Document:

Exhibit 10.1

 Exhibit 10.1 
 EXECUTION COPY 
  

 
  

UNDERWRITING AGREEMENT 
 AMERICAN CAPITAL AGENCY CORP. 
 (a Delaware corporation) 

23,400,000 Shares of Common Stock 
 Dated: January 13, 2011 
  

 
  

 AMERICAN CAPITAL AGENCY CORP. 

(a Delaware corporation) 
 23,400,000 Shares of Common Stock 
 (Par Value $0.01 Per Share)

 UNDERWRITING AGREEMENT 
 January 13, 2011 
 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Deutsche Bank Securities Inc. 
 UBS Securities LLC 
 c/o Citigroup Global Markets Inc. 

388 Greenwich Street 
 New York, NY 10013

 As Representatives of the several Underwriters 
 Ladies and Gentlemen: 
 American Capital Agency Corp., a Delaware corporation (the
“Company”) and American Capital Agency Management, LLC, a Delaware limited liability company and manager of the Company (the “Manager”), confirm their agreement with each of the Underwriters named in
Schedule I hereto (collectively, the “Underwriters,” which term shall also include any underwriter hereinafter substituted as provided in Section 10 hereof), for whom Merrill Lynch, Pierce, Fenner & Smith
Incorporated, Citigroup Global Markets Inc., Deutsche Bank Securities Inc. and UBS Securities LLC are acting as representatives (in such capacity, if and as applicable, the “Representatives”), with respect to (i) the sale by
the Company and the purchase by the Underwriters, acting severally and not jointly, of 23,400,000 shares of common stock, par value $0.01 per share, of the Company (“Common Stock”) and (ii) the grant by the Company to the
Underwriters, acting severally and not jointly, of the option described in Section 2(b) hereof to purchase all or any part of 3,510,000 additional shares of Common Stock to cover over allotments, if any. The aforesaid 23,400,000 shares of
Common Stock (the “Initial Securities”) to be purchased by the Underwriters and all or any part of the 3,510,000 shares of Common Stock subject to the option described in Section 2(b) hereof (the “Option
Securities”) are hereinafter called, collectively, the “Securities.” 

  
 1 

 The Company and the Manager understand that the Underwriters propose to make a public
offering of the Securities as soon as the Representatives deem advisable after this Agreement has been executed and delivered. 

Section 1. Representations and Warranties. 
 (a) Representations and Warranties by the Company. The Company represents and warrants to each Underwriter as of the date hereof, as of the Applicable Time referred to in Section 1(a)(iii)
hereof, as of the Closing Time referred to in Section 2(c) hereof, and as of each Date of Delivery (if any) referred to in Section 2(b) hereof, and agrees with each Underwriter, as follows: 

(i) Compliance with Registration Requirements. The Company has filed with the Securities and Exchange Commission
(the “Commission”) a shelf registration statement on Form S-3 (File No. 333-170374) under the Securities Act of 1933, as amended (the “1933 Act”), in respect of the Common Stock (including the Securities) on
November 4, 2010, which contains a base prospectus, to be used in connection with the public offering and sale of the Securities; the Company satisfies all eligibility requirements for use of Form S-3 as contemplated by such registration
statement and this Agreement; such registration statement became effective under the 1933 Act upon filing; the Company has complied to the Commission’s satisfaction with all requests of the Commission for additional or supplemental information
with respect to such registration statement or otherwise; no stop order suspending the effectiveness of such registration statement or any part thereof has been issued and no proceeding for that purpose has been initiated or, to the knowledge of the
Company, threatened by the Commission, and no notice of objection of the Commission to the use of such form of registration statement or any post-effective amendment thereto has been received by the Company (the base prospectus filed as part of such
registration statement, in the form in which it was filed with the Commission on or prior to the date of this Agreement, is hereinafter called the “Basic Prospectus”); the various parts of such registration statement, including all
exhibits thereto and any prospectus supplement or prospectus relating to the Securities that is filed with the Commission and deemed by virtue of Rule 430B under the 1933 Act to be part of such registration statement (any such information that was
omitted from such registration statement at the time it became effective but that was deemed to be a part and included in such registration statement pursuant to Rule 430B under the 1933 Act is referred to as “430B
Information”), each as amended at each time such part of the registration statement became effective, are hereinafter collectively called the “Registration Statement”; each preliminary prospectus used in connection with the
offering of the Securities that omitted Rule 430B Information, including the related Basic Prospectus in the form first filed by the Company pursuant to Rule 424(b) under the 1933 Act is herein called, a “Preliminary
Prospectus”; the final prospectus supplement specifically relating to the Securities prepared and filed with the Commission pursuant to Rule 424(b) under the 1933 Act is hereinafter called the “Prospectus Supplement”; the
Basic Prospectus, as amended and supplemented by the Prospectus Supplement, is hereinafter called the “Prospectus”; any reference herein to the Basic Prospectus, each Preliminary Prospectus or the Prospectus shall be deemed to refer
to and include the documents incorporated by reference therein pursuant to Item 12 of Form S-3 under the 1933 Act; provided, however, that no representation or warranty included in any exhibit

  
 2 

 
to any such incorporated document, other than the representations and warranties contained herein, is deemed to be made to you; any reference to any amendment or supplement to the Basic
Prospectus, any Preliminary Prospectus or the Prospectus shall be deemed to refer to and include any post-effective amendment to the Registration Statement, any prospectus supplement or base prospectus relating to the Securities filed with the
Commission pursuant to Rule 424(b) under the 1933 Act and any documents filed under the Securities Exchange Act of 1934, as amended (the “1934 Act”), and incorporated therein, in each case after the date of the Basic Prospectus,
each Preliminary Prospectus or the Prospectus, as the case may be; any reference to any amendment to the Registration Statement shall be deemed to refer to and include any annual report of the Company filed pursuant to Section 13(a) or 15(d) of
the 1934 Act after the effective date of the Registration Statement that is incorporated by reference in the Registration Statement. 
 (ii) No order preventing or suspending the use of the Registration Statement, the Basic Prospectus, any Preliminary Prospectus, the Prospectus or any Issuer Free Writing Prospectus has been issued by the
Commission, and the Registration Statement, the Basic Prospectus, each Preliminary Prospectus and the Prospectus, at the time of filing thereof and at the time it became effective, as applicable, conformed in all material respects to the
requirements of the 1933 Act and the rules and regulations of the Commission thereunder (the “1933 Act Regulations”) and did not and will not as of the Closing Time and each Date of Delivery (if any) 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 the light of the circumstances under which they were made, not misleading. 

(iii) For the purposes of this Agreement, the “Applicable Time” means 8:30 a.m. (New York City time) on
January 14, 2011; the applicable Issuer General Use Free Writing Prospectus(es) issued at or prior to the Applicable Time and each Preliminary Prospectus issued at or prior to the Applicable Time, as most recently amended or supplemented
immediately prior to the Applicable Time, taken together (collectively, and, with respect to any Securities, together with the information included on Schedule II hereto, all considered together, the “General Disclosure
Package”) as of the Applicable Time, the Closing Time and each Date of Delivery (if any), does not and will not include any untrue statement of a material fact or omit to state any material fact necessary in order to make the statements
therein, in the light of the circumstances under which they were made, not misleading; and each such Issuer Limited Use Free Writing Prospectus, as supplemented by and taken together with the General Disclosure Package as of such Applicable Time,
the Closing Time and each Date of Delivery (if any), will not include any untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they
were made, not misleading. 
 As used in this subsection and elsewhere in this Agreement: 

“Issuer Free Writing Prospectus” means any “issuer free writing prospectus,” as defined in Rule
433 of the 1933 Act Regulations (“Rule 433”), relating to the Securities that (i) is required to be filed with the Commission by the Company, (ii) is a “road show that is a written communication” within the
meaning of Rule 433(d)(8)(i), whether or not 

  
 3 

 
required to be filed with the Commission or (iii) is exempt from filing pursuant to Rule 433(d)(5)(i) because it contains a description of the Securities or of the offering that does not
reflect the final terms, in each case in the form filed or required to be filed with the Commission or, if not required to be filed, in the form retained in the Company’s records pursuant to Rule 433(g). 

“Issuer General Use Free Writing Prospectus” means any Issuer Free Writing Prospectus that is intended
for general distribution to prospective investors, as evidenced by its being specified in Schedule III hereto. 
 “Issuer Limited Use Free Writing Prospectus” means any Issuer Free Writing Prospectus that is not an Issuer General Use Free Writing Prospectus. 

(iv) Issuer Free Writing Prospectus. Each Issuer Free Writing Prospectus, as of its issue date and at all
subsequent times through the completion of the public offer and sale of the Securities or until any earlier date that the issuer notified or notifies the Representatives as described in Section 3(e), did not, does not and will not include any
information that conflicted, conflicts or will conflict with the information contained in the Registration Statement, any Preliminary Prospectus, the Prospectus Supplement, the Prospectus, or other prospectus deemed to be a party thereof (including
any document incorporated by reference therein) that has not been superseded or modified. 
 (v) Incorporation
of Documents by Reference. The documents incorporated or deemed to be incorporated by reference in the Registration Statement, the General Disclosure Package and the Prospectus, at the time they were or hereinafter filed with the Commission, as
the case may be, complied in all material respects with the requirements of the 1934 Act and the rules and regulations of the Commission thereunder (the “1934 Act Regulations”). 

(vi) Ineligible Issuer. As of the date of this Agreement (with such date being used as the determination date for
purposes of this clause), the Company is not an ineligible issuer (as defined in Rule 405 under the 1933 Act), without taking account of any determination by the Commission pursuant to Rule 405 under the 1933 Act that it is not necessary that the
Company be considered an ineligible issuer (as defined in Rule 405 under the 1933 Act). 
 (vii) Independent
Accountants. Ernst & Young LLP, who certified the financial statements included or incorporated by reference in the Registration Statement, the General Disclosure Package and the Prospectus, is an independent public accounting firm as
required by the 1933 Act and the 1933 Act Regulations, the 1934 Act and the 1934 Act Regulations, and the Public Company Accounting Oversight Board (United States). 

(viii) Financial Statements. The financial statements included or incorporated by reference in the Registration
Statement, the General Disclosure Package and the Prospectus, together with the related notes, present fairly the financial position of the Company and its consolidated subsidiaries at the dates indicated and the statement of operations,
stockholders’ equity and cash flows of the Company and its consolidated subsidiaries for the periods specified; said financial statements have been prepared in conformity with U.S. generally accepted accounting principles
(“GAAP”) applied on a 

  
 4 

 
consistent basis throughout the periods involved. The selected financial data incorporated by reference in the General Disclosure Package and the Prospectus present fairly the information shown
therein and was compiled on a basis consistent with that of the audited financial statements included or incorporated by reference in the Registration Statement. Any disclosures contained in the Registration Statement, the General Disclosure Package
or the Prospectus, or incorporated by reference therein, regarding “non-GAAP financial measures” (as such term is defined by the rules and regulations of the Commission) comply with Regulation G under the 1934 Act and Item 10 of
Regulation S-K under the 1933 Act, to the extent applicable. 
 (ix) No Material Adverse Change in
Business. Since the respective dates as of which information is given in the General Disclosure Package or the Prospectus (in each case exclusive of any amendments or supplements thereto subsequent to their respective dates), except as otherwise
stated therein, (A) there has been no material adverse change in the condition, financial or otherwise, or in the earnings and business affairs or business prospects of the Company together with its consolidated subsidiaries, all of which are
listed on Schedule IV attached hereto (each, a “Subsidiary,” and collectively, the “Subsidiaries”), considered as one enterprise, whether or not arising in the ordinary course of business (a
“Material Adverse Effect”), (B) there have been no transactions entered into by the Company or any of its Subsidiaries, other than those in the ordinary course of business, which are material with respect to the Company and its
Subsidiaries considered as one enterprise, (C) there has been no obligation, contingent or otherwise, directly or indirectly incurred by the Company or any of its Subsidiaries considered as one enterprise that could reasonably be likely to have
a Material Adverse Effect and (D) except for regular quarterly dividends on the Common Stock in amounts per share that are consistent with past practice, there has been no dividend or distribution of any kind declared, paid or made by the
Company on any class of its capital stock. 
 (x) Good Standing of the Company. The Company has been duly
incorporated and is validly existing as a corporation in good standing under the laws of the State of Delaware and has the corporate power and authority to own, lease and operate its properties and to conduct its business as described in the
Registration Statement, the General Disclosure Package and the Prospectus and to enter into and perform its obligations under this Agreement; and the Company is duly qualified as a foreign corporation to transact business and is in good standing in
each other jurisdiction in which such qualification is required, whether by reason of the ownership or leasing of property or the conduct of business, except where the failure, individually or in the aggregate, so to qualify or to be in good
standing would not result in a Material Adverse Effect. 
 (xi) Good Standing of Subsidiaries. Each
Subsidiary is duly incorporated or organized and is validly existing and in good standing under the laws of the jurisdiction of its incorporation or organization, with requisite power and authority to own, lease and operate its properties and to
conduct its business as described in the Registration Statement, the General Disclosure Package and the Prospectus, and to consummate the transactions contemplated hereby. Each Subsidiary is duly qualified as a foreign corporation, limited liability
company, partnership or trust to transact business and is in good standing in each other jurisdiction in which such qualification is required, whether by reason of the ownership or leasing of property or the conduct of business, except

  
 5 

 
where the failure so to qualify or to be in good standing would not result in a Material Adverse Effect; except as otherwise disclosed in the Registration Statement, the General Disclosure
Package and the Prospectus, all of the issued and outstanding equity interests in each Subsidiary have been duly authorized and validly issued, are fully paid and non-assessable and are owned by the Company, directly or indirectly, free and clear of
any security interests, mortgages, pledges, liens, encumbrances, claims or equitable interests; none of the outstanding equity interests in any Subsidiary was issued in violation of, or subject to, any preemptive right, co-sale right, registration
right, right of first refusal or other similar rights of equity holders or any other person arising by operation of law, under the organizational documents of each Subsidiary, under any agreement to which any Subsidiary is a party or otherwise. The
Company does not own or control, directly or indirectly, any equity interest in any corporation, joint venture, limited liability company, association or other entity other than the Subsidiaries. The Company does not, and did not as of
December 31, 2010, have any “significant subsidiaries” (as defined in Rule 1-02(w) of Regulation S-X). 
 (xii) Capitalization. As of January 11, 2011, (A) 150,000,000 shares of Common Stock were authorized for issuance, of which 64,855,591 shares were issued and outstanding and
(B) 10,000,000 shares of preferred stock, par value $0.01 per share of the Company were authorized for issuance, none of which were issued or outstanding. The issued and outstanding shares of capital stock of the Company have been duly
authorized and validly issued and are fully paid and non-assessable; none of the outstanding shares of capital stock was issued in violation of the preemptive or other similar rights of any securityholder of the Company. Upon completion of the
issuance and sale of the Securities pursuant to this Agreement, the capitalization of the Company will be as set forth in the Prospectus in the column entitled “As Adjusted for This Offering” under the caption “Capitalization.”
Except as disclosed in the Registration Statement, the General Disclosure Package and the Prospectus, there are no outstanding (A) securities or obligations of the Company or any of the Subsidiaries convertible into or exchangeable for any
equity interests of the Company or any such Subsidiary, (B) warrants, rights or options to subscribe for or purchase from the Company or any such Subsidiary any such equity interests or any such convertible or exchangeable securities or
obligations or (C) obligations of the Company or any such Subsidiary to issue any equity interests, any such convertible or exchangeable securities or obligation, or any such warrants, rights or options. The Company’s Common Stock has been
registered pursuant to Section 12(b) of the 1934 Act and is authorized for trading on the Nasdaq Global Select Market (“Nasdaq”), and the Company has taken no action designed to, or likely to have the effect of, terminating the
registration of the Common Stock from Nasdaq, nor has the Company received any notification that the Commission or Nasdaq is contemplating terminating such registration or listing. The Company is in compliance with the current listing standards of
Nasdaq. 
 (xiii) Authorization of Agreement. This Agreement has been duly authorized, executed and
delivered by the Company. This Agreement conforms in all material respects to the description thereof in the Registration Statement, the General Disclosure Package and the Prospectus. 

(xiv) Description of Securities. The Securities conform to all statements relating thereto contained in the
Registration Statement, the General Disclosure Package 

  
 6 

 
and the Prospectus and such descriptions conform to the rights set forth in the instruments defining the same; no holder of the Securities will be subject to personal liability by reason of being
such a holder. 
 (xv) Absence of Defaults and Conflicts. The Company is not in violation of its Amended
and Restated Certificate of Incorporation (“Charter”) or its Amended and Restated Bylaws (“Bylaws”). No Subsidiary is in violation of its organizational documents (including, without limitation, partnership and
limited liability company agreements). Neither the Company nor any of its Subsidiaries is in default in the performance or observance (nor has any event occurred which with notice, lapse of time or both would constitute a default in the observance
or performance) of any obligation, agreement, covenant or condition contained in any contract, indenture, mortgage, deed of trust, loan or credit agreement, note, lease or other agreement or instrument to which the Company or any Subsidiary is a
party or by which the Company or any Subsidiary may be bound, or to which any of the property or assets of the Company or any Subsidiary is subject (collectively, “Agreements and Instruments”), except for such defaults that would
not result in a Material Adverse Effect; and the execution, delivery and performance by the Company of this Agreement and the consummation of the transactions contemplated herein (including the issuance and sale of the Securities and the use of the
proceeds from the sale of the Securities as described in the Registration Statement, the General Disclosure Package and the Prospectus under the caption “Use of Proceeds”) and compliance by the Company with its obligations hereunder and
thereunder have been duly authorized by all necessary corporate action and do not and will not, whether with or without the giving of notice or passage of time or both, conflict with or constitute a breach of, or default or Repayment Event (as
defined below) under, or result in the creation or imposition of any lien, charge or encumbrance upon any property or assets of the Company or any Subsidiary pursuant to, the Agreements and Instruments (except for such conflicts, breaches, defaults
or Repayment Events or liens, charges or encumbrances that would not result in a Material Adverse Effect), nor will such action result in any violation of the provisions of the Charter or Bylaws of the Company or the organizational documents of any
Subsidiary (including, without limitation, partnership and limited liability company operating agreements), any applicable law, statute, rule, regulation, judgment, order, writ or decree of any government, government instrumentality or court,
domestic or foreign, having jurisdiction over the Company or any Subsidiary or any of their assets, properties or operations. As used herein, a “Repayment Event” means any event or condition which gives the holder of any note,
debenture or other evidence of indebtedness (or any person acting on such holder’s behalf) the right to require the repurchase, redemption or repayment of all or a portion of such indebtedness by the Company or any Subsidiary. 

(xvi) Absence of Proceedings. There is no action, suit, proceeding, inquiry or investigation before or brought by
any court or governmental agency or body, domestic or foreign, now pending, or, to the knowledge of the Company (without further inquiry), threatened, against or affecting the Company or any Subsidiary, which is required to be disclosed in the
Registration Statement, the General Disclosure Package or the Prospectus (other than as disclosed therein), or which would reasonably be expected to result in a Material Adverse Effect, or which would reasonably be expected to materially and
adversely affect the properties or assets thereof or the consummation of the transactions contemplated in this Agreement or the performance by the Company of its obligations 

  
 7 

 
hereunder; the aggregate of all pending legal or governmental proceedings to which the Company or any Subsidiary is a party or of which any of their respective property or assets is the subject
which are not described in the Registration Statement, including ordinary routine litigation incidental to the business, would not, individually or in the aggregate, result in a Material Adverse Effect. 

(xvii) Accuracy of Exhibits. There are no contracts or documents that are required to be described in the
Registration Statement, the General Disclosure Package or the Prospectus or the documents incorporated by reference therein or to be filed as exhibits thereto which have not been described in all material respects and filed as required by
Item 601(b) of Regulation S-K under the 1933 Act. The copies of all contracts, agreements, instruments and other documents (including governmental licenses, authorizations, permits, consents and approvals and all amendments or waivers relating
to any of the foregoing) that have been furnished to the Underwriter or its counsel are complete and genuine and include all material collateral and supplemental agreements thereto. 

(xviii) Absence of Further Requirements. No filing with, or authorization, approval, consent, license, order,
registration, qualification or decree of, any court or governmental authority or agency is required in connection with the offering, issuance or sale of the Securities hereunder or the consummation of the transactions contemplated by this Agreement,
except such as have been already obtained or as may be required under the 1933 Act or the 1933 Act Regulations or state securities laws or the rules of the Financial Industry Regulatory Authority, Inc. (the “FINRA”). 

(xix) Absence of Manipulation. Other than permitted activity pursuant to Regulation M under the 1934 Act, neither
the Company nor any of its affiliates, as such term is defined in Rule 501(b) under the 1933 Act (each, an “Affiliate”), has taken, nor will the Company or any of its Affiliates take, directly or indirectly, any action that is
designed to, has constituted or would be expected to cause or result in stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Securities. 

(xx) Possession of Licenses and Permits. The Company and its Subsidiaries possess such permits, licenses,
approvals, consents and other authorizations issued by the appropriate federal, state, local or foreign regulatory agencies or bodies necessary to conduct the business now operated by them as described in the Registration Statement, the General
Disclosure Package and the Prospectus (collectively, the “Intangibles”), except where the failure so to possess is not reasonably likely to, individually or in the aggregate, result in a Material Adverse Effect; the Company and its
Subsidiaries are in compliance with the terms and conditions of all such Intangibles, except where the failure so to comply would not, individually or in the aggregate, result in a Material Adverse Effect; all of the Intangibles are valid and in
full force and effect, except when the invalidity of such Intangibles or the failure of such Intangibles to be in full force and effect is not reasonably likely to, individually or in the aggregate, result in a Material Adverse Effect; the Company
and its Subsidiaries have not received any notice of proceedings relating to the revocation or modification of any such Intangibles which, individually or in the aggregate, if the subject of an unfavorable decision, ruling or finding, would be
reasonably likely to result in a Material Adverse Effect; the Company 

  
 8 

 
and its Subsidiaries have not violated or received written notice of any infringement of or conflict with (and the Company does not know of any such infringement of or conflict with) asserted
rights of others with respect to any such Intangibles, except where the infringement of or conflict with is not reasonably likely to, individually or in the aggregate, result in a Material Adverse Effect. 

(xxi) Personal Property. Neither the Company nor any Subsidiary owns any real property or holds any real property
lease. The Company and its Subsidiaries have good title to all personal property, if any, owned by them, in each case, free and clear of all liens, security interests, pledges, charges, encumbrances, mortgages and defects, except as are disclosed in
the Registration Statement, the General Disclosure Package and the Prospectus or as could not reasonably be expected, individually or in the aggregate, to have a Material Adverse Effect. 

(xxii) Investment Company Act. The Company is not required to register as an “investment company” under
the Investment Company Act of 1940, as amended (the “1940 Act”). 
 (xxiii) Registration
Rights. Except as disclosed in the Registration Statement, the General Disclosure Package and the Prospectus or which have been waived, there are no persons with registration or other similar rights to have any equity or debt securities,
including securities that are convertible into or exchangeable for equity securities, registered pursuant to the Registration Statement or otherwise registered by the Company under the 1933 Act; no person has a right of participation, first refusal
or similar right with respect to the sale of the Securities by the Company. 
 (xxiv) Accounting Controls and
Disclosure Controls. The Company and each of its Subsidiaries maintain a system of internal accounting controls sufficient to provide reasonable assurances that (A) transactions are executed in accordance with management’s general or
specific authorization; (B) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain accountability for assets; (C) receipts and expenditures are being made only in
accordance with management’s general or specific authorization; (D) access to assets is permitted only in accordance with management’s general or specific authorization; and (E) the recorded accountability for assets is compared
with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences. Except as described in the Registration Statement, the General Disclosure Package and the Prospectus, since the end of the
Company’s most recent audited fiscal year, there has been (A) no material weakness in the Company’s internal control over financial reporting (whether or not remediated) and (B) no change in the Company’s internal control
over financial reporting that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting. The Company and its Subsidiaries, considered as one enterprise, have established and
currently maintain disclosure controls and procedures that comply with Rule 13a-15 under the 1934 Act and the Company has determined that such disclosure controls and procedures are effective in compliance with Rule 13a-15 under the Exchange Act.

 (xxv) No Commissions. Neither the Company nor any of its Subsidiaries is a party to any contract,
agreement or understanding with any person (other than as 

  
 9 

 
contemplated by this Agreement) that would give rise to a valid claim against the Company or any of its Subsidiaries or the Underwriter for a brokerage commission, finder’s fee or like
payment in connection with the offering and sale of the Securities by the Underwriter under this Agreement. 

(xxvi) Actively-Traded Security. The Common Stock is an “actively-traded security” exempted from the
requirements of Rule 101 of Regulation M under the 1934 Act by subsection (c)(1) of such rule. 
 (xxvii)
Compliance with the Sarbanes-Oxley Act. There is and has been no failure on the part of the Company or any of the Company’s directors or officers, in their capacities as such, to comply in all material respects with any applicable
provision of the Sarbanes-Oxley Act of 2002 and the rules and regulations promulgated in connection therewith (the “Sarbanes-Oxley Act”), including Section 402 related to loans and Sections 302 and 906 related to
certifications. 
 (xxviii) Payment of Taxes. All tax returns of the Company and its Subsidiaries required
by law to be filed have been filed and all taxes shown by such returns or otherwise assessed, which are due and payable, have been paid, except assessments against which appeals have been or will be promptly taken and as to which adequate reserves
have been provided. The charges, accruals and reserves on the books of the Company in respect of any income and corporation tax liability for any years not finally determined are adequate to meet any assessments or re-assessments for additional
income tax for any years not finally determined, except to the extent of any inadequacy that would not result in a Material Adverse Effect. 
 (xxix) Absence of Transfer Taxes. There are no transfer taxes or other similar fees or charges under federal law or the laws of any state, or any political subdivision thereof, required to be paid
in connection with the execution and delivery of this Agreement or the sale by the Company of the Securities under this Agreement. 
 (xxx) Insurance. The Company and its Subsidiaries carry or are entitled to the benefits of insurance, with financially sound and reputable insurers, in such amounts and covering such risks as is
generally maintained by companies of established repute engaged in the same or similar business, and all such insurance is in full force and effect. The Company has no reason to believe that it or any Subsidiary will not be able (A) to renew
its existing insurance coverage as and when such policies expire or (B) to obtain comparable coverage from similar institutions as may be necessary or appropriate to conduct its business as now conducted and at a cost that would not result in a
Material Adverse Effect. Neither the Company nor any Subsidiary has been denied any material insurance coverage which it has sought or for which it has applied. 
 (xxxi) Statistical and Market-Related Data. The statistical and market-related data included in the Registration Statement, the General Disclosure Package and the Prospectus are based on or derived
from sources that the Company believes to be reliable and accurate as of the respective dates of such documents, and the Company has obtained the written consent to the use of such data from such sources to the extent required. 

(xxxii) Foreign Corrupt Practices Act. None of the Company, any Subsidiary or, to the knowledge of the Company, any
director, officer, agent, employee, Affiliate or 

  
 10 

 
other person acting on behalf of the Company or any of its Subsidiaries, is aware of or has taken any action, directly or indirectly, that would result in a violation by such persons of the
Foreign Corrupt Practices Act of 1977, as amended, and the rules and regulations thereunder (the “FCPA”), including, without limitation, making use of the mails or any means or instrumentality of interstate commerce corruptly in
furtherance of an offer, payment, promise to pay or authorization of the payment of any money, or other property, gift, promise to give, or authorization of the giving of anything of value to any “foreign official” (as such term is defined
in the FCPA) or any foreign political party or official thereof or any candidate for foreign political office, in contravention of the FCPA. The Company and the Subsidiaries have conducted their respective businesses in compliance with the FCPA and
have instituted and maintain policies and procedures designed to ensure, and which are reasonably expected to continue to ensure, continued compliance therewith. 

(xxxiii) Money Laundering Laws. The operations of the Company and its Subsidiaries are and have been conducted at
all times in compliance with applicable financial recordkeeping and reporting requirements of the Currency and Foreign Transactions Reporting Act of 1970, as amended, the money laundering statutes of all jurisdictions, the rules and regulations
thereunder and any related or similar rules, regulations or guidelines, issued, administered or enforced by any governmental agency (collectively, the “Money Laundering Laws”) and no action, suit or proceeding by or before any court
or governmental agency, authority or body or any arbitrator involving the Company or any of its Subsidiaries with respect to the Money Laundering Laws is pending or, to the best knowledge of the Company, threatened. 

(xxxiv) OFAC. None of the Company, any Subsidiary or, to the knowledge of the Company, any director, officer,
agent, employee, Affiliate or person acting on behalf of the Company or any of its Subsidiaries is currently subject to any U.S. sanctions administered by the Office of Foreign Assets Control of the U.S. Treasury Department
(“OFAC”); and the Company will not directly or indirectly use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other person or entity, for the
purpose of financing the activities of any person currently subject to any U.S. sanctions administered by OFAC. 

(xxxv) Related Party Transactions. No relationship, direct or indirect, exists between or among the Company or any
of its Subsidiaries on the one hand, and the directors, officers, trustees, managers, stockholders, partners, customers or suppliers of the Company or any of the Subsidiaries on the other hand, which would be required by the 1933 Act or by the 1933
Regulations to be described in the Registration Statement, the General Disclosure Package and the Prospectus, which is not so described. 
 (xxxvi) Noncompetition; Nondisclosure. Neither the Company nor any officer of the Company is subject to any noncompete, nondisclosure, confidentiality, employment, consulting or similar arrangement
that would be violated by the present or proposed business activities of the Company as described in the Registration Statement, the General Disclosure Package and the Prospectus. 

(xxxvii) Pending Proceedings and Examinations. The Registration Statement is not the subject of a pending
proceeding or examination under Section 8(d) or 8(e) of the 1933 Act, and the Company is not the subject of a pending proceeding under Section 8A of the 1933 Act in connection with the offering of the Securities. 

  
 11 

 (xxxviii) REIT Status. Commencing with its initial taxable year ended
December 31, 2008, the Company has been organized and operated in conformity with the requirements for qualification and taxation as a real estate investment trust (“REIT”) under the Internal Revenue Code of 1986, as amended,
and the regulations and published interpretations thereunder (collectively, the “Code”), and the Company’s current and proposed method of operations as described in the Registration Statement, the General Disclosure Package and
the Prospectus will enable it to continue to meet the requirements for qualification and taxation as a REIT under the Code for its taxable year ending December 31, 2011 and thereafter. No transaction or other event has occurred that could cause
the Company to not be able to qualify as a REIT for its taxable year ending December 31, 2011 or future taxable years. Except as otherwise disclosed in the Registration Statement, the General Disclosure Package and the Prospectus, the Company
and each of its Subsidiaries have no intention of changing their operations or engaging in activities that would cause the Company to fail to qualify, or make economically undesirable the Company’s continued qualification, as a REIT under the
Code. 
 (xxxix) Tax Opinion. With respect to each legal opinion as to Federal income tax matters provided
to the Underwriters pursuant to Section 5(b) hereof, the Company’s representatives have discussed with its counsel, Skadden, Arps, Slate, Meagher & Flom LLP, the officer’s certificate supporting each such opinion, and where
representations in such officer’s certificate involve terms defined in the Code, the Treasury regulations thereunder, published rulings of the Internal Revenue Service or other relevant authority, the Company’s representatives are
satisfied after their discussions with their counsel in their understanding of such terms and are capable of making such representations. 
 (xl) Description of Organization and Method of Operations. The description of the Company’s organization and current and proposed method of operations and its qualification and taxation as a
REIT set forth in the Registration Statement, the General Disclosure Package and the Prospectus is accurate in all material respects and presents fairly the matters referred to therein. The Company’s conflicts of interest, operating policies,
investment guidelines and operating restrictions described or incorporated by reference in the Registration Statement, the General Disclosure Package and the Prospectus accurately reflect in all material respects the guidelines and policies of the
Company with respect to the operation of its business, and no material deviation from such guidelines or policies is currently contemplated. 
 (xli) Director Independence. Each of the independent directors (or independent director nominees, once appointed, if applicable) named in the Registration Statement, the General Disclosure Package
and Prospectus satisfies the independence standards established by Nasdaq and, with respect to members of the Company’s audit committee, the enhanced independence standards contained in Rule 10A-3(b)(1) promulgated by the Commission under the
1934 Act. 
 (xlii) Broker/Dealer Status. The Company is not required to register as a “broker”
or “dealer” in accordance with the provisions of the rules and the 1934 Act Regulations and does not, directly or indirectly through one or more intermediaries, 

  
 12 

 
control or have any other association with (within the meaning of Article I of the By-laws of the FINRA) any member firm of the FINRA. No relationship, direct or indirect, exists between or
among the Company, on the one hand, and the directors, officers or stockholders of the Company, on the other hand, which is required by the rules of the FINRA to be described in the Registration Statement, the General Disclosure Package and the
Prospectus, which is not so described. 
 (xliii) Dividends/Distributions. Except as disclosed in the
Registration Statement, the General Disclosure Package and the Prospectus, no Subsidiary is currently prohibited, directly or indirectly, from paying any dividends or distributions to the Company to the extent permitted by applicable law, from
making any other distribution on such Subsidiary’s issued and outstanding capital stock or other equity interests, from repaying to the Company any loans or advances to such Subsidiary from the Company or from transferring any of the property
or assets of such Subsidiary to the Company. 
 (b) Representations and Warranties by the Manager. The Manager represents
and warrants to each Underwriter as of the date hereof as of the Applicable Time, as of the Closing Time, and, as of each such Date of Delivery (if any) and agrees with each Underwriter, as follows: 

(i) Good Standing of the Manager. The Manager has been duly formed and is validly existing as a limited liability
company in good standing under the laws of the State of Delaware and has power and authority to conduct its business as described in the Registration Statement, the General Disclosure Package and the Prospectus and to enter into and perform its
obligations under this Agreement; and the Manager is duly qualified as a foreign limited liability company to transact business and is in good standing in each other jurisdiction in which such qualification is required, whether by reason of the
ownership or leasing of property or the conduct of business, except where the failure so to qualify or to be in good standing would not result in a Material Adverse Effect. 

(ii) Authorization of Agreement. This Agreement has been duly authorized, executed and delivered by the Manager and
constitutes a valid and binding agreement of the Manager enforceable in accordance with its terms, except in each case as may be limited by (A) bankruptcy, insolvency, reorganization, moratorium or other similar laws now or thereafter in effect
relating to creditors’ rights generally and (B) general equitable principles and the discretion of the court before which any proceeding therefor may be brought. 

(iii) Absence of Defaults and Conflicts. The Manager is not in violation of its organizational documents or in
default in the performance or observance of any obligation, agreement, covenant or condition contained in any contract, indenture, mortgage, deed of trust, loan or credit agreement, note, lease or other agreement or instrument to which the Manager
is a party or by which it may be bound, or to which any of the property or assets of the Manager is subject (collectively, the “Manager Agreements and Instruments”), or in violation of any law, statute, rule, regulation, judgment,
order or decree, except for such violations or except for such defaults that would not result in a material adverse effect on the condition, financial or otherwise, or in the business affairs, business prospects or regulatory status of the Manager,
whether or not arising in the ordinary course of business, or that would otherwise prevent the 

  
 13 

 
Manager from carrying out its obligations under this Agreement (a “Manager Material Adverse Effect”). The execution, delivery and performance of this Agreement and the
consummation of the transactions contemplated herein and in the Registration Statement, the General Disclosure Package and the Prospectus and compliance by the Manager with its obligations under this Agreement do not and will not, whether with or
without the giving of notice or passage of time or both, conflict with or constitute a breach of, or default under, or result in the creation or imposition of any lien, charge or encumbrance upon any property or assets of the Manager pursuant to the
Manager Agreements and Instruments, nor will such action result in any violation of the provisions of the limited liability company operating agreement or other organizational documents of the Manager or any applicable law, statute, rule,
regulation, judgment, order, writ or decree of any government, government instrumentality or court, domestic or foreign, having jurisdiction over the Manager or any of its assets, properties or operations, except as would not result in a Manager
Material Adverse Effect. 
 (iv) Absence of Proceedings. There is no action, suit, proceeding, inquiry or
investigation before or brought by any court or governmental agency or body, domestic or foreign, now pending, or, to the knowledge of the Manager, threatened, against or affecting the Manager, except for such matters that could not, individually or
in the aggregate, result in a Manager Material Adverse Effect. 
 (v) Absence of Further Requirements. No
filing with, or authorization, approval, consent, license, order, registration, qualification or decree of, any court or governmental authority or agency is required in connection with the offering or sale of the Securities hereunder or the
consummation of the transactions contemplated by this Agreement, except such as have been already obtained or as may be required under the 1933 Act or the 1933 Act Regulations or state securities laws or the rules of the FINRA. 

(vi) Financial Resources. The Manager has the financial and other resources available to it necessary for the
performance of its services and obligations as contemplated in the Registration Statement, the General Disclosure Package and the Prospectus and under this Agreement and the Management Agreement between the Company and the Manager, dated
May 20, 2008 (the “Management Agreement”). 
 (vii) Possession of Licenses and
Permits. The Manager possesses such Intangibles issued by the appropriate federal, state, local or foreign regulatory agencies or bodies necessary to conduct its business as described in the Registration Statement, the General Disclosure Package
and the Prospectus, except where the failure so to possess would not, individually or in the aggregate, result in a Manager Material Adverse Effect; the Manager is in compliance with the terms and conditions of all such Intangibles, except where the
failure so to comply would not, individually or in the aggregate, result in a Manager Material Adverse Effect; all of the Intangibles are valid and in full force and effect, except when the invalidity of such Intangibles or the failure of such
Intangibles to be in full force and effect would not have a Manager Material Adverse Effect; and the Manager has not received any notice of proceedings relating to the revocation or modification of any such Intangibles which, individually or in the
aggregate, if the subject of an unfavorable decision, ruling or finding, would result in a Manager Material Adverse Effect. 

  
 14 

 (viii) Employment; Noncompetition; Nondisclosure. Except for any
transfer of employees of ACAS to the Manager or as otherwise disclosed in the Registration Statement, the General Disclosure Package and the Prospectus, the Manager has not been notified that any executive officer of the Company or the Manager plans
to terminate his or her employment with the Manager or ACAS, as applicable. 
 (ix) Investment Advisers
Act. The Manager is not prohibited by the Investment Advisers Act of 1940, as amended (the “Advisers Act”), or the rules and regulations thereunder, from performing its obligations under the Management Agreement as described in
the Registration Statement, the General Disclosure Package and the Prospectus; and the Manager is not registered and is not required to register as an investment adviser under the Advisers Act. 

Section 2. Sale and Delivery to Underwriters; Closing. 

(a) Initial Securities. On the basis of the representations and warranties herein contained and subject to the terms and
conditions herein set forth, the Company agrees to sell to each Underwriter, severally and not jointly, and each Underwriter, severally and not jointly, agrees to purchase from the Company, at a price of $26.74 per share of Common Stock, the number
of Initial Securities set forth in Schedule I opposite the name of such Underwriter, plus any additional number of Initial Securities which such Underwriter may become obligated to purchase pursuant to the provisions of Section 10
hereof, subject, in each case, to such adjustments among the Underwriters as the Representatives in their sole discretion shall make to eliminate any sales or purchases of fractional securities. 

(b) Option Securities. In addition, on the basis of the representations and warranties herein contained and subject to the terms
and conditions herein set forth, the Company hereby grants an option to the Underwriters, severally and not jointly, to purchase up to an additional 3,510,000 shares of Common Stock, at the price per share set forth in paragraph (a) above. The
option hereby granted will expire 30 days after the date hereof and may be exercised in whole or in part at any time on or before the 30th day after the date hereof only for the purpose of covering overallotments, which may be made in
connection with the offering and distribution of the Initial Securities upon notice by the Representatives to the Company setting forth the number of Option Securities as to which the several Underwriters are then exercising the option and the time
and date of payment and delivery for such Option Securities. Any such time and date of delivery (a “Date of Delivery”) shall be determined by the Representatives, but shall not be later than seven full business days after the
exercise of said option. If the option is exercised as to all or any portion of the Option Securities, each of the Underwriters, acting severally and not jointly, will purchase that proportion of the total number of Option Securities then being
purchased which the number of Initial Securities set forth in Schedule I opposite the name of such Underwriter bears to the total number of Initial Securities, subject in each case to such adjustments as the Representatives in their sole
discretion shall make to eliminate any sales or purchases of fractional shares. 
 (c) Payment. The Securities shall be
delivered by the Company to the Representatives, including, at the option of the Representatives, through the facilities of DTC for the account of the Representatives, against payment by the Representatives of the purchase price therefor by wire
transfer of immediately available funds to a bank account designated by the Company. The time and date of such delivery and payment shall be 10:00 a.m. (New York City 

  
 15 

 
time) on the third (fourth, if the pricing occurs after 4:30 p.m. (New York City time) on any given day) business day after the date hereof, or such other time not later than ten business days
after such date as shall be agreed upon by the Representatives and the Company (such time and date of payment and delivery being herein called “Closing Time”). 

In addition, in the event that any or all of the Option Securities are purchased by the Underwriters, payment of the purchase price for,
and delivery of certificates for, such Option Securities shall be made at the above-mentioned offices, or at such other place as shall be agreed upon by the Representatives and the Company, on each Date of Delivery as specified in the notice from
the Representatives to the Company. 
 Section 3. Covenants of the Company and the Manager. The Company and the
Manager covenant with each Underwriter as follows: 
 (a) Compliance with Securities Regulations and Commission Requests.
The Company, subject to Section 3(b) hereof, will comply with the requirements of Rule 430B and will notify the Representatives promptly, and confirm the notice in writing, (i) when any post-effective amendment to the Registration
Statement shall have been declared effective, or any supplement to the Prospectus or any amended Prospectus shall have been filed, (ii) of the receipt of any comments from the Commission, (iii) of any request by the Commission for any
amendment to the Registration Statement or any amendment or supplement to the Prospectus or for additional information, (iv) of the issuance by the Commission of any stop order suspending the effectiveness of the Registration Statement, or of
any order preventing or suspending the use of any Preliminary Prospectus, or of the suspension of the qualification of the Securities for offering or sale in any jurisdiction, or of the initiation or threatening of any proceedings for any of such
purposes or of any examination pursuant to Section 8(e) of the 1933 Act concerning the Registration Statement and (v) if the Company becomes the subject of a proceeding under Section 8A of the 1933 Act in connection with the offering
of the Securities. The Company will effect the filings required under Rule 424(b), in the manner and within the time period required by Rule 424(b) (without reliance on Rule 424(b)(8)). The Company will make every reasonable effort to prevent the
issuance of any stop order and, if any stop order is issued, to obtain the lifting thereof at the earliest possible moment. 

(b) Filing of Amendments and Exchange Act Documents. The Company will give the Representatives notice of its intention to file or
prepare any amendment to the Registration Statement or any amendment, supplement or revision to any Preliminary Prospectus or to the Prospectus, whether pursuant to the 1933 Act, the 1934 Act or otherwise, and the Company will furnish the
Representatives with copies of any such documents a reasonable amount of time prior to such proposed filing or use, as the case may be, and will not file or use any such document to which the Representatives or counsel for the Underwriters shall
reasonably object, except as required by law. The Company has given the Representatives notice of any filings made pursuant to the 1934 Act or 1934 Act Regulations within 48 hours prior to the execution of this Agreement; the Company will give the
Representatives notice of its intention to make any such filing from the execution of this Agreement to the Closing Time and will furnish the Representatives with copies of any such documents a reasonable amount of time prior to such proposed filing
and will not file or use any such document to which the Representatives or counsel for the Representatives shall reasonably object, except as required by law. 

  
 16 

 (c) Delivery of Registration Statements. Upon request, the Company will furnish or
will deliver to the Representatives and counsel for the Underwriters, without charge, conformed copies of the Registration Statement and of each amendment thereto (including exhibits filed therewith or incorporated by reference therein and documents
incorporated or deemed to be incorporated by reference therein or otherwise deemed to be a part thereof) and conformed copies of all consents and certificates of experts, and will also deliver to the Representatives, without charge, a conformed copy
of the Registration Statement and of each amendment thereto (without exhibits) for each of the Underwriters. The copies of the Registration Statement and each amendment thereto furnished to the Underwriters will be identical to the electronically
transmitted copies thereof filed with the Commission pursuant to the Electronic Data Gathering, Analysis and Retrieval system (“EDGAR”), except to the extent permitted by Regulation S-T. 

(d) Delivery of Prospectuses. The Company has delivered to each Underwriter, without charge, as many copies of each Preliminary
Prospectus as such Underwriter reasonably requested, and the Company hereby consents to the use of such copies for purposes permitted by the 1933 Act. The Company will furnish to each Underwriter, without charge, during the period when the
Prospectus is required to be delivered under the 1933 Act, such number of copies of the Prospectus (as amended or supplemented) as such Underwriter may reasonably request. The Prospectus and any amendments or supplements thereto furnished to the
Underwriters will be identical to the electronically transmitted copies thereof filed with the Commission pursuant to EDGAR, except to the extent permitted by Regulation S-T. 
 (e) Continued Compliance with Securities Laws. The Company will comply with the 1933 Act and the 1933 Act Regulations and the 1934 Act and the 1934 Act Regulations so as to permit the completion of
the distribution of the Securities as contemplated in this Agreement and in the Prospectus. If at any time when a prospectus is required by the 1933 Act to be delivered in connection with sales of the Securities, any event shall occur or condition
shall exist as a result of which it is necessary, in the opinion of counsel for the Underwriters or for the Company, to amend the Registration Statement or amend or supplement the Prospectus in order that the Prospectus will not include any untrue
statements of a material fact or omit to state a material fact necessary in order to make the statements therein not misleading in the light of the circumstances existing at the time it is delivered to a purchaser, or if it shall be necessary, in
the opinion of such counsel, at any such time to amend the Registration Statement or amend or supplement the Prospectus in order to comply with the requirements of the 1933 Act or the 1933 Act Regulations, the Company will promptly prepare and file
with the Commission, subject to Section 3(b), such amendment or supplement as may be necessary to correct such statement or omission or to comply with such requirements, the Company will use its best efforts to have such amendment declared
effective as soon as practicable (if it is not an automatic shelf registration statement with respect to the Securities) and the Company will furnish to the Underwriters such number of copies of such amendment or supplement as the Underwriters may
reasonably request. If at any time following issuance of an Issuer Free Writing Prospectus there occurred or occurs an event or development as a result of which such Issuer Free Writing Prospectus conflicted or would conflict with the information
contained in the Registration Statement, the General Disclosure Package or the Prospectus, or would include an untrue statement of a material fact or omitted or would omit to state a material fact necessary in order to make the statements therein,
in the light of the circumstances prevailing at that subsequent time, not misleading, the Company will promptly notify the Representatives and will promptly amend or supplement, at its own expense, such Issuer Free Writing Prospectus to eliminate or
correct such conflict, untrue statement or omission. 

  
 17 

 (f) Blue Sky Qualifications. The Company will use its best efforts, in cooperation
with the Underwriters, to qualify the Securities for offering and sale under the applicable securities laws of such states and other jurisdictions (domestic or foreign) as the Representatives may designate and to maintain such qualifications in
effect for a period of not less than one year from the date hereof; provided, however, that the Company shall not be obligated to file any general consent to service of process or to qualify as a foreign corporation or as a dealer in securities in
any jurisdiction in which it is not so qualified or to subject itself to taxation in respect of doing business in any jurisdiction in which it is not otherwise so subject. 
 (g) Rule 158. The Company will timely file such reports pursuant to the 1934 Act as are necessary in order to make generally available to its security holders as soon as practicable an earnings
statement for the purposes of, and to provide to the Underwriters the benefits contemplated by, the last paragraph of Section 11(a) of the 1933 Act. 
 (h) Use of Proceeds. The Company will use the net proceeds received by it from the sale of the Securities in the manner specified in the General Disclosure Package and the Prospectus under
“Use of Proceeds.” 
 (i) Listing. The Company will use its best efforts to effect and maintain the quotation
of the Securities on Nasdaq. 
 (j) Restriction on Sale of Securities. During a period of 30 days from the date of
the Prospectus, the Company will not, without the prior written consent of the Representatives, (i) directly or indirectly, offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell,
grant any option, right or warrant to purchase or otherwise transfer or dispose of any shares of Common Stock or any securities convertible into or exercisable or exchangeable for shares of Common Stock or file any registration statement under the
1933 Act with respect to any of the foregoing or (ii) enter into any swap or any other agreement or any transaction that transfers, in whole or in part, directly or indirectly, the economic consequence of ownership of the shares of Common
Stock, whether any such swap or transaction described in clause (i) or (ii) above is to be settled by delivery of shares of Common Stock or such other securities, in cash or otherwise. The foregoing sentence shall not apply to the
(A) Securities to be sold hereunder, (B) any shares of Common Stock sold pursuant to the Company’s Direct Stock Purchase Program and Dividend Reinvestment Program; provided that the Company shall not grant any purchase volume
waivers under such plan during the period of 30 days from the date of the Prospectus, (C) any shares of Common Stock issued or options to purchase Common Stock granted pursuant to existing employee benefit plans of the Company or (D) any
shares of Common Stock issued pursuant to any non-employee director stock plans or dividend reinvestment plans. 
 (k) Issuer
Free Writing Prospectuses. Each of the Company and the Manager represents and agrees that, unless it obtains the prior consent of the Representatives, and each Underwriter represents and agrees that, unless it obtains the prior consent of the
Company, the Manager and the Representatives, it has not made and will not make any offer relating to the Securities that would constitute an “issuer free writing prospectus,” as defined in Rule 433, or that would otherwise constitute a
“free writing prospectus,” as defined in Rule 405, required to be filed with the Commission. Any such free writing prospectus consented to by the Company, the Manager and the Representatives is hereinafter referred to as a
“Permitted Free Writing Prospectus.” Each of the Company and the Manager represents that it has treated or agrees that 

  
 18 

 
it will treat each Permitted Free Writing Prospectus as an “issuer free writing prospectus,” as defined in Rule 433, and has complied and will comply with the requirements of Rule 433
applicable to any Permitted Free Writing Prospectus, including timely filing with the Commission where required, legending and record keeping. 
 (l) Share Price Manipulation. Each of the Company and the Manager agrees that it will not, and will cause its respective officers and directors (and in the case of the Manager, ACAS) and their
respective subsidiaries not to, take, directly or indirectly, any action designed to, or that might be reasonably expected to, cause or result in stabilization or manipulation of the price of the Securities to facilitate the sale or resale of the
Securities, provided that the Company may bid for and purchase its Common Stock in accordance with Rule 10b-18 under the 1934 Act. 
 (m) REIT Qualification. The Company will use its best efforts to continue to meet the requirements for qualification and taxation as a REIT under the Code, subject to any future determination by
the Company’s board of directors that it is no longer in the Company’s best interests to qualify as a REIT. 
 (n)
Investment Company Act. The Company will use its best efforts to conduct its affairs and the affairs of its Subsidiaries in such a manner so as to ensure that neither the Company nor any of its Subsidiaries will be an “investment
company” (as defined in the Investment Company Act of 1940 (the “1940 Act”)) or an entity “controlled” by an investment company that is required to be registered under the 1940 Act. 

(o) Undertakings. The Company will comply with all of the provisions of any undertakings in the Registration Statement.

 (p) Transfer Agent. The Company has engaged and will maintain, at its sole expense, a registrar and transfer agent for
the Securities. 
 (q) Liability Insurance. The Company will obtain or maintain, as appropriate, directors and officers
liability insurance in an amount deemed advisable by the Company in its reasonable discretion. 
 Section 4. Payment of
Expenses. 
 (a) Expenses. The Company will pay or cause to be paid all expenses incident to the performance of its
obligations under this Agreement, including (i) the preparation, printing and filing of the Registration Statement (including financial statements and exhibits) as originally filed and of each amendment thereto, (ii) the preparation,
printing and delivery to the Underwriters of this Agreement, and such other documents as may be required in connection with the offering, purchase, sale, issuance or delivery of the Securities, (iii) the preparation, issuance and delivery of
the certificates for the Securities, if any, to the Underwriters, including any applicable stock or other transfer taxes and any stamp or other duties payable upon the sale, issuance or delivery of the Securities to the Underwriters, (iv) the
fees and disbursements of the Company’s counsel and accountants, (v) the qualification of the Securities under securities laws in accordance with the provisions of Section 3(f) hereof, including filing fees and the reasonable fees and
disbursements of counsel for the Underwriters in connection therewith and in connection with the preparation of any Blue Sky Survey and any supplement thereto, (vi) the printing and delivery to the Underwriters of copies of each Preliminary
Prospectus, any 

  
 19 

 
Permitted Free Writing Prospectus and of the Prospectus and any amendments or supplements thereto and any costs associated with electronic delivery of any of the foregoing by the Underwriters to
investors, (vii) the fees and expenses of any transfer agent or registrar for the Securities, (viii) the reasonable costs and expenses of the Company relating to investor presentations on any “road show” undertaken in connection
with the marketing of the Securities, including, expenses associated with the production of road show slides and graphics, but excluding travel and reasonable lodging expenses of the Underwriters and representatives and officers of the Company
(which shall be paid by the Underwriters), and (ix) any filing fees incident to, and the reasonable fees and disbursements of counsel to the Underwriters in connection with the review by FINRA of the terms of the sale of the Securities (subject
to a maximum of $10,000) and (x) the fees and expenses incurred in connection with the quotation of the Securities on Nasdaq. 
 (b) Termination of Agreement. If this Agreement is terminated by the Representatives in accordance with the provisions of Section 5 or Section 9 hereof, the Company shall reimburse the
Underwriters for all of their out-of-pocket expenses, (including the reasonable fees and disbursements of counsel for the Underwriters) actually incurred in connection with the proposed purchase and the public offering and sale of the Securities.

 Section 5. Conditions of Underwriters’ Obligations. The obligations of the Underwriters hereunder are
subject to the accuracy of the representations and warranties of the Company and the Manager contained in Section 1 hereof or in certificates of any officer of the Company or any subsidiary of the Company or the Manager delivered pursuant to
the provisions hereof, to the performance by the Company of its covenants and other obligations hereunder, and to the following further conditions: 
 (a) Effectiveness of Registration Statement; Filing of Prospectus; Payment of Filing Fee. The Registration Statement became effective and at the Closing Time no stop order suspending the
effectiveness of the Registration Statement shall have been issued under the 1933 Act or proceedings therefore initiated or threatened by the Commission, and any request on the part of the Commission for additional information shall have been
complied with to the reasonable satisfaction of counsel to the Underwriters. A prospectus containing the Rule 430B Information shall have been filed with the Commission in the manner and within the time period required by Rule 424(b) without
reliance on Rule 424(b)(8) (or a post-effective amendment providing such information shall have been filed and have been declared effective in accordance with the requirements of Rule 430B). The Company shall have paid the required Commission filing
fees relating to the Securities within the time period required by the 1933 Act Regulations. 
 (b) Opinion of Counsel for
Company. At Closing Time, the Representatives shall have received the favorable opinions, dated as of Closing Time, of Skadden, Arps, Slate, Meagher & Flom LLP, in form and substance satisfactory to counsel for the Underwriters to the
effect set forth in Exhibit A and Exhibit B hereto and to such further effect as counsel to the Underwriters may reasonably request. 
 (c) Opinion of Counsel for Underwriters. At the Closing Time, the Representatives shall have received the favorable opinion, dated as of the Closing Time, of Hunton & Williams LLP with
respect to the matters the Underwriters reasonably request. Such counsel may also state that, insofar as such opinion involves factual matters, they have relied, to the extent they deem proper, upon certificates of officers of the Company, the
Manager and certificates of public officials. 

  
 20 

 (d) Officers’ Certificates. At Closing Time, there shall not have been, since
the date hereof, since the Applicable Time or since the respective dates as of which information is given in the Prospectus or the General Disclosure Package, any Material Adverse Effect or Manager Material Adverse Effect. The Underwriters shall
have received a certificate of the President or a Vice President of the Company and of the chief financial or chief accounting officer of the Company, dated as of Closing Time, to the effect that (i) there has been no such Material Adverse
Effect, (ii) the representations and warranties in Section 1(a) hereof are true and correct with the same force and effect as though expressly made at and as of Closing Time, (iii) the Company has complied with all agreements and
satisfied all conditions on its part to be performed or satisfied at or prior to Closing Time, and (iv) no stop order suspending the effectiveness of the Registration Statement has been issued and no proceedings for that purpose have been
instituted or are pending or, to their knowledge, contemplated by the Commission. The Representatives shall have also received a certificate of the President of the Manager and of the Treasurer of the Manager, dated as of the Closing Time, to the
effect that (i) there has been no Manager Material Adverse Effect, (ii) the representations and warranties in Section 1(b) hereof are true and correct with the same force and effect as though expressly made at and as of the Closing
Time and (iii) the Manager has complied with all agreements and satisfied all conditions on its part to be performed or satisfied at or prior to the Closing Time. 
 (e) CFO Certificate. At the time of the execution of this Agreement, the Underwriters shall have received a certificate of the chief financial or chief accounting officer of the Company, dated as
of such date in the form set forth in Exhibit C hereto. At Closing Time, the Underwriters shall have received a certificate, dated as of Closing Time, of the Chief Financial Officer or chief accounting officer of the Company confirming that
the certificate delivered by the Company at the time of the execution of this Agreement pursuant to the prior sentence of this Section 5(e) hereof remains true and correct as of such Date of Delivery. 

(f) Accountant’s Comfort Letter. At the time of the execution of this Agreement, the Underwriter shall have received from
Ernst & Young LLP a letter dated such date, in form and substance satisfactory to the Representatives, together with signed or reproduced copies of such letters for each of the other Underwriters, containing statements and information of
the type ordinarily included in accountants’ “comfort letters” to underwriters with respect to the financial statements and certain financial information contained in the Registration Statement, the General Disclosure Package and the
Prospectus. Such letters shall address the audited financial statements, any unaudited interim financial statements (including a statement that such unaudited financial statements have been reviewed in accordance with the standards established under
Statement on Auditing Standards No. 100) and any pro forma financial statements and also shall provide customary negative assurances. 
 (g) Bring-down Comfort Letter. At Closing Time, the Representatives shall have received from Ernst & Young LLP a letter, dated as of Closing Time, to the effect that they reaffirm the
statements made in the letter furnished pursuant to subsection (e) of this Section 5, except that the specified date referred to shall be a date not more than three business days prior to Closing Time. 

  
 21 

 (h) Approval of Listing. At Closing Time, the Securities shall have been approved for
quotation on Nasdaq. 
 (i) No Objection. FINRA shall have not raised any objection with respect to the fairness and
reasonableness of the underwriting terms and arrangements. 
 (j) Lock up Agreements. At the date of this Agreement, the
Representatives shall have received an agreement substantially in the form of Exhibit D hereto signed by the persons and entities listed on Schedule V. 
 (k) Conditions to Purchase of Option Securities. In the event that the Underwriters exercise their option provided in Section 2(b) hereof to purchase all or any portion of the Option
Securities, the representations and warranties of the Company and the Manager contained herein and the statements in any certificates furnished by the Company and the Manager hereunder shall be true and correct as of each Date of Delivery and, at
the relevant Date of Delivery, the Representatives shall have received: 
 (i) Officers’ Certificate.
A certificate, dated such Date of Delivery, of the President or a Vice President of the Company and of the Chief Financial Officer or chief accounting officer of the Company confirming that the certificate delivered by the Company at the Closing
Time pursuant to Section 5(d) hereof remains true and correct as of such Date of Delivery. 
 (ii)
Officers’ Certificate. A certificate, dated such Date of Delivery, of the President of the Manager and of the Treasurer of the Manager confirming that the certificate delivered by the Manager at the Closing Time pursuant to
Section 5(d) hereof remains true and correct as of such Date of Delivery. 
 (iii) CFO Certificate. A
certificate, dated such Date of Delivery, of the Chief Financial Officer or chief accounting officer of the Company confirming that the certificate delivered by the Company at the time of execution of this Agreement pursuant to Section 5(e)
hereof remains true and correct as of such Date of Delivery. 
 (iv) Opinion of Counsel for Company. The
favorable opinion of Skadden, Arps, Slate, Meagher & Flom LLP, counsel for the Company and the Manager, each in form and substance satisfactory to counsel for the Underwriters, dated such Date of Delivery, relating to the Option Securities
to be purchased on such Date of Delivery and otherwise to the same effect as the opinions required by Section 5(b) hereof. 
 (v) Opinion of Counsel for Underwriters. The favorable opinion of Hunton & Williams LLP, special counsel for the Underwriters, dated such Date of Delivery, relating to the Option
Securities to be purchased on such Date of Delivery and otherwise to the same effect as the opinion required by Section 5(c) hereof. 
 (vi) Bring-down Comfort Letter. A letter from Ernst & Young LLP, in form and substance satisfactory to the Representatives and dated such Date of Delivery, substantially in the same form
and substance as the letter furnished to the Representatives pursuant to Section 5(f) hereof, except that the “specified date” in the letter furnished pursuant to this paragraph shall be a date not more than three days prior to such
Date of Delivery. 

  
 22 

 (l) Additional Documents. At the Closing Time and at each Date of Delivery, counsel
for the Underwriters shall have been furnished with such documents and opinions as they may reasonably require for the purpose of enabling it to pass upon the issuance and sale of the Securities as herein contemplated, or in order to evidence the
accuracy of any of the representations or warranties, or the fulfillment of any of the conditions, herein contained; and all proceedings taken by the Company in connection with the issuance and sale of the Securities as herein contemplated shall be
reasonably satisfactory in form and substance to the Underwriters and counsel for the Underwriters. 
 (m) Termination of
Agreement. If any condition specified in this Section 5 shall not have been fulfilled when and as required to be fulfilled, this Agreement, or, in the case of any condition to the purchase of Option Securities on a Date of Delivery which is
after the Closing Time, the obligations of the several Underwriters to purchase the relevant Option Securities, may be terminated by the Representatives by notice to the Company at any time at or prior to the Closing Time or such Date of Delivery,
as the case may be, and such termination shall be without liability of any party to any other party, except as provided in Section 4(b) and except that this paragraph and Sections 1, 6, 7 and 8 shall survive any such termination and remain in
full force and effect. 
 Section 6. Indemnification. 

(a) Indemnification of Underwriters. The Company agrees to indemnify and hold harmless each Underwriter, its Affiliates, its
selling agents and each person, if any, who controls the Underwriter within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act as follows: 

(i) against any and all loss, liability, claim, damage and expense whatsoever, as incurred, arising out of any untrue
statement or alleged untrue statement of a material fact contained in the Registration Statement (or any amendment thereto), and including the Rule 430B Information, or the omission or alleged omission therefrom of a material fact required to be
stated therein or necessary to make the statements therein not misleading, or arising out of any untrue statement or alleged untrue statement of a material fact included in any Preliminary Prospectus and the General Disclosure Package or the
Prospectus (or any amendment or supplement thereto), or the omission or alleged omission therefrom of a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading;

 (ii) against any and all loss, liability, claim, damage and expense whatsoever, as incurred, arising out of
any untrue statement or alleged untrue statement of a material fact contained in any Issuer Limited Use Free Writing Prospectus or the omission or alleged omission therefrom of a material fact necessary in order to make the statements therein, in
the light of the circumstances under which they were made, not misleading; 
 (iii) against any and all loss,
liability, claim, damage and expense whatsoever, as incurred, to the extent of the aggregate amount paid in settlement of any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or of any claim
whatsoever based upon any such untrue statement or omission, or any such alleged untrue statement or omission; provided that (subject to Section 6(e) below) any such settlement is effected with the written consent of the Company; 

  
 23 

 (iv) against any and all expense (including the fees and disbursements of
counsel chosen by the Representatives), reasonably incurred in investigating, preparing or defending against any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim whatsoever
based upon any such untrue statement or omission, or any such alleged untrue statement or omission, to the extent that any such expense is not paid under (i) or (ii) above; 
 provided, however, that this indemnity shall not apply to any loss, liability, claim, damage or expense to the extent arising out of any untrue statement or omission or alleged untrue
statement or omission made in reliance upon and in conformity with the Underwriter Content. 
 (b)
Indemnification of Company, Directors and Officers. Each Underwriter severally agrees to indemnify and hold harmless the Company, its directors, each of its officers who signed the Registration Statement, and each person, if any, who controls
the Company within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act, against any and all loss, liability, claim, damage and expense described in the indemnity contained in subsection (a) of this Section 6,
as incurred, but only with respect to untrue statements or omissions, or alleged untrue statements or omissions, made in the Registration Statement, the General Disclosure Package or the Prospectus in reliance upon and in conformity with the
Underwriter Content. The Company hereby acknowledges that the only information that the Underwriters have furnished to the Company expressly for use in the Registration Statement, the General Disclosure Package or the Prospectus are the statements
set forth under the caption “Underwriting” in such documents as follows: the first sentence of paragraph 9, and the third and fourth sentences of paragraph 10, each relating to price stabilization activities and paragraph 11 relating to
electronic prospectus delivery and paragraph 12 relating to Nomura Securities North America, LLC (collectively, the “Underwriter Content”). 
 (c) Actions Against Parties; Notification. Each indemnified party shall give notice as promptly as reasonably practicable to each indemnifying party of any action commenced against it in respect of
which indemnity may be sought hereunder, but failure to so notify an indemnifying party shall not relieve such indemnifying party from any liability hereunder to the extent it is not materially prejudiced as a result thereof and in any event shall
not relieve it from any liability which it may have otherwise than on account of this indemnity agreement. In case any such action is brought against any indemnified party and such indemnified party seeks or intends to seek indemnity from an
indemnifying party, the indemnifying party will be entitled to participate in, and, to the extent that it shall elect, jointly with all other indemnifying parties similarly notified, by written notice delivered to the indemnified party promptly
after receiving the aforesaid notice from such indemnified party, to assume the defense thereof with counsel reasonably satisfactory to such indemnified party; provided, however, if the defendants in any such action include both the
indemnified party and the indemnifying party and the indemnified party shall have reasonably concluded that a conflict may arise between the positions of the indemnifying party and the indemnified party in conducting the defense of any such action
or that there may be legal defenses available to it and/or other indemnified parties that are different from or additional to those available to the indemnifying party, the indemnified party or parties shall have the right to select separate counsel
to assume such legal defenses and to otherwise participate in the defense of such action on behalf of such indemnified party or parties. Upon 

  
 24 

 
receipt of notice from the indemnifying party to such indemnified party of such indemnifying party’s election so to assume the defense of such action and approval by the indemnified party of
counsel, the indemnifying party will not be liable to such indemnified party under this Section 6 for any legal or other expenses subsequently incurred by such indemnified party in connection with the defense thereof unless (i) the
indemnified party shall have employed separate counsel in accordance with the proviso to the next preceding sentence (it being understood, however, that the indemnifying party shall not be liable for the expenses of more than one separate counsel
(together with local counsel), approved by the indemnifying party, representing the indemnified parties who are parties to such action), (ii) the indemnifying party shall not have employed counsel satisfactory to the indemnified party to
represent the indemnified party within a reasonable time after notice of commencement of the action, or (iii) the indemnifying party has authorized in writing the employment of counsel for the indemnified party at the expense of the
indemnifying party, in each of which cases the fees and expenses of counsel shall be at the expense of the indemnifying party. 

(d) Settlement without Consent if Failure to Reimburse. The indemnifying party under this Section 6 shall not be liable for
any settlement of any proceeding effected without its written consent, which consent shall not be unreasonably withheld, but if settled with such consent or if there be a final judgment for the plaintiff, the indemnifying party agrees to indemnify
the indemnified party against any loss, claim, damage, liability or expense by reason of such settlement or judgment. Notwithstanding the foregoing sentence, if at any time an indemnified party shall have requested an indemnifying party to reimburse
the indemnified party for fees and expenses of counsel as contemplated by Section 6(d) hereof, the indemnifying party agrees that it shall be liable for any settlement of any proceeding effected without its written consent if (i) such
settlement is entered into more than 60 days after receipt by such indemnifying party of the aforesaid request and (ii) such indemnifying party shall not have reimbursed the indemnified party in accordance with such request prior to the date of
such settlement. No indemnifying party shall, without the prior written consent of the indemnified party, effect any settlement, compromise or consent to the entry of judgment in any pending or threatened action, suit or proceeding in respect of
which any indemnified party is or could have been a party and indemnity was or could have been sought hereunder by such indemnified party, unless such settlement, compromise or consent includes (i) an unconditional release of such indemnified
party from all liability on claims that are the subject matter of such action, suit or proceeding 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.

 Section 7. Contribution. If the indemnification provided for in Section 6 hereof is for any reason
unavailable to or insufficient to hold harmless an indemnified party in respect of any losses, liabilities, claims, damages or expenses referred to therein, then each indemnifying party shall contribute to the aggregate amount of such losses,
liabilities, claims, damages and expenses incurred by such indemnified party, as incurred, (i) in such proportion as is appropriate to reflect the relative benefits received by the Company on the one hand and the Underwriters on the other hand
from the offering of the Securities pursuant to this Agreement or (ii) if the allocation provided by clause (i) is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to
in clause (i) above but also the relative fault of the Company on the one hand and of the Underwriters on the other hand in connection with the statements or omissions which resulted in such losses, liabilities, claims, damages or expenses, as
well as any other relevant equitable considerations. 

  
 25 

 The relative benefits received by the Company on the one hand and the Underwriters on the
other hand in connection with the offering of the Securities pursuant to this Agreement shall be deemed to be in the same respective proportions as the total net proceeds from the offering of the Securities pursuant to this Agreement (before
deducting expenses) received by the Company and the total underwriting discount received by the Underwriters, in each case as set forth on the cover of the Prospectus bear to the aggregate public offering price of the Securities as set forth on the
cover of the Prospectus. 
 The relative fault of the Company on the one hand and the Underwriters on the other hand shall be
determined by reference to, among other things, whether any such untrue or alleged untrue statement of a material fact or omission or alleged omission to state a material fact relates to information supplied by the Company or by the Underwriters and
the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. 
 The Company and the Underwriters agree that it would not be just and equitable if contribution pursuant to this Section 7 were determined by pro rata allocation (even if the Underwriters were treated
as one entity for such purpose) or by any other method of allocation which does not take account of the equitable considerations referred to above in this Section 7. The aggregate amount of losses, liabilities, claims, damages and expenses
incurred by an indemnified party and referred to above in this Section 7 shall be deemed to include any legal or other expenses reasonably incurred by such indemnified party in investigating, preparing or defending against any litigation, or
any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim whatsoever based upon any such untrue or alleged untrue statement or omission or alleged omission. 

Notwithstanding the provisions of this Section 7, (i) no Underwriter shall be required to contribute an amount in excess of the
underwriting discounts and commissions applicable to the Securities purchased by such Underwriter and (ii) no person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the 1933 Act) shall be entitled to
contribution from any person who was not guilty of such fraudulent misrepresentation. 
 For purposes of this Section 7,
each person, if any, who controls an Underwriter within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act and each Underwriter’s Affiliates and selling agents shall have the same rights to contribution as such
Underwriter, and each director of the Company, each officer of the Company who signed the Registration Statement, and each person, if any, who controls the Company within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934
Act shall have the same rights to contribution as the Company. 
 The Underwriters’ respective obligations to contribute
pursuant to this Section 7 are several in proportion to the number of Initial Securities set forth opposite their respective names in Schedule I hereto and not joint. 

Section 8. Representations, Warranties and Agreements to Survive. All representations, warranties and agreements contained in
this Agreement or in certificates of officers of the Company or the Manager submitted pursuant hereto, shall remain operative and in full force and effect regardless of (i) any investigation made by or on behalf of any Underwriter or its
Affiliates or selling agents, any person controlling any Underwriter, its officers or directors or any person controlling the Company, the person controlling the Manager and (ii) delivery of and payment for the Securities. 

  
 26 

 Section 9. Termination of Agreement. 

(a) Termination; General. The Representatives may terminate this Agreement, by notice to the Company, at any time at or prior to
the Closing Time (i) if there has been, since the time of execution of this Agreement or since the respective dates as of which information is given in the General Disclosure Package or the Prospectus (exclusive of any supplement thereto), any
Material Adverse Effect or Manager Material Adverse Effect, the effect of which is such as to make it, in the judgment of the Representatives, impracticable or inadvisable to market the Securities or to enforce contracts for the sale of the
Securities, or (ii) if there has occurred any material adverse change in the financial markets in the United States or the international financial markets, any outbreak of hostilities or escalation thereof or other calamity or crisis or any
material and adverse change in national or international political, financial or economic conditions, in each case the effect of which is such as to make it, in the judgment of the Underwriter, impracticable or inadvisable to market the Securities
or to enforce contracts for the sale of the Securities, or (iii) if trading in any securities of the Company has been suspended or materially limited by the Commission or Nasdaq, or if trading generally on the New York Stock Exchange or The
NASDAQ Stock Market, Inc. has been suspended or materially limited, or minimum or maximum prices for trading have been fixed, or maximum ranges for prices have been required, by any of said exchanges or by order of the Commission, FINRA or any other
governmental authority, or (iv) a material disruption has occurred in commercial banking or securities settlement or clearance services in the United States such that settlement and clearance of the sale of the Securities is impracticable or
impossible, or (v) if a banking moratorium has been declared by either federal or New York State authorities. 
 (b)
Liabilities and Expenses. If this Agreement is terminated pursuant to this Section 9, (i) such termination shall be without liability of any party to any other party except as provided in Section 4 hereof, and provided further
that this paragraph and Sections 1, 6, 7 and 9(a) shall survive such termination and remain in full force and effect, and (ii) the Underwriters shall only be entitled to receive out-of-pocket expenses actually incurred. 

Section 10. Default by One or More of the Underwriters. If one or more of the Underwriters shall fail at the Closing Time or
a Date of Delivery to purchase the Securities which it or they are obligated to purchase under this Agreement (the “Defaulted Securities”), the Representatives shall have the right, within 24 hours thereafter, to make
arrangements for one or more of the non-defaulting Underwriters, or any other underwriters, to purchase all, but not less than all, of the Defaulted Securities in such amounts as may be agreed upon and upon the terms herein set forth; if, however,
the Representatives shall not have completed such arrangements within such 24-hour period, then: 
 (i) if the
number of Defaulted Securities does not exceed 10% of the number of Securities to be purchased on such date, each of the non-defaulting Underwriters shall be obligated, severally and not jointly, to purchase the full amount thereof in the
proportions that their respective underwriting obligations hereunder bear to the underwriting obligations of all non-defaulting Underwriters, or 
 (ii) if the number of Defaulted Securities exceeds 10% of the number of Securities to be purchased on such date, this Agreement, or, with respect to any Date of

  
 27 

 
Delivery which occurs after the Closing Time, the obligation of the Underwriters to purchase and of the Company to sell the Option Securities to be purchased and sold on such Date of Delivery,
shall terminate without liability on the part of any non-defaulting Underwriter. 
 No action taken pursuant to this Section
shall relieve any defaulting Underwriter from liability in respect of its default. 
 In the event of any such default which
does not result in a termination of this Agreement or, in the case of a Date of Delivery which is after the Closing Time, which does not result in a termination of the obligation of the Underwriters to purchase and the Company to sell the relevant
Option Securities, as the case may be, either (i) the Representatives or (ii) the Company shall have the right to postpone the Closing Time or the relevant Date of Delivery, as the case may be, for a period not exceeding seven days in
order to effect any required changes in the Registration Statement or Prospectus or in any other documents or arrangements. As used herein, the term “Underwriter” includes any person substituted for an Underwriter under this
Section 10. 
 Section 11. Tax Disclosure. Notwithstanding any other provision of this Agreement, from the
commencement of discussions with respect to the transactions contemplated hereby, the Company (and each employee, representative or other agent of the Company) may disclose to any and all persons, without limitation of any kind, the tax treatment
and tax structure (as such terms are used in Sections 6011, 6111 and 6112 of the U.S. Code and the Treasury Regulations promulgated thereunder) of the transactions contemplated by this Agreement and all materials of any kind (including opinions or
other tax analyses) that are provided to the Company relating to such tax treatment and tax structure. 
 Section 12.
Notices. All notices and other communications hereunder shall be in writing and shall be deemed to have been duly given if mailed or transmitted by any standard form of telecommunication. Notices to the Underwriters shall be directed to
Citigroup Global Markets Inc., 388 Greenwich Street, New York, New York, 10013, Attention: Equity Capital Markets Syndicate, with a copy to (which shall not constitute notice) Hunton & Williams LLP, Riverfront Plaza, East Tower, 951 East
Byrd Street, Richmond, Virginia 23219, Attention of Edward W. Elmore, Jr., Esq.; notices to the Company and the Manager shall be directed to each of them at 2 Bethesda Metro Center, 14th Floor, Bethesda, Maryland 20814, attention of Secretary, each
with a copy to (which shall not constitute notice) Skadden, Arps, Slate, Meagher & Flom LLP, Four Times Square, New York, New York 10036, Attention of David J. Goldschmidt, Esq. 

Section 13. No Advisory or Fiduciary Relationship. The Company acknowledges and agrees that (i) the purchase and sale of
the Securities pursuant to this Agreement, including the determination of the public offering price of the Securities and any related discounts and commissions, is an arm’s-length commercial transaction between the Company and the Manager, on
the one hand, and the several Underwriters, on the other hand, (ii) in connection with the offering contemplated hereby and the process leading to such transaction each Underwriter is and has been acting solely as a principal and is not the
agent or fiduciary of the Company, the Manager, or their respective stockholders, creditors, employees or any other party, (iii) each Underwriter has not assumed and will not assume an advisory or fiduciary responsibility in favor of the
Company or the Manager with respect to the offering contemplated hereby or the process 

  
 28 

 
leading thereto (irrespective of whether the Underwriter has advised or is currently advising the Company or the Manager on other matters) and each Underwriter has no obligation to the Company or
the Manager with respect to the offering contemplated hereby except the obligations expressly set forth in this Agreement, (iv) the Underwriters and their respective Affiliates may be engaged in a broad range of transactions that involve
interests that differ from those of each of the Company and the Manager, and (v) the Underwriters and their respective agents have not provided any legal, accounting, regulatory or tax advice with respect to the offering contemplated hereby and
the Company and the Manager have consulted their own respective legal, accounting, regulatory and tax advisors to the extent each deemed appropriate. 
 Section 14. Integration. This Agreement supersedes all prior agreements and understandings (whether written or oral) between the Company, the Manager and the Underwriters, or any of them, with
respect to the subject matter hereof. 
 Section 15. Parties. This Agreement shall each inure to the benefit of and
be binding upon the Underwriters, the Company, the Manager and their respective successors. Nothing expressed or mentioned in this Agreement is intended or shall be construed to give any person, firm or corporation, other than the Underwriters, the
Company, the Manager and their respective successors and the controlling persons and officers and directors referred to in Sections 6 and 7 and their heirs and legal representatives, any legal or equitable right, remedy or claim under or in
respect of this Agreement or any provision herein contained. This Agreement and all conditions and provisions hereof are intended to be for the sole and exclusive benefit of the Underwriters, the Company, the Manager and their respective successors,
and said controlling persons and officers and directors and their heirs and legal representatives, and for the benefit of no other person, firm or corporation. No purchaser of Securities from any Underwriter shall be deemed to be a successor by
reason merely of such purchase. 
 Section 16. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 
 Section 17. TIME. TIME SHALL BE OF THE ESSENCE OF THIS
AGREEMENT. EXCEPT AS OTHERWISE SET FORTH HEREIN, SPECIFIED TIMES OF DAY REFER TO NEW YORK CITY TIME. 
 Section 18.
Counterparts. This Agreement may be executed in any number of counterparts, each of which shall be deemed to be an original, but all such counterparts shall together constitute one and the same Agreement. 

Section 19. Effect of Headings. The Section headings herein are for convenience only and shall not affect the construction
hereof. 
 [Signature Page Follows.] 

  
 29 

 If the foregoing is in accordance with your understanding of our agreement, please sign and
return to the Company and the Manager a counterpart hereof, whereupon this instrument, along with all counterparts, will become a binding agreement among the Underwriters, the Company and the Manager in accordance with its terms. 

 

			
	Very truly yours,
	
	AMERICAN CAPITAL AGENCY CORP.
		
	By:	 	  

		 	Name:
		 	Title:
	
	AMERICAN CAPITAL AGENCY MANAGEMENT, LLC
		
	By:	 	  

		 	Name:
		 	Title:

  
 30 

 CONFIRMED AND ACCEPTED, 
 as of the date first above written: 
 For themselves and as Representatives of the several
Underwriters named in Schedule I hereto. 
  

			
	 MERRILL LYNCH, PIERCE, FENNER
 & SMITH INCORPORATED

		
	By:	 	  

		 	Name:
		 	Title:
	
	CITIGROUP GLOBAL MARKETS INC.
		
	By:	 	  

		 	Name:
		 	Title:
	
	DEUTSCHE BANK SECURITIES INC.
		
	By:	 	  

		 	Name:
		 	Title:
		
	By:	 	  

		 	Name:
		 	Title:
	
	UBS SECURITIES LLC
		
	By:	 	  

		 	Name:
		 	Title:
		
	By:	 	  

		 	Name:
		 	Title:

  
 31 

 SCHEDULE I 

 

					
	 Name of Underwriter
	  	Number of 
Initial
Securities	 
		
	 Merrill Lynch, Pierce, Fenner & Smith

Incorporated
	  	 	4,797,000	  
		
	 Citigroup Global Markets Inc.
	  	 	4,797,000	  
		
	 Deutsche Bank Securities Inc.
	  	 	4,797,000	  
		
	 UBS Securities LLC
	  	 	4,797,000	  
		
	 J.P. Morgan Securities LLC
	  	 	1,170,000	  
		
	 Wells Fargo Securities, LLC
	  	 	1,170,000	  
		
	 Mitsubishi UFJ Securities (USA), Inc.
	  	 	468,000	  
		
	 Nomura Securities North America, LLC
	  	 	468,000	  
		
	 RBC Capital Markets, LLC
	  	 	468,000	  
		
	 Wunderlich Securities, Inc.
	  	 	468,000	  
		  	 	 	 
		
	 Total
	  	 	23,400,000	  
		  	 	 	 

 SCHEDULE II 
 Information Conveyed at the Applicable Time 
 Price to Public: $28.00 

Number of Shares Offered: 23,400,000 

 SCHEDULE III 
 Issuer General Use Free Writing Prospectus 
 Free writing prospectus dated January 12, 2011,
as filed with the Commission on January 12, 2011 

 SCHEDULE IV 
 List of Subsidiaries 
 American Capital Agency TRS, LLC, a Delaware limited liability company

 SCHEDULE V 
 List of Persons and Entities Subject to Lock Up Agreements 
 American Capital Agency Management,
LLC 
 Malon Wilkus 
 John R. Erickson

 Samuel A. Flax 
 Alvin N. Puryear

 Morris A. Davis 
 Gary Kain

 Randy E. Dobbs 
 Larry K. Harvey

 Exhibit A 
 [SUBJECT TO OPINION COMMITTEE REVIEW] 
 January [20], 2011

 Merrill Lynch, Pierce, Fenner & Smith 
 Incorporated 
 Citigroup Global Markets Inc. 

Deutsche Bank Securities Inc. 
 UBS Securities
LLC 
 As Representatives of the several Underwriters 
 c/o Citigroup Global Markets Inc. 
 388 Greenwich Street 

New York, NY 10013 
  

	 	Re:	American Capital Agency Corp. – Offering of Common Stock 

 Ladies and Gentlemen: 
 We have acted as special counsel to American Capital
Agency Corp., a Delaware corporation (the “Company”), in connection with the Underwriting Agreement, dated January [13], 2011 (the “Underwriting Agreement”), among you, as representatives of the several Underwriters named therein
(the “Underwriters”), the Company and American Capital Agency Management, LLC, a Delaware limited liability company (the “Manager”, and collectively with the Company, the “Opinion Parties”, and each, an “Opinion
Party”), relating to the sale by the Company to the Underwriters of [23,400,000] shares (the “Firm Shares”) of the Company’s common stock, par value $0.01 per share (the “Common Stock”), and up to an additional
[3,510,000] shares of Common Stock (the “Option Shares”) at the Underwriters’ option to cover over-allotments. The Firm Shares and the Option Shares are collectively referred to herein as the “Securities.” 

This opinion is being furnished to you pursuant to Section 5(b) of the Underwriting Agreement. 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Deutsche Bank Securities Inc. 
 UBS Securities LLC 
 January [20], 2011 
 Page 2 
  

 In rendering the opinions stated herein, we have examined and relied upon the following:

 (a) the registration statement on Form S-3 (File No. 333-170374) of the Company relating to the Securities and other
securities of the Company filed with the Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933 (the “Securities Act”) allowing for delayed offerings pursuant to Rule 415 of the General Rules and
Regulations under the Securities Act (the “Rules and Regulations”), including information deemed to be a part of the registration statement pursuant to Rule 430B of the Rules and Regulations (such registration statement, at the time it
became effective, being hereinafter referred to as the “Registration Statement”); 
 (b) the prospectus, dated
November 4, 2010 (the “Base Prospectus”), which forms a part of and is included in the Registration Statement; 

(c) the preliminary prospectus supplement, dated January 12, 2011 (the “Preliminary Prospectus Supplement” and, together
with the Base Prospectus and the Incorporated Documents, the “Preliminary Prospectus”), relating to the offering of the Securities in the form filed by the Company with the Commission pursuant to Rule 424(b) of the Rules and Regulations;

 (d) the free writing prospectus, dated January 12, 2011, relating to the offering of the Securities in the form filed by
the Company with the Commission pursuant to Rule 433 of the Rules and Regulations (the “Free Writing Prospectus”); 

(e) the final prospectus supplement, dated January [13], 2011 (the “Prospectus Supplement” and, together with the Base
Prospectus and the Incorporated Documents, the “Prospectus”), relating to the offering of the Securities in the form filed by the Company with the Commission pursuant to Rule 424(b) of the Rules and Regulations; 

(f) the documents described on Schedule A hereto filed by the Company with the Commission pursuant to the Securities Exchange Act
of 1934 and incorporated by reference into the Preliminary Prospectus or the Prospectus, as the case may be, as of the date of the Preliminary Prospectus Supplement or Prospectus Supplement, respectively (the “Incorporated Documents”);

 (g) an executed copy of the Underwriting Agreement; 
 (h) a copy of the Amended and Restated Certificate of Incorporation of the Company, certified by the Secretary of State of the State of Delaware as of November 8, 2010, and certified pursuant to the
Company’s Secretary’s Certificate (as defined below); 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Deutsche Bank Securities Inc. 
 UBS Securities LLC 
 January [20], 2011 
 Page 3 
  

 (i) a copy of the Amended and Restated Bylaws of the Company, as amended and in effect
as of the date hereof, certified pursuant to the Company’s Secretary’s Certificate; 
 (j) a copy of the resolutions
of the Board of Directors of the Company with respect to the Underwriting Agreement and the authorization of the issuance and sale of the Securities, adopted on October 20, 2009 and October 25, 2010, and a copy of the resolutions of the
Pricing Committee of the Board of Directors with respect to the issuance and sale of the Securities, adopted on January [13], 2011, certified pursuant to the Company’s Secretary’s Certificate; 

(k) a copy of the Certificate of Formation of the Manager, certified by the Secretary of State of the State of Delaware as of
November 8, 2010, and certified pursuant to the Manager’s Secretary’s Certificate (as defined below); 
 (l) a
copy of the Limited Liability Company Operating Agreement of the Manager, dated January 8, 2008, and the First Amendment thereto, dated October 19, 2009, entered into by American Capital LLC, the sole member of the Manager, certified
pursuant to the Manager’s Secretary’s Certificate (the “Manager Operating Agreement”); 
 (m) a copy of the
resolutions of the sole member of the Manager with respect to the Underwriting Agreement, adopted on January [13], 2011, certified pursuant to the Manager’s Secretary’s Certificate; 

(n) an executed copy of the certificate of Samuel A. Flax, the Secretary and Executive Vice President of the Company and
the Secretary and Vice President of the Manager, dated the date hereof (the “Officer’s Certificate”); 

(o) an executed copy of the certificate of Samuel A. Flax, the Secretary of the Company, dated the date hereof (the “Company’s
Secretary’s Certificate”); 
 (p) an executed copy of the certificate of Samuel A. Flax, the Secretary of the Manager,
dated the date hereof (the “Manager’s Secretary’s Certificate”, and collectively with the Company’s Secretary’s Certificate, the “Secretary’s Certificates”); 

(q) the certificates of John R. Erickson, the Executive Vice President and Chief Financial Officer of the Company, dated January [13],
2011 and dated the date hereof; 
 (r) executed copies of officers’ certificates of the Company and the Manager, each dated
the date hereof, delivered pursuant to the Underwriting Agreement; 
 (s) copies of incumbency certificates of officers of the
Company and the Manager, each dated the date hereof; 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Deutsche Bank Securities Inc. 
 UBS Securities LLC 
 January [20], 2011 
 Page 4 
  

 (t) an executed copy of the certificate of Gary Kain, the Senior Vice President and
Chief Investment Officer of the Company, dated the date hereof, relating to certain matters under the Investment Company Act of 1940, as amended (such Act, the “1940 Act” and such certificate, the “1940 Act Certificate”);

 (u) an executed copy of the certificate of Samuel A. Flax, the Secretary and Vice President of the Manager, dated the date
hereof, relating to certain matters under the Investment Advisers Act of 1940, as amended (such Act, the “Advisers Act” and such certificate, the “Advisers Act Certificate”); 

(w) an executed copy of the Management Agreement between the Company and the Manager, dated May 20, 2008 (the “Management
Agreement” or the “Company Scheduled Contract”); 
 (v) an executed copy of the Administrative Services Agreement
between the Manager and American Capital, Ltd., dated May 20, 2008 (together with the Management Agreement, the “Manager Scheduled Contracts”); 
 (w) a certificate, dated January 12, 2011, and a bringdown verification thereof, dated the date hereof, from the Secretary of State of the State of Delaware, with respect to the Company’s
existence, due incorporation and good standing in the State of Delaware (the “Company Delaware Certificates”); and 

(x) a certificate, dated January 12, 2011, and a bringdown verification thereof, dated the date hereof, from the Secretary of State
of the State of Delaware, as to the Manager’s existence, due formation and good standing in the State of Delaware (the “Manager Delaware Certificates”, and collectively with the Company Delaware Certificates, the “Delaware
Certificates”). 
 We have also examined originals or copies, certified or otherwise identified to our satisfaction, of
such records of the Company and the Manager and such agreements, certificates and receipts of public officials, certificates of officers or other representatives of the Company, the Manager and others, and such other documents as we have deemed
necessary or appropriate as a basis for the opinions stated below. 
 In our examination, we have assumed the genuineness of all
signatures including endorsements, the legal capacity and competency of all natural persons, the authenticity of all documents submitted to us as originals, the conformity to original documents of all documents submitted to us as facsimile,
electronic, certified or photostatic copies, and the authenticity of the originals of such copies. As to any facts relevant to the opinions stated herein that we did not independently establish or verify, we have relied upon statements and
representations of officers and other representatives of the Company, the Manager and others and of public officials, including the facts and conclusions set forth in the Officer’s Certificate. 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Deutsche Bank Securities Inc. 
 UBS Securities LLC 
 January [20], 2011 
 Page 5 
  

 We do not express any opinion with respect to the laws of any jurisdiction other than
(i) the laws of the State of New York, (ii) the federal laws of the United States of America, (iii) the General Corporation Law of the State of Delaware (the “DGCL”) and the Delaware Limited Liability Company Act (the
“DLLCA”) and (iv) for purposes of the opinions stated in paragraphs 9 and 10, the 1940 Act and the Advisers Act, respectively. 
 As used herein: “Organizational Documents” means those documents listed in paragraphs (g), (h), (j) and (k) above. “Scheduled Contracts” means the Company Scheduled Contract
and the Manager Scheduled Contracts. “Scheduled Orders” means those orders or decrees described on Schedule B and Schedule C hereto. “General Disclosure Package” means the Preliminary Prospectus, as amended and
supplemented by the information set forth on Schedule II to the Underwriting Agreement, together with the Free Writing Prospectus. 
 The opinions stated herein are subject to the following qualifications, assumptions and limitations: 
 (a) we do not express any opinion with respect to whether the execution, delivery or performance by any Opinion Party of its obligations under the Underwriting Agreement will constitute a violation of, or
a default under, any covenant, restriction or provision with respect to financial ratios or tests or any aspect of the financial condition or results of operations of any Opinion Party or any of its subsidiaries; 

(b) the opinion stated in paragraph 5 above is based solely on our discussions with the officers or other representatives of the Company
responsible for the matters discussed therein, our review of documents furnished to us by the Company and our reliance on the representations and warranties of the Company contained in the Underwriting Agreement and the Officer’s Certificate;
we have not made any other inquiries or investigations or any search of the public docket records of any court, governmental agency or body or administrative agency. In addition, we call to your attention that we have not been engaged by, nor have
we rendered any advice to, the Company in connection with any legal or governmental proceedings. Accordingly, we do not have any special knowledge with respect to such matters; 

(c) the opinion stated in paragraph 9 above is based solely on our discussions with the officers of the Company responsible for the
matters discussed therein and our reliance on the representations and warranties of the Company contained in the Underwriting Agreement and the 1940 Act Certificate; 
 (d) the opinion stated in paragraph 10 above is based solely on our discussions with the officers of the Manager responsible for the matters discussed therein and our reliance on the representations and
warranties of the Manager contained in the Underwriting Agreement and the Advisers Act Certificate; and 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Deutsche Bank Securities Inc. 
 UBS Securities LLC 
 January [20], 2011 
 Page 6 
  

 (e) we have assumed that the Manager Operating Agreement is the only agreement of the
members of the Manager as to the affairs of the Manager and the conduct of its business, and we do not express any opinion with respect to the effect of any other agreement of the members the Manager as to the affairs of the Manager and the conduct
of its business. 
 Based upon the foregoing and subject to the limitations, qualifications, exceptions and assumptions stated
herein, we are of the opinion that: 
 1. Based solely on our review of the Delaware Certificates, each Opinion Party is duly
incorporated or duly formed, as applicable, and is validly existing and in good standing under the DGCL or the DLLCA, as applicable. 
 2. Each Opinion Party has the corporate or limited liability company, as applicable, power and authority to execute and deliver the Underwriting Agreement and to consummate the transactions contemplated
thereby under the DGCL or the DLLCA, as applicable. 
 3. The Underwriting Agreement has been duly authorized by all requisite
corporate or limited liability company, as applicable, action on the part of each Opinion Party and duly executed and delivered by such Opinion Party under the DGCL or the DLLCA, as applicable. 

4. Neither the execution and delivery by either Opinion Party of the Underwriting Agreement nor the consummation by such Opinion Party of
the transactions contemplated thereby, including the issuance and sale of the Securities: (i) conflicts with the Organizational Documents of such Opinion Party, (ii) constitutes a violation of, or a default under, any Scheduled Contract to
which such Opinion Party is a party, (iii) contravenes any Scheduled Order to which such Opinion Party is subject, (iv) violates any law, rule or regulation of the State of New York, the State of Delaware or the United States of America,
or (v) requires the consent, approval, licensing or authorization of, or any filing, recording or registration with, any governmental authority under any law, rule or regulation of the State of New York, the state of Delaware or the United
States of America except for those consents, approvals, licenses and authorizations already obtained and those filings, recordings and registrations already made. 
 5. To our knowledge, there are no legal or governmental proceedings pending to which the Company is a party or to which any property of the Company is subject that are required to be disclosed in the
Prospectus pursuant to Item 103 of Regulation S-K of the Rules and Regulations that are not so disclosed. 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Deutsche Bank Securities Inc. 
 UBS Securities LLC 
 January [20], 2011 
 Page 7 
  

 6. The Firm Shares have been duly authorized by all requisite corporate action on the
part of the Company under the DGCL and, when delivered to and paid for by the Underwriters in accordance with the terms of the Underwriting Agreement and registered in book-entry form, will be validly issued, fully paid and non-assessable, and free
and clear of any preemptive rights or any similar rights arising under the DGCL, the Organizational Documents of the Company and the Company Scheduled Contract. 
 7. The statements in the Prospectus and the General Disclosure Package under the caption “Description of Securities,” insofar as such statements purport to summarize certain provisions of the
terms of the Common Stock and the DGCL, fairly summarize such provisions of the terms of such securities and the DGCL, respectively, in all material respects. 
 8. The statements in the Prospectus and the General Disclosure Package under the caption “Underwriting,” insofar as such statements purport to summarize certain provisions of the Underwriting
Agreement, fairly summarize such provisions in all material respects. 
 9. The Company is not and, solely after giving effect
to the offering and sale of the Firm Shares and the application of the proceeds thereof as described in the Prospectus and the General Disclosure Package, will not be subject to registration and regulation as an “investment company” as
such term is defined in the 1940 Act. 
 10. The Manager is not subject to registration and regulation as an “investment
adviser” as such term is defined in the Advisers Act. 
 11. The Company has authority to issue 150,000,000 shares of
Common Stock and 10,000,000 shares of preferred stock, par value $0.01 per share, and such authorized capital stock of the Company conforms as to legal matters to the description thereof contained in the Prospectus and the General Disclosure
Package. 
 This opinion is furnished only to you as representatives of the Underwriters and is solely for the
Underwriters’ benefit in connection with the closing occurring today and the offering of the Firm Shares, in each case pursuant to the Underwriting Agreement. Without our prior written consent, this opinion may not be used, circulated, quoted
or otherwise referred to for any other purpose or relied upon by, or assigned to, any other person for any purpose, including any other person that acquires any Firm Shares or that seeks to assert your rights in respect of this opinion (other than
an Underwriter’s successor in interest by means of merger, consolidation, transfer of a business or other similar transaction). 
 Very truly yours, 

 Schedule A 
 Incorporated Documents 
 Annual Report on Form 10-K for the year ended December 31,
2009 filed on February 24, 2010 
 Amendment No. 1 on Form 10-K/A to the Annual Report for the year ended December 31, 2009 filed
on July 12, 2010 
 Quarterly Report on Form 10-Q for the quarter ended March 31, 2010 filed on May 3, 2010 

Amendment No. 1 on Form 10-Q/A to the Quarterly Report for the quarter ended March 31, 2010 filed on July 12, 2010 

Quarterly Report on Form 10-Q for the quarter ended June 30, 2010 filed on August 6, 2010 

Quarterly Report on Form 10-Q for the quarter ended September 30, 2010 filed on November 8, 2010 

Current Reports on Form 8-K filed on May 19, 2010, October 5, 2010, November 9, 2010 and December 15, 2010 

The portions of the Definitive Proxy Statement on Schedule 14A filed on April 2, 2010 that are incorporated by reference in the Annual Report on
Form 10-K for the year ended December 31, 2009 
 The description of the Common Stock set forth in the registration statement on Form 8-A
filed on May 9, 2008 

 Schedule B 
 Company Scheduled Orders 
 None 

 Schedule C 
 Manager Scheduled Orders 
 None 

 Exhibit B 
 [Subject to Opinion Committee Review] 
 January
    , 2011 
 Merrill Lynch, Pierce, Fenner & Smith Incorporated 

Citigroup Global Markets Inc. 
 Deutsche Bank
Securities Inc. 
 UBS Securities LLC 
 As Representatives of the several Underwriters 
 named in Schedule I of the
Underwriting Agreement 
 c/o Citigroup Global Markets Inc. 
 388 Greenwich Street 
 New York, NY 10013 

 

	 	Re:	Certain United States Federal Income Tax Matters 

 Ladies and Gentlemen: 
 You have requested our opinion concerning certain United
States Federal income tax considerations in connection with the sale (the “Sale”) by American Capital Agency Corp., a Delaware corporation (“ACAC”), to the several Underwriters named in Schedule I (the
“Underwriters”) of the Underwriting Agreement among Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Deutsche Bank Securities Inc. and UBS Securities LLC as representatives of the several
Underwriters, and ACAC and American Capital Agency Management, LLC, dated as of January [    ], 2011 (the “Underwriting Agreement”), of 23,400,000 shares of ACAC’s common stock, par value $0.01 per
share, and an additional [3,510,000] shares of ACAC’s common stock at the Underwriters’ option to cover over-allotments (collectively, the “Shares”), pursuant to a shelf registration statement on Form S-3 filed with the
Securities and Exchange Commission (the “Commission”), including the base prospectus dated as of November 4, 2010, the preliminary prospectus supplement thereto dated as of January [    ], 2011, and
the final prospectus supplement thereto dated as of January [    ], 2011 (the “Offering Documents”). We have acted as tax counsel to ACAC in connection with, and have participated in the preparation of,
the Offering Documents. This opinion is being furnished to you pursuant to Section 5(b) of the Underwriting Agreement. Capitalized terms used herein but not defined shall have the meanings set forth in the Underwriting Agreement. 

  
 B-1

 In connection with this opinion, we have examined originals or copies, certified or
otherwise identified to our satisfaction, of the Offering Documents and such other documentation and information provided to us by ACAC as we have deemed necessary or appropriate as a basis for the opinion set forth herein. In addition, ACAC has
provided us with, and we are relying upon, a certificate containing certain factual statements, factual representations and covenants of officers of ACAC (the “Officers’ Certificate”) relating to, among other things, the actual
and proposed operations of ACAC and the entities in which it holds, or has held, a direct or indirect interest (collectively, the “Company”). For purposes of our opinion, we have not independently verified the facts, statements,
representations and covenants set forth in the Officers’ Certificate, the Offering Documents, or in any other document. In particular, we note that the Company may engage in transactions in connection with which we have not provided legal
advice, and have not reviewed, and of which we may be unaware. Consequently, we have relied on ACAC’s representation that the facts, statements, representations, and covenants presented in the Officers’ Certificate, the Offering Documents,
and other documents, or otherwise furnished to us, accurately and completely describe all material facts relevant to our opinion. We have assumed that all such facts, statements, representations and covenants are true without regard to any
qualification as to knowledge, belief, intent, materiality, or otherwise. Our opinion is conditioned on the continuing accuracy and completeness of such facts, statements, representations and covenants. We are not aware of any facts inconsistent
with the statements in the Officers’ Certificate. Any material change or inaccuracy in the facts, statements, representations, and covenants referred to, set forth, or assumed herein or in the Officers’ Certificate may affect our
conclusions set forth herein. 
 In our review of certain documents in connection with our opinion as expressed below, we have
assumed the legal capacity of all natural persons, the genuineness of all signatures, the authenticity of all documents submitted to us as originals, the conformity to original documents of all documents submitted to us as certified, conformed,
photostatic, or electronic copies, and the authenticity of the originals of such copies. Where documents have been provided to us in draft form, we have assumed that the final executed versions of such documents will not differ materially from such
drafts. 
 Our opinion is also based on the correctness of the following assumptions: (i) ACAC and each of the entities
comprising the Company has been and will continue to be operated in accordance with the laws of the jurisdictions in which they were formed, and in the manner described in the relevant organizational documents, (ii) there will be no changes in
the applicable laws of the State of Delaware or of any other jurisdiction under the laws of which any of the entities comprising the Company have been formed, and (iii) each of the written agreements to which the Company is a party has been and
will be implemented, construed and enforced in accordance with its terms. 
 In rendering our opinion, we have considered and
relied upon the Internal Revenue Code of 1986, as amended (the “Code”), the regulations promulgated thereunder (“Regulations”), administrative rulings and other Treasury interpretations of the Code and the

  
 B-2

 
Regulations by the courts and the Internal Revenue Service (“IRS”), all as they exist at the date hereof. It should be noted that the Code, Regulations, judicial decisions, and
administrative interpretations are subject to change at any time and, in some circumstances, with retroactive effect. A material change that is made after the date hereof in any of the foregoing bases for our opinion could affect our conclusions set
forth herein. In this regard, an opinion of counsel with respect to an issue represents counsel’s best judgment as to the outcome on the merits with respect to such issue, is not binding on the IRS or the courts, and is not a guarantee that the
IRS will not assert a contrary position with respect to such issue or that a court will not sustain such a position if asserted by the IRS. 
 We express no opinion as to the laws of any jurisdiction other than the federal laws of the United States. We express no opinion on any issue relating to ACAC or any investment therein, other than as
expressly stated herein. 
 TO ENSURE COMPLIANCE WITH TREASURY DEPARTMENT CIRCULAR 230, YOU ARE HEREBY NOTIFIED THAT:
(A) ANY FEDERAL TAX ADVICE CONTAINED HEREIN IS NOT INTENDED OR WRITTEN TO BE USED, AND CANNOT BE USED BY ANY PERSON, FOR THE PURPOSE OF AVOIDING PENALTIES THAT MAY BE IMPOSED UNDER THE CODE; (B) THE ADVICE IS WRITTEN IN CONNECTION WITH THE
PROMOTION OR MARKETING OF THE TRANSACTION OR THE MATTERS ADDRESSED HEREIN BY THE COMPANY; AND (C) YOU SHOULD SEEK ADVICE BASED ON YOUR PARTICULAR CIRCUMSTANCES FROM AN INDEPENDENT TAX ADVISOR. 

Based on and subject to the foregoing, we are of the opinion that: 

1. Commencing with ACAC’s initial taxable year that ended on December 31, 2008, ACAC has been organized and operated in
conformity with the requirements for qualification and taxation as a real estate investment trust (a “REIT”) under the Code, and its actual method of operation through the date of this opinion has enabled, and its proposed method of
operation will continue to enable, it to meet the requirements for qualification and taxation as a REIT for its taxable year ending December 31, 2011 and subsequent years. As noted in the Offering Documents, ACAC’s qualification and
taxation as a REIT depend upon its ability to meet, through actual operating results, certain requirements relating to the sources of its income, the nature of its assets, its distribution levels and the diversity of its stock ownership, and various
other qualification tests imposed under the Code, the results of which are not reviewed by us. Accordingly, no assurance can be given that the actual results of ACAC’s operations for any one taxable year will satisfy the requirements for
taxation as a REIT under the Code. 
 2. Although the discussion set forth in the Offering Documents under the headings
“Federal Income Tax Considerations” and “Supplement to Federal Income Tax Considerations” does not purport to discuss all possible United States Federal income tax consequences of the ownership and disposition of the Shares, such
discussion, though general in nature, constitutes, in all material respects, a fair and accurate summary under current law of the material United States Federal income tax consequences of the ownership and disposition of the Shares of ACAC, subject
to the qualifications set forth therein. 

  
 B-3

 This opinion has been prepared for you in connection with the Sale and pursuant to
Section 5(b) of the Underwriting Agreement. This opinion may not be relied upon by anyone else without our prior written consent. This opinion is expressed as of the date hereof, and we are under no obligation to supplement or revise our
opinion to reflect any legal developments or factual matters arising subsequent to the date hereof, or the impact of any information, document, certificate, record, statement, representation, covenant, or assumption relied upon herein that becomes
incorrect or untrue. 
 Very truly yours, 

  
 B-4

 Exhibit C 
 AMERICAN CAPITAL AGENCY CORP. 
 CFO CERTIFICATE 

Pursuant to Section 5(e) and Section 5(k)(iii), if applicable, of the Underwriting Agreement, dated January     ,
2011 (the “Underwriting Agreement”), by and among American Capital Agency Corp., a Delaware corporation (the “Company”), and American Capital Agency Management, LLC, a Delaware limited liability company, on the one
hand, and Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Deutsche Bank Securities Inc. and UBS Securities LLC, as representatives of the several underwriters named in Schedule I thereto, on the other
hand, the undersigned, John R. Erickson, Executive Vice President and Chief Financial Officer of the Company, hereby certifies that: 
 1. As the Company’s Executive Vice President and Chief Financial Officer, (A) I am responsible for the Company’s accounting and financial matters, (B) I am familiar with the
Company’s financial statements and internal accounting records and (C) I am familiar with and responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and
internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)). 
 2. (A) I have been
actively involved in the preparation of the financial data included in the Preliminary Prospectus; (B) I have reviewed the statements appearing under the caption “Prospectus Summary — Recent Developments” in the Preliminary
Prospectus (the “Recent Developments”), including the financial data contained therein as circled and attached hereto as Exhibit A (the “Financial Data” and, together with the Recent Developments, the
“Disclosure”), (C) I or Company personnel under my supervision have performed certain procedures to confirm the reasonableness of the Financial Data based on the Company’s best currently available information and
estimates, (D) the Disclosure was true, accurate and correct in all material respects as of the Applicable Time, and (E) the Financial Data is based upon the Company’s assessment and analysis of all factors it deems relevant,
including the application of adjustments that have been or are expected to be recorded in connection with the preparation of the Company’s financial statements for the quarter and year ended December 31, 2010, which adjustments it deems
reasonable after due and proper consideration of all relevant facts for the quarter and year ended December 31, 2010. 
 Unless otherwise
defined herein, capitalized terms used in this certificate shall have the meanings ascribed to them in the Underwriting Agreement. 
 This
certificate is to assist the Underwriters and their counsel in conducting and documenting their investigation of the affairs of the Company in connection with the offer and sale of the Securities. Each of Skadden, Arps, Slate, Meagher &
Flom LLP, counsel to the Company, and Hunton & Williams LLP, counsel to the Underwriters, is entitled to rely on this certificate in connection with the opinions that each firm is rendering pursuant to the Underwriting Agreement.

  
 C-1

 [Signature page follows.] 

  
 C-2

 IN WITNESS WHEREOF, the undersigned have executed this Certificate as of this
     day of January, 2011. 
  

					
	By:	 	  

		 	Name:	 	John R. Erickson
		 	Title:	 	Executive Vice President and Chief Financial Officer

 [Signature page to CFO Certificate of the Company] 

  
 C-3

 Exhibit D 
 FORM OF LOCK-UP AGREEMENT 
 TO BE DELIVERED PURSUANT TO SECTION 5(j) 

January 10, 2011 
 Merrill
Lynch, Pierce, Fenner & Smith 
 Incorporated 
 Citigroup Global Markets Inc. 
 Deutsche Bank Securities Inc. 

UBS Securities LLC 
 c/o Citigroup Global
Markets Inc. 
 388 Greenwich Street 

New York, NY 10013 
 As Representatives of the
several Underwriters 
  

	 	Re:	Proposed Public Offering by American Capital Agency Corp. 

 Dear Sirs: 
 The undersigned, an officer and/or director or the manager of
American Capital Agency Corp., a Delaware corporation (the “Company”), understands that Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Deutsche Bank Securities Inc. and UBS Securities LLC
(in such capacity, the “Representatives”) propose to enter into an Underwriting Agreement (the “Underwriting Agreement”) with the Company and American Capital Agency Management, LLC, a Delaware limited liability
company and the manager of the Company (the “Manager”), providing for the public offering of shares of the Company’s common stock, $0.01 par value per share (“Common Stock”). In recognition of the benefit that
such an offering will confer upon the undersigned as an officer and/or director or the manager of the Company, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the undersigned agrees with
the Representatives that, during a period of 30 days following the date of the Underwriting Agreement, the undersigned will not, without the prior written consent of the Representatives, directly or indirectly, (i) offer, pledge, sell, contract
to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant for the sale of, or otherwise dispose of or transfer any of the shares of Common Stock or any securities convertible into
or exchangeable or exercisable for shares of Common Stock, whether now owned or hereafter acquired by the undersigned or with respect to which the undersigned has or hereafter acquires the power of disposition, or file, or cause to be filed, any
registration statement under the Securities Act of 1933, as amended, with respect to 

  
 D-1

 
any of the foregoing (collectively, the “Lock-Up Securities”) or (ii) enter into any swap or any other agreement or any transaction that transfers, in whole or in part,
directly or indirectly, the economic consequence of ownership of the Lock-Up Securities, whether any such swap or transaction is to be settled by delivery of shares of Common Stock or other securities, in cash or otherwise. 

For the avoidance of doubt, nothing contained herein shall prevent the undersigned from, or restrict the ability of the undersigned to,
(i) purchasing shares of Common Stock or other securities of the Company, (ii) exercising any options or other convertible securities granted under any benefit plan of the Company; provided, that any shares of Common Stock received upon
exercise of such options or other convertible securities shall be subject to the foregoing restrictions, or (iii) causing to be filed one or more registration statements under the Securities Act, including amendments and supplements thereto,
with respect to the Company’s Direct Stock Purchase Program and Dividend Reinvestment Program, and authorizing or effecting the sale by the Company of any shares of Common Stock registered pursuant thereto; provided that the undersigned
shall not grant any purchase volume waivers under such plan during the period of 30 days from the date of the Underwriting Agreement. 
 Notwithstanding the foregoing, the undersigned may make gifts or transfers of Common Stock to, or for the benefit of, family members, charitable institutions, and trusts, limited partnerships or other
entities created for estate planning purposes, the principal beneficiaries of which are family members or charitable institutions, subject to the condition that any such family member or charitable institution or other holder shall execute an
agreement with the Representatives stating that such transferee is receiving and holding the shares of Common Stock subject to the provisions of this lock-up agreement. In addition, if the undersigned is a corporation, partnership, limited liability
company or other entity, the undersigned may transfer shares of Common Stock to persons or other entities that own equity interests in the undersigned, subject to the condition that the recipient shall execute an agreement with the Representatives
stating that such recipient is receiving and holding the shares of Common Stock subject to the provisions of this lock-up agreement. 
 The undersigned also agrees and consents to the entry of stop transfer instructions with the Company’s transfer agent and registrar against the transfer of the Lock-Up Securities, except in
compliance with the foregoing instructions. 
 THIS LOCK-UP AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE
LAWS OF THE STATE OF NEW YORK. 
 [Signature page follows.] 

  
 D-2

 
			
	Very truly yours,
		
	Signature:	 	  

		
	Print Name:	 	  

		
	Title:	 	  

  
 D-3Exhibit 10.2

 Exhibit 10.2 
 EXECUTION COPY 
  

 
  

UNDERWRITING AGREEMENT 
 AMERICAN CAPITAL AGENCY CORP. 
 (a Delaware corporation) 

28,000,000 Shares of Common Stock 
 Dated: March 21, 2011 
  

 
  

 AMERICAN CAPITAL AGENCY CORP. 

(a Delaware corporation) 
 28,000,000 Shares of Common Stock 
 (Par Value $0.01 Per Share)

 UNDERWRITING AGREEMENT 
 March 21, 2011 
 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 c/o Citigroup Global Markets Inc. 

388 Greenwich Street 
 New York, NY 10013

 As Representatives of the several Underwriters 
 Ladies and Gentlemen: 
 American Capital Agency Corp., a Delaware corporation (the
“Company”) and American Capital Agency Management, LLC, a Delaware limited liability company and manager of the Company (the “Manager”), confirm their agreement with each of the Underwriters named in
Schedule I hereto (collectively, the “Underwriters,” which term shall also include any underwriter hereinafter substituted as provided in Section 10 hereof), for whom Merrill Lynch, Pierce, Fenner & Smith
Incorporated, Citigroup Global Markets Inc., Credit Suisse Securities (USA) LLC, and Deutsche Bank Securities Inc. are acting as representatives (in such capacity, if and as applicable, the “Representatives”), with respect to
(i) the sale by the Company and the purchase by the Underwriters, acting severally and not jointly, of 28,000,000 shares of common stock, par value $0.01 per share, of the Company (“Common Stock”) and (ii) the grant by the
Company to the Underwriters, acting severally and not jointly, of the option described in Section 2(b) hereof to purchase all or any part of 4,200,000 additional shares of Common Stock to cover over allotments, if any. The aforesaid 28,000,000
shares of Common Stock (the “Initial Securities”) to be purchased by the Underwriters and all or any part of the 4,200,000 shares of Common Stock subject to the option described in Section 2(b) hereof (the “Option
Securities”) are hereinafter called, collectively, the “Securities.” 

  
 1 

 The Company and the Manager understand that the Underwriters propose to make a public
offering of the Securities as soon as the Representatives deem advisable after this Agreement has been executed and delivered. 

Section 1. Representations and Warranties. 
 (a) Representations and Warranties by the Company. The Company represents and warrants to each Underwriter as of the date hereof, as of the Applicable Time referred to in Section 1(a)(iii)
hereof, as of the Closing Time referred to in Section 2(c) hereof, and as of each Date of Delivery (if any) referred to in Section 2(b) hereof, and agrees with each Underwriter, as follows: 

(i) Compliance with Registration Requirements. The Company has filed with the Securities and Exchange Commission
(the “Commission”) a shelf registration statement on Form S-3 (File No. 333-170374) under the Securities Act of 1933, as amended (the “1933 Act”), in respect of the Common Stock (including the Securities)
on November 4, 2010, which contains a base prospectus, to be used in connection with the public offering and sale of the Securities; the Company satisfies all eligibility requirements for use of Form S-3 as contemplated by such
registration statement and this Agreement; such registration statement became effective under the 1933 Act upon filing; the Company has complied to the Commission’s satisfaction with all requests of the Commission for additional or supplemental
information with respect to such registration statement or otherwise; no stop order suspending the effectiveness of such registration statement or any part thereof has been issued and no proceeding for that purpose has been initiated or, to the
knowledge of the Company, threatened by the Commission, and no notice of objection of the Commission to the use of such form of registration statement or any post-effective amendment thereto has been received by the Company (the base prospectus
filed as part of such registration statement, in the form in which it was filed with the Commission on or prior to the date of this Agreement, is hereinafter called the “Basic Prospectus”); the various parts of such registration
statement, including all exhibits thereto and any prospectus supplement or prospectus relating to the Securities that is filed with the Commission and deemed by virtue of Rule 430B under the 1933 Act to be part of such registration statement (any
such information that was omitted from such registration statement at the time it became effective but that was deemed to be a part and included in such registration statement pursuant to Rule 430B under the 1933 Act is referred to as
“430B Information”), each as amended at each time such part of the registration statement became effective, are hereinafter collectively called the “Registration Statement”; each preliminary prospectus used in
connection with the offering of the Securities that omitted Rule 430B Information, including the related Basic Prospectus in the form first filed by the Company pursuant to Rule 424(b) under the 1933 Act is herein called, a “Preliminary
Prospectus”; the final prospectus supplement specifically relating to the Securities prepared and filed with the Commission pursuant to Rule 424(b) under the 1933 Act is hereinafter called the “Prospectus Supplement”; the
Basic Prospectus, as amended and supplemented by the Prospectus Supplement, is hereinafter called the “Prospectus”; any reference herein to the Basic Prospectus, each Preliminary Prospectus or the Prospectus shall be deemed to refer
to and include the documents incorporated by reference therein pursuant to Item 12 of Form S-3 under the 1933 Act; provided, however, that no representation or warranty included in any exhibit

  
 2 

 
to any such incorporated document, other than the representations and warranties contained herein, is deemed to be made to you; any reference to any amendment or supplement to the Basic
Prospectus, any Preliminary Prospectus or the Prospectus shall be deemed to refer to and include any post-effective amendment to the Registration Statement, any prospectus supplement or base prospectus relating to the Securities filed with the
Commission pursuant to Rule 424(b) under the 1933 Act and any documents filed under the Securities Exchange Act of 1934, as amended (the “1934 Act”), and incorporated therein, in each case after the date of the Basic Prospectus,
each Preliminary Prospectus or the Prospectus, as the case may be; any reference to any amendment to the Registration Statement shall be deemed to refer to and include any annual report of the Company filed pursuant to Section 13(a) or 15(d) of
the 1934 Act after the effective date of the Registration Statement that is incorporated by reference in the Registration Statement. 
 (ii) No order preventing or suspending the use of the Registration Statement, the Basic Prospectus, any Preliminary Prospectus, the Prospectus or any Issuer Free Writing Prospectus has been issued by the
Commission, and the Registration Statement, the Basic Prospectus, each Preliminary Prospectus and the Prospectus, at the time of filing thereof and at the time it became effective, as applicable, conformed in all material respects to the
requirements of the 1933 Act and the rules and regulations of the Commission thereunder (the “1933 Act Regulations”) and did not and will not as of the Closing Time and each Date of Delivery (if any) 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 the light of the circumstances under which they were made, not misleading. 

(iii) For the purposes of this Agreement, the “Applicable Time” means 5:30 p.m. (New York City time) on
March 21, 2011; the applicable Issuer General Use Free Writing Prospectus(es) issued at or prior to the Applicable Time and each Preliminary Prospectus issued at or prior to the Applicable Time, as most recently amended or supplemented
immediately prior to the Applicable Time, taken together (collectively, and, with respect to any Securities, together with the information included on Schedule II hereto, all considered together, the “General Disclosure
Package”) as of the Applicable Time, the Closing Time and each Date of Delivery (if any), does not and will not include any untrue statement of a material fact or omit to state any material fact necessary in order to make the statements
therein, in the light of the circumstances under which they were made, not misleading; and each such Issuer Limited Use Free Writing Prospectus, as supplemented by and taken together with the General Disclosure Package as of such Applicable Time,
the Closing Time and each Date of Delivery (if any), will not include any untrue statement of a material fact or omit to state any material fact necessary in order to make the statements therein, in the light of the circumstances under which they
were made, not misleading. 
 As used in this subsection and elsewhere in this Agreement: 

“Issuer Free Writing Prospectus” means any “issuer free writing prospectus,” as defined in Rule
433 of the 1933 Act Regulations (“Rule 433”), relating to the Securities that (i) is required to be filed with the Commission by the Company, (ii) is a “road show that is a written communication” within the
meaning of Rule 433(d)(8)(i), whether or not 

  
 3 

 
required to be filed with the Commission or (iii) is exempt from filing pursuant to Rule 433(d)(5)(i) because it contains a description of the Securities or of the offering that does not
reflect the final terms, in each case in the form filed or required to be filed with the Commission or, if not required to be filed, in the form retained in the Company’s records pursuant to Rule 433(g). 

“Issuer General Use Free Writing Prospectus” means any Issuer Free Writing Prospectus that is intended
for general distribution to prospective investors, as evidenced by its being specified in Schedule III hereto. 
 “Issuer Limited Use Free Writing Prospectus” means any Issuer Free Writing Prospectus that is not an Issuer General Use Free Writing Prospectus. 

(iv) Issuer Free Writing Prospectus. Each Issuer Free Writing Prospectus, as of its issue date and at all
subsequent times through the completion of the public offer and sale of the Securities or until any earlier date that the issuer notified or notifies the Representatives as described in Section 3(e), did not, does not and will not include any
information that conflicted, conflicts or will conflict with the information contained in the Registration Statement, any Preliminary Prospectus, the Prospectus Supplement, the Prospectus, or other prospectus deemed to be a party thereof (including
any document incorporated by reference therein) that has not been superseded or modified. 
 (v) Incorporation
of Documents by Reference. The documents incorporated or deemed to be incorporated by reference in the Registration Statement, the General Disclosure Package and the Prospectus, at the time they were or hereinafter filed with the Commission, as
the case may be, complied in all material respects with the requirements of the 1934 Act and the rules and regulations of the Commission thereunder (the “1934 Act Regulations”). 

(vi) Ineligible Issuer. As of the date of this Agreement (with such date being used as the determination date for
purposes of this clause), the Company is not an ineligible issuer (as defined in Rule 405 under the 1933 Act), without taking account of any determination by the Commission pursuant to Rule 405 under the 1933 Act that it is not necessary that the
Company be considered an ineligible issuer (as defined in Rule 405 under the 1933 Act). 
 (vii) Independent
Accountants. Ernst & Young LLP, who certified the financial statements included or incorporated by reference in the Registration Statement, the General Disclosure Package and the Prospectus, is an independent public accounting firm as
required by the 1933 Act and the 1933 Act Regulations, the 1934 Act and the 1934 Act Regulations, and the Public Company Accounting Oversight Board (United States). 

(viii) Financial Statements. The financial statements included or incorporated by reference in the Registration
Statement, the General Disclosure Package and the Prospectus, together with the related notes, present fairly the financial position of the Company and its consolidated subsidiaries at the dates indicated and the statement of operations,
stockholders’ equity and cash flows of the Company and its consolidated subsidiaries for the periods specified; said financial statements have been prepared in conformity with U.S. generally accepted accounting principles
(“GAAP”) applied on a 

  
 4 

 
consistent basis throughout the periods involved. The selected financial data incorporated by reference in the General Disclosure Package and the Prospectus present fairly the information shown
therein and was compiled on a basis consistent with that of the audited financial statements included or incorporated by reference in the Registration Statement. Any disclosures contained in the Registration Statement, the General Disclosure Package
or the Prospectus, or incorporated by reference therein, regarding “non-GAAP financial measures” (as such term is defined by the rules and regulations of the Commission) comply with Regulation G under the 1934 Act and Item 10 of
Regulation S-K under the 1933 Act, to the extent applicable. 
 (ix) No Material Adverse Change in
Business. Since the respective dates as of which information is given in the General Disclosure Package or the Prospectus (in each case exclusive of any amendments or supplements thereto subsequent to their respective dates), except as otherwise
stated therein, (A) there has been no material adverse change in the condition, financial or otherwise, or in the earnings and business affairs or business prospects of the Company together with its consolidated subsidiaries, all of which are
listed on Schedule IV attached hereto (each, a “Subsidiary,” and collectively, the “Subsidiaries”), considered as one enterprise, whether or not arising in the ordinary course of business (a
“Material Adverse Effect”), (B) there have been no transactions entered into by the Company or any of its Subsidiaries, other than those in the ordinary course of business, which are material with respect to the Company and its
Subsidiaries considered as one enterprise, (C) there has been no obligation, contingent or otherwise, directly or indirectly incurred by the Company or any of its Subsidiaries considered as one enterprise that could reasonably be likely to have
a Material Adverse Effect and (D) except for regular quarterly dividends on the Common Stock in amounts per share that are consistent with past practice, there has been no dividend or distribution of any kind declared, paid or made by the
Company on any class of its capital stock. 
 (x) Good Standing of the Company. The Company has been duly
incorporated and is validly existing as a corporation in good standing under the laws of the State of Delaware and has the corporate power and authority to own, lease and operate its properties and to conduct its business as described in the
Registration Statement, the General Disclosure Package and the Prospectus and to enter into and perform its obligations under this Agreement; and the Company is duly qualified as a foreign corporation to transact business and is in good standing in
each other jurisdiction in which such qualification is required, whether by reason of the ownership or leasing of property or the conduct of business, except where the failure, individually or in the aggregate, so to qualify or to be in good
standing would not result in a Material Adverse Effect. 
 (xi) Good Standing of Subsidiaries. Each
Subsidiary is duly incorporated or organized and is validly existing and in good standing under the laws of the jurisdiction of its incorporation or organization, with requisite power and authority to own, lease and operate its properties and to
conduct its business as described in the Registration Statement, the General Disclosure Package and the Prospectus, and to consummate the transactions contemplated hereby. Each Subsidiary is duly qualified as a foreign corporation, limited liability
company, partnership or trust to transact business and is in good standing in each other jurisdiction in which such qualification is required, whether by reason of the ownership or leasing of property or the conduct of business, except

  
 5 

 
where the failure so to qualify or to be in good standing would not result in a Material Adverse Effect; except as otherwise disclosed in the Registration Statement, the General Disclosure
Package and the Prospectus, all of the issued and outstanding equity interests in each Subsidiary have been duly authorized and validly issued, are fully paid and non-assessable and are owned by the Company, directly or indirectly, free and clear of
any security interests, mortgages, pledges, liens, encumbrances, claims or equitable interests; none of the outstanding equity interests in any Subsidiary was issued in violation of, or subject to, any preemptive right, co-sale right, registration
right, right of first refusal or other similar rights of equity holders or any other person arising by operation of law, under the organizational documents of each Subsidiary, under any agreement to which any Subsidiary is a party or otherwise. The
Company does not own or control, directly or indirectly, any equity interest in any corporation, joint venture, limited liability company, association or other entity other than the Subsidiaries. The Company does not, and did not as of
December 31, 2010, have any “significant subsidiaries” (as defined in Rule 1-02(w) of Regulation S-X). 
 (xii) Capitalization. As of March 18, 2011, (A) 150,000,000 shares of Common Stock were authorized for issuance, of which 96,628,759 shares were issued and outstanding and
(B) 10,000,000 shares of preferred stock, par value $0.01 per share of the Company were authorized for issuance, none of which were issued or outstanding. The issued and outstanding shares of capital stock of the Company have been duly
authorized and validly issued and are fully paid and non-assessable; none of the outstanding shares of capital stock was issued in violation of the preemptive or other similar rights of any securityholder of the Company. Upon completion of the
issuance and sale of the Securities pursuant to this Agreement, the capitalization of the Company will be as set forth in the Prospectus in the column entitled “As Adjusted for this offering and shares sold under a Sales Agreement with Cantor
Fitzgerald & Co. and shares sold under our DSPP” under the caption “Capitalization.” Except as disclosed in the Registration Statement, the General Disclosure Package and the Prospectus, there are no outstanding
(A) securities or obligations of the Company or any of the Subsidiaries convertible into or exchangeable for any equity interests of the Company or any such Subsidiary, (B) warrants, rights or options to subscribe for or purchase from the
Company or any such Subsidiary any such equity interests or any such convertible or exchangeable securities or obligations or (C) obligations of the Company or any such Subsidiary to issue any equity interests, any such convertible or
exchangeable securities or obligation, or any such warrants, rights or options. The Company’s Common Stock has been registered pursuant to Section 12(b) of the 1934 Act and is authorized for trading on the Nasdaq Global Select Market
(“Nasdaq”), and the Company has taken no action designed to, or likely to have the effect of, terminating the registration of the Common Stock from Nasdaq, nor has the Company received any notification that the Commission or Nasdaq
is contemplating terminating such registration or listing. The Company is in compliance with the current listing standards of Nasdaq. 
 (xiii) Authorization of Agreement. This Agreement has been duly authorized, executed and delivered by the Company. This Agreement conforms in all material respects to the description thereof in the
Registration Statement, the General Disclosure Package and the Prospectus. 

  
 6 

 (xiv) Description of Securities. The Securities conform to all
statements relating thereto contained in the Registration Statement, the General Disclosure Package and the Prospectus and such descriptions conform to the rights set forth in the instruments defining the same; no holder of the Securities will be
subject to personal liability by reason of being such a holder. 
 (xv) Absence of Defaults and Conflicts.
The Company is not in violation of its Amended and Restated Certificate of Incorporation (“Charter”) or its Amended and Restated Bylaws (“Bylaws”). No Subsidiary is in violation of its organizational documents
(including, without limitation, partnership and limited liability company agreements). Neither the Company nor any of its Subsidiaries is in default in the performance or observance (nor has any event occurred which with notice, lapse of time or
both would constitute a default in the observance or performance) of any obligation, agreement, covenant or condition contained in any contract, indenture, mortgage, deed of trust, loan or credit agreement, note, lease or other agreement or
instrument to which the Company or any Subsidiary is a party or by which the Company or any Subsidiary may be bound, or to which any of the property or assets of the Company or any Subsidiary is subject (collectively, “Agreements and
Instruments”), except for such defaults that would not result in a Material Adverse Effect; and the execution, delivery and performance by the Company of this Agreement and the consummation of the transactions contemplated herein (including
the issuance and sale of the Securities and the use of the proceeds from the sale of the Securities as described in the Registration Statement, the General Disclosure Package and the Prospectus under the caption “Use of Proceeds”) and
compliance by the Company with its obligations hereunder and thereunder have been duly authorized by all necessary corporate action and do not and will not, whether with or without the giving of notice or passage of time or both, conflict with or
constitute a breach of, or default or Repayment Event (as defined below) under, or result in the creation or imposition of any lien, charge or encumbrance upon any property or assets of the Company or any Subsidiary pursuant to, the Agreements and
Instruments (except for such conflicts, breaches, defaults or Repayment Events or liens, charges or encumbrances that would not result in a Material Adverse Effect), nor will such action result in any violation of the provisions of the Charter or
Bylaws of the Company or the organizational documents of any Subsidiary (including, without limitation, partnership and limited liability company operating agreements), any applicable law, statute, rule, regulation, judgment, order, writ or decree
of any government, government instrumentality or court, domestic or foreign, having jurisdiction over the Company or any Subsidiary or any of their assets, properties or operations. As used herein, a “Repayment Event” means any
event or condition which gives the holder of any note, debenture or other evidence of indebtedness (or any person acting on such holder’s behalf) the right to require the repurchase, redemption or repayment of all or a portion of such
indebtedness by the Company or any Subsidiary. 
 (xvi) Absence of Proceedings. There is no action, suit,
proceeding, inquiry or investigation before or brought by any court or governmental agency or body, domestic or foreign, now pending, or, to the knowledge of the Company (without further inquiry), threatened, against or affecting the Company or any
Subsidiary, which is required to be disclosed in the Registration Statement, the General Disclosure Package or the Prospectus (other than as disclosed therein), or which would reasonably be expected to result in a Material Adverse Effect, or which
would reasonably be expected to materially and 

  
 7 

 
adversely affect the properties or assets thereof or the consummation of the transactions contemplated in this Agreement or the performance by the Company of its obligations hereunder; the
aggregate of all pending legal or governmental proceedings to which the Company or any Subsidiary is a party or of which any of their respective property or assets is the subject which are not described in the Registration Statement, including
ordinary routine litigation incidental to the business, would not, individually or in the aggregate, result in a Material Adverse Effect. 
 (xvii) Accuracy of Exhibits. There are no contracts or documents that are required to be described in the Registration Statement, the General Disclosure Package or the Prospectus or the documents
incorporated by reference therein or to be filed as exhibits thereto which have not been described in all material respects and filed as required by Item 601(b) of Regulation S-K under the 1933 Act. The copies of all contracts, agreements,
instruments and other documents (including governmental licenses, authorizations, permits, consents and approvals and all amendments or waivers relating to any of the foregoing) that have been furnished to the Underwriter or its counsel are complete
and genuine and include all material collateral and supplemental agreements thereto. 
 (xviii) Absence of
Further Requirements. No filing with, or authorization, approval, consent, license, order, registration, qualification or decree of, any court or governmental authority or agency is required in connection with the offering, issuance or sale of
the Securities hereunder or the consummation of the transactions contemplated by this Agreement, except such as have been already obtained or as may be required under the 1933 Act or the 1933 Act Regulations or state securities laws or the rules of
the Financial Industry Regulatory Authority, Inc. (the “FINRA”). 
 (xix) Absence of
Manipulation. Other than permitted activity pursuant to Regulation M under the 1934 Act, neither the Company nor any of its affiliates, as such term is defined in Rule 501(b) under the 1933 Act (each, an “Affiliate”), has taken,
nor will the Company or any of its Affiliates take, directly or indirectly, any action that is designed to, has constituted or would be expected to cause or result in stabilization or manipulation of the price of any security of the Company to
facilitate the sale or resale of the Securities. 
 (xx) Possession of Licenses and Permits. The Company
and its Subsidiaries possess such permits, licenses, approvals, consents and other authorizations issued by the appropriate federal, state, local or foreign regulatory agencies or bodies necessary to conduct the business now operated by them as
described in the Registration Statement, the General Disclosure Package and the Prospectus (collectively, the “Intangibles”), except where the failure so to possess is not reasonably likely to, individually or in the aggregate,
result in a Material Adverse Effect; the Company and its Subsidiaries are in compliance with the terms and conditions of all such Intangibles, except where the failure so to comply would not, individually or in the aggregate, result in a Material
Adverse Effect; all of the Intangibles are valid and in full force and effect, except when the invalidity of such Intangibles or the failure of such Intangibles to be in full force and effect is not reasonably likely to, individually or in the
aggregate, result in a Material Adverse Effect; the Company and its Subsidiaries have not received any notice of proceedings relating to the revocation or modification of any such Intangibles which,

  
 8 

 
individually or in the aggregate, if the subject of an unfavorable decision, ruling or finding, would be reasonably likely to result in a Material Adverse Effect; the Company and its Subsidiaries
have not violated or received written notice of any infringement of or conflict with (and the Company does not know of any such infringement of or conflict with) asserted rights of others with respect to any such Intangibles, except where the
infringement of or conflict with is not reasonably likely to, individually or in the aggregate, result in a Material Adverse Effect. 
 (xxi) Personal Property. Neither the Company nor any Subsidiary owns any real property or holds any real property lease. The Company and its Subsidiaries have good title to all personal property,
if any, owned by them, in each case, free and clear of all liens, security interests, pledges, charges, encumbrances, mortgages and defects, except as are disclosed in the Registration Statement, the General Disclosure Package and the Prospectus or
as could not reasonably be expected, individually or in the aggregate, to have a Material Adverse Effect. 

(xxii) Investment Company Act. The Company is not required to register as an “investment company” under
the Investment Company Act of 1940, as amended (the “1940 Act”). 
 (xxiii) Registration
Rights. Except as disclosed in the Registration Statement, the General Disclosure Package and the Prospectus or which have been waived, there are no persons with registration or other similar rights to have any equity or debt securities,
including securities that are convertible into or exchangeable for equity securities, registered pursuant to the Registration Statement or otherwise registered by the Company under the 1933 Act; no person has a right of participation, first refusal
or similar right with respect to the sale of the Securities by the Company. 
 (xxiv) Accounting Controls and
Disclosure Controls. The Company and each of its Subsidiaries maintain a system of internal accounting controls sufficient to provide reasonable assurances that (A) transactions are executed in accordance with management’s general or
specific authorization; (B) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain accountability for assets; (C) receipts and expenditures are being made only in
accordance with management’s general or specific authorization; (D) access to assets is permitted only in accordance with management’s general or specific authorization; and (E) the recorded accountability for assets is compared
with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences. Except as described in the Registration Statement, the General Disclosure Package and the Prospectus, since the end of the
Company’s most recent audited fiscal year, there has been (A) no material weakness in the Company’s internal control over financial reporting (whether or not remediated) and (B) no change in the Company’s internal control
over financial reporting that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting. The Company and its Subsidiaries, considered as one enterprise, have established and
currently maintain disclosure controls and procedures that comply with Rule 13a-15 under the 1934 Act and the Company has determined that such disclosure controls and procedures are effective in compliance with Rule 13a-15 under the
Exchange Act. 

  
 9 

 (xxv) No Commissions. Neither the Company nor any of its Subsidiaries
is a party to any contract, agreement or understanding with any person (other than as contemplated by this Agreement) that would give rise to a valid claim against the Company or any of its Subsidiaries or the Underwriter for a brokerage commission,
finder’s fee or like payment in connection with the offering and sale of the Securities by the Underwriter under this Agreement. 
 (xxvi) Actively-Traded Security. The Common Stock is an “actively-traded security” exempted from the requirements of Rule 101 of Regulation M under the 1934 Act by
subsection (c)(1) of such rule. 
 (xxvii) Compliance with the Sarbanes-Oxley Act. There is and has
been no failure on the part of the Company or any of the Company’s directors or officers, in their capacities as such, to comply in all material respects with any applicable provision of the Sarbanes-Oxley Act of 2002 and the rules and
regulations promulgated in connection therewith (the “Sarbanes-Oxley Act”), including Section 402 related to loans and Sections 302 and 906 related to certifications. 

(xxviii) Payment of Taxes. All tax returns of the Company and its Subsidiaries required by law to be filed have
been filed and all taxes shown by such returns or otherwise assessed, which are due and payable, have been paid, except assessments against which appeals have been or will be promptly taken and as to which adequate reserves have been provided. The
charges, accruals and reserves on the books of the Company in respect of any income and corporation tax liability for any years not finally determined are adequate to meet any assessments or re-assessments for additional income tax for any years not
finally determined, except to the extent of any inadequacy that would not result in a Material Adverse Effect. 

(xxix) Absence of Transfer Taxes. There are no transfer taxes or other similar fees or charges under federal law or
the laws of any state, or any political subdivision thereof, required to be paid in connection with the execution and delivery of this Agreement or the sale by the Company of the Securities under this Agreement. 

(xxx) Insurance. The Company and its Subsidiaries carry or are entitled to the benefits of insurance, with
financially sound and reputable insurers, in such amounts and covering such risks as is generally maintained by companies of established repute engaged in the same or similar business, and all such insurance is in full force and effect. The Company
has no reason to believe that it or any Subsidiary will not be able (A) to renew its existing insurance coverage as and when such policies expire or (B) to obtain comparable coverage from similar institutions as may be necessary or
appropriate to conduct its business as now conducted and at a cost that would not result in a Material Adverse Effect. Neither the Company nor any Subsidiary has been denied any material insurance coverage which it has sought or for which it has
applied. 
 (xxxi) Statistical and Market-Related Data. The statistical and market-related data included
in the Registration Statement, the General Disclosure Package and the Prospectus are based on or derived from sources that the Company believes to be reliable and accurate as of the respective dates of such documents, and the Company has obtained
the written consent to the use of such data from such sources to the extent required. 

  
 10 

 (xxxii) Foreign Corrupt Practices Act. None of the Company, any
Subsidiary or, to the knowledge of the Company, any director, officer, agent, employee, Affiliate or other person acting on behalf of the Company or any of its Subsidiaries, is aware of or has taken any action, directly or indirectly, that would
result in a violation by such persons of the Foreign Corrupt Practices Act of 1977, as amended, and the rules and regulations thereunder (the “FCPA”), including, without limitation, making use of the mails or any means or
instrumentality of interstate commerce corruptly in furtherance of an offer, payment, promise to pay or authorization of the payment of any money, or other property, gift, promise to give, or authorization of the giving of anything of value to any
“foreign official” (as such term is defined in the FCPA) or any foreign political party or official thereof or any candidate for foreign political office, in contravention of the FCPA. The Company and the Subsidiaries have conducted their
respective businesses in compliance with the FCPA and have instituted and maintain policies and procedures designed to ensure, and which are reasonably expected to continue to ensure, continued compliance therewith. 

(xxxiii) Money Laundering Laws. The operations of the Company and its Subsidiaries are and have been conducted at
all times in compliance with applicable financial recordkeeping and reporting requirements of the Currency and Foreign Transactions Reporting Act of 1970, as amended, the money laundering statutes of all jurisdictions, the rules and regulations
thereunder and any related or similar rules, regulations or guidelines, issued, administered or enforced by any governmental agency (collectively, the “Money Laundering Laws”) and no action, suit or proceeding by or before any court
or governmental agency, authority or body or any arbitrator involving the Company or any of its Subsidiaries with respect to the Money Laundering Laws is pending or, to the best knowledge of the Company, threatened. 

(xxxiv) OFAC. None of the Company, any Subsidiary or, to the knowledge of the Company, any director, officer,
agent, employee, Affiliate or person acting on behalf of the Company or any of its Subsidiaries is currently subject to any U.S. sanctions administered by the Office of Foreign Assets Control of the U.S. Treasury Department
(“OFAC”); and the Company will not directly or indirectly use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other person or entity, for the
purpose of financing the activities of any person currently subject to any U.S. sanctions administered by OFAC. 

(xxxv) Related Party Transactions. No relationship, direct or indirect, exists between or among the Company or any
of its Subsidiaries on the one hand, and the directors, officers, trustees, managers, stockholders, partners, customers or suppliers of the Company or any of the Subsidiaries on the other hand, which would be required by the 1933 Act or by the 1933
Regulations to be described in the Registration Statement, the General Disclosure Package and the Prospectus, which is not so described. 
 (xxxvi) Noncompetition; Nondisclosure. Neither the Company nor any officer of the Company is subject to any noncompete, nondisclosure, confidentiality, employment, consulting or similar arrangement
that would be violated by the present or proposed business activities of the Company as described in the Registration Statement, the General Disclosure Package and the Prospectus. 

  
 11 

 (xxxvii) Pending Proceedings and Examinations. The Registration
Statement is not the subject of a pending proceeding or examination under Section 8(d) or 8(e) of the 1933 Act, and the Company is not the subject of a pending proceeding under Section 8A of the 1933 Act in connection with the offering of
the Securities. 
 (xxxviii) REIT Status. Commencing with its initial taxable year ended December 31,
2008, the Company has been organized and operated in conformity with the requirements for qualification and taxation as a real estate investment trust (“REIT”) under the Internal Revenue Code of 1986, as amended, and the regulations
and published interpretations thereunder (collectively, the “Code”), and the Company’s current and proposed method of operations as described in the Registration Statement, the General Disclosure Package and the Prospectus will
enable it to continue to meet the requirements for qualification and taxation as a REIT under the Code for its taxable year ending December 31, 2011 and thereafter. No transaction or other event has occurred that could cause the Company to not
be able to qualify as a REIT for its taxable year ending December 31, 2011 or future taxable years. Except as otherwise disclosed in the Registration Statement, the General Disclosure Package and the Prospectus, the Company and each of its
Subsidiaries have no intention of changing their operations or engaging in activities that would cause the Company to fail to qualify, or make economically undesirable the Company’s continued qualification, as a REIT under the Code. 

(xxxix) Tax Opinion. With respect to each legal opinion as to Federal income tax matters provided to the
Underwriters pursuant to Section 5(b) hereof, the Company’s representatives have discussed with its counsel, Skadden, Arps, Slate, Meagher & Flom LLP, the officer’s certificate supporting each such opinion, and where
representations in such officer’s certificate involve terms defined in the Code, the Treasury regulations thereunder, published rulings of the Internal Revenue Service or other relevant authority, the Company’s representatives are
satisfied after their discussions with their counsel in their understanding of such terms and are capable of making such representations. 
 (xl) Description of Organization and Method of Operations. The description of the Company’s organization and current and proposed method of operations and its qualification and taxation as a
REIT set forth in the Registration Statement, the General Disclosure Package and the Prospectus is accurate in all material respects and presents fairly the matters referred to therein. The Company’s conflicts of interest, operating policies,
investment guidelines and operating restrictions described or incorporated by reference in the Registration Statement, the General Disclosure Package and the Prospectus accurately reflect in all material respects the guidelines and policies of the
Company with respect to the operation of its business, and no material deviation from such guidelines or policies is currently contemplated. 
 (xli) Director Independence. Each of the independent directors (or independent director nominees, once appointed, if applicable) named in the Registration Statement, the General Disclosure Package
and Prospectus satisfies the independence standards established by Nasdaq and, with respect to members of the Company’s audit committee, the enhanced independence standards contained in Rule 10A-3(b)(1) promulgated by the Commission under the
1934 Act. 

  
 12 

 (xlii) Broker/Dealer Status. The Company is not required to register
as a “broker” or “dealer” in accordance with the provisions of the rules and the 1934 Act Regulations and does not, directly or indirectly through one or more intermediaries, control or have any other association with (within the
meaning of Article I of the By-laws of the FINRA) any member firm of the FINRA. No relationship, direct or indirect, exists between or among the Company, on the one hand, and the directors, officers or stockholders of the Company, on the other
hand, which is required by the rules of the FINRA to be described in the Registration Statement, the General Disclosure Package and the Prospectus, which is not so described. 

(xliii) Dividends/Distributions. Except as disclosed in the Registration Statement, the General Disclosure Package
and the Prospectus, no Subsidiary is currently prohibited, directly or indirectly, from paying any dividends or distributions to the Company to the extent permitted by applicable law, from making any other distribution on such Subsidiary’s
issued and outstanding capital stock or other equity interests, from repaying to the Company any loans or advances to such Subsidiary from the Company or from transferring any of the property or assets of such Subsidiary to the Company. 

(b) Representations and Warranties by the Manager. The Manager represents and warrants to each Underwriter as of the date hereof
as of the Applicable Time, as of the Closing Time, and, as of each such Date of Delivery (if any) and agrees with each Underwriter, as follows: 
 (i) Good Standing of the Manager. The Manager has been duly formed and is validly existing as a limited liability company in good standing under the laws of the State of Delaware and has power and
authority to conduct its business as described in the Registration Statement, the General Disclosure Package and the Prospectus and to enter into and perform its obligations under this Agreement; and the Manager is duly qualified as a foreign
limited liability company to transact business and is in good standing in each other jurisdiction in which such qualification is required, whether by reason of the ownership or leasing of property or the conduct of business, except where the failure
so to qualify or to be in good standing would not result in a Material Adverse Effect. 
 (ii) Authorization
of Agreement. This Agreement has been duly authorized, executed and delivered by the Manager and constitutes a valid and binding agreement of the Manager enforceable in accordance with its terms, except in each case as may be limited by
(A) bankruptcy, insolvency, reorganization, moratorium or other similar laws now or thereafter in effect relating to creditors’ rights generally and (B) general equitable principles and the discretion of the court before which any
proceeding therefor may be brought. 
 (iii) Absence of Defaults and Conflicts. The Manager is not in
violation of its organizational documents or in default in the performance or observance of any obligation, agreement, covenant or condition contained in any contract, indenture, mortgage, deed of trust, loan or credit agreement, note, lease or
other agreement or instrument to which the Manager is a party or by which it may be bound, or to which any of the property or assets of the Manager is subject (collectively, the “Manager Agreements and Instruments”), or in violation
of any law, statute, rule, regulation, judgment, order or decree, except for such violations or except for such defaults that 

  
 13 

 
would not result in a material adverse effect on the condition, financial or otherwise, or in the business affairs, business prospects or regulatory status of the Manager, whether or not arising
in the ordinary course of business, or that would otherwise prevent the Manager from carrying out its obligations under this Agreement (a “Manager Material Adverse Effect”). The execution, delivery and performance of this Agreement
and the consummation of the transactions contemplated herein and in the Registration Statement, the General Disclosure Package and the Prospectus and compliance by the Manager with its obligations under this Agreement do not and will not, whether
with or without the giving of notice or passage of time or both, conflict with or constitute a breach of, or default under, or result in the creation or imposition of any lien, charge or encumbrance upon any property or assets of the Manager
pursuant to the Manager Agreements and Instruments, nor will such action result in any violation of the provisions of the limited liability company operating agreement or other organizational documents of the Manager or any applicable law, statute,
rule, regulation, judgment, order, writ or decree of any government, government instrumentality or court, domestic or foreign, having jurisdiction over the Manager or any of its assets, properties or operations, except as would not result in a
Manager Material Adverse Effect. 
 (iv) Absence of Proceedings. There is no action, suit, proceeding,
inquiry or investigation before or brought by any court or governmental agency or body, domestic or foreign, now pending, or, to the knowledge of the Manager, threatened, against or affecting the Manager, except for such matters that could not,
individually or in the aggregate, result in a Manager Material Adverse Effect. 
 (v) Absence of Further
Requirements. No filing with, or authorization, approval, consent, license, order, registration, qualification or decree of, any court or governmental authority or agency is required in connection with the offering or sale of the Securities
hereunder or the consummation of the transactions contemplated by this Agreement, except such as have been already obtained or as may be required under the 1933 Act or the 1933 Act Regulations or state securities laws or the rules of the FINRA.

 (vi) Financial Resources. The Manager has the financial and other resources available to it necessary
for the performance of its services and obligations as contemplated in the Registration Statement, the General Disclosure Package and the Prospectus and under this Agreement and the Management Agreement between the Company and the Manager, dated
May 20, 2008 (the “Management Agreement”). 
 (vii) Possession of Licenses and
Permits. The Manager possesses such Intangibles issued by the appropriate federal, state, local or foreign regulatory agencies or bodies necessary to conduct its business as described in the Registration Statement, the General Disclosure Package
and the Prospectus, except where the failure so to possess would not, individually or in the aggregate, result in a Manager Material Adverse Effect; the Manager is in compliance with the terms and conditions of all such Intangibles, except where the
failure so to comply would not, individually or in the aggregate, result in a Manager Material Adverse Effect; all of the Intangibles are valid and in full force and effect, except when the invalidity of such Intangibles or the failure of such
Intangibles to be in full force and effect would not have a Manager Material Adverse Effect; and the Manager has not received any notice of proceedings relating to the revocation or modification of any such Intangibles which, individually or in the
aggregate, if the subject of an unfavorable decision, ruling or finding, would result in a Manager Material Adverse Effect. 

  
 14 

 (viii) Employment; Noncompetition; Nondisclosure. Except for any
transfer of employees of ACAS to the Manager or as otherwise disclosed in the Registration Statement, the General Disclosure Package and the Prospectus, the Manager has not been notified that any executive officer of the Company or the Manager plans
to terminate his or her employment with the Manager or ACAS, as applicable. 
 (ix) Investment Advisers
Act. The Manager is not prohibited by the Investment Advisers Act of 1940, as amended (the “Advisers Act”), or the rules and regulations thereunder, from performing its obligations under the Management Agreement as described in
the Registration Statement, the General Disclosure Package and the Prospectus; and the Manager is not registered and is not required to register as an investment adviser under the Advisers Act. 

Section 2. Sale and Delivery to Underwriters; Closing. 

(a) Initial Securities. On the basis of the representations and warranties herein contained and subject to the terms and
conditions herein set forth, the Company agrees to sell to each Underwriter, severally and not jointly, and each Underwriter, severally and not jointly, agrees to purchase from the Company, at a price of $27.72 per share of Common Stock, the number
of Initial Securities set forth in Schedule I opposite the name of such Underwriter, plus any additional number of Initial Securities which such Underwriter may become obligated to purchase pursuant to the provisions of Section 10
hereof, subject, in each case, to such adjustments among the Underwriters as the Representatives in their sole discretion shall make to eliminate any sales or purchases of fractional securities. 

(b) Option Securities. In addition, on the basis of the representations and warranties herein contained and subject to the terms
and conditions herein set forth, the Company hereby grants an option to the Underwriters, severally and not jointly, to purchase up to an additional 4,200,000 shares of Common Stock, at the price per share set forth in paragraph (a) above. The
option hereby granted will expire 30 days after the date hereof and may be exercised in whole or in part at any time on or before the 30th day after the date hereof only for the purpose of covering overallotments, which may be made in
connection with the offering and distribution of the Initial Securities upon notice by the Representatives to the Company setting forth the number of Option Securities as to which the several Underwriters are then exercising the option and the time
and date of payment and delivery for such Option Securities. Any such time and date of delivery (a “Date of Delivery”) shall be determined by the Representatives, but shall not be later than seven full business days after the
exercise of said option. If the option is exercised as to all or any portion of the Option Securities, each of the Underwriters, acting severally and not jointly, will purchase that proportion of the total number of Option Securities then being
purchased which the number of Initial Securities set forth in Schedule I opposite the name of such Underwriter bears to the total number of Initial Securities, subject in each case to such adjustments as the Representatives in their sole
discretion shall make to eliminate any sales or purchases of fractional shares. 
 (c) Payment. The Securities shall be
delivered by the Company to the Representatives, including, at the option of the Representatives, through the facilities of DTC for the account of the Representatives, against payment by the Representatives of the purchase price

  
 15 

 
therefor by wire transfer of immediately available funds to a bank account designated by the Company. The time and date of such delivery and payment shall be 10:00 a.m. (New York City time)
on the third (fourth, if the pricing occurs after 4:30 p.m. (New York City time) on any given day) business day after the date hereof, or such other time not later than ten business days after such date as shall be agreed upon by the Representatives
and the Company (such time and date of payment and delivery being herein called “Closing Time”). 
 In
addition, in the event that any or all of the Option Securities are purchased by the Underwriters, payment of the purchase price for, and delivery of certificates for, such Option Securities shall be made at the above-mentioned offices, or at such
other place as shall be agreed upon by the Representatives and the Company, on each Date of Delivery as specified in the notice from the Representatives to the Company. 
 Section 3. Covenants of the Company and the Manager. The Company and the Manager covenant with each Underwriter as follows: 

(a) Compliance with Securities Regulations and Commission Requests. The Company, subject to Section 3(b) hereof, will comply
with the requirements of Rule 430B and will notify the Representatives promptly, and confirm the notice in writing, (i) when any post-effective amendment to the Registration Statement shall have been declared effective, or any supplement to the
Prospectus or any amended Prospectus shall have been filed, (ii) of the receipt of any comments from the Commission, (iii) of any request by the Commission for any amendment to the Registration Statement or any amendment or supplement to
the Prospectus or for additional information, (iv) of the issuance by the Commission of any stop order suspending the effectiveness of the Registration Statement, or of any order preventing or suspending the use of any Preliminary Prospectus,
or of the suspension of the qualification of the Securities for offering or sale in any jurisdiction, or of the initiation or threatening of any proceedings for any of such purposes or of any examination pursuant to Section 8(e) of the 1933 Act
concerning the Registration Statement and (v) if the Company becomes the subject of a proceeding under Section 8A of the 1933 Act in connection with the offering of the Securities. The Company will effect the filings required under Rule
424(b), in the manner and within the time period required by Rule 424(b) (without reliance on Rule 424(b)(8)). The Company will make every reasonable effort to prevent the issuance of any stop order and, if any stop order is issued, to obtain the
lifting thereof at the earliest possible moment. 
 (b) Filing of Amendments and Exchange Act Documents. The Company will
give the Representatives notice of its intention to file or prepare any amendment to the Registration Statement or any amendment, supplement or revision to any Preliminary Prospectus or to the Prospectus, whether pursuant to the 1933 Act, the 1934
Act or otherwise, and the Company will furnish the Representatives with copies of any such documents a reasonable amount of time prior to such proposed filing or use, as the case may be, and will not file or use any such document to which the
Representatives or counsel for the Underwriters shall reasonably object, except as required by law. The Company has given the Representatives notice of any filings made pursuant to the 1934 Act or 1934 Act Regulations within 48 hours prior to the
execution of this Agreement; the Company will give the Representatives notice of its intention to make any such filing from the execution of this Agreement to the Closing Time and will furnish the Representatives with copies of any such documents a
reasonable amount of time prior to such proposed filing and will not file or use any such document to which the Representatives or counsel for the Representatives shall reasonably object, except as required by law. 

  
 16 

 (c) Delivery of Registration Statements. Upon request, the Company will furnish or
will deliver to the Representatives and counsel for the Underwriters, without charge, conformed copies of the Registration Statement and of each amendment thereto (including exhibits filed therewith or incorporated by reference therein and documents
incorporated or deemed to be incorporated by reference therein or otherwise deemed to be a part thereof) and conformed copies of all consents and certificates of experts, and will also deliver to the Representatives, without charge, a conformed copy
of the Registration Statement and of each amendment thereto (without exhibits) for each of the Underwriters. The copies of the Registration Statement and each amendment thereto furnished to the Underwriters will be identical to the electronically
transmitted copies thereof filed with the Commission pursuant to the Electronic Data Gathering, Analysis and Retrieval system (“EDGAR”), except to the extent permitted by Regulation S-T. 

(d) Delivery of Prospectuses. The Company has delivered to each Underwriter, without charge, as many copies of each Preliminary
Prospectus as such Underwriter reasonably requested, and the Company hereby consents to the use of such copies for purposes permitted by the 1933 Act. The Company will furnish to each Underwriter, without charge, during the period when the
Prospectus is required to be delivered under the 1933 Act, such number of copies of the Prospectus (as amended or supplemented) as such Underwriter may reasonably request. The Prospectus and any amendments or supplements thereto furnished to the
Underwriters will be identical to the electronically transmitted copies thereof filed with the Commission pursuant to EDGAR, except to the extent permitted by Regulation S-T. 

(e) Continued Compliance with Securities Laws. The Company will comply with the 1933 Act and the 1933 Act Regulations and the 1934
Act and the 1934 Act Regulations so as to permit the completion of the distribution of the Securities as contemplated in this Agreement and in the Prospectus. If at any time when a prospectus is required by the 1933 Act to be delivered in connection
with sales of the Securities, any event shall occur or condition shall exist as a result of which it is necessary, in the opinion of counsel for the Underwriters or for the Company, to amend the Registration Statement or amend or supplement the
Prospectus in order that the Prospectus will not include any untrue statements of a material fact or omit to state a material fact necessary in order to make the statements therein not misleading in the light of the circumstances existing at the
time it is delivered to a purchaser, or if it shall be necessary, in the opinion of such counsel, at any such time to amend the Registration Statement or amend or supplement the Prospectus in order to comply with the requirements of the 1933 Act or
the 1933 Act Regulations, the Company will promptly prepare and file with the Commission, subject to Section 3(b), such amendment or supplement as may be necessary to correct such statement or omission or to comply with such requirements, the
Company will use its best efforts to have such amendment declared effective as soon as practicable (if it is not an automatic shelf registration statement with respect to the Securities) and the Company will furnish to the Underwriters such number
of copies of such amendment or supplement as the Underwriters may reasonably request. If at any time following issuance of an Issuer Free Writing Prospectus there occurred or occurs an event or development as a result of which such Issuer Free
Writing Prospectus conflicted or would conflict with the information contained in the Registration Statement, the General Disclosure Package or the Prospectus, or would include an untrue statement of a material fact or omitted or would omit to state
a material fact necessary in order to make the statements therein, in the light of the circumstances prevailing at that subsequent time, not misleading, the Company will promptly notify the Representatives and will promptly amend or supplement, at
its own expense, such Issuer Free Writing Prospectus to eliminate or correct such conflict, untrue statement or omission. 

  
 17 

 (f) Blue Sky Qualifications. The Company will use its best efforts, in cooperation
with the Underwriters, to qualify the Securities for offering and sale under the applicable securities laws of such states and other jurisdictions (domestic or foreign) as the Representatives may designate and to maintain such qualifications in
effect for a period of not less than one year from the date hereof; provided, however, that the Company shall not be obligated to file any general consent to service of process or to qualify as a foreign corporation or as a dealer in securities in
any jurisdiction in which it is not so qualified or to subject itself to taxation in respect of doing business in any jurisdiction in which it is not otherwise so subject. 
 (g) Rule 158. The Company will timely file such reports pursuant to the 1934 Act as are necessary in order to make generally available to its security holders as soon as practicable an earnings
statement for the purposes of, and to provide to the Underwriters the benefits contemplated by, the last paragraph of Section 11(a) of the 1933 Act. 
 (h) Use of Proceeds. The Company will use the net proceeds received by it from the sale of the Securities in the manner specified in the General Disclosure Package and the Prospectus under
“Use of Proceeds.” 
 (i) Listing. The Company will use its best efforts to effect and maintain the quotation
of the Securities on Nasdaq. 
 (j) Restriction on Sale of Securities. During a period of 30 days from the date of
the Prospectus, the Company will not, without the prior written consent of the Representatives, (i) directly or indirectly, offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell,
grant any option, right or warrant to purchase or otherwise transfer or dispose of any shares of Common Stock or any securities convertible into or exercisable or exchangeable for shares of Common Stock or file any registration statement under the
1933 Act with respect to any of the foregoing or (ii) enter into any swap or any other agreement or any transaction that transfers, in whole or in part, directly or indirectly, the economic consequence of ownership of the shares of Common
Stock, whether any such swap or transaction described in clause (i) or (ii) above is to be settled by delivery of shares of Common Stock or such other securities, in cash or otherwise. The foregoing sentence shall not apply to the
(A) Securities to be sold hereunder, (B) any shares of Common Stock sold pursuant to the Company’s Direct Stock Purchase Program and Dividend Reinvestment Program; provided that the Company shall not grant any purchase volume
waivers under such plan during the period of 30 days from the date of the Prospectus, (C) any shares of Common Stock issued or options to purchase Common Stock granted pursuant to existing employee benefit plans of the Company or (D) any
shares of Common Stock issued pursuant to any non-employee director stock plans or dividend reinvestment plans. 
 (k) Issuer
Free Writing Prospectuses. Each of the Company and the Manager represents and agrees that, unless it obtains the prior consent of the Representatives, and each Underwriter represents and agrees that, unless it obtains the prior consent of the
Company, the Manager and the Representatives, it has not made and will not make any offer relating to the Securities that would constitute an “issuer free writing prospectus,” as defined in Rule 433, or that would otherwise constitute a
“free writing prospectus,” as defined in Rule 405, required to be filed with the Commission. Any such free writing prospectus consented to by the Company, the Manager and the Representatives is hereinafter referred to as a
“Permitted Free Writing Prospectus.” Each of the Company and the Manager represents that it has treated or agrees that 

  
 18 

 
it will treat each Permitted Free Writing Prospectus as an “issuer free writing prospectus,” as defined in Rule 433, and has complied and will comply with the requirements of Rule 433
applicable to any Permitted Free Writing Prospectus, including timely filing with the Commission where required, legending and record keeping. 
 (l) Share Price Manipulation. Each of the Company and the Manager agrees that it will not, and will cause its respective officers and directors (and in the case of the Manager, ACAS) and their
respective subsidiaries not to, take, directly or indirectly, any action designed to, or that might be reasonably expected to, cause or result in stabilization or manipulation of the price of the Securities to facilitate the sale or resale of the
Securities, provided that the Company may bid for and purchase its Common Stock in accordance with Rule 10b-18 under the 1934 Act. 
 (m) REIT Qualification. The Company will use its best efforts to continue to meet the requirements for qualification and taxation as a REIT under the Code, subject to any future determination by
the Company’s board of directors that it is no longer in the Company’s best interests to qualify as a REIT. 
 (n)
Investment Company Act. The Company will use its best efforts to conduct its affairs and the affairs of its Subsidiaries in such a manner so as to ensure that neither the Company nor any of its Subsidiaries will be an “investment
company” (as defined in the Investment Company Act of 1940 (the “1940 Act”)) or an entity “controlled” by an investment company that is required to be registered under the 1940 Act. 

(o) Undertakings. The Company will comply with all of the provisions of any undertakings in the Registration Statement.

 (p) Transfer Agent. The Company has engaged and will maintain, at its sole expense, a registrar and transfer agent for
the Securities. 
 (q) Liability Insurance. The Company will obtain or maintain, as appropriate, directors and officers
liability insurance in an amount deemed advisable by the Company in its reasonable discretion. 
 Section 4. Payment of
Expenses. 
 (a) Expenses. The Company will pay or cause to be paid all expenses incident to the performance of its
obligations under this Agreement, including (i) the preparation, printing and filing of the Registration Statement (including financial statements and exhibits) as originally filed and of each amendment thereto, (ii) the preparation,
printing and delivery to the Underwriters of this Agreement, and such other documents as may be required in connection with the offering, purchase, sale, issuance or delivery of the Securities, (iii) the preparation, issuance and delivery of
the certificates for the Securities, if any, to the Underwriters, including any applicable stock or other transfer taxes and any stamp or other duties payable upon the sale, issuance or delivery of the Securities to the Underwriters, (iv) the
fees and disbursements of the Company’s counsel and accountants, (v) the qualification of the Securities under securities laws in accordance with the provisions of Section 3(f) hereof, including filing fees and the reasonable fees and
disbursements of counsel for the Underwriters in connection therewith and in connection with the preparation of any Blue Sky Survey and any supplement thereto, (vi) the printing and delivery to the Underwriters of copies of each Preliminary
Prospectus, any 

  
 19 

 
Permitted Free Writing Prospectus and of the Prospectus and any amendments or supplements thereto and any costs associated with electronic delivery of any of the foregoing by the Underwriters to
investors, (vii) the fees and expenses of any transfer agent or registrar for the Securities, (viii) the reasonable costs and expenses of the Company relating to investor presentations on any “road show” undertaken in connection
with the marketing of the Securities, including, expenses associated with the production of road show slides and graphics, but excluding travel and reasonable lodging expenses of the Underwriters and representatives and officers of the Company
(which shall be paid by the Underwriters), and (ix) any filing fees incident to, and the reasonable fees and disbursements of counsel to the Underwriters in connection with the review by FINRA of the terms of the sale of the Securities (subject
to a maximum of $10,000) and (x) the fees and expenses incurred in connection with the quotation of the Securities on Nasdaq. 
 (b) Termination of Agreement. If this Agreement is terminated by the Representatives in accordance with the provisions of Section 5 or Section 9 hereof, the Company shall reimburse the
Underwriters for all of their out-of-pocket expenses, (including the reasonable fees and disbursements of counsel for the Underwriters) actually incurred in connection with the proposed purchase and the public offering and sale of the Securities.

 Section 5. Conditions of Underwriters’ Obligations. The obligations of the Underwriters hereunder are
subject to the accuracy of the representations and warranties of the Company and the Manager contained in Section 1 hereof or in certificates of any officer of the Company or any subsidiary of the Company or the Manager delivered pursuant to
the provisions hereof, to the performance by the Company of its covenants and other obligations hereunder, and to the following further conditions: 
 (a) Effectiveness of Registration Statement; Filing of Prospectus; Payment of Filing Fee. The Registration Statement became effective and at the Closing Time no stop order suspending the
effectiveness of the Registration Statement shall have been issued under the 1933 Act or proceedings therefore initiated or threatened by the Commission, and any request on the part of the Commission for additional information shall have been
complied with to the reasonable satisfaction of counsel to the Underwriters. A prospectus containing the Rule 430B Information shall have been filed with the Commission in the manner and within the time period required by Rule 424(b) without
reliance on Rule 424(b)(8) (or a post-effective amendment providing such information shall have been filed and have been declared effective in accordance with the requirements of Rule 430B). The Company shall have paid the required Commission filing
fees relating to the Securities within the time period required by the 1933 Act Regulations. 
 (b) Opinion of Counsel for
Company. At Closing Time, the Representatives shall have received the favorable opinions, dated as of Closing Time, of Skadden, Arps, Slate, Meagher & Flom LLP, in form and substance satisfactory to counsel for the Underwriters to the
effect set forth in Exhibit A and Exhibit B hereto and to such further effect as counsel to the Underwriters may reasonably request. 
 (c) Opinion of Counsel for Underwriters. At the Closing Time, the Representatives shall have received the favorable opinion, dated as of the Closing Time, of Hunton & Williams LLP with
respect to the matters the Underwriters reasonably request. Such counsel may also state that, insofar as such opinion involves factual matters, they have relied, to the extent they deem proper, upon certificates of officers of the Company, the
Manager and certificates of public officials. 

  
 20 

 (d) Officers’ Certificates. At Closing Time, there shall not have been, since
the date hereof, since the Applicable Time or since the respective dates as of which information is given in the Prospectus or the General Disclosure Package, any Material Adverse Effect or Manager Material Adverse Effect. The Underwriters shall
have received a certificate of the President or a Vice President of the Company and of the chief financial or chief accounting officer of the Company, dated as of Closing Time, to the effect that (i) there has been no such Material Adverse
Effect, (ii) the representations and warranties in Section 1(a) hereof are true and correct with the same force and effect as though expressly made at and as of Closing Time, (iii) the Company has complied with all agreements and
satisfied all conditions on its part to be performed or satisfied at or prior to Closing Time, and (iv) no stop order suspending the effectiveness of the Registration Statement has been issued and no proceedings for that purpose have been
instituted or are pending or, to their knowledge, contemplated by the Commission. The Representatives shall have also received a certificate of the President of the Manager and of the Treasurer of the Manager, dated as of the Closing Time, to the
effect that (i) there has been no Manager Material Adverse Effect, (ii) the representations and warranties in Section 1(b) hereof are true and correct with the same force and effect as though expressly made at and as of the Closing
Time and (iii) the Manager has complied with all agreements and satisfied all conditions on its part to be performed or satisfied at or prior to the Closing Time. 
 (e) Accountant’s Comfort Letter. At the time of the execution of this Agreement, the Underwriter shall have received from Ernst & Young LLP a letter dated such date, in form and
substance satisfactory to the Representatives, together with signed or reproduced copies of such letters for each of the other Underwriters, containing statements and information of the type ordinarily included in accountants’ “comfort
letters” to underwriters with respect to the financial statements and certain financial information contained in the Registration Statement, the General Disclosure Package and the Prospectus. Such letters shall address the audited financial
statements, any unaudited interim financial statements (including a statement that such unaudited financial statements have been reviewed in accordance with the standards established under Statement on Auditing Standards No. 100) and any pro
forma financial statements and also shall provide customary negative assurances. 
 (f) Bring-down Comfort Letter. At
Closing Time, the Representatives shall have received from Ernst & Young LLP a letter, dated as of Closing Time, to the effect that they reaffirm the statements made in the letter furnished pursuant to subsection (e) of this
Section 5, except that the specified date referred to shall be a date not more than three business days prior to Closing Time. 
 (g) Approval of Listing. At Closing Time, the Securities shall have been approved for quotation on Nasdaq. 
 (h) No Objection. FINRA shall have not raised any objection with respect to the fairness and reasonableness of the underwriting terms and arrangements. 

(i) Lock up Agreements. At the date of this Agreement, the Representatives shall have received an agreement substantially in the
form of Exhibit C hereto signed by the persons and entities listed on Schedule V. 

  
 21 

 (j) Conditions to Purchase of Option Securities. In the event that the Underwriters
exercise their option provided in Section 2(b) hereof to purchase all or any portion of the Option Securities, the representations and warranties of the Company and the Manager contained herein and the statements in any certificates furnished
by the Company and the Manager hereunder shall be true and correct as of each Date of Delivery and, at the relevant Date of Delivery, the Representatives shall have received: 

(i) Officers’ Certificate. A certificate, dated such Date of Delivery, of the President or a Vice President of
the Company and of the Chief Financial Officer or chief accounting officer of the Company confirming that the certificate delivered by the Company at the Closing Time pursuant to Section 5(d) hereof remains true and correct as of such Date of
Delivery. 
 (ii) Officers’ Certificate. A certificate, dated such Date of Delivery, of the President
of the Manager and of the Treasurer of the Manager confirming that the certificate delivered by the Manager at the Closing Time pursuant to Section 5(d) hereof remains true and correct as of such Date of Delivery. 

(iii) Opinion of Counsel for Company. The favorable opinion of Skadden, Arps, Slate, Meagher & Flom LLP,
counsel for the Company and the Manager, each in form and substance satisfactory to counsel for the Underwriters, dated such Date of Delivery, relating to the Option Securities to be purchased on such Date of Delivery and otherwise to the same
effect as the opinions required by Section 5(b) hereof. 
 (iv) Opinion of Counsel for Underwriters.
The favorable opinion of Hunton & Williams LLP, special counsel for the Underwriters, dated such Date of Delivery, relating to the Option Securities to be purchased on such Date of Delivery and otherwise to the same effect as the opinion
required by Section 5(c) hereof. 
 (v) Bring-down Comfort Letter. A letter from Ernst &
Young LLP, in form and substance satisfactory to the Representatives and dated such Date of Delivery, substantially in the same form and substance as the letter furnished to the Representatives pursuant to Section 5(f) hereof, except that the
“specified date” in the letter furnished pursuant to this paragraph shall be a date not more than three days prior to such Date of Delivery. 
 (k) Additional Documents. At the Closing Time and at each Date of Delivery, counsel for the Underwriters shall have been furnished with such documents and opinions as they may reasonably require
for the purpose of enabling it to pass upon the issuance and sale of the Securities as herein contemplated, or in order to evidence the accuracy of any of the representations or warranties, or the fulfillment of any of the conditions, herein
contained; and all proceedings taken by the Company in connection with the issuance and sale of the Securities as herein contemplated shall be reasonably satisfactory in form and substance to the Underwriters and counsel for the Underwriters.

 (l) Termination of Agreement. If any condition specified in this Section 5 shall not have been fulfilled when and
as required to be fulfilled, this Agreement, or, in the case of any condition to the purchase of Option Securities on a Date of Delivery which is after the Closing Time, the obligations of the several Underwriters to purchase the relevant Option
Securities, may be terminated by the Representatives by notice to the Company at any time at or prior to the 

  
 22 

 
Closing Time or such Date of Delivery, as the case may be, and such termination shall be without liability of any party to any other party, except as provided in Section 4(b) and except that
this paragraph and Sections 1, 6, 7 and 8 shall survive any such termination and remain in full force and effect. 

Section 6. Indemnification. 
 (a) Indemnification of Underwriters. The Company agrees to indemnify and hold harmless each Underwriter, its Affiliates, its selling agents and each person, if any, who controls the Underwriter
within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act as follows: 
 (i)
against any and all loss, liability, claim, damage and expense whatsoever, as incurred, arising out of any untrue statement or alleged untrue statement of a material fact contained in the Registration Statement (or any amendment thereto), and
including the Rule 430B Information, or the omission or alleged omission therefrom of a material fact required to be stated therein or necessary to make the statements therein not misleading, or arising out of any untrue statement or alleged untrue
statement of a material fact included in any Preliminary Prospectus and the General Disclosure Package or the Prospectus (or any amendment or supplement thereto), or the omission or alleged omission therefrom of a material fact necessary in order to
make the statements therein, in the light of the circumstances under which they were made, not misleading; 

(ii) against any and all loss, liability, claim, damage and expense whatsoever, as incurred, arising out of any untrue
statement or alleged untrue statement of a material fact contained in any Issuer Limited Use Free Writing Prospectus or the omission or alleged omission therefrom of a material fact necessary in order to make the statements therein, in the light of
the circumstances under which they were made, not misleading; 
 (iii) against any and all loss, liability,
claim, damage and expense whatsoever, as incurred, to the extent of the aggregate amount paid in settlement of any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or of any claim whatsoever
based upon any such untrue statement or omission, or any such alleged untrue statement or omission; provided that (subject to Section 6(e) below) any such settlement is effected with the written consent of the Company; 

(iv) against any and all expense (including the fees and disbursements of counsel chosen by the Representatives),
reasonably incurred in investigating, preparing or defending against any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim whatsoever based upon any such untrue statement or
omission, or any such alleged untrue statement or omission, to the extent that any such expense is not paid under (i) or (ii) above; 

provided, however, that this indemnity shall not apply to any loss, liability, claim, damage or expense to the extent arising out of any
untrue statement or omission or alleged untrue statement or omission made in reliance upon and in conformity with the Underwriter Content. 

  
 23 

 (b) Indemnification of Company, Directors and Officers. Each
Underwriter severally agrees to indemnify and hold harmless the Company, its directors, each of its officers who signed the Registration Statement, and each person, if any, who controls the Company within the meaning of Section 15 of the 1933
Act or Section 20 of the 1934 Act, against any and all loss, liability, claim, damage and expense described in the indemnity contained in subsection (a) of this Section 6, as incurred, but only with respect to untrue statements or
omissions, or alleged untrue statements or omissions, made in the Registration Statement, the General Disclosure Package or the Prospectus in reliance upon and in conformity with the Underwriter Content. The Company hereby acknowledges that the only
information that the Underwriters have furnished to the Company expressly for use in the Registration Statement, the General Disclosure Package or the Prospectus are the statements set forth under the caption “Underwriting” in such
documents as follows: the first sentence of paragraph 4, the first sentence of paragraph 10, and the third and fourth sentences of paragraph 11, each relating to price stabilization activities and paragraph 12 relating to electronic
prospectus delivery (collectively, the “Underwriter Content”). 
 (c) Actions Against Parties;
Notification. Each indemnified party shall give notice as promptly as reasonably practicable to each indemnifying party of any action commenced against it in respect of which indemnity may be sought hereunder, but failure to so notify an
indemnifying party shall not relieve such indemnifying party from any liability hereunder to the extent it is not materially prejudiced as a result thereof and in any event shall not relieve it from any liability which it may have otherwise than on
account of this indemnity agreement. In case any such action is brought against any indemnified party and such indemnified party seeks or intends to seek indemnity from an indemnifying party, the indemnifying party will be entitled to participate
in, and, to the extent that it shall elect, jointly with all other indemnifying parties similarly notified, by written notice delivered to the indemnified party promptly after receiving the aforesaid notice from such indemnified party, to assume the
defense thereof with counsel reasonably satisfactory to such indemnified party; provided, however, if the defendants in any such action include both the indemnified party and the indemnifying party and the indemnified party shall have
reasonably concluded that a conflict may arise between the positions of the indemnifying party and the indemnified party in conducting the defense of any such action or that there may be legal defenses available to it and/or other indemnified
parties that are different from or additional to those available to the indemnifying party, the indemnified party or parties shall have the right to select separate counsel to assume such legal defenses and to otherwise participate in the defense of
such action on behalf of such indemnified party or parties. Upon receipt of notice from the indemnifying party to such indemnified party of such indemnifying party’s election so to assume the defense of such action and approval by the
indemnified party of counsel, the indemnifying party will not be liable to such indemnified party under this Section 6 for any legal or other expenses subsequently incurred by such indemnified party in connection with the defense thereof unless
(i) the indemnified party shall have employed separate counsel in accordance with the proviso to the next preceding sentence (it being understood, however, that the indemnifying party shall not be liable for the expenses of more than one
separate counsel (together with local counsel), approved by the indemnifying party, representing the indemnified parties who are parties to such action), (ii) the indemnifying party shall not have employed counsel satisfactory to the
indemnified party to represent the indemnified party within a reasonable time after notice of commencement of the action, or (iii) the indemnifying party has authorized in writing the employment of counsel for the indemnified party at the
expense of the indemnifying party, in each of which cases the fees and expenses of counsel shall be at the expense of the indemnifying party. 

  
 24 

 (d) Settlement without Consent if Failure to Reimburse. The indemnifying party under
this Section 6 shall not be liable for any settlement of any proceeding effected without its written consent, which consent shall not be unreasonably withheld, but if settled with such consent or if there be a final judgment for the plaintiff,
the indemnifying party agrees to indemnify the indemnified party against any loss, claim, damage, liability or expense by reason of such settlement or judgment. Notwithstanding the foregoing sentence, if at any time an indemnified party shall have
requested an indemnifying party to reimburse the indemnified party for fees and expenses of counsel as contemplated by Section 6(d) hereof, the indemnifying party agrees that it shall be liable for any settlement of any proceeding effected
without its written consent if (i) such settlement is entered into more than 60 days after receipt by such indemnifying party of the aforesaid request and (ii) such indemnifying party shall not have reimbursed the indemnified party in
accordance with such request prior to the date of such settlement. No indemnifying party shall, without the prior written consent of the indemnified party, effect any settlement, compromise or consent to the entry of judgment in any pending or
threatened action, suit or proceeding in respect of which any indemnified party is or could have been a party and indemnity was or could have been sought hereunder by such indemnified party, unless such settlement, compromise or consent includes
(i) an unconditional release of such indemnified party from all liability on claims that are the subject matter of such action, suit or proceeding 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. 
 Section 7. Contribution. If the indemnification provided
for in Section 6 hereof is for any reason unavailable to or insufficient to hold harmless an indemnified party in respect of any losses, liabilities, claims, damages or expenses referred to therein, then each indemnifying party shall contribute
to the aggregate amount of such losses, liabilities, claims, damages and expenses incurred by such indemnified party, as incurred, (i) in such proportion as is appropriate to reflect the relative benefits received by the Company on the one hand
and the Underwriters on the other hand from the offering of the Securities pursuant to this Agreement or (ii) if the allocation provided by clause (i) is not permitted by applicable law, in such proportion as is appropriate to reflect not
only the relative benefits referred to in clause (i) above but also the relative fault of the Company on the one hand and of the Underwriters on the other hand in connection with the statements or omissions which resulted in such losses,
liabilities, claims, damages or expenses, as well as any other relevant equitable considerations. 
 The relative benefits
received by the Company on the one hand and the Underwriters on the other hand in connection with the offering of the Securities pursuant to this Agreement shall be deemed to be in the same respective proportions as the total net proceeds from the
offering of the Securities pursuant to this Agreement (before deducting expenses) received by the Company and the total underwriting discount received by the Underwriters, in each case as set forth on the cover of the Prospectus bear to the
aggregate public offering price of the Securities as set forth on the cover of the Prospectus. 
 The relative fault of the
Company on the one hand and the Underwriters on the other hand shall be determined by reference to, among other things, whether any such untrue or alleged untrue statement of a material fact or omission or alleged omission to state a material fact
relates to information supplied by the Company or by the Underwriters and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. 

  
 25 

 The Company and the Underwriters agree that it would not be just and equitable if
contribution pursuant to this Section 7 were determined by pro rata allocation (even if the Underwriters were treated as one entity for such purpose) or by any other method of allocation which does not take account of the equitable
considerations referred to above in this Section 7. The aggregate amount of losses, liabilities, claims, damages and expenses incurred by an indemnified party and referred to above in this Section 7 shall be deemed to include any legal or
other expenses reasonably incurred by such indemnified party in investigating, preparing or defending against any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim whatsoever
based upon any such untrue or alleged untrue statement or omission or alleged omission. 
 Notwithstanding the provisions of
this Section 7, (i) no Underwriter shall be required to contribute an amount in excess of the underwriting discounts and commissions applicable to the Securities purchased by such Underwriter and (ii) no person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the 1933 Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. 

For purposes of this Section 7, each person, if any, who controls an Underwriter within the meaning of Section 15 of the 1933
Act or Section 20 of the 1934 Act and each Underwriter’s Affiliates and selling agents shall have the same rights to contribution as such Underwriter, and each director of the Company, each officer of the Company who signed the
Registration Statement, and each person, if any, who controls the Company within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act shall have the same rights to contribution as the Company. 

The Underwriters’ respective obligations to contribute pursuant to this Section 7 are several in proportion to the number of
Initial Securities set forth opposite their respective names in Schedule I hereto and not joint. 
 Section 8.
Representations, Warranties and Agreements to Survive. All representations, warranties and agreements contained in this Agreement or in certificates of officers of the Company or the Manager submitted pursuant hereto, shall remain operative
and in full force and effect regardless of (i) any investigation made by or on behalf of any Underwriter or its Affiliates or selling agents, any person controlling any Underwriter, its officers or directors or any person controlling the
Company, the person controlling the Manager and (ii) delivery of and payment for the Securities. 
 Section 9.
Termination of Agreement. 
 (a) Termination; General. The Representatives may terminate this Agreement, by notice
to the Company, at any time at or prior to the Closing Time (i) if there has been, since the time of execution of this Agreement or since the respective dates as of which information is given in the General Disclosure Package or the Prospectus
(exclusive of any supplement thereto), any Material Adverse Effect or Manager Material Adverse Effect, the effect of which is such as to make it, in the judgment of the Representatives, impracticable or inadvisable to market the Securities or to
enforce contracts for the sale of the Securities, or (ii) if there has occurred any material adverse change in the financial markets in the United States or the international financial markets, any outbreak of hostilities or escalation thereof
or other calamity or crisis or any material and adverse change in national or international political, financial or economic conditions, in each case the effect of which is such as to make it, in the judgment of the

  
 26 

 
Underwriter, impracticable or inadvisable to market the Securities or to enforce contracts for the sale of the Securities, or (iii) if trading in any securities of the Company has been
suspended or materially limited by the Commission or Nasdaq, or if trading generally on the New York Stock Exchange or The NASDAQ Stock Market, Inc. has been suspended or materially limited, or minimum or maximum prices for trading have been fixed,
or maximum ranges for prices have been required, by any of said exchanges or by order of the Commission, FINRA or any other governmental authority, or (iv) a material disruption has occurred in commercial banking or securities settlement or
clearance services in the United States such that settlement and clearance of the sale of the Securities is impracticable or impossible, or (v) if a banking moratorium has been declared by either federal or New York State authorities.

 (b) Liabilities and Expenses. If this Agreement is terminated pursuant to this Section 9, (i) such
termination shall be without liability of any party to any other party except as provided in Section 4 hereof, and provided further that this paragraph and Sections 1, 6, 7 and 9(a) shall survive such termination and remain in full force
and effect, and (ii) the Underwriters shall only be entitled to receive out-of-pocket expenses actually incurred. 

Section 10. Default by One or More of the Underwriters. If one or more of the Underwriters shall fail at the Closing Time or
a Date of Delivery to purchase the Securities which it or they are obligated to purchase under this Agreement (the “Defaulted Securities”), the Representatives shall have the right, within 24 hours thereafter, to make
arrangements for one or more of the non-defaulting Underwriters, or any other underwriters, to purchase all, but not less than all, of the Defaulted Securities in such amounts as may be agreed upon and upon the terms herein set forth; if, however,
the Representatives shall not have completed such arrangements within such 24-hour period, then: 
 (i) if the
number of Defaulted Securities does not exceed 10% of the number of Securities to be purchased on such date, each of the non-defaulting Underwriters shall be obligated, severally and not jointly, to purchase the full amount thereof in the
proportions that their respective underwriting obligations hereunder bear to the underwriting obligations of all non-defaulting Underwriters, or 
 (ii) if the number of Defaulted Securities exceeds 10% of the number of Securities to be purchased on such date, this Agreement, or, with respect to any Date of Delivery which occurs after the Closing
Time, the obligation of the Underwriters to purchase and of the Company to sell the Option Securities to be purchased and sold on such Date of Delivery, shall terminate without liability on the part of any non-defaulting Underwriter. 

No action taken pursuant to this Section shall relieve any defaulting Underwriter from liability in respect of its default. 

In the event of any such default which does not result in a termination of this Agreement or, in the case of a Date of Delivery which is
after the Closing Time, which does not result in a termination of the obligation of the Underwriters to purchase and the Company to sell the relevant Option Securities, as the case may be, either (i) the Representatives or (ii) the Company
shall have the right to postpone the Closing Time or the relevant Date of Delivery, as the case may be, for a period not exceeding seven days in order to effect any required changes in the Registration Statement or Prospectus or in any other
documents or arrangements. As used herein, the term “Underwriter” includes any person substituted for an Underwriter under this Section 10. 

  
 27 

 Section 11. Tax Disclosure. Notwithstanding any other provision of this
Agreement, from the commencement of discussions with respect to the transactions contemplated hereby, the Company (and each employee, representative or other agent of the Company) may disclose to any and all persons, without limitation of any kind,
the tax treatment and tax structure (as such terms are used in Sections 6011, 6111 and 6112 of the U.S. Code and the Treasury Regulations promulgated thereunder) of the transactions contemplated by this Agreement and all materials of any kind
(including opinions or other tax analyses) that are provided to the Company relating to such tax treatment and tax structure. 

Section 12. Notices. All notices and other communications hereunder shall be in writing and shall be deemed to have been duly
given if mailed or transmitted by any standard form of telecommunication. Notices to the Underwriters shall be directed to Citigroup Global Markets Inc., 388 Greenwich Street, New York, New York, 10013, Attention: Equity Capital Markets Syndicate,
with a copy to (which shall not constitute notice) Hunton & Williams LLP, Riverfront Plaza, East Tower, 951 East Byrd Street, Richmond, Virginia 23219, Attention of Edward W. Elmore, Jr., Esq.; notices to the Company and the Manager shall
be directed to each of them at 2 Bethesda Metro Center, 14th Floor, Bethesda, Maryland 20814, attention of Secretary, each with a copy to (which shall not constitute notice) Skadden, Arps, Slate, Meagher & Flom LLP, Four Times Square, New
York, New York 10036, Attention of David J. Goldschmidt, Esq. 
 Section 13. No Advisory or Fiduciary Relationship.
The Company acknowledges and agrees that (i) the purchase and sale of the Securities pursuant to this Agreement, including the determination of the public offering price of the Securities and any related discounts and commissions, is an
arm’s-length commercial transaction between the Company and the Manager, on the one hand, and the several Underwriters, on the other hand, (ii) in connection with the offering contemplated hereby and the process leading to such transaction
each Underwriter is and has been acting solely as a principal and is not the agent or fiduciary of the Company, the Manager, or their respective stockholders, creditors, employees or any other party, (iii) each Underwriter has not assumed and
will not assume an advisory or fiduciary responsibility in favor of the Company or the Manager with respect to the offering contemplated hereby or the process leading thereto (irrespective of whether the Underwriter has advised or is currently
advising the Company or the Manager on other matters) and each Underwriter has no obligation to the Company or the Manager with respect to the offering contemplated hereby except the obligations expressly set forth in this Agreement, (iv) the
Underwriters and their respective Affiliates may be engaged in a broad range of transactions that involve interests that differ from those of each of the Company and the Manager, and (v) the Underwriters and their respective agents have not
provided any legal, accounting, regulatory or tax advice with respect to the offering contemplated hereby and the Company and the Manager have consulted their own respective legal, accounting, regulatory and tax advisors to the extent each deemed
appropriate. 
 Section 14. Integration. This Agreement supersedes all prior agreements and understandings (whether
written or oral) between the Company, the Manager and the Underwriters, or any of them, with respect to the subject matter hereof. 

  
 28 

 Section 15. Parties. This Agreement shall each inure to the benefit of and be
binding upon the Underwriters, the Company, the Manager and their respective successors. Nothing expressed or mentioned in this Agreement is intended or shall be construed to give any person, firm or corporation, other than the Underwriters, the
Company, the Manager and their respective successors and the controlling persons and officers and directors referred to in Sections 6 and 7 and their heirs and legal representatives, any legal or equitable right, remedy or claim under or in
respect of this Agreement or any provision herein contained. This Agreement and all conditions and provisions hereof are intended to be for the sole and exclusive benefit of the Underwriters, the Company, the Manager and their respective successors,
and said controlling persons and officers and directors and their heirs and legal representatives, and for the benefit of no other person, firm or corporation. No purchaser of Securities from any Underwriter shall be deemed to be a successor by
reason merely of such purchase. 
 Section 16. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 
 Section 17. TIME. TIME SHALL BE OF THE ESSENCE OF THIS
AGREEMENT. EXCEPT AS OTHERWISE SET FORTH HEREIN, SPECIFIED TIMES OF DAY REFER TO NEW YORK CITY TIME. 
 Section 18.
Counterparts. This Agreement may be executed in any number of counterparts, each of which shall be deemed to be an original, but all such counterparts shall together constitute one and the same Agreement. 

Section 19. Effect of Headings. The Section headings herein are for convenience only and shall not affect the construction
hereof. 
 [Signature Page Follows.] 

  
 29 

 If the foregoing is in accordance with your understanding of our agreement, please sign and
return to the Company and the Manager a counterpart hereof, whereupon this instrument, along with all counterparts, will become a binding agreement among the Underwriters, the Company and the Manager in accordance with its terms. 

 

			
	 Very truly yours,

	
	AMERICAN CAPITAL AGENCY CORP.
		
	 By:
	 	  

		 	 Name:

		 	 Title:

	
	AMERICAN CAPITAL AGENCY MANAGEMENT, LLC
		
	 By:
	 	  

		 	 Name:

		 	 Title:

  
 30 

 CONFIRMED AND ACCEPTED, 
 as of the date first above written: 
 For themselves and as Representatives of the several
Underwriters named in Schedule I hereto. 
  

			
	MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
		
	 By:
	 	  

		 	 Name:

		 	 Title:

	
	CITIGROUP GLOBAL MARKETS INC.
		
	 By:
	 	  

		 	 Name:

		 	 Title:

	
	CREDIT SUISSE SECURITIES (USA) LLC
		
	By:	 	  

		 	 Name:

		 	 Title:

	
	DEUTSCHE BANK SECURITIES INC.
		
	 By:
	 	  

		 	 Name:

		 	 Title:

		
	 By:
	 	  

		 	 Name:

		 	 Title:

  
 31 

 SCHEDULE I 

 

					
	 Name of Underwriter
	  	Number of 
Initial
Securities	 
		
	 Merrill Lynch, Pierce, Fenner & Smith Incorporated
	  	 	6,720,000	  
		
	 Citigroup Global Markets Inc.
	  	 	6,720,000	  
		
	 Credit Suisse Securities (USA) LLC
	  	 	6,720,000	  
		
	 Deutsche Bank Securities Inc.
	  	 	6,720,000	  
		
	 JMP Securities LLC
	  	 	840,000	  
		
	 Sterne, Agee & Leach, Inc.
	  	 	280,000	  
		  	 	 	 
		
	 Total
	  	 	28,000,000	  
		  	 	 	 

 SCHEDULE II 
 Information Conveyed at the Applicable Time 
 Price to Public: Variable 

Number of Shares Offered: 28,000,000 

 SCHEDULE III 
 Issuer General Use Free Writing Prospectus 
 None 

 SCHEDULE IV 
 List of Subsidiaries 
 American Capital Agency TRS, LLC, a Delaware limited liability company

 SCHEDULE V 
 List of Persons and Entities Subject to Lock Up Agreements 
 American Capital Agency Management,
LLC 
 Malon Wilkus 
 John R. Erickson

 Samuel A. Flax 
 Alvin N. Puryear

 Morris A. Davis 
 Gary Kain

 Randy E. Dobbs 
 Larry K. Harvey

 Exhibit A 
 [SUBJECT TO OPINION COMMITTEE REVIEW] 
 March [25],
2011 
 Merrill Lynch, Pierce, Fenner & Smith 
 Incorporated 
 Citigroup Global Markets Inc. 

Credit Suisse Securities (USA) LLC 
 Deutsche
Bank Securities Inc. 
 c/o Citigroup Global Markets Inc. 
 388 Greenwich Street 
 New York, NY 10013 

 

	 	Re:	American Capital Agency Corp. – Offering of Common Stock 

 Ladies and Gentlemen: 
 This opinion is being furnished to you pursuant to
Section 5(b) of the Underwriting Agreement, dated March [22], 2011 (the “Underwriting Agreement”), by and among you (the “Underwriters”), American Capital Agency Corp., a Delaware corporation (the
“Company”), and American Capital Agency Management, LLC, a Delaware limited liability company (the “Manager,” and collectively with the Company, the “Opinion Parties,” and each, an “Opinion Party”), relating
to the sale by the Company to the Underwriters of [—] shares (the “Firm Shares”) of the Company’s common stock, par value $0.01 per share (the “Common
Stock”), and up to an additional [—] shares of Common Stock (the “Option Shares”) at the Underwriters’ option to cover over-allotments. The Firm Shares and
the Option Shares are collectively referred to herein as the “Securities.” 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 2 
  

 In rendering the opinions stated herein, we have examined and relied upon the following:

 (a) the registration statement on Form S-3 (File No. 333-170374) of the Company relating to the Securities and
other securities of the Company filed with the Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933 (the “Securities Act”) allowing for delayed offerings pursuant to Rule 415 of the General Rules
and Regulations under the Securities Act (the “Rules and Regulations”), including information deemed to be a part of the registration statement pursuant to Rule 430B of the Rules and Regulations (such registration statement, at the time it
became effective, being hereinafter referred to as the “Registration Statement”); 
 (b) the prospectus, dated
November 4, 2010 (the “Base Prospectus”), which forms a part of and is included in the Registration Statement; 

(c) the preliminary prospectus supplement, dated March [21], 2011 (the “Preliminary Prospectus Supplement” and, together
with the Base Prospectus and the Incorporated Documents, the “Preliminary Prospectus”), relating to the offering of the Securities in the form filed by the Company with the Commission pursuant to Rule 424(b) of the Rules and Regulations;

 (e) the final prospectus supplement, dated March [22], 2011 (the “Prospectus Supplement” and, together with
the Base Prospectus and the Incorporated Documents, the “Prospectus”), relating to the offering of the Securities in the form filed by the Company with the Commission pursuant to Rule 424(b) of the Rules and Regulations; 

(f) the documents described on Schedule A hereto filed by the Company with the Commission pursuant to the Securities Exchange
Act of 1934 and incorporated by reference into the Preliminary Prospectus or the Prospectus, as the case may be, as of the date of the Preliminary Prospectus Supplement or Prospectus Supplement, respectively (the “Incorporated Documents”);

 (g) an executed copy of the Underwriting Agreement; 
 (h) a copy of the Amended and Restated Certificate of Incorporation of the Company, certified by the Secretary of State of the State of Delaware as of November 8, 2010, and certified pursuant to the
Company’s Secretary’s Certificate (as defined below); 
 (i) a copy of the Amended and Restated Bylaws of the Company,
as amended and in effect as of the date hereof, certified pursuant to the Company’s Secretary’s Certificate; 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 3 
  

 (j) a copy of the resolutions of the Board of Directors of the Company with respect to
the Underwriting Agreement and the authorization of the issuance and sale of the Securities, adopted on October 20, 2009 and October 25, 2010, and a copy of the resolutions of the Pricing Committee of the Board of Directors with respect to
the issuance and sale of the Securities, adopted on March [21], 2011, certified pursuant to the Company’s Secretary’s Certificate; 
 (k) a copy of the Certificate of Formation of the Manager, certified by the Secretary of State of the State of Delaware as of November 8, 2010, and certified pursuant to the Manager’s
Secretary’s Certificate (as defined below); 
 (l) a copy of the Amended and Restated Limited Liability Company Operating
Agreement of the Manager, dated January 3, 2011, entered into by American Capital, LLC and Gary Kain, the members of the Manager, certified pursuant to the Manager’s Secretary’s Certificate (the “Manager Operating
Agreement”); 
 (m) a copy of the written consent of the board of managers of the Manager with respect to the Underwriting
Agreement, adopted on March [21], 2011, certified pursuant to the Manager’s Secretary’s Certificate; 
 (n) an
executed copy of the certificate of Samuel A. Flax, the Secretary and Executive Vice President of the Company and the Secretary and Vice President of the Manager, dated the date hereof (the “Officer’s
Certificate”); 
 (o) an executed copy of the certificate of Samuel A. Flax, the Secretary of the Company, dated the date
hereof (the “Company’s Secretary’s Certificate”); 
 (p) an executed copy of the certificate of Samuel A.
Flax, the Secretary of the Manager, dated the date hereof (the “Manager’s Secretary’s Certificate”); 
 (q)
executed copies of officers’ certificates of the Company and the Manager, each dated the date hereof, delivered pursuant to the Underwriting Agreement; 
 (r) executed copies of incumbency certificates of officers of the Company and the Manager, each dated the date hereof; 
 (s) an executed copy of the certificate of Gary Kain, the Senior Vice President and Chief Investment Officer of the Company, dated the date hereof, relating to certain matters under the Investment Company
Act of 1940, as amended (such Act, the “1940 Act” and such certificate, the “1940 Act Certificate”); 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 4 
  

 (t) an executed copy of the certificate of Samuel A. Flax, the Secretary and Vice
President of the Manager, dated the date hereof, relating to certain matters under the Investment Advisers Act of 1940, as amended (such Act, the “Advisers Act” and such certificate, the “Advisers Act Certificate”); 

(u) an executed copy of the Management Agreement between the Company and the Manager, dated May 20, 2008 (the “Company
Scheduled Contract”); 
 (v) an executed copy of the Administrative Services Agreement between the Manager and American
Capital, Ltd., dated May 20, 2008 (together with the Company Scheduled Contract, the “Manager Scheduled Contracts”); 
 (w) a certificate, dated March [21], 2011, and a bringdown verification thereof, dated the date hereof, from the Secretary of State of the State of Delaware, with respect to the Company’s
existence and good standing in the State of Delaware (collectively, the “Company Delaware Certificates”); and 
 (x) a
certificate, dated March [21], 2011, and a bringdown verification thereof, dated the date hereof, from the Secretary of State of the State of Delaware, with respect to the Manager’s existence and good standing in the State of Delaware
(collectively, the “Manager Delaware Certificates”, and collectively with the Company Delaware Certificates, the “Delaware Certificates”). 
 We have also examined originals or copies, certified or otherwise identified to our satisfaction, of such records of the Opinion Parties and such agreements, certificates and receipts of public officials,
certificates of officers or other representatives of the Opinion Parties and others, and such other documents as we have deemed necessary or appropriate as a basis for the opinions set forth below. 

In our examination, we have assumed the genuineness of all signatures, including endorsements, the legal capacity and competency of all
natural persons, the authenticity of all documents submitted to us as originals, the conformity to original documents of all documents submitted to us as facsimile, electronic, certified or photostatic copies, and the authenticity of the originals
of such copies. In making our examination of executed documents, we have assumed that the parties thereto, other than the Opinion Parties, had the power, corporate or other, to enter into and perform all obligations thereunder and have also assumed
the due authorization by all requisite action, corporate or other, and the execution and delivery by such parties of such documents and the validity and binding effect thereof on such parties. As to any facts material to the opinions expressed
herein that we did not independently establish or verify, we have relied upon statements and representations of officers and other representatives of the Opinion Parties and others and of public officials, including the facts set forth in the
Officer’s Certificate. 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 5 
  

 We do not express any opinion with respect to the laws of any jurisdiction other than
other than (i) the laws of the State of New York, (ii) the General Corporation Law of the State of Delaware (the “DGCL”), (iii) the Delaware Limited Liability Company Act (the “DLLCA”) and (iv) the federal
laws of the United States of America to the extent referred to specifically herein. Insofar as the opinions expressed herein relate to matters governed by laws other than those set forth in the preceding sentence, we have assumed, without having
made any independent investigation, that such laws do not affect any of the opinions set forth herein. The opinions expressed herein are based on laws in effect on the date hereof, which laws are subject to change with possible retroactive effect.

 As used herein: “Organizational Documents” means those documents listed in paragraphs (h), (i), (k) and
(l) above. “Scheduled Contracts” means the Company Scheduled Contract and the Manager Scheduled Contracts. “Scheduled Orders” means those orders or decrees described on Schedule B and Schedule C
hereto. “General Disclosure Package” means the Preliminary Prospectus, as amended and supplemented by the information set forth on Schedule II to the Underwriting Agreement. 

Based upon the foregoing and subject to the limitations, qualifications, exceptions and assumptions stated herein, we are of the opinion
that: 
 1. Based solely on our review of the Delaware Certificates, each Opinion Party is duly incorporated or duly formed, as
applicable, and is validly existing and in good standing under the DGCL or the DLLCA, as applicable. 
 2. Each Opinion Party
has the corporate or limited liability company, as applicable, power and authority to execute and deliver the Underwriting Agreement and to consummate the transactions contemplated thereby under the DGCL or the DLLCA, as applicable. 

3. The Underwriting Agreement has been duly authorized, executed and delivered by all requisite corporate or limited liability company,
as applicable, action on the part of each Opinion Party under the DGCL or the DLLCA, as applicable. 
 4. Neither the execution
and delivery by either Opinion Party of the Underwriting Agreement nor the consummation by such Opinion Party of the transactions contemplated thereby, including the issuance and sale of the Securities: (i) conflicts with the Organizational
Documents of such Opinion Party, (ii) constitutes a violation of, or a default under, any Scheduled Contract to which such Opinion Party is a party or (iii) contravenes any Scheduled Order to which such Opinion Party is subject.

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 6 
  

 5. Neither the execution and delivery by either Opinion Party of the Underwriting
Agreement nor the consummation by such Opinion Party of the transactions contemplated thereby, including the issuance and sale of the Securities: (i) violates any law, rule or regulation of the State of New York, the State of Delaware or the
United States of America or (ii) requires the consent, approval, licensing or authorization of, or any filing, recording or registration with, any governmental authority under any law, rule or regulation of the State of New York, the State of
Delaware or the United States of America except for those consents, approvals, licenses and authorizations already obtained and those filings, recordings and registrations already made. 

6. To our knowledge, there are no legal or governmental proceedings pending to which the Company is a party or to which any property of
the Company is subject that are required to be disclosed in the Prospectus and the General Disclosure Package pursuant to Item 103 of Regulation S-K of the Rules and Regulations that are not so disclosed. 

7. The Securities have been duly authorized by all requisite corporate action on the part of the Company under the DGCL and, when
delivered to and paid for by the Underwriters in accordance with the terms of the Underwriting Agreement and registered in book-entry form, will be validly issued, fully paid and non-assessable, and free and clear of any preemptive rights or any
similar rights arising under the DGCL, the Organizational Documents of the Company and the Company Scheduled Contract. 
 8. The
statements in the Prospectus and the General Disclosure Package under the caption “Description of Securities,” insofar as such statements purport to summarize certain provisions of the terms of the Common Stock and the DGCL, fairly
summarize such provisions of the terms of such securities and the DGCL, respectively, in all material respects. 
 9. The
statements in the Prospectus and the General Disclosure Package under the caption “Underwriting,” insofar as such statements purport to summarize certain provisions of the Underwriting Agreement, fairly summarize such provisions in all
material respects. 
 10. The Company is not and, solely after giving effect to the offering and sale of the Securities and the
application of the proceeds thereof as described in the Prospectus and the General Disclosure Package, will not be subject to registration and regulation as an “investment company” as such term is defined in the 1940 Act. 

11. The Manager is not subject to registration and regulation as an “investment adviser” as such term is defined in the
Advisers Act. 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 7 
  

 12. The Company has authority to issue 150,000,000 shares of Common Stock and 10,000,000
shares of preferred stock, par value $0.01 per share, and such authorized capital stock of the Company conforms as to legal matters to the description thereof contained in the Prospectus and the General Disclosure Package. 

The opinions stated herein are subject to the following qualifications, assumptions and limitations: 

(a) except to the extent expressly stated in paragraphs 10 and 11 above, we do not express any opinion with respect to any securities,
antifraud, derivatives or commodities laws, rules or regulations; 
 (b) we do not express any opinion with respect to the
effect on the opinions stated herein of (i) except to the extent expressly stated in paragraph 3 above, the compliance or non-compliance of any party to the Underwriting Agreement with any laws, rules or regulations applicable to such party, or
(ii) except to the extent expressly stated in paragraphs 1 and 2 above, the legal status or legal capacity of any such party to any of the Underwriting Agreement; 
 (c) we do not express any opinion with respect to whether the execution, delivery or performance by any Opinion Party of its obligations under the Underwriting Agreement will constitute a violation of, or
a default under, any covenant, restriction or provision with respect to financial ratios or tests or any aspect of the financial condition or results of operations of any Opinion Party or any of its subsidiaries; 

(d) the opinion stated in paragraph 6 above is based solely on our discussions with the officers or other representatives of the Company
responsible for the matters discussed therein, our review of documents furnished to us by the Company and our reliance on the representations and warranties of the Company contained in the Underwriting Agreement and the Officer’s Certificate;
we have not made any other inquiries or investigations or any search of the public docket records of any court, governmental agency or body or administrative agency; in addition, we call to your attention that we have not been engaged by, nor have
we rendered any advice to, the Company in connection with any legal or governmental proceedings; accordingly, we do not have any special knowledge with respect to such matters; 

(e) the opinion stated in paragraph 10 above is based solely on our discussions with the officers of the Company responsible for the
matters discussed therein and our reliance on the representations and warranties of the Company contained in the Underwriting Agreement and the 1940 Act Certificate; 
 (f) the opinion stated in paragraph 11 above is based solely on our discussions with the officers of the Manager responsible for the matters discussed therein and our reliance on the representations and
warranties of the Manager contained in the Underwriting Agreement and the Advisers Act Certificate; and 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 8 
  

 (g) we have assumed that the Manager Operating Agreement is the only agreement of the
members of the Manager as to the affairs of the Manager and the conduct of its business, and we do not express any opinion with respect to the effect of any agreement of the members of the Manager other than the Manager Operating Agreement as to the
affairs of the Manager and the conduct of its business. 
 This opinion is furnished only to you and is solely for your benefit
in connection with the closing occurring today and the offering of the Securities pursuant to the Underwriting Agreement. Without our prior written consent, this opinion may not be used, circulated, quoted or otherwise referred to for any other
purpose or relied upon by, or assigned to, any other person for any purpose, including any other person that acquires any Securities or that seeks to assert your rights in respect of this opinion (other than any of your successors in interest by
means of merger, consolidation, transfer of a business or other similar transaction). 
 Very truly yours,

 Schedule A 
 Incorporated Documents 
 Annual Report on Form 10-K for the year ended
December 31, 2010 filed on February 25, 2011 
 The information specifically incorporated by reference into the Company’s Annual
Report on Form 10-K for the year ended December 31, 2009 from its Definitive Proxy Statement on Schedule 14A filed on April 2, 2010 
 Current Report on Form 8-K filed on January 20, 2011 
 The description of the Common
Stock set forth in the registration statement on Form 8-A filed on May 9, 2008 

 Schedule B 
 Company Scheduled Orders 
 None 

 Schedule C 
 Manager Scheduled Orders 
 None 

 [SUBJECT TO OPINION COMMITTEE REVIEW] 

March [25], 2011 
 Merrill Lynch, Pierce, Fenner & Smith 
 Incorporated 

Citigroup Global Markets Inc. 
 Credit Suisse
Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 c/o Citigroup Global Markets Inc. 
 388 Greenwich Street 

New York, NY 10013 
  

	 	Re:	American Capital Agency Corp. – Offering of Common Stock 

 Ladies and Gentlemen: 
 This letter is being furnished to you pursuant to
Section 5(b) of the Underwriting Agreement, dated March [22], 2011 (the “Underwriting Agreement”), by and among you (the “Underwriters”), American Capital Agency Corp., a Delaware corporation (the
“Company”), and American Capital Agency Management, LLC, a Delaware limited liability company (the “Manager”), relating to the sale by the Company to the Underwriters of
[—] shares (the “Firm Shares”) of the Company’s common stock, par value $0.01 per share (the “Common Stock”), and up to an additional [—] shares of Common Stock (the “Option Shares”) at the Underwriters’ option to cover over-allotments. The Firm Shares and the Option Shares are collectively referred to herein
as the “Securities.” 
 In the above capacity, we have reviewed the registration statement on Form S-3 (File
No. 333-170374) of the Company relating to the Securities and other securities of the Company filed on November 4, 2010 with the Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933 (the
“Securities Act”) allowing for delayed offerings pursuant to Rule 415 of the General Rules and Regulations under the Securities Act (the “Rules and Regulations”), including the Incorporated Documents (as defined below) and the

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 2 
  

 
information deemed to be a part of the registration statement pursuant to Rule 430B of the Rules and Regulations (such registration statement being hereinafter referred to as the
“Registration Statement”) and (i) the prospectus, dated November 4, 2010 (the “Base Prospectus”), which forms a part of and is included in the Registration Statement, (ii) the preliminary prospectus supplement,
dated March [21], 2011 (the “Preliminary Prospectus Supplement” and, together with the Base Prospectus and the Incorporated Documents, the “Preliminary Prospectus”), relating to the offering of the Securities in the form
filed by the Company with the Commission pursuant to Rule 424(b) of the Rules and Regulations, and (iii) the final prospectus supplement, dated March [22], 2011 (the “Prospectus Supplement” and, together with the Base
Prospectus and the Incorporated Documents, the “Prospectus”), relating to the offering of the Securities in the form filed with the Commission pursuant to Rule 424(b) of the Rules and Regulations. We also have reviewed the documents
identified on Schedule A hereto filed by the Company with the Commission pursuant to the Securities Exchange Act of 1934 and incorporated by reference into the Preliminary Prospectus or the Prospectus, as the case may be, as of the date
of the Preliminary Prospectus Supplement or Prospectus Supplement, respectively (collectively, the “Incorporated Documents”) and such other documents as we deemed appropriate. We have been orally advised by the Commission that no stop
order suspending the effectiveness of the Registration Statement has been issued, and, to our knowledge, no proceedings for that purpose have been instituted or are pending or threatened by the Commission. 

In addition, we have participated in conferences with officers and other representatives of the Company and the Manager, representatives
of the independent registered public accountants of the Company and you and your counsel, at which the contents of the Registration Statement, the Prospectus, the General Disclosure Package (as defined below) and related matters were discussed. We
did not participate in the preparation of the Incorporated Documents but have, however, reviewed such documents and discussed the business and affairs of the Company with officers and other representatives of the Company. We do not pass upon, or
assume any responsibility for, the accuracy, completeness or fairness of the statements contained or incorporated by reference in the Registration Statement, the Prospectus or the General Disclosure Package and have made no independent check or
verification thereof (except to the limited extent referred to in paragraphs 8 and 9 of our corporate opinion to you dated the date hereof and in paragraph 2 of our tax opinion to you dated the date hereof). 

On the basis of the foregoing, (i) the Registration Statement, at the Effective Time (as defined below), and the Prospectus, as of
the date of the Prospectus Supplement, appeared on their face to be appropriately responsive in all material respects to the requirements of the Securities Act and the Rules and Regulations (except that in each case we do not express any view as to
the financial statements, schedules and other financial information included or 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 3 
  

 
incorporated by reference therein or excluded therefrom) and (ii) no facts have come to our attention that have caused us to believe that the Registration Statement, at the Effective Time,
contained an untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading, or that the Prospectus, as of the date of the Prospectus Supplement and as
of the date hereof, contained or contains an untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not
misleading (except that in each case we do not express any view as to the financial statements, schedules and other financial information included or incorporated by reference therein or excluded therefrom, the report of management’s assessment
of the effectiveness of internal controls over financial reporting or the auditors’ attestation report thereon or the statements contained in the exhibits to the Registration Statement). In addition, on the basis of the foregoing, no facts have
come to our attention that have caused us to believe that the General Disclosure Package, as of the Applicable Time (as defined below), contained an untrue statement of a material fact or omitted to state a material fact necessary in order to make
the statements therein, in the light of the circumstances under which they were made, not misleading (except that we do not express any view as to the financial statements, schedules and other financial information included or incorporated by
reference therein or excluded therefrom, the report of management’s assessment of the effectiveness of internal controls over financial reporting or the auditors’ attestation report thereon or the statements contained in the exhibits to
the Registration Statement). 
 As used herein, (i) “Effective Time” means the time of effectiveness of the
Registration Statement for purposes of Section 11 of the Securities Act, as such section applies to the Underwriters, (ii) “Applicable Time” means [—] New
York City time on March [22], 2011, which you advised us is the time of the first contract of sale of the Securities, and (iii) “General Disclosure Package” means the Preliminary Prospectus, as amended and supplemented by the
information set forth on Schedule II to the Underwriting Agreement. 
 In addition, based on the foregoing, we confirm to
you that the Prospectus has been filed with the Commission within the time period required by Rule 424 of the Rules and Regulations. 
 This letter is furnished only to you and is solely for your benefit in connection with the closing occurring today and the offering of the Securities pursuant to the Underwriting Agreement. Without our
prior written consent, this letter may not be used, circulated, quoted or otherwise referred to for any other purpose or relied upon by, or assigned to, any other person for any purpose, including any other person that acquires any Securities or
that seeks to assert your rights in respect of this letter (other than any of your successors in interest by means of merger, consolidation, transfer of a business or other similar transaction). 

Very truly yours, 

 Schedule A 
 Incorporated Documents 
 Annual Report on Form 10-K for the year ended
December 31, 2010 filed on February 25, 2011 
 The information specifically incorporated by reference into the Company’s Annual
Report on Form 10-K for the year ended December 31, 2009 from its Definitive Proxy Statement on Schedule 14A filed on April 2, 2010 
 Current Report on Form 8-K filed on January 20, 2011 
 The description of the Common
Stock set forth in the registration statement on Form 8-A filed on May 9, 2008 

 Exhibit B 
 [Subject to Opinion Committee Review] 
 SKADDEN,
ARPS, SLATE, MEAGHER & FLOM LLP 
 155 NORTH
WACKER DRIVE 
 CHICAGO, ILLINOIS 60606-1720 

 
 TEL:
(312) 407-0700 
 FAX: (312) 407-0411 
 www.skadden.com 
 March [25], 2011 

Merrill Lynch, Pierce, Fenner & Smith 
 Incorporated 
 Citigroup Global Markets Inc. 

Credit Suisse Securities (USA) LLC 
 Deutsche
Bank Securities Inc. 
 As Representatives of the several Underwriters 

named in Schedule I of the Underwriting Agreement 
 c/o Citigroup Global Markets Inc. 
 388 Greenwich Street 

New York, NY 10013 
  

	 	Re:	Certain United States Federal Income Tax Matters 

 Ladies and Gentlemen: 
 You have requested our opinion concerning certain United
States Federal income tax considerations in connection with the sale (the “Sale”) by American Capital Agency Corp., a Delaware corporation (“ACAC”), to the several Underwriters named in Schedule I ( the
“Underwriters”) of the Underwriting Agreement among Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Deutsche Bank Securities Inc. and Credit Suisse Securities (USA) LLC, as representatives
of the several Underwriters, and ACAC and American Capital Agency Management, LLC, dated as of March [22], 2011 (the “Underwriting Agreement”), of [ ] shares of ACAC’s common stock, par value $0.01 per share, and an additional
[ ] shares of ACAC’s common stock at the Underwriters’ option to cover over-allotments (collectively, the “Shares”), pursuant to a shelf registration statement on Form S-3 filed with the Securities and Exchange Commission
(the “Commission”), including the base prospectus dated as of November 4, 2010, the preliminary prospectus supplement thereto dated 

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 2 
  

 
as of March [21], 2011, and the final prospectus supplement thereto dated as of March [22], 2011 (the “Offering Documents”). We have acted as tax counsel to ACAC in connection
with, and have participated in the preparation of, the Offering Documents. This opinion is being furnished to you pursuant to Section 5(b) of the Underwriting Agreement. Capitalized terms used herein but not defined shall have the meanings set
forth in the Underwriting Agreement. 
 In connection with this opinion, we have examined originals or copies, certified or
otherwise identified to our satisfaction, of the Offering Documents and such other documentation and information provided to us by ACAC as we have deemed necessary or appropriate as a basis for the opinion set forth herein. In addition, ACAC has
provided us with, and we are relying upon, a certificate containing certain factual statements, factual representations and covenants of officers of ACAC (the “Officers’ Certificate”) relating to, among other things, the actual
and proposed operations of ACAC and the entities in which it holds, or has held, a direct or indirect interest (collectively, the “Company”). For purposes of our opinion, we have not independently verified the facts, statements,
representations and covenants set forth in the Officers’ Certificate, the Offering Documents, or in any other document. In particular, we note that the Company may engage in transactions in connection with which we have not provided legal
advice, and have not reviewed, and of which we may be unaware. Consequently, we have relied on ACAC’s representation that the facts, statements, representations, and covenants presented in the Officers’ Certificate, the Offering Documents,
and other documents, or otherwise furnished to us, accurately and completely describe all material facts relevant to our opinion. We have assumed that all such facts, statements, representations and covenants are true without regard to any
qualification as to knowledge, belief, intent, materiality, or otherwise. Our opinion is conditioned on the continuing accuracy and completeness of such facts, statements, representations and covenants. We are not aware of any facts inconsistent
with the statements in the Officers’ Certificate. Any material change or inaccuracy in the facts, statements, representations, and covenants referred to, set forth, or assumed herein or in the Officers’ Certificate may affect our
conclusions set forth herein. 
 In our review of certain documents in connection with our opinion as expressed below, we have
assumed the legal capacity of all natural persons, the genuineness of all signatures, the authenticity of all documents submitted to us as originals, the conformity to original documents of all documents submitted to us as certified, conformed,
photostatic, or electronic copies, and the authenticity of the originals of such copies. Where documents have been provided to us in draft form, we have assumed that the final executed versions of such documents will not differ materially from such
drafts. 
 Our opinion is also based on the correctness of the following assumptions: (i) ACAC and each of the entities
comprising the Company has been and will continue to be operated in accordance with the laws of the jurisdictions in which they were formed, and in the manner described in the relevant organizational documents, (ii) there will be no changes in
the 

  
 B-2

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 3 
  

 
applicable laws of the State of Delaware or of any other jurisdiction under the laws of which any of the entities comprising the Company have been formed, and (iii) each of the written
agreements to which the Company is a party has been and will be implemented, construed and enforced in accordance with its terms. 
 In rendering our opinion, we have considered and relied upon the Internal Revenue Code of 1986, as amended (the “Code”), the regulations promulgated thereunder
(“Regulations”), administrative rulings and other Treasury interpretations of the Code and the Regulations by the courts and the Internal Revenue Service (“IRS”), all as they exist at the date hereof. It should be
noted that the Code, Regulations, judicial decisions, and administrative interpretations are subject to change at any time and, in some circumstances, with retroactive effect. A material change that is made after the date hereof in any of the
foregoing bases for our opinion could affect our conclusions set forth herein. In this regard, an opinion of counsel with respect to an issue represents counsel’s best judgment as to the outcome on the merits with respect to such issue, is not
binding on the IRS or the courts, and is not a guarantee that the IRS will not assert a contrary position with respect to such issue or that a court will not sustain such a position if asserted by the IRS. 

We express no opinion as to the laws of any jurisdiction other than the federal laws of the United States. We express no opinion on any
issue relating to ACAC or any investment therein, other than as expressly stated herein. 
 TO ENSURE COMPLIANCE WITH
TREASURY DEPARTMENT CIRCULAR 230, YOU ARE HEREBY NOTIFIED THAT: (A) ANY FEDERAL TAX ADVICE CONTAINED HEREIN IS NOT INTENDED OR WRITTEN TO BE USED, AND CANNOT BE USED BY ANY PERSON, FOR THE PURPOSE OF AVOIDING PENALTIES THAT MAY BE IMPOSED UNDER
THE CODE; (B) THE ADVICE IS WRITTEN IN CONNECTION WITH THE PROMOTION OR MARKETING OF THE TRANSACTION OR THE MATTERS ADDRESSED HEREIN BY THE COMPANY; AND (C) YOU SHOULD SEEK ADVICE BASED ON YOUR PARTICULAR CIRCUMSTANCES FROM AN INDEPENDENT
TAX ADVISOR. 
 Based on and subject to the foregoing, we are of the opinion that: 

1. Commencing with ACAC’s initial taxable year that ended on December 31, 2008, ACAC has been organized and operated in
conformity with the requirements for qualification and taxation as a real estate investment trust (a “REIT”) under the Code, and its actual method of operation through the date of this opinion has enabled, and its proposed method of
operation will continue to enable, it to meet the requirements for qualification and taxation as a REIT for its taxable year ending December 31, 2011 and subsequent years. As noted in the Offering Documents, ACAC’s qualification and
taxation as a REIT depend upon its ability to 

  
 B-3

 Merrill Lynch, Pierce, Fenner & Smith 

Incorporated 
 Citigroup Global
Markets Inc. 
 Credit Suisse Securities (USA) LLC 
 Deutsche Bank Securities Inc. 
 March [25], 2011 

Page 4 
  

 
meet, through actual operating results, certain requirements relating to the sources of its income, the nature of its assets, its distribution levels and the diversity of its stock ownership, and
various other qualification tests imposed under the Code, the results of which are not reviewed by us. Accordingly, no assurance can be given that the actual results of ACAC’s operations for any one taxable year will satisfy the requirements
for taxation as a REIT under the Code. 
 2. Although the discussion set forth in the Offering Documents under the headings
“Federal Income Tax Considerations” and “Supplement to Federal Income Tax Considerations” does not purport to discuss all possible United States Federal income tax consequences of the ownership and disposition of the Shares, such
discussion, though general in nature, constitutes, in all material respects, a fair and accurate summary under current law of the material United States Federal income tax consequences of the ownership and disposition of the Shares of ACAC, subject
to the qualifications set forth therein. 
 This opinion has been prepared for you in connection with the Sale and pursuant to
Section 5(b) of the Underwriting Agreement. This opinion may not be relied upon by anyone else without our prior written consent. This opinion is expressed as of the date hereof, and we are under no obligation to supplement or revise our
opinion to reflect any legal developments or factual matters arising subsequent to the date hereof, or the impact of any information, document, certificate, record, statement, representation, covenant, or assumption relied upon herein that becomes
incorrect or untrue. 
 Very truly yours, 

  
 B-4

 Exhibit C 
 FORM OF LOCK-UP AGREEMENT 
 TO BE DELIVERED PURSUANT TO SECTION 5(j) 

March 18, 2011 
 Merrill
Lynch, Pierce, Fenner & Smith 
 Incorporated 
 Citigroup Global Markets Inc. 
 Credit Suisse Securities (USA) LLC 

Deutsche Bank Securities Inc. 
 c/o Citigroup
Global Markets Inc. 
 388 Greenwich Street 
 New York, NY 10013 
 As Representatives of the several Underwriters 

 

	 	Re:	Proposed Public Offering by American Capital Agency Corp. 

 Dear Sirs: 
 The undersigned, an officer and/or director or the manager of
American Capital Agency Corp., a Delaware corporation (the “Company”), understands that Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Credit Suisse Securities (USA) LLC and Deutsche Bank
Securities Inc. (in such capacity, the “Representatives”) propose to enter into an Underwriting Agreement (the “Underwriting Agreement”) with the Company and American Capital Agency Management, LLC, a Delaware
limited liability company and the manager of the Company (the “Manager”), providing for the public offering of shares of the Company’s common stock, $0.01 par value per share (“Common Stock”). In recognition of
the benefit that such an offering will confer upon the undersigned as an officer and/or director or the manager of the Company, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the
undersigned agrees with the Representatives that, during a period of 30 days following the date of the Underwriting Agreement, the undersigned will not, without the prior written consent of the Representatives, directly or indirectly,
(i) offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant for the sale of, or otherwise dispose of or transfer any of the shares of Common
Stock or any securities convertible into or exchangeable or exercisable for shares of Common Stock, whether now owned or hereafter acquired by the undersigned or with respect to which the undersigned has or hereafter acquires the power of
disposition, or file, or cause to be filed, any registration statement under the Securities Act of 1933, as amended, with 

  
 C-1

 
respect to any of the foregoing (collectively, the “Lock-Up Securities”) or (ii) enter into any swap or any other agreement or any transaction that transfers, in whole or in
part, directly or indirectly, the economic consequence of ownership of the Lock-Up Securities, whether any such swap or transaction is to be settled by delivery of shares of Common Stock or other securities, in cash or otherwise. 

For the avoidance of doubt, nothing contained herein shall prevent the undersigned from, or restrict the ability of the undersigned to,
(i) purchasing shares of Common Stock or other securities of the Company, (ii) exercising any options or other convertible securities granted under any benefit plan of the Company; provided, that any shares of Common Stock received upon
exercise of such options or other convertible securities shall be subject to the foregoing restrictions, or (iii) causing to be filed one or more registration statements under the Securities Act, including amendments and supplements thereto,
with respect to the Company’s Direct Stock Purchase Program and Dividend Reinvestment Program, and authorizing or effecting the sale by the Company of any shares of Common Stock registered pursuant thereto; provided that the undersigned
shall not grant any purchase volume waivers under such plan during the period of 30 days from the date of the Underwriting Agreement. 
 Notwithstanding the foregoing, the undersigned may make gifts or transfers of Common Stock to, or for the benefit of, family members, charitable institutions, and trusts, limited partnerships or other
entities created for estate planning purposes, the principal beneficiaries of which are family members or charitable institutions, subject to the condition that any such family member or charitable institution or other holder shall execute an
agreement with the Representatives stating that such transferee is receiving and holding the shares of Common Stock subject to the provisions of this lock-up agreement. In addition, if the undersigned is a corporation, partnership, limited liability
company or other entity, the undersigned may transfer shares of Common Stock to persons or other entities that own equity interests in the undersigned, subject to the condition that the recipient shall execute an agreement with the Representatives
stating that such recipient is receiving and holding the shares of Common Stock subject to the provisions of this lock-up agreement. 
 The undersigned also agrees and consents to the entry of stop transfer instructions with the Company’s transfer agent and registrar against the transfer of the Lock-Up Securities, except in
compliance with the foregoing instructions. 
 THIS LOCK-UP AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE
LAWS OF THE STATE OF NEW YORK. 
 [Signature page follows.] 

  
 C-2

 
			
	 Very truly yours,

		
	 Signature:
	 	  

		
	 Print Name:
	 	  

		
	 Title:
	 	  

  
 C-3

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00189-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00189-of-00352.parquet"}]]