Document:

EX-4.2

 Exhibit 4.2 

EXECUTION VERSION 

$600,000,000 
 DUPONT
FABROS TECHNOLOGY, L.P. 
 $600,000,000 5.875% of Senior Notes due 2021 

REGISTRATION RIGHTS AGREEMENT 

September 24, 2013 
 GOLDMAN,
SACHS & CO. 
 As Representative of the 

Initial Purchasers listed in 

Schedule I hereto 
 200 West Street 

New York, New York 10282-2198 
 Ladies and Gentlemen: 

DuPont Fabros Technology, L.P., a Maryland limited partnership (the “Partnership”) is issuing and selling to the several
initial purchasers listed in Schedule I hereto (the “Initial Purchasers”), upon the terms set forth in the Purchase Agreement dated September 12, 2013, by and among the Partnership, DuPont Fabros Technology, Inc. (the
“Parent”), the Initial Purchasers and the Subsidiary Guarantors named therein (the “Purchase Agreement”), $600,000,000 aggregate principal amount of 5.875% Senior Notes due 2021 issued by the Partnership (each, a
“Note” and collectively, the “Notes”). As an inducement to the Initial Purchasers to enter into the Purchase Agreement, the Partnership and the guarantors listed in the signature pages hereto agree with the Initial
Purchasers, for the benefit of the Holders (as defined below) of the Notes (including, without limitation, the Initial Purchasers), as follows: 
  

	1.	Definitions 

 Capitalized terms that are used herein without definition and are
defined in the Purchase Agreement shall have the respective meanings ascribed to them in the Purchase Agreement. As used in this Agreement, the following terms shall have the following meanings: 

Additional Guarantor: Any subsidiary of the Partnership that executes a guarantee of the Notes after the date of this Agreement. 

Additional Interest: See Section 4(a). 

Advice: See Section 6(w). 

Agreement: This Registration Rights Agreement, dated as of the Closing Date, between the Partnership, the Parent, the Subsidiary
Guarantors and the Initial Purchasers. 
 Applicable Period: See Section 2(e). 

Business Day: A day that is not a Saturday, a Sunday or a day on which banking institutions in the City of New York are authorized or
required by law or executive order to be closed. 

  
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 Closing Date: September 24, 2013. 

Day: Unless otherwise expressly provided, a calendar day. 

Effectiveness Date: The 270th calendar day after the Closing Date. 

Effectiveness Period: See Section 3(a). 

Event Date: See Section 4(b). 

Exchange Act: The Securities Exchange Act of 1934, as amended, and the rules and regulations of the SEC promulgated thereunder. 

Exchange Notes: Senior Notes due 2021 of the Partnership, identical in all material respects to the Notes, including the guarantees
endorsed thereon, except that the Exchange Notes will not have legends restricting transfer. 
 Exchange Offer: See
Section 2(a). 
 Exchange Registration Statement: See Section 2(a). 

Filing Date: The 120th calendar day after the Closing Date. 

FINRA: Financial Industry Regulatory Authority. 

Guarantors: The Parent and the Subsidiary Guarantors, collectively. 

Holder: Any beneficial holder of Registrable Notes. 

Indemnified Party: See Section 8(c). 

Indemnifying Party: See Section 8(c). 

Indenture: The Indenture, dated as of the Closing Date, among the Partnership, the Guarantors and U.S. Bank National Association, as
trustee, pursuant to which the Notes are being issued, as amended or supplemented from time to time in accordance with the terms hereof. 

Initial Purchasers: See the introductory paragraph to this Agreement. 

Initial Shelf Registration: See Section 3(a). 

Inspectors: See Section 6(o). 

Losses: See Section 8(a). 

Notes: See the introductory paragraph to this Agreement. 

Participating Broker-Dealer: See Section 2(e). 

Parent: See the introductory paragraph to this Agreement. 

Partnership: See the introductory paragraph to this Agreement. 

  
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 Person: An individual, trustee, corporation, partnership, limited liability company, joint
stock company, trust, unincorporated association, union, business association, firm, government or agency or political subdivision thereof, or other legal entity. 

Private Exchange: See Section 2(f). 

Private Exchange Notes: See Section 2(f). 

Prospectus: The prospectus included in any Registration Statement (including, without limitation, a prospectus that discloses
information previously omitted from a prospectus filed as part of an effective registration statement in reliance upon Rule 430A promulgated under the Securities Act), as amended or supplemented by any prospectus supplement, with respect to the
terms of the offering of any portion of the Registrable Notes covered by such Registration Statement, and all other amendments and supplements to the Prospectus, including post-effective amendments, and all material incorporated by reference or
deemed to be incorporated by reference in such Prospectus. 
 Purchase Agreement: See the introductory paragraph to this Agreement.

 Records: See Section 6(o). 

Registrable Notes: Notes and Private Exchange Notes, in each case, that are not freely tradeable, without restriction, under federal or
state securities laws. 
 Registration Default: See Section 4(a). 

Registration Statement: Any registration statement of the Partnership and the Guarantors filed with the SEC under the Securities Act
(including, but not limited to, the Exchange Registration Statement, the Shelf Registration and any subsequent Shelf Registration) that covers any of the Registrable Notes pursuant to the provisions of this Agreement, including the Prospectus,
amendments and supplements to such registration statement, including post-effective amendments, all exhibits and all material incorporated by reference or deemed to be incorporated by reference in such registration statement. 

Rule 144: Rule 144 promulgated under the Securities Act, as such Rule may be amended from time to time, or any similar rule (other than
Rule 144A) or regulation hereafter adopted by the SEC providing for offers and sales of securities made in compliance therewith resulting in offers and sales by subsequent holders that are not affiliates of an issuer or such securities being free of
the registration and prospectus delivery requirements of the Securities Act. 
 Rule 144A: Rule 144A promulgated under the Securities
Act, as such Rule may be amended from time to time, or any similar rule (other than Rule 144) or regulation hereafter adopted by the SEC. 

Rule 415: Rule 415 promulgated under the Securities Act, as such Rule may be amended from time to time, or any similar rule or
regulation hereafter adopted by the SEC. 
 Rule 430A: Rule 430A promulgated under the Securities Act, as such Rule may be amended
from time to time, or any similar rule or regulation hereafter adopted by the SEC. 
 SEC: The Securities and Exchange Commission.

 Securities: The Notes, the Exchange Notes and the Private Exchange Notes. 

  
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 Securities Act: The Securities Act of 1933, as amended, and the rules and regulations of
the SEC promulgated thereunder. 
 Shelf Notice: See Section 2(j). 

Shelf Registration: See Section 3(b). 

Subsequent Shelf Registration: See Section 3(b). 

Subsidiary Guarantor: Each subsidiary of the Partnership that guarantees the obligations of the Partnership under the Notes and
Indenture. 
 TIA: The Trust Indenture Act of 1939, as amended. 

Trustee: The trustee under the Indenture and, if existent, the trustee under any indenture governing the Exchange Notes and Private
Exchange Notes (if any). 
 Underwritten Registration or Underwritten Offering: A registration in which securities of the Partnership
are sold to an underwriter for reoffering to the public. 
  

	2.	Exchange Offer 

  

	 	(a)	Unless the Exchange Offer would not be permitted by applicable laws or applicable interpretations of the staff of the SEC, the Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to) use its
commercially reasonable efforts to (i) prepare and file with the SEC on or before the Filing Date, a registration statement (the “Exchange Registration Statement”) on an appropriate form under the Securities Act with respect to
an offer (the “Exchange Offer”) to the Holders of Notes to issue and deliver to such Holders, in exchange for the Notes, a like principal amount of Exchange Notes, (ii) cause the Exchange Registration Statement to become
effective on or before the Effectiveness Date, (iii) keep the Exchange Registration Statement effective until the consummation of the Exchange Offer in accordance with its terms, and (iv) commence the Exchange Offer and issue on or before
the 30th Business Day after the date on which the Exchange Registration Statement is declared effective, Exchange Notes in exchange for all Notes validly tendered prior thereto in the Exchange
Offer. Other than as set forth in this Agreement, including in Section 2(d) hereto, the Exchange Offer shall not be subject to any conditions. 

  

	 	(b)	The Exchange Notes shall be issued under, and entitled to the benefits of the Indenture or a trust indenture that is identical to the Indenture. 

 

	 	(c)	Interest on the Exchange Notes and Private Exchange Notes will accrue from the last interest payment due date on which interest was paid on the Notes surrendered in exchange therefor or, if no interest has been paid on
the Notes, from the date of original issue of the Notes. 

  

	 	(d)	 The Partnership may require each Holder as a condition to participation in the Exchange Offer to represent (i) that any Exchange Notes received
by it will be acquired in the ordinary course of its business, (ii) that at the time of the commencement and consummation of the Exchange Offer such Holder has not entered into any arrangement or understanding with any Person to participate in
the distribution (within the meaning of 

  
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the Securities Act) of the Exchange Notes in violation of the provisions of the Securities Act, (iii) that if such Holder is an “affiliate” of the Partnership within the meaning of
Rule 405 of the Securities Act, it will comply with the registration and prospectus delivery requirements of the Securities Act to the extent applicable to it, (iv) if such Holder is not a broker-dealer, that it is not engaged in, and does not
intend to engage in, the distribution of the Notes and (v) if such Holder is a Participating Broker-Dealer, that it will deliver a Prospectus in connection with any resale of the Exchange Notes. 

 

	 	(e)	The Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to) include within the Prospectus contained in the Exchange Registration Statement a section entitled “Plan of Distribution”
reasonably acceptable to the Initial Purchasers which shall contain a summary statement of the positions taken or policies made by the staff of the SEC with respect to the potential “underwriter” status of any broker-dealer that is the
beneficial owner (as defined in Rule 13d-3 under the Exchange Act) of Exchange Notes received by such broker-dealer in the Exchange Offer for its own account in exchange for Notes that were acquired by it as a result of market-making or other
trading activity (a “Participating Broker-Dealer”), whether such positions or policies have been publicly disseminated by the staff of the SEC or such positions or policies that, in the judgment of the Initial Purchasers, represent
the prevailing views of the staff of the SEC. Such “Plan of Distribution” section shall also allow, to the extent permitted by applicable policies and regulations of the SEC, the use of the Prospectus by all Persons subject to the
prospectus delivery requirements of the Securities Act, including, to the extent so permitted, all Participating Broker-Dealers, and include a statement describing the manner in which Participating Broker-Dealers may resell the Exchange Notes. The
Partnership and the Parent shall use their commercially reasonable efforts to keep the Exchange Registration Statement effective and to amend and supplement the Prospectus contained therein, in order to permit such Prospectus to be lawfully
delivered by all Persons subject to the prospectus delivery requirements of the Securities Act for such period of time as such Persons must comply with such requirements in order to resell the Exchange Notes (the “Applicable
Period”). 

  

	 	(f)	If, upon consummation of the Exchange Offer, any Initial Purchaser holds any Notes acquired by it and having the status of an unsold allotment in the initial distribution, the Partnership (upon the written request from
the Initial Purchasers) shall, simultaneously with the delivery of the Exchange Notes in the Exchange Offer, issue and deliver to the Initial Purchasers, in exchange (the “Private Exchange”) for the Notes held by the Initial
Purchasers, a like principal amount of Senior Notes that are identical to the Exchange Notes except for the existence of restrictions on transfer thereof under the Securities Act and securities laws of the several states of the United States (the
“Private Exchange Notes”) (and which are issued pursuant to the same indenture as the Exchange Notes). The Private Exchange Notes shall bear the same CUSIP number as the Exchange Notes. 

 

	 	(g)	In connection with the Exchange Offer, the Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to): 

  

	 	(i)	mail to each Holder a copy of the Prospectus forming part of the Exchange Registration Statement, together with an appropriate letter of transmittal that is an exhibit to the Exchange Registration Statement, and any
related documents; 

  

	 	(ii)	keep the Exchange Offer open for not less than 20 Business Days after the date notice thereof is mailed to the Holders (or longer if required by applicable law) and until the Partnership has accepted all Notes validly
tendered in accordance with the terms of the Exchange Offer; 

  
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	 	(iii)	utilize the services of a depository for the Exchange Offer with an address in the Borough of Manhattan, the City of New York, which may be the Trustee or an affiliate thereof; 

 

	 	(iv)	permit Holders to withdraw tendered Registrable Notes at any time prior to the close of business, New York time, on the last Business Day on which the Exchange Offer shall remain open; and 

 

	 	(v)	otherwise comply in all material respects with all applicable laws. 

  

	 	(h)	As soon as practicable after the close of the Exchange Offer or the Private Exchange, as the case may be, the Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to): 

 

	 	(i)	accept for exchange all Registrable Notes validly tendered pursuant to the Exchange Offer or the Private Exchange, as the case may be, and not validly withdrawn; 

 

	 	(ii)	deliver to the Trustee for cancellation all Registrable Notes so accepted for exchange; and 

  

	 	(iii)	cause the Trustee to authenticate and deliver promptly to each Holder tendering such Registrable Notes, Exchange Notes or Private Exchange Notes, as the case may be, equal in principal amount to the Notes of such Holder
so accepted for exchange. 

  

	 	(i)	The Exchange Notes and the Private Exchange Notes shall be issued under the Indenture, which will provide that the Exchange Notes will not be subject to the transfer restrictions set forth in the Indenture, that the
Private Exchange Notes will be subject to the transfer restrictions set forth in the Indenture, and that the Exchange Notes, the Private Exchange Notes and the Notes, if any, will be deemed one class of security (subject to the provisions of the
Indenture) and entitled to participate in any Note Guarantee (as such term is defined in the Indenture) on an equal and ratable basis. 

  

	 	(j)	If: (i) the Partnership determines that applicable laws or applicable interpretations of the staff of the SEC would not permit the consummation of the Exchange Offer on or prior to the 30th Business Day following the Effectiveness Date; (ii) the Exchange Offer is not consummated on or prior to the 90th Business Day following the Effectiveness Date (provided that this shall
not effect the obligations to pay Additional Interest after the 30th such Business Day pursuant to Section 4(a)(iii)(A)); or (iii) in the case of any Initial Purchaser representing that,
on advice of counsel, it holds Registrable Securities that are or were ineligible to be exchanged in the Exchange Offer and such Initial Purchaser notifies the Partnership within six months of consummation of the Exchange Offer, then the Partnership
and the Parent shall promptly (and in any event within five Business Days) deliver to the Holders (or in the case of an occurrence of any event described in clause (iii) of this Section 2(j), to any such Initial Purchaser) and the Trustee
notice thereof (the “Shelf Notice”) and shall within the later of the Filing Date and 30 days of notification by a Holder file an Initial Shelf Registration pursuant to Section 3. 

  
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	3.	Shelf Registration 

 If a Shelf Notice is delivered pursuant to
Section 2(j)(i) or (ii), then this Section 3 shall apply to all Registrable Notes. Otherwise, upon consummation of the Exchange Offer in accordance with Section 2, the provisions of Section 3 shall apply solely with respect to
Notes held by an Initial Purchaser as contemplated by Section 2(j)(iii) hereof, provided in each case that the relevant Initial Purchaser has duly notified the Partnership within six months of the Exchange Offer as required by
Section 2(j)(iii). 
  

	 	(a)	Initial Shelf Registration. The Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to) use its commercially reasonable efforts to file with the SEC a Registration Statement for an
offering to be made on a continuous basis pursuant to Rule 415 covering all of the Registrable Notes (the “Initial Shelf Registration”). If the Partnership and the Parent (and any Subsidiary Guarantor) has not yet filed an Exchange
Registration Statement, the Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to) file with the SEC the Initial Shelf Registration on or prior to the Filing Date and shall use its commercially reasonable efforts to cause
such Initial Shelf Registration to be declared effective under the Securities Act on or prior to the Effectiveness Date. Otherwise, the Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to) use its commercially reasonable
efforts to file with the SEC the Initial Shelf Registration within 30 days of the delivery of the Shelf Notice and shall use its commercially reasonable efforts to cause such Initial Shelf Registration to be declared effective by the SEC on or prior
to the 60th day following the date such Initial Shelf Registration was filed. The Initial Shelf Registration shall be on the appropriate form permitting registration of such Registrable Notes for
resale by Holders in the manner or manners reasonably designated by them (including, without limitation, one or more underwritten offerings). The Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to) use its commercially
reasonable efforts to keep the Initial Shelf Registration continuously effective under the Securities Act until the date which is the earliest of (i) the one year anniversary of the Closing Date, (ii) the date when all of the Notes have
been sold under the Shelf Registration Statement and (iii) the date when Holders, other than Holders that are “affiliates” (as defined in Rule 144) of the Partnership, the Parent or the Subsidiary Guarantors, are able to sell such
Notes without restriction, and without reliance as to the availability of current public information, pursuant to Rule 144 (the “Effectiveness Period”). 

 

	 	(b)	Subsequent Shelf Registrations. If the Initial Shelf Registration or any Subsequent Shelf Registration (as defined below) ceases to be effective for any reason at any time during the Effectiveness Period, the
Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to) use its commercially reasonable efforts to obtain the prompt withdrawal of any order suspending the effectiveness thereof, and in any event shall within 30 days of such
cessation of effectiveness amend such Shelf Registration in a manner to obtain the withdrawal of the order suspending the effectiveness thereof, or file (and cause each Subsidiary Guarantor to file) an additional “shelf” Registration
Statement pursuant to Rule 415 covering all of the Registrable Notes (a “Subsequent Shelf Registration”). If a Subsequent Shelf Registration is filed, the Partnership and the Parent shall (and shall cause each Subsidiary Guarantor
to) use its commercially reasonable efforts to cause the Subsequent Shelf Registration to be declared effective as soon as practicable after such filing and to keep such Subsequent Shelf Registration continuously effective for the remainder of the
Effectiveness Period (except that clause (ii) of the definition of Effectiveness Period for such purposes shall mean the date when all of the Notes have been sold under a Shelf Registration Statement). As used herein the term “Shelf
Registration” means the Initial Shelf Registration and any Subsequent Shelf Registrations. 

  
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	 	(c)	Supplements and Amendments. The Partnership and the Parent shall promptly supplement and amend any Shelf Registration if required by the rules, regulations or instructions applicable to the registration form used
for such Shelf Registration, if required by the Securities Act, or if reasonably requested in writing by the Holders of a majority in aggregate principal amount of the Registrable Notes covered by such Shelf Registration or by any underwriter of
such Registrable Notes. 

  

	 	(d)	Provision of Information. No Holder of Registrable Notes shall be entitled to include any of its Registrable Notes in any Shelf Registration pursuant to this Agreement unless such Holder furnishes to the
Partnership, the Parent and the Trustee in writing, within 20 days after receipt of a written request therefor, such information as the Partnership, the Parent and the Trustee after conferring with counsel with regard to information relating to
Holders that would be required by the SEC to be included in such Shelf Registration or Prospectus included therein, may reasonably request for inclusion in any Shelf Registration or Prospectus included therein, and no such Holder shall be entitled
to Additional Interest pursuant to Section 4 hereof unless and until such Holder shall have provided such information. 

  

	4.	Additional Interest 

  

	 	(a)	The Partnership, the Parent and each Subsidiary Guarantor acknowledges and agrees that the Holders of Registrable Notes will suffer damages if the Partnership, the Parent or any Subsidiary Guarantor fails to fulfill its
material obligations under Section 2 or Section 3 hereof and that it would not be feasible to ascertain the extent of such damages with precision. Accordingly, if: 

 

	 	(i)	(A) the Exchange Registration Statement is not filed with the SEC on or prior to the Filing Date or (B) notwithstanding that the Partnership has consummated or will consummate an Exchange Offer, the Partnership is
required to file a Shelf Registration and such Shelf Registration is not filed on or prior to the later of the Filing Date and 30 days after the obligation to file such Shelf Registration arises; or 

 

	 	(ii)	(A) neither the Exchange Registration Statement nor a Shelf Registration is declared effective by the SEC on or prior to the Effectiveness Date or (B) notwithstanding that the Partnership has consummated or will
consummate an Exchange Offer, the Partnership is required to file a Shelf Registration and such Shelf Registration is not declared effective by the SEC on or prior to the 60th day following the
date such Shelf Registration was filed; or 

  

	 	(iii)	(A) the Partnership has not exchanged all Notes validly tendered in accordance with the terms of the Exchange Offer for Exchange Notes on or prior to the 30th
Business Day after the date on which the Exchange Registration Statement was declared effective or (B) if applicable, the Shelf Registration has been declared effective and such Shelf Registration ceases to be effective at any time prior to the
Effectiveness Period; provided that the Partnership, the Parent and the Subsidiary Guarantors will be permitted to suspend the use of the prospectus that is part of the Shelf Registration if its management determines to do so for valid

  
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business reasons, including circumstances relating to pending corporate developments and similar events or filings with the SEC, for a period not to exceed 30 days in any three-month period and
not to exceed an aggregate of 90 days in any twelve-month period and without specifying the nature of the event giving rise to a suspension in any notice of suspension provided to the Holders 

(each a “Registration Default,”), then additional interest (“Additional Interest”) shall accrue on the
principal amount of the Notes at a rate of 0.25% per annum for the first 90 days commencing on the day following the Registration Default, and increasing to 0.50% thereafter, to but excluding the day on which the Registration Default has been
cured. Additional Interest will be paid semi-annually in arrears with the interest payment due on the first interest payment date following the date on which such additional Additional Interest begins to accrue; provided, however, that
(a) the Additional Interest on the Notes may not accrue under more than one of the foregoing clauses (i)-(iii) at any one time and in no event will Additional Interest accrue after the Effectiveness Period, (b) if a Holder is not able
to or does not provide the representations and information required in connection with a Shelf Registration in a timely manner and is therefore not named as a selling security holder in a Shelf Registration, the Holder will not be entitled to
receive any Additional Interest with respect to its Notes; and (c) the Partnership and the Guarantors will have no other liabilities with respect to any Registration Default. 

 

	 	(b)	The Partnership shall notify the Trustee within 3 Business Days after each and every date on which an event occurs in respect of which Additional Interest is required to be paid (an “Event Date”).

  

	5.	[INTENTIONALLY OMITTED] 

  

	6.	Registration Procedures 

 In connection with the filing of any Registration
Statement pursuant to Sections 2 or 3 hereof, the Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to) effect such registrations to permit the sale of such securities covered thereby in accordance with the intended
method or methods of disposition thereof, and pursuant thereto and in connection with any Registration Statement filed by the Partnership and the Parent hereunder, the Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to):

  

	 	(a)	Prepare and file with the SEC prior to the Filing Date, the Exchange Registration Statement or if the Exchange Registration Statement is not filed because of the circumstances contemplated by Section 2(j), a Shelf
Registration as prescribed by Section 3, and use its commercially reasonable efforts to cause such Registration Statement to become effective, as the case may be, and remain effective as provided herein. The Partnership, the Parent and each
Subsidiary Guarantor shall not file any such Registration Statement or Prospectus or any amendments or supplements thereto in respect of which the Holders must provide information for the inclusion therein (i) without the Holders being afforded
an opportunity to review such documentation with respect to such Holders’ information or (ii) if a Holder, the managing underwriters, if any, or any of their respective counsel shall reasonably object in writing on a timely basis to the
information with respect to such Holders. An aforementioned party shall be deemed to have reasonably objected to such filing if such Registration Statement, amendment, Prospectus or supplement, as applicable, as proposed to be filed, contains an
untrue statement of a material fact or omits to state any material fact necessary to make the statements therein not misleading or fails to comply with the applicable requirements of the Securities Act in each case with respect to the information
concerning such Holders. 

  
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	 	(b)	Cause the Indenture to be qualified under the TIA not later than the effective date of the first Registration Statement; and in connection therewith, to effect such changes to such Indenture as may be required for such
Indenture to be so qualified in accordance with the terms of the TIA; and execute, and use their commercially reasonable efforts to cause the Trustee to execute, all documents as may be required to effect such changes, and all other forms and
documents required to be filed with the SEC to enable the Indenture to be so qualified in a timely manner. 

  

	 	(c)	Prepare and file with the SEC such pre-effective amendments and post-effective amendments to each Shelf Registration or Exchange Registration Statement, as the case may be, as may be necessary to keep such Registration
Statement continuously effective for the Effectiveness Period or the Applicable Period, as the case may be; cause the related Prospectus to be supplemented by any Prospectus supplement required by applicable law, and as so supplemented to be filed
pursuant to Rule 424 (or any similar provisions then in force) promulgated under the Securities Act; and comply with the provisions of the Securities Act and the Exchange Act applicable to them with respect to the disposition of all securities
covered by such Registration Statement as so amended or in such Prospectus as so supplemented and with respect to the subsequent resale of any securities being sold by a Participating Broker-Dealer covered by any such Prospectus. The Partnership and
each Guarantor shall not, during the Applicable Period, voluntarily take any action that would result in selling Holders of the Registrable Notes covered by a Registration Statement or Participating Broker-Dealers seeking to sell Exchange Notes not
being able to sell such Registrable Notes or such Exchange Notes during that period, unless such action is required by applicable law, rule or regulation or permitted by this Agreement. 

 

	 	(d)	Furnish to such selling Holders and Participating Broker-Dealers who so request in writing (i) upon the Partnership’s receipt, a copy of the order of the SEC declaring such Registration Statement and any post
effective amendment thereto effective, (ii) such reasonable number of copies of such Registration Statement and of each amendment and supplement thereto (in each case including any documents incorporated therein by reference and all exhibits),
(iii) such reasonable number of copies of the Prospectus included in such Registration Statement (including each preliminary Prospectus) and each amendment and supplement thereto, and such reasonable number of copies of the final Prospectus as
filed by the Partnership and each Guarantor pursuant to Rule 424(b) under the Securities Act, in conformity with the requirements of the Securities Act and each amendment and supplement thereto, and (iv) such other documents (including any
amendments required to be filed pursuant to clause (c) of this Section), as any such Person may reasonably request in writing. The Partnership and the Guarantors hereby consent to the use of the Prospectus by each of the selling Holders of
Registrable Notes or each such Participating Broker-Dealer, as the case may be, and the underwriters or agents, if any, and dealers, if any, in connection with the offering and sale of the Registrable Notes covered by, or the sale by Participating
Broker-Dealers of the Exchange Notes pursuant to, such Prospectus and any amendment or supplement thereto. 

  
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	 	(e)	If (1) a Shelf Registration is filed pursuant to Section 3, or (2) a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is required to be delivered under the
Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period relating thereto, the Partnership and the Parent shall notify in writing the selling Holders of Registrable Notes, or each such
Participating Broker-Dealer, as the case may be, the managing underwriters, if any, and each of their respective counsel promptly (but in any event within 2 Business Days) (i) when a Prospectus or any Prospectus supplement or post-effective
amendment has been filed, and, with respect to a Registration Statement or any post-effective amendment, when the same has become effective (including in such notice a written statement that any Holder may, upon request, obtain, without charge, one
conformed copy of such Registration Statement or post-effective amendment including financial statements and schedules, documents incorporated or deemed to be incorporated by reference and exhibits), (ii) of the issuance by the SEC of any stop
order suspending the effectiveness of a Registration Statement or of any order preventing or suspending the use of any Prospectus or the initiation of any proceedings for that purpose, (iii) if at any time when a Prospectus is required by the
Securities Act to be delivered in connection with sales of the Registrable Notes the representations and warranties of the Partnership and any Guarantor contained in any agreement (including any underwriting agreement) contemplated by
Section 6(n) hereof cease to be true and correct, (iv) of the receipt by the Partnership or any Guarantor of any notification with respect to the suspension of the qualification or exemption from qualification of a Registration Statement
or any of the Registrable Notes or the Exchange Notes to be sold by any Participating Broker-Dealer for offer or sale in any jurisdiction, or the initiation or threatening of any proceeding for such purpose, (v) of the happening of any event,
the existence of any condition or any information becoming known that makes any statement made in such Registration Statement or related Prospectus or any document incorporated or deemed to be incorporated therein by reference untrue in any material
respect or that requires the making of any changes in, or amendments or supplements to, such Registration Statement, Prospectus or documents so that, in the case of the Registration Statement and the Prospectus, it will not contain any untrue
statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein, in light of the circumstances under which they were made, not misleading, (vi) of any reasonable
determination by the Partnership or any Guarantor that a post-effective amendment to a Registration Statement would be appropriate, (vii) of any request by the SEC for amendments to the Registration Statement or supplements to the Prospectus or
for additional information relating thereto, and (viii) when management of the Parent shall have determined in good faith that under circumstances relating to pending corporate developments and similar events or filing with the SEC, that the
Partnership and Parent have valid business reasons to suspend the use of the Prospectus that is part of a Shelf Registration. 

  

	 	(f)	Use its commercially reasonable efforts to prevent the issuance of any order suspending the effectiveness of a Registration Statement or of any order preventing or suspending the use of a Prospectus or suspending the
qualification (or exemption from qualification) of any of the Registrable Notes or the Exchange Notes to be sold by any Participating Broker-Dealer, for sale in any jurisdiction, and, if any such order is issued, to use its commercially reasonable
efforts to obtain the withdrawal of any such order at the earliest possible date. 

  

	 	(g)	If (A) a Shelf Registration is filed pursuant to Section 3, (B) a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is required to be delivered under the
Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period or (C) reasonably requested in writing by the 

  
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managing underwriters, if any, or the Holders of a majority in aggregate principal amount of the Registrable Notes being sold in connection with an underwritten offering, (i) promptly
incorporate in a Prospectus supplement or post-effective amendment such information or revisions to information therein relating to such underwriters or selling Holders as the managing underwriters, if any, or such Holders or any of their respective
counsel reasonably request in writing to be included or made therein and (ii) make all required filings of such Prospectus supplement or such post-effective amendment as soon as practicable after the Partnership has received notification of the
matters to be incorporated in such Prospectus supplements or post-effective amendment. 

  

	 	(h)	Prior to any public offering of Registrable Notes or any delivery of a Prospectus contained in the Exchange Registration Statement by any Participating Broker-Dealer who seeks to sell Exchange Notes during the
Applicable Period, use its commercially reasonable efforts to register or qualify, and to cooperate with the selling Holders of Registrable Notes or each such Participating Broker-Dealer, as the case may be, the underwriters, if any, and their
respective counsel in connection with the registration or qualification (or exemption from such registration or qualification) of such Registrable Notes or Exchange Notes, as the case may be, for offer and sale under the securities or Blue Sky laws
of such jurisdictions within the United States as any selling Holder, Participating Broker-Dealer or any managing underwriter or underwriters, if any, reasonably request in writing; provided that where Exchange Notes held by Participating
Broker-Dealers or Registrable Notes are offered other than through an underwritten offering, the Partnership and each Guarantor agree to cause its counsel to perform Blue Sky investigations and file any registrations and qualifications required to
be filed pursuant to this Section 6(h), keep each such registration or qualification (or exemption therefrom) effective during the period such Registration Statement is required to be kept effective and do any and all other acts or things
reasonably necessary or advisable to enable the disposition in such jurisdictions of the Exchange Notes held by Participating Broker-Dealers or the Registrable Notes covered by the applicable Registration Statement; provided that neither the
Partnership nor any Guarantor shall be required to (A) qualify generally to do business in any jurisdiction where it is not then so qualified, (B) take any action that would subject it to general service of process in any such jurisdiction
where it is not then so subject or (C) subject itself to taxation in any such jurisdiction where it is not then so subject. 

  

	 	(i)	If (A) a Shelf Registration is filed pursuant to Section 3 or (B) a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is requested to be delivered under the
Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period, cooperate with the selling Holders of Registrable Notes and the managing underwriter or underwriters, if any, to facilitate the timely
preparation and delivery of certificates representing Registrable Notes to be sold, which certificates shall not bear any restrictive legends and shall be in a form eligible for deposit with The Depository Trust Company, and enable such Registrable
Notes to be in such denominations and registered in such names as the managing underwriter or underwriters, if any, or Holders may reasonably request. 

  

	 	(j)	Use its commercially reasonable efforts to cause the Registrable Notes covered by any Registration Statement to be registered with or approved by such governmental agencies or authorities as may be necessary to enable
the seller or sellers thereof or the underwriter, if any, to consummate the disposition of such Registrable Notes, except as may be required solely as a consequence of the nature of such selling Holder’s business, 

  
 12 

	 	
in which case the Partnership and the Parent shall (and shall cause each Subsidiary Guarantor to) cooperate in all reasonable respects with the filing of such Registration Statement and the
granting of such approvals; provided that neither the Partnership nor any existing Guarantor shall be required to (A) qualify generally to do business in any jurisdiction where it is not then so qualified, (B) take any action that
would subject it to general service of process in any jurisdiction where it is not then so subject or (C) subject itself to taxation in any such jurisdiction where it is not then so subject. 

 

	 	(k)	If (1) a Shelf Registration is filed pursuant to Section 3, or (2) a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is required to be delivered under the
Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period, upon the occurrence of any event contemplated by paragraph 6(e)(v) or 6(e)(vi) hereof, as promptly as practicable, prepare and file with
the SEC, at the expense of the Partnership and the Guarantors, a supplement or post-effective amendment to the Registration Statement or a supplement to the related Prospectus or any document incorporated or deemed to be incorporated therein by
reference, or file any other required document so that, as thereafter delivered to the purchasers of the Registrable Notes being sold thereunder or to the purchasers of the Exchange Notes to whom such Prospectus will be delivered by a Participating
Broker-Dealer, such Prospectus will not contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein, in light of the circumstances under which they were
made, not misleading, and, if SEC review is required, use its commercially reasonable efforts to cause such post-effective amendment to be declared effective as soon as possible. 

 

	 	(l)	[INTENTIONALLY OMITTED] 

  

	 	(m)	Prior to the initial issuance of the Exchange Notes, (i) provide the Trustee with one or more certificates for the Registrable Notes in a form eligible for deposit with The Depository Trust Company and
(ii) provide a CUSIP number for the Exchange Notes. 

  

	 	(n)	If a Shelf Registration is filed pursuant to Section 3, enter into such agreements (including an underwriting agreement in form, scope and substance as is customary in underwritten offerings of debt securities
similar to the Notes, as may be appropriate in the circumstances) and take all such other actions in connection therewith (including those reasonably requested in writing by the managing underwriters, if any, or the Holders of a majority in
aggregate principal amount of the Registrable Notes being sold) in order to expedite or facilitate the registration or the disposition of such Registrable Notes, and in such connection, whether or not an underwriting agreement is entered into and
whether or not the registration is an Underwritten Registration, (i) make such representations and warranties to the Holders and the underwriters, if any, with respect to the business of the Parent and its subsidiaries as then conducted, and
the Registration Statement, Prospectus and documents, if any, incorporated or deemed to be incorporated by reference therein, in each case, in form, substance and scope as are customarily made by issuers to underwriters in underwritten offerings of
debt securities similar to the Notes, as may be appropriate in the circumstances, and confirm the same if and when reasonably required; (ii) obtain an opinion of counsel to the Partnership and the Guarantors and updates thereof (which counsel
and opinions (in form, scope and substance) shall be reasonably satisfactory to the managing underwriters, if any, and the Holders of a majority in aggregate principal amount of the Registrable Notes being sold), addressed to each selling Holder and
each of the underwriters, if any, covering the matters customarily 

  
 13 

	 	
covered in opinions of counsel to the Partnership and the Guarantors requested in underwritten offerings of debt securities similar to the Notes, as may be appropriate in the circumstances;
(iii) obtain “cold comfort” letters and updates thereof (which letters and updates (in form, scope and substance) shall be reasonably satisfactory to the managing underwriters) from the independent certified public accountants of the
Partnership and the Guarantors (and, if necessary, any other independent certified public accountants of any subsidiary of the Parent or of any business acquired by the Parent for which financial statements and financial data are, or are required to
be, included in the Registration Statement), addressed to each of the underwriters, such letters to be in customary form and covering matters of the type customarily covered in “cold comfort” letters in connection with underwritten
offerings of debt securities similar to the Notes, as may be appropriate in the circumstances, and such other matters as reasonably requested in writing by the underwriters; and (iv) deliver such documents and certificates as may be reasonably
requested in writing by the Holders of a majority in aggregate principal amount of the Registrable Notes being sold and the managing underwriters, if any, to evidence the continued validity of the representations and warranties of the Parent and its
subsidiaries made pursuant to clause (i) above and to evidence compliance with any conditions contained in the underwriting agreement or other similar agreement entered into by the Partnership or any Guarantor. 

 

	 	(o)	If (1) a Shelf Registration is filed pursuant to Section 3, or (2) a Prospectus contained in an Exchange Registration Statement filed pursuant to Section 2 is required to be delivered under the
Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period, make available for inspection by any selling Holder of such Registrable Notes being sold, or each such Participating Broker-Dealer, as
the case may be, any underwriter participating in any such disposition of Registrable Notes, if any, and any attorney, accountant or other agent retained by any such selling Holder or each such Participating Broker-Dealer, as the case may be, or
underwriter (collectively, the “Inspectors”), at the offices where normally kept, during reasonable business hours, all financial and other records and pertinent corporate documents of the Parent and its subsidiaries (collectively,
the “Records”) as shall be reasonably necessary to enable them to exercise any applicable due diligence responsibilities, and cause the officers, directors and employees of the Parent and its subsidiaries to supply all information
reasonably requested in writing by any such Inspector in connection with such Registration Statement. Each Inspector shall agree in writing that it will keep the Records confidential and not disclose any of the Records unless (i) the disclosure
of such Records is necessary to avoid or correct a misstatement or omission in such Registration Statement, (ii) the release of such Records is ordered pursuant to a subpoena or other order from a court of competent jurisdiction, (iii) the
information in such Records is public or has been made generally available to the public other than as a result of a disclosure or failure to safeguard by such Inspector or (iv) disclosure of such information is, in the reasonable written
opinion of counsel for any Inspector, necessary or advisable in connection with any action, claim, suit or proceeding, directly or indirectly, involving or potentially involving such Inspector and arising out of, based upon, related to, or involving
this Agreement, or any transaction contemplated hereby or arising hereunder. Each selling Holder of such Registrable Notes and each such Participating Broker-Dealer will be required to agree that information obtained by it as a result of such
inspections shall be deemed confidential and shall not be used by it as the basis for any market transactions in the securities of the Parent unless and until such is made generally available to the public. Each Inspector, each selling Holder of
such Registrable Notes and each such Participating Broker-Dealer will be required to further 

  
 14 

	 	
agree that it will, upon learning that disclosure of such Records is sought in a court of competent jurisdiction, give notice to the Parent and, to the extent practicable, use its commercially
reasonable efforts to allow the Parent, at its expense, to undertake appropriate action to prevent disclosure of the Records deemed confidential at its expense. 

  

	 	(p)	Comply with all applicable rules and regulations of the SEC and make generally available to the security holders of the Partnership with regard to any applicable Registration Statement earning statements satisfying the
provisions of section 11(a) of the Securities Act and Rule 158 thereunder (or any similar rule promulgated under the Securities Act) no later than 45 days after the end of any 12-month period (or 90 days after the end of any 12-month period if such
period is a fiscal year) (i) commencing at the end of any fiscal quarter in which Registrable Notes are sold to underwriters in a firm commitment or best efforts underwritten offering and (ii) if not sold to underwriters in such an
offering, commencing on the first day of the first fiscal quarter of the Partnership after the effective date of a Registration Statement, which statements shall cover said 12-month periods. 

 

	 	(q)	Upon consummation of an Exchange Offer or Private Exchange, obtain an opinion of counsel to the Partnership and the Guarantors (in form, scope and substance reasonably satisfactory to the Initial Purchasers), addressed
to the Trustee for the benefit of all Holders participating in the Exchange Offer or Private Exchange, as the case may be, to the effect that (i) the Partnership and the Guarantors have duly authorized, executed and delivered the Exchange Notes
or the Private Exchange Notes, as the case may be, and the Indenture and (ii) the Exchange Notes or the Private Exchange Notes, as the case may be, and the Indenture constitute legal, valid and binding obligations of the Partnership and the
Guarantors, enforceable against the Partnership and the Guarantors in accordance with their respective terms, except as such enforcement may be subject to customary United States and foreign exceptions 

 

	 	(r)	If the Exchange Offer or a Private Exchange is to be consummated, upon delivery of the Registrable Notes by the Holders to the Partnership and the Guarantors (or to such other Person as directed by the Partnership and
the Guarantors) in exchange for the Exchange Notes or the Private Exchange Notes, as the case may be, the Partnership and the Guarantors shall mark, or caused to be marked, on such Registrable Notes that the Exchange Notes or the Private Exchange
Notes, as the case may be, are being issued as substitute evidence of the indebtedness originally evidenced by the Registrable Notes; provided that in no event shall such Registrable Notes be marked as paid or otherwise satisfied.

  

	 	(s)	Cooperate with each seller of Registrable Notes covered by any Registration Statement and each underwriter, if any, participating in the disposition of such Registrable Notes and their respective counsel in connection
with any filings required to be made with FINRA. 

  

	 	(t)	[INTENTIONALLY OMITTED] 

  

	 	(u)	Use its commercially reasonable efforts to take all other steps reasonably necessary to effect the registration of the Registrable Notes covered by a Registration Statement contemplated hereby. 

  
 15 

	 	(v)	The Partnership may require each seller of Registrable Notes or Participating Broker-Dealer as to which any registration is being effected to furnish to the Partnership such information regarding such seller or
Participating Broker-Dealer and the distribution of such Registrable Notes as the Partnership may, from time to time, reasonably request in writing. The Partnership may exclude from such registration the Registrable Notes of any seller who fails to
furnish such information within a reasonable time (which time in no event shall exceed 20 days, subject to Section 3(d)) hereof) after receiving such request. Each seller of Registrable Notes or Participating Broker-Dealer as to which any
registration is being effected agrees to furnish promptly to the Partnership all information required to be disclosed in order to make the information previously furnished by such seller not materially misleading. 

 

	 	(w)	Each Holder of Registrable Notes and each Participating Broker-Dealer agrees by acquisition of such Registrable Notes or Exchange Notes to be sold by such Participating Broker-Dealer, as the case may be, that, upon
receipt of any notice from the Partnership of the happening of any event of the kind described in Section 6(e)(ii), 6(e)(iv), 6(e)(v), 6(e)(vi) or 6(e)(viii), such Holder will forthwith discontinue disposition of such Registrable Notes covered
by a Registration Statement and such Participating Broker-Dealer will forthwith discontinue disposition of such Exchange Notes pursuant to any Prospectus and, in each case, forthwith discontinue dissemination of such Prospectus until such
Holder’s or Participating Broker-Dealer’s receipt of the copies of the supplemented or amended Prospectus contemplated by Section 6(k), or until it is advised in writing (the “Advice”) by the Partnership and the
Guarantors that the use of the applicable Prospectus may be resumed, and has received copies of any amendments or supplements thereto and, if so directed by the Partnership and the Guarantors, such Holder or Participating Broker-Dealer, as the case
may be, will deliver to the Partnership all copies, other than permanent file copies, then in such Holder’s or Participating Broker-Dealer’s possession, of the Prospectus covering such Registrable Notes current at the time of the receipt
of such notice. In the event the Partnership and the Guarantors shall give any such notice, the Applicable Period shall be extended by the number of days during such periods from and including the date of the giving of such notice to and including
the date when each Participating Broker-Dealer shall have received (x) the copies of the supplemented or amended Prospectus contemplated by Section 6(k) or (y) the Advice. 

 

	7.	Registration Expenses 

  

	 	(a)	Except as set forth in Section 10, all fees and expenses incident to the performance of or compliance with this Agreement by the Partnership and the Guarantors shall be borne by the Partnership and the Guarantors,
whether or not the Exchange Offer or a Shelf Registration is filed or becomes effective, including, without limitation, (i) all registration and filing fees, including, without limitation, (A) fees with respect to filings required to be
made with FINRA in connection with any underwritten offering and (B) fees and expenses of compliance with state securities or Blue Sky laws as provided in Section 6(h) hereof (including, without limitation, reasonable fees and
disbursements of counsel in connection with Blue Sky qualifications of the Registrable Notes or Exchange Notes and determination of the eligibility of the Registrable Notes or Exchange Notes for investment under the laws of such jurisdictions
(x) where the Holders are located, in the case of the Exchange Notes, or (y) as provided in Section 6(h), in the case of Registrable Notes or Exchange Notes to be sold by a Participating Broker-Dealer during the Applicable Period)),
(ii) printing expenses, including, without limitation, expenses of printing Prospectuses if the printing of Prospectuses is reasonably requested by the 

  
 16 

	 	
managing underwriter or underwriters, if any, or otherwise as determined by the Partnership and the Parent in their sole discretion, (iii) messenger, telephone and delivery expenses incurred
in connection with the performance of their obligations hereunder, (iv) fees and disbursements of counsel for the Partnership, the Guarantors and, subject to 7(b), the Holders, (v) fees and disbursements of all independent certified public
accountants referred to in Section 6 (including, without limitation, the expenses of any special audit and “cold comfort” letters required by or incident to such performance), (vi) rating agency fees and the fees and expenses
incurred in connection with the listing of the Securities to be registered on any securities exchange (if applicable), (vii) Securities Act liability insurance, if the Partnership and the Guarantors desire such insurance, (viii) fees and
expenses of all other Persons retained by the Partnership and the Guarantors, (ix) fees and expenses of any “qualified independent underwriter” or other independent appraiser participating in an offering pursuant to the By-laws of
FINRA, but only where the need for such a “qualified independent underwriter” arises due to a relationship with the Partnership or the Guarantors, (x) internal expenses of the Partnership and the Guarantors (including, without
limitation, all salaries and expenses of officers and employees of the Partnership or the Guarantors performing legal or accounting duties), (xi) the expense of any annual audit, (xii) the fees and expenses of the Trustee and the Exchange
Agent and (xiii) the expenses relating to printing, word processing and distributing all Registration Statements, underwriting agreements, securities sales agreements, indentures and any other documents necessary in order to comply with this
Agreement. 

  

	 	(b)	The Partnership and the Guarantors shall reimburse the Holders for the reasonable fees and disbursements of not more than one counsel chosen by the Holders of a majority in aggregate principal amount of the Registrable
Notes to be included in any Registration Statement; provided, however, that the aggregate amount of fees and disbursements of such counsel shall not exceed $50,000. The Partnership and the Guarantors shall pay all documentary, stamp,
transfer or other transactional taxes attributable to the issuance or delivery of the Exchange Notes or Private Exchange Notes in exchange for the Notes; provided that the Partnership shall not be required to pay taxes payable in respect of
any transfer involved in the issuance or delivery of any Exchange Note or Private Exchange Note in a name other than that of the Holder of the Note in respect of which such Exchange Note or Private Exchange Note is being issued. The Partnership and
the Guarantors shall reimburse the Holders for fees and expenses (including reasonable fees and expenses of counsel to the Holders) relating to any enforcement of any rights of the Holders under this Agreement. 

 

	8.	Indemnification 

  

	 	(a)	 Indemnification by the Partnership and the Guarantors. The Partnership and the Guarantors jointly and severally agree to indemnify and hold
harmless each Holder of Registrable Notes, Exchange Notes or Private Exchange Notes and each Participating Broker-Dealer selling Exchange Notes during the Applicable Period, each Person, if any, who controls each such Holder (within the meaning of
Section 15 of the Securities Act or Section 20(a) of the Exchange Act) and the officers, directors and partners of each such Holder, Participating Broker-Dealer and controlling person, to the fullest extent lawful, from and against any and
all losses, claims, damages, liabilities, costs (including, without limitation, reasonable costs of preparation and reasonable attorneys’ fees as provided in this Section 8) and expenses (including, without limitation, reasonable costs and
expenses incurred in connection with investigating, preparing, pursuing or defending against any of the foregoing) (collectively, “Losses”), as incurred, directly or indirectly caused by,

  
 17 

	 	
related to, based upon, arising out of or in connection with any untrue or alleged untrue statement of a material fact contained in any Registration Statement, Prospectus or form of prospectus,
or in any amendment or supplement thereto, or in any preliminary prospectus or free writing prospectus, or any omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein,
in light of the circumstances under which they were made, not misleading, except insofar as such Losses are solely based upon information relating to such Holder or Participating Broker-Dealer and furnished in writing to the Partnership and the
Guarantors (or reviewed and approved in writing) by such Holder or Participating Broker-Dealer or their counsel expressly for use therein. The Partnership and the Guarantors also agree to indemnify underwriters, selling brokers, dealer managers and
similar securities industry professionals participating in the distribution, their officers, directors, agents and employees and each Person who controls such Persons (within the meaning of Section 5 of the Securities Act or Section 20(a)
of the Exchange Act) to the same extent as provided above with respect to the indemnification of the Holders or the Participating Broker-Dealer. 

  

	 	(b)	Indemnification by Holder. In connection with any Registration Statement, Prospectus or form of prospectus, any amendment or supplement thereto, or any preliminary prospectus in which a Holder is participating,
such Holder shall furnish to the Partnership and the Guarantors in writing such information as the Partnership and the Guarantors reasonably request for use in connection with any Registration Statement, Prospectus or form of prospectus, any
amendment or supplement thereto, or any preliminary prospectus and shall indemnify and hold harmless the Partnership, the Guarantors, their respective directors and each Person, if any, who controls the Partnership and the Guarantors (within the
meaning of Section 15 of the Securities Act and Section 20(a) of the Exchange Act), and the directors, officers and partners of such controlling persons, to the fullest extent lawful, from and against all Losses arising out of or based
upon any untrue or alleged untrue statement of a material fact contained in any Registration Statement, Prospectus or form of prospectus or in any amendment or supplement thereto or in any preliminary prospectus, or any omission or alleged omission
to state therein a material fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading to the extent, but only to the extent, that such losses are
finally judicially determined by a court of competent jurisdiction in a final, unappealable order to have resulted solely from an untrue statement or alleged untrue statement of a material fact or omission or alleged omission of a material fact
contained in or omitted from any information so furnished in writing by such Holder to the Partnership and the Guarantors expressly for use therein. Notwithstanding the foregoing, in no event shall the liability of any selling Holder be greater in
amount than such Holder’s Maximum Contribution Amount (as defined below). 

  

	 	(c)	Conduct of Indemnification Proceedings. If any proceeding shall be brought or asserted against any Person entitled to indemnity hereunder (an “Indemnified Party”), such Indemnified Party shall
promptly notify the party or parties from which such indemnity is sought (the “Indemnifying Party” or “Indemnifying Parties”, as applicable) in writing; provided, that the failure to so notify the
Indemnifying Parties shall not (i) relieve such Indemnifying Party from any obligation or liability unless and only to the extent it is materially prejudiced as a result thereof and (ii) will not, in any event, relieve the Indemnifying
Party from any obligations to any Indemnified Party. 

  
 18 

 The Indemnifying Party shall have the right, exercisable by giving written notice to an
Indemnified Party, within 20 Business Days after receipt of written notice from such Indemnified Party of such proceeding, to assume, at its expense, the defense of any such proceeding, provided, that an Indemnified Party shall have the right
to employ separate counsel in any such proceeding and to participate in the defense thereof, but the fees and expenses of such counsel shall be at the expense of such Indemnified Party or parties unless: (1) the Indemnifying Party has agreed to
pay such fees and expenses; or (2) the Indemnifying Party shall have failed promptly to assume the defense of such proceeding or shall have failed to employ counsel reasonably satisfactory to such Indemnified Party; or (3) the named
parties to any such proceeding (including any impleaded parties) include both such Indemnified Party and the Indemnifying Party or any of its affiliates or controlling persons, and such Indemnified Party shall have been advised by counsel that there
may be one or more defenses available to such Indemnified Party that are in addition to, or in conflict with, those defenses available to the Indemnifying Party or such affiliate or controlling person (in which case, if such Indemnified Party
notifies the Indemnifying Parties in writing that it elects to employ separate counsel at the expense of the Indemnifying Parties, the Indemnifying Parties shall not have the right to assume the defense and the reasonable fees and expenses of such
counsel shall be at the expense of the Indemnifying Party; it being understood, however, that, the Indemnifying Party shall not, in connection with any one such proceeding or separate but substantially similar or related proceedings in the same
jurisdiction, arising out of the same general allegations or circumstances, be liable for the fees and expenses of more than one separate firm of attorneys (together with appropriate local counsel) at any time for such Indemnified Party). 

No Indemnifying Party shall be liable for any settlement of any such proceeding effected without its written consent, which shall not be
unreasonably withheld, but if settled with its written consent, or if there be a final judgment for the plaintiff in any such proceeding, each Indemnifying Party jointly and severally agrees, subject to the exceptions and limitations set forth
above, to indemnify and hold harmless each Indemnified Party from and against any and all Losses by reason of such settlement or judgment. The Indemnifying Party shall not consent to the entry of any judgment or enter into any settlement unless such
judgment or settlement (i) includes as an unconditional term thereof the giving by the claimant or plaintiff to each Indemnified Party of a release, in form and substance reasonably satisfactory to the Indemnified Party, from all liability in
respect of such proceeding for which such Indemnified Party would be entitled to indemnification hereunder (whether or not any Indemnified Party is a party thereto) and (ii) does not include a statement as to or an admission of fault,
culpability or a failure to act by or on behalf of any Indemnified Party. 
  

	 	(d)	Contribution. If the indemnification provided for in this Section 8 is unavailable to an Indemnified Party or is insufficient to hold such Indemnified Party harmless for any Losses in respect of which this
Section 8 would otherwise apply by its terms (other than by reason of exceptions provided in this Section 8), then each applicable Indemnifying Party, in lieu of indemnifying such Indemnified Party, shall have a joint and several
obligation to contribute to the amount paid or payable by such Indemnified Party as a result of such Losses, in such proportion as is appropriate to reflect the relative fault of the Indemnifying Party, on the one hand, and such Indemnified Party,
on the other hand, in connection with the actions, statements or omissions that resulted in such Losses as well as any other relevant equitable considerations. The relative fault of such Indemnifying Party, on the one hand, and Indemnified Party, on
the other hand, shall be determined by reference to, among other things, whether any untrue or alleged untrue statement of a material fact or omission or alleged omission to state a material fact relates to information supplied by such Indemnifying
Party or Indemnified Party, and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent any such statement or omission. The amount paid or payable by an Indemnified Party as a result of any Losses
shall be deemed to include any legal or other fees or expenses incurred by such party in connection with any proceeding, to the extent such party would have been indemnified for such fees or expenses if the indemnification provided for in
Section 8(a) or 8(b) was available to such party. 

  
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 The parties hereto agree that it would not be just and equitable if contribution pursuant to this
Section 8(d) were determined by pro rata allocation or by other method of allocation that does not take account of the equitable considerations referred to in the immediately preceding paragraph. Notwithstanding the provisions of this
Section 8(d), a selling Holder shall not be required to contribute, in the aggregate, any amount in excess of such Holder’s Maximum Contribution Amount. A selling Holder’s “Maximum Contribution Amount” shall equal the
excess of (i) the aggregate proceeds received by such Holder pursuant to the sale of such Registrable Notes or Exchange Notes over (ii) the aggregate amount of damages that such Holder has otherwise been required to pay by reason of such
untrue or alleged untrue statement or omission or alleged omission. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any Person who was not
guilty of such fraudulent misrepresentation. The Holders’ obligations to contribute pursuant to this Section 8(d) are several in proportion to the respective principal amount of the Registrable Securities held by each Holder hereunder and
not joint. The Partnership’s and Guarantors’ obligations to contribute pursuant to this Section 8(d) are joint and several. 

The indemnity and contribution agreements contained in this Section 8 are in addition to any liability that the Indemnifying Parties may
have to the Indemnified Parties. 
  

	9.	Rules 144 and 144A 

 The Partnership and the Guarantors covenant that it shall
(a) file the reports required to be filed by it (if so required) under the Securities Act and the Exchange Act in a timely manner and, if at any time the Partnership or the Guarantors is not required to file such reports, it will, upon the
written request of any Holder of Registrable Notes, make publicly available other information necessary to permit sales pursuant to Rule 144 and 144A and (b) take such further action as any Holder may reasonably request in writing, all to the
extent required from time to time to enable such Holder to sell Registrable Notes without registration under the Securities Act pursuant to the exemptions provided by Rule 144 and Rule 144A. Upon the request of any Holder, the Partnership and the
Guarantors shall deliver to such Holder a written statement as to whether they have complied with such information and requirements. 
  

	10.	Underwritten Registrations of Registrable Notes 

 The Holders of Registrable Notes
who hold at least 25% in aggregate principal amount of such Registrable Notes covered by any Shelf Registration Statement who desire to do so may sell such Registrable Notes in an underwritten offering; provided, that each Holder shall bear
such Holder’s proportionate share (based on the total number of Registrable Notes sold in such registration) of all discounts and commissions payable to the underwriters or brokers and all transfer taxes and transfer fees in connection with a
registration of Registrable Notes pursuant to this Agreement. If any of the Registrable Notes covered by any Shelf Registration is to be sold in an underwritten offering, the investment banker or investment bankers and manager or managers that will
manage the offering will be selected by the Partnership and the Parent. 
 No Holder of Registrable Notes may participate in any
underwritten registration hereunder unless such Holder (a) agrees to sell such Holder’s Registrable Notes on the basis provided in any underwriting arrangements approved by the Persons entitled hereunder to approve such arrangements and
(b) completes and executes all questionnaires, powers of attorney, indemnities, underwriting agreements and other documents required under the terms of such underwriting arrangements. 

  
 20 

	11.	Miscellaneous 

  

	 	(a)	Remedies. In the event of a breach by either the Partnership or any of the Guarantors of any of their respective obligations under this Agreement, and except with respect to a Registration Default, each Holder,
in addition to being entitled to exercise all rights provided herein, in the Indenture or, in the case of the Initial Purchasers, in the Purchase Agreement, or granted by law, including recovery of damages, will be entitled to specific performance
of its rights under this Agreement. The Partnership and the Guarantors agree that, except with respect to a Registration Default, monetary damages would not be adequate compensation for any loss incurred by reason of a breach by either the
Partnership or any of the Guarantors of any of the provisions of this Agreement and hereby further agree that, in the event of any action for specific performance in respect of such breach, the Partnership and the Parent shall (and shall cause each
Subsidiary Guarantor to) waive the defense that a remedy at law would be adequate. 

  

	 	(b)	No Inconsistent Agreements. The Partnership and each of the Guarantors have not entered, as of the date hereof, and the Partnership and each of the Guarantors shall not enter, after the date of this Agreement,
into any agreement with respect to any of its securities that is inconsistent with the rights granted to the Holders of Securities in this Agreement or otherwise conflicts with the provisions hereof. The Partnership and each of the Guarantors have
not entered and will not enter into any agreement with respect to any of its securities that will grant to any Person piggy-back rights with respect to a Registration Statement. 

 

	 	(c)	Adjustments Affecting Registrable Notes. The Partnership and the Guarantors shall not, directly or indirectly, take any action with respect to the Registrable Notes as a class that would adversely affect the
ability of the Holders to include such Registrable Notes in a registration undertaken pursuant to this Agreement. 

  

	 	(d)	Amendments and Waivers. The provisions of this Agreement may not be amended, modified or supplemented, and waivers or consents to departures from the provisions hereof may not be given, otherwise than with the
prior written consent of the Holders of not less than a majority in aggregate principal amount of the then outstanding Registrable Notes in circumstances that would adversely affect any Holders of Registrable Notes; provided, however,
that Section 8 and this Section 11(d) may not be amended, modified or supplemented without the prior written consent of each Holder. Notwithstanding the foregoing, a waiver or consent to depart from the provisions hereof with respect to a
matter that relates exclusively to the rights of Holders of Registrable Notes whose securities are being tendered pursuant to the Exchange Offer or sold pursuant to a Notes Registration Statement and that does not directly or indirectly affect,
impair, limit or compromise the rights of other Holders of Registrable Notes may be given by Holders of at least a majority in aggregate principal amount of the Registrable Notes being tendered or being sold by such Holders pursuant to such Notes
Registration Statement. 

  

	 	(e)	Notices. All notices and other communications provided for or permitted hereunder shall be made in writing by hand delivery, registered first-class mail, next-day air courier or telecopier: 

 

	 	(i)	if to a Holder of Securities or to any Participating Broker-Dealer, at the most current address of such Holder or Participating Broker-Dealer, as the case may be, set forth on the records of the registrar of the Notes,
with a copy in like manner to the Initial Purchasers as follows: 

  
 21 

 Goldman, Sachs & Co. 

200 West Street 
 New York, NY
10282-2198 
 with a copy to: 

Davis Polk & Wardwell LLP 

450 Lexington Avenue 
 New York,
New York 
 Attention: Alan Dean, Esq. 
  

	 	(ii)	if to the Initial Purchasers, at the address specified in Section 11(e)(1); 

  

	 	(iii)	if to the Partnership or any Guarantor, as follows: 

 DuPont Fabros Technology, L.P. 

1212 New York Avenue, NW, Suite 900 

Washington D.C. 20005 

Attention: Hossein Fateh 
 with
a copy to: 
 Hogan Lovells US LLP 

555 13th Street NW 
 Washington,
DC 20004 
 Attention: Stuart A. Barr, Esq. 

All such notices and communications shall be deemed to have been duly given: when delivered by hand, if personally delivered; five business
days after being deposited in the United States mail, postage prepaid, if mailed; one business day after being timely delivered to a next-day air courier guaranteeing overnight delivery; and when receipt is acknowledged by the addressee, if
telecopied. 
 Copies of all such notices, demands or other communications shall be concurrently delivered by the Person giving the same to
the Trustee under the Indenture at the address specified in such Indenture. 
  

	 	(f)	Successors and Assigns. This Agreement shall inure to the benefit of and be binding upon the successors and assigns of each of the parties hereto, including, without limitation and without the need for an express
assignment, subsequent Holders of Securities. 

  

	 	(g)	Counterparts. This Agreement may be executed in any number of counterparts and by the parties hereto in separate counterparts, each of which when so executed shall be deemed to be an original and all of which
taken together shall constitute one and the same agreement. 

  
 22 

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

 

	 	(i)	Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF LAW. EACH OF THE PARTNERSHIP AND EACH OF THE
GUARANTORS HEREBY IRREVOCABLY SUBMIT TO THE JURISDICTION OF ANY NEW YORK STATE COURT SITTING IN THE BOROUGH OF MANHATTAN IN THE CITY OF NEW YORK OR ANY FEDERAL COURT SITTING IN THE BOROUGH OF MANHATTAN IN THE CITY OF NEW YORK IN RESPECT OF ANY SUIT,
ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT, AND IRREVOCABLY ACCEPTS FOR ITS AND IN RESPECT OF ITS PROPERTY, GENERALLY AND UNCONDITIONALLY, JURISDICTION OF THE AFORESAID COURTS. EACH OF THE PARTNERSHIP AND EACH OF THE
GUARANTORS IRREVOCABLY WAIVES, TO THE FULLEST EXTENT IT MAY EFFECTIVELY DO SO UNDER APPLICABLE LAW, TRIAL BY JURY AND ANY OBJECTION THAT IT MAY NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN ANY SUCH
COURT AND ANY CLAIM THAT ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM. EACH OF THE PARTNERSHIP AND EACH OF THE GUARANTORS IRREVOCABLY CONSENTS, TO THE FULLEST EXTENT IT MAY EFFECTIVELY DO SO
UNDER APPLICABLE LAW, TO THE SERVICE OF PROCESS OF ANY OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR PROCEEDING BY THE MAILING OF COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO THE PARTNERSHIP OR THE GUARANTORS AT ITS SAID
ADDRESS, SUCH SERVICE TO BECOME EFFECTIVE 30 DAYS AFTER SUCH MAILING. NOTHING HEREIN SHALL AFFECT THE RIGHT OF ANY HOLDER TO SERVE PROCESS IN ANY OTHER MANNER PERMITTED BY LAW OR TO COMMENCE LEGAL PROCEEDINGS OR OTHERWISE PROCEED AGAINST THE
PARTNERSHIP OR ANY GUARANTOR IN ANY OTHER JURISDICTION. 

  

	 	(j)	Severability. If any term, provision, covenant or restriction of this Agreement is held by a court of competent jurisdiction to be invalid, illegal, void or unenforceable, the remainder of the terms, provisions,
covenants and restrictions set forth herein shall remain in full force and effect and shall in no way be affected, impaired or invalidated, and the parties hereto shall use their commercially reasonable efforts to find and employ an alternative
means to achieve the same or substantially the same result as that contemplated by such term, provision, covenant or restriction. It is hereby stipulated and declared to be the intention of the parties that they would have executed the remaining
terms, provisions, covenants and restrictions without including any of such that may be hereafter declared invalid, illegal, void or unenforceable. 

  

	 	(k)	Securities Held by the Partnership or Its Affiliates. Whenever the consent or approval of Holders of a specified percentage of Securities is required hereunder, Securities held by the Partnership or its
affiliates (as such term is defined in Rule 405 under the Securities Act) shall not be counted in determining whether such consent or approval was given by the Holders of such required percentage. 

  
 23 

	 	(l)	Third Party Beneficiaries. Holders and Participating Broker-Dealers are intended third party beneficiaries of this Agreement and this Agreement may be enforced by such Persons. 

 

	 	(m)	Entire Agreement. This Agreement, together with the Purchase Agreement and the Indenture, is intended by the parties as a final and exclusive statement of the agreement and understanding of the parties hereto in
respect of the subject matter contained herein and therein and any and all prior oral or written agreements, representations, or warranties, contracts, understanding, correspondence, conversations and memoranda between the Initial Purchasers on the
one hand and the Partnership and the Guarantors on the other, or between or among any agents, representatives, parents, subsidiaries, affiliates, predecessors in interest or successors in interest with respect to the subject matter hereof and
thereof are merged herein and replaced hereby. 

  

	 	(n)	Additional Guarantors. So long as any Registrable Notes remain outstanding, the Partnership will cause each Additional Guarantor upon the creation or acquisition by the Partnership of such Additional Guarantor,
to execute a counterpart to this Agreement in the form attached hereto as Annex A and to deliver such counterpart to the Initial Purchasers no later than five Business Days following the execution thereof. 

  
 24 

 SIGNATURES 

IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first written above. 

 

											
	DUPONT FABROS TECHNOLOGY, L.P.,
	a Maryland limited partnership, as Issuer
		
	By:	 	DuPont Fabros Technology, Inc.,
		 	a Maryland corporation,
		 	its sole General Partner
			
		 	By:	 	 /s/ Richard A. Montfort, Jr.

		 	Name:	 	Richard A. Montfort, Jr.
		 	Title:	 	General Counsel & Secretary
	
	DUPONT FABROS TECHNOLOGY, INC.,
	a Maryland corporation, as Guarantor
		
	By:	 	 /s/ Richard A. Montfort, Jr.

	Name:	 	Richard A. Montfort, Jr.
	Title:	 	General Counsel & Secretary
	
	THE FOLLOWING PARTIES AS
	SUBSIDIARY GUARANTORS:
		
		 	GRIZZLY EQUITY LLC,
		 	 a Delaware limited liability company,

		 	 its Managing Member

			
		 	By:	 	DuPont Fabros Technology, L.P.,
		 		 	a Maryland limited partnership,
		 		 	its Managing Member
						
		 		 		 		 	By:	 	DuPont Fabros Technology, Inc.,
		 		 		 		 		 	a Maryland corporation,
		 		 		 		 		 	its General Partner
					
		 		 		 	By:	 	 /s/ Richard A. Montfort, Jr.

		 		 		 	Name:	 	Richard A. Montfort, Jr.
		 		 		 	Title: 	 	General Counsel & Secretary

  
 Registration Rights
Agreement 

 
							
	GRIZZLY VENTURES LLC,
	a Delaware limited liability company
		
	By:	 	Grizzly Equity LLC,
		 	a Delaware limited liability company,
		 	its Managing Member
			
		 	 By:
	 	 DuPont Fabros Technology, L.P.,

a Maryland limited partnership,
 its Managing Member

				
		 		 	By:	 	DuPont Fabros Technology, Inc.,
		 		 		 	a Maryland corporation,
		 		 		 	its General Partner
				
		 		 	By:	 	 /s/ Richard A. Montfort, Jr.

		 		 	Name:	 	Richard A. Montfort, Jr.
		 		 	Title:	 	General Counsel & Secretary
	
	LEMUR PROPERTIES LLC,
	a Delaware limited liability company
		
	By:	 	DuPont Fabros Technology, L.P.,
		 	a Maryland limited partnership,
		 	its Managing Member
		
	By:	 	DuPont Fabros Technology, Inc.,
		 	 a Maryland corporation,
 its
General Partner

			
		 	By:	 	/s/ Richard A. Montfort, Jr.
		 	Name:	 	Richard A. Montfort, Jr.
		 	Title:	 	General Counsel & Secretary
	
	PORPOISE VENTURES LLC,
	a Delaware limited liability company
		
	By:	 	DuPont Fabros Technology, L.P.,
		 	a Maryland limited partnership,
		 	its Managing Member
		
	By:	 	DuPont Fabros Technology, Inc.,
		 	a Maryland corporation,
		 	its General Partner

  
 Registration Rights
Agreement 

 
							
		 		 	By:	 	 /s/ Richard A. Montfort, Jr.

		 		 	Name:	 	Richard A. Montfort, Jr.
		 		 	Title:	 	General Counsel & Secretary
	
	RHINO EQUITY LLC,
	a Delaware limited liability company
		
	By:	 	DuPont Fabros Technology, L.P.,
		 	a Maryland limited partnership,
		 	its Managing Member
		
	By:	 	DuPont Fabros Technology, Inc.,
		 	a Maryland corporation,
		 	its General Partner
				
		 		 	By:	 	 /s/ Richard A. Montfort, Jr.

		 		 	Name:	 	Richard A. Montfort, Jr.
		 		 	Title:	 	General Counsel & Secretary
	
	TARANTULA INTERESTS LLC,
	a Delaware limited liability company
	its Managing Member
		
	By:	 	DuPont Fabros Technology, L.P.,
		 	a Maryland limited partnership,
		 	its Managing Member
		
	By:	 	DuPont Fabros Technology, Inc.,
		 	a Maryland corporation,
		 	its General Partner
				
		 		 	By:	 	 /s/ Richard A. Montfort, Jr.

		 		 	Name:	 	Richard A. Montfort, Jr.
		 		 	Title:	 	General Counsel & Secretary

  
 Registration Rights
Agreement 

 
					
	 TARANTULA VENTURES LLC,
 a Delaware
limited liability company

		
	 By:  
	 	 Tarantula Interests LLC,
 a Delaware
limited liability company
 its Managing Member

			
		 	By:	 	 DuPont Fabros Technology, L.P.,
 a Maryland
limited partnership,
 its Managing Member

			
		 	 By:
	 	 DuPont Fabros Technology, Inc.,
 a Maryland
corporation,
 its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary
	
	 WHALE HOLDINGS LLC,
 a Delaware
limited liability company

		
	 By:
	 	 DuPont Fabros Technology, L.P.,
 a
Maryland limited partnership,
 its Managing Member

			
		 	By:	 	 DuPont Fabros Technology, Inc.,

a Maryland corporation,

its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary

  
 Registration Rights Agreement 

 
									
	 WHALE INTERESTS LLC,

a Delaware limited liability company

		
	 By:  
	 	 Whale Holdings LLC,
 a Delaware
limited liability company,
 its Managing Member

				
		 		 	     By:  
	 	 DuPont Fabros Technology, L.P.,

a Maryland limited partnership,
 its Managing Member

					
		 		 		 	By:  	 	 DuPont Fabros Technology, Inc., a Maryland corporation,

its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary
	
	 WHALE VENTURES LLC,
 a Delaware
limited liability company

		
	 By:  
	 	 Whale Interests LLC,
 a Delaware
limited liability company,
 its Managing Member

			
		 	 By:  
	 	 Whale Holdings LLC,

a Delaware limited liability company,
 its
Managing Member

				
		 		 	 By:  
	 	 DuPont Fabros Technology, L.P.,
 a
Maryland limited partnership,
 its Managing Member

					
		 		 		 	 By:
	 	 DuPont Fabros Technology, Inc.,

a Maryland corporation,
 its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary

  
 Registration Rights Agreement 

 
									
	 YAK MANAGEMENT LLC,

a Delaware limited liability company

			
		 	 By:  
	 	 DuPont Fabros Technology, L.P.,

a Maryland limited partnership,
 its Managing Member

			
		 	By:  	 	 DuPont Fabros Technology, Inc.,
 a
Maryland corporation,
 its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary
	
	 YAK INTERESTS LLC,

a Delaware limited liability company

		
	 By:  
	 	 Yak Management LLC,
 a Delaware
limited liability company,
 its Managing Member

				
		 		 	 By:  
	 	 DuPont Fabros Technology, L.P.,
 a
Maryland limited partnership,
 its Managing Member

				
		 		 	 By:  
	 	 DuPont Fabros Technology, Inc.,
 a
Maryland corporation,
 its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary

  
 Registration Rights Agreement 

 
									
	 XERES MANAGEMENT LLC,

a Delaware limited liability company

		
	 By:  
	 	 DuPont Fabros Technology, L.P.,

a Maryland limited partnership,
 its Managing Member

			
		 	By:	 	 DuPont Fabros Technology, Inc.,
 a
Maryland corporation,
 its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary
	
	 XERES INTERESTS LLC,
 a Delaware
limited liability company

		
	 By:  
	 	 Xeres Management LLC,
 a Delaware
limited liability company,
 its Managing Member

			
		 	By:	 	 DuPont Fabros Technology, L.P.,
 a
Maryland limited partnership,
 its Managing Member

				
		 		 	     By:  
	 	 DuPont Fabros Technology, Inc.,
 a
Maryland corporation,
 its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary

  
 Registration Rights Agreement 

									
	 XERES VENTURES LLC,

a Delaware limited liability company

		
	 By:  
	 	 Xeres Management LLC,
 a Delaware
limited liability company,
 its Managing Member

			
		 	By:	 	 DuPont Fabros Technology, L.P.,
 a
Maryland limited partnership,
 its Managing Member

				
		 		 	     By:  
	 	 DuPont Fabros Technology, Inc.,
 a
Maryland corporation,
 its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary
	
	 FOX PROPERTIES LLC,
 a Delaware
limited liability company

		
	 By:  
	 	 DuPont Fabros Technology, L.P.,

a Maryland limited partnership,
 its Managing Member

		
	 By:  
	 	 DuPont Fabros Technology, Inc.,

its General Partner

			
		 	 By:
	 	 /s/ Richard A. Montfort, Jr.

		 	 Name:
	 	Richard A. Montfort, Jr.
		 	 Title:
	 	General Counsel & Secretary

  
 Registration Rights Agreement 

			
	 ACCEPTED AND AGREED TO:
 For itself
and on behalf of the
 Initial Purchasers listed in Schedule I hereto

	
	GOLDMAN, SACHS & CO.
		
	By:	 	/s/ Michael Hickey
	 Name: Michael Hickey
 Title: Vice
President

  
 Registration Rights Agreement 

 SCHEDULE I 

INITIAL PURCHASERS 

Goldman, Sachs & Co. 
 RBC
Capital Markets, LLC 
 Key Banc Capital Markets Inc. 

SunTrust Robinson Humphrey, Inc. 

Credit Suisse Securities (USA) LLC 

Raymond James & Associates, Inc. 

RBS Securities Inc. 
 TD
Securities (USA) LLC 
 Stifel, Nicolaus & Company, Incorporated 

TAP Securities LLC 
  

 
 Registration Rights Agreement 

 Annex A 

Counterpart to Registration Rights Agreement 

The undersigned hereby absolutely, unconditionally and irrevocably agrees as a Guarantor (as defined in the Registration Rights Agreement,
dated as of September 24, 2013 by and among DuPont Fabros Technology, L.P., a Maryland limited partnership, the guarantors party thereto and Goldman, Sachs & Co., on behalf of itself and the other Initial Purchasers listed in Schedule
I thereto) to be bound by the terms and provisions of such Registration Rights Agreement. 
 IN WITNESS WHEREOF, the undersigned has
executed this counterpart as of             . 
  

			
	[NAME]
		
	By:	 	 
	Name:
	Title:

  
 Registration Rights AgreementExhibit 4.1

 

 
  
 QTS 
 CLASS A COMMON STOCK 

SEE REVERSE FOR CERTAIN DEFINITIONS 
 CUSIP 74736A 10 3 
 FULLY PAID AND NONASSESSABLE
SHARES OF THE CLASS A COMMON STOCK, $0.01 PAR VALUE, OF 
 transferable on the books of the Corporation in person
or by duly authorized attorney upon surrender of the certificate properly endorsed. This certificate is not valid until 
 countersigned by the Transfer Agent and registered by the Registrar. 
 WITNESS the facsimile signatures of the Corporation’s duly authorized officers. 
 Dated: 
 QTS Realty Trust, Inc. 

INCORPORATED UNDER THE LAWS OF THE STATE OF MARYLAND 

COUNTERSIGNED AND REGISTERED: 
 COMPUTERSHARE TRUST COMPANY, N.A. 
 TRANSFER AGENT

 AND REGISTRAR 
 BY: 
 AUTHORIZED SIGNATURE 

CHIEF EXECUTIVE OFFICECHIEF FINANCIAL OFFICER R 
 THIS CERTIFICATE IS TRANSFERABLE 
 IN CANTON, MA,
JERSEY CITY, NJ 
 AND COLLEGE STATION, TX 

 

 
  
 The
following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were 
 written out in full according to applicable laws or regulations: 
 TEN COM 
 TEN ENT 

JT TEN 
 as tenants in common 
 as tenants by the entireties

 as joint tenants with right 
 of survivorship and not as 
 tenants in common

 UNIF GIFT (TRANS) MIN ACT Custodian 
 (Cust) (Minor) 
 under Uniform Gifts (Transfer) to
Minors 
 Act 
 (State) 
 Additional abbreviations may also be used
though not in the above list. 
 ––– 

FOR VALUE RECEIVED, hereby sells, assigns and transfers unto 

PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING ZIP CODE OF ASSIGNEE 

Shares 
 of the stock represented by the within Certificate, and do hereby irrevocably constitute and appoint 
 Attorney 
 to transfer the said stock on the books
of the within-named Corporation with full power of substitution in the 
 premises. 

Dated 
 PLEASE INSERT SOCIAL SECURITY OR OTHER 

IDENTIFYING NUMBER OF ASSIGNEE 
 Signature(s) Guaranteed 
 By 

THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, 

STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN 

APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15. 

NOTICE: THE SIGNATURES TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME(S) AS WRITTEN UPON THE 

FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER. 

The Corporation will furnish to any stockholder, on request and without charge, a full statement of the designations and
any preferences, conversion 
 and other rights, voting powers, restrictions, limitations as to dividends or
distributions, qualifications, and terms and conditions of redemption of the 
 shares of each class which the
Corporation is authorized to issue, of the differences in the relative rights and preferences between the shares of 
 each series of a preferred or special class which the Corporation is authorized to issue, of the differences in the relative rights and preferences 

between the shares of each series of a preferred or special class which the Corporation is authorized to issue in series,
to the extent they have 
 been set, and of the authority of the Board of Directors to set the relative rights
and preferences of subsequent series of a preferred or special class 
 of shares. Such request may be made to
the Secretary of the Corporation or its transfer agent. 
 The shares represented by this certificate are subject
to restrictions on Beneficial Ownership, Constructive Ownership and Transfer. Subject to 
 certain further
restrictions and except as expressly provided in the Corporation’s Charter, (i) no Person may Beneficially Own or Constructively Own 
 shares of the Corporation’s Common Stock in excess of 6% (in value or number of shares, whichever is more restrictive) of the outstanding shares 

of Common Stock of the Corporation, other than (A) an Excepted Holder, or (B) a Designated Investment Entity; (ii) no
Person may Beneficially Own 
 or Constructively Own shares of the Corporation’s Preferred Stock of the
Corporation in excess of 6% (in value or number of shares, whichever is 
 more restrictive) of the total
outstanding shares of such class or series of Preferred Stock of the Corporation; (iii) no Excepted Holder may 

Beneficially Own or Constructively Own shares of the Corporation’s Common Stock in excess of the Excepted Holder
Limit for such Excepted 
 Holder, as set forth in the Corporation’s Charter; (iv) no Designated Investment
Entity may Beneficially Own or Constructively Own shares of the 
 Corporation’s Common Stock or shares of
the Corporation’s Preferred Stock in excess of 9.8% (in value or number of shares, whichever is more 

restrictive) of the outstanding shares of Common Stock or Preferred Stock of the Corporation, as applicable; (v) no Person
may Beneficially Own 
 or Constructively Own shares of the Corporation’s Capital Stock that would result in
the Corporation being “closely held” under Section 856(h) of 
 the Code or otherwise cause the
Corporation to fail to qualify as a REIT; (vi) no Person may Beneficially Own or Constructively Own shares of the 
 Corporation’s Capital Stock that would result in the Corporation owning (directly or indirectly) an interest in a tenant that is described in Section 

856(d)(2)(B) of the Code if the income derived by the Corporation (either directly or indirectly through one or more
partnerships or limited liability 
 companies) from such tenant for the taxable year of the Corporation during
which such determination is being made would reasonably be expected 
 to equal or exceed the lesser of (a) one
percent (1%) of the Corporation’s gross income (as determined for purposes of Section 856(c) of the Code), 

or (b) an amount that would cause the Corporation to fail to satisfy any of the gross income requirements of Section
856(c) of the Code; and (vii) 
 no Person may Transfer shares of Capital Stock if such Transfer would result in
the Capital Stock of the Corporation being owned by fewer than 100 
 Persons (as determined under the principles
of Section 856(a)(5) of the Code). Any Person who Beneficially Owns or Constructively Owns, 
 Transfers or
attempts to Beneficially Own or Constructively Own shares of Capital Stock which causes or will cause a Person to Beneficially Own 
 or Constructively Own shares of Capital Stock in excess or in violation of the above limitations set forth must immediately notify the Corporation. If 

certain of the restrictions on transfer or ownership above are violated, the shares of Capital Stock represented hereby
will be automatically 
 Transferred to a Charitable Trustee of a Charitable Trust for the benefit of one or more
Charitable Beneficiaries. In addition, the Corporation may 
 take other actions, including redeeming Capital
Stock upon the terms and conditions specified by the Board of Directors in its sole and absolute 
 discretion if
the Board of Directors determines that ownership or a Transfer or Non-Transferring Event may violate the restrictions described above. 
 Furthermore, upon the occurrence of certain events, attempted Transfers in violation of the restrictions described above may be void ab initio. A 

Person who attempts to Beneficially Own or Constructively Own shares of Capital Stock in violation of the ownership
limitations described above 
 shall have no claim, cause of action, or any recourse whatsoever against a
transferor of such shares. 
 All capitalized terms in this legend have the meanings defined in the
Corporation’s Charter, as the same may be amended from time to time, a copy 
 of which, including the
restrictions on transfer and ownership, will be furnished to each holder of shares of Capital Stock of the Corporation on 
 request and without charge. Requests for such a copy may be directed to the Secretary of the Corporation at its Principal Office.

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