Bangkok. — Jul. 31, 2012 — Western Digital^® Corp. (NASDAQ: WDC) today reported revenue of US$12.5 billion and net income of US$1.6 billion, or US$6.58 per share for fiscal year 2012, compared to fiscal 2011 revenue of US$9.5 billion and net income of US$726 million, or US$3.09 per share. On a non-GAAP basis, fiscal 2012 net income was US$2.1 billion or US$8.61 per share, compared to fiscal 2011 net income of US$770 million or US$3.28 per share.¹ Both the GAAP and non-GAAP fiscal 2012 results include results from the company’s newly acquired HGST subsidiary from the acquisition date of March 8 through the end of fiscal 2012.

For its fourth fiscal quarter ended June 29, 2012, the company reported revenue of
US$4.8 billion, hard-drive shipments of 71.0 million and net income of US$745 million, or US$2.87 per share. On a non-GAAP basis, net income was US$872 million, or US$3.35 per share.² In the year-ago quarter, the company reported revenue of US$2.4 billion, net income of US$158 million, or US$0.67 per share, and shipped 53.8 million hard drives. Non-GAAP net income in the year-ago quarter was US$193 million, or US$0.81 per share.³

The company generated US$1.1 billion in cash from operations during the June quarter, ending with total cash and cash equivalents of US$3.2 billion. During the quarter, the company repaid US$558 million of debt and spent US$604 million to buy back over 16 million shares of common stock.

“Fiscal 2012 was one of the most challenging and exciting years in our 42-year history,” said John Coyne, chief executive officer. “While responding to two major natural disasters and completing the largest acquisition in the history of the industry, we achieved year-over-year revenue growth of 31 percent and more than doubled earnings per share.

“In the June quarter, demand was in line with our forecast as industry shipments reached
157 million units, bringing total HDD shipments for the year to 599 million units. Our WD and HGST subsidiaries both performed ahead of plan in Q4, delivering great products with consistent execution, resulting in strong revenue growth, gross margin and cash flows.”

Western Digital, 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.

Western Digital 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.  Thailand’s Facebook fan page be accessed athttp://www.facebook.com/wdcthailand or just search “WD Thailand”