SAN FRANCISCO -- June 11, 2003 -- Today at the JavaOne 2003 conference Sun Microsystems, Inc. (Nasdaq: SUNW) announced that HP has joined a group of industry leaders who will ship Sun's current compatible Java(tm) technology on their products, enabling consumers and enterprise users immediate access to rich Java desktop applications. This group now includes: Apple Computer, Inc., Dell Computer Corporation, HP, Lindows.com, Inc., Red Hat, Inc. To join a post general session teleconference please dial in to 866-215-1938 from 10.30 - 11.30 AM PT. Ask for the James Gosling Sun Microsystems press conference.

Sun Microsystems Broadens Support for Java Technology on the Desktop with HP Agreement

HP To Ship Sun's Latest Java Runtime Environment

SAN FRANCISCO -- June 11, 2003 -- Sun Microsystems, Inc. (Nasdaq: SUNW) today announced an agreement demonstrating broadening support for Java(tm) software on the desktop. Today's announcement underscores the value of Java software to consumers and reinforces the developer commitment to the Java platform.

Sun and HP Agreement

HP plans to ship the latest Java Runtime Environment (JRE) on a broad range of its business and consumer desktop and notebook PCs starting as early as the third quarter of this year. As a result, HP customers worldwide will easily be able to enjoy the latest content and applications created by more than three million developers.

"Sun is delighted that HP has chosen to offer its personal systems' customers the newest industry-standard Java technology. We expect that many more PC OEMs and large consumer application providers will also begin distributing the latest JRE from Sun," said Jonathan Schwartz, executive vice president of software, Sun Microsystems.

"Shipping Java technology from Sun on our desktops and notebook PCs will allow us to offer our customers a rich Web experience," said Robyn West, vice president of marketing, Americas Personal Systems Group, HP. "In addition to the millions of Web pages with fun, useful Java content on them today, this agreement also expands the exciting potential for developers to create more compelling content and applications in the years to come."

For consumers who purchase personal computers that do not yet offer the latest version of Java software, it can now be downloaded for free at http://java.com.

About Sun Microsystems, Inc.

Since its inception in 1982, a singular vision -- "The Network Is The Computer" -- has propelled Sun Microsystems, Inc. (Nasdaq: SUNW) to its position as a leading provider of industrial-strength hardware, software and services that make the Net work. Sun can be found in more than 100 countries and on the World Wide Web at http://sun.com

Sun, Sun Microsystems, the Sun logo, Java, JavaOne Developer Conference, The Network Is The Computer and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. UNIX is a registered trademark in the United States and other countries, exclusively licensed through X/Open Company, Ltd.