SYSTEMS

SANTA CLARA, Calif. -- Sun Microsystems, Inc. (NASDAQ:SUNW) today announced that quarter-to-quarter (Q/Q), Sun outperformed the overall UNIX server market in both unit and vendor revenue growth, and maintained its position as the worldwide leader in both categories, according to the 2Q03 Worldwide Server Database by Gartner Dataquest. The company's performance also resulted in growth in the overall OS category. "This year we've taken steps to realign our product mix and deliver the integrated, open, low-cost solutions that customers are demanding," said Larry Singer, Sun's senior vice president, global market strategies. "This is paying off with a positive movement over the past six months. And with the new solutions announced at this week's SunNetwork(TM) conference in San Francisco, Sun will continue along the path of delivering innovative products that reduce customer cost and complexity." Other specific performance metrics for Sun include: -- Quarter-to-quarter (Q/Q), Sun outperformed the overall UNIX server market in both units shipped and revenues. -- In both the EMEA and APAC geographies, Sun equaled the highest Q/Q UNIX server revenue market share gains. -- In the high-end ($500K and over) UNIX server space, Sun outperformed both HP and IBM on a Q/Q revenue basis. -- Sun maintained its our number one position in both shipments and revenue in the $25K to $100K All OS category.