DuPont Fabros TechnologyInc. is planning a partial redemption of its 7.4 million shares of 7.875%series A cumulative redeemable perpetual preferred stock.

The company will redeem 3.4 million, or about 46%, of the seriesA preferred shares May 27. The shares will be redeemed at $25.00 apiece, plus anamount equal to accrued and unpaid dividends on each series A preferred share tobe redeemed from April 15 to, but not including, the redemption date.

DuPont said dividends on the series A preferred shares to beredeemed will cease to accrue on the May 27 redemption date. All shares to be redeemedwill be selected by lot in line with the procedures of the Depository Trust Co.,through which all series A preferred shares are held in book-entry form.

Computershare Inc., which serves as the redemption agent, willmake payment for the preferred shares to Depositary Trust.