,      December 31,
                                   ------------------ ----------------
                                     2007      2006     2007    2006
                                   --------- -------- -------- -------

GAAP operating expenses             $ 23,312 $ 24,429 $ 85,185 $69,830
LESS:
Licensing fee                             --       --    5,000      --
Stock-based compensation expense       1,050      917    3,531   3,283
Acquired in-process research and
 development                              --       --       --   4,180
Amortization of intangible assets        250      251    1,004     698
                                   --------- -------- -------- -------
Pro forma operating expenses (2)    $ 22,012 $ 23,261 $ 75,650 $61,669
                                   ========= ======== ======== =======

(2) These pro forma amounts are intended to illustrate the Company's
 operating expenses excluding certain one-time and 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)

                                             December 31, December 31,
                                                 2007         2006
                                             ------------ ------------
Assets                                       (unaudited)
 Cash and cash equivalents and marketable
  securities (1)                                 $ 88,248     $ 86,194
 Property and equipment, net                        7,314        5,200
 Goodwill                                           2,312        2,312
 Other intangible assets, net                       3,239        4,382
 Other assets                                      19,336        4,802
                                             ------------ ------------
Total assets                                     $120,449     $102,890
                                             ============ ============

Liabilities, noncontrolling interest and
 stockholders' equity
 Current liabilities                             $ 19,904     $ 13,701
 Noncurrent portion of deferred revenue            40,792       10,000
 Liability from Program Option exercised
  under the SDI collaboration                      15,000           --
 Other long-term liabilities                        5,622          117
 Noncontrolling interest in Symphony Dynamo,
  Inc.                                              8,341        2,016
 Stockholders' equity                              30,790       77,056
                                             ------------ ------------
Total liabilities, noncontrolling interest
 and stockholders' equity                        $120,449     $102,890
                                             ============ ============

(1) These amounts also include investments held by Symphony Dynamo,
 Inc. of $31.6 million and $13.4 million as of December 31, 2007 and
 2006, respectively.

SOURCE: Dynavax Technologies Corporation

Dynavax Technologies Corporation
Deborah A. Smeltzer, 510-665-7222
VP Operations & Chief Financial Officer
dsmeltzer@dynavax.com

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