SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
MAGNUSON RICHARD A

(Last) (First) (Middle)
2730 SAND HILL ROAD
SUITE 280

(Street)
MENLO PARK CA 94025

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Digital Realty Trust, Inc. [ DLR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Executive Managing Director
3. Date of Earliest Transaction (Month/Day/Year)
10/03/2006
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Common Units $29.09(1) 10/03/2006 D(1) 600,000 (1) (1) Common Stock (1) $0(1) 15,069,175 I By Global Innovation Partners, LLC
Explanation of Responses:
1. 600,000 Units were redeemed by Global Innovation Partners LLC. Units are redeemable for cash based on the fair market value of an equivalent number of shares of Digital Realty Trust, Inc. (the "Issuer") common stock, or, at the election of the Issuer, an equal number of shares of the Issuer's common stock. The Issuer elected to redeem the Units with the net proceeds of a stock offering pursuant to the terms of the Fourth Amended and Restated Agreement of Limited Partnership of Digital Realty Trust, L.P., dated as of October 26, 2005. The Units were redeemed pursuant to the exercise on October 3, 2006 of the underwriters' over-allotment option in the stock offering. The redemption price was $29.09 per Unit. The redemption price includes $0.04 per Unit in estimated expenses. The redemption closed on October 4, 2006.
/s/ Richard A. Magnuson 10/04/2006
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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