Vical Announces News Release and Conference Call Schedule for First Quarter 2015 Financial Results

Vical Incorporated (Nasdaq:VICL) today announced that the company will report financial results for the three months ended March 31, 2015, before the opening of trading on Friday, May 8, and conduct a conference call and webcast to discuss the financial results and provide a company update at noon Eastern Time on Friday, May 8. The call will be open on a listen-only basis to any interested parties. The company will also provide a business update, including details on independent and partnered development programs in the conference call and webcast.

Conference Call

To listen to the conference call, dial in approximately ten minutes before the scheduled call to [phone] (preferred), or [phone] (toll-free), and reference confirmation code 9556967. A replay of the call will be available for 48 hours beginning about two hours after the call. To listen to the replay, dial [phone] (preferred) or [phone] (toll-free) and enter replay passcode 9556967. The call also will be available live and archived through the events page at www.vical.com.

Invited participants may ask questions during the conference call. Others may submit questions before the call by e-mail addressed to [e-mail] or by fax to [phone]. Submitted questions will be screened for appropriateness and general interest. Selected questions received with sufficient notice before the call will be answered as time permits at the end of the call. For further information, contact Vical's Investor Relations department by phone at [phone] or by email at [e-mail].

About Vical

Vical develops biopharmaceutical products for the prevention and treatment of chronic or life-threatening infectious diseases, based on its patented DNA delivery technologies and other therapeutic approaches. Additional information on Vical is available at www.vical.com.

This press release contains forward-looking statements subject to risks and uncertainties that could cause actual results to differ materially from those projected. Forward-looking statements include statements about Vical's focus, collaborative partners, product candidates, and development status. Risks and uncertainties include whether any product candidates will be shown to be safe and efficacious in clinical trials; the timing of clinical trials; whether Vical or its collaborative partners will seek or gain approval to market any product candidates; the dependence of the company on its collaborative partners; 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.

CONTACT: Andrew Hopkins
         [phone]
         Website: www.vical.com