SUNNYVALE, CALIF — August 9, 2004 —Bringing a new level of security to desktop and mobile PC computing, AMD (NYSE: AMD) today announced that with the release of Microsoft® Windows® XP Service Pack 2 (SP2), Enhanced Virus Protection (EVP) can now be enabled on all AMD Athlon™ 64 processors.* This unique hardware and software combination is designed to keep computers protected against certain malicious viruses, computer worms and Trojan horses. AMD Athlon 64 processor customers can now feel more secure performing computing tasks such as e-mailing, sharing music files, and downloading photos, games, and other graphic-intensive computing applications.