SNSS Sunesis Pharmaceuticals Inc

Sunesis Pharmaceuticals, Inc. (Nasdaq:SNSS) today announced that Daniel Swisher, Chief Executive Officer of Sunesis, will be presenting at the Oppenheimer 22nd Annual Healthcare Conference on Tuesday, December 13, 2011 at 9:40 AM Eastern Time at the Waldorf=Astoria in New York City.

A live webcast of the presentation will be available on the Sunesis website at http://ir.sunesis.com. A replay of the webcast will be archived on the "Calendar of Events" page in the Investors and Media section of the Sunesis website for two weeks.

About Sunesis Pharmaceuticals

Sunesis is a biopharmaceutical company focused on the development and commercialization of new oncology therapeutics for the treatment of solid and hematologic cancers. Sunesis has built a highly experienced cancer drug development organization committed to advancing its lead product candidate, vosaroxin, in multiple indications to improve the lives of people with cancer. For additional information on Sunesis, please visit www.sunesis.com.

SUNESIS and the logo are trademarks of Sunesis Pharmaceuticals, Inc.

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CONTACT: Investor and Media Inquiries:
         David Pitts
         Argot Partners
         212-600-1902
         
         Eric Bjerkholt
         Sunesis Pharmaceuticals Inc.
         650-266-3717