DIGITAL REALTY TRUST, INC. — Director's Dealing 2011

Dec 8, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Digital Realty Trust, Inc. (DLR)
CIK: 0001297996
Period of Report: 2011-12-06

Reporting Person: Stein A William (CFO and CIO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-12-06	Common Stock	M	192	—	Acquired	5692	Direct
2011-12-06	Common Stock	S	192	$65.00	Disposed	5500	Direct
2011-12-07	Common Stock	M	11284	—	Acquired	16784	Direct
2011-12-07	Common Stock	S	11284	$65.15	Disposed	5500	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-12-06	Long-Term Incentive Units	$	M	192	Disposed		Common Stock (192)	Direct
2011-12-07	Long-Term Incentive Units	$	M	11284	Disposed		Common Stock (11284)	Direct

Footnotes

F1: A. William Stein converted 192 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 192 Common Units for 192 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: A. William Stein converted 11,284 long-term incentive units into Common Units of the Operating Partnership and subsequently redeemed the 11,284 Common Units for 11,284 shares of the common stock of the Issuer, all in accordance with the requirements of the Limited Partnership Agreement of the Operating Partnership.

F4: Represents the average sale price. Exact sale prices range from $65.00 to $65.46.

F5: 1 for 1.

F6: N/A