Update (June 4): After announcing initially a public stock offering of 4.25m shares to fund its acquisition of five properties owned by Rockwood Capital and affiliates and managed by 365 Main (see original story below), Digital Realty Trust increased the amount of shares to be sold to 6m and announced pricing of the offering. At $57 per share, the provider expects to raise up to about $327.8m. DRT plans to close the offering on June 8.

Following is the original story from June 2, 2010

Wholesale data center provider Digital Realty Trust has entered into an agreement to buy the data center portfolio of Rockwood Capital and 365 Main. The acquisition includes three properties in the San Francisco Bay Area, one in Arizona and one in Virginia. The total cost of the acquisition is about $725m, according to a DRT news release.

The deal will add 919,000 sq ft of space to the San Francisco, Calif.-based provider