Western Digital Corp. (NYSE: WDC) today announced an increased authorization of $1.5 billion of its common stock under its share repurchase program.

The additional repurchase authorization is effective immediately and extends the program by five years, during which time additional shares can be authorized for repurchase. The amount of purchases will depend on market conditions and corporate considerations. Share repurchases will be made on the open market.

"The decision to increase WD's stock repurchase program is part of our capital allocation strategy to efficiently deploy cash to shareholders while maintaining strategic flexibility," said John Coyne, chief executive officer of WD. "We believe that Western Digital's stock is a compelling investment based on our ability to create additional value for our customers and shareholders in the growth markets we serve."

As reported in the company's Form 10-Q filed with the SEC for its third fiscal quarter ended March 31, 2012, as of May 4, 2012, the company had approximately 260 million shares outstanding. The company may suspend or discontinue the stock repurchase program at any time.