SANTA CLARA, CA May 16, 2008 Sun Microsystems, Inc. (NASDAQ: JAVA) today announced that five Sun women have been awarded prestigious honors from top Silicon Valley organizations. Susan Landau, distinguished engineer, has been named the Anita Borg Institute 2008 Women of Vision Award winner in the Social Impact category. The YWCA of Silicon Valley has awarded four Sun employees a 2008 Tribute to Women (TWIN) award: Cheryl Cook, vice president of sales; Beverly Glasser, senior director of IT; Noreen Krall, vice president and chief intellectual property officer; and Karen Tegan Padir, vice president, software infrastructure.

"These award winners are instrumental to Sun's business, inspiring not only women but the entire Sun community," said Shari Slate, chief diversity officer and director of global inclusion at Sun Microsystems. "Their technical and leadership excellence are clear examples of what it means to succeed individually and as part of a team."

The Women of Vision Awards, hosted by the Anita Borg Institute Board of Trustees, honored women making significant contributions to technology. One winner was selected in each category: Innovation, Leadership, and Social Impact. Nominees were submitted by high-tech companies, universities, private industry, and the public. The award reception took place May 8, 2008 at the Fairmont Hotel in San Jose.

Each year YWCA of Silicon Valley honors the top women at leading organizations that have had a substantial impact on the organization relative to its growth, profitability, and innovation. Winners have outstanding leadership qualities and are successful role models for other women transitioning into executive positions. Winners were honored on May 15, 2008 at the Fairmont Hotel in San Jose.