Document:

EX-10.1

 Exhibit 10.1 
 Pursuant to 17 CFR 240.24b-2, confidential information has been omitted in places marked “* * *” and has been filed separately with the Securities and Exchange Commission pursuant to a
Confidential Treatment Application filed with the Commission. 
 SIXTH AMENDMENT AGREEMENT 

This Sixth Amendment Agreement is made effective June 19, 2012 by and among Albert Einstein College of Medicine of Yeshiva
University, a Division of Yeshiva University, a corporation organized and existing under the laws of the State of New York, having an office and place of business at 1300 Morris Park Avenue, Bronx, New York 10461 (“AECOM”), Industrial
Research Ltd., a company organized and existing under the laws of New Zealand, having an office and place of business at Gracefield Research Centre, Gracefleld Road, P.O. Box 31-310, Lower Hutt, New Zealand (“Industrial”) (AECOM and
Industrial are collectively referred to herein as “Licensors”), and BioCryst Pharmaceuticals, Inc., a corporation organized and existing under the laws of the State of Delaware having an office and place of business at 2190 Parkway Lake
Drive, Birmingham, Alabama 35244 (“Licensee”). 
 Statement 

Licensors and Licensee are parties to a License Agreement dated June 27, 2000, as amended by a First Amendment Agreement effective
July 26, 2002, a Second Amendment Agreement effective April 15, 2005, a Third Amendment Agreement effective December 11, 2009, a Fourth Amendment Agreement effective May 5, 2010 and a Fifth Amendment Agreement effective
November 17, 2011 (collectively “the License Agreement”), and now wish to further amend the License Agreement. 

NOW, THEREFORE, in consideration of the mutual covenants contained in the License Agreement and in this Sixth Amendment Agreement and
other good and valuable consideration the receipt and sufficiency of which is hereby acknowledged, the parties agree as follows: 
  

	 	1.	Paragraph 1.01 of the License Agreement is hereby amended to read in its entirety as follows: 

1.01    “Field” means (i) any use of inhibitors for human PNP that have an IC50 value less than ***, as determined by the method described in Bantia,
et al., Immunopharmacology, 35, page 54, paragraph 2.1 (1997) and (ii) any antiviral use of BCX-4430, including but not limited to prophylactic antiviral and therapeutic antiviral uses. Except for those compounds which are also
inhibitors for human PNP as described above, specifically excluded from the “Field” are inhibitors for MTAP and/or MTAN and processes for producing and using such inhibitors to inhibit MTAP and/or MTAN. An inhibitor for the human MTAP
enzyme is defined as having a Ki or Ki* value of * * * or less using the assays with human MTAP published in Biochemistry 2004, 43, 9-18, page 10. An inhibitor for the bacterial MTAN enzyme is defined as
having a Ki or Ki* value of * * * or less using the assays with E. coli MTAN published in the Journal of Biological Chemistry 2005, 280:18265-18273, page 18268. Non-limiting examples of excluded inhibitors are the compounds
listed below: 
 * * * 
  

	 	2.	The following new Paragraph 1.09 is hereby added to the License Agreement: 

 1.09    “BCX-4430” means the compound known as BCX-4430 having the
following chemical structure * * * 
 together with its isomers, positional isomers, radioisomers, salt forms, anhydrides, hydrates, polymorphs,
metabolites, prodrugs and ester forms. 
  

	 	3.	The applicable provisions of this Sixth Amendment Agreement shall be deemed to be incorporated into the License Agreement in full and to be an integral part thereof as
though fully set forth therein. With the exception of the above amendments, all other provisions of the License Agreement shall remain in full force and effect. 

 IN WITNESS WHEREOF, the parties hereto have entered into and executed this Sixth Amendment
Agreement as of the date first above written. 
  

											
	 ALBERT EINSTEIN COLLEGE OF
 MEDICINE OF YESHIVA UNIVERSITY
	  	BIOCRYST PHARMACEUTICALS, INC.	 	
						
	By:	 	 /s/ John L. Harb
	 		  	By:	 	 /s/ Alane Barnes
	 	
	Name:	 	John L. Harb	 		  	Name:	 	Alane Barnes	 	
	Title:	 	Assistant Dean Scientific Operations	  	Title:	 	VP, General Counsel	 	
				
	INDUSTRIAL RESEARCH, LTD.	  		 		 	
						
	By:	 	 /s/ Shaun Coffey
	 		  		 		 	
	Name:	 	Shaun Coffey	 		  		 		 	
	Title:	 	Chief ExecutiveRegistration Rights Agreement

 Exhibit 4.1 
 Execution Version 
 REGISTRATION RIGHTS AGREEMENT 

This Registration Rights Agreement (this “Agreement”), is made and entered into as of August 3, 2012, by and among
Apartment Trust of America, Inc., a Maryland corporation (the “Company”) and each of the Holders (as defined below) from time to time party hereto. 
 WHEREAS, the Company is party to a Master Contribution and Recapitalization Agreement dated as of August 3, 2012 (the “Master Agreement”), by and among Elco Landmark Residential
Holdings LLC, a Delaware limited liability company (“ELRH”), Elco Landmark Residential Management LLC, a Delaware limited liability company, Landmark Apartment Trust of America Holdings, L.P. (f/k/a Apartment Trust of America
Holdings, L.P.), a Virginia limited partnership (the “Operating Partnership”), and the Company. 
 WHEREAS, in
connection with the transactions contemplated by the Master Agreement, (i) the Operating Partnership has issued or may from time to time hereafter issue OPUs (as defined below) to one or more Holders and (ii) the Company has issued or may
from time to time hereafter issue shares of Common Stock (as defined below) to one or more Holders. 
 WHEREAS, the Company or
the Operating Partnership from time to time may issue additional shares of Common Stock or OPUs, respectively, in exchange for cash, property or other assets, and may permit the recipients thereof to join this Agreement as Holders in respect of such
shares or OPUs, respectively. 
 WHEREAS, in connection with the consummation of the transactions contemplated by the Master
Agreement, and pursuant to Section 7.10 of the Master Agreement, the parties desire to enter into this Agreement in order to grant certain registration rights to the Holders as set forth below. 

NOW, THEREFORE, in consideration of the foregoing and the mutual and dependent covenants hereinafter set forth, the parties agree as
follows: 
 1. Defined Terms. As used in this Agreement, the following terms shall have the following meanings:

 “Affiliate” of a Person means any other Person that directly or indirectly, through one or more
intermediaries, controls, is controlled by, or is under common control with, such Person. The term “control” (including the terms “controlled by” and “under common control with”) means the possession, directly or
indirectly, of the power to direct or cause the direction of the management and policies of a Person, whether through the ownership of voting securities, by contract or otherwise. 

“Agreement” has the meaning set forth in the preamble. 

“Board” means the board of directors of the Company (and any successor governing body of the Company or any successor of
the Company). 

  
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 “Business Day” means each day, other than a Saturday or a Sunday, that is
not a day on which banking institutions in New York are authorized or required by law, regulation or executive order to close. 

“Chosen Court” has the meaning set forth in Section 21(b). 

“Claim” means any claim or demand, or assertion of either of any claim or demand, by any Person (except for those
included in the definition of Proceeding). 
 “Commission” means the Securities and Exchange Commission or any
other federal agency administering the Securities Act and the Exchange Act at the time. 
 “Common Stock” means
the common stock, par value $0.01 per share, of the Company and any other common equity securities issued by the Company, and any other shares of stock issued or issuable with respect thereto (whether by way of a stock dividend or stock split or in
exchange for or upon conversion of such shares or otherwise in connection with a combination of shares, distribution, recapitalization, merger, consolidation or other corporate reorganization). 

“Company” has the meaning set forth in the preamble and includes the Company’s successors by merger, acquisition,
reorganization or otherwise. 
 “Demand Registration” has the meaning set forth in Section 2(b).

 “Eligible Securities” means any OPUs or shares of Common Stock issued by the Company or the Operating
Partnership from time to time: (i) in connection with the transactions contemplated by the Master Agreement, but expressly excluding (x) any securities issued pursuant to, and any shares of Common Stock issuable upon the exercise,
conversion or exchange of any securities issued pursuant to, the Cash Investment Agreement (as defined in the Master Agreement) and (y) any securities, other than shares of Common Stock, issued pursuant to Section 1.5(b) of the Master
Agreement (relating to the Andros Cash Payment Obligation (as defined therein)); or (ii) in connection with the contribution to the Company or any of its subsidiaries by any Person of any cash, property or other assets (other than in connection
with the transactions contemplated by the Master Agreement), to the extent determined by the Board. 
 “ELRH”
has the meaning set forth in the recitals. 
 “Exchange Act” means the Securities Exchange Act of 1934, as
amended, or any successor federal statute, and the rules and regulations thereunder, which shall be in effect from time to time. 
 “Governmental Authority” means any federal, state, local or foreign government or political subdivision thereof, or any agency or instrumentality of such government or political
subdivision, or any self-regulated organization or other non-governmental regulatory authority or quasi-governmental authority (to the extent that the rules, regulations or orders of such organization or authority have the force of law), or any
arbitrator, court or tribunal of competent jurisdiction. 

  
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 “Holder” means each Person other than the Company (i) that is as of
the date hereof or that becomes a party to this Agreement in connection with the issuance to such Person of Eligible Securities or (ii) that becomes a party to this Agreement as the assignee of the rights of a Holder in accordance with
Section 15, in each case, that has executed and delivered a joinder agreement in substantially the form attached hereto as Exhibit A or other written instrument in form and substance acceptable to the Company. 

“IPO” shall mean the consummation of the initial closing (without regard for any closing of any associated “green
shoe”) of the first underwritten public offering of shares of Common Stock registered under the Securities Act that occurs after the Initial Closing Date (as defined in the Master Agreement) and, in conjunction with which, such shares of Common
Stock are listed for trading on the New York Stock Exchange or the Nasdaq Stock Market. 
 “Long Form
Registration” has the meaning set forth in Section 2(a). 
 “Master Agreement” has the meaning
set forth in the recitals. 
 “OP Agreement” means the agreement of limited partnership of the Operating
Partnership, as amended and in effect from time to time. 
 “Operating Partnership” has the meaning set forth
in the recitals, and includes its successors by merger, acquisition, reorganization or otherwise. 
 “OPU” or
“OPUs” means any Common Partnership Units of the Operating Partnership (as defined in the OP Agreement), and any other limited partnership interest units issued or issuable with respect thereto (whether by way of a unit distribution
or unit split or in exchange for or upon conversion of such units or otherwise in connection with a combination of units, distribution, recapitalization, merger, consolidation or other limited partnership reorganization). 

“Parity Securities” has the meaning set forth in Section 10. 

“Person” means an individual, corporation, partnership, joint venture, limited liability company, Governmental
Authority, unincorporated organization, trust, association or other entity. 
 “Piggyback Registration” has the
meaning set forth in Section 3(a). 
 “Proceeding” means any action, claim, audit or other inquiry,
hearing, investigation, suit or other charge or proceeding (whether civil, criminal, administrative, investigative, formal or informal) by or before any Governmental Authority or before an arbitrator or arbitral body or mediator. 

“Prospectus” means the prospectus or prospectuses included in any Registration Statement, as amended or supplemented by
any prospectus supplement with respect to the terms of the offering of any portion of the Registrable Securities covered by such Registration Statement and by all other amendments and supplements to the prospectus, including post-effective
amendments and all material incorporated by reference in such prospectus or prospectuses. 

  
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 “Registrable Securities” means (a) any shares of Common Stock that are
Eligible Securities owned by the Holders, (b) any shares of Common Stock issued to the Holders upon redemption of any OPUs that are Eligible Securities owned by the Holders at any time, pursuant to the redemption provisions of the OP Agreement,
and (c) any shares of Common Stock issued or issuable with respect to any shares described in subsection (a) or (b) above by way of a stock dividend or stock split or in connection with a combination of shares, recapitalization,
merger, consolidation or other reorganization. As to any particular Registrable Securities, such securities shall cease to be Registrable Securities when (i) a Registration Statement covering such securities has been declared effective by the
Commission and such securities have been disposed of pursuant to such effective Registration Statement, (ii) such securities are sold under circumstances in which all of the applicable conditions of Rule 144 (or any similar provision then in
force) under the Securities Act are met, or (iii) such securities shall have ceased to be outstanding. In addition, as to the Registrable Securities held collectively by any particular Holder and its Affiliates, such securities shall cease to
be Registrable Securities at such time following the second anniversary of the IPO that all such securities may be sold in a single transaction pursuant to Rule 144 and such securities represent less than one percent (1%) of the then
outstanding shares of Common Stock. 
 “Registration Statement” means any registration statement of the Company
which covers any of the Registrable Securities pursuant to the provisions of this Agreement, including the Prospectus, amendments and supplements to such Registration Statement, including post-effective amendments, all exhibits and all materials
incorporated by reference in such Registration Statement. 
 “Rule 144” means Rule 144 promulgated under the
Securities Act or any successor rule thereto or any complementary rule thereto. 
 “Securities Act” means the
Securities Act of 1933, as amended, or any successor federal statute, and the rules and regulations thereunder, which shall be in effect from time to time. 
 “Selling Expenses” means all underwriting discounts, selling commissions and stock transfer taxes applicable to the sale of Registrable Securities, and fees and disbursements of counsel
for any holder of Registrable Securities, except for the reasonable fees and disbursements of counsel for the holders of Registrable Securities required to be paid by the Company pursuant to Section 6. 

“Short-Form Registration” has the meaning set forth in Section 2(b). 

2. Demand Registration. 
  

	 	(a)	 At any time after the six (6) month anniversary of an IPO, the holders of a majority of the Registrable Securities then outstanding may request
registration under the Securities Act of all or any portion of their Registrable Securities on Form S-11 or any successor form thereto (each a “Long-Form Registration”); provided that the anticipated aggregate price to the
public of the Registrable Securities for which registration is requested must be at least $15 million. Each request for a Long-Form Registration shall specify the approximate number of

  
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Registrable Securities required to be registered. Upon receipt of such request, the Company shall promptly (but in no event later than five (5) days following receipt thereof) deliver notice
of such request to all other holders of Registrable Securities who shall then have ten (10) days from the date such notice is given to notify the Company in writing of their desire to be included in such registration. The Company shall use
reasonable best efforts to file, as soon as practicable, a Registration Statement on Form S-11 (or any successor form) and to cause such Registration Statement to be declared effective by the Commission as soon as practicable thereafter. The Company
shall not be required to effect a Long-Form Registration more than two (2) times for the holders of Registrable Securities as a group; provided, that a Registration Statement shall not count as a Long-Form Registration requested under
this Section 2(a) unless and until it has become effective, and remains effective for the period required by this Agreement, and the Holders requesting such Registration Statement are able to register at least 75% of the Registrable Securities
requested to be included in such Registration Statement; and, provided, further, that the Company shall not be required to effect a Long-Form Registration if the Company is, at the time the request for registration is made or within
thirty (30) days thereafter, eligible to effect a Short-Form Registration, as provided in Section 2(b). 

  

	 	(b)	 After an IPO, the Company shall use its reasonable best efforts to qualify and remain qualified to register securities under the Securities Act
pursuant to a Registration Statement on Form S-3 or any successor form thereto. At such time as the Company shall have qualified for the use of a Registration Statement on Form S-3, at any time after the six (6) month anniversary of an IPO, the
holders of Registrable Securities shall have the right, in addition to the rights contained in Section 2(a), to request an unlimited number of registrations of their Registrable Securities on Form S-3 or any similar short-form registration
(each a “Short-Form Registration” and, together with each Long-Form Registration, a “Demand Registration”); provided, however, that the Company shall not be obligated to effect any such Short-Form
Registration (i) if the holders of Registrable Securities propose to sell Registrable Securities on Form S-3 at an anticipated aggregate price to the public of less than $1,000,000; or (ii) if the Company has effected two Short-Form
Registrations within the twelve (12) month period immediately preceding the date of such request. Each request for a Short-Form Registration shall specify the approximate number of Registrable Securities requested to be registered. Upon receipt
of any such request, the Company shall promptly (but in no event later than five (5) days following receipt thereof) deliver notice of such request to all other holders of Registrable Securities who shall then have ten (10) days from the
date such notice is given to notify the Company in writing of their desire to be included in such registration. The Company shall cause a Registration Statement on Form S-3 (or any successor form) to be filed within thirty (30) days after the
date on which the initial request is given and shall use its reasonable best efforts to cause such Registration Statement to be declared effective by the Commission as soon as practicable thereafter. With respect to any Short-Form Registration, the
holders of a majority of the Registrable Securities may request the Company to effect a registration of the Registrable 

  
 5 

 
Securities under a Registration Statement for an offering to be made on a continuous basis pursuant to Rule 415 under the Securities Act or any successor rule thereto (a “Shelf
Registration”). 
  

	 	(c)	(i) The Company shall not be obligated to effect any Demand Registration during the period that is sixty (60) days before the Company’s good faith estimate of
the date of filing of, and ending 180 days after, the effective date of a previous Demand Registration or a previous Piggyback Registration in which holders of Registrable Securities were permitted to register shares of Registrable Securities.

  

	 	(ii)	The Company may postpone for up to sixty (60) days the filing or effectiveness of a Registration Statement for a Demand Registration if (i) the Company’s
Board determines in its reasonable good faith judgment that such Demand Registration would be materially detrimental to the Company and the Board concludes, as a result, that it is essential to defer the filing or effectiveness of such Registration
Statement at such time and (ii) the Company furnishes to the holders of Registrable Securities requesting the registration a certificate signed by the Chief Executive Officer of the Company and confirming such determination of the Board. The
Company shall not delay a Demand Registration hereunder more than twice in any period of twelve consecutive months or less than sixty (60) days after the termination of the prior delay period. 

 

	 	(iii)	At any time prior to the effective date of a Registration Statement, for a Demand Registration, the holders of a majority of the Registrable Securities included therein
may withdraw such request by providing written notice of such withdrawal to the Company. A request, so withdrawn by the holders, shall count as one of the Demand Registrations permitted pursuant to Section 2(a) or Section 2(b), as
applicable, unless (i) such withdrawal arose out of the fault of the Company (in which case the Company shall be obligated to pay all registration expenses in connection with such withdrawn request), (ii) there occurs an event or series of
related events that has a material adverse effect on the business, assets, condition (financial or otherwise) or results of operations of the Company from that known to the requesting holders at the time of their request or (iii) the requesting
holders reimburse the Company for all registration expenses of such withdrawn request incurred through the date of such withdrawal. 

  

	 	(d)	If the holders of the Registrable Securities initially requesting a Demand Registration elect to distribute the Registrable Securities covered by their request in an
underwritten offering, they shall so advise the Company as a part of their request made pursuant to Section 2(a) or Section 2(b), and the Company shall include such information in its notice to the other holders of Registrable Securities.
The Company shall select the investment banking firm or firms to act as the managing underwriter or underwriters in connection with such offering. 

  
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	 	(e)	The Company shall not include in any Demand Registration any securities that are not Registrable Securities (other than Parity Securities), including any securities to
be sold for the account of the Company, without the prior written consent of the holders of a majority of the Registrable Securities requesting such registration, which consent shall not be unreasonably withheld or delayed. If a Demand Registration
involves an underwritten offering and the managing underwriter of the requested Demand Registration advises the Company and the holders of Registrable Securities in writing that in its opinion the number of shares of Common Stock proposed to be
included in the Demand Registration, including all Registrable Securities and all other shares of Common Stock proposed to be included in such underwritten offering, exceeds the number of shares of Common Stock that can be sold in such underwritten
offering and/or the number of shares of Common Stock proposed to be included in such registration would adversely affect the price per share of the Registrable Securities proposed to be sold in such underwritten offering, the Company shall include
in such Demand Registration (i) first, the number of shares of Common Stock that the holders of Registrable Securities and Parity Securities propose to sell, and (ii) second, the number of shares of Common Stock proposed to be included
therein by any other Persons (including shares of Common Stock to be sold for the account of the Company and/or other holders of Common Stock other than holders of Parity Securities) allocated among such Persons in such manner as they may agree. If
the managing underwriter determines that less than all of the Registrable Securities and Parity Securities proposed to be sold can be included in such offering, then the Registrable Securities and Parity Securities that are included in such offering
shall be allocated pro rata among the respective holders thereof on the basis of the number of Registrable Securities and Parity Securities owned by each such holder. 

3. Piggyback Registration. 
  

	 	(a)	Whenever the Company proposes to register any shares of its Common Stock under the Securities Act (other than a registration related to an employee benefit plan, a
registration related to a corporation reorganization or other transaction on Form S-4 or any successor form, or a registration form that does not permit registering the Registrable Securities for sale to the public), whether for its own account or
for the account of one or more stockholders of the Company and the form of Registration Statement to be used may be used for registration of any Registrable Securities (a “Piggyback Registration”), the Company shall give prompt
written notice (in any event no later than twenty (20) days prior to the filing of such Registration Statement) to the holders of Registrable Securities of its intention to effect such a registration and, subject to Section 3(b) and
Section 3(c), shall include in such registration all Registrable Securities with respect to which the Company has received written requests for inclusion from the holders of Registrable Securities within ten (10) days after the
Company’s notice has been given to each such holder. The Company may postpone or withdraw the filing or the effectiveness of a Piggyback Registration at any time in its sole discretion, and the expenses of such withdrawn registration shall be
borne by the Company in accordance with Section 6 hereof. A Piggyback Registration shall not be considered a Demand Registration for purposes of Section 2 of this Agreement. 

  
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	 	(b)	If a Piggyback Registration is initiated as a primary underwritten offering on behalf of the Company and the managing underwriter advises the Company and the holders of
Registrable Securities (if any holders of Registrable Securities have elected to include Registrable Securities in such Piggyback Registration) in writing that in its opinion the number of shares of Common Stock proposed to be included in such
registration, including all Registrable Securities and all other shares of Common Stock proposed to be included in such underwritten offering, exceeds the number of shares of Common Stock which can be sold in such offering and/or that the number of
shares of Common Stock proposed to be included in any such registration would adversely affect the price per share of the Common Stock to be sold in such offering, the Company shall include in such registration (i) first, the number of shares
of Common Stock that the Company proposes to sell; (ii) second, the number of shares of Common Stock requested to be included therein by holders of Registrable Securities and Parity Securities, allocated pro rata among all such holders on the
basis of the number of Registrable Securities and Parity Securities owned by each such holder or in such manner as they may otherwise agree; and (iii) third, the number of shares of Common Stock requested to be included therein by holders of
Common Stock (other than holders of Registrable Securities and Parity Securities), allocated among such holders in such manner as they may agree; provided, that in any event the holders of Registrable Securities and Parity Securities shall be
entitled to register at least 20% of the securities to be included in any such registration. 

  

	 	(c)	If a Piggyback Registration is initiated as an underwritten offering on behalf of a holder of Common Stock other than Registrable Securities, and the managing
underwriter advises the Company in writing that in its opinion the number of shares of Common Stock proposed to be included in such registration, including all Registrable Securities and all other shares of Common Stock proposed to be included in
such underwritten offering, exceeds the number of shares of Common Stock that can be sold in such offering and/or that the number of shares of Common Stock proposed to be included in any such registration would adversely affect the price per share
of the Common Stock to be sold in such offering, the Company shall include in such registration (i) first, the number of shares of Common Stock requested to be included therein by the holder(s) requesting such registration and by the holders of
Registrable Securities and Parity Securities, allocated pro rata among such holders on the basis of the number of shares of Common Stock (on a fully diluted, as converted basis) and the number of Registrable Securities and Parity Securities, as
applicable, owned by all such holders or in such manner as they may otherwise agree; and (ii) second, the number of shares of Common Stock requested to be included therein by other holders of Common Stock, allocated among such holders in such
manner as they may agree. 

  
 8 

	 	(d)	If any Piggyback Registration is initiated as a primary underwritten offering on behalf of the Company, the Company shall select the investment banking firm or firms to
act as the managing underwriter or underwriters in connection with such offering. The right of any holder to registration pursuant to this Section 3 shall be conditioned upon such holder’s participation in such underwriting and the
inclusion of such holder’s Registrable Securities in the underwriting to the extent provided herein. All holders of Registrable Securities proposing to distribute their securities through such underwriting shall (together with the Company and
the other holders of securities of the Company with registration rights to participate therein distributing their securities through such underwriting) enter into an underwriting agreement in customary form with the representative of the underwriter
or underwriters selected by the Company. 

 4. Lock-up Agreement. Each holder of Registrable Securities
agrees that in connection with any public offering of the Company’s Common Stock or other equity securities in which such holder is participating, and upon the request of the managing underwriter in such offering, such holder shall not, without
the prior written consent of such managing underwriter, during the period commencing on the effective date of such registration and ending on the date specified by such managing underwriter (such period not to exceed 90 days), (a) offer,
pledge, sell, contract to sell, grant any option or contract to purchase, purchase any option or contract to sell, hedge the beneficial ownership of or otherwise dispose of, directly or indirectly, any shares of Common Stock or any securities
convertible into, exercisable for or exchangeable for shares of Common Stock, held immediately before the effectiveness of the registration statement for such offering, or (b) enter into any swap or other arrangement that transfers to another,
in whole or in part, any of the economic consequences of ownership of such securities, whether any such transaction described in clause (a) or (b) above is to be settled by delivery of Common Stock or such other securities, in cash or
otherwise; provided, however, that such 90-day period may be extended for such period as may be reasonably requested by the Company or an underwriter to accommodate regulatory restrictions on (1) the publication or other
distribution of research reports and (2) analyst recommendations and opinions, including, but not limited to, the restrictions contained in FINRA Rule 2711(f)(4) or NYSE Rule 472(f)(4), or any successor provisions or amendments thereto. The
foregoing provisions of this Section 4 shall not apply to sales of Registrable Securities to be included in such offering pursuant to Section 2(a), Section 2(b) or Section 3(a), and shall be applicable to the holders of
Registrable Securities only if all officers and directors of the Company and all stockholders owning more than one percent (1%) of the Company’s outstanding Common Stock are subject to the same restrictions. Each holder of Registrable
Securities agrees to execute and deliver such other agreements as may be reasonably requested by the Company or the managing underwriter which are consistent with the foregoing or which are necessary to give further effect thereto. Notwithstanding
anything to the contrary contained in this Section 4, each holder of Registrable Securities shall be released, pro rata, from any lock-up agreement entered into pursuant to this Section 4 in the event and to the extent that the managing
underwriter or the Company permit any discretionary waiver or termination of the restrictions of any lock-up agreement pertaining to any officer, director or holder of greater than one percent (1%) of the outstanding Common Stock. Each holder
of Registrable Securities included in the Registration Statement agrees to execute such agreements as may reasonably be requested by the representative of the underwriters that are necessary to give effect to this Section 4. 

  
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 5. Registration Procedures. If and whenever the holders of Registrable Securities
request that any Registrable Securities be registered pursuant to the provisions of this Agreement, the Company shall use its reasonable best efforts to effect the registration and the sale of such Registrable Securities in accordance with the
intended method of disposition thereof, and pursuant thereto the Company shall as soon as reasonably practicable: 
  

	 	(a)	subject to Section 2(a) and Section 2(b), prepare and file with the Commission a Registration Statement with respect to such Registrable Securities and use
its reasonable best efforts to cause such Registration Statement to become effective; 

  

	 	(b)	prepare and file with the Commission such amendments, post-effective amendments and supplements to such Registration Statement and the Prospectus used in connection
therewith as may be necessary to keep such Registration Statement effective for a period of not less than 180 days (or in the case of any Shelf Registration, for the maximum offering period permitted under Rule 415), or if earlier, until all of such
Registrable Securities have been disposed of and to comply with the provisions of the Securities Act with respect to the disposition of such Registrable Securities in accordance with the intended methods of disposition set forth in such Registration
Statement; 

  

	 	(c)	within a reasonable time before filing such Registration Statement, Prospectus or amendments or supplements thereto, furnish to one counsel selected by holders of a
majority of such Registrable Securities copies of such documents proposed to be filed, which documents shall be subject to the review, comment and approval of such counsel; provided, that the Company shall not have any obligation to modify
any information if the Company reasonably expects that so doing would cause the Registration Statement, Prospectus or any amendment or supplement thereto to contain an untrue statement of a material fact or omit to state any material fact required
to be stated therein or necessary to make the statement therein not misleading. 

  

	 	(d)	notify each selling holder of Registrable Securities, promptly after the Company receives notice thereof, of the time when such Registration Statement has been declared
effective or a supplement to any Prospectus forming a part of such Registration Statement has been filed; 

  

	 	(e)	furnish to each selling holder of Registrable Securities such number of copies of the Prospectus included in such Registration Statement (including each preliminary
Prospectus) and any supplement thereto (in each case including all exhibits and documents incorporated by reference therein) and such other documents as such seller may reasonably request in order to facilitate the disposition of the Registrable
Securities owned by such seller; 

  

	 	(f)	 use its reasonable best efforts to register or qualify such Registrable Securities under such other securities or “blue sky” laws of such
jurisdictions as any selling holder reasonably requests and do any and all other acts and things which may be reasonably necessary or advisable to enable such holders to consummate the

  
 10 

	 	
disposition in such jurisdictions of the Registrable Securities owned by such holders; provided, that the Company shall not be required to qualify generally to do business, subject itself
to general taxation or consent to general service of process in any jurisdiction where it would not otherwise be required to do so but for this Section 5(f); 

 

	 	(g)	notify each selling holder of such Registrable Securities, at any time when a Prospectus relating thereto is required to be delivered under the Securities Act, of the
happening of any event as a result of which the Prospectus included in such Registration Statement contains an untrue statement of a material fact or omits any fact necessary to make the statements therein not misleading in light of the
circumstances then existing, and, at the request of any such holder, the Company shall as soon as practicable prepare a supplement or amendment to such Prospectus so that, as thereafter delivered to the purchasers of such Registrable Securities,
such Prospectus shall not contain an untrue statement of a material fact or omit to state any fact necessary to make the statements therein not misleading in light of the circumstances then existing; provided, that each selling holder of such
Registrable Securities, upon receipt of any notice from the Company of any event of the kind described in this Section 5(g) hereof, shall forthwith discontinue disposition of such Registrable Securities pursuant to the Registration Statement
covering such Registrable Securities until such holder is advised in writing by the Company that the use of the Prospectus may be resumed and is furnished with a supplemented or amended Prospectus as contemplated by this Section 5(g), and if so
directed by the Company, such holder shall deliver to the Company (at the Company’s expense) all copies, other than permanent file copies then in such holder’s possession, of the Prospectus covering such Registrable Securities at the time
of receipt of such notice; and provided, further, that if the Company shall give any notice to suspend the disposition of Registrable Securities pursuant to a Prospectus (a “Suspension Notice”), the Company shall
extend the period of time during which the Company is required to maintain the Registration Statement effective pursuant to this Agreement by the number of days during the period from and including the date of the giving of such Suspension Notice to
and including the date such holder either is advised by the Company that the use of the Prospectus may be resumed or receives the copies of the supplemented or amended Prospectus contemplated by this Section 5(g); 

 

	 	(h)	make available for inspection by any selling holder of Registrable Securities, any underwriter participating in any disposition pursuant to such Registration Statement
and any attorney, accountant or other agent retained by any such holder or underwriter (collectively, the “Inspectors”), all financial and other records, pertinent corporate documents and properties of the Company (collectively, the
“Records”), and cause the Company’s officers, directors and employees to supply all information reasonably requested by any such Inspector in connection with such Registration Statement; provided, however, that
the Company’s obligations under this Section 5(h) shall not apply to any material nonpublic information of the Company unless expressly and reasonably requested by any such Inspector, in which event the Company shall make such requested
material nonpublic 

  
 11 

	 	
information available to such Inspector, subject to the execution by or on behalf of such Inspector of a customary confidentiality agreement in favor of the Company in form and substance
reasonably acceptable to the Company; 

  

	 	(i)	provide a transfer agent and registrar (which may be the same entity) for all such Registrable Securities not later than the effective date of such registration;

  

	 	(j)	use its reasonable best efforts to cause such Registrable Securities to be listed on each securities exchange on which the Common Stock is then listed;

  

	 	(k)	in connection with an underwritten offering, enter into such customary agreements (including underwriting and lock-up agreements in customary form) and take all such
other customary actions as the holders of such Registrable Securities or the managing underwriter of such offering reasonably request in order to expedite or facilitate the disposition of such Registrable Securities (including, without limitation,
making appropriate officers of the Company available to participate in “road show” and other customary marketing activities (including one-on-one meetings with prospective purchasers of the Registrable Securities);

  

	 	(l)	otherwise use its reasonable best efforts to comply with all applicable rules and regulations of the Commission and make available to its stockholders an earnings
statement (in a form that satisfies the provisions of Section 11(a) of the Securities Act and Rule 158 thereunder) no later than thirty (30) days after the end of the 12-month period beginning with the first day of the Company’s first
full fiscal quarter after the effective date of such Registration Statement, which earnings statement shall cover said 12-month period, and which requirement will be deemed to be satisfied if the Company timely files complete and accurate
information on Forms 10-Q, 10-K and 8-K under the Exchange Act and otherwise complies with Rule 158 under the Securities Act; and 

  

	 	(m)	if required to be delivered to the underwriters for an underwritten offering, furnish each selling holder of Registrable Securities and each underwriter, if any, with
(i) a legal opinion of the Company’s outside counsel, dated the effective date of such Registration Statement (and, if such registration includes an underwritten public offering, dated the date of the closing under the underwriting
agreement), in form and substance as is customarily given in opinions of the Company’s counsel to underwriters in underwritten public offerings; and (ii) a “comfort” letter signed by the Company’s independent certified
public accountants in form and substance as is customarily given in accountants’ letters to underwriters in underwritten public offerings; 

  

	 	(n)	without limiting Section 5(f) above, use its reasonable best efforts to cause such Registrable Securities to be registered with or approved by such other
governmental agencies or authorities as may be necessary by virtue of the business and operations of the Company to enable the holders of such Registrable Securities to consummate the disposition of such Registrable Securities in accordance with
their intended method of distribution thereof; 

  
 12 

	 	(o)	notify the holders of Registrable Securities promptly of any request by the Commission for the amending or supplementing of such Registration Statement or Prospectus or
for additional information; 

  

	 	(p)	advise the holders of Registrable Securities, promptly after it shall receive notice or obtain knowledge thereof, of the issuance of any stop order by the Commission
suspending the effectiveness of such Registration Statement or the initiation or threatening of any proceeding for such purpose and promptly use its reasonable best efforts to prevent the issuance of any stop order or to obtain its withdrawal at the
earliest possible moment if such stop order should be issued; 

  

	 	(q)	permit any holder of Registrable Securities which holder, in its sole and exclusive judgment, might be deemed to be an underwriter or a controlling person of the
Company, to participate in the preparation of such Registration Statement, and reasonably consider the insertion therein of language, furnished to the Company in writing, which in the reasonable judgment of such holder and its counsel should be
included; 

  

	 	(r)	otherwise use its reasonable best efforts to take all other steps necessary to effect the registration of such Registrable Securities contemplated hereby;

  

	 	(s)	Notwithstanding the provisions of this Section 5, the Company shall be entitled to postpone or suspend, for a reasonable period of time, the effectiveness or use
of, or trading under, any Registration Statement if the Company shall determine that the sale of any securities pursuant to such Registration Statement would in the good faith judgment of the Board of Directors of the Company:

  

	 	(i)	materially impede, delay or interfere with any material pending or proposed financing, acquisition, corporate reorganization or other similar transaction involving the
Company for which the Board has authorized negotiations; 

  

	 	(ii)	materially adversely impair the consummation of any pending or proposed material offering or sale of any class of securities by the Company; or

  

	 	(iii)	require disclosure of material non-public information that, if disclosed at such time, would be materially harmful to the interests of the Company and its stockholders;
provided, however, that during any such period all executive officers and directors of the Company are also prohibited from selling securities of the Company (or any security of any of the Company’s subsidiaries or affiliates).

 In the event of the postponement of effectiveness or suspension of use of any Registration Statement pursuant
to this Section 5(s), the applicable time period during which such Registration Statement is to remain effective shall be extended by that number of days equal to the number of days of the postponement or suspension period. 

  
 13 

 6. Expenses. All expenses (other than Selling Expenses) incurred by the Company in
complying with its obligations pursuant to this Agreement and in connection with the registration and disposition of Registrable Securities, including, without limitation, all registration and filing fees, underwriting expenses (other than fees,
commissions or discounts), expenses of any audits incident to or required by any such registration, fees and expenses of complying with securities and “blue sky” laws, printing expenses, fees and expenses of the Company’s counsel and
accountants, and reasonable fees and expenses of one counsel for the holders of Registrable Securities participating in such registration as a group (selected by, in the case of a registration under Section 2(a) or Section 2(b), the
holders of a majority of the Registrable Securities initially requesting such registration, and, in the case of all other registrations hereunder, the holders of a majority of the Registrable Securities included in the registration), shall be paid
by the Company. All Selling Expenses relating to Registrable Securities registered pursuant to this Agreement shall be borne and paid by the holders of such Registrable Securities, in proportion to the number of Registrable Securities registered for
each such holder. 
 7. Indemnification. 
  

	 	(a)	The Company shall indemnify and hold harmless, to the fullest extent permitted by law, each holder of Registrable Securities, such holder’s officers, directors,
managers, members, partners, stockholders and Affiliates, each underwriter, if any, and each other Person, if any, who controls any of the foregoing Persons within the meaning of Section 15 of the Securities Act or Section 20 of the
Exchange Act, against all losses, claims, actions, damages, liabilities and expenses, joint or several, to which any of the foregoing Persons may become subject under the Securities Act or otherwise, insofar as such losses, claims, actions, damages,
liabilities or expenses arise out of or are based upon any untrue or alleged untrue statement of a material fact contained in any Registration Statement, Prospectus, preliminary Prospectus, free writing prospectus (as defined in Rule 405 promulgated
under the Securities Act) or any amendment thereof or supplement thereto or any omission or alleged omission of a material fact required to be stated therein or necessary to make the statements therein not misleading, or any violation or alleged
violation by the Company of the Securities Act or any other federal or state securities laws or any rule or regulation promulgated thereunder applicable to the Company and relating to action or inaction required of the Company in connection with any
such registration, qualification or compliance; and shall reimburse such Persons for any legal or other expenses reasonably incurred by any of them in connection with investigating or defending any such loss, claim, action, damage or liability,
except insofar as the same arise out of or are based upon any information furnished in writing to the Company by such holder expressly for use therein. 

  

	 	(b)	 In connection with any registration in which one or more holders of Registrable Securities is participating, each such holder, to the fullest extent
permitted by law, 

  
 14 

	 	
shall indemnify and hold harmless, the Company, each director of the Company, each officer of the Company who shall sign such Registration Statement, each underwriter, if any, and each Person who
controls any of the foregoing Persons within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act against any losses, claims, actions, damages, liabilities or expenses resulting from any untrue or alleged
untrue statement of material fact contained in the Registration Statement, Prospectus, preliminary Prospectus, free writing prospectus (as defined in Rule 405 promulgated under the Securities Act) or any amendment thereof or supplement thereto or
any omission or alleged omission of a material fact required to be stated therein or necessary to make the statements therein not misleading, and shall reimburse such Persons for any legal or other expenses reasonably incurred by any of them in
connection with investigating or defending any such loss, claim, action, damage or liability in each case to the extent, but only to the extent, that such untrue statement or omission is made in reliance upon and in conformity with any written
information so furnished by such holder and stated to be specifically for use in any such Registration Statement, Prospectus, preliminary Prospectus, free writing prospectus or any amendment or supplement thereto; provided, that the
obligation to indemnify shall be several, not joint and several, for each holder and shall be limited to the net proceeds (after underwriting fees, commissions or discounts) actually received by such holder from the sale of Registrable Securities
pursuant to such Registration Statement. 

  

	 	(c)	Promptly after receipt by an indemnified party of notice of the commencement of any action involving a claim referred to in this Section 7, such indemnified party
shall, if a claim in respect thereof is made against an indemnifying party, give written notice to the latter of the commencement of such action. The failure of any indemnified party to notify an indemnifying party of any such action shall not
(unless such failure shall have a material adverse effect on the indemnifying party) relieve the indemnifying party from any liability in respect of such action that it may have to such indemnified party hereunder. In case any such action is brought
against an indemnified party, the indemnifying party shall be entitled to participate in and to assume the defense of the claims in any such action that are subject or potentially subject to indemnification hereunder, jointly with any other
indemnifying party similarly notified to the extent that it may wish, with counsel reasonably satisfactory to such indemnified party, and after written notice from the indemnifying party to such indemnified party of its election so to assume the
defense thereof, the indemnifying party shall not be responsible for any legal or other expenses subsequently incurred by the indemnified party in connection with the defense thereof; provided, that if (i) any indemnified party shall
have reasonably concluded that there may be one or more legal or equitable defenses available to such indemnified party which are additional to or conflict with those available to the indemnifying party, or that such claim or litigation involves or
could have an effect upon matters beyond the scope of the indemnity provided hereunder, or (ii) such action seeks an injunction or equitable relief against any indemnified party or involves actual or alleged criminal activity, the indemnifying
party shall not have the right to assume the defense of such action on behalf of 

  
 15 

	 	
such indemnified party without such indemnified party’s prior written consent (but, without such consent, shall have the right to participate therein with counsel of its choice) and such
indemnifying party shall reimburse such indemnified party and any Person controlling such indemnified party for that portion of the fees and expenses of any counsel retained by the indemnified party which is reasonably related to the matters covered
by the indemnity provided hereunder. If the indemnifying party is not entitled to, or elects not to, assume the defense of a claim, it shall not be obligated to pay the fees and expenses of more than one counsel for all parties indemnified by such
indemnifying party with respect to such claim, unless in the reasonable judgment of any indemnified party a conflict of interest may exist between such indemnified party and any other of such indemnified parties with respect to such claim. In such
instance, the conflicting indemnified parties shall have a right to retain one separate counsel, chosen by the holders of a majority of the Registrable Securities included in the registration, at the expense of the indemnifying party.

  

	 	(d)	No indemnifying party, in the defense of any such claim or litigation, shall, except with the consent of each indemnified party, consent to entry of any judgment or
enter into any settlement that does not include as an unconditional term thereof the giving by the claimant or plaintiff to such indemnified party of a release from all liability in respect to such claim or litigation. Each indemnified party shall
furnish such information regarding itself or the claim in question as an indemnifying party may reasonably request in writing and as shall be reasonably required in connection with defense of such claim and litigation resulting therefrom.

  

	 	(e)	If the indemnification provided for hereunder is held by a court of competent jurisdiction to be unavailable to an indemnified party with respect to any loss, claim,
damage, liability or action referred to herein, then the indemnifying party, in lieu of indemnifying such indemnified party hereunder, shall contribute to the amounts paid or payable by such indemnified party as a result of such loss, claim, damage,
liability or action in such proportion as is appropriate to reflect the relative fault of the indemnifying party on the one hand and of the indemnified party on the other in connection with the statements or omissions which resulted in such loss,
claim, damage, liability or action as well as any other relevant equitable considerations; provided, that the maximum amount of liability in respect of such contribution shall be limited, in the case of each holder of Registrable Securities,
to an amount equal to the net proceeds (after underwriting fees, commissions or discounts) actually received by such seller from the sale of Registrable Securities effected pursuant to such registration. The relative fault of the indemnifying party
and of the indemnified party shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by
the indemnifying party or by the indemnified party and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. The parties agree that it would not be just and equitable if
contribution pursuant hereto were 

  
 16 

	 	
determined by pro rata allocation or by any other method or allocation which does not take account of the equitable considerations referred to herein. No Person guilty or liable of fraudulent
misrepresentation shall be entitled to contribution from any Person. 

  

	 	(f)	Notwithstanding the foregoing, to the extent that the provisions on indemnification and contribution contained in the underwriting agreement entered into in connection
with the underwritten public offering are in conflict with the foregoing provisions, the provisions in the underwriting agreement shall control. 

 8. Participation in Underwritten Registrations. No Person may participate in any registration hereunder which is underwritten unless such Person (a) agrees to sell such Person’s
securities on the basis provided in any underwriting arrangements approved by the Person or Persons entitled hereunder to approve such arrangements and (b) completes and executes all questionnaires, powers of attorney, indemnities, underwriting
agreements and other documents required under the terms of such underwriting arrangements; provided, that no holder of Registrable Securities included in any underwritten registration shall be required to make any representations or
warranties to the Company or the underwriters (other than representations and warranties regarding such holder, such holder’s ownership of its shares of Common Stock to be sold in the offering and such holder’s intended method of
distribution) or to undertake any indemnification obligations to the Company or the underwriters with respect thereto, except as otherwise provided in Section 7. 
 9. Rule 144 Compliance. With a view to making available to the holders of Registrable Securities the benefits of Rule 144 under the Securities Act and any other rule or regulation of the Commission
that may at any time permit a holder to sell securities of the Company to the public without registration or, following the IPO, pursuant to a registration on Form S-3 (or any successor form), the Company shall: 

 

	 	(a)	make and keep public information available, as those terms are understood and defined in Rule 144 under the Securities Act, at all times after the Registration Date;

  

	 	(b)	file with the Commission in a timely manner all reports and other documents required of the Company under the Securities Act and the Exchange Act; and

  

	 	(c)	furnish to any holder so long as the holder owns Registrable Securities, promptly upon request, a written statement by the Company as to its compliance with the
reporting requirements of Rule 144 under the Securities Act and of the Securities Act and the Exchange Act, a copy of the most recent annual or quarterly report of the Company, and such other reports and documents so filed or furnished by the
Company as such holder may reasonably request in connection with the sale of Registrable Securities without registration; provided, however, that any such document’s availability on the Commission’s Electronic Data Gathering
Analysis and Retrieval (EDGAR) System database (or any successor thereto) shall satisfy such obligation. 

  
 17 

 10. Preservation of Rights. The Company shall not (a) grant any registration
rights to third parties which are preferential to, or more favorable than or inconsistent with the rights granted hereunder, or (b) enter into any agreement, take any action, or permit any change to occur, with respect to its securities that
violates or subordinates the rights expressly granted to the holders of Registrable Securities in this Agreement. The Holders acknowledge that (i) the Company from time to time may enter into one or more agreements (whether contained within the
OP Agreement or separate therefrom) granting registration rights to Persons receiving shares of Common Stock (or OPUs or other securities convertible into, or exchangeable or exercisable for, shares of Common Stock), including, without limitation,
in connection with the transactions contemplated by the Master Agreement and the Cash Investment Agreement (as defined therein); and (ii) such other registration rights shall be pari passu with the registration rights of the holders of
Registrable Securities hereunder (including, without limitation, with respect to priority of inclusion of securities in any Registration). Any such securities that are the subject of such pari passu registration rights are referred to herein as
“Parity Securities.” 
 11. Termination. This Agreement shall terminate and be of no further force or
effect when there shall no longer be any Registrable Securities outstanding or, if earlier, upon the tenth (10th) anniversary of the date of this Agreement; provided, that the provisions of Section 6 and Section 7 shall survive
any such termination. 
 12. Aggregation of Securities. All shares of Registrable Securities or Parity Securities held or
acquired by a Holder and its Affiliates shall be aggregated together for the purpose of determining the availability of any rights under this Agreement and such Persons may apportion such rights as among themselves in any manner they deem
appropriate. 
 13. Notices. All notices, requests, consents, claims, demands, waivers and other communications hereunder
shall be in writing and shall be deemed to have been given (a) when delivered by hand (with written confirmation of receipt); (b) when received by the addressee if sent by a nationally recognized overnight courier (receipt requested);
(c) on the date sent by facsimile or e-mail of a PDF document (with confirmation of transmission) if sent during normal business hours of the recipient, and on the next Business Day if sent after normal business hours of the recipient or
(d) on the third day after the date mailed, by certified or registered mail, return receipt requested, postage prepaid. Such communications must be sent to the respective parties at the addresses indicated below or, in the case of any Holder
not listed below, at such Holder’s address as maintained in the records of the Corporation or the Operating Partnership (or at such other address for a party as shall be specified in a notice given in accordance with this Section 13).

 If to the Company, to: 
 Landmark Apartment Trust of America, Inc. 
 4901 Dickens Road, Suite 101

 Richmond, Virginia 23230 
 Attention: Stanley J. Olander, Jr. 
 Fax: (804) 237-1345 

Email: jolander@atareit.com 

  
 18 

 with a copy to (which shall not constitute notice): 

Hunton & Williams LLP 
 Riverfront Plaza, East Tower 
 951 East Byrd Street 

Richmond, Virginia 23219 
 Attention: Daniel M. LeBey, Esq. 
 Fax: (804) 788-8218 

Email: dlebey@hunton.com 
 If to ELRH or any Affiliate thereof at any time a Holder: 
 Elco Landmark
Residential Holdings LLC 
 825 Parkway Street 
 Jupiter, Florida 33477 
 Attention: Joseph Lubeck, Chief Executive Officer

 Fax: (561) 745-8745 
 Email: jlubeck@landmarkresidential.com 
 with a copy to (which shall not
constitute notice): 
 Goulston & Storrs P.C. 

750 Third Avenue 

New York, New York 10017 
 Attention: Yaacov M. Gross, Esq. 
 Fax: (212) 878-5527 

Email: ygross@goulstonstorrs.com 
 14. Entire Agreement. This Agreement, together with the Master Agreement and the other Transaction Agreements (as defined therein) and any related exhibits and schedules hereto and thereto,
constitutes the sole and entire agreement of the parties to this Agreement with respect to the subject matter contained herein, and supersedes all prior and contemporaneous understandings and agreements, both written and oral, with respect to such
subject matter. Notwithstanding the foregoing, in the event of any conflict between the terms and provisions of this Agreement and those of the Master Agreement or any other Transaction Agreement (as defined therein), the terms and conditions of
this Agreement shall control. 
 15. Successor and Assigns. This Agreement shall be binding upon and shall inure to the
benefit of the parties hereto and their respective successors and permitted assigns. Each Holder may assign its rights hereunder to any purchaser or transferee of at least 100,000 shares of Registrable Securities (as presently constituted and
subject to subsequent adjustments for stock splits, stock dividends, reverse stock splits and the like); provided, that such purchaser or transferee shall, as a condition to the effectiveness of such assignment, be required to execute a
counterpart to this Agreement agreeing to be treated as a Holder whereupon such purchaser or transferee shall have the benefits of, and shall be subject to the restrictions contained in, this Agreement as if such purchaser or transferee was
originally included in the definition of a Holder herein and had originally been a party hereto. 

  
 19 

 16. No Third-Party Beneficiaries. This Agreement is for the sole benefit of the
parties hereto and their respective successors and permitted assigns and nothing herein, express or implied, is intended to or shall confer upon any other Person any legal or equitable right, benefit or remedy of any nature whatsoever, under or by
reason of this Agreement. 
 17. Headings. The headings in this Agreement are for reference only and shall not affect the
interpretation of this Agreement. 
 18. Amendment, Modification and Waiver. The provisions of this Agreement may only be
amended, modified, supplemented or waived with the prior written consent of the Company and the holders of a majority of the Registrable Securities. No waiver by any party or parties shall operate or be construed as a waiver in respect of any
failure, breach or default not expressly identified by such written waiver, whether of a similar or different character, and whether occurring before or after that waiver. Except as otherwise set forth in this Agreement, no failure to exercise, or
delay in exercising, any right, remedy, power or privilege arising from this Agreement shall operate or be construed as a waiver thereof; nor shall any single or partial exercise of any right, remedy, power or privilege hereunder preclude any other
or further exercise thereof or the exercise of any other right, remedy, power or privilege. 
 19. Severability. If any
term or provision of this Agreement is invalid, illegal or unenforceable in any jurisdiction, such invalidity, illegality or unenforceability shall not affect any other term or provision of this Agreement or invalidate or render unenforceable such
term or provision in any other jurisdiction. Upon such determination that any term or other provision is invalid, illegal or unenforceable, the parties hereto shall negotiate in good faith to modify this Agreement so as to effect the original intent
of the parties as closely as possible in a mutually acceptable manner in order that the transactions contemplated hereby be consummated as originally contemplated to the greatest extent possible. 

20. Remedies. Each holder of Registrable Securities, in addition to being entitled to exercise all rights granted by law,
including recovery of damages, shall be entitled to specific performance of its rights under this Agreement. The Company acknowledges that monetary damages would not be adequate compensation for any loss incurred by reason of a breach by it of the
provisions of this Agreement and the Company hereby agrees to waive the defense in any action for specific performance that a remedy at law would be adequate. 
 21. Governing Law; Jurisdiction and Venue. 
  

	 	(a)	This Agreement shall be governed by and construed in accordance with, the laws of the State of New York without regard, to the fullest extent permitted by law, to the
conflicts of laws provisions thereof (other than Sections 5-1401 and 5-1042 of the New York General Obligation Law). 

  

	 	(b)	 Each party agrees that any Proceeding for any Claim arising out of or related to this Agreement or the Transactions (as defined in the Master
Agreement), whether in tort or contract or at law or in equity, shall be brought only in either the United States District Court for the Eastern District of New York or in a New York state court sitting in New York, New York (each, a “Chosen
Court”), and each Party 

  
 20 

	 	
irrevocably (a) submits to the jurisdiction of the Chosen Courts (and of their appropriate appellate courts), (b) waives any objection to laying venue in any such Proceeding in either
Chosen Court, (c) waives any objection that such Chosen Court is an inconvenient forum for the Proceeding, and (d) agrees that, in addition to other methods of service provided by law, service of process in any such Proceeding shall be
effective if provided in accordance with Section 13, and the effective date of such service of process shall be as set forth in Section 13 

 22. Waiver of Jury Trial. Each party acknowledges and agrees that any controversy which may arise under this Agreement is likely to involve complicated and difficult issues and, therefore, each
such party irrevocably and unconditionally waives any right it may have to a trial by jury in respect of any legal action arising out of or relating to this Agreement or the transactions contemplated hereby. Each party to this Agreement certifies
and acknowledges that (a) no representative of any other party has represented, expressly or otherwise, that such other party would not seek to enforce the foregoing waiver in the event of a legal action, (b) such party has considered the
implications of this waiver, (c) such party makes this waiver voluntarily, and (d) such party has been induced to enter into this Agreement by, among other things, the mutual waivers and certifications in this Section 22. 

23. Counterparts. This Agreement may be executed in counterparts, each of which shall be deemed an original, but all of which
together shall be deemed to be one and the same agreement. A signed copy of this Agreement delivered by facsimile, e-mail or other means of electronic transmission shall be deemed to have the same legal effect as delivery of an original signed copy
of this Agreement. 
 [SIGNATURE PAGE FOLLOWS] 

  
 21 

 IN WITNESS WHEREOF, the parties hereto have executed this Registration Rights Agreement on
the date first written above. 
  

			
	APARTMENT TRUST OF AMERICA, INC.
		
	By	 	 /s/ Stanley J. Olander, Jr.

	Name:	 	Stanley J. Olander, Jr.
	Title:	 	Chief Executive Officer

 [Signature Page to Registration Rights Agreement under MCA] 

 Exhibit A 

(Form of Joinder Agreement to Registration Rights Agreement) 

 JOINDER AGREEMENT 

[REGISTRATION RIGHTS AGREEMENT] 
 This Joinder Agreement (this “Agreement”) is entered into as of             ,     2012, by and between
Landmark Apartment Trust of America, Inc. (f/k/a Apartment Trust of America, Inc.), a Maryland corporation (the “Company”) and the undersigned party designated as the Holder (the “Holder”). 

RECITALS 
 WHEREAS, reference is made to that certain Registration Rights Agreement (the “Registration Rights Agreement”), dated as of
[            ] [    ], 2012, by and among the Company and the Holders described therein; 
 WHEREAS, the Holder has made a contribution of cash, property or other assets in exchange for limited partnership interests in Landmark Apartment Trust of America Holdings, L.P. (f/k/a Apartment Trust of
America Holdings, L.P.), a Virginia limited partnership, capital stock of the Company, or a combination of the foregoing; 

WHEREAS, pursuant to the terms of such contribution, the Holder is entitled to and now desires to become a party to the Registration
Rights Agreement. 
 NOW, THEREFORE, the parties hereto acknowledge the adequacy of the consideration provided to each through
their respective representations, warranties, conditions, rights and promises contained in this Agreement and, intending to be legally bound, agree as provided below. 
 1. The Holder shall become, and does hereby become, a party to the Registration Rights Agreement and shall, and hereby agrees to, be bound by all of the terms and conditions set forth in the Registration
Rights Agreement applicable to the Holder as a party thereto. 
 2. This Agreement may be executed in several counterparts, each
of which shall be deemed an original, but all of which when taken together, shall constitute one and the same instrument. 

 IN WITNESS WHEREOF, the parties hereto have caused this Joinder Agreement to be signed as of
the day and year first above written. 
  

					
	COMPANY:	 	LANDMARK APARTMENT TRUST OF AMERICA, INC.
			
		 	By:	 	  

		 	Name:	 	
		 	Title:	 	
		
	HOLDER:	 	[signature block to be inserted]

 [Signature Page to Registration Rights Agreement under MCA]

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