SNSS Sunesis Pharmaceuticals Inc

Sunesis Pharmaceuticals, Inc. (Nasdaq:SNSS) today announced that Daniel Swisher, Chief Executive Officer of Sunesis, will present at two upcoming conferences:

• Stifel Nicolaus 2011 Healthcare Conference Friday, September 9th at 9:45 AM Eastern Time Four Seasons Hotel, Boston   
• Rodman & Renshaw 13th Annual Healthcare Conference Tuesday, September 13th at 12:05 PM Eastern Time Waldorf=Astoria, New York City

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

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.

The Sunesis Pharmaceuticals, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=8773

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

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