Apartment Investment and Management Company 8,200,000 Shares Class A Common Stock ($.01 par value) Underwriting Agreement

Exhibit 1.1

Apartment Investment and Management Company

8,200,000 Shares

Class A Common Stock

($.01 par value)

Underwriting Agreement

New York, New York

January 12, 2015

Citigroup Global Markets Inc.

000 Xxxxxxxxx Xxxxxx

Xxx Xxxx, Xxx Xxxx 00000

KeyBanc Capital Markets Inc.

000 Xxxxxx Xxxxxx, Xxxxxx Xxxxx

Xxxxxxxxx, Xxxx 00000

Ladies and Gentlemen:

Apartment Investment and Management Company, a corporation organized under the laws of Maryland (the “Company”), proposes to sell to Citigroup Global Markets Inc. and KeyBanc Capital Markets Inc. (the “Underwriters”) the number of shares of Class A common stock, $.01 par value per share (“Common Stock”), of the Company set forth on Schedule I hereto (said shares to be issued and sold by the Company being hereinafter called the “Underwritten Securities”). The Company also proposes to grant to the Underwriters an option to purchase up to the number of additional shares of Common Stock set forth in Schedule I (the “Option Securities”; the Option Securities, together with the Underwritten Securities, being hereinafter called the “Securities”). Any reference herein to the Registration Statement, the Base Prospectus, any Preliminary Prospectus or the Final Prospectus shall be deemed to refer to and include the documents incorporated by reference therein pursuant to Item 12 of Form S-3 which were filed under the Exchange Act on or before the Effective Date of the Registration Statement or the issue date of the Base Prospectus, any Preliminary Prospectus or the Final Prospectus, as the case may be; and any reference herein to the terms “amend,” “amendment” or “supplement” with respect to the Registration Statement, the Base Prospectus, any Preliminary Prospectus or the Final Prospectus shall be deemed to refer to and include the filing of any document under the Exchange Act after the Effective Date of the Registration Statement or the issue date of the Base Prospectus, any Preliminary Prospectus or the Final Prospectus, as the case may be, deemed to be incorporated therein by reference. Certain terms used herein are defined in Section 20 hereof.

1. Representations and Warranties. The Company represents and warrants to, and agrees with, the Underwriters as set forth below in this Section 1.

(a) The Company meets the requirements for use of Form S-3 under the Act and has prepared and filed with the Commission an automatic shelf registration

statement, as defined in Rule 405 (the file number of which is set forth in Schedule I hereto) on Form S-3, including a related Base Prospectus, for registration under the Act of the offering and sale of the Securities. Such Registration Statement, including any amendments thereto filed prior to the Execution Time, became effective upon filing. The Company may have filed with the Commission, as part of an amendment to the Registration Statement or pursuant to Rule 424(b), one or more preliminary prospectus supplements relating to the Securities, each of which has previously been furnished to you. The Company will file with the Commission a final prospectus supplement relating to the Securities in accordance with Rule 424(b). As filed, such final prospectus supplement shall contain all information required by the Act and the rules thereunder, and, except to the extent the Underwriters shall agree in writing to a modification, shall be in all substantive respects in the form furnished to you prior to the Execution Time or, to the extent not completed at the Execution Time, shall contain only such specific additional information and other changes (beyond that contained in the Base Prospectus and any Preliminary Prospectus) as the Company has advised you, prior to the Execution Time, will be included or made therein. The Registration Statement, at the Execution Time, meets the requirements set forth in Rule 415(a)(1)(x). The initial Effective Date of the Registration Statement was not earlier than the date three years before the Execution Time.

(b) On each Effective Date, the Registration Statement did, and when the Final Prospectus is first filed in accordance with Rule 424(b) and on the Closing Date (as defined herein) and on any date on which Option Securities are purchased, if such date is not the Closing Date (a “settlement date”), the Final Prospectus (and any supplement thereto) will comply in all material respects with the applicable requirements of the Act and the Exchange Act and the respective rules thereunder; on each Effective Date, at the Execution Time and on the Closing Date, the Registration Statement did not and will not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein not misleading; and on the date of any filing pursuant to Rule 424(b) and on the Closing Date and any settlement date, the Final Prospectus (together with any supplement thereto) will not include any untrue statement of a material fact or omit 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; provided, however, that the Company makes no representations or warranties as to the information contained in or omitted from the Registration Statement or the Final Prospectus (or any supplement thereto) in reliance upon and in conformity with information furnished in writing to the Company by or on behalf of the Underwriters specifically for inclusion in the Registration Statement or the Final Prospectus (or any supplement thereto), it being understood and agreed that the only such information furnished by or on behalf of the Underwriters consists of the information described as such in Section 8 hereof.

(c) (i) The Disclosure Package and the price to the Underwriters, the number of Underwritten Securities and the number of Option Securities to be included on the cover page of the Final Prospectus, when taken together as a whole and (ii) each electronic road show when taken together as a whole with the Disclosure Package and the price to the Underwriters, the number of Underwritten Securities and the number of

Option Securities to be included on the cover page of the Final Prospectus, does not contain 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. The preceding sentence does not apply to statements in or omissions from the Disclosure Package based upon and in conformity with written information furnished to the Company by the Underwriters specifically for use therein, it being understood and agreed that the only such information furnished by or on behalf of the Underwriters consists of the information described as such in Section 8 hereof.

(d) (i) At the time of filing the Registration Statement, (ii) at the time of the most recent amendment thereto for the purposes of complying with Section 10(a)(3) of the Act (whether such amendment was by post-effective amendment, incorporated report filed pursuant to Sections 13 or 15(d) of the Exchange Act or form of prospectus), and (iii) at the time the Company or any person acting on its behalf (within the meaning, for this clause only, of Rule 163(c)) made any offer relating to the Securities in reliance on the exemption in Rule 163, the Company was or is (as the case may be) a “well-known seasoned issuer” as defined in Rule 405. The Company agrees to pay the fees required by the Commission relating to the Securities within the time required by Rule 456(b)(1) without regard to the proviso therein and otherwise in accordance with Rules 456(b) and 457(r).

(e) (i) At the earliest time after the filing of the Registration Statement that the Company or another offering participant made a bona fide offer (within the meaning of Rule 164(h)(2)) of the Securities and (ii) as of the Execution Time (with such date being used as the determination date for purposes of this clause (ii)), the Company was not and is not an Ineligible Issuer (as defined in Rule 405), without taking account of any determination by the Commission pursuant to Rule 405 that it is not necessary that the Company be considered an Ineligible Issuer.

(f) Each Issuer Free Writing Prospectus does not include any information that conflicts with the information contained in the Registration Statement, including any document incorporated therein by reference and any prospectus supplement deemed to be a part thereof that has not been superseded or modified. The foregoing sentence does not apply to statements in or omissions from any Issuer Free Writing Prospectus based upon and in conformity with written information furnished to the Company by any Underwriter specifically for use therein, it being understood and agreed that the only such information furnished by or on behalf of any Underwriter consists of the information described as such in Section 8 hereof.

(g) The documents incorporated or deemed to be incorporated by reference in the Registration Statement, the Disclosure Package or the Final Prospectus, when they became effective or at the time they were or hereafter are filed with the Commission, complied, comply and will comply in all material respects with the requirements of the Exchange Act, and, when read together with the other information in the Registration Statement, the Disclosure Package or the Final Prospectus, (a) at the time the Registration Statement became effective, (b) on the date hereof, (c) at the Applicable Time and (d) at the Closing Time, did not and will not include an untrue statement of a material fact or

omit to state a material fact required to be stated therein or necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(h) Except as otherwise disclosed in the Registration Statement, the Disclosure Package and the Final Prospectus, subsequent to the respective dates as of which information is given in the Registration Statement, the Disclosure Package or the Prospectus: (i) there has been no material adverse change in the condition, financial or otherwise, or in the properties, earnings, business or prospects of the Company, the Operating Partnership and the Subsidiaries (as defined below) considered as one enterprise, whether or not arising in the ordinary course of business (a “Material Adverse Effect”), (ii) there have been no transactions entered into by the Company, the Operating Partnership or any Subsidiary, other than those in the ordinary course of business, which are material with respect to the Company, the Operating Partnership and the Subsidiaries considered as one enterprise and (iii) except for regular quarterly dividends on the Common Stock, in amounts per share that are consistent with past practice, regular quarterly dividends on the Company’s outstanding preferred stock and regular quarterly distributions on the Operating Partnership’s common partnership units, partnership preferred units and high performance partnership units, there has been no dividend or distribution of any kind declared, paid or made by the Company on any class of its capital shares or any distribution by the Operating Partnership with respect to any of its limited partnership interests.

(i) The Company has been duly incorporated and is validly existing as a corporation and is in good standing under the laws of the State of Maryland, with full corporate power and authority to own and lease its properties and to conduct its business as described in the Registration Statement, the Disclosure Package and the Final Prospectus and to enter into and perform its obligations under this Agreement. The Company is duly qualified or registered as a foreign corporation to transact business and is in good standing in each other jurisdiction in which such qualification or registration 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, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

(j) The Operating Partnership has been duly formed and is validly existing as a limited partnership and is in good standing under the laws of the State of Delaware and has the partnership power and partnership authority under the Operating Partnership Agreement (as defined below) and the Delaware Revised Uniform Limited Partnership Act to own, lease and operate its properties and to conduct the business in which it is engaged as described in the Registration Statement, the Disclosure Package and the Final Prospectus and to enter into and perform its obligations hereunder. The Operating Partnership is duly qualified or registered as a foreign partnership to transact business and is in good standing in each jurisdiction in which such qualification or registration is required, whether by reason of the ownership or leasing of property or the conduct of business, except where the failure to so qualify or register would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. The OP

General Partner is the sole general partner of the Operating Partnership and holds such number and/or percentage of common partnership units, partnership preferred units and high performance partnership units, as disclosed in the Registration Statement and the Prospectus as of the dates set forth therein, free and clear of any perfected security interest or any other security interests, claims, liens or encumbrances. The Fourth Amended and Restated Agreement of Limited Partnership of the Operating Partnership, dated as of July 29, 1994 and restated as of February 28, 2007, as amended by the First Amendment thereto, dated as of December 31, 2007, the Second Amendment thereto, dated as of July 30, 2009, the Third Amendment thereto, dated as of September 2, 2010, the Fourth Amendment thereto, dated as of July 26, 2011, the Fifth Amendment thereto, dated as of August 24, 2011, the Sixth Amendment thereto, dated as of December 31, 2011, the Seventh Amendment thereto, dated as of May 13, 2014 and the Eighth Amendment thereto, dated as of October 31, 2014 (collectively, the “Operating Partnership Agreement”), is in full force and effect.

(k) The only Subsidiaries of the Company that may constitute a “significant subsidiary” within the meaning of Rule 1-02(w) of Regulation S-X are the Subsidiaries listed on Exhibit 21.1 to the Company’s Annual Report on Form 10-K for the year ended December 31, 2013. Each of the Subsidiaries of the Company or the Operating Partnership has been duly incorporated or organized and is validly existing as a corporation, limited partnership, limited liability limited partnership, general partnership or limited liability company, as applicable, in good standing under the laws of the jurisdiction in which it is chartered or organized and has the requisite power and authority to own, lease and operate its properties and to conduct its business as described in the Registration Statement, the Disclosure Package and the Final Prospectus, and is duly qualified or registered as a foreign corporation, limited partnership, limited liability limited partnership, general partnership or limited liability company, as applicable, and is in good standing in the jurisdiction in which such qualification or registration is required, whether by reason of the ownership or leasing of property or the conduct of business, except in each case where the failure to so qualify or register would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. All the outstanding shares of capital stock, partnership interests, limited liability company interests or other equivalent equity interests of each such Subsidiary have been duly authorized and validly issued and are fully paid and non-assessable, and, except (i) as otherwise set forth in each of the Registration Statement and the Final Prospectus and (ii) the shares of capital stock, partnership interests, limited liability company interests or other equivalent equity interests of Subsidiaries that are pledged under those certain Security Agreements, dated as of December 13, 2011, pursuant to which the Company, the Operating Partnership and AIMCO/Bethesda Holdings, Inc. (collectively, the “Borrowers”) and certain Subsidiaries granted a security interest in, and pledged, certain collateral to KeyBank National Association, as administrative agent (in such capacity, the “Administrative Agent”) for the lenders under the Senior Secured Credit Agreement, dated as of December 13, 2011, as amended by the First Amendment thereto, dated as of April 5, 2013 and the Second Amendment and Joinder to Guaranty thereto, dated as of September 30, 2013, among the Borrowers, the financial institutions from time to time party thereto and the Administrative Agent, all outstanding shares of capital stock,

partnership interests, limited liability company interests or other equivalent equity interest of the Subsidiaries are owned by the Company or the Operating Partnership, as applicable, either directly or through Subsidiaries free and clear of any perfected security interest or any other security interests, mortgages, pledges, liens, encumbrances, claims in law or in equity, and none of the outstanding shares of capital stock, partnership interests, limited liability company interests or other equivalent equity interests of the Subsidiaries were issued in violation of the preemptive or similar rights of any security of each Subsidiary, except such violations as would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

(l) This underwriting agreement (the “Agreement”) and the transactions contemplated herein have been duly authorized by the Company and the Operating Partnership, and this Agreement has been duly executed and delivered by the Company and the Operating Partnership.

(m) The Company has an authorized capitalization as set forth in the Disclosure Package and the Final Prospectus. All of the issued and outstanding shares of capital stock of the Company have been duly authorized and validly issued by the Company and are fully paid and non-assessable, and none of the outstanding shares of capital stock of the Company were issued in violation of preemptive or other similar rights of any security holder of the Company.

(n) The Securities have been duly authorized and reserved for issuance, sale and delivery pursuant to this Agreement and, when issued and delivered by the Company pursuant to this Agreement against payment of the consideration provided for herein, will be validly issued, fully paid and non-assessable. The Securities conform in all material respects to all statements relating thereto contained in the Registration Statement, the Disclosure Package and the Final Prospectus. No holder of the Securities will be subject to personal liability by reason of being such a holder. The issuance of the Securities is not subject to the preemptive or other similar rights of any security holder of the Company.

(o) None of the Company, the Operating Partnership or any Significant Subsidiary is (i) in violation of its charter, partnership agreement, by-laws or other governing instrument (“Governing Instruments”) or (ii) 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 Company, the Operating Partnership or any Significant Subsidiary is a party or by which it or any of them may be bound, or to which any of the property or assets of the Company, the Operating Partnership or any Significant Subsidiary is subject (collectively, “Agreements and Instruments”), except for such defaults that would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect or (iii) in violation of 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, the Operating Partnership or any Significant Subsidiary or any of their assets, properties or operations (“Laws”), except for such violations that would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. The execution,

delivery and performance of this Agreement and the consummation of the transactions contemplated herein and in the Disclosure Package and the Final Prospectus (including the issuance and sale of the Securities and the use of the aggregate net proceeds from the sale of the Securities as described in the Disclosure Package and the Final Prospectus under the caption “Use of Proceeds”) and compliance by the Company and the Operating Partnership with their respective obligations hereunder have been duly authorized by all necessary corporate or limited partnership 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, the Operating Partnership 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, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect), nor will such action result in any violation of the provisions of the Governing Instruments of the Company, the Operating Partnership or any Significant Subsidiary or, except as would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect, of any Laws. 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, the Operating Partnership or any Significant Subsidiary.

(p) No filing with, or authorization, approval, consent, license, order, registration, qualification or decree of, any court or governmental authority or agency is necessary or required for the performance by the Company or the Operating Partnership of their respective obligations hereunder, 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 already been obtained or will be obtained under the Act or under state securities laws or the rules of the Financial Industry Regulatory Authority, Inc. (“FINRA”).

(q) There is no action, arbitration, suit, proceeding, inquiry or investigation before or brought by any arbitrator or court or governmental agency or body, domestic or foreign, now pending, or, to the knowledge of the Company or the Operating Partnership, threatened, against or affecting the Company, the Operating Partnership or any Subsidiary, which is required to be disclosed in the Registration Statement, the Disclosure Package or the Final Prospectus (other than as disclosed therein), or which might reasonably be expected to result in a Material Adverse Effect or which might reasonably be expected to materially and adversely affect the consummation of the transactions contemplated in this Agreement or the performance by the Company or the Operating Partnership of their respective obligations hereunder.

(r) The financial statements of the Company and its consolidated Subsidiaries set forth in or incorporated by reference in the Registration Statement, the Disclosure Package and the Final Prospectus, together with the related schedules and notes, present fairly the financial position, results of operations and cash flows of the Company and its

consolidated Subsidiaries at the dates and for the periods specified, and, except as disclosed in the notes thereto, such financial statements have been prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) applied on a consistent basis throughout the periods involved. The supporting schedules, if any, set forth in or incorporated by reference in the Registration Statement, the Disclosure Package or the Final Prospectus present fairly in accordance with GAAP the information required to be stated therein. Any selected historical operating and financial data set forth in or incorporated by reference in the Registration Statement, the Disclosure Package or the Final Prospectus present fairly in all material respects the information shown therein and have been compiled on a basis consistent with the books and records of the Company and that of the audited financial statements set forth in or incorporated by reference in the Registration Statement or the Final Prospectus. The financial statements of the businesses or properties acquired or proposed to be acquired, if any, included in, or incorporated by reference into, the Registration Statement, the Disclosure Package or the Final Prospectus present fairly in all material respects the information set forth therein, have been prepared in conformity with GAAP applied on a consistent basis and otherwise have been prepared in accordance with the applicable financial statement requirements of Rule 3-05 or Rule 3-14 of Regulation S-X with respect to real estate operations acquired or to be acquired. In addition, any pro forma financial statements and the related notes thereto set forth in or incorporated by reference in the Registration Statement, the Disclosure Package or the Final Prospectus present fairly in all material respects the information shown therein, have been prepared in accordance with the Commission’s rules and guidelines with respect to pro forma financial statements and have been properly compiled on the basis described therein, and the assumptions used in the preparation thereof are reasonable and the adjustments used therein are appropriate to give effect to the transactions and circumstances referred to therein; other than as set forth therein, the Company is not required to include any financial statements or pro forma financial statements in the Registration Statement, the Disclosure Package or the Final Prospectus under the Act or any document required to be filed with the Commission under the Exchange Act. All disclosures contained in the Registration Statement, the Disclosure Package or the Final Prospectus regarding “non-GAAP financial measures” (as such term is defined by the rules and regulations of the Commission) comply with Regulation G and Item 10 of Regulation S-K, to the extent applicable.

(s) The interactive data in eXtensible Business Reporting Language (“XBRL”) incorporated by reference in the Registration Statement fairly presents the information called for in all material respects and has been prepared in accordance with the Commission’s rules and guidelines applicable thereto.

(t) The Company, the Operating Partnership, the Subsidiaries and, to the knowledge of the Company, any joint venture that is not a Subsidiary, in which the Company, the Operating Partnership or any Subsidiary owns an interest, as the case may be, have good and marketable title to all real property owned by them, and good title to all other properties owned by them, in each case, free and clear of all mortgages, pledges, liens, security interests, claims, restrictions or encumbrances of any kind, except (i) such mortgages, pledges, liens, security interests, claims, restrictions or encumbrances in connection with mortgages entered into in the ordinary course consistent with past

practice, (ii) as otherwise stated in the Registration Statement, the Disclosure Package and the Final Prospectus or (iii) those which would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. Each of the properties of any of the Company, the Operating Partnership or the Subsidiaries complies with all applicable codes and zoning laws and regulations except in any case where such non-compliance would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect; and none of the Company, the Operating Partnership or any Subsidiary has knowledge of any pending or threatened condemnation, zoning change or other proceeding or action that will in any manner affect the size of, use of, improvements on, construction on, or access to the properties of any of the Company, the Operating Partnership or any Subsidiary except in any case where such action or proceeding would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. All of the leases and subleases material to the business of the Company, the Operating Partnership and the Subsidiaries considered as one enterprise, and under which the Company, the Operating Partnership or any Subsidiary holds properties described in the Registration Statement and the Final Prospectus, are in full force and effect, and none of the Company, the Operating Partnership or any Subsidiary has any notice of any material claim of any sort that has been asserted by anyone adverse to the rights of the Company, the Operating Partnership or any Subsidiary under any of the leases or subleases mentioned above, or affecting or questioning the rights of the Company, the Operating Partnership or any Subsidiary of the continued possession of the leased or subleased premises under any such lease or sublease, except as would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. To the knowledge of the Company, except as described in the Registration Statement, the Disclosure Package and the Final Prospectus, no tenant under any lease to which the Company, the Operating Partnership or any Subsidiary leases any portion of its property is in default under such lease, except for any defaults that would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

(u) Title insurance in favor of the Company, the Operating Partnership and the Subsidiaries has been obtained with respect to each property owned by any such entity in an amount that is customary for companies engaged in the same or similar businesses, except where the failure to maintain such title insurance would not reasonably be expected to result in a Material Adverse Effect.

(v) The mortgages and deeds of trust encumbering the properties and assets described in the Registration Statement, the Disclosure Package and the Final Prospectus (i) are not convertible (in the absence of foreclosure) into an equity interest in the property or asset described therein or in the Company, the Operating Partnership or any Subsidiary, nor does any of the Company, the Operating Partnership or any Subsidiary hold a participating interest therein, (ii) except as set forth in the Registration Statement, the Disclosure Package and the Final Prospectus, are not cross-defaulted to any indebtedness other than indebtedness of the Company or any of the Subsidiaries and (iii) are not cross-collateralized to any property not owned by the Company, the Operating Partnership or any of the Subsidiaries, except, in each case, as would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

(w) To the knowledge of the Company and the Operating Partnership, the real property of the Company, the Operating Partnership and the Subsidiaries is free of material structural defects and all building systems contained therein are in reasonably good working order in all material respects, subject to ordinary wear and tear or, strategic business decisions regarding maintenance thereof.

(x) All U.S. federal income tax returns of the Company, the Operating Partnership and the Subsidiaries required by law to be filed have been filed and all taxes shown by such returns, which are due and payable, have been paid. No assessment in respect of U.S. federal income taxes has been made to date against the Company, the Operating Partnership or any of the Subsidiaries that would reasonably be expected to result in a Material Adverse Effect. The Company, the Operating Partnership and the Subsidiaries have filed all other tax returns that are required to have been filed by them pursuant to applicable foreign, state, local or other law except insofar as the failure to file such returns would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect, and have paid all taxes due pursuant to such returns or pursuant to any assessment received by the Company, the Operating Partnership and the Subsidiaries, except for such taxes, if any, as are being contested in good faith or would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect. The charges, accruals and reserves on the books of the Company, the Operating Partnership and the Subsidiaries in respect of any income, partnership 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, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

(y) Commencing with its taxable year ended December 31, 1994, the Company has been organized and operated in conformity with the requirements for qualification and taxation as a real estate investment trust (a “REIT”) under the Internal Revenue Code of 1986, as amended (the “Code”), and the Company’s actual and proposed method of operation as described in the Registration Statement, the Disclosure Package and the Final Prospectus will enable it to continue to meet the requirements for qualification and taxation as a REIT under the Code. The Operating Partnership will be taxed as a partnership for federal income tax purposes.

(z) Neither the Company nor the Operating Partnership is, or upon the issuance and sale of the Securities and the application of the net proceeds therefrom as described in the Disclosure Package and the Final Prospectus will be, an “investment company” as such term is defined in the Investment Company Act.

(aa) The accounting firm that certified the financial statements and supporting schedules incorporated by reference in the Registration Statement, the Disclosure Package and the Final Prospectus is an independent registered public accounting firm as required by the Act, the Exchange Act and the Public Company Accounting Oversight Board (United States).

(bb) Except as described in the Registration Statement, the Disclosure Package and the Final Prospectus or except as would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect, (i) none of the Company, the Operating Partnership or any of the Subsidiaries is in violation of any federal, state, local or foreign statute, law, rule, regulation, ordinance, code, policy or rule of common law or any judicial or administrative interpretation thereof, including any judicial or administrative order, consent, decree or judgment, relating to pollution or protection of human health, the environment (including, without limitation, ambient air, surface water, groundwater, land surface or subsurface strata) or wildlife, including, without limitation, laws and regulations relating to the release or threatened release of chemicals, pollutants, contaminants, wastes, toxic substances, hazardous substances, petroleum or petroleum products, asbestos-containing materials or mold (collectively, “Hazardous Materials”) or to the manufacture, processing, distribution, use, treatment, storage, disposal, transport or handling of Hazardous Materials (collectively, “Environmental Laws”), (ii) the Company, the Operating Partnership and the Subsidiaries have all permits, authorizations and approvals required under any applicable Environmental Laws and are each in compliance with their requirements, (iii) there are no pending or, to the knowledge of the Company, threatened administrative, regulatory or judicial actions, suits, demands, demand letters, claims, liens, notices of noncompliance or violations, investigations or proceedings relating to any Environmental Law against the Company, the Operating Partnership or any of the Subsidiaries and (iv) there are no events or circumstances that would reasonably be expected to form the basis of an order for clean-up or remediation, or an action, suit or proceeding by any private party or governmental body or agency, against or affecting the Company, the Operating Partnership or any of the Subsidiaries relating to Hazardous Materials or any Environmental Laws.

(cc) The Company, the Operating Partnership and the Subsidiaries carry or are entitled to the benefits of insurance in such amounts and covering such risks as is customary for companies engaged in the same or similar business, and all such insurance is in full force and effect. None of the Company, the Operating Partnership or any Subsidiary has any reason to believe that it will not be able (i) to renew its existing insurance coverage as and when such policies expire or (ii) 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 reasonably be expected to result in a Material Adverse Effect.

(dd) Each of the Company, the Operating Partnership and the Subsidiaries possesses such permits, licenses, approvals, consents and other authorizations (collectively, “Governmental Licenses”) issued by the appropriate federal, state, local or foreign regulatory agencies or bodies necessary to conduct the business now operated by them, except where failure to possess any such Governmental Licenses would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect; the Company, the Operating Partnership and the Subsidiaries are in compliance with the terms and conditions of all such Governmental Licenses, except where the

failure so to comply would not, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect; all of the Governmental Licenses are valid and in full force and effect, except when the invalidity of such Governmental Licenses or the failure of such Governmental Licenses to be in full force and effect would not, individually or in the aggregate, result in a Material Adverse Effect; and none of the Company, the Operating Partnership or any of the Subsidiaries has received any notice of proceedings relating to the revocation or modification of any such Governmental Licenses which if the subject of an unfavorable decision, ruling or finding, would, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

(ee) No labor dispute with the employees of the Company, the Operating Partnership or any Subsidiary exists or, to the knowledge of the Company or the Operating Partnership, is imminent, which would, individually or in the aggregate, reasonably be expected to result in a Material Adverse Effect.

(ff) There are no contracts or documents which are required to be described in the Registration Statement, the Disclosure Package or the Final Prospectus or the documents incorporated by reference therein or to be filed as exhibits thereto which have not been so described and filed as required.

(gg) The Company, the Operating Partnership and the Subsidiaries own or possess, or can acquire on reasonable terms, adequate patents, patent rights, licenses, inventions, copyrights, know-how (including trade secrets and other unpatented and/or unpatentable proprietary or confidential information, systems or procedures), trademarks, service marks, trade names or other intellectual property (collectively, “Intellectual Property”) necessary to carry on the business now operated by them, and none of the Company, the Operating Partnership or any Subsidiary has received any written notice or is otherwise aware of any infringement of or conflict with asserted rights of others with respect to any Intellectual Property or of any facts or circumstances which would render any Intellectual Property invalid or inadequate to protect the interest of the Company, the Operating Partnership or any Subsidiary therein, and which infringement or conflict (if the subject of any unfavorable decision, ruling or finding) or invalidity or inadequacy, individually or in the aggregate, would reasonably be expected to result in a Material Adverse Effect.

(hh) The Company, the Operating Partnership and the Subsidiaries maintain a system of internal accounting controls sufficient to provide reasonable assurances that (i) transactions are executed in accordance with management’s general or specific authorization, (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain accountability for assets, (iii) access to assets is permitted only in accordance with management’s general or specific authorization, (iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences, and (v) the interactive data in XBRL included or incorporated by reference in the Registration Statement, Disclosure Package and the Final Prospectus is in compliance with the Commission’s published rules, regulations and guidelines applicable thereto.

Except as described in the Disclosure Package and the Final Prospectus, since the end of the Company’s most recent audited fiscal year, there has been (1) no material weakness in the Company’s internal control over financial reporting (whether or not remediated) and (2) 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, the Operating Partnership and the Subsidiaries employ disclosure controls and procedures that are designed to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the Commission’s rules and forms, and is accumulated and communicated to the Company’s management, including its principal executive officer or officers and principal financial officer or officers, as appropriate, to allow timely decisions regarding disclosure.

(ii) None of the Company, the Operating Partnership or any Significant Subsidiary, nor, to the knowledge of the Company or the Operating Partnership, any director, officer, agent, employee, affiliate or other person acting on behalf of the Company or any Significant Subsidiary is aware of or has taken any action, directly or indirectly, that would reasonably be expected to result in a violation by such persons of the Foreign Corrupt Practices Act of 1977, as amended, and the rules and regulations thereunder or the U.K. Xxxxxxx Xxx 0000 or similar law of any other relevant jurisdiction, and neither the Company, the Operating Partnership nor any Significant Subsidiary nor, to the knowledge of the Company, any director, officer, agent, employee, affiliate or other person acting on behalf of the Company or any Significant Subsidiary is aware of or has taken any action, directly or indirectly, that could result in a sanction for violation by such persons of the Foreign Corrupt Practices Act of 1977, as amended, and the rules and regulations thereunder or the U.K. Xxxxxxx Xxx 0000 or similar law of any other relevant jurisdiction; and prohibition of noncompliance therewith is covered by the codes of conduct or other procedures instituted and maintained by the Company, the Operating Partnership and any Significant Subsidiary.

(jj) The operations of the Company, the Operating Partnership and each Significant Subsidiary 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 applicable jurisdictions, the rules and regulations thereunder and any related or similar applicable 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, the Operating Partnership, or any Significant Subsidiary with respect to the Money Laundering Laws is pending or, to the knowledge of the Company or the Operating Partnership, threatened.

(kk) None of the Company, the Operating Partnership, any Significant Subsidiary or, to the knowledge of the Company or the Operating Partnership, any director, officer, agent, employee, affiliate or person acting on behalf of the Company, the Operating Partnership or any Significant Subsidiary (i) is currently subject to any

sanctions administered or imposed by the United States (including any administered or enforced by the Office of Foreign Assets Control of the U.S. Treasury Department, the U.S. Department of State, or the Bureau of Industry and Security of the U.S. Department of Commerce), the United Nations Security Council, the European Union, or the United Kingdom (including sanctions administered or controlled by Her Majesty’s Treasury) (collectively, “Sanctions” and such persons, “Sanction Persons”) or (ii) will directly or indirectly, use the proceeds of this offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other person in any manner that will result in a violation of any economic Sanctions by, or could result in the imposition of Sanctions against, any person (including any person participating in the offering, whether as underwriter, advisor, investor or otherwise).

(ll) None of the Company, the Operating Partnership, any Significant Subsidiary, or to the knowledge of the Company or the Operating Partnership, any director, officer, agent, employee, affiliate or person acting on behalf of the Company, the Operating Partnership or any Significant Subsidiary, is a person that is, or is 50% or more owned or otherwise controlled by a person that is: (i) the subject of any Sanctions; or (ii) located, organized or resident in a country or territory that is, or whose government is, the subject of Sanctions that broadly prohibit dealings with that country or territory (currently, Cuba, Iran, North Korea, Sudan, and Syria) (collectively, “Sanctioned Countries” and each, a “Sanctioned Country”).

(mm) Except as has been disclosed to the Underwriters or is not material to the analysis under any Sanctions, none of the Company, the Operating Partnership or any Significant Subsidiary has engaged in any dealings or transactions with or for the benefit of a Sanctioned Person, or with or in a Sanctioned Country, in the preceding 3 years, nor does the Company, the Operating Partnership or any Significant Subsidiary have any plans to increase its dealings or transactions with Sanctioned Persons, or with or in Sanctioned Countries.

(nn) There is and has been no failure on the part of the Company, the Operating Partnership or any Subsidiary or any of the directors or officers of the Company, the Operating Partnership or any Subsidiary, in their capacities as such, to comply in all material respects with any provision of the Xxxxxxxx-Xxxxx Act of 2002 and the rules and regulations promulgated in connection therewith, including Section 402 related to loans and Sections 302 and 906 related to certifications.

(oo) Except as described in the Registration Statement, the Disclosure Package and the Final Prospectus, no holders of securities or other equity interests of the Company or the Operating Partnership have rights to have any such securities registered pursuant to the Registration Statement or in connection with the transactions contemplated by this Agreement.

(pp) Any statistical and market-related data included in the Registration Statement, the Disclosure Package and the Final Prospectus are based on or derived from sources that the Company believes to be reliable and accurate in all material respects, and the Company has obtained the written consent to the use of such data from such sources, where required.

(qq) The outstanding shares of Common Stock and the Securities to be sold by the Company hereunder have been or will have been approved for listing, subject only to official notice of issuance, on the New York Stock Exchange, and are registered pursuant to Section 12(b) of the Exchange Act, and the Company has taken no action designed to, or likely to have the effect of, terminating the registration of the Common Stock under the Exchange Act or delisting the Common Stock from the New York Stock Exchange, nor has the Company received any notification that the Commission or the New York Stock Exchange is contemplating terminating such registration or listing.

(rr) Except as described in the Disclosure Package and the Final Prospectus, none of the Company, the Operating Partnership or any Subsidiary 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, the Operating Partnership or any Subsidiary or the Underwriters for a brokerage commission, finder’s fee or like payment in connection with the offering and sale of the Securities.

Any certificate signed by any officer of the Company or the Operating Partnership delivered to the Underwriters or to counsel for the Underwriters pursuant to or in connection with this Agreement shall be deemed a representation and warranty by the Company or the Operating Partnership, as applicable, to the Underwriters as to the matters covered thereby as of the date or dates indicated in such certificate.

2. Purchase and Sale. (a) Subject to the terms and conditions and in reliance upon the representations and warranties herein set forth, the Company agrees to sell to each Underwriter, and each Underwriter agrees, severally and not jointly, to purchase from the Company, at the purchase price set forth in Schedule I hereto, the number of Underwritten Securities set forth opposite such Underwriter’s name in Schedule II hereto.

(b) Subject to the terms and conditions and in reliance upon the representations and warranties herein set forth, the Company hereby grants an option to the Underwriters to purchase, severally and not jointly, up to the number of Option Securities set forth in Schedule I hereto at the same purchase price per share as the Underwriters shall pay for the Underwritten Securities, less an amount per share equal to any dividends or distributions declared by the Company and payable on the Underwritten Securities but not payable on the Option Securities. Said option may be exercised in whole or in part at any time on or before the 30th day after the date of the Final Prospectus upon written or telegraphic notice by the Underwriters to the Company setting forth the number of Option Securities as to which the Underwriters are exercising the option and the settlement date. The number of Option Securities to be purchased by each Underwriter shall be the same percentage of the total number of Option Securities to be purchased by the several Underwriters as such Underwriter is purchasing of the Underwritten Securities, subject to such adjustments as you in your absolute discretion shall make to eliminate any fractional shares.

3. Delivery and Payment. Delivery of and payment for the Underwritten Securities and the Option Securities (if the option provided for in Section 2(b) hereof shall have been exercised on or before the third Business Day immediately preceding the Closing Date) shall be made on the date and at the time specified in Schedule I hereto or at such time on such later date not more than three Business Days after the foregoing date as the Underwriters shall designate, which date and time may be postponed by agreement between the Underwriters and the Company (such date and time of delivery and payment for the Securities being herein called the “Closing Date”). Delivery of the Securities shall be made to the Underwriters for their respective accounts against payment by the Underwriters of the respective aggregate purchase price thereof to or upon the order of the Company by wire transfer payable in same-day funds to an account specified by the Company. Delivery of the Underwritten Securities and the Option Securities shall be made through the facilities of The Depository Trust Company unless the Underwriters shall otherwise instruct.

If the option provided for in Section 2(b) hereof is exercised after the third Business Day immediately preceding the Closing Date, the Company will deliver the Option Securities (at the expense of the Company) in respective amounts to Citigroup Global Markets Inc., at 000 Xxxxxxxxx Xxxxxx, Xxx Xxxx, Xxx Xxxx, and to KeyBanc Capital Markets Inc., at 000 Xxxxxx Xxxxxx, 0xx Xxxxx, Xxxxxxxxx, Xxxx 00000, on the date specified by the Underwriters (which shall be within three Business Days after exercise of said option) for the respective accounts of the Underwriters, against payment by the Underwriters of the purchase price thereof to or upon the order of the Company by wire transfer payable in same-day funds to the accounts specified by the Company. If settlement for the Option Securities occurs after the Closing Date, the Company will deliver to the Underwriters on the settlement date for the Option Securities, and the obligation of the Underwriters to purchase the Option Securities shall be conditioned upon receipt of, supplemental opinions, certificates and letters confirming as of such date the opinions, certificates and letters delivered on the Closing Date pursuant to Section 6 hereof.

4. Offering by Underwriters. It is understood that the Underwriters propose to offer the Securities for sale to the public as set forth in the Final Prospectus.

5. Agreements. The Company and the Operating partnership agree with the Underwriters that:

(a) Prior to the termination of the offering of the Securities, the Company will not file any amendment of the Registration Statement or supplement (including the Final Prospectus or any Preliminary Prospectus) to the Base Prospectus unless the Company has furnished you a copy for your review prior to filing and will not file any such proposed amendment or supplement to which you reasonably object. The Company will cause the Final Prospectus, properly completed, and any supplement thereto to be filed in a form approved by the Underwriters with the Commission pursuant to the applicable paragraph of Rule 424(b) within the time period prescribed and will provide evidence satisfactory to the Underwriters of such timely filing. The Company will promptly advise the Underwriters (i) when the Final Prospectus, and any supplement thereto, shall have been filed (if required) with the Commission pursuant to Rule 424(b), (ii) when, prior to termination of the offering of the Securities, any amendment to the Registration Statement shall have been filed or become effective, (iii) of any request by the

Commission or its staff for any amendment of the Registration Statement, or any Rule 462(b) Registration Statement, or for any supplement to the Final Prospectus or for any additional information, (iv) of the issuance by the Commission of any stop order suspending the effectiveness of the Registration Statement or of any notice objecting to its use or the institution or threatening of any proceeding for that purpose and (v) of the receipt by the Company of any notification with respect to the suspension of the qualification of the Securities for sale in any jurisdiction or the institution or threatening of any proceeding for such purpose. The Company will use its best efforts to prevent the issuance of any such stop order or the occurrence of any such suspension or objection to the use of the Registration Statement and, upon such issuance, occurrence or notice of objection, to obtain as soon as possible the withdrawal of such stop order or relief from such occurrence or objection, including, if necessary, by filing an amendment to the Registration Statement or a new registration statement and using its best efforts to have such amendment or new registration statement declared effective as soon as practicable.

(b) If, at any time prior to the filing of the Final Prospectus pursuant to Rule 424(b), any event occurs as a result of which the Disclosure Package would 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 or the circumstances then prevailing not misleading, the Company will (i) notify promptly the Underwriters so that any use of the Disclosure Package may cease until it is amended or supplemented; (ii) amend or supplement the Disclosure Package to correct such statement or omission; and (iii) supply any amendment or supplement to you in such quantities as you may reasonably request.

(c) If, at any time when a prospectus relating to the Securities is required to be delivered under the Act (including in circumstances where such requirement may be satisfied pursuant to Rule 172), any event occurs as a result of which the Final Prospectus as then supplemented would 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 at such time not misleading, or if it shall be necessary to amend the Registration Statement, file a new registration statement or supplement the Final Prospectus to comply with the Act or the Exchange Act or the respective rules thereunder, including in connection with use or delivery of the Final Prospectus, the Company promptly will (i) notify the Underwriters of any such event, (ii) prepare and file with the Commission, subject to the second sentence of paragraph (a) of this Section 5, an amendment or supplement or new registration statement which will correct such statement or omission or effect such compliance, (iii) use its best efforts to have any amendment to the Registration Statement or new registration statement declared effective as soon as practicable in order to avoid any disruption in use of the Final Prospectus and (iv) supply any supplemented Final Prospectus to you in such quantities as the Underwriters may reasonably request.

(d) As soon as practicable, the Company will make generally available to its security holders and to the Underwriters an earnings statement or statements of the Company and its subsidiaries which will satisfy the provisions of Section 11(a) of the Act and Rule 158.

(e) The Company will furnish to the Underwriters and counsel for the Underwriters, without charge, signed copies of the Registration Statement (including exhibits thereto) and, so long as delivery of a prospectus by the Underwriters or dealer may be required by the Act (including in circumstances where such requirement may be satisfied pursuant to Rule 172), as many copies of each Preliminary Prospectus, the Final Prospectus and each Issuer Free Writing Prospectus and any supplement thereto as the Underwriters may reasonably request. The Company will pay the expenses of printing or other production of all documents relating to the offering.

(f) The Company will arrange, if necessary, for the qualification of the Securities for sale under the laws of such jurisdictions as the Underwriters may designate and will maintain such qualifications in effect so long as required for the distribution of the Securities; provided that in no event shall the Company be obligated to qualify to do business in any jurisdiction where it is not now so qualified or to take any action that would subject it to service of process in suits, other than those arising out of the offering or sale of the Securities, in any jurisdiction where it is not now so subject.

(g) The Company agrees that, unless it has or shall have obtained the prior written consent of the Underwriters, and the Underwriters agree with the Company that, unless it has or shall have obtained the prior written consent of the Company, they have not made and will not make any offer relating to the Securities that would constitute an Issuer Free Writing Prospectus or that would otherwise constitute a “free writing prospectus” (as defined in Rule 405) required to be filed by the Company with the Commission or retained by the Company under Rule 433; provided that the prior written consent of the parties hereto shall be deemed to have been given in respect of the Free Writing Prospectuses included in Schedule III hereto and any electronic road show. Any such free writing prospectus consented to by the Underwriters or the Company is hereinafter referred to as a “Permitted Free Writing Prospectus.” The Company agrees that (x) it has treated and will treat, as the case may be, each Permitted Free Writing Prospectus as an Issuer Free Writing Prospectus and (y) it has complied and will comply, as the case may be, with the requirements of Rules 164 and 433 applicable to any Permitted Free Writing Prospectus, including in respect of timely filing with the Commission, legending and record keeping.

(h) The Company will not, without the prior written consent of the Underwriters, offer, sell, contract to sell, pledge, or otherwise dispose of, (or enter into any transaction which is designed to, or might reasonably be expected to, result in the disposition (whether by actual disposition or effective economic disposition due to cash settlement or otherwise) by the Company or any controlled affiliate of the Company or any person in privity with the Company or any controlled affiliate of the Company) directly or indirectly, including the filing (or participation in the filing) of a registration statement with the Commission in respect of, or establish or increase a put equivalent position or liquidate or decrease a call equivalent position within the meaning of Section 16 of the Exchange Act, any other shares of Common Stock or any securities convertible into, or exercisable, or exchangeable for, shares of Common Stock (other than Operating Partnership Units); or publicly announce an intention to effect any such transaction, until the Business Day set forth on Schedule I hereto, provided, however, that

the Company may issue and sell Common Stock pursuant to any employee stock option plan, stock ownership plan or dividend reinvestment plan of the Company in effect at the Execution Time and the Company may issue Common Stock issuable upon the conversion of securities or the exercise of options or warrants, in each case, outstanding at the Execution Time, or upon the redemption of Operating Partnership Units.

(i) The Company will not take, directly or indirectly, any action designed to or that would constitute or that might reasonably be expected to cause or result in, under the Exchange Act or otherwise, stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Securities.

(j) The Company agrees to pay the costs and expenses relating to the following matters: (i) the preparation, printing or reproduction and filing with the Commission of the Registration Statement (including financial statements and exhibits thereto), each Preliminary Prospectus, the Final Prospectus and each Issuer Free Writing Prospectus, and each amendment or supplement to any of them; (ii) the printing (or reproduction) and delivery (including postage, air freight charges and charges for counting and packaging) of such copies of the Registration Statement, each Preliminary Prospectus, the Final Prospectus and each Issuer Free Writing Prospectus, and all amendments or supplements to any of them, as may, in each case, be reasonably requested for use in connection with the offering and sale of the Securities; (iii) the preparation, printing, authentication, issuance and delivery of certificates for the Securities, including any stamp or transfer taxes in connection with the original issuance and sale of the Securities; (iv) the printing (or reproduction) and delivery of this Agreement, any blue sky memorandum and all other agreements or documents printed (or reproduced) and delivered in connection with the offering of the Securities; (v) the registration of the Securities under the Exchange Act and the listing of the Securities on the New York Stock Exchange; (vi) any registration or qualification of the Securities for offer and sale under the securities or blue sky laws of the several states (including filing fees and the reasonable fees and expenses of counsel for the Underwriters relating to such registration and qualification); (vii) any filings required to be made with FINRA (including filing fees and the reasonable fees and expenses of counsel for the Underwriters relating to such filings); (viii) the transportation and other expenses incurred by or on behalf of Company representatives in connection with presentations to prospective purchasers of the Securities; (ix) the fees and expenses of the Company’s accountants and the fees and expenses of counsel (including local and special counsel) for the Company; and (x) all other costs and expenses incident to the performance by the Company of its obligations hereunder.

(k) The Company intends to operate in conformity with the requirements for qualification as a “real estate investment trust” under the Code for each of its taxable years for so long as the Board of Directors of the Company deems it in the best interests of the Company’s security holders to remain so qualified.

6. Conditions to the Obligations of the Underwriters. The obligations of the Underwriters to purchase the Underwritten Securities and the Option Securities, as the case may be, shall be subject to the accuracy of the representations and warranties on the part of the

Company contained herein as of the Execution Time, the Closing Date and, in the case of Option Securities, any settlement date pursuant to Section 3 hereof, to the accuracy of the statements of the Company made in any certificates pursuant to the provisions hereof, to the performance by the Company of its obligations hereunder and to the following additional conditions:

(a) The Final Prospectus, and any supplement thereto, have been filed in the manner and within the time period required by Rule 424(b); any material required to be filed by the Company pursuant to Rule 433(d) under the Act, shall have been filed with the Commission within the applicable time periods prescribed for such filings by Rule 433; and no stop order suspending the effectiveness of the Registration Statement or any notice objecting to its use shall have been issued and no proceedings for that purpose shall have been instituted or threatened.

(b) The Company shall have requested and caused Skadden, Arps, Slate, Xxxxxxx & Xxxx LLP, counsel for the Company, to have furnished to the Underwriters their opinion and negative assurance letter, each dated the Closing Date and addressed to the Underwriters, in form and substance reasonably satisfactory to the Underwriters.

In rendering such opinion, such counsel may rely (A) as to matters involving the application of laws of any jurisdiction other than the State of New York or the Federal laws of the United States, to the extent they deem proper and specified in such opinion, upon the opinion of other counsel of good standing whom they believe to be reliable and who are satisfactory to counsel for the Underwriters and (B) as to matters of fact, to the extent they deem proper, on certificates of responsible officers of the Company and public officials.

(c) The Company shall have requested and caused DLA Piper LLP (US), counsel for the Company, to have furnished to the Underwriters their opinion, dated the Closing Date and addressed to the Underwriters, in form and substance reasonably satisfactory to the Underwriters.

In rendering such opinion, such counsel may rely (A) as to matters involving the application of laws of any jurisdiction other than the State of Maryland or the Federal laws of the United States, to the extent they deem proper and specified in such opinion, upon the opinion of other counsel of good standing whom they believe to be reliable and who are satisfactory to counsel for the Underwriters and (B) as to matters of fact, to the extent they deem proper, on certificates of responsible officers of the Company and public officials.

(d) The Underwriters shall have received from Xxxxx Day, counsel for the Underwriters, such opinion or opinions, dated the Closing Date and addressed to the Underwriters, with respect to the issuance and sale of the Securities, the Registration Statement, the Disclosure Package, the Final Prospectus (together with any supplement thereto) and other related matters as the Underwriters may reasonably require, and the Company shall have furnished to such counsel such documents as they request for the purpose of enabling them to pass upon such matters.

(e) The Company shall have furnished to the Underwriters a certificate of the Company, signed by the Chairman of the Board or the President and the principal financial or accounting officer of the Company, dated the Closing Date, to the effect that the signers of such certificate have carefully examined the Registration Statement, the Disclosure Package, the Final Prospectus and any supplements or amendments thereto, as well as each electronic road show used in connection with the offering of the Securities, and this Agreement and that:

(i) the representations and warranties of the Company in this Agreement are true and correct on and as of the Closing Date with the same effect as if made on the Closing Date and the Company has complied with all the agreements and satisfied all the conditions on its part to be performed or satisfied at or prior to the Closing Date;

(ii) no stop order suspending the effectiveness of the Registration Statement or any notice objecting to its use has been issued and no proceedings for that purpose have been instituted or, to the Company’s knowledge, threatened; and

(iii) since the date of the most recent financial statements included or incorporated by reference in the Disclosure Package and the Final Prospectus (exclusive of any supplement thereto), there has been no material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company, the Operating Partnership and their subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Disclosure Package and the Final Prospectus (exclusive of any supplement thereto).

(f) The Company shall have requested and caused Ernst & Young LLP to have furnished to the Underwriters, at the Execution Time and at the Closing Date, letters, (which may refer to letters previously delivered to the Underwriters), dated as of the Execution Time and as of the Closing Date, respectively, in form and substance satisfactory to the 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 or incorporated by reference in the Registration Statement, the Disclosure Package and the Final Prospectus.

(g) Subsequent to the Execution Time or, if earlier, the dates as of which information is given in the Registration Statement (exclusive of any amendment thereof) and the Final Prospectus (exclusive of any amendment or supplement thereto), there shall not have been (i) any change or decrease specified in the letter or letters referred to in paragraph (e) of this Section 6 or (ii) any change, or any development involving a prospective change, in or affecting the condition (financial or otherwise), earnings, business or properties of the Company and its subsidiaries taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Disclosure Package and the Final Prospectus (exclusive of any amendment or supplement thereto) the effect of which, in any case referred to in

clause (i) or (ii) above, is, in the sole judgment of the Underwriters, so material and adverse as to make it impractical or inadvisable to proceed with the offering or delivery of the Securities as contemplated by the Registration Statement (exclusive of any amendment thereof), the Disclosure Package and the Final Prospectus (exclusive of any amendment or supplement thereto).

(h) Subsequent to the Execution Time, there shall not have been any decrease in the rating of any of the Company’s debt securities by any “nationally recognized statistical rating organization” (as defined in Section 3(a)(62) of the Exchange Act) or any notice given of any intended or potential decrease in any such rating or of a possible change in any such rating that does not indicate the direction of the possible change.

(i) Prior to the Closing Date, the Company shall have furnished to the Underwriters such further information, certificates and documents as the Underwriters may reasonably request.

(j) The Securities shall have been listed and authorized for trading on the New York Stock Exchange, and satisfactory evidence of such actions shall have been provided to the Underwriters.

(k) Prior to the Closing Date, the Company shall have furnished to the Underwriters a letter substantially in the form of Exhibit A hereto from each executive officer and director of the Company addressed to the Underwriters.

(l) The Company shall have furnished to the Underwriters a certificate of the principal financial or accounting officer of the Company, at the Execution Time and at the Closing Date, to the effect that the signer of such certificate is familiar with the accounting, operations and records systems of the Company, certifying that certain statements in identified pages of the Company’s proxy statement are, to the knowledge of the signer, accurate in all material respects and such other matters as the Underwriters shall reasonably request.

If any of the conditions specified in this Section 6 shall not have been fulfilled when and as provided in this Agreement, or if any of the opinions and certificates mentioned above or elsewhere in this Agreement shall not be reasonably satisfactory in form and substance to the Underwriters and counsel for the Underwriters, this Agreement and all obligations of the Underwriters hereunder may be canceled at, or at any time prior to, the Closing Date by the Underwriters. Notice of such cancellation shall be given to the Company in writing or by telephone or facsimile confirmed in writing.

The documents required to be delivered by this Section 6 shall be delivered at the office of Xxxxx Day, counsel for the Underwriters, at 000 Xxxx 00^xx Xxxxxx, Xxx Xxxx, Xxx Xxxx 00000, on the Closing Date.

7. Reimbursement of Underwriters’ Expenses. If the sale of the Securities provided for herein is not consummated because any condition to the obligations of the Underwriters set forth in Section 6 hereof is not satisfied, because of any termination pursuant to

Section 10 hereof or because of any refusal, inability or failure on the part of the Company to perform any agreement herein or comply with any provision hereof other than by reason of a default by any of the Underwriters, the Company will reimburse the Underwriters on demand for all expenses (including reasonable fees and disbursements of counsel) that shall have been incurred by the Underwriters in connection with the proposed purchase and sale of the Securities.

8. Indemnification and Contribution. (a) The Company and the Operating Partnership, jointly and severally, agree to indemnify and hold harmless each Underwriter, the directors, officers, employees, affiliates and agents of each Underwriter and each person who controls any Underwriter within the meaning of either the Act or the Exchange Act against any and all losses, claims, damages or liabilities, joint or several, to which they or any of them may become subject under the Act, the Exchange Act or other Federal or state statutory law or regulation, at common law or otherwise, insofar as such losses, claims, damages or liabilities (or actions in respect thereof) arise out of or are based upon any untrue statement or alleged untrue statement of a material fact contained in the registration statement for the registration of the Securities as originally filed or in any amendment thereof, or in the Base Prospectus, any Preliminary Prospectus or any other preliminary prospectus supplement relating to the Securities, the Final Prospectus, or any Issuer Free Writing Prospectus, or in any amendment thereof or supplement thereto, or arise out of or are based upon the omission or alleged omission to state therein a material fact required to be stated therein or necessary in order to make the statements therein not misleading, and agrees to reimburse each such indemnified party, as incurred, for any legal or other expenses reasonably incurred by them in connection with investigating or defending any such loss, claim, damage, liability or action; provided, however, that the Company and the Operating Partnership will not be liable in any such case to the extent that any such loss, claim, damage or liability arises out of or is based upon any such untrue statement or alleged untrue statement or omission or alleged omission made therein in reliance upon and in conformity with written information furnished to the Company by or on behalf of any Underwriter specifically for inclusion therein. This indemnity agreement will be in addition to any liability which the Company or the Operating Partnership may otherwise have.

(b) Each Underwriter, severally and not jointly, agrees to indemnify and hold harmless the Company and the Operating Partnership, each of their directors, each of their officers who signs the Registration Statement, and each person who controls the Company or the Operating Partnership within the meaning of either the Act or the Exchange Act, to the same extent as the foregoing indemnity from the Company and the Operating Partnership to each Underwriter, but only with reference to written information relating to the Underwriters furnished to the Company by or on behalf of the Underwriters specifically for inclusion in the documents referred to in the foregoing indemnity. This indemnity agreement will be in addition to any liability which any Underwriter may otherwise have. The Company and the Operating Partnership acknowledge that the statements set forth (i) in the last paragraph of the cover page regarding delivery of the Securities and (ii) under the heading “Underwriting,” the paragraph related to stabilization and syndicate covering transactions in any Preliminary Prospectus and the Final Prospectus constitute the only information furnished in writing by or on behalf of the Underwriters for inclusion in any Preliminary Prospectus, the Final Prospectus or any Issuer Free Writing Prospectus.

(c) Promptly after receipt by an indemnified party under this Section 8 of notice of the commencement of any action, such indemnified party will, if a claim in respect thereof is to be made against the indemnifying party under this Section 8, notify the indemnifying party in writing of the commencement thereof; but the failure so to notify the indemnifying party (i) will not relieve it from liability under paragraph (a) or (b) above unless and to the extent it did not otherwise learn of such action and such failure results in the forfeiture by the indemnifying party of substantial rights and defenses and (ii) will not, in any event, relieve the indemnifying party from any obligations to any indemnified party other than the indemnification obligation provided in paragraph (a) or (b) above. The indemnifying party shall be entitled to appoint counsel of the indemnifying party’s choice at the indemnifying party’s expense to represent the indemnified party in any action for which indemnification is sought (in which case the indemnifying party shall not thereafter be responsible for the fees and expenses of any separate counsel retained by the indemnified party or parties except as set forth below); provided, however, that such counsel shall be satisfactory to the indemnified party. Notwithstanding the indemnifying party’s election to appoint counsel to represent the indemnified party in an action, the indemnified party shall have the right to employ separate counsel (including local counsel), and the indemnifying party shall bear the reasonable fees, costs and expenses of such separate counsel if (i) the use of counsel chosen by the indemnifying party to represent the indemnified party would present such counsel with a conflict of interest, (ii) the actual or potential defendants in, or targets of, any such action include both the indemnified party and the indemnifying party and the indemnified party shall have reasonably concluded that there may be legal defenses available to it and/or other indemnified parties which are different from or additional to those available to the indemnifying party, (iii) 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 the institution of such action or (iv) the indemnifying party shall authorize the indemnified party to employ separate counsel at the expense of the indemnifying party. An indemnifying party will not, without the prior written consent of the indemnified parties, settle or compromise or consent to the entry of any judgment with respect to any pending or threatened claim, action, suit or proceeding in respect of which indemnification or contribution may be sought hereunder (whether or not the indemnified parties are actual or potential parties to such claim or action) unless such settlement, compromise or consent: (i) includes an unconditional release of each indemnified party from all liability arising out of such claim, action, suit or proceeding and (ii) does not include an admission of fault.

(d) In the event that the indemnity provided in paragraph (a), (b) or (c) of this Section 8 is unavailable to or insufficient to hold harmless an indemnified party for any reason, the Company, the Operating Partnership and jointly and severally, the Underwriters severally agree to contribute to the aggregate losses, claims, damages and liabilities (including legal or other expenses reasonably incurred in connection with investigating or defending the same) (collectively “Losses”) to which the Company, the Operating Partnership and the Underwriters may be subject in such proportion as is

appropriate to reflect the relative benefits received by the Company and the Operating Partnership on the one hand and by the Underwriters on the other from the offering of the Securities. If the allocation provided by the immediately preceding sentence is unavailable for any reason, the Company and the Operating Partnership, jointly and severally, and the Underwriters severally shall contribute in such proportion as is appropriate to reflect not only such relative benefits but also the relative fault of the Company and the Operating Partnership on the one hand and of the Underwriters on the other in connection with the statements or omissions which resulted in such Losses as well as any other relevant equitable considerations. Benefits received by the Company and the Operating Partnership shall be deemed to be equal to the total net proceeds from the offering (before deducting expenses) received by each of them, and benefits received by the Underwriters shall be deemed to be equal to the total underwriting discounts and commissions. Relative fault shall be determined by reference to, among other things, whether any untrue or any alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information provided by the Company or the Operating Partnership on the one hand or the Underwriters on the other, the intent of the parties and their relative knowledge, access to information and opportunity to correct or prevent such untrue statement or omission. The Company, the Operating Partnership and the Underwriters agree that it would not be just and equitable if contribution were determined by pro rata allocation or any other method of allocation which does not take account of the equitable considerations referred to above. Notwithstanding the provisions of this paragraph (d), in no event shall the Underwriters be required to contribute any amount in excess of the amount by which the total underwriting discounts and commissions received by the Underwriters with respect to the offering of the Securities exceeds the amount of any damages that the Underwriters have otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. For purposes of this Section 8, each person who controls an Underwriter within the meaning of either the Act or the Exchange Act and each director, officer, employee, affiliate and agent of an Underwriter shall have the same rights to contribution as such Underwriter, and each person who controls the Company or the Operating Partnership within the meaning of either the Act or the Exchange Act, each officer of the Company or the Operating Partnership who shall have signed the Registration Statement and each director of the Company and the Operating Partnership shall have the same rights to contribution as the Company and the Operating Partnership, subject in each case to the applicable terms and conditions of this paragraph (d).

9. Default by an Underwriter. If any Underwriter shall fail to purchase and pay for any of the Securities agreed to be purchased by such Underwriter hereunder and such failure to purchase shall constitute a default in the performance of its obligations under this Agreement, the remaining Underwriter shall be obligated to take up and pay for the Securities which the defaulting Underwriter agreed but failed to purchase; provided, however, that in the event that the aggregate amount of Securities which the defaulting Underwriter agreed but failed to purchase shall exceed 10% of the aggregate amount of Securities set forth in Schedule I

hereto, the remaining Underwriter shall have the right to purchase all, but shall not be under any obligation to purchase any, of the Securities, and if such nondefaulting Underwriter does not purchase all the Securities, this Agreement will terminate without liability to any nondefaulting Underwriter, the Operating Partnership or the Company. In the event of a default by any Underwriter as set forth in this Section 9, the Closing Date shall be postponed for such period, not exceeding five Business Days, as the Underwriters shall determine in order that the required changes in the Registration Statement and the Final Prospectus or in any other documents or arrangements may be effected. Nothing contained in this Agreement shall relieve any defaulting Underwriter of its liability, if any, to the Company and any nondefaulting Underwriter for damages occasioned by its default hereunder.

10. Termination. This Agreement shall be subject to termination in the absolute discretion of the Underwriters, by notice given to the Company prior to delivery of and payment for the Securities, if at any time prior to such delivery and payment (i) trading in the Company’s Common Stock shall have been suspended by the Commission or the New York Stock Exchange or trading in securities generally on the New York Stock Exchange shall have been suspended or limited or minimum prices shall have been established on such exchange, (ii) a banking moratorium shall have been declared either by Federal or New York State authorities, (iii) there shall have occurred a material disruption in commercial banking or securities settlement or clearance services or (iv) there shall have occurred any outbreak or escalation of hostilities, declaration by the United States of a national emergency or war, or other calamity or crisis the effect of which on financial markets is such as to make it, in the sole judgment of the Underwriters, impractical or inadvisable to proceed with the offering or delivery of the Securities as contemplated by any Preliminary Prospectus or the Final Prospectus (exclusive of any amendment or supplement thereto).

11. Representations and Indemnities to Survive. The respective agreements, representations, warranties, indemnities and other statements of the Company or its officers and of the Underwriters set forth in or made pursuant to this Agreement will remain in full force and effect, regardless of any investigation made by or on behalf of any Underwriter or the Company or any of the officers, directors, employees, affiliates, agents or controlling persons referred to in Section 8 hereof, and will survive delivery of and payment for the Securities. The provisions of Sections 7 and 8 hereof shall survive the termination or cancellation of this Agreement.

12. Notices. All communications hereunder will be in writing and effective only on receipt, and, if sent to the Underwriters, will be mailed, delivered or telefaxed to the Citigroup Global Markets Inc. General Counsel (fax no.: (000) 000-0000) and confirmed to the General Counsel, Citigroup Global Markets Inc., at 000 Xxxxxxxxx Xxxxxx, Xxx Xxxx, Xxx Xxxx, 00000, Attention: General Counsel and to KeyBanc Capital Markets Inc., at 000 Xxxxxx Xxxxxx, 0xx Xxxxx, Xxxxxxxxx, Xxxx 00000, Attention: Xxxx Hodermarksy; or, if sent to the Company, will be mailed, delivered or telefaxed to (000) 000-0000 and confirmed to it at 0000 Xxxxx Xxxxxx Xxxxxx, Xxxxx 0000, Xxxxxx, Xxxxxxxx 00000, attention of the Legal Department.

13. Successors. This Agreement will inure to the benefit of and be binding upon the parties hereto and their respective successors and the officers, directors, employees, affiliates, agents and controlling persons referred to in Section 8 hereof, and no other person will have any right or obligation hereunder.

14. No Fiduciary Duty. The Company and the Operating Partnership hereby acknowledge that (a) the purchase and sale of the Securities pursuant to this Agreement is an arm’s-length commercial transaction between the Company, on the one hand, and the Underwriters and any affiliate through which it may be acting, on the other, (b) the Underwriters are acting as principal and not as an agent or fiduciary of the Company or the Operating Partnership and (c) the Company’s engagement of the Underwriters in connection with the offering and the process leading up to the offering is as independent contractors and not in any other capacity. Furthermore, the Company and the Operating Partnership agree that they are solely responsible for making their own judgments in connection with the offering (irrespective of whether the Underwriters have advised or is currently advising the Company or the Operating Partnership on related or other matters). The Company and the Operating Partnership agree that they will not claim that the Underwriters have rendered advisory services of any nature or respect, or owes an agency, fiduciary or similar duty to the Company or the Operating Partnership, in connection with such transaction or the process leading thereto.

15. Integration. This Agreement supersedes all prior agreements and understandings (whether written or oral) between the Company and the Underwriters with respect to the subject matter hereof.

16. Applicable Law. This Agreement will be governed by and construed in accordance with the laws of the State of New York applicable to contracts made and to be performed within the State of New York.

17. Waiver of Jury Trial. The Company hereby irrevocably waives, to the fullest extent permitted by applicable law, any and all right to trial by jury in any legal proceeding arising out of or relating to this Agreement or the transactions contemplated hereby.

18. Counterparts. This Agreement may be signed in one or more counterparts, each of which shall constitute an original and all of which together shall constitute one and the same agreement.

19. Headings. The section headings used herein are for convenience only and shall not affect the construction hereof.

20. Definitions. The terms that follow, when used in this Agreement, shall have the meanings indicated.

“Act” shall mean the Securities Act of 1933, as amended, and the rules and regulations of the Commission promulgated thereunder.

“Applicable Time” shall mean 7:35 p.m. (New York City time) on January 12, 2015.

“Base Prospectus” shall mean the base prospectus referred to in paragraph 1(a) above contained in the Registration Statement at the Execution Time.

“Business Day” shall mean any day other than a Saturday, a Sunday or a legal holiday or a day on which banking institutions or trust companies are authorized or obligated by law to close in New York City.

“Commission” shall mean the Securities and Exchange Commission.

“Disclosure Package” shall mean (i) the Base Prospectus, (ii) the Preliminary Prospectus used most recently prior to the Execution Time, (iii) the Issuer Free Writing Prospectuses, if any, identified in Schedule III hereto, and (iv) any other Free Writing Prospectus that the parties hereto shall hereafter expressly agree in writing to treat as part of the Disclosure Package.

“Effective Date” shall mean each date and time that the Registration Statement and any post-effective amendment or amendments thereto became or becomes effective.

“Exchange Act” shall mean the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission promulgated thereunder.

“Execution Time” shall mean the date and time that this Agreement is executed and delivered by the parties hereto.

“Final Prospectus” shall mean the prospectus supplement relating to the Securities that was first filed pursuant to Rule 424(b) after the Execution Time, together with the Base Prospectus.

“Free Writing Prospectus” shall mean a free writing prospectus, as defined in Rule 405.

“Investment Company Act” means the Investment Company Act of 1940, as amended.

“Issuer Free Writing Prospectus” shall mean an issuer free writing prospectus, as defined in Rule 433.

“Operating Partnership” shall mean AIMCO Properties, L.P., a Delaware limited partnership, of which the Company’s wholly-owned subsidiary, AIMCO-GP, Inc., a Delaware corporation (the “OP General Partner”), is the sole general partner.

“Preliminary Prospectus” shall mean any preliminary prospectus supplement to the Base Prospectus referred to in paragraph 1(a) above which is used prior to the filing of the Final Prospectus, together with the Base Prospectus.

“Registration Statement” shall mean the registration statement referred to in paragraph 1(a) above, including exhibits and financial statements and any prospectus supplement relating to the Securities that is filed with the Commission pursuant to Rule 424(b) and deemed part of such registration statement pursuant to Rule 430B, as amended on each Effective Date and, in the event any post-effective amendment thereto becomes effective prior to the Closing Date, shall also mean such registration statement as so amended.

“Rule 158”, “Rule 163”, “Rule 164”, “Rule 172”, “Rule 405”, “Rule 415”, “Rule 424”, “Rule 430B,” “Rule 433,” “Rule 456,” “Rule 457” and “Rule 462” refer to such rules under the Act.

“Significant Subsidiary” means a “Significant Subsidiary” as defined in Rule 405.

“Subsidiary” means a corporation, general partnership, limited partnership, limited liability limited partnership, limited liability company or other entity, a majority of the outstanding voting or capital stock, partnership, membership or other voting or equity interests or general, limited or limited liability limited partnership interests, as the case may be, of which is majority owned or controlled, directly or indirectly, by the Company, the Operating Partnership or one or more other Subsidiaries of the Company or the Operating Partnership. The Operating Partnership is a Subsidiary of the Company.

“Well-Known Seasoned Issuer” shall mean a well-known seasoned issuer, as defined in Rule 405.

If the foregoing is in accordance with your understanding of our agreement, please sign and return to us the enclosed duplicate hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Company and the Underwriters.


Very truly yours,

Apartment Investment and Management Company

By:	/s/ Xxxxxx X. Xxxxxxxx
	Name:	Xxxxxx X. Xxxxxxxx
	Title:	Executive Vice President and
		Chief Financial Officer


AIMCO Properties, L.P.

By:	AIMCO-GP, Inc.
	Its general partner

By:	/s/ Xxxxxx X. Xxxxxxxx
	Name:	Xxxxxx X. Xxxxxxxx
	Title:	Executive Vice President and
		Chief Financial Officer


The foregoing Agreement is hereby confirmed and accepted as of the date specified in Schedule I hereto.

Citigroup Global Markets Inc.

By:	/s/ Xxxx Xxxxxxxxxxx
	Name:	Xxxx Xxxxxxxxxxx
	Title:	Managing Director

KeyBanc Capital Markets Inc.

By:	/s/ Xxxx Xxxxxxxx
	Name:	Xxxx Xxxxxxxx
	Title:	Managing Director

SCHEDULE I

Underwriting Agreement dated January 12, 2015

Registration Statement No. 333-195133


Underwriters:		Citigroup Global Markets Inc.
		KeyBanc Capital Markets Inc.

Title, Purchase Price and Description of Securities:

Title: Class A Common Stock

Number of Underwritten Securities to be sold by the Company: 8,200,000 shares

Number of Option Securities to be sold by the Company: 1,230,000 shares

Price per Share to the Underwriters: $38.90

Closing Date, Time and Location: January 16, 2015 at 10:00 a.m. at Xxxxx Day, 000 Xxxx 00xx Xxxxxx, Xxx Xxxx, Xxx Xxxx 00000

Type of Offering: Non-Delayed

Date referred to in Section 5(h) after which the Company may offer or sell securities issued by the Company without the consent of the Underwriters: 60 days after date of Final Prospectus

SCHEDULE II


Underwriter	Number of Underwritten Securities to be Purchased
Citigroup Global Markets Inc.		4,100,000

KeyBanc Capital Markets Inc.		4,100,000

SCHEDULE III

Schedule of Free Writing Prospectuses included in the Disclosure Package

None.


[Form of Lock-Up Agreement]		EXHIBIT A

, 2015

Citigroup Global Markets Inc.

000 Xxxxxxxxx Xxxxxx

Xxx Xxxx, Xxx Xxxx 00000

KeyBanc Capital Markets Inc.

000 Xxxxxx Xxxxxx, Xxxxxx Xxxxx

Xxxxxxxxx, Xxxx 00000

Ladies and Gentlemen:

This letter is being delivered to Citigroup Global Markets Inc. and KeyBanc Capital Markets Inc. (together, “you”) in connection with the proposed Underwriting Agreement (the “Underwriting Agreement”), among Apartment Investment and Management Company, a Maryland corporation (the “Company”), AIMCO Properties, L.P., a Delaware limited partnership, and you, as underwriters, relating to an underwritten public offering of Class A Common Stock, $.01 par value (the “Common Stock”), of the Company.

In order to induce you to enter into the Underwriting Agreement, the undersigned will not, without the prior written consent of Citigroup Global Markets Inc. and KeyBanc Capital Markets Inc., offer, sell, contract to sell, pledge or otherwise dispose of, (or enter into any transaction which is designed to, or might reasonably be expected to, result in the disposition (whether by actual disposition or effective economic disposition due to cash settlement or otherwise) by the undersigned or any affiliate of the undersigned or any person in privity with the undersigned or any affiliate of the undersigned), directly or indirectly, including the filing (or participation in the filing) of a registration statement with the Securities and Exchange Commission in respect of, or establish or increase a put equivalent position or liquidate or decrease a call equivalent position within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Securities and Exchange Commission promulgated thereunder with respect to, any shares of common stock of the Company or any securities convertible into or exercisable or exchangeable for such common stock, or publicly announce an intention to effect any such transaction, for a period (the “Lock-Up Period”) from the date hereof until 60 days after the date of the Underwriting Agreement. Notwithstanding the foregoing, nothing herein shall prohibit or restrict the following:

(i) bona fide gifts; provided, that (a) the recipient thereof agrees in writing with you to be bound by the terms of this letter and (b) any such transfer fully complies with, and is not required to be disclosed or reported (nor shall such transfer be voluntarily disclosed or reported) under, applicable law, including, but not limited to Section 16 of the Exchange Act and the rules and regulations promulgated thereunder, except for the filing on Form 5 under the Exchange Act in connection with such transfer;

(ii) transfers of common stock to members of the immediate family of the undersigned or to a trust for the benefit of the undersigned or the undersigned’s immediate

family (for purposes of this agreement, “immediate family” shall mean any relationship by blood, marriage or adoption, not more remote than first cousin); provided, that (a) the transferee thereof agrees in writing to be bound by the terms of this letter and (b) any such transfer fully complies with, and is not required to be disclosed or reported (nor shall such transfer be voluntarily disclosed or reported) under, applicable law, including, but not limited to Section 16 of the Exchange Act and the rules and regulations promulgated thereunder, except for the filing on Form 5 under the Exchange Act in connection with such transfer;

(iii) sales pursuant to a plan, contract or instruction existing prior to the date hereof that satisfies all of the requirements of Rule 10b5-1(c)(1)(i)(B) (a “Plan”);

(iv) the establishment of any Plan; provided, that no sales of common stock shall be made pursuant to such Plan prior to the expiration of the Lock-Up Period if such Plan is established after the date hereof; or

(v) the disposition of shares of common stock to satisfy any tax withholding obligations of the undersigned upon the vesting of equity awards.

This letter shall automatically terminate if the Underwriting Agreement is terminated for any reason prior to the Closing Date (as defined in the Underwriting Agreement).

Yours very truly,

[Signature of officer or director]

[Name and address of officer or director]

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Apartment Investment and Management Company 8,200,000 Shares Class A Common Stock ($.01 par value) Underwriting Agreement

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