WD Extends Its Line of Mac Compatible External Hard Drives

New Mac Formatted Drives Offer Simplicity and Value

SAN FRANCISCO, Jan. 6 /PRNewswire-FirstCall/ — Macworld Expo Booth No. 211
– Broadening its storage solutions for Mac, WD (NYSE: WDC), the world
leader in external storage solutions, today introduced two new external
hard drives — the My Passport for Mac portable drive and the My Book Mac
Edition external hard drive. Pre-formatted for Mac and offering a simple
USB interface, these drives offer the ever-growing Mac community reliable,
easy-to-use storage. WD’s latest Mac-ready drives work seamlessly with
Apple Time Machine or other popular Mac backup software to provide
protection for consumers’ valuable digital photos and media.

My Passport for Mac portable storage devices feature a sleek design in a
shock-resistant enclosure and are available in capacities of 320 GB and 500
GB. The new My Book Mac Edition drives are equipped with power-saving WD
hard drives with GreenPower(1) technology, USB 2.0 interface and 1 TB of

“WD listened to the Mac community who wanted the simplicity of a USB
external drive that complements the design of their Mac computer. Now our
users can choose from a full range of storage solutions that are ready to
use with their Mac computers right out of the box,” said Jim Welsh, senior
vice president and general manager of WD’s branded products and consumer
electronics groups. “From the sleek design of the new My Passport for Mac,
to the use of the eco-friendly hard drive technology on the My Book Mac
Edition, WD continues to deliver what Mac users are looking for.”

My Passport for Mac portable drives feature:

— Compatibility with Apple Time Machine;

— A shock-resistant enclosure designed to guard valuable data from the
bumps and jars of everyday life;

— USB-bus powered, which eliminates the need for an external power adapter(2);

— Mac-ready out of the box, formatted HFS+ Journaled;

— 3-year limited warranty; and,

— Sleek and stylish design that complements other Mac products.

The new My Book Mac Edition external hard drives feature:

— A sleek, elegant matte-black finish that complements other Mac products;

— Smart, eco-friendly design that utilizes WD hard drives with Green Power
technology and energy efficient power saving feature that turns on and off
with user’s computer;

— Designed without a fan to run quietly;

— Fully recyclable product packaging;

— Shock-resistant enclosure designed to provide maximum shock protection
to guard valuable data;

— Mac-ready out of the box, the drive is formatted HFS+ Journaled;

— Easy, plug-and-play set up; and,

— 1-year limited warranty.

Demonstrations of My Book Mac Edition drives may be viewed at Macworld Expo
Booth No. 211 in San Francisco from Jan. 6-9, 2009.

Availability and Pricing

My Passport for Mac portable hard drives and My Book Mac Edition 1 TB
external hard drive are available now at select retail stores, online
retailers and in the United States directly from WD at
(http://www.shopwd.com). MSRP for My Passport for Mac with 320 GB is
$129.99 USD and $179.99 for 500 GB. MSRP for My Book Mac Edition 1 TB hard
drive is $179.99 USD.

About WD

WD, one of the storage industry’s pioneers and long-time leaders, provides
products and services for people and organizations that collect, manage and
use digital information. The company produces reliable, high-performance
hard drives that keep users’ data accessible and secure from loss. WD
applies its storage expertise to consumer products for external, portable
and shared storage applications.

WD was founded in 1970. The company’s storage products are marketed to
leading systems manufacturers, selected resellers and retailers under the
Western Digital and WD brand names. Visit the Investor section of the
company’s Web site (http://www.westerndigital.com) to access a variety of
financial and investor information.

Western Digital, WD, WD logo and My Book are registered trademarks; My
Passport and GreenPower are trademarks of Western Digital Technologies,
Inc. Other marks may be mentioned herein that belong to other companies.
All other brand and product names mentioned herein are the property of
their respective companies. One megabyte (MB) = 1 million bytes. One
gigabyte (GB) = 1 billion bytes. One terabyte (TB) = one trillion bytes.
Total accessible capacity varies depending on operating environment.

(1) Consumes up to 33 percent less power than standard systems. (2) An
optional cable is available for the few computers that limit bus power.