WD Completes Divestiture Of Assets To Toshiba Corporation

Sydney, Australia – May 17, 2012 – Western Digital Corp. today announced that it has completed its divestiture of certain 3.5-inch hard drive assets to Toshiba Corporation, as required by regulatory agencies that conditionally approved the company's completed acquisition of Viviti Technologies Ltd. (formerly Hitachi Global Storage Technologies).

The assets will enable Toshiba to manufacture and sell 3.5-inch hard drives for the desktop and consumer electronics markets and will enhance its ability to manufacture and sell 3.5-inch hard drives for near-line (business critical) applications.

As part of its deal with Toshiba, WD also completed its purchase of Toshiba Storage Device (Thailand) Company Limited (TSDT), which manufactured hard drives prior to the recent Thailand flooding. The principal assets of TSDT are its Thailand property, facilities and employees, which WD plans to integrate into its Thailand operations. The financial terms of the two agreements were not disclosed.

About WD
WD, a storage industry pioneer and long-time leader, provides products and services for people and organizations that collect, manage and use digital information. The company designs and produces reliable, high-performance hard drives and solid state drives that keep users' data accessible and secure from loss. Its storage technologies serve a wide range of host applications including client and enterprise computing, embedded systems and consumer electronics, as well as its own storage systems. Its home entertainment products enable rich engagement with stored digital content.

WD was founded in 1970. The company's products are marketed to leading OEMs, systems manufacturers, selected resellers and retailers under the Western Digital, WD and HGST™ brand names. Visit the Investor section of the company's website (www.westerndigital.com) to access a variety of financial and investor information.