Merrill Lynch & Co. and Credit Suisse Securities (USA) LLC will serve as joint book running managers for the offering. Underwriters will be granted an option to purchase up to an additional 375,000 shares of common stock to cover overallotments, if any. All of the shares will be offered by Digital Realty Trust and issued under the company's shelf registration statement.

Digital Realty Trust owns 66 properties comprising approximately 11.9 million sf (net rentable). The portfolio is spread throughout North America and Europe.

In early September, the company modified, extended and expanded its senior unsecured revolving credit facility, increasing the total capacity to $650 million from $500 million and gaining the option to expand it by another $100 million. The company said it would use the additional dollars for acquisitions and development, working capital and general corporate purposes.