WD JOINS THE GREEN GRID WD Committed to Pushing Leading-Edge Hard Drive Technology to Reduce Power Consumption in Data Centers LAKE FOREST, Calif. — Feb. 05, 2008 — As a leading hard drive supplier to major enterprise, surveillance, consumer electronics and computing manufacturers worldwide, Western Digital Corp. (NYSE: WDC) announced the company has joined The Green Grid, a nonprofit consortium dedicated to advancing energy efficiency in data centers and business computing ecosystems. The Green Grid seeks