DIGITAL REALTY TRUST, INC. — Director's Dealing 2010

Mar 18, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Digital Realty Trust, Inc. (DLR)
CIK: 0001297996
Period of Report: 2010-03-16

Reporting Person: Foust Michael F (Director, CEO and Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-16	Common Stock	M	9000	—	Acquired	73098	Direct
2010-03-16	Common Stock	S	9000	$55.70	Disposed	64098	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-03-16	Long Term Incentive Units	$	M	9000	Disposed		Common Stock (9000)	Direct

Footnotes

F1: Michael Foust converted 9,000 long-term incentive units into common limited partnership units ("Common Units") of Digital Realty Trust, L.P., a Maryland Limited Partnership (the "Operating Partnership"), and subsequently redeemed the 9,000 Common Units for 9,000 shares of the common stock of Digital Realty Trust, Inc. (the "Issuer"), all in accordance with the requirements of the Limited Partnership Agreement of the Operating Partnership.

F2: Long-term incentive units are profits interest units in the Operating Partnership. Vested profits interest units may be converted into an equal number of Common Units in the Operating Partnership on a one-for-one basis at any time. Common Units are redeemable for cash based on the fair market value of an equivalent number of shares of the Issuer's common stock, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3: Represents the average sale price. Exact sale prices range from $55.63 to $55.81.

F4: 1 for 1.

F5: N/A