Sun Microsystems to Report First Quarter Fiscal 2009 Financial Results on October 30, 2008

Sun Microsystems, Inc. (Nasdaq:JAVA) will report its first quarter fiscal year 2009 financial results on Thursday, October 30, 2008. The company will host a conference call to review the results beginning at 1:30 p.m. PT / 4:30 p.m. ET. The general public can access the financial results and listen to the call via Sun’s Investor Relations website at .

Sun periodically webcasts company announcements, product launch events and executive presentations which can be viewed via its website at . Sun encourages investors to check this website frequently for updates. In addition, Sun provides timely notifications of the company’s material news including SEC filings, investor events, press releases and CEO blog postings as part of the Official Investor Communications section of its website. For more information about Sun’s syndicated content service or RSS Feeds, please visit . To subscribe to Sun’s Newswire Service for email-based updates on the company’s latest news, please visit .

About Sun Microsystems, Inc.

Sun Microsystems develops the technologies that power the global marketplace. Guided by a singular vision — “The Network is the Computer” — Sun drives network participation through shared innovation, community development and open source leadership. Sun can be found in more than 100 countries and on the Web at .

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