Title: Vical Reports First Quarter 2007 Financial Results; Highlights Progress in Key Development Programs

Date: 5/3/2007 6:30:00 AM

SAN DIEGO, May 3 /PRNewswire-FirstCall/ -- Vical Incorporated (Nasdaq: VICL) today reported financial results for the quarter ended March 31, 2007. Revenues for the first quarter of 2007 were $1.3 million, compared with revenues of $5.6 million for the first quarter of 2006. The net loss for the first quarter of 2007 was $9.6 million, or $0.24 per share, compared with a net loss of $4.5 million, or $0.16 per share, for the first quarter of 2006. The increase in net loss reflected spending to advance the company's pandemic influenza vaccine program through preclinical testing and to advance its Allovectin-7(R) melanoma program into a Phase 3 pivotal trial, as well as a decrease in contract manufacturing and grant revenues.

The company's first quarter 2007 financial results are consistent with its projection for a full year net loss of between $32 million and $35 million and a net cash burn, excluding equity investments, of $27 million to $30 million. Vical had cash and investments of $91 million at March 31, 2007.

    Significant Milestones in Cancer Programs
     *  Merial Limited received conditional approval of a DNA vaccine designed
        to treat melanoma in dogs -- the first-ever U.S. approval of a
        therapeutic cancer vaccine.  Vical's licensee, a joint venture of
        Merck & Co., Inc. and sanofi aventis, will distribute the vaccine
        initially through veterinary cancer specialists.

     *  Vical began its Phase 3 pivotal Allovectin-7(R) Immunotherapeutic for
        Metastatic Melanoma (AIMM) trial in chemotherapy-naive patients with
        recurrent Stage III or IV disease.  The trial was designed under a
        Special Protocol Assessment (SPA) with the U.S. Food and Drug
        Administration (FDA), and the trial cost is being funded through cash
        payments and equity investments by partner AnGes MG, Inc.  The primary
        endpoint of the trial is objective response rate after 24 weeks or
        more.

    Angiogenesis Partners Advancing toward Approvals
     *  The company's licensee, AnGes MG, Inc., is conducting an interim
        efficacy evaluation in its Japanese Phase 3 angiogenesis trial in
        patients with advanced peripheral arterial disease (PAD).  Positive
        data from patients already enrolled, which has been unblinded as each
        patient completes the treatment follow-up, could lead directly to a
        filing for accelerated marketing approval in Japan and initiation of a
        Phase 3 registration trial in the United States.

     *  The sanofi aventis group, Vical's other angiogenesis licensee, plans
        to initiate a pivotal Phase 3 trial in the second quarter of 2007 in
        approximately 500 PAD patients in 32 countries with a goal of reducing
        the need for amputations.  If the trial is successful, multinational
        filings for marketing approval are anticipated in 2009-2010.

    Increasing Applications for Vaxfectin(TM) Adjuvant
     *  The U.S. Navy agreed to explore the use of Vical's patented
        Vaxfectin(TM) adjuvant with experimental DNA vaccines against malaria.

     *  Vical's patents cover the use of Vaxfectin(TM) with conventional
        vaccines as well as DNA vaccines.  In a recently completed study in
        mice, a commercial seasonal influenza vaccine formulated with
        Vaxfectin(TM) generated up to 60-fold higher antibody responses than
        unformulated vaccine at the same dose and allowed a nearly 10-fold
        reduction in vaccine dose.  Results from the study suggest that
        Vaxfectin(TM) has the potential to be used as a dose-sparing agent
        with conventional vaccines against seasonal or possibly pandemic
        influenza strains.

     *  Vical anticipates initiation in the second half of 2007 of a Phase 1
        trial with the company's Vaxfectin(TM)-formulated pandemic influenza
        DNA vaccine.

    Upcoming Conferences

The company expects to present data from various research and development programs at a series of scientific conferences:

     *  The 11th International Betaherpes Virus Workshop (Toulouse, France,
        May 13-17),
     *  The DNA Vaccines 2007 conference (Malaga, Spain, May 23-25),
     *  The annual meeting of the American Society of Gene Therapy (Seattle,
        May 30-June 3), and
     *  The annual meeting of the American Society of Clinical Oncology
        (Chicago, June 1-5).

    Conference Call

Vical will conduct a conference call and webcast to discuss the financial results and program updates with invited analysts and institutional investors today, May 3, at noon Eastern Time. The call and webcast are open on a listen-only basis to any interested parties. To listen to the conference call, dial (888) 224-3260, or (913) 905-1086 for international participants. A replay of the call will be available for 48 hours beginning about two hours after the call. To listen to the replay, dial (888) 203-1112, or (719) 457- 0820 for international participants, and enter conference identification number 1970742. The call also will be available live and archived through the events page at www.vical.com. For further information, contact Vical's Investor Relations department by phone at (858) 646-1127 or by e-mail at info@vical.com.

About Vical

Vical researches and develops biopharmaceutical products based on its patented DNA delivery technologies for the prevention and treatment of serious or life-threatening diseases. Potential applications of the company's DNA delivery technology include DNA vaccines for infectious diseases or cancer, in which the expressed protein is an immunogen; cancer immunotherapeutics, in which the expressed protein is an immune system stimulant; and cardiovascular therapies, in which the expressed protein is an angiogenic growth factor. The company is developing certain infectious disease vaccines and cancer therapeutics internally. In addition, the company collaborates with major pharmaceutical companies and biotechnology companies that give it access to complementary technologies or greater resources. These strategic partnerships provide the company with mutually beneficial opportunities to expand its product pipeline and address significant unmet medical needs. Additional information on Vical is available at www.vical.com.

Forward-Looking Statements

This press release contains forward-looking statements subject to risks and uncertainties that could cause actual results to differ materially from those projected, including: whether Vical or others will continue development of Allovectin-7(R), the angiogenesis product candidates, the company's Vaxfectin(TM) adjuvant, the company's pandemic influenza vaccine candidate, or any other product candidates being developed by Vical, its collaborators or licensees; whether data from patients already enrolled in the AnGes Phase 3 trial will lead to filing for accelerated marketing approval in Japan or initiation of a Phase 3 registration trial in the United States; whether sanofi aventis will initiate a Phase 3 trial of its angiogenesis product by mid-2007, if at all, and if so, whether multinational filings for marketing approval will occur in 2009-2010, if at all; whether the U.S. Navy will explore the use of Vaxfectin(TM) with experimental DNA vaccines against malaria; whether Vical will begin human testing of its pandemic influenza vaccine as anticipated in the second half of 2007, if at all; whether Vaxfectin(TM) will be used as a dose-sparing agent with conventional vaccines against seasonal or pandemic influenza strains; whether the melanoma vaccine for dogs, Allovectin-7(R), the angiogenesis product candidates, the company's pandemic influenza vaccine candidate, or any other product candidates being developed by Vical, its collaborators or licensees will be shown to be safe and effective in clinical trials; the timing, nature and cost of clinical trials; whether the company will achieve levels of revenues and control expenses to meet projected financial performance; and additional risks set forth in the company's filings with the Securities and Exchange Commission. These forward-looking statements represent the company's judgment as of the date of this release. The company disclaims, however, any intent or obligation to update these forward-looking statements.

                                VICAL INCORPORATED
               Selected Condensed Financial Information (Unaudited)

    Statements of Operations
    (in thousands, except per share amounts)
                                                         Three Months Ended
                                                             March 31,
                                                       2007              2006
    Revenues:
      Contract and grant revenue                       $850            $5,579
      License and royalty revenue                       405                36
    Total revenues                                    1,255             5,615
    Operating expenses:
      Research and development                        5,875             4,644
      Manufacturing and production                    3,947             3,552
      General and administrative                      2,293             2,442
    Total operating expenses                         12,115            10,638
      Loss from operations                          (10,860)           (5,023)
      Net investment income                           1,263               550
    Net loss                                        $(9,597)          $(4,473)
    Basic and diluted net loss per share             $(0.24)           $(0.16)
    Shares used to calculate basic and
     diluted net loss per share                      39,182            28,290


    Balance Sheets                                  March 31,     December 31,
    (in thousands)                                   2007             2006

    Assets:
      Cash, cash equivalents, and
       marketable securities                        $90,665         $100,393
      Other current assets                            4,375            5,049
        Total current assets                         95,040          105,442
      Property and equipment, net                    13,394           13,500
      Other assets                                    5,985            6,307
    Total assets                                   $114,419         $125,249

    Liabilities and stockholders' equity:
      Current liabilities                            $6,703           $8,153
      Long-term obligations                           2,830            2,973
      Stockholders' equity                          104,886          114,123
    Total liabilities and stockholders' equity     $114,419         $125,249


     Contacts:     Alan R. Engbring
                   Executive Director, Investor Relations
                   (858) 646-1127

                   Jill M. Church
                   Vice President and Chief Financial Officer

                   Website:  www.vical.com
SOURCE  Vical Incorporated
    -0-                             05/03/2007
    /CONTACT:  Alan R. Engbring, Executive Director, Investor Relations, +1-
858-646-1127, or Jill M. Church, Vice President and Chief Financial Officer,
both of Vical Incorporated/
    /Web site:  http://www.vical.com/
    (VICL)

CO:  Vical Incorporated
ST:  California
IN:  MTC
SU:  ERN

KK
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1051 05/03/2007 06:30 EDT http://www.prnewswire.com