EXHIBIT 99.1

Vical Reports 2013 Financial Results and Progress in Key Development Programs

SAN DIEGO, Feb. 12, 2014 (GLOBE NEWSWIRE) -- Vical Incorporated (Nasdaq:VICL) today reported financial results for the year ended December 31, 2013. The net loss for 2013 was $31.2 million, or $0.36 per share, compared with a net loss of $22.9 million, or $0.27 per share, for 2012. Revenues for 2013 were $7.7 million, compared with revenues of $17.5 million for 2012, reflecting lower payments from Astellas Pharma Inc. under an exclusive worldwide license of ASP0113, Vical's therapeutic vaccine designed to control cytomegalovirus (CMV) reactivation in transplant recipients.

Vical had cash and investments of approximately $55 million at December 31, 2013. The company's net cash burn for the second half of 2013 was $14.1 million which was consistent with the company's prior guidance. The company is projecting net cash burn for 2014 of between $13 million and $16 million.

Program highlights include:

Herpes Simplex Vaccine

ASP0113 CMV Vaccine

Conference Call

Vical will conduct a conference call and webcast today, February 12, at noon Eastern Time, to discuss the company's financial results and program updates with invited participants. The call and webcast are open on a listen-only basis to any interested parties. To listen to the conference call, dial in approximately ten minutes before the scheduled call to (719) 457-1035 (preferred), or (888) 510-1765 (toll-free), and reference confirmation code 7863802. A replay of the call will be available for 48 hours beginning about two hours after the call. To listen to the replay, dial (719) 457-0820 (preferred) or (888) 203-1112 (toll-free) and enter replay passcode 7863802. 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 ir@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, in which the expressed protein is an immunogen; and cardiovascular therapies, in which the expressed protein is an angiogenic growth factor. The company is developing certain infectious disease vaccines 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. Forward-looking statements include net cash use guidance, as well as anticipated developments in independent and collaborative programs, including the initiation of clinical trials. Risks and uncertainties include whether Vical or others will continue development of ASP0113, Vical's HSV-2 vaccine or any other independent or collaborative programs; whether the Phase 3 trial protocol for ASP0113 will support full approval for the HCT indication; whether Vical will achieve levels of revenues and control expenses to meet its financial projections; 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; 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 Three Months Ended Dec. 31, Twelve Months Ended Dec. 31,
(in thousands, except per share amounts) 2013 2012 2013 2012
Revenues:        
Contract and grant revenue $ 2,230 $ 1,909 $ 5,846 $ 6,176
License and royalty revenue  915  410  1,872  11,343
Total revenues  3,145  2,319  7,718  17,519
Operating expenses:        
Research and development  2,478  3,439  14,558  17,340
Manufacturing and production  1,194  3,797  12,698  13,055
General and administrative  1,695  2,659  11,814  10,557
Total operating expenses  5,367  9,895  39,070  40,952
Loss from operations  (2,222)  (7,576)  (31,352)  (23,433)
Net investment and other income (expense)  30  27  114  534
Net loss $ (2,192) $ (7,549) $ (31,238) $ (22,899)
Basic and diluted net loss per share $ (0.03) $ (0.09) $ (0.36) $ (0.27)
Weighted average shares used in computing basic and diluted net loss per share  87,064  86,504  86,840  85,966
         
         
Balance Sheets     December 31, December 31,
(in thousands)     2013 2012
Assets:        
Cash, cash equivalents, and marketable securities, including restricted     $ 53,497 $ 83,857
Other current assets      4,590  2,152
Total current assets      58,087  86,009
Long-term investments      1,980  2,225
Property and equipment, net      3,935  5,284
Other assets      2,351  3,004
Total assets     $ 66,353 $ 96,522
         
Liabilities and stockholders' equity:        
Current liabilities     $ 3,653 $ 5,779
Long-term liabilities      1,288  1,657
Stockholders' equity      61,412  89,086
Total liabilities and stockholders' equity     $ 66,353 $ 96,522
CONTACT: Andrew Hopkins
         (858) 646-1127

         Anthony Ramos
         Vice President and Chief Accounting Officer

         Website: www.vical.com