Storage-devices maker

Western Digital

(WDC) - Get Report

said Wednesday that it will delay filing its annual report for fiscal 2006 as it continues a review into its stock option grants.

The Lake Forest, Calif.-based company said a preliminary determination has been made that measurement dates for accounting purposes may differ from recorded dates used for certain option grants made from fiscal 1999 through fiscal 2003. A material adjustment to the financial statements of the prior periods could be required.

Western Digital plans to file its annual report for the year ended June 30 after the completion of a special committee review.

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