SANTA CLARA, Calif., Aug. 24, 2005 -- Sun Microsystems, Inc. today announced that, according to 2Q05 Worldwide Server Database by Gartner Dataquest, Sun is the number one UNIX platform server vendor in the world, in both revenue and unit shipments. According to Gartner, Sun also reclaimed the number three position in all OS revenue.

Highlights from Gartner:

• Sun is number 1 in worldwide UNIX server revenue.
• Sun is number 1 in worldwide UNIX server shipment.
• Sun increased its Sun X86-64 platform server revenue year-to-year by 378.6%.
• Sun increased its X86-64 unit year-to-year shipments by 274.6%.
• Sun is number 1 in worldwide UNIX+ Sun Linux platform unit shipments.
• Sun reclaimed the number three position in all OS server revenue.

About Sun Microsystems, Inc.

A singular vision -- "The Network Is The Computer" -- guides Sun in the development of technologies that power the world's most important markets. Sun's philosophy of sharing innovation and building communities is at the forefront of the next wave of computing: the Participation Age. Sun can be found in more than 100 countries and on the Web at http://sun.com

Sun, Sun Microsystems, the Sun logo, Java, StarOffice, Solaris, and The Network Is The Computer are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries.