Sun Microsystems Strengthens Market-Leading Identity Management Portfolio with Intent to Acquire Vaau

SANTA CLARA, Calif. November 13, 2007 - Sun Microsystems, Inc. (NASDAQ: JAVA*) and Vaau, Inc. today announced that the two companies have entered into a definitive agreement pursuant to which Sun will acquire Vaau, a premier provider of Enterprise Role Management (ERM) and identity compliance solutions.