FIRST AMENDMENT TO THIRTEENTH AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP OF DIGITAL REALTY TRUST, L.P.

Exhibit 3.1

FIRST AMENDMENT

TO

THIRTEENTH AMENDED AND RESTATED

AGREEMENT OF LIMITED PARTNERSHIP

OF

DIGITAL REALTY TRUST, L.P.

THIS FIRST AMENDMENT TO THIRTEENTH AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP of Digital Realty Trust, L.P., dated as of April 7, 2014 (this “First Amendment”), is entered into by and among Digital Realty Trust, Inc., a Maryland corporation (the “Company”), as the General Partner and the Persons whose names are set forth on Exhibit A attached hereto, as the Limited Partners, together with any other Persons who become Partners in the Partnership as provided in the Partnership Agreement (as defined below).

WHEREAS, the General Partner and the Limited Partners have entered into that certain Thirteenth Amended and Restated Agreement of Limited Partnership of Digital Realty Trust, L.P., dated as of March 26, 2014 (the “Partnership Agreement”);

WHEREAS, pursuant to Sections 7.3.C(2) and 7.3.C(3) thereof, the Partnership Agreement may be amended by the General Partner to reflect the issuance of additional Partnership Interests pursuant to Sections 4.3, 4.4, 4.5, 5.4 and 6.2.B thereof and to set forth or amend the designations, rights, powers, duties and preferences of the holders of any additional Partnership Interests issued pursuant to Article 4 thereof; and

WHEREAS, the General Partner and the Partnership believe it is desirable and in the best interest of the Partnership to amend the Partnership Agreement as set forth herein.

NOW, THEREFORE, pursuant to Sections 2.4, 7.3.C(2) and 7.3.C(3) of the Partnership Agreement, the General Partner, on its own behalf and as attorney-in-fact for the Limited Partners, hereby amends the Partnership Agreement as follows::

SECTION 1. Defined Terms. Capitalized terms used but not defined herein shall have the meanings assigned to such terms in the Partnership Agreement.

SECTION 2. Amendment of the Partnership Agreement. The Partnership Agreement is hereby amended as follows:

(a) The defined term “Series H Articles Supplementary” contained in Section 1.1 of the Partnership Agreement is hereby amended and restated in its entirety as follows:

“Series H Articles Supplementary” means (i) the Articles Supplementary of the General Partner in connection with its REIT Series H Preferred Shares, as filed with the Maryland State Department of Assessments and Taxation on March 25, 2014, as corrected by the Certificate of Correction filed with, and accepted for record by, the Maryland State Department

of Assessments and Taxation on April 4, 2014 and (ii) the Articles Supplementary of the General Partner in connection with its REIT Series H Preferred Shares, as filed with the Maryland State Department of Assessments and Taxation on April 4, 2014.”

(b) The last sentence in Section 24.1 of the Partnership Agreement is hereby amended and restated in its entirety as follows:

“The number of Series H Preferred Units shall be 15,800,000.”

(c) Exhibit A of the Partnership Agreement is hereby amended and restated in its entirety by the Exhibit A attached hereto.

SECTION 3. Miscellaneous.

(a) Effect of Amendment. Except as specifically modified hereby, all terms and provisions of the Partnership Agreement shall continue to remain in full force and effect. Each reference in the Partnership Agreement to “this Agreement,” “hereunder,” “hereof,” “herein” or words of like import shall mean and be a reference to the Partnership Agreement as amended hereby, and this First Amendment and the Partnership Agreement shall be read together and construed as a single instrument.

(b) Counterparts. This First Amendment may be executed in two or more counterparts, each of which when and as executed shall be deemed to be an original, and all of which when taken together shall constitute one and the same instrument.

(c) Binding Effect. This First Amendment shall be binding upon and inure to the benefit of the parties hereto and their heirs, executors, administrators, successors, legal representatives and permitted assigns.

(d) Headings. The headings in this First Amendment are for convenience of reference only and shall not limit or otherwise affect the meaning hereof.

(e) Applicable Law. This First Amendment shall be construed in accordance with and governed by the laws of the State of Maryland, without regard to the principles of conflicts of law.

(f) Invalidity of Provisions. If any provision of this First Amendment is or becomes invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein shall not be affected thereby.

[Remainder of page intentionally left blank.]

IN WITNESS WHEREOF, the undersigned has executed this Amendment to the Thirteenth Amended and Restated Agreement of Limited Partnership as of the date first written above.

DIGITAL REALTY TRUST, L.P.

By: Digital Realty Trust, Inc.,

a Maryland corporation

Its General Partner

By: /s/ A. Xxxxxxx Xxxxx                                    

A. Xxxxxxx Xxxxx

Interim Chief Executive Officer, Chief Financial Officer, Chief Investment Officer and Secretary

Signature Page to Amendment to Thirteenth Amended and Restated Agreement of

Limited Partnership of Digital Realty Trust, L.P.

S-1

EXHIBIT A

(Dated April 7, 2014)

PARTNERS, CONTRIBUTIONS AND PARTNERSHIP INTERESTS

Common or Profits Interest Units:

Name and Address of Partner		Cash Contributions				Agreed Value of Contributed Property*#				Total Contributions**				Common or Profits Interest Units				Percentage Interest - Including Class C				Percentage Interest - Including Classes C & D				Percentage Interest - Including Class C & Class D at 10%
General Partner
Digital Realty Trust, Inc.		$	3,583,268,750			$	217,890,000			$	3,801,158,750				128,606,462				97.6273	%			97.1779	%			97.5822	%
Limited Partners
Cambay Xxxx.xxx, LLC						$	11,838,336			$	11,838,336				986,528				0.7489	%			0.7454	%			0.7485	%
Dell’Osso Family Revocable Trust						$	660,000			$	660,000				55,000				0.0418	%			0.0416	%			0.0417	%
Xxxxxxx X. Xxxxx						$	452,796			$	452,796				37,733				0.0286	%			0.0285	%			0.0286	%
Xxxxx X. Xxxxx						$	349,860			$	349,860				29,155				0.0221	%			0.0220	%			0.0221	%
Xxxxxx Family Revocable Trust						$	3,384,300			$	3,384,300				282,025				0.2141	%			0.2131	%			0.2140	%
Cedar Kilo Investments, LLC															33,791				0.0257	%			0.0255	%			0.0256	%
Magnolia Kilo Investments, LLC															33,791				0.0257	%			0.0255	%			0.0256	%
Redwood Kilo Investments, LLC															33,791				0.0257	%			0.0255	%			0.0256	%
Total Limited Partners															1,491,814
Profits Interest Unit Holders
Xxxxxxx X. Xxxxxxxx															160,124				0.1216	%			0.1210	%			0.1215	%
Xxxx Xxxxx as Trustee of the Xxxxxxxx 2008 Digital Irrevocable Trust															100,000				0.0759	%			0.0756	%			0.0759	%
Xxxxxxx X. Xxxxx															256,356				0.1946	%			0.1937	%			0.1945	%
A. Xxxxxxx Xxxxx															142,234				0.1080	%			0.1075	%			0.1079	%
Xxxxx X. Xxxxxxxx															94,913				0.0721	%			0.0717	%			0.0720	%
Xxxxx Xxxxx															4,081				0.0031	%			0.0031	%			0.0031	%
Xxxx Xxxxx															107,196				0.0814	%			0.0810	%			0.0813	%
Xxxxx Xxxxxx															49,074				0.0373	%			0.0371	%			0.0372	%
Xxx Xxxxxxx															40,403				0.0307	%			0.0305	%			0.0307	%
Xxxxxx Xxxxx															42,603				0.0323	%			0.0322	%			0.0323	%
Xxxxxx Sham															40,813				0.0310	%			0.0308	%			0.0310	%
Xxxxx Xxxxxx															50,267				0.0382	%			0.0380	%			0.0381	%
Xxxxx Will															12,913				0.0098	%			0.0098	%			0.0098	%
Xxxxxxxx X. Xxxxxxx															2,803				0.0021	%			0.0021	%			0.0021	%
Xxxxx X. Xxxxx, Ph.D.															8,192				0.0062	%			0.0062	%			0.0062	%

Xxxxxxxx Xxxxxx (Xxxx)			2,803				0.0021	%			0.0021	%			0.0021	%
Xxxxxx X. Xxxxxxxxx			14,640				0.0111	%			0.0111	%			0.0111	%
Xxxxxx X. Xxxxxx			5,963				0.0045	%			0.0045	%			0.0045	%
Xxxxx Xxxxxxx			17,953				0.0136	%			0.0136	%			0.0136	%
Xxxxxx Xxxxxxxxx			6,889				0.0052	%			0.0052	%			0.0052	%
Xxxxxxxx Xxxx			11,693				0.0089	%			0.0088	%			0.0089	%
Xxxxx Xxxxx			3,268				0.0025	%			0.0025	%			0.0025	%
Xxxx Xxxxxxxx			2,488				0.0019	%			0.0019	%			0.0019	%
Xxxxx Xxxxx			1,279				0.0010	%			0.0010	%			0.0010	%
Xxxxxx Xxxxxxx			7,071				0.0054	%			0.0053	%			0.0054	%
Xxxx Xxxxxx			8,468				0.0064	%			0.0064	%			0.0064	%
Xxxxx Xxxxxxxxxxx			12,495				0.0095	%			0.0094	%			0.0095	%
Xxxxx Xxxxxxx			1,677				0.0013	%			0.0013	%			0.0013	%
Xxxxxxx XxXxxxx			1,677				0.0013	%			0.0013	%			0.0013	%
Xxxxx Xxxxxxx			4,287				0.0033	%			0.0032	%			0.0033	%
Xxxxxxx Xxxxxxxxx			18,351				0.0139	%			0.0139	%			0.0139	%
Xxxx Xxxxxxx			3,454				0.0026	%			0.0026	%			0.0026	%
Total Profits Interest Units			1,236,428

* Net of Debt (if any)

# Agreed Value as of contribution date. Units received in exchange for such contribution may have been distributed to the owners of the contributing Limited Partners from time to time.

** Total contributions shown for applicable Limited Partners are as of applicable contribution date. Units received in exchange for such contributions may have been distributed to the owners of the contributing Limited Partners from time to time.

Class C Unit Holders

		Class C Units				Percentage Interest (All Classes)
10/27/2005-12/28/2005
Xxxxxxx X. Xxxxxxxx			216,451				0.1636	%
5/2/2007
Xxxxxxx X. Xxxxxxxx			100,848				0.0762	%
Xxxx Xxxxx			20,169				0.0152	%
Xxxxx Xxxxxx			20,169				0.0152	%
Xxxxxx Sham			8,447				0.0064	%
Xxxxx Xxxxxx			11,116				0.0084	%
Xxxxx Xxxxxxx			20,169				0.0152	%
Total Class C Units			397,369

Class D Unit Holders

		Class D Units				Percentage Interest (All Classes)
Xxxxxxx Xxxxx			169,197				0.1278	%
A. Xxxxxxx Xxxxx			90,239				0.0682	%
Xxxxx Xxxxx			62,039				0.0469	%
Xxxxx Xxxxxxxx			56,399				0.0426	%

Xxxxxxx Xxxxxxxxx			39,479				0.0298	%
Xxxxxx Xxxxx			33,839				0.0256	%
Xxxxx Xxxxxx			23,970				0.0181	%
Xxxxxx Sham			23,970				0.0181	%
Xxxxx Xxxxxxxxxxx			21,150				0.0160	%
Xxxxxxxxxxx Xxxxxx			12,690				0.0096	%
Xxxxxxxxx Will			12,690				0.0096	%
Xxxxxxxx Xxxx			12,690				0.0096	%
Xxxx Xxxxxxx			12,690				0.0096	%
Xxxxx Xxxxxxx			8,460				0.0064	%
Xxxx Xxxxxx			7,910				0.0060	%
Xxxxxxx Xxxxxxx			6,345				0.0048	%
Xxx Xxxxxxx			5,499				0.0042	%
Xxxxxx Xxxxxxxxx			5,287				0.0040	%
Xxxxxx Xxxxxxx			4,653				0.0035	%
Total Class D Units			609,196

Series E Preferred Units:

Name and Address of Partner		Gross Asset Value		Cash Contributions				Total Contributions				Preferred				Percentage Interest
Digital Realty Trust, Inc.				$	277,171,885.55			$	277,171,885.55				11,500,000				100.0000	%
Series F Preferred Units:
Name and Address of Partner		Gross Asset Value		Cash Contributions				Total Contributions				Preferred				Percentage Interest
Digital Realty Trust, Inc.				$	176,191,301.29			$	176,191,301.29				7,300,000				100.0000	%
Series G Preferred Units:
Name and Address of Partner		Gross Asset Value		Cash Contributions				Total Contributions				Preferred				Percentage Interest
Digital Realty Trust, Inc.				$	241,467,912.52			$	241,467,912.52				10,000,000				100.0000	%
Series H Preferred Units:
Name and Address of Partner		Gross Asset Value		Cash Contributions				Total Contributions				Preferred				Percentage Interest
Digital Realty Trust, Inc.				$	354,077,500.00			$	354,077,500.00				14,600,000				100.0000	%