PRESS RELEASE June 8, 2009

For the first time, system applications including Finder, Mail, iCal®, iChat® and Safari are 64-bit and Snow Leopard’s support for 64-bit processors makes use of large amounts of RAM, increases performance, and improves security while remaining compatible with 32-bit applications. Grand Central Dispatch (GCD) provides a revolutionary new way for software to take advantage of multicore processors. GCD is integrated throughout Snow Leopard, from new system-wide APIs to high-level frameworks and programming language extensions, improving responsiveness across the system. OpenCL, a C-based open standard, allows developers to tap the incredible power of the graphics processing unit for tasks that go beyond graphics.

Apple, the Apple logo, Mac, Mac OS, Macintosh, Snow Leopard, Finder, Time Machine, Safari, QuickTime, MobileMe, iTunes, iCal, iChat, Spotlight, Multi-Touch, Apple Store, Tiger, iLife, iWork, MacBook and iMac are trademarks of Apple. Other company and product names may be trademarks of their respective owners.