SUNNYVALE, CALIF. — July 19, 2004 —AMD (NYSE: AMD) today introduced the Mobile AMD Athlon™ 64 processor 3400+, bringing customers the highest performing 32-bit/64-bit processor designed for Windows®-based notebook PCs. The addition of the new Mobile AMD Athlon 64 processor 3400+ to the award-winning AMD64 processor family provides an even greater selection for powerful 32-bit computing today plus compatibility with tomorrow’s 64-bit software. Like all AMD64 processors, the latest Mobile AMD Athlon 64 processor offers an Enhanced Virus Protection security feature, to be enabled by the upcoming Microsoft® Windows XP Service Pack 2.