Document:

ex10_5.htm

    NOTICE
OF FINAL AGREEMENT

    

    
      	
              Principal

              $50,000

            	
              Loan
      Date

              01-06-2004

            	
              Maturity

              01-01-2009

            	
              Loan
      No

              0000000018

            	
              Call/
      Coll

            	
              Account

              0010255221

            	
              Officer

              ***

            	
              Initials

            
	
              References
      in the shaded area are for Lender's use only and do not limit the
      applicability of this document to any particular loan or
item.

              Any
      item above containing " * " has been omitted due to text length
      limitations.

            

    

    

    

    
      	
              Borrower:      ZNOMICS,
      INC.

                                      2611
      SW 3RD ST STE 200

                                      PORTLAND,
      OR 97201

            	
              Lender:         Washington
      Mutual Bank, FA

                                      Business
      Lending – Seattle

                                      3200
      Southwest Freeway, Suite HOU1547

                                      Houston,
      TX 77027

            
	
              ORAL
      AGREEMENTS OR ORAL COMMITMENTS TO LOAN MONEY, EXTEND CREDIT, OR TO
      FORBEAR

              FROM
      ENFORCING REPAYMENT OF A DEBT ARE NOT ENFORCEABLE UNDER WASHINGTON
      LAW.

              

              By
      signing this document each Party acknowledges receipt of the above notice.
      In addition (and not as a limitation on the legal effect of the
      notice), by signing this document each Party represents and agrees that:
      (a) The written
      Loan Agreement represents the final agreement between the Parties,
      (b) There are no
      unwritten oral agreements between the Parties, and (c) The written Loan
      Agreement may not be contradicted by evidence of any prior.
      contemporaneous, or subsequent oral agreements or understanding of the
      Parties. As used in this Notice, the following terms have the following
      meanings:

              

              Loan.
      The term “Loan” means the following described loan: a Variable Rate
      Nondisclosure Loan to a Corporation for $50,000.00 due on January 1,
      2009. The reference rate (annual interest rate, adjusted daily, published
      from time to time in The Wall Street Journal as the "Prime Rate" in
      the "Money Rates" section, as of any date of determination, currently
      4.000%) is added to the margin of 2.000%. resulting in an initial
      rate of 6.000.

              

              Loan
      Agreement. The term "Loan Agreement" means one or more promises,
      promissory notes, agreements, undertakings, security agreements,
      deeds of trust or other documents, or commitments, or any combination of
      those actions or documents, relating to the Loan, including without
      limitation the following:

              

              LOAN
      DOCUMENTS

               

            

    

    
      	
              Corporate
      Resolution: ZNOMICS, INC.

              Promissory
      Note

              WA
      Commercial Guaranty: ROGER D CONE

              Disbursement
      Request and Authorization

              Notice
      of Final Agreement

               

            	
              Business
      Loan Agreement

              WA
      Commercial Guaranty: RICHARD A SESSIONS

              USA
      Patriot Act - IMPORTANT INFORMATION ABOUT

              PROCEDURES
      FOR OPENING A NEW ACCOUNT

               

            

    

    

    Parties.
The term "Parties" means Washington Mutual Bank, FA and any and all entities or
individuals who are obligated to repay the loan or have pledged property as
security for the Loan, including without limitation the following:

    

    Borrower:
ZNOMICS, INC.

    Guarantor
1 : RICHARD A SESSIONS

    Guarantor
2: ROGER D CONE

     

    Each
Party who signs below, other than Washington Mutual Bank, FA, acknowledges,
represents, and warrants to Washington Mutual Bank, FA that it has
received, read and understood this Notice of Final Agreement. This Notice is
dated January 6, 2004.

    

    
       

      
        	BORROWER:	 
	 	 
	ZNOMICS,
      INC.	 
	 	 
	By:  /s/ Richard A
      Sessions    	By:  /s/ Roger D. Cone
	Richard
      A Sessions, CEO of Znomics, Inc.	Roger D. Cone,
      President/CSO of Znomics, Inc.
	 	 
	GUARANTOR:	 
	 	 
	X  /s/ Richard A Sessions	 
	 	 
	GUARANTOR:	 
	 	 
	X  /s/ Roger D. Cone	 
	 	 
	LENDER:	 
	 	 
	WASHINGTON MUTUAL
      BANK, FA	 
	 	 
	X  /s/ Jennifer Randsy	 
	Authorized
      Signer	 

      

       

      
        
           

        

        
           

          
            

          

        

        
           

        

      

    

     

    BUSINESS
LOAN AGREEMENT

    

    
      	
              Principal

              $50,000

            	
              Loan
      Date

              01-06-2004

            	
              Maturity

              01-01-2009

            	
              Loan
      No

              0000000018

            	
              Call/
      Coll

            	
              Account

              0010255221

            	
              Officer

              ***

            	
              Initials

            
	
              References
      in the shaded area are for Lender's use only and do not limit the
      applicability of this document to any particular loan or
item.

              Any
      item above containing " * " has been omitted due to text length
      limitations.

            

    

    

    

    
      	
              Borrower:      ZNOMICS,
      INC.

                                      2611
      SW 3RD ST STE 200

                                      PORTLAND,
      OR 97201

            	
              Lender:          Washington
      Mutual Bank, FA

                                      Business
      Lending – Seattle

                                      3200
      Southwest Freeway, Suite HOU1547

                                      Houston,
      TX 77027

            

    

    

    

    THIS
BUSINESS LOAN AGREEMENT dated January 6, 2004, is made and executed between
ZNOMICS, INC. ("Borrower") and Washington Mutual Bank, FA ("Lender") on the
following terms and conditions. Borrower has received prior commercial loans
from Lender or has applied to Lender for a commercial loan or loans or
other financial accommodations, including those which may be described on any
exhibit or schedule attached to this Agreement ("Loan"). Borrower
understands and agrees that: (A) in granting, renewing, or extending any Loan,
Lender is relying upon Borrower's representations, warranties, and
agreements as set forth in this Agreement; (B) the granting, renewing, or
extending of any Loan by Lender at all times shall be subject to Lender's
sole judgment and discretion; and (C) all such Loans shall be and remain
subject to the terms and conditions of this Agreement.

    

    TERM. This Agreement shall be
effective as of January 6, 2004, and shall continue in full force and effect
until such time as all of Borrower's Loans in favor of Lender have been
paid in full, including principal, interest, costs, expenses, attorneys' fees,
and other fees and charges, or until such time as the parties may agree in
writing to terminate this Agreement.

    

    CONDITIONS PRECEDENT TO EACH ADVANCE. Lender's
obligation to make the initial Advance and each subsequent Advance under
this Agreement shall be subject to the fulfillment to Lender's satisfaction
of all of the conditions set forth in this Agreement and in the
Related Documents.

    

    Loan Documents. Borrower shall
provide to Lender the following documents for the Loan: (1) the Note;
(2) guaranties; (3) together with all such Related Documents as Lender
may require for the Loan; all in form and substance satisfactory to Lender and
Lender's counsel.

    

    Borrower's Authorization.
Borrower shall have provided in form and substance satisfactory to Lender
properly certified resolutions, duly authorizing the execution and delivery
of this Agreement, the Note and the Related Documents. In addition, Borrower
shall have provided

    such
other resolutions, authorizations, documents and instruments as Lender or its
counsel, may require.

    

    Payment of Fees and Expenses.
Borrower shall have paid to Lender all fees, charges, and other expenses which
are then due and payable as specified in this Agreement or any Related
Document.

    

    Representations and
Warranties. The representations and warranties set forth in this
Agreement, in the Related Documents, and in any document or certificate
delivered to Lender under this Agreement are true and correct.

    

    No Event of Default. There
shall not exist at the time of any Advance a condition which would constitute an
Event of Default under this Agreement or under any Related
Document.

    

    REPRESENTATIONS AND
WARRANTIES. Borrower represents and warrants to Lender, as of the date of
this Agreement, as of the date of each disbursement of loan proceeds, as of
the date of any renewal, extension or modification of any Loan, and at all times
any lndebtedness exists:

    

    Organization. Borrower is a
corporation for profit which is, and at all times shall be, duly organized,
validly existing, and in good standing under and by virtue of the laws of
the State of Delaware. Borrower is duly authorized to transact business in all
other states in which Borrower is doing business, having obtained all
necessary filings, governmental licenses and approvals for each state in which
Borrower is doing business. Specifically, Borrower is, and at all times
shall be, duly qualified as a foreign corporation in all states in which the
failure to so qualify would have a material adverse effect on its business
or financial condition. Borrower has the full power and authority to own
its properties and to transact the business in which it is presently
engaged or presently proposes to engage. Borrower maintains an office
at 261 1 SW 3RD ST STE 200, PORTLAND, OR 97201. Unless Borrower has
designated otherwise in writing, the principal office is the office at which
Borrower keep its books and records including its records concerning the
Collateral. Borrower will notify Lender prior to any change in the location
of Borrower's state of organization or any change in Borrower's name. Borrower
shall do all things necessary to preserve and to keep in full force and
effect its existence, rights and privileges, and shall comply with all
regulations, rules, ordinances, statutes, orders and decrees of any
governmental or quasi-governmental authority or court applicable to Borrower and
Borrower's business activities.

    

    Assumed Business Names. Borrower has
filed or recorded all documents or filings required by law relating to all
assumed business names used by Borrower. Excluding the name of Borrower,
the following is a complete list of all assumed business names under which
Borrower does business: None.

    

    Authorization. Borrower's
execution, delivery, and performance of this Agreement and all the Related
Documents have been duly authorized by all necessary action by Borrower and
do not conflict with, result in a violation of, or constitute a default under
(1) any provision of Borrower's articles of incorporation or organization,
or bylaws, or any agreement or other instrument binding upon Borrower
or (2) any law, governmental regulation, court decree, or order applicable
to Borrower or to Borrower's properties.

    

    Financial Information. Each of
Borrower's financial statements supplied to Lender truly and completely
disclosed Borrower's financial condition as of the date of the statement,
and there has been no material adverse change in Borrower's financial condition
subsequent to the date of the most recent financial statement supplied to
Lender. Borrower has no material contingent obligations except as disclosed
in such financial statements.

    

    Legal Effect. This Agreement
constitutes, and any instrument or agreement Borrower is required to give under
this Agreement when delivered will constitute legal, valid, and binding
obligations of Borrower enforceable against Borrower in accordance with their
respective terms.

    

    Properties. Except as
contemplated by this Agreement or as previously disclosed in Borrower's
financial statements or in writing to Lender and as accepted by Lender, and
except for property tax liens for taxes not presently due and payable, Borrower
owns and has good title to all of Borrower's properties free and clear of
all Security Interests, and has not executed any security documents or financing
statements relating to such properties. All of Borrower's properties are
titled in Borrower's legal name, and Borrower has not used or filed a
financing statement under any other name for at least the last five (5)
years.

    

    Hazardous Substances. Except
as disclosed to and acknowledged by Lender in writing, Borrower represents and
warrants that: (1) During the period of Borrower's ownership of Borrower's
Collateral, there has been no use, generation, manufacture, storage, treatment,
disposal, release or threatened release of any Hazardous Substance by any person
on, under, about or from any of the Collateral. (2) Borrower has no knowledge
of, or reason to believe that there has been (a) any breach or violation of any
Environmental Laws; (b) any use, generation, manufacture, storage, treatment,
disposal, release or threatened release of any Hazardous Substance on, under,
about or from the Collateral by any prior owners or occupants of any of the
Collateral; or (c) any actual or threatened litigation or claims of any kind by
any

    person
relating to such matters. (3) Neither Borrower nor any tenant, contractor, agent
or other authorized user of any of the Collateral shall use, generate,
manufacture, store, treat, dispose of or release any Hazardous Substance on,
under, about or from any of the Collateral; and any such activity shall be
conducted in compliance with all applicable federal, state, and local laws,
regulations, and ordinances, including without limitation all Environmental
Laws. Borrower authorizes Lender and its agents to enter upon the Collateral to
make such inspections and tests as Lender may deem appropriate to determine
compliance of the Collateral with this section of the Agreement. Any inspections
or tests made by Lender shall be at Borrower's expense and for Lender's purposes
only and shall not be

    construed
to create any responsibility or liability on the part of Lender to Borrower or
to any other person. The representations and warranties contained herein are
based on Borrower's due diligence in investigating the Collateral for hazardous
waste and Hazardous Substances. Borrower hereby (1) releases and waives any
future claims against Lender for indemnity or contribution in the event Borrower
becomes liable for cleanup or other costs under any such laws, and (2) agrees to
indemnify and hold harmless Lender against any and all claims, losses,
liabilities, damages, penalties, and expenses which Lender may directly or
indirectly sustain or suffer resulting from a breach of this section of the
Agreement or as a consequence of any use, generation, manufacture, storage,
disposal, release or threatened release of a hazardous waste or substance on the
Collateral. The provisions of this section of the Agreement, including the
obligation to indemnify, shall survive the payment of the lndebtedness and the
termination, expiration or satisfaction of this Agreement and shall not be
affected by Lender's acquisition of any interest in any of the Collateral,
whether by foreclosure or otherwise.

    

    Litigation and Claims. No
litigation, claim, investigation, administrative proceeding or similar action
(including those for unpaid taxes) against Borrower is pending or threatened,
and no other event has occurred which may materially adversely affect Borrower's
financial condition or properties, other than litigation, claims, or other
events, if any, that have been disclosed to and acknowledged by Lender in
writing.

    

    Taxes. To the best of
Borrower's knowledge, all of Borrower's tax returns and reports that are or were
required to be filed, have been

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    BUSINESS
LOAN AGREEMENT

    

    
      	
              Loan
      No: 0000000018

            	
              (Continued)

            	
              Page
      2

            

    

    

    filed,
and all taxes, assessments and other governmental charges have been paid in
full, except those presently being or to be contested by Borrower in good
faith in the ordinary course of business and for which adequate reserves have
been provided.

    

    Lien Priority. Unless
otherwise previously disclosed to Lender in writing, Borrower has not entered
into or granted any Security Agreements, or permitted the filing or
attachment of any Security lnterests on or affecting any of the Collateral
directly or indirectly securing repayment of Borrower's Loan and Note, that
would be prior or that may in any way be superior to Lender's Security lnterests
and rights in and to such Collateral.

    

    Binding Effect. This
Agreement, the Note, all Security Agreements (if any), and all Related Documents
are binding upon the signers thereof, as well as upon their successors,
representatives and assigns, and are legally enforceable in accordance with
their respective terms.

    

    AFFIRMATIVE COVENANTS.
Borrower covenants and agrees with Lender that, so long as this Agreement
remains in effect, Borrower will:

    

    Notices of Claims and
Litigation.
Promptly inform Lender in writing of (1) all material adverse
changes in Borrower's financial condition, and (2) all existing and all
threatened litigation, claims, investigations, administrative proceedings or
similar actions affecting Borrower or any Guarantor which could materially
affect the financial condition of Borrower or the financial condition of any
Guarantor.

    

    Financial Records. Maintain
its books and records in accordance with GAAP, applied on a consistent basis,
and permit Lender to examine and audit Borrower's books and records at all
reasonable times.

    

    Financial Statements. Furnish
Lender with such financial statements and other related information at such
frequencies and in such detail as Lender may reasonably
request.

    

    Additional Information.
Furnish such additional information and statements, as Lender may request from
time to time.

    

    Insurance. Maintain fire and
other risk insurance, public liability insurance, and such other insurance as
Lender may require with respect to Borrower's properties and operations, in
form, amounts, coverages and with insurance companies acceptable to Lender.
Borrower, upon request of Lender, will deliver to Lender from time to time
the policies or certificates of insurance in form satisfactory to Lender,
including stipulations that coverages will not be cancelled or diminished
without at least ten (10)
days prior written notice to Lender. Each insurance policy also
shall include an endorsement providing that coverage in favor of Lender will not
be impaired in any way by any act, omission or default of Borrower or any
other person. In connection with all policies covering assets in which Lender
holds or is offered a security interest for the Loans, Borrower will
provide Lender with such lender's loss payable or other endorsements as Lender
may require.

    

    Insurance Reports. Furnish to
Lender, upon request of Lender, reports on each existing insurance policy
showing such information as Lender may reasonably request, including
without limitation the following: (1) the name of the insurer;
(2) the risks insured; (3) the amount of the policy; (4) the properties
insured; (5) the then current property values on the basis of which insurance
has been obtained, and the manner of determining those values; and (6) the
expiration date of the policy. In addition, upon request of Lender (however
not more often than annually), Borrower will have an independent appraiser
satisfactory to Lender determine, as applicable, the actual cash value or
replacement cost of any Collateral. The cost of such appraisal shall be paid by
Borrower.

    

    Guaranties. Prior to
disbursement of any Loan proceeds, furnish executed guaranties of the Loans in
favor of Lender, executed by the guarantors named below, on Lender's forms,
and in the amounts and under the conditions set forth in those
guaranties.

    

    
      	
              Names of
      Guarantors

            	
              Amounts

            
	
              RICHARD
      A SESSIONS

            	
              $50,000.00

            
	
              ROGER
      D CONE

            	
              $50,000.00

            

    

    

    Other Agreements. Comply with
all terms and conditions of all other agreements, whether now or hereafter
existing, between Borrower and any other party and notify Lender
immediately in writing of any default in connection with any other such
agreements.

    

    Loan Proceeds. Use all Loan
proceeds solely for Borrower's business operations, unless specifically
consented to the contrary by Lender in writing.

    

    Taxes, Charges and Liens. Pay
and discharge when due all of its indebtedness and obligations, including
without limitation all assessments, taxes, governmental charges, levies and
liens, of every kind and nature, imposed upon Borrower or its properties,
income, or profits, prior to the date on which penalties would attach, and
all lawful claims that, if unpaid, might become a lien or charge upon any of
Borrower's properties, income, or profits.

    

    Performance. Perform and
comply, in a timely manner, with all terms, conditions, and provisions set forth
in this Agreement, in the Related Documents, and in all other instruments
and agreements between Borrower and Lender. Borrower shall notify Lender
immediately in writing of any default in connection with any
agreement.

    

    Operations. Maintain executive
and management personnel with substantially the same qualifications and
experience as the present executive and management personnel; provide
written notice to Lender of any change in executive and management personnel;
conduct its business affairs in a reasonable and prudent
manner.

    

    Environmental Studies.
Promptly conduct and complete, at Borrower's expense, all such investigations,
studies, samplings and testings as may be requested by Lender or any
governmental authority relative to any substance, or any waste or by-product of
any substance defined as toxic or a hazardous substance under applicable
federal, state, or local law, rule, regulation, order or directive, at or
affecting any property or any facility owned, leased or used by
Borrower.

    

    Compliance with Governmental
Requirements. Comply with all laws, ordinances, and regulations, now or
hereafter in effect, of all governmental authorities applicable to the
conduct of Borrower's properties, businesses and operations, and to the use or
occupancy of the Collateral, including without limitation, the Americans
With Disabilities Act. Borrower may contest in good faith any such law,
ordinance, or regulation and withhold compliance during any proceeding,
including appropriate appeals, so long as Borrower has notified Lender
in writing prior to doing so and so long as, in Lender's sole opinion,
Lender's interests in the Collateral are not jeopardized. Lender
may require Borrower to post adequate security or a surety bond, reasonably
satisfactory to Lender, to protect Lender's interest.

    

    Inspection. Permit employees
or agents of Lender at any reasonable time to inspect any and all Collateral for
the Loan or Loans and Borrower's other properties and to examine or audit
Borrower's books, accounts, and records and to make copies and memoranda
of Borrower's books, accounts, and records. If Borrower now or at any time
hereafter maintains any records (including without limitation computer
generated records and computer software programs for the generation of such
records) in the possession of a third party, Borrower, upon request of
Lender, shall notify such party to permit Lender free access to such records at
all reasonable times and to provide Lender with copies of any records it
may request, all at Borrower's expense.

    

    Compliance Certificates.
Unless waived in writing by Lender, provide Lender at least annually, with a
certificate executed by Borrower's chief financial officer, or other
officer or person acceptable to Lender, certifying that the representations and
warranties set forth in this Agreement are true and correct as of the date
of the certificate and further certifying that, as of the date of the
certificate, no Event of Default exists under this Agreement.

    

    Environmental Compliance and
Reports. Borrower shall comply in all respects with any and all
Environmental Laws; not cause or permit to exist, as a result of an
intentional or unintentional action or omission on Borrower's part or on the
part of any third party, on property owned and/or occupied by Borrower, any
environmental activity where damage may result to the environment, unless such
environmental activity is pursuant to and in compliance with the conditions
of a permit issued by the appropriate federal, state or local
governmental authorities; shall furnish to Lender promptly and in any event
within thirty (30) days after receipt thereof a copy of any notice,
summons, lien, citation, directive, letter or other communication from any
governmental agency or instrumentality concerning any intentional
or unintentional action or omission on Borrower's part in connection with
any environmental activity whether or not there is damage to
the environment and/or other natural resources.

    

    Additional Assurances. Make,
execute and deliver to Lender such promissory notes, mortgages, deeds of trust,
security agreements, assignments, financing statements, instruments,
documents and other agreements as Lender or its attorneys may reasonably request
to evidence and secure the Loans and to perfect all Security
Interests.

    

    LENDER'S EXPENDITURES. If any
action or proceeding is commenced that would materially affect Lender's interest
in the Collateral or if Borrower fails to comply with any provision of this
Agreement or any Related Documents, including but not limited to Borrower's
failure t discharge or pay when due any amounts Borrower is required to
discharge or pay under this Agreement or any Related Documents, Lender on
Borrower's behalf may (but shall not be obligated to) take any action that
Lender deems appropriate, including but not limited to discharging
or paying all taxes, liens, security interests, encumbrances and other
claims, at any time levied or placed on any Collateral and paying all costs
for insuring, maintaining and preserving any Collateral. All such
expenditures incurred or paid by Lender for such purposes will then bear
interest at the rate charged under the Note from the date incurred or paid
by Lender to the date of repayment by Borrower. All such expenses will
become a part of the Indebtedness and, at Lender's option, will (A) be
payable on demand; (B) be added to the balance of the Note and
be apportioned among and be payable with any installment payments to become
due during either (1) the term of any applicable insurance policy;

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    BUSINESS
LOAN AGREEMENT

    

    
      	
              Loan
      No: 0000000018

            	
              (Continued)

            	
              Page
      3

            

    

    

    or (2)
the remaining term of the Note; or (C) be treated as a balloon payment which
will be due and payable at the Note's maturity.

    

    NEGATIVE COVENANTS. Borrower
covenants and agrees with Lender that while this Agreement is in effect,
Borrower shall not, without the prior written consent of
Lender:

    

    lndebtedness
and Liens. (1) Except for trade debt incurred in the normal course of business
and indebtedness to Lender contemplated by this Agreement, create, incur or
assume indebtedness for borrowed money, including capital leases, (2) sell,
transfer, mortgage, assign, pledge, lease, grant a security interest in, or
encumber any of Borrower's assets (except as allowed as Permitted Liens), or (3)
sell with recourse any of Borrower's accounts, except to
Lender.

    

    Continuity of
Operations. (1) Engage in any business
activities substantially different than those in which Borrower is presently
engaged, (2) cease operations, liquidate, merge, transfer, acquire or
consolidate with any other entity, change its name, dissolve or transfer or
sell Collateral out of the ordinary course of business, or (3) pay any
dividends on Borrower's stock (other than dividends payable in its
stock), provided, however that notwithstanding the foregoing, but only so
long as no Event of Default has occurred and is continuing or would result
from the payment of dividends, if Borrower is a "Subchapter S Corporation" (as
defined in the Internal Revenue Code of 1986, as amended), Borrower may pay
cash dividends on its stock to its shareholders from time to time in amounts
necessary to enable the shareholders to pay income taxes and make estimated
income tax payments to satisfy their liabilities under federal and state law
which arise solely from their status as Shareholders of a Subchapter S
Corporation because of their ownership of shares of Borrower's stock,
or purchase or retire any of Borrower's outstanding shares or alter or
amend Borrower's capital structure.

    

    Loans, Acquisitions and
Guaranties. (1) Loan, invest in or advance money or assets, (2)
purchase, create or acquire any interest in any other enterprise or entity,
or (3) incur any obligation as surety or guarantor other than in the ordinary
course of business.

    

    CESSATION OF ADVANCES. If
Lender has made any commitment to make any Loan to Borrower, whether under this
Agreement or under any other agreement, Lender shall have no obligation to make
Loan Advances or to disburse Loan proceeds if: (A) Borrower or any Guarantor is
in default under the terms of this Agreement or any of the Related
Documents or any other agreement that Borrower or any Guarantor has
with Lender; (B) Borrower or any Guarantor dies, becomes incompetent or
becomes insolvent, files a petition in bankruptcy or similar
proceedings, or is adjudged a bankrupt; (C) there occurs a material adverse
change in Borrower's financial condition, in the financial condition of
any Guarantor, or in the value of any Collateral securing any Loan; or (Dl
any Guarantor seeks, claims or otherwise attempts to limit, modify
or

    revoke
such Guarantor's guaranty of the Loan or any other loan with Lender; or (E)
Lender in good faith deems itself insecure, even though no Event of Default
shall have occurred.

    

    RIGHT OF SETOFF. To the extent
permitted by applicable law. Lender reserves a right of setoff in all Borrower's
accounts with Lender (whether checking, savings, or some other account).
This includes all accounts Borrower holds jointly with someone else and all
accounts Borrower may open in the future. However, this does not include
any IRA or Keogh accounts, or any trust accounts for which setoff would be
prohibited by law. Borrower authorizes Lender, to the extent permitted by
applicable law, to charge or setoff all sums owing on the debt against any and
all such accounts.

    

    DEFAULT. Each of the following
shall constitute an Event of Default under this Agreement:

    

    Payment Default. Borrower
fails to make any payment when due under the Loan.

    

    Other Defaults. Borrower fails
to comply with or to perform any other term, obligation, covenant or condition
contained in this Agreement or in any of the Related Documents or to comply
with or to perform any term, obligation, covenant or condition contained in any
other agreement between Lender and Borrower.

    

    Default in Favor of Third
Parties. Borrower or any Grantor defaults under any loan, extension of
credit, security agreement, purchase or sales agreement, or any other
agreement, in favor of any other creditor or person that may materially affect
any of Borrower's or any Grantor's property or Borrower's or any Grantor's
ability to repay the Loans or perform their respective obligations under this
Agreement or any of the Related Documents.

    

    False Statements. Any
warranty, representation or statement made or furnished to Lender by Borrower or
on Borrower's behalf under this Agreement or the Related Documents is false
or misleading in any material respect, either now or at the time made or
furnished or becomes false or misleading at any time
thereafter.

    

    Insolvency. The dissolution or
termination of Borrower's existence as a going business, the insolvency of
Borrower, the appointment of a receiver for any part of Borrower's
property, any assignment for the benefit of creditors, any type of creditor
workout, or the commencement of any proceeding under any bankruptcy or
insolvency laws by or against Borrower.

    

    Defective Collateralization. This
Agreement or any of the Related Documents ceases to be in full force and effect
(including failure of any collateral document to create a valid and
perfected security interest or lien) at any time and for any
reason.

    

    Creditor or Forfeiture Proceedings.
Commencement of foreclosure or forfeiture proceedings, whether by judicial
proceeding, self-help, repossession or any other method, by any creditor of
Borrower or by any governmental agency against any collateral securing the
Loan. This includes a garnishment of any of Borrower's accounts, including
deposit accounts, with Lender. However, this Event of Default shall not
apply if there is a good faith dispute by Borrower as to the validity or
reasonableness of the claim which is the basis of the creditor
or forfeiture proceeding and if Borrower gives Lender written notice of the
creditor or forfeiture proceeding and deposits with Lender monies or a
surety bond for the creditor or forfeiture proceeding, in an amount determined
by Lender, in its sole discretion, as being an adequate reserve or bond for
the dispute.

    

    Events Affecting Guarantor.
Any of the preceding events occurs with respect to any Guarantor of any of the
lndebtedness or any Guarantor dies or becomes incompetent, or revokes or
disputes the validity of, or liability under, any Guaranty of the lndebtedness.
In the event of a death, Lender, at its option, may, but shall not be
required to, permit the Guarantor's estate to assume unconditionally
the obligations arising under the guaranty in a manner satisfactory to
Lender, and, in doing so, cure any Event of Default. Change in Ownership.
Any change in ownership of twenty-five percent (25%) or more of the common stock
of Borrower.

    

    Adverse Change. A material
adverse change occurs in Borrower's financial condition, or Lender believes the
prospect of payment or performance of the Loan is
impaired. Insecurity. Lender in good faith believes itself
insecure.

    

    Right to Cure. If any default,
other than a default on Indebtedness, is curable and if Borrower or Grantor, as
the case may be, has not been given a notice of a similar default within
the preceding twelve (12) months, it may be cured (and no Event of Default will
have occurred) if Borrower or Grantor, as the case may be, after receiving
written notice from Lender demanding cure of such default: (1) cure the
default within fifteen (15) days; or (2) if the cure requires more than
fifteen (15) days, immediately initiate steps which Lender deems in
Lender's sole discretion to be sufficient to cure the default and
thereafter continue and complete all reasonable and necessary steps sufficient
to produce compliance as soon as reasonably practical.

    

    EFFECT OF AN EVENT OF DEFAULT.
If any Event of Default shall occur, except where otherwise provided in this
Agreement or the Related Documents, all commitments and obligations of
Lender under this Agreement or the Related Documents or any other agreement
immediately will terminate (including any obligation to make further Loan
Advances or disbursements), and, at Lender's option, all indebtedness
immediately will become due and payable, all without notice of any kind to
Borrower, except that in the case of an Event of Default of the type described
in the "Insolvency" subsection above, such acceleration shall be automatic
and not optional. In addition, Lender shall have all the rights and
remedies provided in the Related Documents or available at law, in equity,
or otherwise. Except as may be prohibited by applicable law, all of
Lender's

    rights
and remedies shall be cumulative and may be exercised singularly or
concurrently. Election by Lender to pursue any remedy shall not exclude
pursuit of any other remedy, and an election to make expenditures or to take
action to perform an obligation of Borrower or of any Grantor shall not
affect Lender's right to declare a default and to exercise its rights and
remedies.

    

    MISCELLANEOUS PROVISIONS. The
following miscellaneous provisions are a part of this Agreement:

    

    Amendments. This Agreement,
together with any Related Documents, constitutes the entire understanding and
agreement of the parties as to the matters set forth in this Agreement. No
alteration of or amendment to this Agreement shall be effective unless given in
writing and signed by the party or parties sought to be charged or bound by
the alteration or amendment.

    

    Attorneys' Fees; Expenses.
Borrower agrees to pay upon demand all of Lender's costs and expenses, including
Lender's attorneys' fees and Lender's legal expenses, incurred in
connection with the enforcement of this Agreement. Lender may hire or pay
someone else to help enforce this Agreement, and Borrower shall pay the
costs and expenses of such enforcement. Costs and expenses include
Lender's attorneys' fees and legal expenses whether or not there is a
lawsuit, including attorneys' fees and legal expenses for
bankruptcy proceedings (including effor.ts to modify or vacate any
automatic stay or injunction), appeals, and any anticipated post-judgment
collection services. Borrower also shall pay all court costs and such
additional fees as may be directed by the court.

    

    Caption Headings. Caption
headings in this Agreement are for convenience purposes only and are not to be
used to interpret or define the provisions of this Agreement.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    BUSINESS
LOAN AGREEMENT

    
      	
              Loan
      No: 0000000018

            	
              (Continued)

            	
              Page
      4

            

    

    

    

    Consent to Loan Participation.
Borrower agrees and consents to Lender's sale or transfer, whether now or later,
of one or more participation interests in the Loan to one or more
purchasers, whether related or unrelated to Lender. Lender may provide, without
any limitation whatsoever, to any one or more purchasers, or potential
purchasers, any information or knowledge Lender may have about Borrower or
about any other matter relating to the Loan, and Borrower hereby waives any
rights to privacy Borrower may have with respect to such matters. Borrower
additionally waives any and all notices of sale of participation interests, as
well as all notices of any repurchase of such participation interests.
Borrower also agrees that the purchasers of any such participation interests
will be considered as the absolute owners of such interests in the Loan and
will have all the rights granted under the participation agreement or
agreements governing the sale of such participation interests. Borrower
further waives all rights of offset or counterclaim that it may have now or
later against Lender or against any purchaser of such a participation
interest and unconditionally agrees that either Lender or such purchaser
may enforce Borrower's obligation under the Loan irrespective of the
failure or insolvency of any holder of any interest in the Loan.
Borrower further agrees that the purchaser of any such participation
interests may enforce its interests irrespective of any personal claims
or defenses that Borrower may have against Lender.

    

    Governing
Law. This Agreement will be governed by, construed and enforced in accordance
with federal law and the laws of the State of

    Washington.
This Agreement has been accepted by Lender in the State of
Washington.

    

    No Waiver by Lender. Lender
shall not be deemed to have waived any rights under this Agreement unless such
waiver is given in writing and signed by Lender. No delay or omission on
the part of Lender in exercising any right shall operate as a waiver of such
right or any other right. A waiver by Lender of a provision of this
Agreement shall not prejudice or constitute a waiver of Lender's right otherwise
to demand strict compliance with that provision or any other provision of
this Agreement. No prior waiver by Lender, nor any course of dealing
between Lender and Borrower, or between Lender and any Grantor, shall constitute
a waiver of any of Lender's rights or of any of Borrower's or any Grantor's
obligations as to any future transactions. Whenever the consent of Lender is
required under this Agreement, the granting of such consent by Lender in
any instance shall not constitute continuing consent to subsequent instances
where such consent is required and in all cases such consent may be granted
or withheld in the sole discretion of Lender.

    

    Notices. Subject to applicable
law, and except for notice required or allowed by law to be given in another
manner, any notice required to be given under this Agreement shall be given
in writing, and shall be effective when actually delivered, when actually
received by telefacsimile (unless otherwise required by law), when
deposited with a nationally recognized overnight courier, or, if mailed,
when deposited in the United States mail, as first class, certified or
registered mail postage prepaid, directed to the addresses shown near
the beginning of this Agreement. Any party may change its address for
notices under this Agreement by giving formal written notice to the other
parties, specifying that the purpose of the notice is to change the party's
address. For notice purposes, Borrower agrees to keep Lender informed at
all times of Borrower's current address. Subject to applicable law, and except
for notice required or allowed by law to be given in another manner, if
there is more than one Borrower, any notice given by Lender to any Borrower is
deemed to be notice given to all Borrowers.

    

    Severability. If a court of
competent jurisdiction finds any provision of this Agreement to be illegal,
invalid, or unenforceable as to any circumstance, that finding shall not
make the offending provision illegal, invalid, or unenforceable as to any other
circumstance. If feasible, the offending provision shall be considered
modified so that it becomes legal, valid and enforceable. If the offending
provision cannot be so modified, it shall be considered deleted from this
Agreement. Unless otherwise required by law, the illegality, invalidity, or
unenforceability of any provision of this Agreement shall not affect the
legality, validity or enforceability of any other provision of this
Agreement.

    

    Subsidiaries and Affiliates of
Borrower. To the extent the context of any provisions of this Agreement
makes it appropriate, including without limitation any representation,
warranty or covenant, the word "Borrower" as used in this Agreement shall
include all of Borrower's subsidiaries and affiliates. Notwithstanding the
foregoing however, under no circumstances shall this Agreement be construed to
require Lender to make any Loan or other financial accommodation to any of
Borrower's subsidiaries or affiliates.

    

    Successors and Assigns. All
covenants and agreements contained by or on behalf of Borrower shall bind
Borrower's successors and assigns and shall inure to the benefit of Lender
and its successors and assigns. Borrower shall not, however, have the right to
assign Borrower's rights under this Agreement or any interest therein,
without the prior written consent of Lender.

    

    Survival of Representations and
Warranties. Borrower understands and agrees that in making the Loan,
Lender is relying on all representations, warranties, and covenants made by
Borrower in this Agreement or in any certificate or other instrument delivered
by Borrower to Lender under this Agreement or the Related Documents.
Borrower further agrees that regardless of any investigation made
by Lender, all such representations, warranties and covenants will survive
the making of the Loan and delivery to Lender of the Related Documents,
shall be continuing in nature, and shall remain in full force and effect until
such time as Borrower's lndebtedness shall be paid in full, or until this
Agreement shall be terminated in the manner provided above, whichever is the
last to occur.

    

    Time is of the Essence. Time
is of the essence in the performance of this Agreement.

    

    DEFINITIONS. The following
capitalized words and terms shall have the following meanings when used in this
Agreement. Unless specifically stated to the contrary, all references to
dollar amounts shall mean amounts in lawful money of the United States of
America. Words and terms used in the singular shall include the plural, and
the plural shall include the singular, as the context may require. Words and
terms not otherwise defined in this Agreement shall have the meanings
attributed to such terms in the Uniform Commercial Code. Accounting words and
terms not otherwise defined in this Agreement shall have the meanings
assigned to them in accordance with generally accepted accounting principles as
in effect on the date of this Agreement:

    

    Advance. The word "Advance"
means a disbursement of Loan funds made, or to be made, to Borrower or on
Borrower's behalf on a line of credit or multiple advance basis under the
terms and conditions of this Agreement.

    

    Agreement. The word
"Agreement" means this Business Loan Agreement, as this Business Loan Agreement
may be amended or modified from time to time, together with all exhibits
and schedules attached to this Business Loan Agreement from time to
time.

    

    Borrower. The word "Borrower"
means ZNOMICS, INC., and all other persons and entities signing the Note in
whatever capacity.

    

    Collateral. The word
"Collateral" means all property and assets granted as collateral security for a
Loan, whether real or personal property, whether granted directly or
indirectly, whether granted now or in the future, and whether granted in the
form of a security interest, mortgage, collateral mortgage, deed of trust,
assignment, pledge, crop pledge, chattel mortgage, collateral chattel mortgage,
chattel trust, factor's lien, equipment trust, conditional sale, trust
receipt, lien, charge, lien or title retention contract, lease or consignment
intended as a security device, or any other security or lien interest
whatsoever, whether created by law, contract, or otherwise.

    

    Environmental Laws. The words
"Environmental Laws" mean any and all state, federal and local statutes,
regulations and ordinances relating to the protection of human health or
the environment, including without limitation the Comprehensive Environmental
Response, Compensation, and Liability Act of 1980, as amended, 42 U.S.C.
Section 9601, et seq. ("CERCLA"), the Superfund Amendments
and Reauthorization Act of 1986, Pub. L. No. 99-499 ("SARA"), the Hazardous
Materials Transportation Act, 49 U.S.C. Section 1801, et seq., the Resource
Conservation and Recovery Act, 42 U.S.C. Section 6901, et seq., or other
applicable state or federal laws, rules, or regulations adopted pursuant
thereto.

    

    Event of Default. The words
"Event of Default" mean any of the events of default set forth in this Agreement
in the default section of this Agreement.

    

    GAAP. The word "GAAP" means
generally accepted accounting principles.

    

    Grantor. The word "Grantor"
means each and all of the persons or entities granting a Security Interest in
any Collateral for the Loan, including without limitation all Borrowers
granting such a Security Interest.

    

    Guarantor. The word
"Guarantor" means any guarantor, surety, or accommodation party of any or all of
the Loan.

    

    Guaranty. The word "Guaranty"
means the guaranty from Guarantor to Lender, including without limitation a
guaranty of all or part of the Note.

    

    Hazardous Substances. The
words "Hazardous Substances" mean materials that, because of their quantity,
concentration or physical, chemical or infectious characteristics, may cause or
pose a present or potential hazard to human health or the environment
when improperly used, treated, stored, disposed of, generated,
manufactured, transported or otherwise handled. The words
"Hazardous Substances" are used in their very broadest sense and include
without limitation any and all hazardous or toxic substances, materials
or waste as defined by or
listed under the Environmental Laws. The term "Hazardous Substances" also
includes, without limitation, petroleum and petroleum by-products or any
fraction thereof and asbestos.

    

    Indebtedness. The word
"Indebtedness" means the indebtedness evidenced by the Note or Related
Documents, including all principal and interest together with all other
indebtedness and costs and expenses for which Borrower is responsible under this
Agreement or under any of the Related Documents.

    

    Lender. The word "Lender"
means Washington Mutual Bank, FA, its successors and assigns.

    

    Loan. The word "Loan” means
any and all loans and financial accommodations from Lender to Borrower whether
now or hereafter existing, and however evidenced, including without limitation
those loans and financial accommodations described herein or described
on any exhibit or schedule attached to this Agreement from time to
time.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    BUSINESS
LOAN AGREEMENT

    
      	
              Loan
      No: 0000000018

            	
              (Continued)

            	
              Page
      5

            

    

    

    Note. The word "Note" means
the Note executed by ZNOMICS, INC. in the principal amount of $50,000.00 dated
January 6, 2004, together with all renewals of, extensions of,
modifications of, refinancings of, consolidations of, and substitutions for the
note or credit agreement.

    

    Permitted Liens. The words
"Permitted Liens" mean (1) liens and security interests securing Indebtedness
owed by Borrower to Lender; (2) liens for taxes, assessments, or similar
charges either not yet due or being contested in good faith; (3) liens of
materialmen, mechanics, warehousemen, or carriers, or other like liens
arising in the ordinary course of business and securing obligations which are
not yet delinquent; (4) purchase money liens or purchase money security
interests upon or in any property acquired or held by Borrower in
the ordinary course of business to secure indebtedness outstanding on ,the
date of this Agreement or permitted to be incurred under the paragraph of
this Agreement titled "Indebtedness and Liens"; (5) liens and security interests
which, as of the date of this Agreement, have been disclosed to and
approved by the Lender in writing; and (6) those liens and security interests
which in the aggregate constitute an immaterial and insignificant monetary
amount with respect to the net value of Borrower's assets.

    

    Related Documents. The words
"Related Documents" mean all promissory notes, credit agreements, loan
agreements, environmental agreements, guaranties, security agreements,
mortgages, deeds of trust, security deeds, collateral mortgages, and all other
instruments, agreements and documents, whether now or hereafter existing,
executed in connection with the Loan.

    

    Security Agreement. The words
"Security Agreement" mean and include without limitation any agreements,
promises, covenants, arrangements, understandings or other agreements,
whether created by law, contract, or otherwise, evidencing, governing,
representing, or creating a Security Interest.

    

    Security Interest. The words
"Security Interest" mean, without limitation, any and all types of collateral
security, present and future, whether in the form of a lien, charge,
encumbrance, mortgage, deed of trust, security deed, assignment, pledge, crop
pledge, chattel mortgage, collateral chattel mortgage, chattel trust,
factor's lien, equipment trust, conditional sale, trust receipt, lien or title
retention contract, lease or consignment intended as a security device, or
any other security or lien interest whatsoever whether created by
law, contract, or otherwise.

    

    BORROWER
ACKNOWLEDGES HAVING READ ALL THE PROVISIONS OF THIS BUSINESS LOAN AGREEMENT AND
BORROWER AGREES TO ITS TERMS. THlS BUSINESS LOAN AGREEMENT IS DATED JANUARY
6, 2004.

     

    
      	BORROWER:	 
	 	 
	ZNOMICS,
      INC.	 
	 	 
	By:  /s/ Richard A
      Sessions    	By:  /s/ Roger D. Cone
	Richard
      A Sessions, CEO of Znomics, Inc.	Roger D. Cone,
      President/CSO of Znomics, Inc.
	 	 
	LENDER:	 
	 	 
	WASHINGTON
      MUTUAL BANK, FA	 
	 	 
	By: ___________________
Authorized
      Signature	 

    

    

    

      
        
           

        

        
           

          
            

          

        

        
           

        

      

    

     

    PROMISSORY
NOTE

    

    
      	
              Principal

              $50,000

            	
              Loan
      Date

              01-06-2004

            	
              Maturity

              01-01-2009

            	
              Loan
      No

              0000000018

            	
              Call/
      Coll

            	
              Account

              0010255221

            	
              Officer

              ***

            	
              Initials

            
	
              References
      in the shaded area are for Lender's use only and do not limit the
      applicability of this document to any particular loan or
item.

              Any
      item above containing " * " has been omitted due to text length
      limitations.

            

    

    

    

    
      	
              Borrower:     ZNOMICS,
      INC.

                                      2611
      SW 3RD ST STE 200

                                      PORTLAND,
      OR 97201

            	
              Lender:          Washington
      Mutual Bank, FA

                                      Small
      Business Lending – Seattle

                                      3200
      Southwest Freeway, Suite HOU1547

                                      Houston,
      TX 77027

               

            	 
	PrincipalAmount:$
      50,000.00	
              Initial
      Rate: 6.000%

            	
              Date
      of Note: January 6, 2004

            

    

    

    
    

    PROMISE
TO PAY. ZNOMICS. INC. ("Borrower") promises to pay to Washington Mutual Bank, FA
("Lender"), or order, in lawful money of the United States of America. the
principal amount of Fifty Thousand & 00/100
Dollars ($50,000.00). together with interest on the unpaid
principal balance from January 6, 2004, until paid in full.

    

    PAYMENT.
Subject to any payment changes resulting from changes in the Index, Borrower
will pay this loan in 69 principal payments of $833.33 each and one final
principal and interest payment of $837.84. Borrower's first principal payment is
due February 1. 2004, and all subsequent principal payments are due on the same
day of each month after that. In addition, Borrower will pay regular monthly
payments of all accrued unpaid interest due as of each payment date,
beginning February 1, 2004, with all subsequent interest payments to be due on
the same day of each month after that. Borrower's final payment due January
1, 2009, will be for all principal and all accrued interest not yet paid. Unless
otherwise agreed or required by applicable law, payments will be applied first
to accrued unpaid interest, then to principal, and any remaining amount to any
unpaid collection costs and late charges. The annual interest rate for this Note
is computed on a 3651360 basis; that is, by applying the ratio of the
annual interest rate over a year of 360 days, multiplied by the outstanding
principal balance, multiplied by the actual number of days the principal
balance is outstanding. Borrower will pay Lender at Lender's address shown above
or at such other place as Lender may designate in writing.

    

    VARIABLE INTEREST RATE. The
interest rate on this Note is subject to change from time to time based on
changes in an independent index which is the annual interest rate, adjusted
daily, published from time to time in The Wall Street Journal as the "Prime
Rate" in the "Money Rates" section, as of any date of determination (the
"lndex"). The lndex is not necessarily the lowest rate charged by Lender on its
loans. If the lndex becomes unavailable during the term of this loan,
Lender may designate a substitute index after notice to Borrower. Lender will
tell Borrower the current lndex rate upon Borrower's request. The interest
rate change will not occur more often than each day. Borrower understands
that Lender may make loans based on other rates as well. The lndex currently is 4.000% per
annum. The interest rate to be applied to the unpaid principal
balance of this Note will be at a rate of 2.000 percentage points over the Index, resulting in an
initial rate of 6.000% per annum. NOTICE:
Under no circumstances will the interest rate on this Note be more than the
maximum rate allowed by applicable law.

    

    PREPAYMENT. Borrower may pay
without penalty all or a portion of the amount owed earlier than it is due.
Early payments will not, unless agreed to by Lender in writing, relieve
Borrower of Borrower's obligation to continue to make payments under the payment
schedule. Rather, early payments will reduce the principal balance due and
may result in Borrower's making fewer payments. Borrower agrees not to send
Lender payments marked "paid in full", "without recourse", or similar
language. If Borrower sends such a payment, Lender may accept it
without losing any of Lender's rights under this Note, and Borrower will
remain obligated to pay any further amount owed to Lender. All
written communications concerning disputed amounts, including any check or
other payment instrument that indicates that the payment
constitutes "payment in full" of the amount owed or that is tendered with
other conditions or limitations or as full satisfaction of a disputed amount
must be mailed or delivered to: Commercial Loan Servicing-Houston, HOU
1547, P.O. Box 2485 Houston, TX 77252-2406.

    

    LATE CHARGE. If a payment is 10 days or more late, Borrower
will be charged 5.000% of the
unpaid portion of the regularly scheduled payment.

    

    INTEREST AFTER DEFAULT. Upon
default, including failure to pay upon final maturity, Lender, at its option,
may, if permitted under applicable law, increase the variable interest rate
on this Note to 8.000 percentage points over the Index. The interest rate will
not exceed the maximum rate permitted by applicable law.

    

    DEFAULT. Each of the following
shall constitute an event of default ("Event of Default") under this
Note:

    

    Payment Default. Borrower
fails to make any payment when due under this Note.

    

    Other Defaults. Borrower fails
to comply with or to perform any other term, obligation, covenant or condition
contained in this Note or in any of the related documents or to comply with
or to perform any term, obligation, covenant or condition contained in any other
agreement between Lender and Borrower.

    

    Default in Favor of Third
Parties. Borrower or any Grantor defaults under any loan, extension of
credit, security agreement, purchase or sales agreement, or any other
agreement, in favor of any other creditor or person that may materially affect
any of Borrower's property or Borrower's ability to repay this Note or
perform Borrower's obligations under this Note or any of the related
documents.

    

    False Statements. Any
warranty, representation or statement made or furnished to Lender by Borrower or
on Borrower's behalf under this Note or the related documents is false or
misleading in any material respect, either now or at the time made or furnished
or becomes false or misleading at any time thereafter.

    

    Insolvency. The dissolution or
termination of Borrower's existence as a going business, the insolvency of
Borrower, the appointment of a receiver for any part of Borrower's
property, any assignment for the benefit of creditors, any type of creditor
workout, or the commencement of any proceeding under any bankruptcy or
insolvency laws by or against Borrower.

    

    Creditor or Forfeiture
Proceedings.
Commencement of foreclosure or forfeiture proceedings, whether by judicial
proceeding, self-help, repossession or any other method, by any creditor of
Borrower or by any governmental agency against any collateral securing the
loan. This includes a garnishment of any of Borrower's accounts, including
deposit accounts, with Lender. However, this Event of Default shall not
apply if there is a good faith dispute by Borrower as to the validity or
reasonableness of the claim which is the basis of the creditor
or forfeiture proceeding and if Borrower gives Lender written notice of the
creditor or forfeiture proceeding and deposits with Lender monies or a
surety bond for the creditor or forfeiture proceeding, in an amount determined
by Lender, in its sole discretion, as being an adequate reserve or bond for
the dispute.

    

    Events Affecting Guarantor.
Any of the preceding events occurs with respect to any Guarantor of any of the
indebtedness or any Guarantor dies or becomes incompetent, or revokes or
disputes the validity of, or liability under, any guaranty of the
indebtedness evidenced by this Note. In the event of a death, Lender, at
its option, may, but shall not be required to, permit the Guarantor's estate
to assume unconditionally the obligations arising under the guaranty in a
manner satisfactory to Lender, and, in doing so, cure any Event
of Default.

    

    Change In Ownership. Any
change in ownership of twenty-five percent (26%) or more of the common stock of
Borrower.

    

    Adverse Change. A material adverse change
occurs in Borrower's financial condition, or Lender believes the prospect of
payment or performance of this Note is impaired.

    

    Insecurity. Lender in good faith
believes itself insecure.

    

    Cure Provisions. if any
default, other than a default in payment is curable and if Borrower has not been
given a notice of a breach of the same provision of this Note within the
preceding twelve (12) months, it may be cured (and no event of default will have
occurred) if Borrower, after receiving written notice from Lender demanding
cure of such default: (1) cures the default within fifteen (15) days; or
(2) if the cure requires more than fifteen (15) days, immediately initiates
steps which Lender deems in Lender's sole discretion to be sufficient to
cure the default and thereafter continues and completes all reasonable and
necessary steps sufficient to produce compliance as soon as reasonably
practical.

    

    LENDER'S RIGHTS. Upon default,
Lender may declare the entire unpaid principal balance on this Note and all
accrued unpaid interest immediately due, and then Borrower will pay that
amount.

    

    ATTORNEYS' FEES; EXPENSES.
Lender may hire or pay someone else to help collect this Note if Borrower does
not pay. Borrower will pay Lender that amount. This includes, subject to
any limits under applicable law, Lender's attorneys' fees and Lender's legal
expenses, whether or not there is a lawsuit, including attorneys' fees,
expenses for bankruptcy proceedings (including efforts to modify or vacate any
automatic stay or injunction), and appeals. If not prohibited by applicable
law, Borrower also will pay any court costs, in addition to all other sums
provided by law.

    

    GOVERNING
LAW. This Note will be governed by, construed and enforced in accordance with
federal law and the laws of the State of

    Washington.
This Note has been accepted by Lender in the State of Washington.

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    PROMISSORY
NOTE

    
      	
              Loan
      No: 0000000018

            	
              (Continued)

            	
              Page
      2

            

    

    

    

    DISHONORED ITEM FEE. Borrower will pay a fee to
Lender of $20.00 if Borrower makes a payment on Borrower's loan and the check
or preauthorized charge with which Borrower pays is later
dishonored.

    

    RIGHT OF SETOFF. To the extent
permitted by applicable law, Lender reserves a right of setoff in all Borrower's
accounts with Lender (whether checking, savings, or some other account).
This includes all accounts Borrower holds jointly with someone else and all
accounts Borrower may open in the future. However, this does not include
any IRA or Keogh accounts, or any trust accounts for which setoff would be
prohibited by law. Borrower authorizes Lender, to the extent permitted by
applicable law, to charge or setoff all sums owing on the debt against any and
all such accounts.

    

    SUCCESSOR INTERESTS. The terms
of this Note shall be binding upon Borrower, and upon Borrower's heirs, personal
representatives, successors and assigns, and shall inure to the benefit of
Lender and its successors and assigns.

    

    GENERAL PROVISIONS. Lender may
delay or forgo enforcing any of its rights or remedies under this Note without
losing them. Borrower and any other person who signs, guarantees or
endorses this Note, to the extent allowed by law, waive presentment, demand for
payment, and notice of dishonor. Upon any change in the terms of this Note,
and unless otherwise expressly stated in writing, no party who signs this
Note, whether as maker, guarantor, accommodation maker or endorser, shall
be released from liability. All such parties agree that Lender may renew or
extend (repeatedly and for any length of time) this loan or release any party or
guarantor or collateral; or impair, fail to realize upon or
perfect Lender's security interest in the collateral; and take any other
action deemed necessary by Lender without the consent of or notice to
anyone. All such parties also agree that Lender may modify this loan
without the consent of or notice to anyone other than the party with whom
the modification is made. The obligations under this Note are joint and
several.

    

    PRIOR
TO SIGNING THlS NOTE, BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS OF THlS
NOTE, INCLUDING THE VARIABLE

    INTEREST
RATE PROVISIONS. BORROWER AGREES TO THE TERMS OF THE NOTE.

    

    BORROWER
ACKNOWLEDGES RECEIPT OF A COMPLETED COPY OF THlS PROMISSORY NOTE.

    

    
      	BORROWER:	 
	 	 
	ZNOMICS,
      INC.	 
	 	 
	By:  /s/ Richard A
      Sessions    	By:  /s/ Roger D. Cone
	Richard
      A Sessions, CEO of Znomics, Inc.	Roger D. Cone,
      President/CSO of Znomics, Inc.

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    

    CORPORATE
RESOLUTION TO BORROW / GRANT COLLATERAL

    

    
      	
              Principal

              $50,000

            	
              Loan
      Date

              01-06-2004

            	
              Maturity

              01-01-2009

            	
              Loan
      No

              0000000018

            	
              Call/
      Coll

            	
              Account

              0010255221

            	
              Officer

              ***

            	
              Initials

            
	
              References
      in the shaded area are for Lender's use only and do not limit the
      applicability of this document to any particular loan or
item.

              Any
      item above containing " * " has been omitted due to text length
      limitations.

            

    

     

    
      	
              Borrower:     ZNOMICS,
      INC.

                                      2611
      SW 3RD ST STE 200

                                      PORTLAND,
      OR 97201

            	
              Lender:          Washington
      Mutual Bank, FA

                                      Small
      Business Lending – Seattle

                                      3200
      Southwest Freeway, Suite HOU1547

                                      Houston,
      TX 77027

               

            

    

    

    I,
THE UNDERSIGNED, DO HEREBY CERTIFY THAT:

    

    THE CORPORATION'S EXISTENCE.
The complete and correct name of the Corporation is ZNOMICS, INC.
("Corporation"). The Corporation is a corporation for profit which is, and
at all times shall be, duly organized, validly existing, and in good standing
under and by virtue of the laws of the State of Delaware. The Corporation
is duly authorized to transact business in all other states in which the
Corporation is doing business, having obtained all necessary filings,
governmental licenses and approvals for each state in which the Corporation is
doing business. Specifically, the Corporation is, and at all times shall
be, duly qualified as a foreign corporation in all states in which the failure
to so qualify would have a material adverse effect on its business or
financial condition. The Corporation has the full power and authority to own
its properties and to transact the business in which it is presently
engaged or presently proposes to engage. The Corporation maintains an office
at 261 1 SW 3RD ST STE 200, PORTLAND, OR 97201. Unless the Corporation has
designated otherwise in writing, the principal office is the office at
which the Corporation keeps its books and records. The Corporation will notify
Lender prior to any change in the location of the Corporation's state of
organization or any change in the Corporation's name. The Corporation shall do
all things necessary to preserve and to keep in full force and effect its
existence, rights and privileges, and shall comply with all regulations, rules,
ordinances, statutes, orders and decrees of any governmental or
quasi-governmental authority or court applicable to the Corporation and the
Corporation's business activities.

    

    RESOLUTIONS ADOPTED. At a
meeting of the Directors of the Corporation, or if the Corporation is a close
corporation having no Board of Directors then at a meeting of the
Corporation's shareholders, duly called and held on , at which a quorum was
present and voting, or by other duly authorized action in lieu of a
meeting, the resolutions set forth in this Resolution were adopted.

    

    OFFICERS. The following named
persons are officers of ZNOMICS, INC.:

    

    
      	
              NAMES

            	
              TITLES

            	
              AUTHORIZED

            	
              ACTUAL
      SIGANTURES

            
	
              RICHARD
      A SESSIONS

            	
              CEO

            	
              Y

            	
              /s/
      Richard A
      Sessions

            
	
              ROGER
      D CONE

            	
              PRESIDENT/
      CSO

            	
              Y

            	
              /s/
      Roger D
    Cone

            

    

    

    ACTIONS AUTHORIZED. Any two
(2) of the authorized persons listed above may enter into any agreements of any
nature with Lender, and those agreements will bind the Corporation.
Specifically, but without limitation, any two (2) of such authorized persons are
authorized, empowered, and directed to do the following for and on behalf
of the Corporation:

    

    Borrow Money. To borrow, as a
cosigner or otherwise, from time to time from Lender, on such terms as may be
agreed upon between the Corporation and Lender, such sum or sums of money
as in their judgment should be borrowed, without limitation.

    

    Execute Notes. To execute and
deliver to Lender the promissory note or notes, or other evidence of the
Corporation's credit accommodations, on Lender's forms, at such rates of
interest and on such terms as may be agreed upon, evidencing the sums of money
so borrowed or any of the Corporation's indebtedness to Lender, and also to
execute and deliver to Lender one or more renewals,
extensions, modifications, refinancings, consolidations, or substitutions
for one or more of the notes, any portion of the notes, or any other evidence
of credit accommodations.

    

    Grant Security. To mortgage,
pledge, transfer, endorse, hypothecate, or otherwise encumber and deliver to
Lender any property now or hereafter belonging to the Corporation or in
which the Corporation now or hereafter may have an interest, including without
limitation all real property and all personal property (tangible or
intangible) of the Corporation, as security for the payment of any loans or
credit accommodations so obtained, any promissory notes so executed
(including any amendments to or modifications, renewals, and extensions of
such promissory notes), or any other or further indebtedness of the Corporation
to Lender at any time owing, however the same may be evidenced. Such
property may be mortgaged, pledged, transferred, endorsed, hypothecated or
encumbered at the time such loans are obtained or such indebtedness is
incurred, or at any other time or times, and may be either in addition to or in
lieu of any property theretofore mortgaged, pledged, transferred, endorsed,
hypothecated or encumbered.

    

    Execute Security Documents. To
execute and deliver to Lender the forms of mortgage, deed of trust, pledge
agreement, hypothecation agreement, and other security agreements and
financing statements which Lender may require and which shall evidence the terms
and conditions under and pursuant to which such liens and encumbrances, or
any of them, are given; and also to execute and deliver to Lender any other
written instruments, any chattel paper, or any other collateral, of any kind or
nature, which Lender may deem necessary or proper in connection with or
pertaining to the giving of the liens and encumbrances. Notwithstanding the
foregoing, any one of the above authorized persons may execute, deliver, or
record financing statements.

    

    Negotiate Items. To draw,
endorse, and discount with Lender all drafts, trade acceptances, promissory
notes, or other evidences of indebtedness payable to or belonging to the
Corporation or in which the Corporation may have an interest, and either to
receive cash for the same or to cause such proceeds to be credited to the
Corporation's account with Lender, or to cause such other disposition of
the proceeds derived therefrom as they may deem advisable.

    

    Further Acts. In the case of
lines of credit, to designate additional or alternate individuals as being
authorized to request advances under such lines, and in all cases, to do
and perform such other acts and things, to pay any and all fees and costs, and
to execute and deliver such other documents and agreements as the officers
may in their discretion deem reasonably necessary or proper in order to carry
into effect the provisions of this Resolution.

    

    ASSUMED BUSINESS NAMES. The
Corporation has filed or recorded all documents or filings required by law
relating to all assumed business names used by the Corporation. Excluding
the name of the Corporation, the following is a complete list of all assumed
business names under which the Corporation does business: None.

    

    NOTICES TO LENDER. The
Corporation will promptly notify Lender in writing at Lender's address shown
above (or such other addresses as Lender may designate from time to time)
prior to any (A) change in the Corporation's name; (B) change in the
Corporation's assumed business name(s); (C) change in the management of the
Corporation; (D) change in the authorized signer(s); (E) change in the
Corporation's principal office address; (F) change in the Corporation's
state of organization; (G) conversion of the Corporation to a new or
different type of business entity; or (H) change in any other aspect of the
Corporation that directly or indirectly relates to any agreements between
the Corporation and Lender. No change in the Corporation's name or state of
organization will take effect until after Lender has received
notice

    

    ADDITIONAL ACTIONS AUTHORIZED -
INTEREST RATE SWAP PROVISIONS. (A) A "Swap Transaction" shall mean an
interest rate swap, interest rate cap, interest rate floor, interest rate
collar, Treasury lock ,
Treasury cap, Treasury
floor, Treasury collar, barrier option, forward rate agreement, cross
currency swap, foreign exchange forward contract, options on any of the
foregoing, or combinations of any of the foregoing.

    

    (B) (This
section (B) to apply to the borrower only.) TO enter into any Swap Transaction
with Lender, to take all steps necessary to effectuate and perform such
Swap Transaction, including but not limited to the execution and delivery to
Lender of an ISDA Master Agreement and/or Foreign Exchange Transaction
Master Agreement, together with any and all exhibits and annexes thereto as may
be requested by Lender, the execution and delivery of confirmations of such
Swap Transaction, and the execution and delivery of all documents and agreements
required pursuant to any of the foregoing; to mortgage, pledge, transfer,
endorse, hypothecate, or otherwise encumber and deliver to Lender
any property now or hereafter belonging to the Corporation or in which the
Corporation now or hereafter may have an interest, including
without limitation all real property and all personal property (tangible or
intangible) of the Corporation, as security for the payment of any indebtedness
of the Corporation to the Lender arising out of a Swap Transaction, however
the same may be evidenced. Such property may be mortgaged, pledged,
transferred, endorsed, hypothecated or encumbered at the time the Swap
Transaction is entered into, or at any other time or times, and may be
either in addition to or in lieu of any property theretofore mortgaged, pledged,
transferred, endorsed, hypothecated or encumbered.

    

    (C) (This
section (C) to apply to the guarantor only.) For the avoidance of doubt, the
phrase "other financial accommodations to Borrower from Lender" used in the
subparagraph entitled "Guaranty" (within the "Actions Authorized" paragraph,
above) shall be deemed to include Lender's entrance into any Swap
Transaction with the Borrower, however the same may be evidenced.

    

    CERTIFICATION CONCERNING OFFICERS AND
RESOLUTIONS. The officers named above are duly elected, appointed, or
employed by or for the Corporation, as the case may be, and occupy the
positions set opposite their respective names. This Resolution now stands of
record on the books of the Corporation, is in full force and effect, and
has not been modified or revoked in any manner whatsoever.

    

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    CORPORATE
RESOLUTION TO BORROW / GRANT COLALTERAL

    

    
      	
              Loan
      No: 0000000018

            	
              (Continued)

            	
              Page2

            

    

    

    

    NO CORPORATE SEAL. The
Corporation has no corporate seal, and therefore, no seal is affixed to this
Resolution.

    

    CONTINUING VALIDITY. Any and
all acts authorized pursuant to this Resolution and performed prior to the
passage of this Resolution are hereby ratified and approved. This
Resolution shall be continuing, shall remain in full force and effect and Lender
may rely on it until written notice of its revocation shall have been
delivered to and received by Lender at Lender's address shown above (or such
addresses as Lender may designate from time to time). Any such notice shall
not affect any of the Corporation's agreements or commitments in effect at the
time notice is given.

    

    IN
TESTIMONY WHEREOF, I have hereunto set my hand and attest that the signatures
set opposite the names listed above are their
genuine signatures.

    

    I
have read all the provisions of this Resolution, and I personally and on behalf
of the Corporation certify that all statements and representations

    made
in this Resolution are true and correct. This Corporate Resolution to Borrow I
Grant Collateral is dated 01/05/04
.

    

    THlS
RESOLUTION IS GIVEN UNDER SEAL AND IT IS INTENDED THAT THlS RESOLUTION IS AND
SHALL CONSTITUTE AND HAVE THE

    EFFECT
OF A SEALED INSTRUMENT ACCORDING TO LAW.

     

    
      	CERTIFIED TO
      AND ATTESTED BY:
	 
	By:  /s/ Richard A Sessions
      (seal)
	Corporate
      Secretary of Znomics, Inc.

    

     

    

    NOTE:
If the officers signing this Resolution are designated by the foregoing document
as one of the officers authorized to act on the Corporation's behalf, it is
advisable to have this Resolution signed by at least one non-authorized
officer of the Corporation.williamstowerpsa.htm

     

    

     

     

    CONTRACT
      OF SALE

     

    

     

    between

     

    

     

    TRANSCO
      TOWER LIMITED,

    a
      Texas limited partnership, Seller

     

    

     

    and

     

    Hines
      REIT Properties, L.P., Purchaser

     

    

     

    Dated
      as of:  March 18, 2008

     

    

     

    Property:

     

    

     

    Parcel
      I:  2800 Post Oak Boulevard, Houston, Texas

     

    Parcel
      II:  3009 South Post Oak Boulevard, Houston,
      Texas

     

    

     

    

    

     

    

    
      
        
                

             
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

    

    TABLE
      OF
      CONTENTS

     

     

    ARTICLE
      1

     

     

    THE
      PROPERTY; PURCHASE PRICE

     

    
      	
              SECTION
                1.01. The Property

            	 

    

    
      	
              SECTION
                1.02. Purchase Price

            	 

    

     

    ARTICLE
      2

     

     

    THE
      CLOSING; DOWNPAYMENT

     

    
      	
              SECTION
                2.01. The Closing

            	 

    

    
      	
              SECTION
                2.02. Application of Downpayment

            	 

    

     

    ARTICLE
      3

     

     

    TITLE
      TO
      THE PROPERTY; REAL ESTATE RECORDS

     

    
      	
              SECTION
                3.01. Title to the Property

            	 

    

    
      	
              SECTION
                3.02. Elimination of Liens

            	 

    

    
      	
              SECTION
                3.03. Violations

            	 

    

    
      	
              SECTION
                3.04. Real Estate Records

            	 

    

    
      	
              SECTION
                3.05. Cancellation of Service Contracts

            	 

    

     

    ARTICLE
      4

     

     

    REPRESENTATIONS
      AND WARRANTIES

     

    
      	
              SECTION
                4.01. Seller's Representations and Warranties

            	 

    

    
      	
              SECTION
                4.02. Purchaser's Representations and Warranties

            	 

    

    
      	
               

            	
              SECTION
                4.03. Certain Limitations on Seller's Representations and
                Warranties

            

    

    
      	
              SECTION
                4.04. Survival of Representations and Warranties

            	 

    

    
      	
              SECTION
                4.05. No Other Representations or Warranties

            	 

    

    
      	
              SECTION
                4.06. Survival

            	 

    

     

    ARTICLE
      5

     

     

    COVENANTS
      OF SELLER

     

    
      	
              SECTION
                5.01. Covenants of Seller

            	 

    

     

    ARTICLE
      6

     

     

    COVENANTS
      OF PURCHASER

     

    
      	
              SECTION
                6.01. Covenants of Purchaser

            	 

    

    
      	
              SECTION
                6.02. Access to Inspect Davit System

            	 

    

     

    ARTICLE
      7

     

     

    CLOSING
      CONDITIONS AND DELIVERIES

     

    
      	
              SECTION
                7.01. Conditions to Seller's Obligations

            	 

    

    
      	
              SECTION
                7.02. Conditions to Purchaser's Obligations

            	 

    

    
      	
              SECTION
                7.03. Seller's Closing Documents

            	 

    

    
      	
              SECTION
                7.04. Purchaser's Closing Documents

            	 

    

    
      	
              SECTION
                7.05. Conditions Generally

            	 

    

    
      	
              SECTION
                7.06. Post-Closing Deliveries

            	 

    

     

    ARTICLE
      8

     

     

    FEES
      AND
      CHARGES

     

    
      	
              SECTION
                8.01. Charges paid by Purchaser

            	 

    

    
      	
              SECTION
                8.02. Charges paid by Seller

            	 

    

    
      	
              SECTION
                8.03. Other charges

            	 

    

    
      	
              SECTION
                8.04. Survival

            	 

    

     

    ARTICLE
      9

     

     

    CLOSING
      APPORTIONMENTS

     

    
      	
              SECTION
                9.01. Apportionments and Payments

            	 

    

    
      	
              SECTION
                9.02. Apportionment of Rents and Other Charges

            	 

    

    
      	
              SECTION
                9.03. Survival

            	 

    

     

    ARTICLE
      10

     

     

    CONDEMNATION
      AND DESTRUCTION; INSURANCE

     

    
      	
              SECTION
                10.01. Condemnation

            	 

    

    
      	
              SECTION
                10.02. Destruction

            	 

    

    
      	
              SECTION
                10.03. Insurance

            	 

    

    
      	
              SECTION
                10.04. Uniform Vendor and Purchaser Risk Act

            	 

    

     

    ARTICLE
      11

     

     

    INDEMNITIES

     

    
      	
              SECTION
                11.01. Due Diligence Indemnity

            	 

    

    
      	
              SECTION
                11.02. Additional Indemnities

            	 

    

    
      	
              SECTION
                11.03. Indemnification Generally

            	 

    

    
      	
              SECTION
                11.04. Survival

            	 

    

     

    ARTICLE
      12

     

     

    BROKER

     

    
      	
              SECTION
                12.01. Broker

            	 

    

     

    ARTICLE
      13

     

     

    REMEDIES

     

    
      	
              SECTION
                13.01. Default by Seller

            	 

    

    
      	
              SECTION
                13.02. Liquidated Damages – Downpayment

            	 

    

     

    ARTICLE
      14

     

     

    THIRD
      PARTY COMMUNICATIONS

     

    
      	
               

            	
              SECTION
                14.01. Communication with Governmental
                Authorities

            

    

    
      	
              SECTION
                14.02. Communication with Employees

            	 

    

     

    ARTICLE
      15

     

     

    MISCELLANEOUS
      PROVISIONS

     

    
      	
              SECTION
                15.01. Notices

            	 

    

    
      	
              SECTION
                15.02. Acceptance of the Premises

            	 

    

    
      	
              SECTION
                15.03. Press Releases; Confidentiality

            	 

    

    
      	
               

            	
              SECTION
                15.04. Records; Cooperation with Purchaser's Auditors and SEC Filing
                Requirements

            

    

    
      	
              SECTION
                15.05. Assignment

            	 

    

    
      	
              SECTION
                15.06. Business Days

            	 

    

    
      	
              SECTION
                15.07. Binding Effect

            	 

    

    
      	
              SECTION
                15.08. Partial Invalidity

            	 

    

    
      	
              SECTION
                15.09. Recordation of Agreement

            	 

    

    
      	
              SECTION
                15.10. Entire Agreement

            	 

    

    
      	
              SECTION
                15.11. Further Assurances

            	 

    

    
      	
              SECTION
                15.12. Enforcement

            	 

    

    
      	
              SECTION
                15.13. Amendment

            	 

    

    
      	
              SECTION
                15.14. Governing Law

            	 

    

    
      	
              SECTION
                15.15. Exhibits

            	 

    

    
      	
              SECTION
                15.16. No Waiver

            	 

    

    
      	
               

            	
              SECTION
                15.17. Headings; Article, Section and Exhibit
                References

            

    

    
      	
              SECTION
                15.18. No Other Parties

            	 

    

    
      	
              SECTION
                15.19. Counterparts

            	 

    

    
      	
              SECTION
                15.20. Waiver of Jury Trial

            	 

    

    
      	
              SECTION
                15.21. Time Is of the Essence

            	 

    

    

     

    

     

    

    
      
        
                

                              
                          
              NYDOCS03/857828.2                                                                                 
            
          
          
              
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

    

    EXHIBITS

     

    
      	
              EXHIBIT
                A

            	
              Description
                of Land (Section 1.01)

            

    

     

    
      	
              EXHIBIT
                B

            	
              Escrow
                Agreement (Section 1.02(b))

            

    

     

    
      	
              EXHIBIT
                C

            	
              Permitted
                Exceptions (Section 3.01(a))

            

    

     

    
      	
              EXHIBIT
                D

            	
              Threatened
                Partial Condemnation (Section
                4.01(d))

            

    

     

    
      	
              EXHIBIT
                E-1

            	
              Property
                Licenses and Leases (Section
                4.01(e))

            

    

     

    
      	
              EXHIBIT
                E-2

            	
              Brokerage
                Agreements (Section 4.01(e))

            

    

     

    
      	
              EXHIBIT
                E-3

            	
              Tenant
                Improvement Obligations and Allowance (Section
                4.01(e))

            

    

     

    
      	
              EXHIBIT
                F

            	
              Security
                Deposits (Section 4.01(f))

            

    

     

    
      	
              EXHIBIT
                G

            	
              Service
                Contracts (Section 4.01(g))

            

    

     

    
      	
              EXHIBIT
                H

            	
              Licenses
                and Permits (Section 4.01(h))

            

    

     

    
      	
              EXHIBIT
                I

            	
              Violations
                (Section 4.01(i))

            

    

     

    
      	
              EXHIBIT
                J-1

            	
              Form
                of Tenant's Estoppel Certificate (Section
                5.01(d))

            

    

     

    
      	
              EXHIBIT
                J-2

            	
              Form
                of Seller's Estoppel Certificate (Section
                5.01(d))

            

    

     

    
      	
              EXHIBIT
                J-3

            	
              Form
                of Skybridge Estoppel Certificate (Section
                5.01(e))

            

    

     

    
      	
              EXHIBIT
                K

            	
              Special
                Warranty Deed (Section 7.03(a))

            

    

     

    
      	
              EXHIBIT
                L

            	
              Bill
                of Sale (Section 7.03(b))

            

    

     

    
      	
              EXHIBIT
                M

            	
              Assignment
                and Assumption of Leases (Section
                7.03(c))

            

    

     

    
      	
              EXHIBIT
                N

            	
              Assignment
                and Assumption of Service Contracts (Section
                7.03(d))

            

    

     

    
      	
              EXHIBIT
                O

            	
              Assignment
                and Assumption of Licenses and Permits (Section
                7.03(e))

            

    

     

    
      	
              EXHIBIT
                P

            	
              Assignment
                of Guarantees and Warranties (Section
                7.03(f))

            

    

     

    
      	
              EXHIBIT
                Q-1

            	
              Letter
                to Tenants (Section 7.03(h))

            

    

     

    
      	
              EXHIBIT
                Q-2

            	
              Letter
                to Contractors (Section 7.03(h))

            

    

     

    
      	
              EXHIBIT
                R

            	
              Form
                of Certificate of Non Foreign Status (Section
                7.03(p))

            

    

     

    
      	
              EXHIBIT
                S

            	
              Seller's
                Certificate (Section 7.03(r))

            

    

     

    
      	
              EXHIBIT
                T

            	
              Owner's
                Affidavit (Section 7.03(s))

            

    

     

    
      	
              EXHIBIT
                U

            	
              Form
                of Receipt for Security Deposits (Section
                7.04(b))

            

    

     

    

     

    

    
      
        
                

                              
                          NYDOCS03/857828.2                                                                   
          
          
              
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

    

    CONTRACT
      OF SALE

     

    THIS
      CONTRACT OF SALE (this "Agreement"), dated as of March 18, 2008, is
      made between TRANSCO TOWER LIMITED, a Texas limited partnership
      ("Seller"), having an address at c/o Fosterlane Management Corporation,
      400 Northcreek, Suite 700, 3715 Northside Parkway, Atlanta Georgia 30327, and
      Hines REIT Properties, L.P., a Delaware limited partnership,
      ("Purchaser") having an office at 2800 Post Oak Boulevard, Suite 5000,
      Houston, Texas 77056.

     

    WITNESSETH:

     

    WHEREAS,
      Seller desires to sell to Purchaser, and Purchaser desires to purchase from
      Seller, all that certain property described in Section 1.01 on the
      terms and conditions hereinafter set forth.

     

    NOW,
      THEREFORE, in consideration of the premises and of the mutual promises,
      covenants and agreements hereinafter set forth, and subject to the terms and
      conditions hereof, Seller and Purchaser hereby covenant and agree as
      follows:

     

    ARTICLE
      1                                

     

    THE
      PROPERTY; PURCHASE PRICE

     

    SECTION
      1.01.  The
      Property

     

    .  Seller
      shall sell, assign, transfer and convey to Purchaser, and Purchaser shall
      purchase from Seller, at the price and upon and subject to the terms and
      conditions hereof, that certain plot, piece and parcel of land located at:
      (A)
      2800 Post Oak Boulevard, Houston Texas, as more particularly described in
Exhibit A as follows:  (i) the entirety of the land comprising
      Tract I, commonly referred to as the Williams Tower ("Tract I"); (ii) the
      easements appurtenant to Tract I consisting of Tract I(A), Tract I(B), and
      Tract
      I(C), ("Tract I Easements"); (iii) an undivided 47.78% interest in the
      land comprising Tract II, commonly referred to as the Park ("Tract II");
      and (iv) the easement appurtenant to Tract II consisting of Tract II(A)
      ("Tract II Easement", together with Tract I, Tract I Easements and Tract
      II, "Parcel I"); and  (B) 3009 South Post Oak Boulevard,
      Houston, Texas, as more particularly described in Exhibit A as follows:
      the entirety of the land comprising Tract III ("Parcel II" and together
      with Parcel I, the "Land"), together with all of Seller's right, title
      and interest in and to (i) all strips, gores, easements, rights of way,
      privileges, appurtenances and other rights pertaining to the Land including,
      without limitation, the rights to any vaults under the adjoining sidewalks,
      (ii)
      any land lying in the bed of any street, road or avenue, opened or proposed,
      public or private, in front of or adjoining the Land to the center line thereof,
      (iii) all of the buildings and improvements, located on the Land (collectively,
      the "Buildings"), (iv) all of the fixtures, machinery,
      equipment  and personal property owned by Seller and used in
      connection with or attached to the Land or the Buildings (the "Personal
      Property"), (v) the Leases (as hereinafter defined), Property Licenses (as
      hereinafter defined) and other occupancy agreements and all amendments and
      modifications thereto, and the benefit of any guaranties thereof for space
      in
      the Buildings, including, without limitation, leases which may be made by Seller
      after the date hereof and before Closing (as hereinafter defined) in accordance
      with the provisions hereof, and all security deposits and prepaid rent, if
      any,
      thereunder (subject to apportionment as hereinafter provided), (vi) all
      intangible personal property used in the operation and management of the
      Buildings, including without limitation, all of the names under which the Land
      and the Buildings are being operated (the "Intangible Property"), (vii)
      the plans and specifications and all architectural and engineering studies,
      reports, drawings and prints relating to the Land or the Personal Property,
      (viii) to the extent assignable, all unexpired warranties relating to the
      foregoing, (ix) to the extent assignable, all Restricted Service Contracts
      (as hereinafter defined) to the extent provided below, (x) to the extent
      assignable, all licenses, permits and other written authorizations held by
      Seller in connection with the foregoing, (xi) to the extent assignable, all
      copyrights, logos, designs and trademarks used in connection with the Property,
      and the goodwill associated therewith, (xii) all files related to any
      tenant with a Lease at the Property (each, a "Tenant"), and (xiii) any
      and all claims, awards or proceeds arising from, or made in connection with,
      the
      potential taking referred to in correspondence attached hereto as Exhibit
      D (the "Threatened Partial Condemnation") regardless of whether the
      Threatened Partial Condemnation shall occur on or prior or subsequent to
      Closing; but excluding the following:  (w) all proprietary information
      of Seller and its managing agent including, without
      limitation,  computer software (but not the data pertaining to the
      operation of the Property), related licenses and appraisals, (x) the Excluded
      Records (as hereinafter defined) and (y) except as expressly to the contrary
      set
      forth in this Agreement, any rights or interests of Seller as owner of the
      Property arising prior to the Closing, including  the
      following:  tax refunds which are not due to Tenants pursuant to
      Leases in effect at Closing, casualty and condemnation proceeds for any damage
      which has been repaired prior to Closing, Tenant security deposits applied
      in
      accordance with the terms of this Agreement and the applicable Leases to rental
      accrued prior to Closing, utility deposits and rental arrearages and
      attributable to periods prior to the Closing.  Notwithstanding the
      foregoing, "Personal Property" expressly excludes, and Seller shall not
      be required to convey if owned by or licensed to Seller or its managing agent
      or
      any affiliate of either Seller or its managing agent, any computer programs,
      software and documentation thereof, electronic data processing systems, program
      specifications, source codes, logos, input data, report layouts and forms,
      record file layouts, diagrams, functional specifications and variable
      descriptions, flow charts and other related material used in connection
      therewith.  The Land, the Buildings, the Personal Property, the
      Leases, the Intangible Property and all other rights, improvements and property
      heretofore mentioned, which are to be transferred to Purchaser, are referred
      to
      collectively herein as the "Property").

     

    SECTION
      1.02.  Purchase
      Price

     

    .  (a)  The
      purchase price for the Property (the "Purchase Price") is Two Hundred
      Seventy One Million Five Hundred Thousand Dollars and No/100 Dollars
      ($271,500,000.00), payable by Purchaser as follows:

     

    (i)  Five
      Million and 00/100 Dollars ($5,000,000.00) (the "Purchase Downpayment")
      was paid by Purchaser on February 26, 2008 to Shearman & Sterling LLP, as
      escrowee (the "Initial Escrowee"); and the Purchase Downpayment shall be
      wire transferred by Initial Escrowee to Escrowee (defined below) immediately
      upon execution of this Agreement by Seller; except as otherwise expressly stated
      herein, upon execution of this Agreement by Purchaser and Seller, the Purchase
      Downpayment shall not be refundable to Purchaser after this Agreement is
      executed by Seller;

     

    (ii)  Twenty
      Five Million and 00/100 Dollars ($25,000,000.00) which, together with the
      Purchase Downpayment, totals Thirty Million and 00/100 Dollars ($30,000,000.00)
      (the "Downpayment"), shall be delivered by Purchaser, on the third
      Business Day following the execution and delivery of this Agreement by Seller
      and Purchaser, to Charter Title Company, as escrowee ("Escrowee") by wire
      transfer of immediately available funds to Escrowee's Account as
      follows:  Bank
      of America, 330 So. Beaudry Ave., Los Angeles, CA 90017,
      ABA:  026009593, LandAmerica Charter Title Company Escrow, Account No.
      1235053071, Re: 1033002490 ("Escrow Account") or by Purchaser's
      good unendorsed certified or bank check payable to the order of "Land America
      Charter Escrow (Re: 1033002490)"
      to Charter Title Company, 717 Texas Avenue, Suite 1700, Houston, Texas 77002,
      Attention:  Mr. Garry Carr.  Except as otherwise expressly
      stated herein, the Downpayment shall not be refundable to Purchaser;
      and

     

    (iii)  The
      balance of the Purchase Price, to wit, Two Hundred Forty One  Million
      Five Hundred Thousand and No/100 Dollars ($241,500,000.00), as the same may
      be
      adjusted in accordance with Article 9 hereof on the Closing Date (as
      hereinafter defined), shall be delivered by Purchaser by wire transfer of
      immediately available funds to the escrow account of Escrowee designated above
      and, at the Closing, Purchaser shall deliver written instructions to Escrowee
      to
      wire transfer the Downpayment plus any interest earned thereon to an account
      designated by Seller in writing prior to the Closing Date and Escrowee shall
      so
      wire transfer such funds.

     

    (b)  Seller
      and Purchaser, by their execution of this Agreement, shall be deemed to have
      instructed Initial Escrowee to transfer the Purchase Downpayment to Escrowee
      as
      promptly as possible following the execution and delivery of this Agreement
      by
      Seller and Purchaser.  The Downpayment, together with any accrued
      interest thereon, shall be held and paid by Escrowee in accordance with the
      terms and provisions of the Escrow Agreement in the form of
Exhibit B, which shall be executed by the parties thereto
      simultaneously with the execution of this Agreement.

     

    (c)  Purchaser
      and Seller agree that no portion of the Purchase Price shall be allocated to
      the
      Personal Property.

     

    ARTICLE
      2                                

     

    THE
      CLOSING; DOWNPAYMENT

     

    SECTION
      2.01.  The
      Closing

     

    .  The
      closing of the sale and purchase of the Property (the "Closing") shall
      take place in accordance with Article 7 of this Agreement at
      1:00 p.m., Eastern Standard Time, on May 1, 2008, or such earlier date as
      Seller and Purchaser may agree in writing (said time and date, as the same
      may
      be adjourned pursuant to the terms of this Agreement, the "Closing
      Date").  Time shall be of the essence with respect to the
      performance of the obligations of Purchaser hereunder on or prior to the Closing
      Date.

     

    SECTION
      2.02.  Application
      of Downpayment

     

    .  (a)  If
      the Closing occurs as contemplated hereunder, then the Downpayment and all
      interest, if any, shall be paid to and retained by Seller and shall be credited
      against the Purchase Price.

     

    (b)  In
      the
      event the Closing does not occur as contemplated hereunder because of a default
      by Purchaser under this Agreement, the Downpayment and all interest, if any,
      shall be paid to and retained by Seller in accordance with the Escrow
      Agreement.

     

    (c)  In
      the
      event the Closing does not occur as contemplated hereunder because (i) of a
      default by Seller under this Agreement, (ii) any of the conditions set
      forth in Section 7.02 hereof are not satisfied and Purchaser elects
      to terminate this Agreement as a result thereof or (iii) this Agreement is
      terminated due to a fire or other casualty or a condemnation pursuant to the
      provisions of Article 10 hereof, then, subject to
Section 13.01, the Downpayment and all interest, if any, shall be
      paid to and retained by Purchaser.

     

    ARTICLE
      3                                

     

    TITLE
      TO THE PROPERTY; REAL ESTATE RECORDS

     

    SECTION
      3.01.  Title
      to the Property

     

    .  (a)  Purchaser
      shall accept title to the Property subject to the matters listed on
Exhibit C (the "Permitted Exceptions").

     

    (b)  If
      Seller
      shall so request, Purchaser will allow Seller to pay from the balance of the
      Purchase Price as much thereof as may be necessary to satisfy any lien or
      encumbrance that Seller is obligated or elects to cure hereunder and Escrowee
      shall effect such additional wire transfers as necessary to obtain releases
      and
      discharges of such liens or encumbrances.

     

    (c)  Purchaser
      shall, within ten (10) days of the date hereof, cause Escrowee, on behalf of
      Chicago Title Insurance Company (the "Title Company") to deliver directly
      to Seller and Purchaser the Title Company's commitment to issue to Purchaser
      an
      owner's policy of title insurance with respect to the  Property (the
      "Title Commitment").  Notwithstanding anything contained in
      this Agreement to the contrary, Seller agrees to remove any (i) deeds of
      trust, mortgages or other financing liens encumbering Seller's interest in
      the
      Property, (ii) mechanics' and materialmen's liens caused by Seller or its agents
      but which are not the obligation of any tenant with a Lease at the Property
      (“Tenant”) or those claiming by, through or under any such Tenants,
      (iii) liens or other title exceptions resulting solely from acts of Seller
      or its agents; or (iv) other liens or encumbrances (excluding those under
      (i) and (ii) above) that secure other monetary obligations, which in the
      aggregate do not exceed One Hundred Thousand and 00/100 Dollars ($100,000.00);
      provided, however, that Seller shall have no obligation to remove
      any lien that is the obligation of any Tenant  to discharge or to
      bring any action or proceeding to remove liens of the type described in the
      preceding clause (collectively, "Curable Title
      Exceptions").  Within five (5) days after the delivery to
      Purchaser of each update, continuation or supplement of the Title Commitment,
      Purchaser shall deliver to Seller a written statement ("Exceptions
      Notice") setting forth any encumbrances affecting, or other defects in or
      objections to, title to the Property disclosed by such materials and not
      reflected in the Title Commitment or prior update other than Permitted
      Exceptions ("Additional Exceptions") to which Purchaser
      objects.  The failure by Purchaser to deliver an Exceptions Notice
      within the time period specified therefor, or, if delivered, the failure to
      note
      any particular Additional Exception therein, shall constitute a waiver by
      Purchaser of any and all Additional Exceptions disclosed by the materials which
      are or would be the subject of such Exceptions Notice and which are not so
      noted
      in such Exceptions Notice, and all such Additional Exceptions not so noted
      shall
      be deemed Permitted Exceptions (except that in no event shall any Curable Title
      Exceptions be Permitted Exceptions).

     

    (d)  If
      Purchaser timely notifies Seller of any Additional Exceptions in accordance
      with
      Section 3.01(c), Seller shall be entitled to reasonable adjournments of the
      Closing (but in no event to a date more than thirty (30) days after the
      originally scheduled Closing Date due to such adjournments) during which Seller
      may attempt to remove such Additional Exceptions; provided,
however, that Seller shall not be required to bring any action or
      proceeding, or take any steps, or otherwise incur any expense to remove any
      Additional Exception (other than an Additional Exception that is in the nature
      of a deed of trust or mortgage entered into by Seller or is a Curable Title
      Exception, which Seller agrees to discharge at or prior to
      Closing).  If for any reason Seller is unable or unwilling to remove
      any Additional Exception as of the Closing Date, as such date may be adjourned
      pursuant to this Section 3.01(d), Seller shall so notify
      Purchaser.  If such notice is given by Seller, Purchaser shall elect
      to either (i) terminate this Agreement by giving notice to Seller, in which
      event the provisions of Section 13.01(b) shall apply or
      (ii) perform all of Purchaser's obligations hereunder and accept title to
      the Property subject to such uncured Additional Exceptions without any abatement
      of the Purchase Price or liability on the part of Seller
      therefor.  Purchaser shall make its election between clauses (i) and
      (ii) of the immediately preceding sentence by written notice to Seller given
      not
      later than 5:00 P.M., Eastern Standard Time, on the fifth (5th) Business
      Day
      following Seller's notice to Purchaser as to such Additional
      Exception.  If Purchaser shall fail to give such written notice as
      aforesaid, it shall be deemed to have elected clause (i)
      above.  Notwithstanding the foregoing provisions of this Section
      3.01(d), in the event that Purchaser notifies Seller of an Additional
      Exception which is not a Permitted Exception, Seller shall have no obligation
      to
      eliminate such exception and Purchaser shall have no right to terminate the
      Agreement by reason of any lien caused by any Tenant or those claiming through
      such Tenant (which liens are not Seller’s responsibility to remove) if the Title
      Company shall insure over such liens without the payment of additional premium
      by either party.

     

    SECTION
      3.02.  Elimination
      of Liens

     

    . In
      lieu of eliminating any Curable Title Exceptions or Additional Exceptions,
      which
      Seller is required to eliminate under this Agreement, Seller may, in its sole
      discretion, deposit with the Title Company such amount of money as may be
      determined by the Title Company as being sufficient to induce the Title Company,
      without the payment of any additional premium by Purchaser, to omit such title
      objections from both the Purchaser’s Title Policy and, if applicable, the title
      insurance policy for Purchaser’s lender.

     

    SECTION
      3.03.  Violations

     

    .  Subject
      to the last sentence of the second paragraph of Section 4.05(c),
      Purchaser shall purchase the Property subject to any and all notes or notices
      of
      violations of law, or municipal ordinances, orders, designations or requirements
      related to the condition of the Property whatsoever noted in or issued by any
      federal, state, municipal or other governmental department, agency or bureau
      or
      any other Governmental Authority (as defined hereafter) having jurisdiction
      over
      the Property (collectively, "Violations"), or any condition or state of
      repair or disrepair or other matter or thing related to the condition of the
      Property, whether or not noted, which, if noted, would result in a Violation
      being placed on the Property.  For purposes of this Agreement, the
      term "Governmental Authority" means the United States of America, the
      State of Texas, County of Harris and City of Houston, and any political
      subdivision, agency, authority, department, court, commission, board, bureau
      or
      instrumentality of any of the foregoing which has or is asserting jurisdiction
      over Seller or over the Property.  Seller shall have no duty to remove
      or comply with or repair any of the aforementioned Violations, and, subject
      to
      the last sentence of the second paragraph of Section 4.05(c), Purchaser
      shall accept the Property subject to all Violations, the existence of any
      conditions at the Property that would give rise to such Violations, if any,
      and
      any governmental claims arising from the existence of such Violations, in each
      case without any abatement of or credit against the Purchase Price.

     

    SECTION
      3.04.  Real
      Estate Records

     

    .  (a)  Prior
      to the date hereof, Purchaser has had access to the Real Estate Records (as
      hereinafter defined).  Except as expressly provided herein, Seller
      makes no representation or warranty as to the accuracy or completeness of the
      Real Estate Records or any other document, instrument or agreement reviewed
      by
      Purchaser.  For purposes of this Agreement, "Real Estate
      Records" shall mean the following, to the extent the same are in Seller's
      possession:

     

    (i)  2005,
      2006 and 2007 operating statements for the Property;

     

    (ii)  Inventory
      of Personal Property;

     

    (iii)  Copies
      of
      real estate and other ad valorem tax statements relating to the Property for
      the
      current tax year and for the twelve (12) months prior to the date of this
      Agreement;

     

    (iv)  A
      list of
      maintenance work orders with respect to the Property for the twelve (12) months
      prior to the date of this Agreement;

     

    (v)  Copies
      of
      capital improvement contracts with respect to the Property for the twelve (12)
      months preceding the date of this Agreement;

     

    (vi)  Copies
      of
      environmental and engineering reports, if any, relating to the
      Property;

     

    (vii)  All
      construction plans and specifications relating to the Property;

     

    (viii)  A
      copy of
      any existing "as-built" survey of the Property;

     

    (ix)  Copies
      of
      the Leases and Property Licenses (including all amendments thereto and
      guarantees thereof, if any);

     

    (x)  A
      current
      rent roll and delinquency report with respect to the Property;

     

    (xi)  Copies
      of
      all Service Contracts and Licenses and Permits (as such terms are hereinafter
      defined) and guaranties and warranties related to the operation of the Property;
      and

     

    (xii)  Copies
      of
      such Property Information (as defined in the Site Access Agreement) as may
      have
      been located in the Data Room (as defined in the Site Access Agreement) or
      otherwise provided to Purchaser pursuant to the Site Access Agreement from
      time
      to time.

     

    Notwithstanding
      the foregoing, "Real Estate Records" shall not include, and Seller and
      Purchaser hereby agree that Seller is not providing or making available to
      Purchaser, (A) records that relate to internal matters of Seller (such as
      income tax returns, financial statements, intercorporate debt and equity,
      corporate governance, investment advisory services and other professional
      relationships), (B) the work papers, memoranda, analysis, appraisals,
      correspondence and similar materials prepared by or for Seller in connection
      with the negotiation and documentation of the transaction contemplated hereby,
      and (C) the preparation and/or delivery by Seller or Broker (as defined
      hereafter) of any reports or summaries relating to the Property that are
      unreasonable in cost and scope (the "Excluded Records").

     

    (b)  Purchaser
      shall continue to have access to the Real Estate Records, as updated, through
      Closing.

     

    SECTION
      3.05.  Cancellation
      of Service Contracts

     

    .    If
      Purchaser desires that Seller cancel any Service Contracts (as hereinafter
      defined), and such Service Contracts are cancelable without cause and without
      payment of a cancellation fee or any other consideration (the "Desired
      Cancelled Service Contracts"), Purchaser shall provide Seller with a list of
      such Service Contracts no later than the date that is ten (10) days after the
      date hereof.  Seller shall not be obligated to cancel, or seek to
      cancel, any Service Contracts that are not cancelable without cause and without
      payment of a cancellation fee or any other consideration (collectively
      "Restricted Service Contracts").  Purchaser shall be obligated
      to assume all Restricted Service Contracts with respect to the period from
      and
      after the Closing.  Seller shall, on or before the Closing Date,
      notify all parties under the Desired Cancelled Service Contracts of such
      cancellation.  Purchaser understands and agrees that certain Desired
      Cancelled Service Contracts may remain in effect after the Closing through
      the
      expiration of the contractual termination period thereunder and that Purchaser
      shall be responsible for all payments and other obligations under such Desired
      Cancelled Service Contracts arising after the Closing other than for collection
      or other similar payments, which shall be made by Seller at the time of the
      Closing.  Any Service Contracts that Purchaser elects to assume, to
      the extent assignable, shall be deemed Restricted Service Contracts for purposes
      of this Agreement.

     

    ARTICLE
      4                                

     

    REPRESENTATIONS
      AND WARRANTIES

     

    SECTION
      4.01.  Seller's
      Representations and Warranties

     

    .  Seller
      hereby represents and warrants to Purchaser, subject to Sections 4.03,
4.04 and 4.05, that:

     

    (a)  Seller
      is
      a limited partnership duly formed and validly existing and in good standing
      under the laws of the State of Texas.

     

    (b)  This
      Agreement and the consummation of the transactions contemplated hereby have
      been
      duly authorized by all necessary action on the part of Seller and the person
      executing this Agreement on behalf of Seller possesses the authority to bind
      Seller to the terms contained herein, upon the assumption that this Agreement
      constitutes a legal, valid and binding obligation of Purchaser, this Agreement
      constitutes a legal, valid and binding obligation of Seller.

     

    (c)  The
      execution and delivery of this Agreement and the consummation of the
      transactions contemplated hereby by Seller do not and will not (i) violate
      or conflict with the Certificate of Limited Partnership or the Partnership
      Agreement of Seller, (ii) violate or conflict with any judgment, decree or
      order of any court applicable to or affecting Seller, (iii) breach the
      provisions of, or constitute a default under, in any material respect, any
      contract, agreement, instrument or obligation to which Seller is a party or
      by
      which Seller is bound or (iv) violate or conflict with any law or
      governmental regulation or permit applicable to Seller.

     

    (d)  Except
      as
      set forth in Exhibit D, Seller has not received written notice of any
      pending or threatened condemnation of all or any portion of the
      Property.

     

    (e)  The
      leases (the "Leases") and license agreements (the "Property
      Licenses") listed in Exhibit E-1 constitute all of the leases
      and license agreements affecting the Property (excluding, however, subleases
      or
      sublicenses executed by a Tenant or those claiming by, through or under them),
      and (1) except as set forth on Exhibit E-1 the Property Licenses and
      Leases have not been further modified or amended, (2) the agreements listed
      on Exhibit E-2 are the only agreements providing for commissions on
      any Leases with outstanding commission amounts due and payable thereunder (the
      "Brokerage Agreements"), which amounts will be paid by Seller as of
      Closing, (3) except as set forth in the estimated budgeted amounts listed on
      Exhibit E-3, subject to change based on actual expense, all required
      tenant improvements to be completed by Seller, as landlord under the Leases,
      and
      all tenant improvement allowances to be paid by Seller, as landlord under the
      Leases, have been completed or paid, as the case may be, and the tenant
      improvement obligations and tenant improvement allowances, in either case as
      set
      forth on Exhibit E-3, if uncompleted or unpaid, as the case may be,
      by Seller, as landlord under the Leases, as of the close of business on the
      day
      immediately preceding the Closing Date, shall be subject to an adjustment in
      favor of Purchaser in the amount of the uncompleted or unpaid obligations or
      allowances, if any, and (4) Seller has delivered to Purchaser true and
      complete copies of the Property Licenses and Leases.

     

    (f)  No
      security deposits in the form of cash deposits or letters of credit have been
      paid to Seller by or on behalf of any of Tenants except as set forth in
Exhibit F.

     

    (g)  Attached
      hereto as Exhibit G is a list of all service, maintenance and supply
      contracts affecting the Property in effect on the date hereof to which Seller
      is
      a party (the "Service Contracts"), and except as set forth on
Exhibit G:  (i) the Service Contracts have not been
      further modified or amended and are in force and effect, and (ii) Seller
      has made available to Purchaser true and complete copies of the Service
      Contracts.

     

    (h)  Attached
      hereto as Exhibit H is a list of all licenses and permits from
      Governmental Authorities held by Seller in connection with its ownership of
      the
      Property (collectively, the "Licenses and Permits") and Seller has made
      available to Purchaser true and complete copies of the Licenses and
      Permits.

     

    (i)  Except
      as
      set forth in Exhibit I, to Seller's actual knowledge, Seller has not
      received written notice from any Government Authority to the effect that the
      present condition of the Property violates any building or environmental
      regulation, which violation remains uncured.

     

    (j)  To
      Seller's actual knowledge, Seller has not received written notice of the
      pendency or threat of any action, suit legal proceeding, or other proceeding
      against Seller in any court or before any arbitrator of any kind or before
      or by
      any governmental body, which, if determined adversely to Seller, would (i)
      adversely affect Seller's ability to consummate the transactions contemplated
      by
      this Agreement or (ii) adversely affect the Property.

     

    (k)  The
      Designated Person (as hereinafter defined) is the person within Seller's asset
      management organization who has primary responsibility within such organization
      for oversight of the operation and management of the Property.  The
      managing agent for the Property is required to notify the Designated Person
      of
      any written notice or actual knowledge of the matters set forth in Sections
      4.01(d), (e), (i) and (j).

     

    (l)  Seller
      has not (i) made a general assignment for the benefit of creditors,
      (ii) filed any voluntary petition in bankruptcy or suffered the filing of
      any involuntary petition by Seller's creditors that remains pending,
      (iii) suffered the appointment of a receiver to take possession of all, or
      substantially all, of Seller's assets that remains pending, (iv) suffered
      the attachment or other judicial seizure of all, or substantially all, of
      Seller's assets that remains pending, (v) admitted in writing its inability
      to pay its debts as they come due or (vi) made an offer of settlement,
      extension or composition to its creditors generally.

     

    (m)  Either
      (x) Seller is not (i) an "employee benefit plan" (within the meaning
      of Section 3(3) of the Employee Retirement Income Security Act of 1974, as
      amended ("ERISA")), (ii) a "plan" (within the meaning of
      Section 4975 of the Internal Revenue Code of 1986, as amended (the
      "Code")), or (iii) an entity whose underlying assets are treated as
      "plan assets" for purposes of ERISA by reason of an employee benefit plan's
      investment in such entity or (y) the sale of the Property by Seller is
      exempt from the prohibited transaction restrictions of Section 406 of ERISA
      and Section 4975 of the Code pursuant to a prohibited transaction statutory
      or class exemption.

     

    (n)   Neither
      Seller nor, to Seller's actual knowledge, any of its affiliates are in violation
      in any material respect of any laws relating to terrorism, money laundering
      or
      Title III of the Uniting and Strengthening America by Providing Appropriate
      Tools Required to Intercept and Obstruct Terrorism Act of 2001, Public Law
      107-56 and Executive Order No. 13224 (Blocking Property and Prohibiting
      Transactions with persons Who Commit, Threaten to Commit, or Support Terrorism)
      (the "Executive Order") (collectively, the "Anti-Money Laundering and
      Anti-Terrorism Laws").

     

    Neither
      Seller nor, to Seller's actual knowledge, any of its affiliates are acting,
      directly or indirectly, on behalf of terrorists, terrorist organizations or
      narcotics traffickers, including those persons or entities that appear on the
      Annex to the Executive Order, or are included on any similar lists maintained
      by
      the Office of Foreign Assets Control of U.S. Department of Treasury, U.S.
      Department of State, or other U.S. government agencies, identified to Seller
      by
      Purchaser.

     

    Neither
      Seller nor, to Seller's actual knowledge, any of its affiliates or, without
      inquiry, any of its brokers or other agents, in any capacity in connection
      with
      the sale of the Property (i) knowingly conduct or conducts any business or
      engages in making or receiving any contribution of funds, goods or services
      to
      or for the benefit of any person included in the lists set forth in the
      preceding paragraph; (ii) knowingly deals or deal in, or otherwise engages
      in any transaction relating to, any property or interests in property blocked
      pursuant to the Executive Order; or (iii) engages or engage in or conspires
      or conspire to engage in any transaction that evades or avoids, or has the
      purpose of evading or avoiding, or attempts to violate, any of the prohibitions
      set forth in any Anti-Money Laundering and Anti-Terrorism Laws.

     

    Seller
      understands and acknowledges that Purchaser may become subject to further
      anti-money laundering regulations, and agrees to execute instruments, provide
      information, or perform any other acts as may reasonably be requested by
      Purchaser, for the purpose of:  (i) carrying out due diligence as
      may be required by applicable law to establish Seller's identity;
      (ii) maintaining records of such identities, or verifications or
      certifications as to the same; and (iii) taking any other actions as may be
      required to comply with and remain in compliance with anti-money laundering
      regulations applicable to Seller.

     

    (o)  To
      Seller’s actual knowledge, all of the Real Estate Records delivered or made
      available to Purchaser are true, correct and complete copies of such records
      as
      existing in Seller's files.

     

    SECTION
      4.02.  Purchaser's
      Representations and Warranties

     

    .  Purchaser
      hereby represents and warrants to Seller that:

     

    (a)  Purchaser
      is a limited partnership duly organized and validly existing and in good
      standing under the laws of the State of Delaware.

     

    (b)  Purchaser
      is in good standing in the State of Texas, and at Closing, Purchaser’s permitted
      assignee will be in good standing in the State of Texas and will
      be  qualified to transact business in the State of Texas.

     

    (c)  This
      Agreement and the consummation of the transactions contemplated hereby have
      been
      duly authorized by all necessary action on the part of Purchaser and the person
      executing this Agreement on behalf of Purchaser possesses the authority to
      bind
      Purchaser to the terms contained herein, upon the assumption that this Agreement
      constitutes a legal, valid and binding obligation of Seller, this Agreement
      constitutes a legal, valid and binding obligation of Purchaser.

     

    (d)  The
      execution and delivery of this Agreement and the consummation of the
      transactions contemplated hereby do not and will not (i) violate or
      conflict with any of the organizational and governance documents of Purchaser,
      (ii) violate or conflict with any judgment, decree or order of any court
      applicable to or affecting Purchaser, (iii) breach the provisions of, or
      constitute a default under, in any material respect, any contract, agreement,
      instrument or obligation to which Purchaser is a party or by which Purchaser
      is
      bound or (iv) violate or conflict with any law or governmental regulation
      or permit applicable to Purchaser.

     

    (e)  Purchaser
      has not (i) made a general assignment for the benefit of creditors,
      (ii) filed any voluntary petition in bankruptcy or, to Purchaser's
      knowledge, suffered the filing of an involuntary petition by Purchaser's
      creditors, (iii) suffered the appointment of a receiver to take possession
      of all, or substantially all, of Purchaser's assets, (iv) suffered the
      attachment or other judicial seizure of all, or substantially all, of
      Purchaser's assets, (v) admitted in writing its inability to pay its debts
      as they come due or (vi) made an offer of settlement, extension or
      composition to its creditors generally.

     

    (f)  It
      is
      expressly acknowledged and agreed by Purchaser that this transaction is not
      subject to any financing contingency and that no financing for this transaction
      shall be provided by Seller.  Purchaser has or will have at the
      Closing Date sufficient cash, available lines of credit or other sources of
      immediately available funds to enable it to make payment of the Purchase Price
      and any other amounts to be paid by it hereunder.

     

    (g)  Either
      (x) Purchaser is not using the assets of (i) an "employee benefit
      plan" (within the meaning of Section 3(3) of ERISA), (ii) a
      "plan" (within the meaning of Section 4975 of the Code) or
      (iii) an entity whose underlying assets are treated as "plan assets" for
      purposes of ERISA by reason of an employee benefit plan's or a plan's investment
      in such entity, to fund its purchase of the Property or (y) the purchase of
      the Property by Purchaser is exempt from the prohibited transaction restrictions
      of Section 406 of ERISA and Section 4975 of the Code pursuant to a
      prohibited transaction statutory or class exemption.

     

    (h)  Neither
      Purchaser nor, to Purchaser's actual knowledge, any of its affiliates is in
      violation in any material respect of any laws relating to terrorism, money
      laundering or the Anti-Money Laundering and Anti-Terrorism Laws.

     

    Neither
      Purchaser nor, to Purchaser's
      actual knowledge, any of its affiliates is acting, directly or indirectly,
      on
      behalf of terrorists, terrorist organizations or narcotics traffickers,
      including those persons or entities that appear on the Annex to the Executive
      Order, or are included on any similar lists maintained by the Office of Foreign
      Assets Control of U.S. Department of Treasury, U.S. Department of State, or
      other U.S. government agencies, identified to Purchaser by Seller.

     

    Neither
      Purchaser nor, to Purchaser's
      actual knowledge, any of its affiliates or, without inquiry, any of its brokers
      or other agents, in any capacity in connection with the purchase of the Property
      (i) knowingly conducts any business or engages in making or receiving any
      contribution of funds, goods or services to or for the benefit of any person
      included in the lists set forth in the preceding paragraph; (ii) knowingly
      deals in, or otherwise engages in any transaction relating to, any property
      or
      interests in property blocked pursuant to the Executive Order; or
      (iii) engages in or conspires to engage in any transaction that evades or
      avoids, or has the purpose of evading or avoiding, or attempts to violate,
      any
      of the prohibitions set forth in any Anti-Money Laundering and Anti-Terrorism
      Laws.

     

    Purchaser
      understands and acknowledges
      that Seller may become subject to further anti-money laundering regulations,
      and
      agrees to execute instruments, provide information, or perform any other acts
      as
      may reasonably be requested by Seller, for the purpose
      of:  (i) carrying out due diligence as may be required by
      applicable law to establish Purchaser's identity and source of funds;
      (ii) maintaining records of such identities and sources of funds, or
      verifications or certifications as to the same; and (iii) taking any other
      actions as may be required to comply with and remain in compliance with
      anti-money laundering regulations applicable to Purchaser.

     

    SECTION
      4.03.  Certain
      Limitations on Seller's Representations and Warranties

     

    .  The
      representations and warranties of Seller set forth in Section 4.01
      are subject to the following express limitations:

     

    (a)  Seller
      does not represent or warrant that any particular Service Contract will be
      in
      force or effect as of the Closing or that the parties, other than Seller, to
      the
      Service Contracts, will not be in default under their respective Service
      Contracts;

     

    (b)  The
      expiration or termination of any Service Contract shall not affect the
      obligations of Purchaser hereunder or render any representation or warranty
      of
      Seller untrue;

     

    (c)  Seller
      does not represent or warrant that any particular Lease will be in force and
      effect on the Closing Date or that the Tenants will have performed their
      obligations thereunder and any delivery or receipt of written notice of default
      under any Lease or any other termination of any Lease on or after the date
      hereof shall not affect the obligations of Purchaser hereunder or make any
      representation or warranty of Seller contained herein untrue;

     

    (d)  To
      the
      extent that Purchaser knows or is deemed to know prior to the Closing Date
      that
      any of Seller's representations and warranties contained in this Agreement
      are
      inaccurate, untrue or incorrect in any way, then, subject to Section 7.02(a),
      such representations and warranties shall be deemed modified to reflect
      Purchaser's knowledge or deemed knowledge, as the case may be.  For
      purposes of this Agreement, Purchaser shall be "deemed to know" that a
      representation or warranty is untrue, inaccurate or incorrect to the extent
      that
      this Agreement, the documents and other materials referred to in Section 4.01
      and the Exhibits referenced therein, the Title Commitment, any Tenant Estoppel
      Certificate (as hereinafter defined) executed by any Tenant and delivered to
      Purchaser, or any studies, tests, reports or analysis prepared by or for
      Purchaser or any of its employees, agents, representatives or attorneys (all
      of
      the foregoing being herein collectively referred to as “Purchaser’s
      Representatives”) contain information that is inconsistent with, or different
      from, such representation or warranty and to the extent that Hines Interests
      Limited Partnership (“HILP”) in its role as the property manager of the
      Property possesses knowledge, information, documents or materials that are
      inconsistent with or different from, such representation or
      warranty;

     

    (e)  The
      existence of any note or notice of violation relating to a fact, condition
      or
      circumstance discoverable by Purchaser from any Governmental Authority having
      jurisdiction over the Property shall not affect the obligations of Purchaser
      hereunder or render any representation or warranty of Seller untrue and Seller
      shall have no obligation to take steps to cure the same.

     

    (f)  for
      purposes of this Agreement, "to Seller's actual knowledge", "to the knowledge
      of
      Seller", "to the best knowledge of Seller", or "known to Seller" (or words
      of
      similar meaning) shall mean to the actual knowledge of Chet Ehlers, Seller's
      asset manager for the Property (the “Designated Person”), without
      independent investigation or inquiry by such individual and without any
      imputation to such individual or to Seller whatsoever; and

     

    (g)  as
      used
      in this Agreement, any reference to a written notice received by Seller shall
      mean actual documentary notice which, to the actual knowledge of the Designated
      Person, has been received by Seller from a governmental entity, Tenant, vendor
      or any other third party asserting a claim, liability, or violation against
      Seller and shall not include any constructive notice or any statement by a
      party
      other than the party giving notice that any such notice has been
      given.

     

    SECTION
      4.04.  Survival
      of Representations and Warranties

     

    .  (a)  The
      only representations, warranties and agreements of Seller or Purchaser hereunder
      that will survive the Closing are those that are specifically stated herein
      to
      survive.  The representations and warranties of Seller contained in
Section 4.01 and the representations and warranties of Purchaser
      contained in Section 4.02 will survive the Closing, provided that
      any claim based upon any alleged breach thereof must be asserted in writing
      (in
      specific detail) and any proceeding in respect thereof must be commenced within
      three (3) months after the Closing Date, after which time, the survival
      period for the representations and warranties shall expire and be null and
      void
      with no further force or effect.

     

    (b)  Purchaser
      shall be deemed to have irrevocably waived any claim against Seller for a breach
      of any representation or warranty under Section 4.01(e) or (f) for
      any Lease with respect to which Seller has delivered to Purchaser a Tenant
      Estoppel Certificate from the Tenant thereunder to the extent that such Tenant
      Estoppel Certificate is in conformity with the applicable Lease and does not
      recite any state of facts materially inconsistent with such representations
      and
      warranties.

     

    Seller
      shall have no liability for any untrue or incorrect representation or warranty
      of Seller that survives the Closing unless and until the aggregate amount of
      Purchaser's monetary damages arising out of all such incorrect representations
      or warranties shall exceed, and then only to the extent the same exceeds Two
      Hundred Fifty Thousand Dollars and No/100 Dollars ($250,000.00).

     

    SECTION
      4.05.  No
      Other Representations or Warranties

     

    .  (a)  Purchaser
      represents, warrants and agrees that except for the representations and
      warranties contained herein, (i) Purchaser has examined the Property and is
      or will be familiar with the physical condition thereof and has or will have
      conducted such investigation of the Property as Purchaser considers appropriate,
      (ii) neither Seller nor any of the employees, agents, brokers or attorneys
      of
      Seller has made any verbal or written representations, warranties, promises
      or
      guaranties whatsoever to Purchaser, whether express or implied, and, in
      particular, that no such representations, warranties, promises or guaranties
      have been made with respect to the physical condition (including, without
      limitation,  the environmental condition) or operation of the
      Property, the actual or projected revenue and expenses of the Property, the
      zoning and other laws, regulations and rules applicable to the Property or
      the
      compliance of the Property therewith (including, without limitation, compliance
      with any applicable environmental or hazardous wastes law), the quantity,
      quality or condition of the articles of personal property and fixtures included
      in the transactions contemplated hereby, the use or occupancy of the Property
      or
      any part thereof or any other matter or thing affecting or related to the
      Property or the transactions contemplated hereby, except as, and solely to
      the
      extent, herein specifically set forth, and (iii) Purchaser has not relied
      upon any such representations, warranties, promises or guaranties or upon any
      statements made in any informational brochure with respect to the Property
      and
      has entered into this Agreement after having made and relied solely on its
      own
      independent investigation, inspection, analysis, appraisal, examination and
      evaluation of the facts and circumstances.

     

    (b)  Purchaser
      agrees to accept the Property "AS IS", "WHERE IS" and "WITH ALL FAULTS" in
      its
      present condition, subject to reasonable use, wear, tear and natural
      deterioration of the Property between the date hereof and the Closing Date
      and
      further agrees that Seller shall not be liable for any latent or patent defects
      in the Property.

     

    (c)  Purchaser
      shall rely solely upon Purchaser's own knowledge of the Property and its own
      inspection of the Property in determining the Property's physical
      condition.  Purchaser waives Purchaser's right to recover from Seller,
      Seller's parent company, members, partners, affiliates and subsidiaries, and
      their respective members, stockholders, directors, officers, participants,
      employees, consultants, representatives and agents, any and all damages, losses,
      liabilities, costs or expenses whatsoever, and claims therefor, whether direct
      or indirect, known or unknown, or foreseen or unforeseen, which may arise from
      or be related to (i) the physical condition of the Property and/or
      (ii) the Property's compliance or lack of compliance with any federal,
      state or local laws or regulations applicable thereto, and all regulations,
      rulings, and orders promulgated or adopted pursuant thereto other than
      Purchaser's right to recover damages, losses, liabilities, costs or expenses
      (x)
      with respect to a breach of any representation and warranty contained herein,
      or
      (y) pursuant to Section 11.02(a) hereof.

     

    In
      this
      connection and to the extent permitted by law, Purchaser hereby agrees,
      represents and warrants that Purchaser realizes and acknowledges that factual
      matters now unknown to it and to Seller may have given or may hereafter give
      rise to causes of action, claims, demands, debts, controversies, damages, costs,
      losses and expenses with respect to the condition of the Property that are
      presently unknown, unanticipated and unsuspected, and Purchaser further agrees,
      represents and warrants that the waivers and releases herein with respect to
      the
      condition of the Property have been negotiated and agreed upon in light of
      that
      realization and that Purchaser nevertheless hereby intends to release, discharge
      and acquit Seller from any such unknown causes of action, claims, demands,
      debts, controversies, damages, costs, losses and expenses with respect to the
      condition of the Property; and as material portion of the consideration given
      to
      Seller by Purchaser in exchange for Seller's performance hereunder, the waivers
      and releases herein have been negotiated and agreed upon in light of that
      realization and that Purchaser nevertheless hereby intends to release, discharge
      and acquit Seller, Seller's parent company, members, partners, affiliates and
      subsidiaries, and their respective members, stockholders, directors, officers,
      participants, employees, consultants, representatives and agents, from any
      such
      unknown causes of action, claims, demands, debts, controversies, damages, costs,
      losses and expenses with respect to the condition of the Property other than
      any
      causes of action, claims, demands, debts, controversies, damages, costs, losses
      and expenses (x) with respect to a breach of any representation or warranty
      of
      Seller contained herein, or (y) pursuant to Section 11.02(a)
      hereof.  Notwithstanding anything to the contrary contained herein,
      this release by Purchaser shall not apply to any claims arising during Seller’s
      period of Ownership made by unaffiliated third parties (including governmental
      authorities) against Purchaser or its successors, assigns, agents or
      affiliates.

     

    Seller
      has given purchaser material concessions regarding this transaction in exchange
      for Purchaser agreeing to the provisions of this
Section 4.05.  Seller and Purchaser have each initialed
      this Section 4.05 to further indicate their awareness and acceptance
      of each and every provision hereof.

     

    

    SELLER'S
      INITIALS                                                                           PURCHASER'S
      INITIALS

     

    SECTION
      4.06.  Survival

     

    .  The
      provisions of this Article 4 shall survive the Closing or earlier
      termination of this Agreement.

     

    ARTICLE
      5                                

     

    COVENANTS
      OF SELLER

     

    SECTION
      5.01.  Covenants
      of Seller

     

    .  From
      and after the date hereof until the Closing Date and except as otherwise
      expressly set forth to the contrary herein:

     

    (a)  the
      Property shall be operated substantially in the manner in which it presently
      is
      being operated;

     

    (b)  Seller
      shall maintain or cause to be maintained, at Seller's sole cost and expense,
      all
      policies of insurance required pursuant to Section 10.03;

     

    (c)  without
      the prior consent of Purchaser, which consent may be withheld in Purchaser's
      sole discretion, (A) no Lease shall be extended (other than pursuant to an
      option contained therein) or otherwise modified (other than pursuant to a right
      contained therein), (B) no new leases will be entered into by Seller,
      (C) Seller shall not consent to any assignment or sublease in connection
      with any Lease (except to the extent required to do so pursuant to any such
      Lease) and (D) no Service Contract shall be extended or otherwise modified
      by
      Seller nor shall any new service, maintenance or operating agreement be entered
      into by Seller unless the same is reasonably necessary for the normal operation
      of the Property prior to the Closing Date and may be terminated by Seller (and,
      after the Closing Date, by Purchaser) upon not more than thirty (30) days'
      written notice without the payment of any premium or penalty.  Seller
      shall deliver to Purchaser a notice of each proposed action hereunder, stating,
      if applicable, whether Seller is willing to consent to such action and setting
      forth the relevant information therefor and, if applicable, the number of days
      within which Seller must respond to the proposed action under the terms of
      the
      applicable Lease or Service Contract, and any other material information
      supplied to Seller as to the proposed action.  Purchaser shall have
      ten (10) days after delivery to it of such notice and information to
      determine whether to approve such action.  If Purchaser fails to give
      notice of its disapproval within such ten (10) day period, Purchaser shall
      be deemed to have approved such action.  If any Lease or any Service
      Contract requires (in Seller's reasonable determination) that Seller's consent
      be given in the circumstances (or not be unreasonably withheld), then Purchaser
      shall be deemed ipsofacto to have approved such
      action.  If any Lease or any Service Contract provides Seller with
      fewer than ten (10) days within which to grant any such approval or
      disapproval, such ten (10) day period provided for above shall be reduced
      to two (2) days less than the number of days provided for in such Lease or
      Service Contract;

     

    (d)  

     

    (i)  Seller
      shall request an estoppel certificate ("Tenant Estoppel Certificate")
      from each Tenant, which shall be substantially in the form attached hereto
      as
Exhibit J-1, provided that Paragraph 10 thereof may be revised to reflect
      the outstanding tenant improvement allowances as set forth in Exhibit E-3
      attached hereto.

     

    (ii)  Seller
      shall deliver or cause to be delivered to Purchaser drafts of the Tenant
      Estoppel Certificates within ten (10) Business Days after the date
      hereof.  Purchaser shall comment on or approve such drafts within
      three (3) Business Days after receipt thereof.  If Purchaser does not
      timely deliver comments to such drafts, the drafts of the Tenant Estoppel
      Certificates shall be deemed approved.  Seller shall deliver or cause
      to be delivered the Tenant Estoppel Certificates to each Tenant within three
      (3)
      Business Days after Purchaser approves or is deemed to have approved the drafts
      of the Tenant Estoppel Certificates.  Notwithstanding anything to the
      contrary herein, Seller shall have no liability to Purchaser if any Tenant
      fails
      to deliver a Tenant Estoppel Certificate for any reason, or if any Tenant
      delivers a Tenant Estoppel Certificate that contains a material and adverse
      change from the form provided to such Tenant or required to be delivered under
      the applicable Lease.

     

    (iii)  If
      Seller
      cannot for any reason obtain a Tenant Estoppel Certificate from the Tenant
      under
      any Required Lease (as hereinafter defined) on or prior to the originally
      scheduled Closing Date, Seller, at its option, (i) may adjourn the scheduled
      Closing Date for a period not to exceed sixty (60) days in order to attempt
      to
      obtain such Tenant Estoppel Certificate or (ii) deliver to Purchaser a
      Seller's (landlord) estoppel letter in the form of Exhibit J-2 (a
      "Seller Estoppel Certificate") for Tenants leasing, in the aggregate, no
      more than twenty five percent (25%) of the rentable space at the
      Property.  Seller shall not be permitted to deliver a Seller Estoppel
      Certificate with respect to any Material Lease (as defined below) in which
      a
      Tenant is leasing more than seventy five thousand (75,000) square feet within
      the Property but shall be permitted to deliver a Seller Estoppel Certificate
      for
      no more than one (1) of any of the Material Leases in which a Tenant is leasing
      less than seventy five thousand (75,000) square feet within the
      Property.

     

    (iv)  Seller's
      liability under any Seller Estoppel Certificate shall expire and be of no
      further force or effect on the earlier of (A) the day that is three (3)
      months following the Closing Date and (B) if Seller shall obtain a Tenant
      Estoppel Certificate from the applicable Tenant after delivery of a Seller
      Estoppel Certificate for the same Lease, the day such Tenant Estoppel
      Certificate is delivered to Purchaser; provided, however, if any such Tenant
      Estoppel Certificate contains a material and adverse change from the form
      provided to such Tenant or required to be delivered under the applicable Lease,
      then the corresponding Seller Estoppel Certificate shall continue in full force
      and effect until the day specified in clause (A) above.  A Seller
      Estoppel Certificate substantially in the form of Exhibit J-2 that
      does not recite any state of facts materially inconsistent with the
      representations and warranties set forth in Section 4.01(e) or
(f), subject, however, to Section 4.03(c), shall be deemed to
      comply with the requirements of each Lease and to satisfy the condition
      contained in Section 7.03(q) with respect to the applicable
      Tenant.

     

    (v)  If
      a
      Tenant Estoppel Certificate discloses a material default, a potential material
      default or a previously undisclosed material obligation of Seller, then subject
      to Section 4.03(c) hereof, Seller, at its option, may adjourn the
      scheduled Closing Date for a period not to exceed thirty (30) days in order
      to attempt to have such Tenant Estoppel Certificate reissued without such change
      or disclosure.  If a Tenant Estoppel Certificate contains a material
      and adverse change to the form of estoppel certificate as approved by Purchaser
      and sent to the applicable Tenant, Seller shall deliver a copy of same to
      Purchaser, and Purchaser shall have three (3) Business Days from receipt of
      any
      such Tenant Estoppel Certificate to either (a) approve such Tenant Estoppel
      Certificate as delivered by such Tenant or (b) reject the changes to such Tenant
      Estoppel Certificate, in which case such Tenant Estoppel Certificate shall
      not
      be considered obtained for the purpose of satisfying the condition to Closing
      set forth in Section 7.03(q).  Purchaser agrees that it shall
      conduct its review of each Tenant Estoppel Certificate reasonably and that
      its
      approval or rejection of any Tenant Estoppel Certificate shall not be
      unreasonably withheld, conditioned or delayed. The foregoing to the contrary
      notwithstanding, Purchaser agrees further that a Tenant Estoppel Certificate
      shall be considered not materially and adversely changed unless it contains
      a
      material and adverse change to Sections 2, 5, 6, 7 or 10 of Exhibit
      J-1.  If Purchaser does not timely object to the changes to any such
      Tenant Estoppel Certificate, the applicable Tenant Estoppel Certificate shall
      be
      deemed to be approved by Purchaser.

     

    (vi)  The
      term
      "Material Lease" means the Leases between Seller, as landlord, and
      Tenants leasing more than 40,000 rentable square feet within the
      Property.  The term "Required Leases" shall mean the Material
      Leases and Leases for the remaining Tenants leasing, together with the Material
      Leases, in the aggregate of seventy-five percent (75%) of the rentable space
      at
      the Property.

     

    (vii)  Some
      of
      the Leases may require the Tenants to deliver estoppel certificates but do
      not
      require the Tenants thereunder to deliver Tenant Estoppel Certificates in the
      form attached hereto as Exhibit J-1;

     

    (viii)  Pursuant
      to the terms of this Section 5.01(d), Seller will send or cause to be sent
      the
      Tenant Estoppel Certificates in the form attached hereto as Exhibit J-1,
      but with respect to such Leases that do not require that Tenants deliver the
      Tenant Estoppel Certificates in the form attached hereto as J-1, so long as
      (x)
      such Tenant delivers the estoppel certificate required to be delivered by such
      Tenant under its Lease and also recites the amount of the unfunded Tenant
      improvement allowance, if any, under its Lease or (y) such Tenant delivers
      the
      Tenant Estoppel Certificate attached hereto as Exhibit J-1, which was sent to
      Tenant by Seller or HILP,  marked or otherwise modified to reflect the
      information required of such Tenant in its respective Lease, Purchaser shall
      accept the same as satisfaction of the condition contained in
Section 7.03(q) with respect to such Tenant;

     

    (ix)  For
      the
      purposes hereof and the satisfaction of the condition contained in Section
      7.03(q), Seller shall be deemed to have obtained a Tenant Estoppel
      Certificate from Hines Interests Limited Partnership and Hines Real Estate
      Securities, Inc.; and

     

    (e)  Seller
      shall request an estoppel certificate ("Skybridge Estoppel Certificate")
      from Stanford Financial, the owner of the 2700 South Post Oak Building, which
      shall be substantially in the form attached hereto as Exhibit
      J-3;

     

    (f)  with
      respect to any security deposits held by Seller on the Closing Date in the
      form
      of letters of credit that are not transferable by Seller as landlord, Seller
      shall request that the applicable Tenants deliver new letters of credit ("New
      Letters of Credit"), issued in favor of Purchaser by a date not later than
      the Closing Date, but Seller shall not have any liability for the failure of
      such Tenants to so furnish New Letters of Credit and the failure of such Tenants
      to furnish New Letters of Credit shall not affect the obligations of Purchaser
      to proceed with the Closing.  With respect to any letters of credit
      not transferable by Seller as landlord and for which New Letters of Credit
      are
      not issued as of the Closing Date, Seller shall, until a New Letter of Credit
      is
      issued in favor of Purchaser, take all reasonable action, as directed by
      Purchaser (and agree in writing to hold such letters of credit as Purchaser's
      nominee) and without obligation to incur any expenses which are not advanced
      by
      Purchaser, in connection with the safekeeping, handling and presentment of
      such
      letters of credit for payment as permitted under the terms of the applicable
      Lease; and in consideration of Seller's agreement as aforesaid, Purchaser shall
      indemnify and hold harmless Seller as provided in Section 11.03 of
      this Agreement for liability arising out of or resulting from Seller's actions
      relating to such letters of credit after the Closing Date, which obligation
      shall survive the Closing; and

     

    (g)  with
      respect to any financing that may be obtained by Purchaser with respect to
      the
      purchase of the Property, Seller shall use commercially reasonable
      efforts  to cooperate with Purchaser with respect to obtaining
      documents that are related to the Property and reasonably required by a lender
      or lenders providing financing to Purchaser with respect to the acquisition
      of
      the Property.  The foregoing notwithstanding,  (i) any
      failure by Seller to obtain such documents sought by Purchaser or Purchasers’
lender or lenders pursuant to this Section 5.01 (g) or to comply with any other
      requests or requirements made pursuant to this Section 5.01(g) shall not be
      deemed a default of Seller hereunder or a condition to Purchaser’s obligation to
      pay the Purchase Price at Closing; (ii) unless otherwise required hereunder
      as a
      condition to Purchaser’s obligation to Closing in Section 7.02, neither the
      existence nor the adequacy of the documents or materials provided to Purchaser
      or to its lender pursuant to this Section 5.01(g) shall constitute a condition
      to Purchaser’s obligation to pay the Purchase Price at Closing; and (iii) Seller
      shall not incur any expenses or additional liability in connection with this
      Section 5.01(g).

     

    ARTICLE
      6                                

     

    COVENANTS
      OF PURCHASER

     

    SECTION
      6.01.  Covenants
      of Purchaser

     

    .  Purchaser
      acknowledges that all information in respect of the Property furnished to
      Purchaser is and has been so furnished on the condition that Purchaser maintain
      the confidentiality thereof.  Accordingly, Purchaser acknowledges its
      obligations under the Confidentiality Agreement and the Site Access Agreement
      and reaffirms such obligations as if the same were set forth herein in their
      entirety.  The provisions of this Section 6.01 shall
      survive the Closing or any termination of this Agreement.  The term
      "Confidentiality Agreement" shall mean that certain Confidentiality
      Agreement executed by Purchaser concurrently with the submission of this
      Agreement to Seller.  The term "Site Access Agreement" shall
      mean that certain Site Access Agreement by and between Hines Interests Limited
      Partnership and Seller dated December 10, 2007.  The provisions of
Section 15.03 hereof shall govern over this Section.

     

    SECTION
      6.02.  Access
      to Inspect Davit System

     

    .
      Subject
      to the provisions of this Section 6.02, Purchaser agrees that Seller or
      its representatives or agents acting by, for or on behalf of Seller, may access
      the Property for the purpose of inspecting the davit system (the
      "Equipment") in connection with pursuing any rights that Seller may have
      against McCrory Engineering, Inc. ("McCrory") under that certain Building
      Services Contract between Seller and McCrory dated January 31, 1997, as amended
      (which contract has since expired), or at law or in equity, in connection with
      any work that McCrory has performed on or utilizing the Equipment and any
      damages that may have occurred as a result thereof. Seller will indemnify
      Purchaser for any actual damages directly resulting from such inspection of
      the
      Equipment or access to Property.  If Seller or its representatives or
      agents desire to access the Property, Seller shall contact Purchaser's property
      manager prior to any such access to coordinate and schedule such access, and
      Purchaser or Purchaser's property manager, at Purchaser's option, shall have
      the
      right to accompany Seller or its representatives or agents.  Any such
      access shall occur within one hundred eighty (180) days after the Closing
      Date.  The provisions of this Section 6.02 shall survive
      Closing for a period of one hundred eighty (180) days.

     

    ARTICLE
      7                                

     

    CLOSING
      CONDITIONS AND DELIVERIES

     

    SECTION
      7.01.  Conditions
      to Seller's Obligations

     

    .  The
      obligation of Seller to transfer the Property to Purchaser and to otherwise
      consummate the transaction contemplated hereby shall be subject to the
      satisfaction of the following conditions precedent on and as of the Closing
      Date:

     

    (a)  All
      material representations and warranties of Purchaser contained in this Agreement
      shall have been true in all material respects when made and shall be true in
      all
      material respects at and as of the Closing Date as if such representations
      and
      warranties were made at and as of the Closing Date, and Purchaser shall have
      performed and complied in all material respects with all material covenants,
      agreements and conditions required by this Agreement to be performed or complied
      with by Purchaser prior to or at the Closing Date;

     

    (b)  Escrowee
      shall have received Purchaser's Closing Documents;

     

    (c)  Seller
      shall have received payment of the balance of the Purchase Price in accordance
      with Section 1.02(a)(iii) and such other amounts as are due Seller
      hereunder; and

     

    (d)  No
      order,
      writ, injunction or decree shall have been entered and be in effect by any
      court
      of competent jurisdiction, and no law shall have been promulgated or enacted
      and
      be in effect, that restrains, enjoins or invalidates the transactions
      contemplated hereby.

     

    SECTION
      7.02.  Conditions
      to Purchaser's Obligations

     

    .  Purchaser's
      obligation to pay the Purchase Price, to purchase the Property and otherwise
      consummate the transactions contemplated hereby shall be subject to the
      satisfaction of the following conditions precedent on and as of the Closing
      Date:

     

    (a)  Subject
      to Section 4.03, all representations and warranties of Seller
      contained in this Agreement shall have been true in all material respects when
      made and shall be true in all material respects at and as of the Closing Date
      as
      if such representations and warranties were made at and as of the Closing Date,
      and Seller shall have performed and complied in all material respects with
      all
      material covenants, agreements and conditions required by this Agreement to
      be
      performed or complied with by Seller prior to or at the Closing
      Date.  In the event that on or prior to the Closing, Seller becomes
      aware that any of such representations and warranties are not correct in all
      material respects, Seller shall promptly notify Purchaser of such
      inaccuracy.  As used in this Section 7.02(a), "material"
      shall mean any matter which decreases (or potentially could decrease) the value
      of the Property by at least Two Hundred Fifty Thousand and 00/100 Dollars
      ($250,000).  If any of said representations and warranties is not
      correct in all material respects at the time the same is made or as of the
      Closing Date and on or prior to the Closing Date Purchaser has actual knowledge
      of such inaccuracy, Purchaser as its sole and exclusive remedies may either
      (i) terminate this Agreement without liability on the part of Seller or
      Purchaser under this Agreement and the Downpayment with all interest, if any,
      will be returned to Purchaser, or (ii) waive such matter, including,
      without limitation, the right to make any claim against Seller post-Closing,
      and
      proceed to the Closing.

     

    (b)  Escrowee
      shall have received Seller's Closing Documents (as defined herein);

     

    (c)  Seller
      shall have obtained and delivered to Purchaser the Tenant Estoppel Certificates
      from the Required Tenants and, if obtained, the Skybridge Estoppel
      Certificate.

     

    (d)  The
      Title
      Company shall be irrevocably and unconditionally bound and committed to issue
      or
      shall issue to Purchaser an Owner's Policy of Title Insurance ("Purchaser's
      Title Policy") which:

     

    (i)  shall
      be
      written with liability in the amount of the Purchase Price; and

     

    (ii)  shall
      insure title to the Property to be vested in Purchaser, subject only to
      (A) the Permitted Exceptions; (B) general and special real property
      taxes and assessments for the current fiscal year, a lien not yet due and
      payable; (C) any exceptions directly or indirectly caused by Purchaser; and
      (D) any lien that is the obligation of any Tenant to discharge, cure or
      comply with;

     

    provided,
      however, that in the event the Title Company is unwilling or unable for
      whatever reason to commit to issue or issue Purchaser's Title Policy, Purchaser
      may not fail to close if another reputable title insurance company licensed
      to
      do business in Texas shall be prepared to commit to issue or issue a title
      policy in substantially the same form as Purchaser's Title Policy, in which
      case
      such policy shall constitute the Title Policy; and

     

    (e)  No
      order,
      writ, injunction or decree shall have been entered and be in effect by any
      court
      of competent jurisdiction, and no law shall have been promulgated or enacted
      and
      be in effect, that restrains, enjoins or invalidates the transactions
      contemplated hereby.

     

    SECTION
      7.03.  Seller's
      Closing Documents

     

    .  No
      later than one (1) Business Day prior to Closing, Seller shall deposit in Escrow
      (as hereinafter defined) the following documents (other than items (i) through
      (n), which Seller agrees to deliver outside of Escrow at Closing or as soon
      as
      reasonably practicable thereafter) duly executed and, where appropriate,
      acknowledged by Seller and the following other items (the documents and other
      items described in this Section 7.03 being collectively referred to
      herein as the "Seller's Closing Documents"):

     

    (a)  The
      Special Warranty Deeds made by Seller in favor of Purchaser, substantially
      in
      the form attached hereto as Exhibit K (the "Deeds");

     

    (b)  a
      Bill of
      Sale in the form annexed hereto as Exhibit L;

     

    (c)  an
      Assignment and Assumption of Leases in the form annexed hereto as
Exhibit M (the "Assignment");

     

    (d)  an
      Assignment and Assumption of Service Contracts in the form annexed hereto as
      Exhibit N with respect to the Restricted Service
      Contracts;

     

    (e)  an
      Assignment and Assumption of Licenses and Permits in the form annexed hereto
      as
Exhibit O with respect to all assignable Licenses and
      Permits;

     

    (f)  an
      Assignment of Guarantees and Warranties in the form annexed hereto as
Exhibit P with respect to all assignable guarantees and
      warranties;

     

    (g)  (i)  a
      check, payable to the order of Purchaser, in an amount equal to the total of
      all
      cash security deposits (and any interest thereon) held by Seller on the Closing
      Date, or instructions to the holder of such security deposits to transfer the
      same to Purchaser or its designee; provided, however, that
      Purchaser may elect by notice to Seller no later than five (5) days prior to
      the
      Closing Date to receive a credit against the Purchase Price in the amount of
      the
      total of all cash security deposits in lieu of receiving a check therefor;
      (ii) with respect to any security deposits held by Seller on the Closing
      Date in the form of letters of credit that are transferable by Seller, as
      landlord, documentation required by the terms of such letters of credit to
      effectuate transfer thereof to Purchaser, in each case, duly executed by Seller;
      and (iii) with respect to any security deposits held by Seller on the
      Closing Date in the form of letters of credit that are not transferable by
      Seller, as landlord, Seller's delivery requirements shall be governed by
Section 5.01(f);

     

    (h)  Copies
      of
      (i) a letter notice to each of the Tenants in the form annexed hereto as
Exhibit Q-1 and (ii) a letter notice to each of the contractors
      under the Restricted Service Contracts in the form annexed hereto as Exhibit
Q-2;

     

    (i)  to
      the
      extent the same are in Seller's possession or control, a complete set of keys
      for the Property;

     

    (j)  to
      the
      extent the same are in Seller's possession or control, "as-built" building
      plans, specifications and drawings for the Property;

     

    (k)  to
      the
      extent the same are in Seller's possession or control, the original Licenses
      and
      Permits to be transferred hereunder, except to the extent the same are required
      to be and are affixed at the Property;

     

    (l)  to
      the
      extent the same are in Seller's possession or control, copies of all guarantees
      or warranties then in effect in respect of the Property;

     

    (m)  original,
      executed counterparts of the Restricted Service Contracts or, if unavailable,
      photocopies thereof certified by Seller as true and complete photocopies
      thereof;

     

    (n)  original,
      executed counterparts of the Leases and Property Licenses or, if unavailable,
      a
      photocopy thereof certified by Seller as a true and complete photocopy
      thereof;

     

    (o)  a
      certificate of the General Partner of Seller with respect to (i) approval
      by the partners of Seller of the transactions contemplated hereby and
      (ii) the authority of the person(s) executing this Agreement and the other
      Closing Documents on behalf of Seller;

     

    (p)  an
      affidavit of Seller pursuant to Section 1445(b)(2) of the Code stating that
      Seller is not a foreign person within the meaning of such Section, substantially
      in the form annexed hereto as Exhibit R;

     

    (q)  a
      Tenant
      Estoppel Certificate from the Tenant under each Required Lease complying with
      Section 5.01(d), dated not more than thirty (30) days prior to the
      originally scheduled Closing Date or, if Seller has not obtained Tenant Estoppel
      Certificates for at least seventy-five percent (75%) of the rentable space
      at
      the Property, then, in addition, a Seller Estoppel Certificate substantially
      in
      the form of Exhibit J-2 dated the Closing Date for the applicable
      Required Leases from the Tenants under non-Material Leases; provided, however,
      that pursuant to Section 5.01(d) (iii) above, Seller may deliver a Seller
      Estoppel Certificate for no more than one Material Lease for a Tenant leasing
      less than seventy five thousand (75,000) square feet of space within the
      Property;

     

    (r)  a
      Certificate of Seller reaffirming its representations and warranties, subject
      to
Section 4.03 and 13.01(c) hereof ("Seller's Certificate"),
      substantially in the form annexed hereto as Exhibit S;

     

    (s)  an
      Owner's Title Affidavit by Seller in favor of Title Company, substantially
      in
      the form annexed hereto as Exhibit T;

     

    (t)  a
      closing
      statement (the "Closing Statement") listing the apportionments made at
      the Closing as provided herein;

     

    (u)  A
      Certificate of Existence of Seller from the Texas Secretary of State, a copy
      of
      the organizational documents of Seller certified to be true and complete by
      an
      authorized officer of Seller with respect to (i) approval by the partners of
      Seller of the transactions contemplated hereby and (ii) the authority of the
      person(s) executing this Agreement and the other Closing Documents on behalf
      of
      Seller, and any other documents of Seller regarding the authority of Seller
      to
      enter into the transactions contemplated hereby, as reasonably required by
      Escrowee and/or the Title Company; and

     

    (v)  all
      other
      documents as may reasonably be required by Escrowee to close the Escrow in
      accordance with this Agreement.

     

    SECTION
      7.04.  Purchaser's
      Closing Documents

     

    .   No
      later than one (1) Business Day prior to Closing, Purchaser shall deposit in
      Escrow the following documents duly executed and, where applicable, acknowledged
      by Purchaser (the documents described in this Section 7.04 being
      collectively referred to herein as the "Purchaser's Closing
      Documents"):

     

    (a)  counterparts
      of the documents described in Sections 7.03(c), (d),
(e) and (f);

     

    (b)  a
      receipt
      for the security deposits transferred to Purchaser, substantially in the form
      annexed hereto as Exhibit U;

     

    (c)  a
      copy of
      the organizational documents of Purchaser certified to be true and complete
      by
      an authorized officer of Purchaser;

     

    (d)  a
      certificate of the Secretary or an Assistant Secretary of Purchaser with respect
      to (i) the approval by the Board of Directors of Purchaser’s general
      partner approving the transactions contemplated hereby and (ii) the
      authority of the person(s) executing this Agreement and the other Closing
      Documents on behalf of Purchaser;

     

    (e)  a
      certificate in the form of Seller's Certificate but applicable to Purchaser,
      with the necessary changes;

     

    (f)  certified
      checks or wire transfers of immediately available funds, payable to the order
      of
      the appropriate Governmental Authorities, in payment of all amounts payable
      by
      Purchaser under Section 8.01;

     

    (g)  instructions
      to the Escrowee described in Section 1.02(a)(iii);

     

    (h)  the
      Closing Statement;

     

    (i)  all
      other
      funds Purchaser is obligated to provide pursuant to this Agreement and other
      documents as may reasonably be required by Escrowee to close the Escrow in
      accordance with this Agreement; and

     

    (j)  all
      other
      documents as may reasonably be required by Escrowee to close the Escrow in
      accordance with this Agreement

     

    SECTION
      7.05.  Conditions
      Generally

     

    .   The
      foregoing conditions are for the benefit only of the party for whom they are
      specified to be conditions precedent and such party may, in its sole discretion,
      waive any or all of such conditions and close title under this Agreement without
      any increase in, abatement of or credit against the Purchase Price.

     

    SECTION
      7.06.  Post-Closing
      Deliveries

     

    .  In
      lieu of delivering the items described in Section 7.03(i),
(j), (k), (l), (m) and (n) to Purchaser at
      Closing, Seller shall, to the extent the same are in Seller's possession,
      immediately after the Closing deliver said items to the offices of Purchaser's
      property manager at an address to be specified by Purchaser in writing at or
      prior to the Closing.

     

    ARTICLE
      8                                

     

    FEES
      AND CHARGES

     

    SECTION
      8.01.  Charges
      paid by Purchaser

     

    .  Purchaser
      shall pay the following: (i) one-half (1/2) of the fee of Escrowee, as escrow
      agent; (ii) the survey costs and survey coverage in connection with
      Purchaser's owner's policy of title insurance; (iii) the cost of any mortgagee
      policy of title insurance and related charges and survey costs in connection
      therewith; and (iv) all state, city, county and municipal recording charges.
      All
      such payments shall be made at the time of the Closing.

     

    SECTION
      8.02.  Charges
      paid by Seller

     

    .  Seller
      shall pay the following:  (i) one-half (1/2) of the fee of Escrowee,
      as escrow agent; and (ii) all premiums and fees for a basic TLTA owner's policy
      of title insurance, excluding  all additional coverages,
      and  endorsements.  All such payments shall be made at the
      time of the Closing.

     

    SECTION
      8.03.  Other
      charges

     

    .  Each
      party shall pay its own legal fees and investigative costs incurred in
      connection with the investigation and analysis of the Property and the
      negotiation of the purchase and sale thereof.  All other costs shall
      be allocated between Seller and Purchaser in accordance with the custom in
      the
      county in which the Property is located.

     

    SECTION
      8.04.  Survival

     

    .  The
      provisions of this Article 8 shall survive the Closing.

     

    ARTICLE
      9                                

     

    CLOSING
      APPORTIONMENTS

     

    SECTION
      9.01.  Apportionments
      and Payments

     

    .  (a)  The
      following shall be apportioned at the Closing as of the close of business on
      the
      day immediately preceding the Closing Date, and the net amount thereof shall
      be
      paid by Purchaser to Seller or credited to Purchaser, as the case may be, at
      Closing:

     

    (i)  real
      property taxes, for the calendar year in which the Closing occurs.  In
      the event the real estate tax rate and assessments have not been determined
      for
      the calendar year in which the Closing occurs, then such taxes shall be prorated
      at Closing based upon the rate and assessments for the preceding calendar year,
      and, when the tax rate and assessments are determined, the parties shall cause
      adjustments to be made with respect to such taxes paid by Seller or by Purchaser
      in accordance with Section 9.02 hereof (even if the tax rates and
      assessments are determined after the date the Final Report is delivered to
      Purchaser);

     

    (ii)  water
      rates and charges, unless the direct responsibility of any Tenant or subtenant
      at the Property;

     

    (iii)  sewer
      taxes and rents;

     

    (iv)  annual
      license, permit and inspection fees, if any;

     

    (v)  fuel
      and
      steam, gas, electricity charges and all other utilities which are supplied
      to
      the Property;

     

    (vi)  rents
      and
      all other charges (including without limitation, maintenance and other cost
      reimbursement payments and percentage rent payments) payable under the Leases
      or
      other agreements as and when collected; provided, however, that
      (A) certain amounts are subject to final computation as provided in
      Section 9.02 and (B) if any other rents or any other charges
      (including without limitation, maintenance and other cost reimbursement payments
      and percentage rent payments) under any of the Leases or other agreements shall
      be accrued and unpaid at the Closing Date, the rents and all other charges
      (including without limitation, maintenance and other cost reimbursement payments
      and percentage rent payments) collected by Purchaser on or after the Closing
      Date shall first be applied to all rents and all other charges (including
      without limitation,  maintenance and other cost reimbursement payments
      and percentage rent payments) due at the time of such collection with respect
      to
      the period after the Closing Date, then to Seller to the extent of delinquent
      rents and all other charges (including without limitation, maintenance and
      other
      cost reimbursement payments and percentage rent payments) apportioned to Seller
      as of the Closing Date, with the balance payable to Purchaser; and
providedfurther that Purchaser shall not be required to institute
      any proceeding to collect any rents or any other charges (including without
      limitation, maintenance and other cost reimbursement payments and percentage
      rent payments) accrued and unpaid on the Closing Date.  If Seller
      shall not have received all accrued and unpaid rents and all other charges
      (including without limitation, maintenance and other cost reimbursement payments
      and percentage rent payments) due it as of the Closing Date within
      ninety (90) days thereafter, Seller, at its sole cost and expense, shall be
      entitled to bring such actions or proceedings as Seller shall
      desire  to collect any such accrued and unpaid rents and all other
      charges (including without limitation, maintenance and other cost reimbursement
      payments and percentage rent payments), so long as such actions or proceedings
      seek money damages only and do not affect possession or enforce landlord's
      liens, and Purchaser shall cooperate with Seller in any such
      action;

     

    (vii)  all
      charges and payments under the Restricted Service Contracts and any other
      Service Contracts which has been canceled pursuant to Section 3.05 but
      the term of which does not expire until after the Closing Date;

     

    (viii)  subject
      to Sections 9.01(g) and (h) all brokerage and leasing commissions, tenant
      improvements and other costs incurred by Seller in connection with any Lease
      entered into after the date hereof or in connection with any renewal or
      extension of a Lease after the date hereof or any Lease as to which landlord
      or
      tenant does not exercise a termination right thereunder; and

     

    (ix)  all
      other
      income from and expense relating to the Property of every type and nature
      customarily apportioned in similar transactions.

     

    (b)  Seller
      shall furnish readings of the water, gas and electric meters located on the
      Property, if any, other than meters measuring the computation of utilities
      which
      are the direct responsibility of Tenants, as of the Closing Date or a date
      not
      more than thirty (30) days prior to the Closing Date and the unfixed water
      rates and charges, sewer taxes and rents and gas and electricity charges, if
      any, based thereon for the intervening time shall be apportioned on the basis
      of
      such last readings.  If such readings are not obtainable by the
      Closing Date, then, at the Closing, any water rates and charges, sewer taxes
      and
      rents and gas and electricity charges which are based on such readings shall
      be
      prorated based upon the per diem charges obtained by using the most recent
      period for which such readings shall then be available.  Upon the
      taking of subsequent actual readings, the apportionment of such charges shall
      be
      recalculated and Seller or Purchaser, as the case may be, promptly shall make
      a
      payment to the other based upon such recalculation or termination right
      thereunder.

     

    (c)  If
      any
      refund of real property taxes or assessments, water rates and charges or sewer
      taxes and rents shall be made after the Closing, the same shall be held in
      trust
      by Seller or Purchaser, as the case may be, and shall first be applied to the
      unreimbursed costs incurred in obtaining the same, then paid to any Tenant
      at
      the Property who is entitled to the same and the balance, if any, shall be
      paid
      to Seller (for the period prior to the Closing Date) and to Purchaser (for
      the
      period commencing with the Closing Date).

     

    (d)  If
      at the
      Closing Date the Property or any part thereof shall be or shall have been
      affected by any special or general assessment or assessments of real property
      taxes which are or may become payable in installments of which the first
      installment is then a charge or lien and has become payable, Seller shall pay
      or
      cause to be paid the unpaid installments of such assessments due prior to the
      Closing Date and Purchaser shall pay or cause to be paid all installments which
      are due on or after the Closing Date.  The current installments shall
      be apportioned at the Closing.

     

    (e)  In
      the
      event the apportionments hereinabove provided which are to be made at the
      Closing result in a credit balance (i) to Purchaser, such sum shall be paid
      at the Closing by giving Purchaser a credit against the balance of the
      Purchase Price in the amount of such credit balance or (ii) to Seller,
      Purchaser shall pay the amount thereof to Escrowee to be disbursed to Seller
      at
      the Closing by wire transfer of immediately available funds.

     

    (f)  If
      any
      proceeding for certiorari or other proceeding to determine the assessed value
      of
      the Property or the real property taxes payable with respect to the Property
      for
      2007 or any prior year shall have been commenced prior to the date hereof and
      be
      continuing as of the Closing Date, Seller shall be entitled to control the
      prosecution of such proceeding or proceedings to completion and to settle or
      compromise any claim therein.  Purchaser agrees to cooperate with
      Seller and to execute any and all documents reasonably requested by Seller
      in
      furtherance of the foregoing.  Purchaser shall have exclusive rights
      to control all matters related to tax contests or other proceedings that might
      impact taxes on the Property for 2008.

     

    (g)  The
      costs
      incurred in securing or extending the Leases after the date hereof, including,
      without being limited to, brokerage commissions, work letter or Tenant
      installation costs or allowances, reasonable attorneys' fees and disbursements,
      advertising expenses and any Tenant inducement costs, shall be pro-rated based
      upon the term (or extended term, as the case may be) of the Leases and the
      number of days thereof after rent commencement (of the initial term or extended
      term, as the case may be) under the Lease occurring prior to the Closing
      Date.

     

    (h)  All
      brokerage commissions for current terms of the Leases existing on the date
      hereof shall be paid by Seller and, after the date hereof, all brokerage
      commissions for any renewals or extensions of the terms of such Leases
      (including any brokerage commissions due in respect of a tenant waiving or
      failing to exercise a cancellation right) or any expansions of the premises
      covered thereby shall be paid by Purchaser.

     

    (i)  Any
      errors or omissions in computing apportionments at the Closing shall be
      corrected promptly after their discovery.

     

    SECTION
      9.02.  Apportionment
      of Rents and Other Charges

     

    .  (a)  If
      any rents or other charges (including without limitation, maintenance and other
      cost reimbursement payments and percentage rent payments) are payable or
      accruable under the Leases on the basis of estimates or formulae and/or are
      subject to adjustment or determination after the Closing Date, such rents or
      other charges shall be apportioned at the Closing to the extent collected on
      the
      basis of the then current charges or accruals, as applicable.  Seller
      shall provide to Purchaser within ninety (90) days after the Closing Date,
      a
      report reconciling the payments received from Tenants for recoverable operating
      expenses with recoverable operating expenses actually incurred by Seller as
      of
      the Closing Date (the "Final Report").  Purchaser shall raise
      any objections it has to the Final Report within thirty (30) days after the
      submission thereof by written notice to Seller given within said thirty (30)
      day
      period and stating in reasonable detail Purchaser's objections, and Seller
      shall
      allow Purchaser and its authorized representatives reasonable access during
      business hours to its books and records pertinent to the Property to permit
      Purchaser to review the Final Report and to ascertain its
      accuracy.  The failure by Purchaser to raise any objections to the
      Final Report within such thirty (30) day period shall constitute Purchaser's
      agreement to, and acceptance of, the Final Report.

     

    (b)  If
      Purchaser shall raise any objections to the Final Report as provided above,
      the
      parties shall meet by telephone within ten (10) days after submission of
      Purchaser's notice thereof and attempt to resolve such objections.  If
      any objections are not resolved within said ten (10) day period, such
      objections may thereafter be submitted for determination by either party to
      a
      nationally recognized certified public accounting firm selected by Purchaser
      and
      reasonably acceptable to Seller.  The determination of such firm shall
      be final and conclusive on the parties and judgment may be entered thereon
      in
      any court of competent jurisdiction.  The rules of the American
      Arbitration Association applicable to commercial arbitrations shall apply to
      any
      such arbitration.

     

    (c)  The
      Final
      Report shall be deemed amended by agreement of the parties or determination
      of
      such firm, and, within ten (10) days after such agreement or determination
      (or, if Purchaser raises no objections to the Final Report, the expiration
      of
      the thirty (30) day objection period), Seller shall pay to Purchaser, or
      Purchaser shall pay to Seller, as the case may be, the amount determined to
      be
      due from such party to the other in accordance with this Article 9
      based upon the Final Report, as the same may have been amended.

     

    (d)  If
      a
      determination is required, the parties shall bear the fees and expenses of
      the
      firm handling such determination equally.

     

    SECTION
      9.03.  Survival

     

    .  The
      obligations of the parties under this Article 9 shall survive the
      Closing.

     

    ARTICLE
      10                                

     

    CONDEMNATION
      AND DESTRUCTION; INSURANCE

     

    SECTION
      10.01.  Condemnation

     

    .  If,
      prior to the Closing Date, all or any significant portion (as defined in this
      Section 10.01) of the Property is taken by eminent domain (or is the
      subject of a pending taking which has not yet been consummated), Seller shall
      notify Purchaser of such fact promptly after obtaining knowledge thereof and
      Purchaser shall have the right to terminate this Agreement by giving notice
      to
      Seller not later than ten (10) days after the receipt of Seller's
      notice.  For the purposes hereof, a "significant portion" of
      the Property shall mean such a portion of the Property as shall have a value,
      as
      reasonably determined by a mutually-approved third-party engineer or appraiser
      selected by Seller and reasonably approved by Purchaser that is: (i) in excess
      of one percent (1%) of the Purchase Price; plus (ii) the value of the Threatened
      Partial Condemnation, regardless of the amount of the same.   If
      Purchaser elects to terminate this Agreement as aforesaid, the provisions of
      Section 13.01(a) shall apply.  If Purchaser does not elect
      to terminate this Agreement as aforesaid, or if an "insignificant
      portion" (i.e., anything other than a significant portion) of the Property
      is taken by eminent domain (or becomes the subject of a pending taking), there
      shall be no abatement of the Purchase Price and Seller shall assign to Purchaser
      (without recourse) at the Closing the rights of Seller to the awards, if any,
      for the taking, and Purchaser shall be entitled to receive and keep all awards
      for the taking of the Property or such portion thereof.   This
Section 10.01 shall apply to the Threatened Partial
      Condemnation.

     

    SECTION
      10.02.  Destruction

     

    .  If,
      prior to the Closing Date, a material part (as defined in this
Section 10.02) of the Property is destroyed or damaged by fire or
      other casualty, Seller shall promptly notify Purchaser of such fact and
      Purchaser shall have the right to terminate this Agreement by giving notice
      to
      Seller not later than ten (10) days after the receipt of Seller's
      notice.  For the purposes hereof, a "material part" of the
      Property shall mean a part of the Property as shall have a value, as reasonably
      determined by a mutually-approved third-party engineer or appraiser selected
      by
      Seller  and reasonably approved by Purchaser, in excess of five
      percent (5%) of the Purchase Price.  If Purchaser elects to terminate
      this Agreement as aforesaid, the provisions of Section 13.01(a)
      shall apply.  If Purchaser does not elect to terminate this Agreement
      as aforesaid, or if there is damage to or destruction of an "immaterial part"
      (i.e., anything other than a material part) of the Property by fire or other
      casualty, there shall be an abatement of the Purchase Price in an amount equal
      to the sum of (i) the deductible, if any, under Seller's insurance policies
      covering the Property with respect to such damage or destruction and (ii) 
the balance of the uninsured loss not covered by the policy referred to in
      Section 10.03, and Seller shall assign to Purchaser (without
      recourse) at the Closing the rights of Seller to the proceeds under such
      insurance policies, and Purchaser shall be entitled to receive and keep any
      monies received from such insurance policies.

     

    SECTION
      10.03.  Insurance

     

    .  Purchaser
      acknowledges that the policies of insurance currently maintained by Seller
      with
      respect to the Property will not be transferred hereunder at the
      Closing.  From the date hereof until the Closing Date, Seller shall
      continue to carry, and shall keep in full force and effect, casualty insurance
      in an amount not less than, with a deductible not greater than, and affording
      substantially the same coverage as, the casualty insurance policies covering
      the
      Property as of the date hereof.

     

    SECTION
      10.04.  Uniform
      Vendor and Purchaser Risk Act

     

    .  The
      provisions of this Article 10 shall be construed as express
      provisions in lieu of the provisions of the Uniform Vendor and Purchaser Risk
      Act, which the parties agree shall be inapplicable to the transactions
      contemplated hereby.

     

    ARTICLE
      11                                

     

    INDEMNITIES

     

    SECTION
      11.01.  Due
      Diligence Indemnity

     

    .  Purchaser
      agrees to indemnify Seller with respect to any damage, death or injury to any
      person or property which occurs as a result of the acts or omissions of
      Purchaser or any of its employees, agents or representatives during any entry
      onto and inspection of the Property by Purchaser or any of its agents, employees
      or representatives for the purposes of its due diligence review thereof as
      provided in the Site Access Agreement.  The provisions of this Section
      shall survive any termination of this Agreement.

     

    SECTION
      11.02.  Additional
      Indemnities

     

    .  (a)  Seller
      shall indemnify Purchaser with respect to any claim (other than environmental
      claims) by any third party for personal injury or property damage arising out
      of
      or resulting from any act or omission by Seller or its employees, agents or
      representatives in respect of the Property before the Closing Date, or any
      occurrence on or about the Property before the Closing Date for the period
      Seller has owned the Property, other than claims with respect to which Purchaser
      is required to indemnify Seller pursuant to
Section 11.01.

     

    (b)  Purchaser
      shall indemnify Seller with respect to any claim (other than environmental
      claims) by any third party for personal injury or property damage arising out
      of
      or resulting from any act or omission by Purchaser or its employees, agents
      or
      representatives in respect of the Property after the Closing Date or any
      occurrence on or about the Property after the Closing Date (other than those
      which result from any acts or omissions of Seller or its agents, employees,
      representatives or contractors).

     

    SECTION
      11.03.  Indemnification
      Generally

     

    .  (a)  Wherever
      it is provided in this Agreement or in any agreement or document delivered
      pursuant hereto that a party shall indemnify another party hereunder against
      liability or damages, such phrase and words of similar import shall mean that
      the indemnifying party hereby agrees to and does indemnify, defend and hold
      harmless the indemnified party and such party's direct and indirect shareholders
      or partners and their respective past, present and future officers, directors,
      employees and agents from and against any and all claims, damages, losses,
      liabilities and expenses (including, without being limited to, reasonable
      attorneys' fees and disbursements) to which they or any of them may become
      subject or which may be incurred by or asserted against any or all of them
      attributable to, arising out of or in connection with the matters provided
      for
      in such provision.

     

    (b)  If
      any
      action, suit or proceeding is commenced, or if any claim, demand or assessment
      is asserted in respect of which a party is indemnified hereunder or under any
      agreement or document delivered pursuant hereto, the indemnified party shall
      give notice thereof to the indemnifying party and the indemnifying party shall
      be entitled to control the defense, compromise or settlement thereof, at its
      own
      cost and expense, with counsel reasonably satisfactory to the indemnified party,
      and the indemnified party shall cooperate fully and make available to the
      indemnifying party such information under its control or in its possession
      relating thereto and may, at its own cost and expense, participate in such
      defense.

     

    SECTION
      11.04.  Survival

     

    .  The
      provisions of this Article 11 shall survive the Closing and any
      termination of this Agreement.

     

    ARTICLE
      12                                

     

    BROKER

     

    SECTION
      12.01.  Broker

     

    .  (a)  Seller
      represents and warrants to Purchaser that it has not hired, retained or dealt
      with any broker, finder, consultant or intermediary in connection with the
      negotiation, execution or delivery of this Agreement or the transaction
      contemplated hereby other than Cushman & Wakefield of Texas, Inc. (the
      "Broker").  Seller will indemnify Purchaser against liability
      arising out of any claim that the aforesaid representation and warranty is
      untrue.  Seller shall pay a commission to the Broker pursuant to a
      separate agreement between Seller and the Broker.

     

    (b)  Purchaser
      represents and warrants to Seller that it has not hired, retained or dealt
      with
      any broker, finder, consultant or intermediary in connection with the
      negotiation, execution or delivery of this Agreement or the transactions
      contemplated hereby other than the Broker.  Purchaser will indemnify
      Seller against liability arising out of any claim that the aforesaid
      representation and warranty is untrue.

     

    (c)  The
      provisions of this Article 12 shall survive the Closing and any
      termination of this Agreement.

     

    ARTICLE
      13                                

     

    REMEDIES

     

    SECTION
      13.01.  Default
      by Seller

     

    .  (a)  In
      the event that on the Closing Date Seller shall be unable, by reason of events
      beyond its reasonable control, to perform its obligations or to satisfy any
      condition applicable to Purchaser's obligation to consummate the purchase of
      the
      Property hereunder in accordance with the provisions of this Agreement or title
      to the Property shall not be in accordance with this Agreement and in any of
      such events this Agreement shall be terminated in accordance with its terms
      as a
      result thereof, Purchaser shall be entitled to retain the Downpayment and any
      interest accrued thereon and the parties shall jointly instruct Escrowee to
      promptly return the Downpayment, together with any interest accrued thereon,
      to
      Purchaser.  Upon payment of such amounts, this Agreement shall be
      deemed terminated and Seller shall not have any further liability or obligation
      to Purchaser hereunder nor shall Purchaser have any further liability or
      obligation to Seller hereunder, except for such liabilities or obligations
      as
      are specifically stated to survive the termination of this
      Agreement.

     

    (b)  In
      the
      event that Seller defaults in its obligation to transfer the Property hereunder,
      Purchaser shall be entitled to either (i) terminate this Agreement, receive
      an
      immediate return of the Downpayment and any interest accrued thereon and receive
      due diligence and other reasonable out-of-pocket transaction costs actually
      incurred by Purchaser in connection with the proposed purchase of the Property
      if such default is willful or (ii) to enforce specific performance.

     

    (c)  Notwithstanding
      any provision to the contrary contained in this Agreement or any other document
      executed by Seller pursuant hereto or in connection herewith, with respect
      to
      any surviving claim, if any, brought following the Closing, the liability of
      either party hereto (including, without limitation, with respect to any
      surviving representation, warranty or indemnity) shall be limited to the assets
      of such party and shall in no event exceed, in the aggregate, Two Million Five
      Hundred Thousand Dollars ($2,500,000) (the "Cap"); provided,
however, that notwithstanding the foregoing, the Cap shall
      not apply to
      (x) any indemnification pursuant to Section 12.01, (y) with respect to
      Seller, any liability Seller may have under a Seller Estoppel Certificate and
      (z) any liability with respect to apportionments provided for in Article 9
hereof.  In no event shall either party seek satisfaction for any
      such liability from any of the other party's parent company, members, partners,
      affiliates, subsidiaries and stockholders and each of their respective members,
      stockholders, directors, officers, participants, employees, consultants, brokers
      or agents.  The foregoing shall not apply to any surviving claim, if
      any, which either party may have against the other party arising pursuant to
      Article 9.

     

    (d)  In
      order
      to secure its obligations under any surviving representation or obligation
      under
      this Agreement, Seller agrees that on the Closing Date, Seller shall place
      in
      escrow with Shearman & Sterling, LLP, pursuant to an escrow agreement that
      is reasonably acceptable to Seller, Purchaser and Shearman & Sterling, LLP,
      an amount equal to the Cap for the period between Closing and the later to
      occur
      of (1) the date that is three (3) months after the Closing Date or (2) the
      final
      resolution of any claim asserted by Purchaser within such three (3) month
      period. The provisions of this Section 13.01(d) shall survive
      Closing.

     

    (e)  In
      no
      event shall any party hereto be liable to the other party hereto for
      consequential damages.

     

    SECTION
      13.02.  Liquidated
      Damages – Downpayment

     

    .  (a)  Purchaser
      acknowledges that (i) Seller has received various other offers from other
      parties to purchase the Property, (ii) Seller, by executing and delivering
      this Agreement, may be foregoing other opportunities to sell the Property and
      (iii) Seller, in so entering into this Agreement, will agree to do so only
      if the Downpayment and any interest accrued thereon is paid to Seller
      unconditionally and on a non-refundable basis, as liquidated damages in the
      event that all conditions to Purchaser's obligation to close, as set forth
      in
Section 7.02, have been (or would have been) fully satisfied, Seller is
      not in default of its obligation under this Agreement to convey the Property
      and
      the Closing does not occur due to the default of Purchaser under this
      Agreement.  Notwithstanding anything to the contrary contained in this
      Agreement, if all conditions to Purchaser's obligation to close, as set forth
      in
Section 7.02, have been fully satisfied, Seller is not in default of its
      obligations under this Agreement and the sale of the Property to Purchaser
      is
      not consummated because of a default by Purchaser under this Agreement and
      if
      Purchaser is not otherwise entitled to the return of the Downpayment pursuant
      to
Section 13.01(a) or as elsewhere expressly provided in this Agreement,
      Seller shall be entitled to retain the Downpayment and any interest accrued
      thereon as Seller's liquidated damages and as Seller's exclusive remedy for
      such
      default or failure and the parties shall jointly instruct Escrowee to pay the
      Downpayment, together with any interest accrued thereon, to
      Seller.  The parties agree that it would be impracticable and
      extremely difficult to ascertain the actual damages suffered by Seller as a
      result of Purchaser's failure to complete the purchase of the Property pursuant
      to this Agreement, and that under the circumstances existing as of the date
      hereof, the liquidated damages provided for in this Section 13.02
      represent a reasonable estimate of the damages which Seller will incur as a
      result of such failure.  The parties acknowledge that the payment of
      such liquidated damages is not intended as a forfeiture or penalty, but is
      intended to constitute liquidated damages to Seller.

     

    (b)  Notwithstanding
      the foregoing, if Purchaser (i) is in default under this Agreement and
      (ii) interferes with or makes any attempt to interfere with Seller selling
      the Property to another party, including, without limitation, the recording
      of a
      lis pendens or other lien against the Property, or the seeking of an injunction
      or similar relief, Seller shall have the right to recover its actual damages
      caused by such action of Purchaser in lieu of the liquidated damages referred
      to
      due to the default of Purchaser in purchasing the Property.

     

    (c)  Nothing
      contained in this Section 13.02 shall affect any indemnification
      obligation of Purchaser pursuant to this Agreement.

     

    ARTICLE
      14                                

     

    THIRD
      PARTY COMMUNICATIONS

     

    SECTION
      14.01.  Communication
      with Governmental Authorities

     

    .  Prior
      to Closing, Purchaser shall not, through its officers, employees, managers,
      contractors, consultants, agents, representatives or any other person
      (including, without limitation, any person that conducted inspections by or
      on
      behalf of Purchaser), directly or indirectly, communicate with any Governmental
      Authority or any official, employee or representative thereof, involving any
      matter with respect to the Property without Seller's prior written consent,
      which may not be unreasonably withheld, conditioned or delayed and shall be
      deemed given if Seller does not respond to a request therefor within at least
      two (2) Business Days, unless such communication is arranged by
      Seller.

     

    SECTION
      14.02.  Communication
      with Employees

     

    .  Prior
      to Closing Purchaser shall not, through its officers, employees, managers,
      contractors, consultants, agents, representatives or any other person
      (including, without limitation, any person that conducted inspections by or
      on
      behalf of Purchaser), directly or indirectly, communicate with any employee
      presently employed by Seller or Seller's property manager at the Property (the
      "Employees"), or any person representing any Employee involving any
      matter with respect to the Property, the Employees or this Agreement, without
      Seller's prior written consent, which may not be unreasonably withheld,
      conditioned or delayed and shall be deemed given if Seller does not respond
      to a
      request therefor within at least two (2) Business Days, unless such
      communication is arranged by Seller.  Seller shall reasonably
      cooperate with Purchaser in order to arrange communications, pursuant to a
      schedule to be reasonably agreed upon by the parties, between Purchaser and
      the
      Employees in order to allow Purchaser to interview the Employees for possible
      continued employment, and Purchaser shall apprise Seller from time to time
      as to
      its plans for communicating with such Employees, and to complete such
      communications in advance of the Closing.  

     

    ARTICLE
      15                                

     

    MISCELLANEOUS
      PROVISIONS

     

    SECTION
      15.01.  Notices

     

    .  All
      notices and other communications hereunder shall be in writing and shall be
      deemed to have been duly given if personally delivered with proof of delivery
      thereof (any notice or communications so delivered being deemed to have been
      received at the time delivered), or sent by Federal Express or other reputable
      express courier service (any notice or communication so delivered being deemed
      to have been received one (1) Business Day after delivery to Federal
      Express or such other express courier service), or sent by United States
      registered or certified mail, postage prepaid (any notice or communication
      so
      sent being deemed to have been received four (4) Business Days after
      mailing in the United States), or sent via facsimile (any notice or
      communication so sent being deemed to have been received on the date that such
      facsimile is sent) addressed to the respective parties as follows:

     

    if
      to
      Purchaser:

     

    Hines
      REIT Properties,
      L.P.

    c/o
      Hines
      Interests Limited Partnership

    2800
      Post
      Oak Boulevard, Suite 5000

    Houston,
      Texas  77056-6118

    Attention:  Charles
      N. Hazen

    Fax:  (713)
      966-7851

    

    with
      a
      copy to:

     

    Hines
      REIT Properties, L.P.

    c/o
      Hines
      Interests Limited Partnership

    2800
      Post
      Oak Boulevard, Suite 5000

    Houston,
      Texas  77056-6118

    Attention:  Jason
      P. Maxwell – Legal

    Fax:  (713)
      966-2705

    

    and
      to:

     

    Baker
      Botts L.L.P.

    One
      Shell Plaza

    910
      Louisiana Street

    Houston,
      Texas 77002-4995

    Attention:  Fred
      H.
      Dunlop

    Fax:  (713)
      229-2873

     

    if
      to
      Seller:

     

    TRANSCO
      TOWER LIMITED

    c/o
      Fosterlane Management Corporation

    400
      Northcreek, Suite 700

    3715
      Northside Parkway

    Atlanta,
      Georgia  30327

    Attention:  Vice
      President

    Fax:  (404)
      848-8039

     

    with
      a
      copy to:

     

    Shearman
      & Sterling LLP

    599
      Lexington Avenue

    New
      York,
      New York  10022

    Attention:  Chris
      M. Smith (3724/9)

    Fax:  (646)
      848-8238

     

    or
      to
      such other address or party as either party may have furnished to the other
      in
      writing in accordance herewith, except that notices of change of address or
      addresses shall only be effective upon receipt.

     

    SECTION
      15.02.  Acceptance
      of the Premises

     

    .  The
      acceptance of the deeds to the Property by Purchaser shall be deemed an
      acknowledgment by Purchaser that Seller has fully complied with all of its
      obligations hereunder and that Seller is discharged therefrom and that Seller
      shall have no further obligation or liability with respect to any of the
      agreements made by Seller in this Agreement, except for those provisions of
      this
      Agreement which expressly provide that any obligation of Seller shall survive
      the Closing as well as the representations and warranties set forth in
Section 4.01 hereof subject, however, to Section 4.04(a).

     

    SECTION
      15.03.  Press
      Releases; Confidentiality

     

    .  Each
      of Seller and Purchaser agrees that it will not issue any press release,
      advertisement or other public communication with respect to this Agreement
      or
      the transactions contemplated hereby without the prior written consent of the
      other party hereto, except to the extent required by law.  No such
      communication issued by Purchaser will identify Seller, Fosterlane Management
      Corporation or any affiliate thereof or the Purchase Price unless otherwise
      required by law.  If Seller or Purchaser is required by law to issue
      such a press release or other public communication, at least one (1)
      Business Day prior to the issuance of the same, such party shall deliver a
      copy
      of the proposed press release or other public communication to the other party
      hereto for its review.  Notwithstanding the foregoing, anything
      contained in Section 6.01 or Section 15.09 hereof or anything
      contained in the Confidentiality Agreement, Purchaser (its affiliates or any
      entity advised by Purchaser's affiliates) shall be permitted to disclose this
      transaction and/or the terms of this transaction and any such information
      relating to the Property in any document as may be necessary to comply with
      any
      applicable federal or state securities laws, rules, or regulations or to comply
      with the requirements of the Securities and Exchange Commission, the New York
      Stock Exchange or any similar agency or body.  The obligations under
      this Section 15.03 shall survive the Closing.

     

    SECTION
      15.04.  Records;
      Cooperation with Purchaser's Auditors and SEC Filing
      Requirements

     

    .

     

    (a)  Purchaser
      agrees to maintain the Real Estate Records for as long as shall be required
      by
      Seller to fulfill Seller's obligations at law and Seller shall have access
      thereto during reasonable hours after reasonable notice to
      Purchaser.

     

    (b)  For
      a
      period not to exceed three (3) months from the date of Closing, and to the
      extent not already in the possession of Purchaser or HILP, Seller shall provide
      to Purchaser (at Purchaser's sole expense) copies of, or shall provide Purchaser
      with reasonable access to, such factual information as may be reasonably
      requested by Purchaser, and in the possession or control of Seller, or its
      property manager or accountants, to enable Purchaser's auditor (Deloitte &
Touche LLP or any successor auditor selected by Purchaser)  (the
“Purchaser’s Auditor”) to conduct an audit of the income statements of
      the Property for the year to date of the year in which the Closing occurs plus
      up to three prior calendar years.  Purchaser shall be responsible for
      all out-of-pocket costs associated with this audit.  Seller shall
      reasonably cooperate (at no cost to Seller) with Purchaser's auditor in the
      conduct of such audit.  In addition, Seller agrees to provide to
      Purchaser's Auditor, if requested by such auditor, existing historical financial
      statements for the Property, including income and balance sheet data for the
      Property, whether required before or after Closing.  Without limiting
      the foregoing, (i) Purchaser or Purchaser’s Auditor may audit Seller's operating
      statements of the Property, at Purchaser's expense, and Seller shall provide
      such pre-existing documentation as Purchaser or Purchaser’s Auditor may
      reasonably request in order to complete such audit, and (ii) Seller shall
      furnish to Purchaser such other information with respect to the Property as
      may
      be reasonably required by Purchaser or any affiliate of Purchaser to make any
      required filings with the Securities and Exchange Commission or other
      governmental authority; provided, however, that the foregoing obligations of
      Seller set forth in this Section 15.04(b) shall exclude the Excluded Records
      and
      shall be limited to providing such information or documentation related to
      the
      Property as may be in the possession of, or reasonably obtainable by, Seller,
      its property manager or accountants, at no material cost to Seller, and in
      the
      format that Seller (or its property manager or accountants) have maintained
      such
      information.

     

    (c)  The
      obligation of Purchaser and Seller under this Section shall survive the
      Closing.

     

    SECTION
      15.05.  Assignment

     

    .  Except
      as set forth in this Section 15.05, neither party hereto may assign its
      respective rights and obligations hereunder, in whole or in part, without the
      prior written consent of the other party hereto.  Any assignment
      without such required prior written consent shall be deemed null and
      void.  Purchaser may, without Seller's consent, assign its rights and
      obligations under this Agreement (i) with respect to Tract I, to a subsidiary
      of
      Purchaser (the "Tract I Purchaser") to be designated by Purchaser; (ii)
      with respect to Tract II, to a subsidiary of Purchaser (the "Tract II
      Purchaser") to be designated by Purchaser and (iii) with respect to Tract
      III, to a separate subsidiary of Purchaser (the "Tract III Purchaser") to
      be designated by Purchaser.  Tract I Purchaser only shall be entitled
      to all rights and benefits under this Agreement (except that the Tract II
      Purchaser shall have the right to have Tract II conveyed to it, and the Tract
      III Purchaser shall have the right to have Tract III conveyed to it), and the
      Tract I Purchaser, the Tract II Purchaser and the Tract III Purchaser shall
      be
      jointly and severally liable hereunder.  Notwithstanding any
      assignment or assumption of all of Purchaser's obligations hereunder, Purchaser
      shall remain fully liable and responsible for the observance and performance
      of
      all of its obligations, covenants and indemnities hereunder.  Subject
      to and without limiting the provisions of this Section 15.05, this
      Agreement shall be binding upon and inure to the benefit of the parties hereto
      and their respective distributees, executors, administrators, heirs, legal
      representatives, successors and assigns.

     

    SECTION
      15.06.  Business
      Days

     

    .  If
      any date herein set forth for the performance of any obligations of Seller
      or
      Purchaser or for the delivery of any instrument or notice as herein provided
      should be on a Saturday, Sunday or legal holiday, the compliance with such
      obligations or delivery shall be deemed acceptable on the next Business Day
      following such Saturday, Sunday or legal holiday.  As used herein, the
      term (i) "legal holiday" means any State of Texas, New York State or
      Federal holiday for which financial institutions or post offices are generally
      closed in the State of New York or Texas and (ii) "Business Day"
      means any Monday through Friday which is not a legal holiday.

     

    SECTION
      15.07.  Binding
      Effect

     

    .  This
      Agreement does not constitute an offer to sell and shall not bind Seller unless
      and until Seller elects to be bound hereby by executing and delivering to
      Purchaser an executed original counterpart hereof.

     

    SECTION
      15.08.  Partial
      Invalidity

     

    .  If
      any term or provision of this Agreement or the application thereof to any
      persons or circumstances shall, to any extent, be invalid or unenforceable,
      the
      remainder of this Agreement or the application of such term or provision to
      persons or circumstances other than those as to which it is held invalid or
      unenforceable shall not be affected thereby, and each term and provision of
      this
      Agreement shall be valid and enforceable to the fullest extent permitted by
      law.

     

    SECTION
      15.09.  Recordation
      of Agreement

     

    .  Neither
      Seller nor Purchaser may record this Agreement or any memorandum or short form
      hereof, except as may be required pursuant to the penultimate sentence of
Section 15.03.  To the extent that any such filing is made
      in violation of this Agreement, Purchaser shall indemnify Seller against any
      damages incurred by Seller in connection therewith.  The provisions of
      this Section 15.09 shall survive the termination of this
      Agreement.

     

    SECTION
      15.10.  Entire
      Agreement

     

    .  This
      Agreement, together with the exhibits hereto, the Confidentiality Agreement,
      the
      Site Access Agreement and the Escrow Agreement constitute the entire agreement
      of the parties regarding the subject matter of this Agreement and all prior
      or
      contemporaneous agreements, understandings, representations and statements,
      oral
      or written, other than under the Confidentiality Agreement, the Site Access
      Agreement and the Escrow Agreement, are hereby merged herein.

     

    SECTION
      15.11.  Further
      Assurances

     

    .  The
      parties agree to mutually execute and deliver to each other, at the Closing,
      such other and further documents as may be reasonably required by counsel for
      the parties to carry into effect the purposes and intents of this Agreement,
      provided such documents are customarily delivered in real estate transactions
      in
      the State of Texas and do not impose any material obligations upon any party
      hereunder except as set forth in this Agreement.

     

    SECTION
      15.12.  Enforcement

     

    .  In
      the event either party hereto fails to perform any of its obligations under
      this
      Agreement or in the event a dispute arises concerning the meaning or
      interpretation of any provision of this Agreement, the defaulting party or
      the
      party not prevailing in such dispute, as the case may be, shall pay any and
      all
      costs and expenses reasonably incurred by the other party in enforcing or
      establishing its rights hereunder, including, without being limited to, court
      costs and reasonable attorneys' fees.

     

    SECTION
      15.13.  Amendment

     

    .  This
      Agreement may not be modified, amended, altered or supplemented except by
      written agreement executed and delivered by Purchaser and Seller.

     

    SECTION
      15.14.  Governing
      Law

     

    .  This
      Agreement shall be governed by and construed in accordance with the laws of
      the
      State of Texas applicable to agreements made and to be performed wholly within
      said State.

     

    SECTION
      15.15.  Exhibits

     

    .  All
      Exhibits referred to in this Agreement are incorporated herein and made a part
      hereof as fully as if set forth herein.

     

    SECTION
      15.16.  No
      Waiver

     

    .  The
      failure of any party hereto to enforce at any time any of the provisions of
      this
      Agreement shall in no way be construed as a waiver of any of such provisions,
      or
      the right of any party thereafter to enforce each and every such
      provision.  No waiver of any breach of this Agreement shall be held to
      be a waiver of any other or subsequent breach.

     

    SECTION
      15.17.  Headings;
      Article, Section and Exhibit References

     

    .  The
      Article and Section headings used herein are for reference purposes only and
      do
      not control or affect the meaning or interpretation of any term or provision
      hereof.  All references in this Agreement to Articles, Sections and
      Exhibits are to the Articles and Sections hereof and the Exhibits annexed
      hereto.

     

    SECTION
      15.18.  No
      Other Parties

     

    .  The
      representations, warranties and agreements of the parties contained herein
      are
      intended solely for the benefit of the parties to whom such representation,
      warranties or agreements are made, shall confer no rights hereunder, whether
      legal or equitable, in any other party, and no other party shall be entitled
      to
      rely thereon.

     

    SECTION
      15.19.  Counterparts

     

    .  This
      Agreement may be executed in any number of counterparts, each of which shall
      constitute an original, and all of which together shall constitute one and
      the
      same instrument. Delivery of an executed signature page of this Agreement by
      telecopy shall be as effective as delivery of such executed signature page
      by
      hand or overnight courier.

     

    SECTION
      15.20.  Waiver
      of Jury Trial

     

    .  SELLER
      AND PURCHASER HEREBY WAIVE TRIAL BY JURY IN ANY ACTION, PROCEEDING OR
      COUNTERCLAIM BROUGHT BY EITHER AGAINST THE OTHER OR ANY MATTER ARISING OUT
      OF OR
      IN ANY WAY CONNECTED WITH THIS AGREEMENT.  The provisions of this
Section 15.20 shall survive the Closing.

     

    SECTION
      15.21.  Time
      Is of the Essence

     

    .  Time
      is of the essence as to this Agreement.

     

    

     

    [Signature
      Page Follows]

     

    

     

    

    
      
        
                

              
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

    

    IN
      WITNESS WHEREOF, the parties hereto have executed this Agreement on the date
      first set forth above.

     

    SELLER:

     

    TRANSCO
      TOWER LIMITED,

    a
      Texas
      limited partnership

    

    
      	
               

            	
              By:

            	
              McCue
                Street Investors LLC,

            

    

    a
      Delaware limited liability
      company,

    its
      General Partner

    

    By:                                                      

    Name:

    Title:

    

    
      	
               

            	
              By:

            	 

    

    
      	
               

            	
              Name:

            

    

    
      	
               

            	
              Title:

            

    

    

     

    PURCHASER:

     

    HINES
      REIT PROPERTIES, L.P.,

    a
      Delaware limited partnership

     

    By:           Hines
      Real Estate Investment Trust, Inc.,

    a
      Maryland corporation, its general
      partner

     

    By:           

    Name:

    Title:

    

    
      
        
                

                                                                                                                                                       
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

    

    Joinder
      of HILP

     

    HILP,
      in
      its role as property manager of the Property, shall assist Seller in meeting
      Seller’s obligations contained in Sections 5.01(d) and 5.01(e) of this Agreement
      by delivering, collecting and monitoring the status of the Tenant Estoppel
      Certificates.

     

    HILP
      shall reasonably cooperate with Seller and Seller’s agents, representatives and
      counsel with respect to meeting Seller’s obligations contained in Sections
      5.01(d) and 5.01(e).

     

    HILP
      shall notify Seller and Purchaser on a weekly basis between the date hereof
      and
      Closing about the status and percentage of Tenant Estoppel Certificates that
      have been delivered to, and collected from, the Tenants as well as the status
      of
      the Skybridge Estoppel Certificate.

     

    HINES
      INTERESTS LIMITED PARTNERSHIP,

    a
      Delaware limited partnership

    

    
      	
               

            	
              By:

            	
              Hines
                Holdings, Inc.,

            

    

    a
      Texas corporation,

    its
      General Partner

    

    By:                                                      

    Name:                      Charles
      Elder

    Title:                      Senior
      Vice President

    

    
      
        
                

                       

          

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

    

    Acceptance
      by Escrowee

     

    Escrowee
      acknowledges receipt of the foregoing Agreement and accepts the instructions
      contained therein.

     

    Dated:   _______________
      __, 2008

     

    

    

    ESCROWEE:

    

    CHARTER
      TITLE COMPANY

    

    

    By:                                                                

      Name:                      ________________________

      Title:                                 ________________________

    

    

    
      
        
                

                      

          

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

    

    
      
        
                

                          
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

    Exhibit
      A

     

    DESCRIPTION
      OF LAND

     

    LEGAL
      DESCRIPTION

     

    
      	
               

            	
              Commonly
                referred to as: 2800 Post Oak Boulevard, Houston, Texas (as to Tracts
                I
                and II)

            

    

     

    
      	
               

            	
                    3009
                South Post Oak Boulevard, Houston, Texas (as to Tract
                III)

            

    

     

    

     

    
      	
               

            	 

    

     

    Cont'd
      on following page

    
      
        
                

                        

          

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

     

     

    

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    

    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    

    
      Exhibit
        B

       

      ESCROW
        AGREEMENT

       

      AGREEMENT
        made as of the _____ day of ___________, 2008, by and between CHARTER TITLE
        COMPANY ("Escrowee"), TRANSCO TOWER LIMITED, a Texas limited partnership
        ("Seller"), and HINES REIT PROPERTIES, L.P., a Delaware limited
        partnership ("Purchaser").

       

      WITNESSETH
        :

       

      WHEREAS,
        Seller and Purchaser will simultaneously with the execution and delivery
        of this
        Agreement enter into a contract of sale dated of even date herewith (the
        "Contract") for the sale by Seller to Purchaser of the premises, located
        at 2800 Post Oak Boulevard, Houston, Texas and 3009 South Post Oak Boulevard,
        Houston, Texas, all as more particularly described in the Contract (the
        "Property");

       

      WHEREAS,
        Seller and Purchaser have agreed with each other to place the Thirty Million
        Dollar ($30,000,000) downpayment (the "Downpayment") toward the purchase
        price of the Property, required pursuant to Section 1.02 of the
        Contract, in escrow with Escrowee pending the closing of the sale of the
        Property to Purchaser or termination of the Contract, all in accordance with
        the
        terms and provisions of the Contract; and

       

      WHEREAS,
        Escrowee is willing to hold the Downpayment in escrow on the terms and
        conditions hereinafter set forth;

       

      NOW,
        THEREFORE, the parties hereto agree as follows:

       

      1.  (a)  Purchaser
        hereby delivers to Escrowee Twenty Five Million Dollars ($25,000,000) of
        the
        Downpayment either by good unendorsed broker-certified check, subject to
        collection, made payable to the order of "Charter Title Company, as escrow
        agent" or  by immediately available funds to be wired to the
        account and pursuant to the wiring instructions of Escrowee provided in the
        Contract.  Receipt of such check by Escrowee or of such funds by
        Escrowee, subject to collection, is hereby acknowledged.  In addition,
        Purchaser and Seller have instructed Shearman & Sterling LLP, as initial
        escrowee under the Contract, to transfer to Escrowee Five Million Dollars
        ($5,000,000) of the Downpayment, plus any interest earned thereon from the
        date
        Purchaser delivered such amount to Shearman & Sterling LLP, as provided in
        the Contract.  Following collection, Escrowee shall invest the
        Downpayment in a cash reserve account with [Citibank, N.A.], at such a yield
        as
        shall be available.  Escrowee shall use reasonable efforts to keep the
        Downpayment invested for a period to end prior to, but as nearly contemporaneous
        as is reasonable with, the date of the actual closing under the Contract
        (the
        "Closing Date"), having due regard to the fact that the Downpayment must
        be available on or before the Closing Date.  Escrowee shall bear no
        liability for any loss occasioned by investment of the Downpayment as herein
        provided, by any delays in investing or reinvesting the Downpayment or by
        any
        failure to achieve the maximum possible yield from
        the  Downpayment.

       

      (b)           The
        Downpayment, plus any interest earned from the investment thereof in accordance
        with the terms of this Agreement, less any and all transaction or account
        fees,
        costs, expenses or charges, including, without limitation, brokerage and
        custodial fees, attributable to such investment (such sum hereinafter called
        the
        "Invested Downpayment"), shall be delivered by Escrowee to Seller, to
        Purchaser or, if pursuant to paragraph 4 hereof, to a substitute impartial
        party or a court having appropriate jurisdiction, in accordance with the
        terms
        of this Agreement.  Delivery of the Invested Downpayment in accordance
        with the terms of this Agreement shall be made by uncertified, unendorsed
        check
        of Escrowee or by cashier's check, at Escrowee's option.  Escrowee
        agrees, upon request, to provide the parties with its computation of the
        Invested Downpayment.  Without limiting paragraphs 6 and 7 hereof, it
        shall be conclusively presumed that:  (i) any and all investments
        made by Escrowee in [Citibank, N.A.], are authorized and permitted under
        the
        terms of this Agreement; (ii) the parties hereto have agreed to and
        concurred in all such investments; (iii) by so investing the Downpayment,
        Escrowee has complied with its investment obligations pursuant to this
        Agreement; and (iv) Escrowee's computation of the Invested Downpayment is
        correct in the absence of manifest error.

       

      2.  (a)  If
        the sale of the Property contemplated in the Contract shall be consummated,
        then
        at the time of the consummation of such transaction, Escrowee shall deliver
        to
        Seller the Invested Downpayment against a signed receipt therefor.

       

      (b)  Notwithstanding
        the provisions of
        paragraph 2(a) above, if Escrowee shall receive written instructions signed
        by both Purchaser and Seller, specifying the party to whom the Invested
        Downpayment is to be delivered (the "Designated Party") and the time and
        place where the same is to be delivered, Escrowee shall deliver the same
        in
        accordance with such written instructions, such delivery to be made against
        a
        signed receipt therefor from the Designated Party.

       

      (c)  Upon
        the
        delivery of the Invested Downpayment in accordance with this paragraph 2,
        Escrowee shall thereupon be relieved of and discharged and released from
        any and
        all liability hereunder and with respect to the Invested
        Downpayment.

       

      3.  If,
        at
        any time Escrowee shall receive a certificate of either Seller or Purchaser
        (the
        "Certifying Party") to the effect that:  (i) the other
        party (the "Other Party") has defaulted under the Contract or that the
        Contract has otherwise been terminated or cancelled; (ii) a copy of the
        certificate and a statement in reasonable detail of the basis for the claimed
        default, termination or cancellation was mailed as provided herein to the
        Other
        Party prior to or contemporaneous with the giving of such certificate to
        Escrowee; and (iii) in the case of a claimed default, to the knowledge of
        the Certifying Party, the claimed default has not been cured, then, Escrowee
        shall promptly send a copy of such certificate to the Other Party and unless
        Escrowee shall have received contrary instructions from the Other Party within
        ten (10) days of Escrowee's mailing of said certificate (time being of the
        essence with respect to this ten (10) day period), Escrowee shall, within
        ten (10) days of the expiration of such ten (10) day period, deliver
        the Invested Downpayment to the Certifying Party and thereupon be relieved
        of
        and discharged and released from any and all liability hereunder and with
        respect to the Invested Downpayment.  If Escrowee shall receive
        contrary instructions from the Other Party within ten (10) days of
        Escrowee's sending of said certificate (TIME BEING OF THE ESSENCE with respect
        to this ten (10) day period), Escrowee shall not so deliver the Invested
        Downpayment but shall hold or deposit the same in accordance with the terms
        of
        paragraph 4 hereof.

       

      4.  In
        the
        event that:  (i) Escrowee shall not have received instructions
        pursuant to this Agreement on or prior to the latest of the originally scheduled
        Closing Date and all new Closing Dates, if any (the "Latest Closing
        Date"); (ii) the closing under the Contract shall not have occurred on
        or prior to the Latest Closing Date; (iii) Escrowee shall receive contrary
        instructions from the parties hereto; (iv) any dispute shall arise as to
        any matter arising under this Agreement; (v) any alleged default by Seller
        or Purchaser under the Contract shall occur; or (vi) there shall be any
        uncertainty as to the meaning or applicability of any of the provisions hereof,
        Escrowee's duties, rights or responsibilities hereunder or any written
        instructions received by Escrowee pursuant hereto, Escrowee may, at its option
        at any time thereafter, deposit the funds and/or instruments then being held
        by
        it in escrow into any court having appropriate jurisdiction, or take such
        affirmative steps as it may elect in order to substitute an impartial party
        to
        hold any and all escrowed funds and/or instruments, and upon making such
        deposit, shall thereupon be relieved of and discharged and released from
        any and
        all liability hereunder and with respect to the Invested Downpayment or any
        portion thereof so deposited.

       

      5.  Escrowee
        shall be entitled to rely upon the authenticity of any signature and the
        genuineness and/or validity of any writing received by Escrowee pursuant
        to or
        otherwise relating to this Agreement.

       

      6.  Seller
        and Purchaser recognize and acknowledge that Escrowee is serving without
        compensation and solely as an accommodation to the parties hereto and they
        each
        agree that Escrowee shall not be liable to either of the parties for any
        error
        of judgment, mistake or act or omission hereunder or any matter or thing
        arising
        out of its conduct hereunder, except for Escrowee's willful misfeasance or
        gross
        negligence.

       

      7.  Seller
        and Purchaser jointly and severally agree to indemnify and hold harmless
        Escrowee from and against any and all costs, claims, damages or expenses
        (including, without limitation,  reasonable attorneys' fees and
        disbursements) howsoever occasioned that may be incurred by Escrowee acting
        under this Agreement (including, without limitation,  any costs
        incurred by Escrowee pursuant to paragraph 4 hereof) or to which Escrowee
        may be put in connection with Escrowee acting under this Agreement, except
        for
        costs, claims or damages arising out of Escrowee's willful misfeasance or
        gross
        negligence.

       

      8.  If
        Seller
        and/or Purchaser (each separately being the "Entity") is comprised of
        more than one party, each such party comprising the Entity shall be jointly
        and
        severally liable for the obligations of the Entity hereunder.

       

      9.  All
        notices, certificates and other communications permitted hereunder shall
        be in
        writing and shall be deemed duly served and given two (2) Business Days
        after mailed by registered or certified mail, return receipt requested, postage
        prepaid, at a regularly maintained branch of the United States Postal Service
        or
        one (1) Business Day after mailed by nationally recognized overnight delivery
        service (such as Federal Express) and addressed as follows:

       

      If
        to
        Purchaser:

      

      Hines
        REIT Properties,
        L.P.

      c/o
        Hines Interests Limited
        Partnership

      2800
        Post Oak Boulevard, Suite
        5000

      Houston,
        Texas  77056-6118

      Attention:  Charles
        N.
        Hazen

      Fax:  (713)
        966-7851

      

      with
        a
        copy to:

       

      Hines
        REIT Properties,
        L.P.

      c/o
        Hines Interests Limited
        Partnership

      2800
        Post Oak Boulevard, Suite
        5000

      Houston,
        Texas  77056-6118

      Attention:  Jason
        P. Maxwell
– Legal

      Fax:  (713)
        966-2705

      

      If
        to
        Seller:                                           Transco
        Tower Limited

      c/o
        Fosterlane Management Corporation

      400
        Northcreek, Suite 700

      3715
        Northside Parkway

      Atlanta,
        Georgia  30327

      Attention:  Vice
        President

      Fax:
        (404) 848-8039

       

      
        	
                 

              	
                With
                  a copy to:

              	
                Shearman
                  & Sterling LLP

              

      

       

      
        	
                 

              	
                599
                  Lexington Avenue

              

      

       

      
        	
                 

              	
                New
                  York, New York 10022

              

      

       

      
        	
                 

              	
                Attention:  Chris
                  M. Smith (3724/9)

              

      

       

      
        	
                 

              	
                Fax:  (646)
                  848-8238

              

      

       

      If
        to
        Escrowee:                                Charter
        Title Company

      717
        Texas
        Avenue, Suite 1700

      Houston,
        Texas 77002

      Attention:  Garry
        Carr

      Fax:  (713)
        222-7213

       

      Each
        party may, by notice as aforesaid, designate such other person or persons
        and/or
        such other address or addresses for the receipt of notices.  Copies of
        all notices, certificates or other communications relating to this Agreement
        in
        respect to which Escrowee is not the addressee or sender shall be sent to
        Escrowee in the manner hereinabove set forth.

       

      10.  (a)  Seller
        and Purchaser agree that Escrowee is to act as the parties' nominee in investing
        the Downpayment pursuant to this Agreement and in collecting the interest
        earned
        on the Invested Downpayment on behalf of the parties.  Seller and
        Purchaser each agree to complete the forms necessary to comply with the backup
        withholding and interest reporting regulations under the Internal Revenue
        Code
        of 1986, as amended, or any successor thereto, including, without limitation,
        Form W-9, a separate copy of which is to be completed by Seller and
        Purchaser and delivered to Escrowee contemporaneously with the execution
and
        delivery of this Agreement.

       

      (b)  Unless
        Seller shall have delivered to Escrowee a Form W-8 (Nonresident Alien
        Certification), Seller certifies under penalties of perjury that (1) the
        number shown under Seller's signature is the correct tax identification number
        of Seller and (2) the account to be established by Escrowee, insofar as
        applicable to Seller, is not subject to back-up withholding either because
        Seller has not been notified by the Internal Revenue Service that Seller
        is
        subject to back-up withholding due to underreporting of interest or dividends
        or
        the IRS has notified Seller that Seller is no longer subject to such back-up
        withholdings.

       

      (c)  Unless
        Purchaser shall have delivered to Escrowee a Form W-8 (Nonresident Alien
        Certification), Purchaser certifies under penalties of perjury that (1) the
        number shown under Purchaser's signature is the correct tax identification
        number of Purchaser and (2) the account to be established by Escrowee,
        insofar as applicable to Purchaser, is not subject to back-up withholding
        either
        because Purchaser has not been notified by the Internal Revenue Service that
        Purchaser is subject to back-up withholding due to underreporting of interest
        or
        dividends or the IRS has notified Purchaser that Purchaser is no longer subject
        to such back-up withholdings.

       

      11.  This
        Agreement shall be binding on and inure to the benefit of all parties hereto
        and
        their respective successors and permitted assigns and may not be modified
        or
        amended orally, but only in writing signed by all parties
        hereto.  Neither Seller nor Purchaser may assign its rights or
        obligations under this Agreement to any party other than a party to whom
        Seller
        or Purchaser, as applicable, assigns its right, title and interest in, to
        and
        under the Contract and no permitted assignment by Purchaser or Seller should
        be
        effective unless and until such party shall have delivered to Escrowee
        (i) written notice of such assignment and (ii) an assumption agreement
        with respect to all of the obligations of the assigning party
        hereunder.

       

      12.  The
        undersigned hereby submit to personal jurisdiction in the State of Texas
        for all
        matters, if any, which shall arise with respect to this Agreement, and waive
        any
        and all rights under the law of any other state or country to object to
        jurisdiction within the State of Texas or to institute a claim of
forumnonconveniens with respect to any court in the State
        of Texas for the purposes of litigation with respect to this
        Agreement.

       

      13.  If
        any
        term, condition or provision of this Agreement, or the application thereof
        to
        any circumstance or party hereto, shall ever be held to be invalid or
        unenforceable, then in each such event the remainder of this Agreement or
        the
        application of such term, condition or provision to any other circumstance
        or
        party hereto (other than those as to which it shall be invalid or unenforceable)
        shall not be thereby affected, and each term, condition and provision hereof
        shall remain valid and enforceable to the fullest extent permitted by
        law.

       

      14.  This
        Agreement may be executed in any number of counterparts, each counterpart
        for
        all purposes being deemed an original, and all such counterparts shall together
        constitute only one and the same agreement.

       

      [Signature
        Page Follows]

       

      
        
                

                    Exh.
              B -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

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

       

      

       

      SELLER:

      

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

      

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      
        	
                 

              	
                By:

              	 

      

      
        	
                 

              	
                Name:

              

      

      
        	
                 

              	
                Title:

              

      

      

      
        	
                 

              	
                By:

              	 

      

      
        	
                 

              	
                Name:

              

      

      
        	
                 

              	
                Title:

              

      

      

      

      20-0200127

      Federal
        Taxpayer Identification Number

      

      

      PURCHASER:

      

      ______________________

      HINES
        REIT PROPERTIES, L.P.,

      a
        Delaware limited partnership

       

      By:           Hines
        Real Estate Investment Trust, Inc.,

      a
        Maryland corporation, its general
        partner

       

      By:           

      Name:

      Title:

      

      

      Federal
        Taxpayer Identification Number

      

      

      [Signatures
        Continue on Next
        Page]                                                                                     ESCROWEE:

      

      CHARTER
        TITLE COMPANY

      

      

      By:           

      Name:

      Title:

      
        
                

                    Exh.
              B -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        C

       

      PERMITTED
        EXCEPTIONS

       

      The
        matters set forth below as listed on Schedule B to the Pro Forma of Title
        Insurance as approved by Purchaser:

       

      
        	
                1.  

              	
                Those
                  recorded in Film Code No. 563167 of the Map Records of Harris County,
                  Texas (as to Tract III), but omitting any covenant or restriction
                  based on
                  race, color, religion, sex, handicap, familial status or national
                  origin
                  unless and only to the extent that said covenant (a) is exempt
                  under
                  Chapter 42, Section 3607 of the United States Code or (b) relates
                  to
                  handicap but does not discriminate against handicapped
                  persons.

              

      

      

      
        	
                2.  

              	
                Driveway
                  easement agreement dated September 22, 1981, between Post Oak Associates
                  III, Limited and Post Oak/Alabama Partnership, filed for record
                  in the
                  office of the County Clerk of Harris County, Texas, under County
                  Clerk's
                  File No. H211092, as modified by Acknowledgement and Agreement
                  Regarding
                  Driveway Costs, dated December 28, 2000, filed under Harris County
                  Clerk's
                  File Number(s) U814833, as shown on foot notes of survey prepared
                  by
                  Southwest Land Surveying Co., under the supervision of Fred F.
                  Lawton
                  R.P.L.S. No. 5530 dated October 19, 2007, last revised November
                  9, 2007.
                  (as to Tracts I and I) (B))

              

      

      

      
        	
                3.  

              	
                Water
                  meter easements granted to the City of Houston by Instrument dated
                  July 7,
                  1981, filed for record in the office of the County Clerk of Harris
                  County,
                  Texas, under County Clerk's File No. H631004, as shown on survey
                  prepared
                  by Southwest Land Surveying Co., under the supervision of Fred
                  F. Lawton
                  R.P.L.S. No. 5530 dated October 19, 2007, last revised November
                  9, 2007.
                  (as to Tract I)

              

      

      

      
        	
                4.  

              	
                Easements
                  granted to the Houston Lighting & Power Company by instrument dated
                  April 11, 1984, filed for record in the office of the County Clerk
                  of
                  Harris County, Texas, under County Clerk's File No. J534939, as
                  shown on
                  survey prepared by Southwest Land Surveying Co., under the supervision
                  of
                  Fred F. Lawton R.P.L.S. No. 5530 dated October 19, 2007, last revised
                  November 9, 2007, same being more particularly described as
                  follows:

              

      

      

      (a)   Five
        (5) feet in width and 34.52 feet in length easement, the location of which
        is
        shown by a crosshatched area on Sketch No. W-84-061, attached thereto and
        made a
        part thereof. (as to Tract I)

      

      (b)   Fourteen
        (14) feet in width and seventeen (17) feet in length easement for manhole
        purposes, the location of which is shown by a shaded area on said attached
        sketch. (as to Tract I)

      

      
        	
                5.  

              	
                Permission
                  to build over City easement granted by instrument dated February
                  3, 1982,
                  filed for record in the office of the County Clerk of Harris County,
                  Texas, under County Clerk's File No. H465011 for permission to
                  encroach
                  into a waterline easement with concrete paving for driveway purposes
                  only,
                  as shown on foot notes of survey prepared by Southwest Land Surveying
                  Co.,
                  under the supervision of Fred F. Lawton R.P.L.S. No. 5530 dated
                  October
                  19, 2007, last revised November 9, 2007. (as to Tract
                  I)

              

      

      

      
        	
                6.  

              	
                Skybridge
                  agreement dated September 22, 1981, between Tower Limited, Galleria
                  Limited and Post/Alabama Partnership, filed for record in the office
                  of
                  the County Clerk of Harris County, Texas, under County Clerk's
                  File No.
                  H211093, as shown on survey prepared by Southwest Land Surveying
                  Co.,
                  under the supervision of Fred F. Lawton R.P.L.S. No. 5530 dated
                  October
                  19, 2007, last revised November 9, 2007. (as to Tract
                  I)

              

      

      

      
        	
                7.  

              	
                An
                  easement granted to Southwestern Bell Telephone Co. as set out
                  in
                  instrument filed under Harris County Clerk's File Number(s) P743516,
                  as
                  shown on survey prepared by Southwest Land Surveying Co., under
                  the
                  supervision of Fred F. Lawton R.P.L.S. No. 5530 dated October 19,
                  2007, as
                  shown on survey prepared by Southwest Land Surveying Co., under
                  the
                  supervision of Fred F. Lawton R.P.L.S. No. 5530 dated October 19,
                  2007,
                  last revised November 9, 2007. (as to Tract
                  I)

              

      

      

      
        	
                8.  

              	
                Easements
                  granted to the Houston Lighting & Power Company by instrument dated
                  April 11, 1981, filed for record in the office of the County Clerk
                  of
                  Harris County, Texas, under County Clerk's File No. J534938, as
                  shown on
                  survey prepared by Southwest Land Surveying Co., under the supervision
                  of
                  Fred F. Lawton R.P.L.S. No. 5530 dated October 19, 2007, last revised
                  November 9, 2007, being more particularly described as
                  follows:

              

      

      

      (a)   Easement
        for manhole purposes, at two (2) separate locations (10 feet by 14 feet,
        and 14
        feet by 14 feet easements) each of which is shown by a shaded area on Sketch
        No.
        W-84-061, attached thereto and made a part thereof. (as to Tract
        II)

      

      (b)   Ten
        (10) feet wide easement, the location of which is shown by a crosshatched
        area
        on said attached sketch. (as to Tract II)

      

      (c)   Five
        (5) feet wide easement, the location of which is shown by a crosshatched
        area on
        said attached sketch. (as to Tract II)

      

      
        	
                9.  

              	
                Park
                  agreement dated September 22, 1981, between Post Oak Associates
                  III,
                  Limited and Post Oak/Alabama partnership, filed for record in the
                  office
                  of the County Clerk of Harris County, Texas, under County Clerk's
                  File No.
                  H211091, as modified by Acknowledgement and Agreement Regarding
                  Construction Costs of Park Site, dated December 28, 2000, filed
                  under
                  Harris County Clerk's File Number(s) U814834, as shown on foot
                  notes of
                  survey prepared by Southwest Land Surveying Co., under the supervision
                  of
                  Fred F. Lawton R.P.L.S. No. 5530 dated October 19, 2007, last revised
                  November 9, 2007. (as to Tracts I and
                  II)

              

      

      

      
        	
                10.  

              	
                Water
                  meter easement containing 0.0046 acres (200.00 square feet), more
                  or less,
                  granted to the City of Houston by instrument dated October 18,
                  1984, filed
                  for record in the office of the County Clerk of Harris County,
                  Texas,
                  under County Clerk's File No. J836555, as shown on survey prepared
                  by
                  Southwest Land Surveying Co., under the supervision of Fred F.
                  Lawton
                  R.P.L.S. NO. 5530 dated October 19, 2007, last revised November
                  9, 2007.
                  (as to Tract II)

              

      

      

      
        	
                11.  

              	
                Street
                  right-of-way dedication to the City of Houston as set out in instrument
                  filed under Harris County Clerk's File Number(s) P916321, as shown
                  on
                  survey prepared by Southwest Land Surveying Co., under the supervision
                  of
                  Fred F. Lawton R.P.L.S. No. 5530 dated October 19, 2007, last revised
                  November 9, 2007. (as to Tract II)

              

      

      

      
        	
                12.  

              	
                Twenty
                  five (25) foot building setback line over the Easterly line of
                  subject
                  property, as shown on the plat recorded in Film Code No. 563167,
                  of the
                  Map Records of Harris County, Texas, as shown on survey prepared
                  by
                  Southwest Land Surveying Co., under the supervision of Fred F.
                  Lawton
                  R.P.L.S. No. 5530 dated October 19, 2007, last revised November
                  9, 2007.
                  (as to Tract III)

              

      

      

      
        	
                13.  

              	
                Ten
                  (10) foot building setback line over the South line of subject
                  property,
                  as shown on the plat recorded in Film Code No. 563167, of the Map
                  of
                  Harris County, Texas, as shown on survey prepared by Southwest
                  Land
                  Surveying Co., under the supervision of Fred F. Lawton R.P.L.S.
                  NO. 5530
                  dated October 19, 2007, last revised November 9, 2007. (as to Tract
                  III)

              

      

      

      
        	
                14.  

              	
                Twenty
                  five (25) foot building setback line over the West line of subject
                  property, as shown on the plat recorded in Film Code No. 563167,
                  of the
                  Map Records of Harris County, Texas, as shown on survey prepared
                  by
                  Southwest Land Surveying Co., under the supervision of Fred F.
                  Lawton
                  R.P.L.S. No. 5530 dated October 19, 2007, last revised November
                  9, 2007.
                  (as to Tract III)

              

      

      

      
        	
                15.  

              	
                Easement
                  for electric distribution facilities over the Southwest corner
                  of this
                  property, granted to Houston Lighting and Power Company by instrument
                  recorded under Harris County Clerk's File Number(s) H900079, as
                  shown on
                  survey prepared by Southwest Land Surveying Co., under the supervision
                  of
                  Fred F. Lawton R.P.L.S. No. 5530 dated October 19, 2007, last revised
                  November 9, 2007. (as to Tract III)

              

      

      

      
        	
                16.  

              	
                Right
                  of tenants in possession, as tenants only, under unrecorded lease
                  agreements, including the
                  following:

              

      

      

      Unrecorded
        leases dated June 2, 2006, between Transco Tower Limited, as Landlord, and
        Wachovia Bank, N.A., as Tenant, as reflected in instrument filed under Harris
        County Clerk's File Number(s) Z408720 and Z408721. (as to Tract I)

      

      
        
                

                    Exh.
              C -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        D

      

      THREATENED
        PARTIAL CONDEMNATION

      

      

      

       

      

       

       

      
        	
                ·  

              	
                Letter
                  dated November 7, 2006 from Metropolitan Transit Authority regarding
                  preliminary projects to meet Houston's transit
                  needs

              

      

       

       

      

       

       

      
        	
                ·  

              	
                Letter
                  dated January 9, 2007 from Metropolitan Transit Authority regarding
                  preliminary projects to meet Houston's transit
                  needs

              

      

       

       

      

       

      
        	
                ·  

              	
                Letter
                  dated March 12, 2007 from Metropolitan Transit Authority regarding
                  proposal for Guided Rapid Transit
                  line

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  dated November 26, 2007 from Lewis Realty Advisors regarding its
                  retention
                  by Metropolitan Transit Authority to contract with independent
                  appraisers
                  to complete appraisals of Parcel 07
                  (Waterwall)

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  dated November 26, 2007 from Lewis Realty Advisors regarding its
                  retention
                  by Metropolitan Transit Authority to contract with independent
                  appraisers
                  to complete appraisals of Parcel 08 (Williams
                  Tower)

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  dated February 19, 2008 from Metropolitan Transit Authority regarding
                  Lewis Realty Advisors

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  dated February 29, 2008 from Lewis Realty Advisors regarding its
                  representation of the Metropolitan Transit
                  Authority

              

      

       

      
        
                

                    Exh.
              D -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        E-1

       

      PROPERTY
        LEASES AND LICENSES

       

      ABC,
        Inc. (f/k/a Capital City Communications, Inc.)

       

      
        	
                ·  

              	
                Antenna
                  Site License Agreement, dated as of February 2, 1994, between TRANSCO
                  TOWER LIMITED, as licensor, and CAPITAL CITIES COMMUNICATIONS,
                  INC., as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to the Transco Tower Communication Equipment License,
                  dated as
                  of October 1, 1994, between TRANSCO TOWER, LTD., as licensor, and
                  CAPITAL
                  CITIES COMMUNICATIONS, INC., as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment and Renewal to Antenna Site License Agreement, dated
                  as of
                  November 17, 1998, between TRANSCO TOWER LIMITED, as licensor,
                  and ABC,
                  INC. (FKA CAPITAL CITIES COMMUNICATIONS, INC.), as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Communication Equipment License, dated as of January
                  31,
                  2001, between TRANSCO TOWER LIMITED, as licensor, and ABC, INC./KTRK
                  (FKA
                  CAPITAL CITIES COMMUNICATIONS), as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Communication Equipment License, dated as of January
                  31,
                  2006, between TRANSCO TOWER LIMITED, as licensor, and KTRK TELEVISION,
                  INC., as licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Request for Licensor's Consent to Assignment of Communication
                  Equipment License, dated as of July 28, 2006, between TRANSCO TOWER
                  LIMITED, as licensor, and ABC, INC., as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Assignment
                  and Assumption of License, dated as of July 28, 2006, among TRANSCO
                  TOWER
                  LIMITED, as landlord, ABC, INC. (FKA CAPITAL CITIES COMMUNICATIONS,
                  INC.),
                  as assignor, CC TEXAS HOLDING CO., INC., as interim assignee, and
                  KTRK
                  TELEVISION, INC., as assignee.

              

      

       

      

       

      

       

      Arch
        Insurance Company

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of August 29, 2003, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and ARCH INSURANCE COMPANY, as
                  tenant.

              

      

       

      

       

      AT&T
        Communications of the Southwest, Inc.

       

      

       

      
        	
                ·  

              	
                Telecommunications
                  License Agreement, dated as of August 31, 2005, between TRANSCO
                  TOWER
                  LIMITED, as licensor, and AT&T COMMUNICATIONS OF THE SOUTHWEST, INC.,
                  as licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Telecommunications License Agreement, dated as of May 31, 2007,
                  by
                  AT&T COMMUNICATIONS OF THE SOUTHWEST, INC., as
                  licensee.

              

      

       

      

       

      Axia
        Partners, LP

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of February 2, 2006, between TRANSCO TOWER
                  LIMITED, as
                  landlord, and AXIA PARTNERS, LP D/B/A AXIA RESOURCES, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment of Lease, dated as of March 9, 2006, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and AXIA PARTNERS, LP D/B/A AXIA RESOURCES,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of April 1, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and AXIA PARTNERS, LP D/B/A AXIA RESOURCES,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment of Lease, dated as of December 5, 2006, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and AXIA PARTNERS, LP D/B/A AXIA RESOURCES,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Request for Landlord's Consent to Sublease of Lease, dated
                  as of
                  December 27, 2006, between TRANSCO TOWER LIMITED, as landlord,
                  AXIA
                  PARTNERS, L.P., as tenant, and Hellmuth, Obata & Kassabaum, L.P., as
                  subtenant.

              

      

       

      

       

      BKD,
        LLP

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of October 31, 2005, between TRANSCO TOWER
                  LIMITED, as
                  landlord, and BKD, LLP, as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Subordination,
                  Non-Disturbance and Attornment Agreement, dated as of December
                  12, 2005,
                  among TRANSCO TOWER LIMITED, as landlord, BKD, LLP, as tenant,
                  and POA
                  HOLDINGS, LLC, as mortgagee.

              

      

       

      

       

      
        	
                ·  

              	
                Subordination,
                  Non-Disturbance and Attornment Agreement, dated as of December
                  16, 2005,
                  among TRANSCO TOWER LIMITED, as landlord, BKD, LLP, as tenant,
                  and POA
                  HOLDINGS, LLC, as mortgagee.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of May 9, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and BKD, LLP, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of January 31, 2007, between
                  TRANSCO TOWER LIMITED, as landlord, and BKD, LLP, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of May 24, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and BKD, LLP, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Temporary Storage Agreement, dated as of August 7, 2007, between
                  TRANSCO TOWER LIMITED, as landlord, and BKD LLP, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Temporary Storage Agreement, dated as of September 4, 2007,
                  between
                  TRANSCO TOWER LIMITED, as landlord, and BKD LLP, as
                  tenant.

              

      

       

      

       

      BNP
        Petroleum Corporation

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of December 23, 2003, between TRANSCO TOWER
                  LIMITED,
                  as landlord, and BNP PETROLEUM CORPORATION, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of July 28, 2004, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and BNP PETROLEUM CORPORATION, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of September 15, 2004, between
                  TRANSCO TOWER LIMITED, as landlord, and BNP PETROLEUM CORPORATION,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease and Expansion Effective Date, dated
                  as of
                  October 17, 2005, between TRANSCO TOWER LIMITED, as landlord, and
                  BNP
                  PETROLEUM CORPORATION, as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of October 25, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and BNP PETROLEUM CORPORATION,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Lease Agreement, dated as of July 31, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and BNP PETROLEUM CORPORATION, as
                  tenant.

              

      

       

      

       

      CB
        Richard Ellis Services, Inc.

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of July, 2006, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and CB RICHARD ELLIS SERVICES, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Subordination,
                  Non-Disturbance, and Attornment Agreement, dated as of July, 2006,
                  among
                  TRANSCO TOWER LIMITED, as landlord, CB RICHARD ELLIS SERVICES,
                  INC., as
                  tenant, and POA HOLDINGS, LLC, as
                  mortgagee.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of December 28, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and CB RICHARD ELLIS SERVICES,
                  INC.,
                  as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment of Lease, dated as of March 12, 2007, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and CB RICHARD ELLIS SERVICES, INC., as
                  tenant.

              

      

       

      

       

      Citicorp
        North America, Inc.

       

      

       

      
        	
                ·  

              	
                Guaranty,
                  dated as of July 25, 2006, by CITIGROUP INC., as
                  guarantor.

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of July 31, 2006, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and CITICORP NORTH AMERICA, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Subordination,
                  Non-Disturbance, and Attornment Agreement, dated as of July, 2006,
                  among
                  TRANSCO TOWER LIMITED, as landlord, CITICORP NORTH AMERICA, INC.,
                  as
                  tenant, and POA HOLDINGS, LLC, as
                  mortgagee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of August 30, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and CITICORP NORTH AMERICA, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of June 29, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and CITICORP NORTH AMERICA, INC., as
                  tenant.

              

      

       

      

       

      CMH
        & Associates, L.L.C

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Temporary Storage Agreement, dated as of January 28, 2002,
                  between
                  TRANSCO TOWER LIMITED, as landlord, and CMH & ASSOCIATES, L.L.C., as
                  tenant.

              

      

       

      

       

      Cogent
        Communications, Inc.

       

      

       

      
        	
                ·  

              	
                Telecommunications
                  License Agreement, dated as of August 22, 2002, between TRANSCO
                  TOWER
                  LIMITED, as licensor, and COGENT COMMUNICATIONS, INC., as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: 2800 Post Oak Boulevard, Houston, TX, dated as of May 31, 2007,
                  by
                  COGENT COMMUNICATIONS, INC., as
                  licensee.

              

      

       

      

       

      
        	
                 

              	
                John
                  F. Demartini

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of April 1, 1997, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and DR. JOHN F. DEMARTINI, as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease, dated as of April 30, 2002, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and JOHN F. DEMARTINI, as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease, dated as of April 20, 2005, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and JOHN F. DEMARTINI, as
                  lessee.

              

      

       

      

       

      
        	
                 

              	
                EDI
                  Architecture, Inc.

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of October 31, 2005, between TRANSCO TOWER
                  LIMITED, as
                  landlord, and EDI ARCHITECTURE, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of March 10, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and EDI ARCHITECTURE, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of August 1, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and EDI ARCHITECTURE, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of May 22, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and EDI ARCHITECTURE, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of August 15, 2007, between
                  TRANSCO TOWER LIMITED, as landlord, and EDI ARCHITECTURE, INC.,
                  as
                  tenant.

              

      

       

      

       

      
        	
                 

              	
                Entelligence,
                  LLC

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of March, 2006, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and ENTELLIGENCE, LLC, as
                  tenant.

              

      

       

      

       

      
        	
                 

              	
                Joseph
                  Duc Nguyen and Kim Hoang d/b/a Flair
                  Cleaners

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of January 17, 1996, between TRANSCO TOWER
                  LIMITED, as
                  lessor, and JOSEPH DUC NGUYEN AND KIM HOANG D/B/A FLAIR CLEANERS,
                  as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of January 25, 1999, between
                  TRANSCO TOWER LIMITED, as landlord, and JOSEPH DUC NGUYEN AND KIM
                  HOANG
                  D/B/A FLAIR CLEANERS, as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of February 1, 2004, between
                  TRANSCO TOWER LIMITED, as landlord, and JOSEPH DUC NGUYEN AND KIM
                  HOANG
                  D/B/A FLAIR CLEANERS, as tenant.

              

      

       

      

       

      Fleishman-Hillard,
        Inc.

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of October 13, 1994, between TRANSCO TOWER
                  LIMITED, as
                  lessor, and MISKO, HOWIE & SWEENEY, L.L.P., as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of January 4, 1995, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and MISKO, HOWIE & SWEENEY, L.L.P., as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of March 3, 1995, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and MISKO, HOWIE & SWEENEY, L.L.P., as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of August 29, 1995, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and MISKO, HOWIE & SWEENEY, L.L.P., as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Assignment
                  and Assumption of Lease Agreement, dated as of February 1, 1996,
                  between
                  MISKO & HOWIE (AS SUCCESSOR IN INTEREST TO MISKO, HOWIE & SWEENY,
                  L.L.P.), as assignor, and FLEISHMAN-HILLARD, INC., as
                  assignee.

              

      

       

      

       

      
        	
                ·  

              	
                Consent
                  to Assignment of Lease Agreement and Release of Guaranty, dated
                  as of
                  March 14, 1996, by TRANSCO TOWER LIMITED, as
                  lessor.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Request for Lessor's Consent to Lessee's Assignment Lease Pursuant
                  to
                  Merger, dated as of August 26, 1997, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and FLEISHMAN-HILLARD, INC., SUCCESSOR IN INTEREST TO MISKO,
                  HOWIE
                  & SWEENEY, L.L.P., as lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of February 24, 2000, between
                  TRANSCO TOWER LIMITED, as lessor, and FLEISHMAN-HILLARD, INC.,
                  as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Lease Agreement, dated as of February 13, 2003, between
                  TRANSCO TOWER LIMITED, as landlord, and FLEISHMAN-HILLARD, INC.,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Fifth
                  Amendment to Lease Agreement, dated as of March 1, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and FLEISHMAN-HILLARD, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Sixth
                  Amendment to Lease Agreement, dated as of June 2, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and FLEISHMAN-HILLARD INC., SUCCESSOR
                  TO
                  MISKO, HOWIE & SWEENEY, L.L.P., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Seventh
                  Amendment to Lease Agreement, dated as of July 25, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and FLEISHMAN-HILLARD INC., SUCCESSOR
                  TO
                  MISKO, HOWIE & SWEENEY, L.L.P., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of August 28, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and FLEISHMAN-HILLARD INC.,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Eighth
                  Amendment to Lease Agreement, dated as of April 30, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and FLEISHMAN-HILLARD INC., SUCCESSOR
                  TO
                  MISKO, HOWIE & SWEENEY, L.L.P., as
                  tenant.

              

      

       

      

       

      Freebird
        Partners, LP

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of November 12, 2002, between TRANSCO TOWER
                  LIMITED,
                  as landlord, and FREEBIRD PARTNERS, LP, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of May 10, 2004, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and FREEBIRD PARTNERS, L.P., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of December 15, 2004, between
                  TRANSCO TOWER LIMITED, as landlord, and FREEBIRD PARTNERS, L.P.,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of June 21, 2005, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and FREEBIRD PARTNERS, L.P., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of October 17, 2005, between
                  TRANSCO TOWER LIMITED, as landlord, and FREEBIRD PARTNERS, L.P.,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Lease Agreement, dated as of June 19, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and FREEBIRD PARTNERS, L.P., as
                  tenant.

              

      

       

      

       

      Gevity
        HR, Inc.

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of June 24, 2005, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and GEVITY HR, Inc., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: ROFR Option, dated as of December 19, 2005, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and GEVITY HR, Inc., as
                  tenant.

              

      

       

      

       

      GJR
        Title Services, Inc.

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of August 5, 2005, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and GJR TITLE SERVICES, INC., as
                  tenant.

              

      

       

      

       

      Hellmuth,
        Obata & Kassabaum, L.P.

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of November 23, 2004, between TRANSCO TOWER
                  LIMITED,
                  as landlord, and HELLMUTH, OBATA & KASSABAUM, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Guaranty,
                  dated as of December 2, 2004, by HOK, INC., as
                  guarantor.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: ROFR Option, dated as of November 22, 2005, between HINES,
                  as property
                  manager, and HELLMUTH, OBATA, KASSABAUM, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of January 31, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and HELLMUTH, OBATA & KASSABAUM,
                  L.P., as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of May 15, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and HELLMUTH, OBATA & KASSABAUM, L.P., as
                  tenant.

              

      

       

      

       

      
        	
                 

              	
                Highrise
                  Electrical Technologies
                  Incorporated

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Temporary Storage Agreement, dated as of August 31, 2005, between
                  TRANSCO TOWER LIMITED, as landlord, and HIGHRISE ELECTRICAL TECHNOLOGIES
                  INCORPORATED, as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Amendment
                  of Letter Agreement Relating to Temporary Storage, dated as of
                  January 1,
                  2007, between TRANSCO TOWER LIMITED, as landlord, and HIGHRISE
                  ELECTRICAL
                  TECHNOLOGIES INCORPORATED, as
                  tenant.

              

      

       

      

       

      Hines
        Interests Limited Partnership (Corporate Office)

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Temporary Storage Agreement, dated as of January 19, 2000,
                  between
                  TRANSCO TOWER LIMITED, as landlord, and HINES INTERESTS LIMITED
                  PARTNERSHIP, as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Level 47 Election Notice, dated as of August 20, 2003, by HINES
                  INTERESTS LIMITED PARTNERSHIP, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Lease Agreement between Transco Tower Limited and Hines Interests
                  Limited Partnership, dated as of June 13, 2005, between HINES,
                  as property
                  manager, and HINES INTERESTS LIMITED PARTNERSHIP, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of July 23, 2003, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and HINES INTERESTS LIMITED PARTNERSHIP, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Amendment
                  to Lease Agreement, dated as of December 29, 2005, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and HINES INTERESTS LIMITED PARTNERSHIP,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of March 1, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and HINES INTERESTS LIMITED PARTNERSHIP,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of April 20, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and HINES INTERESTS LIMITED PARTNERSHIP,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of November 1, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and HINES INTERESTS LIMITED
                  PARTNERSHIP, as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Lease Agreement, dated as of July 31, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and HINES INTERESTS LIMITED PARTNERSHIP,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Fifth
                  Amendment to Lease Agreement, dated September 30, 2007, by and
                  between
                  TRANSCO TOWER LIMITED, as landlord, and HINES INTERESTS LIMITED
                  PARTNERSHIP, as tenant.

              

      

       

      

       

      

       

      
        	
                 

              	
                Hines
                  Interests Limited Partnership (Property Management
                  Office)

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of October 19, 1998, between TRANSCO TOWER
                  LIMITED, as
                  lessor, and HINES INTERESTS LIMITED PARTNERSHIP, as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of October 19, 2001, between
                  TRANSCO TOWER LIMITED, as landlord, and HINES INTERESTS LIMITED
                  PARTNERSHIP, as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Reinstatement
                  and Second Amendment to Lease Agreement, dated as of October 19,
                  2004,
                  between TRANSCO TOWER LIMITED, as landlord, and HINES INTERESTS
                  LIMITED
                  PARTNERSHIP, as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Reinstatement
                  and Third Amendment to Lease Agreement, dated as of October 19,
                  2007, by
                  and between TRANSCO TOWER LIMITED, as landlord, and HINES INTERESTS
                  LIMITED PARTNERSHIP, as tenant.

              

      

       

      

       

      
        	
                 

              	
                Hines
                  Real Estate Securities,
                  Inc.

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of August 29, 2003, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and HINES REAL ESTATE SECURITIES, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment of Lease, dated as of May 10, 2004, between TRANSCO TOWER
                  LIMITED, as landlord, and HINES REAL ESTATE SECURITIES, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment of Lease, dated as of July 13, 2004, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and HINES REAL ESTATE SECURITIES, INC., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Temporary Storage Agreement, dated as of September 21, 2004,
                  between
                  TRANSCO TOWER LIMITED, as landlord, and HINES REAL ESTATE SECURITIES,
                  INC., as tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment of Lease, dated as of September 22, 2006, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and HINES REAL ESTATE SECURITIES, INC., as
                  tenant.

              

      

       

      

       

      
        	
                 

              	
                Houston
                  Independent School
                  District

              

      

       

      

       

      
        	
                ·  

              	
                Communication
                  Equipment License, dated as of July 24, 1995, between TRANSCO TOWER
                  LIMITED, as licensor, and HOUSTON INDEPENDENT SCHOOL DISTRICT,
                  as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Communications Equipment License, dated as of September
                  12,
                  2000, between TRANSCO TOWER LIMITED, as licensor, and HOUSTON INDEPENDENT
                  SCHOOL DISTRICT, as licensee

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Communications Equipment License, dated as of May
                  31, 2005,
                  between TRANSCO TOWER LIMITED, as licensor, and HOUSTON INDEPENDENT
                  SCHOOL
                  DISTRICT, as licensee

              

      

       

      

       

      
        	
                 

              	
                City
                  of Houston, Texas

              

      

       

      

       

      
        	
                ·  

              	
                Transco
                  Tower Communication Equipment License, dated as of April 14, 1999,
                  between
                  TRANSCO TOWER LIMITED, as licensor, and CITY OF HOUSTON, TEXAS,
                  as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Communications Equipment License, dated as of December
                  1,
                  2002, between TRANSCO TOWER LIMITED, as licensor, and CITY OF HOUSTON,
                  TEXAS, as licensee.

              

      

       

      

       

      
        	
                 

              	
                Interchem
                  Americas Corporation

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of May 14, 1996, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and INTERCHEM AMERICAS CORPORATION, as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of May 7, 1999, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and INTERCHEM AMERICAS CORPORATION,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Temporary Storage Agreement, dated as of August 11, 1999, between
                  TRANSCO TOWER LIMITED, as landlord, and INTERCHEM AMERICAS CORPORATION,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of February 11, 2003, between
                  TRANSCO TOWER LIMITED, as landlord, and INTERCHEM AMERICAS CORPORATION,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of December 31, 2003, between
                  TRANSCO TOWER LIMITED, as landlord, and INTERCHEM AMERICAS CORPORATION,
                  as
                  tenant.

              

      

       

      

       

      
        	
                 

              	
                Kentan
                  Corporation

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of January, 2004, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and KENTAN CORPORATION, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement, dated as of May 24, 2004, between TRANSCO TOWER
                  LIMITED,
                  as landlord, and KENTAN CORPORATION, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Amendment
                  to Lease Agreement, dated as of January 20, 2006, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and KENTAN CORPORATION, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated October 17, 2007, by and between
                  TRANSCO TOWER LIMITED, as landlord, and KENTAN CORPORATION, as
                  tenant

              

      

       

      

       

      Kim
        Mai d/b/a Kim's Sundries

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of October 1, 1993, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and KIM'S SUNDRIES, as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of February 24, 1994, between
                  TRANSCO TOWER LIMITED, as lessor, and KIM'S SUNDRIES, as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of January 25, 1999, between
                  TRANSCO TOWER LIMITED, as landlord, and KIM'S SUNDRIES, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of February 17, 2004, between
                  TRANSCO TOWER LIMITED, as landlord, and KIM MAI D/B/A KIM'S SUNDRIES,
                  as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of November, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and KIM MAI D/B/A KIM'S SUNDRIES, as
                  tenant.

              

      

       

      KKBQ
        FM

       

      
        	
                ·  

              	
                Communication
                  Equipment License, dated as of December 12, 1994, between TRANSCO
                  TOWER
                  LIMITED, as licensor, and GANNETT TEXAS BROADCASTING dba KKBQ AM/FM,
                  as
                  licensee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  and Renewal to Antenna Site License Agreement, dated as of December
                  25,
                  1996, between TRANSCO TOWER LIMITED, as licensor, and GANNETT TEXAS
                  BROADCASTING dba KKBQ AM/FM, as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Consent
                  to Assignment of KKBQ to Evergreen Media Corporation, dated as
                  of June 17,
                  1997, between TRANSCO TOWER LIMITED and PACIFIC AND SOUTHERN COMPANY,
                  INC.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment and Renewal to Communication Equipment License, dated
                  as of
                  April 22, 1998, between TRANSCO TOWER LIMITED, as licensor, and
                  KKBQ FM,
                  as licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Communication Equipment License, dated as of December
                  31,
                  1998, between TRANSCO TOWER LIMITED, as licensor, and KKBQ FM,
                  as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Communication Equipment License, dated as of December
                  31,
                  1999, between TRANSCO TOWER LIMITED, as licensor, and KKBQ FM,
                  as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Fifth
                  Amendment to Communication Equipment License, dated as of December
                  15,
                  2000, between TRANSCO TOWER LIMITED, as licensor, and KKBQ FM,
                  as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Sixth
                  Amendment to Communication Equipment License, dated as of January
                  1, 2002,
                  between TRANSCO TOWER LIMITED, as licensor, and KKBQ FM, as
                  licensee.

              

      

       

      Knoll,
        Inc. (successor in interest by merger to Knoll North America,
        Inc.)

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of January 4, 1996, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and KNOLL NORTH AMERICA, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of November 7, 2005, between
                  TRANSCO TOWER LIMITED, as landlord, and KNOLL, INC. (successor
                  in interest
                  by merger to KNOLL NORTH AMERICA, INC.), as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of September 20, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and KNOLL, INC. (successor
                  in interest
                  by merger to KNOLL NORTH AMERICA, INC.), as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of September 26, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and KNOLL, INC. (successor
                  in interest
                  by merger to KNOLL NORTH AMERICA, INC.), as
                  tenant.

              

      

       

      Kuwait
        Petroleum Corporation (Western Hemisphere)

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of April 4, 1994, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and KUWAIT PETROLEUM CORPORATION (WESTERN HEMISPHERE) KSC,
                  as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Guaranty,
                  dated as of April 4, 1994, by KUWAIT PETROLEUM CORPORATION, as
                  guarantor,
                  for the benefit of TRANSCO TOWER LIMITED, as
                  lessor.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of August 22, 1994, between
                  TRANSCO TOWER LIMITED, as lessor, and KUWAIT PETROLEUM CORPORATION
                  (WESTERN HEMISPHERE) KSC, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  to Lease Agreement, February 8, 2005, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and KUWAIT PETROLEUM CORPORATION (WESTERN HEMISPHERE),
                  as
                  tenant.

              

      

       

      Landco
        Development, LLC

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of May 31, 2006, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and LANDCO DEVELOPMENT, LLC, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment of Lease, dated as of December 29, 2006, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and LANDCO DEVELOPMENT, LLC, as
                  tenant.

              

      

       

      Madrid,
        Martinez & Associates, LLP

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of October 8, 2004, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and MADRID, MARTINEZ & ASSOCIATES, LLP, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of February 1, 2005, between
                  TRANSCO TOWER LIMITED, as landlord, and MADRID, MARTINEZ & ASSOCIATES,
                  LLP, as tenant.

              

      

       

      Marubeni
        America Corporation

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of September 30, 1992, between TRANSCO TOWER
                  LIMITED,
                  as lessor, and MARUBENI AMERICA CORPORATION, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of February 25, 1993, between
                  TRANSCO TOWER LIMITED, as landlord, and MARUBENI AMERICA CORPORATION,
                  as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                 First
                  Amendment to Lease Agreement, dated as of September 30, 1992, between
                  TRANSCO TOWER LIMITED, as lessor, and MARUBENI AMERICA CORPORATION,
                  as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of January 30, 2003, between
                  TRANSCO TOWER LIMITED, as lessor, and MARUBENI AMERICA CORPORATION,
                  as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of August 15, 2007, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and MARUBENI AMERICA CORPORATION, as
                  lessee.

              

      

       

      MCIMetro
        Access Transmission Services LLC

       

      
        	
                ·  

              	
                Telecommunications
                  License Agreement, dated as of October 25, 2005, between TRANSCO
                  TOWER
                  LIMITED, as licensor, and MCIMETRO ACCESS TRANSMISSION SERVICES
                  LLC, as
                  licensee.

              

      

       

      Metro
        Networks Communications, Inc.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of June 3, 2005, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and METRO NETWORKS COMMUNICATIONS, INC., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of August 24, 2005, between
                  TRANSCO TOWER LIMITED, as landlord, and METRO NETWORKS COMMUNICATIONS,
                  INC., as tenant.

              

      

       

      Metropolitan
        Transit Authority

       

      
        	
                ·  

              	
                Communication
                  Equipment Lease, dated as of August 28, 1992, between TRANSCO TOWER
                  LIMITED, as lessor, and METROPOLITAN TRANSIT AUTHORITY, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  and Renewal to Transco Tower, LTD. Communication Equipment Lease,
                  dated as
                  of August 18, 1997, between TRANSCO TOWER LIMITED, as lessor, and
                  METROPOLITAN TRANSIT AUTHORITY, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment and Renewal to Transco Tower, LTD. Communication Equipment
                  Lease, dated as of January 1, 1998, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and METROPOLITAN TRANSIT AUTHORITY, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment and Renewal to Transco Tower, LTD. Communication Equipment
                  Lease, dated as of September 17, 2002, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and METROPOLITAN TRANSIT AUTHORITY, as
                  lessee.

              

      

       

      

      Murphy's
        Deli Franchising, Inc.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of August 15, 2004, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and MURPHY'S DELI FRANCHISING, INC., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Landlord's
                  Subordination, dated as of October 21, 2004, between TRANSCO TOWER
                  LIMITED, as landlord, and SOUTHWESTERN NATIONAL BANK as secured
                  party.

              

      

       

      Nathan
        Sommers Jacobs + Gorman (f/k/a Nathan, Wood, Sommers &
Lippman)

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of September 23, 1998, between TRANSCO TOWER
                  LIMITED,
                  as lessor, and NATHAN, WOOD, SOMMERS & LIPPMAN, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of March 1, 1999, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and NATHAN, WOOD, SOMMERS & LIPPMAN, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of June 30, 2004, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and NATHAN SOMMERS JACOBS + GORMAN, a
                  professional corporation, F/K/A NATHAN, WOOD, SOMMERS & LIPPMAN, as
                  lessee.

              

      

       

      NEVADASPACE.NET,
        INC.

       

      
        	
                ·  

              	
                Antenna
                  Site License Agreement, dated as of August 15, 2000, between TRANSCO
                  TOWER
                  LIMITED, as licensor, and NEVADASPACE.NET, INC., as
                  licensee.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Antenna Site License Agreement, dated as of January
                  12, 2001,
                  between TRANSCO TOWER LIMITED, as licensor, and NEVADASPACE.NET,
                  INC., as
                  licensee.

              

      

       

      

       

      NextiraOne,
        LLC

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of November 20, 2003, between TRANSCO TOWER
                  LIMITED,
                  as landlord, and NEXTIRAONE, LLC, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Sublease
                  Agreement, dated as of November 15, 2005, between NEXTIRAONE, LLC,
                  as
                  sublandlord, and DELOITTE AND TOUCHE USA LLP, as
                  subtenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Request for Landlord's Consent to Sublease of Lease, dated
                  as of
                  January 9, 2006, among TRANSCO TOWER LIMITED, as landlord, NEXTIRAONE,
                  LLC, as tenant, and DELOITTE & TOUCHE USA LLP, as
                  subtenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Sublease, dated as of January 31, 2006, between NEXTIRAONE,
                  LLC, as sublandlord, and DELOITTE AND TOUCHE USA LLP, as
                  subtenant.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Request for Landlord's Consent to First Amendment to Sublease,
                  dated
                  as of February 16, 2006, among TRANSCO TOWER LIMITED, as landlord,
                  NEXTIRAONE, LLC, as tenant, and DELOITTE & TOUCHE USA LLP, as
                  subtenant.

              

      

       

      

       

      
        	
                ·  

              	
                Acknowledgement
                  and Consent to Assignment of Lease, dated as of May 1, 2006, among
                  TRANSCO
                  TOWER LIMITED, as landlord, NEXTIRAONE, LLC, as tenant, and BLACK
                  BOX
                  CORPORATION, as subtenant.

              

      

       

      

       

      
        	
                ·  

              	
                Sublease
                  Agreement, dated as of July 2, 2007, between NEXTIRAONE, LLC, D/B/A
                  BLACK
                  BOX NETWORK SERVICES, as sublessor, and HELLMUTH, OBATA & KASSABAUM,
                  L.P., as sublessee.

              

      

       

      

       

      
        	
                ·  

              	
                Letter
                  re: Request for Landlord's Consent to Sublease of Lease, dated
                  as of July
                  26, 2007, among TRANSCO TOWER LIMITED, as landlord, NEXTIRAONE,
                  LLC, as
                  tenant, and HELLMUTH, OBATA & KASSABAUM, L.P., as
                  subtenant.

              

      

       

      

       

      
        	
                 

              	
                Radio
                  One of Texas, L.P.

              

      

       

      

       

      
        	
                ·  

              	
                Transco
                  Tower Communication Equipment License, dated as of as of July 1,
                  1993,
                  between TRANSCO TOWER LIMITED, as licensor, and NOBLE BROADCAST
                  OF
                  HOUSTON, INC., as licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Amendment
                  and Renewal to Antenna Site License Agreement, dated as of August
                  14,
                  1996, between TRANSCO TOWER LIMITED, as licensor, and CLEAR CHANNEL
                  COMMUNICATIONS (formerly NOBLE BROADCAST OF HOUSTON, INC.), as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Antenna Site License Agreement, dated as of May 22,
                  2000,
                  between TRANSCO TOWER LIMITED, as licensor, and CLEAR CHANNEL
                  COMMUNICATIONS (formerly NOBLE BROADCAST OF HOUSTON, INC.), as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Assignment,
                  Assumption and Consent Agreement, dated as of June 21, 2000, among
                  TRANSCO
                  TOWER LIMITED, as lessor, CLEAR CHANNEL BROADCASTING, INC., as
                  assignor,
                  and RADIO ONE, INC., as assignee.

              

      

       

      

       

      
        	
                ·  

              	
                Assignment,
                  Assumption and Consent Agreement, dated as of August 25, 2000,
                  among
                  TRANSCO TOWER LIMITED, as lessor, CLEAR CHANNEL BROADCASTING, INC.,
                  as
                  assignor, and RADIO ONE, INC., as
                  assignee.

              

      

       

      

       

      
        	
                ·  

              	
                Assignment,
                  Assumption and Consent Agreement, dated as of December 31, 2001,
                  among
                  TRANSCO TOWER LIMITED, as lessor, RADIO ONE, INC., as assignor,
                  and RADIO
                  ONE OF TEXAS, L.P., as assignee.

              

      

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Communication Equipment License, dated as of January
                  1, 2003,
                  between TRANSCO TOWER LIMITED, as licensor, and RADIO ONE OF TEXAS,
                  L.P.
                  (assignee of RADIO ONE, INC., assignee of CLEAR CHANNEL COMMUNICATIONS,
                  formerly NOBLE BROADCAST OF HOUSTON, INC.), as
                  licensee.

              

      

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Communication Equipment License Agreement, dated as
                  of
                  January 1, 2006, between TRANSCO TOWER LIMITED, as licensor, and
                  RADIO ONE
                  OF TEXAS, L.P. (assignee of CLEAR CHANNEL COMMUNICATIONS, formerly
                  NOBLE
                  BROADCAST OF HOUSTON, INC.), as
                  licensee.

              

      

       

      

       

      Roberts
        Markel Bale, P.C.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of August 29, 2005, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and ROBERTS MARKEL GUERRY, P.C., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of March 6, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and ROBERTS MARKEL GUERRY, P.C. as
                  tenant.

              

      

       

      Rowan
        Companies, Inc.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of December 28, 1989, between TRANSCO TOWER
                  LIMITED,
                  as lessor, and ROWAN COMPANIES, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment of Lease and Declaration of Commencement Date of Lease,
                  dated as
                  of February 5, 1991, between TRANSCO TOWER LIMITED, as lessor,
                  and ROWAN
                  COMPANIES, INC., as lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of July 15, 1991, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and ROWAN COMPANIES, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease Amendment Number Two dated as of
                  August 26,
                  1991, between TRANSCO TOWER LIMITED, as lessor, and ROWAN COMPANIES,
                  INC.,
                  as lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Lease
                  Amendment Number Three, dated as of September 22, 1993, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and ROWAN COMPANIES, INC., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Temporary
                  Storage Agreement, dated as of November 27, 1996, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and ROWAN COMPANIES, INC., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Temporary
                  Storage Agreement, dated as of February 10, 1999, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and ROWAN COMPANIES, INC., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  Number Four to Lease Agreement, dated as of September 22, 2000,
                  between
                  TRANSCO TOWER LIMITED, as landlord, and ROWAN COMPANIES, INC.,
                  as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  Number Five to Lease Agreement, dated as of April 29, 2005, between
                  TRANSCO TOWER LIMITED, as landlord, and ROWAN COMPANIES, INC.,
                  as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  Number Six to Lease Agreement, dated as of May 23, 2005, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and ROWAN COMPANIES, INC., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  Number Seven to Lease Agreement, dated as of March 6, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and ROWAN COMPANIES, INC.,
                  as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  Number Eight to Lease Agreement, dated as of June 5, 2006, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and ROWAN COMPANIES, INC., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  Number Nine to Lease Agreement, dated as of August 1, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and ROWAN COMPANIES, INC.,
                  as
                  tenant.

              

      

       

      Royal
        Bank of Canada

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of December 22, 1999, between TRANSCO TOWER
                  LIMITED,
                  as lessor, and ROYAL BANK OF CANADA, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease dated as of February 1, 2001, between
                  TRANSCO TOWER LIMITED, as lessor, and ROYAL BANK OF CANADA, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of March 6, 2005, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and ROYAL BANK OF CANADA, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease Agreement, dated as of July 15, 2005, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and ROYAL BANK OF CANADA, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease for the First Amendment to Lease
                  Agreement,
                  dated as of February 27, 2006, between TRANSCO TOWER LIMITED, as
                  landlord,
                  and ROYAL BANK OF CANADA, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease Agreement, dated as of April 11, 2006 between
                  TRANSCO
                  TOWER LIMITED, as lessor, and ROYAL BANK OF CANADA, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Lease Agreement, dated as of July 17, 2006, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and ROYAL BANK OF CANADA, as
                  lessee.

              

      

       

      Ryan
        & Company, Inc.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of April 21, 2004, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and RYAN & COMPANY, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of December 5, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and RYAN & COMPANY, as
                  tenant.

              

      

       

      Solar
        & Associates, L.P.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of July 1, 1994, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and SOLAR & FERNANDES, L.L.P., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Reinstatement
                  and Amendment to Lease Agreement, dated as of September 18, 2004,
                  between
                  TRANSCO TOWER LIMITED, as landlord, and SOLAR & ASSOCIATES, L.P. as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Temporary
                  Storage Agreement, dated as of December 14, 2004, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and SOLAR & ASSOCIATES, L.P., as
                  tenant.

              

      

       

      Salomon
        Smith Barney Inc.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of June 1, 1983, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and E.F. HUTTON & COMPANY, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Lease
                  Amendment I, dated as of November 8, 1983, between TRANSCO TOWER
                  LIMITED,
                  as lessor, and E.F. HUTTON & COMPANY, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Lease
                  Amendment II, dated as of November 7, 1985, between TRANSCO TOWER
                  LIMITED,
                  as lessor, and E.F. HUTTON & COMPANY, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Lease
                  Amendment III, dated as of July 20, 1987, between TRANSCO TOWER
                  LIMITED,
                  as lessor, and E.F. HUTTON & COMPANY, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Lease
                  Amendment IV, dated as of December 10, 1987, between TRANSCO TOWER
                  LIMITED, as lessor, and E.F. HUTTON & COMPANY, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Fifth
                  Amendment of Lease, dated as of October 28, 1998, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and SALOMON SMITH BARNEY, INC., successor in
                  interest
                  to E.F. HUTTON & COMPANY, INC. as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Sixth
                  Amendment of Lease, dated as of February 29, 2008, by and between
                  TRANSCO
                  TOWER LIMITED, as lessor, and CITIGROUP GLOBAL MARKETS INC., successor
                  in
                  interest to E.F. Hutton & Company, Inc., as
                  lessee.

              

      

       

      Spresso
        Bar Inc.

       

      
        	
                ·  

              	
                License
                  Agreement, dated as of February 28, 2003, between TRANSCO TOWER
                  LIMITED,
                  as licensor, and MILLS DUNCAN, as
                  licensee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Temporary
                  Storage Agreement, dated as of March 1, 2003, between TRANSCO TOWER
                  LIMITED, as landlord, and MILLS DUNCAN, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Amendment
                  of License Agreement and Temporary Storage Agreement, dated as
                  of March
                  10, 2004, between TRANSCO TOWER LIMITED, as licensor, and MILLS
                  DUNCAN, as
                  licensee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment of License Agreement and Temporary Storage Agreement,
                  dated as
                  of April 15, 2004, between TRANSCO TOWER LIMITED, as licensor,
                  and MILLS
                  DUNCAN, as licensee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Assignment
                  and Third Amendment of License Agreement and Temporary Storage
                  Agreement,
                  dated as of January 9, 2007, among TRANSCO TOWER LIMITED, as licensor,
                  and
                  MILLS DUNCAN, an individual, d/b/a EXPRESSO COFFEE, as assignor,
                  and
                  SPRESSO BAR INC., as assignee.

              

      

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment of License Agreement and Temporary Storage Agreement,
                  effective
                  February 29, 2008, by and between TRANSCO TOWER LIMITED, as licensor,
                  and
                  Spresso Bar, Inc., as licensee.

              

      

       

      Teikoku
        Oil (U.S.A.) Co., LTD

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of September 4, 1991, between TRANSCO TOWER
                  LIMITED,
                  as lessor, and TEIKOKU OIL (U.S.A.) CO., LTD., as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement, dated as of October 29, 1991, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and TEIKOKU OIL (U.S.A.) CO., LTD., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Lease
                  Amendment Number One, dated as of February 15, 1991, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and TEIKOKU OIL (U.S.A.) CO., LIMITED, as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment of Lease, dated as of July 19, 1996, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and TEIKOKU OIL (U.S.A.) CO., LIMITED, as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Lease
                  Amendment Number Three, dated as of October 29, 1999, between TRANSCO
                  TOWER LIMITED, as lessor, and TEIKOKU OIL (U.S.A.) CO., LTD., as
                  lessee.

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Amendment Number Four, dated as of August 16, 2004, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TEIKOKU OIL (U.S.A.) CO., LTD., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Temporary
                  Storage Agreement, dated as of August 16, 2004, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TEIKOKU OIL (U.S.A.) CO., LTD., as
                  tenant.

              

      

       

      Texas
        And Kansas City Cable Partners, LP d/b/a Time Warner Cable

       

      
        	
                ·  

              	
                Telecommunications
                  License Agreement, dated as of June 6, 2006, between TRANSCO TOWER
                  LIMITED, as licensor, and TEXAS AND KANSAS CITY CABLE PARTNERS,
                  LP, dba,
                  TIME WARNER CABLE, as licensee.

              

      

       

      Time
        Warner Entertainment/Advance Newhouse Partnership L.P. and Time Warner
        Communications of Houston L.P.

       

      
        	
                ·  

              	
                Telecommunications
                  License Agreement, dated as of November 1, 1996, between TRANSCO
                  TOWER
                  LIMITED, as licensor, and TIME WARNER ENTERTAINMENT/ADVANCE NEWHOUSE
                  PARTNERSHIP L.P. AND TIME WARNER COMMUNICATIONS OF HOUSTON L.P.,
                  jointly
                  and severally, as licensee.

              

      

       

      Transcontinental
        Gas Pipe Line Corporation

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of October 23, 2003, between TRANSCO TOWER
                  LIMITED, as
                  landlord, and TRANSCONTINENTAL GAS PIPE LINE CORPORATION, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment of Lease, dated as of March 10, 2004, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TRANSCONTINENTAL GAS PIPE LINE CORPORATION,
                  as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment of Lease, dated as of March 11, 2004, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TRANSCONTINENTAL GAS PIPE LINE CORPORATION,
                  as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Extension
                  of Second Amendment of Lease, dated as of June 25, 2004, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and TRANSCONTINENTAL GAS PIPE LINE
                  CORPORATION, as tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment of Lease, dated as of May 10, 2004, between TRANSCO TOWER
                  LIMITED, as landlord, and TRANSCONTINENTAL GAS PIPE LINE CORPORATION,
                  as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment of Lease, dated as of August 21, 2006, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TRANSCONTINENTAL GAS PIPE LINE CORPORATION,
                  as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Fifth
                  Amendment of Lease, dated as of November 30, 2006, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TRANSCONTINENTAL GAS PIPE LINE CORPORATION,
                  as
                  tenant.

              

      

       

      Transtar
        Federal Credit Union

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of March 26, 2004, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and TRANSTAR FEDERAL CREDIT UNION, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                First
                  Amendment of Lease, dated as of May 23, 2007, by and between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TRANSTAR FEDERAL CREDIT UNION, as
                  tenant.

              

      

       

      

       

      Tristar
        Holdings, Inc.(f/k/a Tri Star Properties,
        Inc.)

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of July 13, 1984, between TRANSCO TOWER LIMITED,
                  as
                  lessor, and TRI STAR PROPERTIES, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease, dated as of April 1, 1989, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and TRISTAR PROPERTIES, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease, dated as of April 1, 1994, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and TRISTAR HOLDINGS, INC., formerly known
                  as TRI STAR
                  PROPERTIES, INC., as lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease, dated as of March 4, 1999, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TRISTAR HOLDINGS, INC., formerly known
                  as TRI
                  STAR PROPERTIES, INC., as tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Lease, dated as of August 10, 2001, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TRISTAR HOLDINGS, INC., formerly known
                  as TRI
                  STAR PROPERTIES, INC., as tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Fifth
                  Amendment to Lease, dated as of March 26, 2004, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and TRISTAR HOLDINGS, INC., formerly known
                  as TRI
                  STAR PROPERTIES, INC., as tenant.

              

      

       

      Van
        Kampen Investments, Inc.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of December 31, 1990, between TRANSCO TOWER
                  LIMITED,
                  as lessor, and AMERICAN CAPITAL MANAGEMENT & RESEARCH, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease, dated as of into August 1, 1995, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and VAN KAMPEN AMERICAN CAPITAL, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of May 15, 1996, between
                  TRANSCO
                  TOWER LIMITED, as lessor, and VAN KAMPEN AMERICAN CAPITAL, INC.,
                  as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment to Lease, dated as of January 19, 2000, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and VAN KAMPEN INVESTMENTS, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment to Lease, dated as of September 11, 2000, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and VAN KAMPEN INVESTMENTS, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Fourth
                  Amendment to Lease, dated as of February 19, 2001, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and VAN KAMPEN INVESTMENTS, INC., as
                  lessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Fifth
                  Amendment to Lease, dated as of January 1, 2005, between TRANSCO
                  TOWER
                  LIMITED, as lessor, and VAN KAMPEN INVESTMENTS, INC., as
                  lessee.

              

      

       

      Virtus
        Group L.P.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of October 11, 2005, between TRANSCO TOWER
                  LIMITED, as
                  landlord, and VIRTUS GROUP L.P., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, November 14, 2005, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and VIRTUS GROUP L.P., as
                  tenant.

              

      

       

      Wachovia
        Bank N.A. (Office Space)

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of June 2, 2006, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and WACHOVIA BANK N.A., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Subordination,
                  Non-Disturbance and Attornment Agreement, dated as of June 2, 2006,
                  among
                  POA HOLDINGS, LLC, as mortgagee, TRANSCO TOWER LIMITED, as landlord,
                  and
                  WACHOVIA BANK N.A., as tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of April 30, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and WACHOVIA BANK N.A., as
                  tenant.

              

      

       

      Wachovia
        Bank N.A. (Retail Space)

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of June 2, 2006, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and WACHOVIA BANK N.A., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Subordination,
                  Non-Disturbance and Attornment Agreement, dated as of June 2, 2006,
                  among
                  POA HOLDINGS, LLC, as mortgagee, TRANSCO TOWER LIMITED, as landlord,
                  and
                  WACHOVIA BANK N.A., as tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of April 30, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and WACHOVIA BANK N.A., as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated as of January 1, 2007, between
                  TRANSCO
                  TOWER LIMITED, as landlord, and WACHOVIA BANK N.A., as
                  tenant.

              

      

       

      Waters
        & Associates, Inc. d/b/a Waters Group

       

      
        	
                ·  

              	
                Guaranty,
                  dated as of November 26, 2005, by LOUIS A. WATERS, as
                  guarantor.

              

      

       

      

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of June 2, 2006, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and WATERS & ASSOCIATES, INC. D/B/A WATERS GROUP, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Declaration
                  of Commencement Date of Lease, dated as of February 27, 2006, between
                  TRANSCO TOWER LIMITED, as landlord, and WATERS & ASSOCIATES, INC.
                  D/B/A WATERS GROUP, as tenant.

              

      

       

      WesternGeco,
        L.L.C.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated August 21, 2006 between TRANSCO TOWER LIMITED,
                  as
                  landlord and AOA GEOMARINE OPERATIONS, LLC, as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Guaranty,
                  dated August 21, 2006 by WESTERNGECO L.L.C., as
                  guarantor

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment to Lease Agreement, dated November 10, 2006 between TRANSCO
                  TOWER LIMITED, as landlord and AOA GEOMARINE OPERATIONS, LLC, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Subordination,
                  Non-Disturbance and Attornment Agreement, dated October 23, 2006
                  between
                  POA HOLDINGS, LLC, as mortgagee, TRANSCO TOWER LIMITED, as landlord
                  and
                  AOA GEOMARINE OPERATIONS, LLC, as
                  tenant.

              

      

       

      Westmoreland
        Hall, P.C.

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of May 31, 2004, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and WESTMORELAND HALL, P.C., as
                  tenant.

              

      

       

      

       

      
        	
                ·  

              	
                Sublease
                  Agreement, dated as of May 31, 2004, between WESTMORELAND HALL,
                  P.C., as
                  sublessor, and CONSERVATION CAPITAL, LLC, as
                  sublessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Landlord
                  Consent to Sublease, dated as of May 31, 2004, among TRANSCO TOWER
                  LIMITED, as landlord, WESTMORELAND HALL, P.C., as tenant and CONSERVATION
                  CAPITAL, LLC as sublessee.

              

      

       

       

      

       

      
        	
                ·  

              	
                Temporary
                  Storage Agreement, dated as of June 9, 2005, between TRANSCO TOWER
                  LIMITED, as landlord, and WESTMORELAND HALL, P.C., as
                  tenant.

              

      

       

      Williams
        Field Services Company

       

      
        	
                ·  

              	
                Lease
                  Agreement, dated as of June 30, 2004, between TRANSCO TOWER LIMITED,
                  as
                  landlord, and WILLIAMS FIELD SERVICES COMPANY, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                First
                  Amendment of Lease, dated as of August 16, 2004, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and WILLIAMS FIELD SERVICES COMPANY, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Second
                  Amendment of Lease, dated as of April 11, 2005, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and WILLIAMS FIELD SERVICES COMPANY, as
                  tenant.

              

      

       

       

      

       

      
        	
                ·  

              	
                Third
                  Amendment of Lease, dated as of December 2, 2005, between TRANSCO
                  TOWER
                  LIMITED, as landlord, and WILLIAMS FIELD SERVICES COMPANY, as
                  tenant.

              

      

       

      Yipes
        Enterprise Services, Inc.

       

      
        	
                ·  

              	
                Telecommunications
                  License Agreement, dated as of December 28, 2005, between TRANSCO
                  TOWER
                  LIMITED, as licensor, and YIPES ENTERPRISES SERVICES, INC., as
                  licensee.

              

      

       

      
        
                

                    
      
      

                    Exh.
              E-1 -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        E-2

       

      BROKERAGE
        AGREEMENTS

       

      BROKERAGE
        AGREEMENTS (including Outstanding Brokerage
        Commissions)

       

      
        	
                ·  

              	
                Registration
                  Letter and Agreement, dated as of November 16, 2006, between Transco
                  Tower
                  Limited, as landlord, and Trammell Crow Houston, Ltd., as agent
                  (regarding
                  the lease with BNP Petroleum Corporation, as tenant, concerning
                  a portion
                  of the 52nd
                  and 53rd
                  floors).

              

      

       

      

       

      
        	
                ·  

              	
                Management
                  Agreement, dated as of May 15, 1995, between Transco Tower Limited,
                  as
                  owner , and Hines Interests Limited Partnership, as Manager, as
                  amended by
                  that certain First Amendment to Management Agreement, dated as
                  of August
                  24th,
                  2005, between Transco Tower Limited, as owner and Hines Interests
                  Limited
                  Partnership, as Manager (regarding lease commissions for multiple
                  leases).

              

      

       

      

       

      
        	
                ·  

              	
                Registration
                  Letter and Agreement, dated March 14, 2008, between Transco Tower
                  Limited,
                  as landlord, and CB Richard Ellis, Inc., as Agent (regarding the
                  lease
                  with Arch Insurance Company, as
                  tenant).

              

      

       

      

       

      Outstanding
        Brokerage Commissions

       

      
        	
                Tenant

              	
                Outstanding
                  Brokerage Commission

              
	
                Arch
                  Insurance Company

              	
                $30,008.39

              
	
                BNP
                  Petroleum Corporation

              	
                $11,722.35

              
	
                Marubeni
                  America Corporation

              	
                $12,690.81

              

      

      

       

      
        
                

                    
      
      

                    
      
      

                    Exh. E-2
              -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        E-3

       

      IMPROVEMENT
        OBLIGATION AND ALLOWANCES

       

      

       

      
        	
                Tenant

              	
                Outstanding
                  Tenant Improvement Obligation

              
	
                Arch
                  Insurance (1st Renewal)

              	
                $44,208.00

              
	
                BNP
                  Petroleum Corporation

              	
                $64,280.00

              
	
                CB
                  Richard Ellis Services, Inc. (accrued lease incentive
                  extra)

              	
                $233,280.96

              
	
                CB
                  Richard Ellis First Amendment

              	
                $395,472.36

              
	
                Hines
                  Interests Limited Partnership

              	
                $222,426.00

              
	
                Hines
                  5th Amendment

              	
                $573,289.00

              
	
                Kentan
                  Corporation

              	
                $500.00

              
	
                Knoll,
                  Inc. (successor in interest by merger to Knoll North America,
                  Inc.)

              	
                $21,027.87

              
	
                Landco
                  Development, LLC

              	
                $3,159.35

              
	
                Royal
                  Bank of Canada

              	
                $69,201.49

              
	
                Teikoko
                  Oil (U.S.A.) Co., Ltd

              	
                $42,734.97

              
	
                Van
                  Kampen Investments, Inc.

              	
                $459,031.54

              

      

      

       

      

       

      
        
                

                    
      
      

                    
      
      

                    Exh.
              E-3 -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        F

       

      SECURITY
        DEPOSITS

       

      Letters
        of Credit

       

      
        	
                Tenant

              	
                Letter
                  of Credit Amount

                 

              
	
                Axia
                  Partners, LP

              	
                $
                  155,000.00

              
	
                BKD,
                  LLP

              	
                $
                  500,000.00

              
	
                EDI
                  Architecture, Inc.

              	
                $
                  175,000.00

              
	
                Entelligence,
                  LLC

              	
                $
                  100,000.00

              
	
                Landco
                  Development, LLC

              	
                $
                  75,000.00

              
	
                NextiraOne,
                  LLC

              	
                $
                  1,225,000.00

              

      

      

       

      Cash
        Security Deposits

       

      
        	
                Tenant

                 

              	
                Initial
                  Security Deposit

              	
                Account
                  Balance

              
	
                BNP
                  Petroleum Corporation

              	
                $
                  3,300.00

              	
                $
                  3,300.00

              
	
                Cogent
                  Communications, Inc.

              	
                $
                  3,000.00

              	
                $
                  3,000.00

              
	
                Freebird
                  Partners, LP

              	
                $
                  6,000.00

              	
                $
                  6,000.00

              
	
                Murphy's
                  Deli Franchising, Inc.

              	
                $
                  6,535.00

              	
                $
                  6,535.00

              
	
                Madrid,
                  Martinez & Associates, LLP

              	
                $
                  3,500.00

              	
                $
                  3,500.00

              
	
                Virtus
                  Group, L.P.

              	
                $
                  86,000.00

              	
                $
                  86,000.00

              

      

      

       

      
        
                

                    Exh. F
              -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        G

       

      SERVICE
        CONTRACTS

       

      
        	
                ·  

              	
                Rooftop
                  Technical Services and Management Agreement, dated as of as of
                  June 8,
                  1999, by and between Transco Tower Limited, as owner, and Hickox
                  Communications, as servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of as of October 1, 2005, by and between
                  Transco Tower Limited, as owner, and CorporateCare Interior Asset
                  Maintenance, as servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Cleaning
                  Contract, dated as of as of July 1, 2007, by and between Transco
                  Tower
                  Limited, as owner, and OneSource Facility Services, Inc., as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Agreement
                  for the Supply of Electricity, dated as of as of March, 2007, by
                  and
                  between "Buyers" (Hines Louisiana Walker One, LP, Hines Louisiana
                  Walker
                  One, LP (Two), Hines VAF 700 Louisiana L.P., NOP 910 Travis LP,
                  Relfpark
                  Corporation, Transco Tower Limited, as owner, and Wild Well Control,
                  Inc.)
                  and TXU Energy Retail Company LP, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of as of January 1, 2000, by and between
                  Transco Tower Limited, as owner, and Kastle Systems of Texas, Inc.,
                  as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of August 1, 2005, by and between Transco
                  Tower Limited, as owner, and Kings III of America, Inc. N.A., as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Elevator
                  Maintenance Contract Agreement, dated as of July 1, 2007, by and
                  between
                  Transco Tower Limited, as owner, and Schindler Elevator Corporation,
                  as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of May 1, 2006, by and between Transco
                  Tower
                  Limited, as owner, and Siemens Building Technologies, Inc., as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of August 1, 2005, by and between Transco
                  Tower Limited, as owner, and The Spencer Company of Texas, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of January 1, 2004, by and between
                  Transco
                  Tower Limited, as owner, and Initial Tropical Plants, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of February 1, 2006, by and between
                  Transco
                  Tower Limited, as owner, and Siemens Building Technologies, Inc.,
                  as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of February 1, 2006, by and between
                  Transco
                  Tower Limited, as owner, and Sally Sprout Gallery, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of January 1, 2005, by and between
                  Transco
                  Tower Limited, as owner, and The Lee Quigley Company, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of January 1, 2003, by and between
                  Transco
                  Tower Limited, as owner, and Environmental Coalition Incorporated
                  (ECI),
                  as servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of February 23, 2006, by and between
                  Transco
                  Tower Limited, as owner, and Abitibi Consolidated, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of January 1, 2004, by and between
                  Transco
                  Tower Limited, as owner, and Andrews International f/k/a/ Setec,
                  as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of January 1, 2003, by and between
                  Transco
                  Tower Limited, as owner, and Allied Waste f/k/a/ BFI Waste Services
                  of
                  Texas, as servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of October 1, 1996, by and between
                  Transco
                  Tower Limited, as owner, and JOBS Building Services, Inc., as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of January 1, 2005, by and between
                  Transco
                  Tower Limited, as owner, and The Davey Tree Expert Company, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of April 7, 2006, by and between Transco
                  Tower
                  Limited, as owner, and JT Packard & Associates, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of September 1, 2005, by and between
                  Transco
                  Tower Limited, as owner, and The Spencer Company of Texas, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of November 1, 2006, by and between
                  Transco
                  Tower Limited, as owner, and Austin Equipment, as
                  servicer.

              

      

       

      

       

      
        	
                ·  

              	
                Building
                  Services Contract, dated as of July 16, 2007, by and between Transco
                  Tower
                  Limited, as owner, and Carbutler, as
                  servicer.

              

      

       

      

       

      
        
                

                    Exh.
              G -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        H

       

      LICENSES
        AND PERMITS

       

      
        	
                Issuer

              	
                License/Permit

              	
                License/Permit
                  Number

              
	 	 	 
	
                City
                  of Houston Public Works and Engineering Department

              	
                Skybridge
                  Permit

              	
                51510844
                  F1

              
	
                City
                  of Houston Fire Department

              	
                Alarm

              	
                HFD06005890

              
	
                City
                  of Houston Code Enforcement Group

              	
                Boiler

              	
                440-10874-GB

              
	
                City
                  of Houston Public Works & Engineering Department

              	
                Elevator/Escalator

              	
                49010864-GL

              
	
                City
                  of Houston Permit Office – Fire Section

              	
                Fire
                  Prevention Permit -Key/Fire Depository Box

              	
                05135289/4009243k1

              
	
                City
                  of Houston – Houston Fire Department Permit Section

              	
                Fire
                  Prevention Permit – FC STRG & USE

              	
                05135289/3725072-f7

              
	
                City
                  of Houston Public Works and Engineering Department – Helicopter Facilities
                  Section

              	
                Helistop
                  Permit

              	
                45010037-GH

              
	
                Federal
                  Communications Commission – Wireless Telecommunications
                  Bureau

              	
                Radio
                  Station Authorization

              	
                0001145778

              
	
                City
                  of Houston

              	
                Sign
                  Operating Permit

              	
                16341/00001099

              
	
                City
                  of Houston – Police Department

              	
                Traffic
                  Control Personnel Permit

              	
                TC-562

              
	
                City
                  of Houston

              	
                Business
                  Burglary Alarm Permit

              	
                06021102

              
	
                City
                  of Houston

              	
                Certificate
                  of Occupancy - Garage

              	
                Building
                  Permit #: 800702, 748005

              
	
                City
                  of Houston

              	
                Certificate
                  of Occupancy – Williams Tower

              	 
	
                City
                  of Houston

              	
                Certificate
                  of Compliance – Waiting Area * 10th
                  Floor

              	
                8408165

              
	
                City
                  of Houston

              	
                Certificate
                  of Compliance – Office Building, Tower Only

              	
                8408468

                 

                 

              
	
                City
                  of Houston

              	
                Certificate
                  of Compliance – Water Wall Structure

              	
                8408177

              

      

      
        
                

                    NYDOCS03/857328.3      
      

                    Exh.
              H -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        I

       

      VIOLATIONS

       

      None

       

      

      
        
                

                    Exh. I
              -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        J-1

       

      2800  POST
        OAK BOULEVARD

       

      FORM
        OF TENANT'S ESTOPPEL CERTIFICATE

       

      
        	
                [NOTE:

              	
                THIS
                  FORM TO BE REVISED TO CONFORM TO THE ESTOPPEL PROVISIONS CONTAINED
                  IN THE
                  APPLICABLE LEASE]

              

      

      

      To:           TRANSCO
        TOWER LIMITED ("Landlord")

      
        	
                 

              	
                c/o
                  Fosterlane Management Corporation

              

      

      
        	
                 

              	
                400
                  Northcreek, Suite 700

              

      

      
        	
                 

              	
                3715
                  Northside Parkway

              

      

      Atlanta,
        Georgia  30327

      

       

       ("Purchaser")

       

      

       

      

       

      The
        undersigned as Tenant under that certain Office Lease (the "Lease") made
        and
        entered into as of ________________, ____ and between TRANSCO TOWER LIMITED,
        a
        Texas limited partnership, as Landlord, and the undersigned as Tenant, for
        Premises (as such term is defined in the Lease) certifies as
        follows:

       

      1.  Attached
        hereto as Exhibit A is a true and correct copy of the Lease and all amendments
        and modifications thereto.  The documents contained in Exhibit A
        represent the entire agreement between the parties as to the
        Premises.

       

      2.  The
        Lease
        is in full force and effect and has not been modified, supplemented or amended
        in any way except as provided in Exhibit A attached hereto and made a part
        hereof.  The Commencement Date of the Lease occurred on _____________,
        and the Expiration Date of the Lease will occur on
        ________________.

       

      3.  Tenant
        has not transferred, assigned, or sublet any portion of the Premises nor
        entered
        into any license or concession agreements with respect thereto except as
        set
        forth with specificity in Exhibit B attached hereto and made a part hereof
        and
        no person other than Tenant and permitted subtenants and other permitted
        occupants.

       

      4.  Tenant
        has not modified the documents contained in Exhibit A or prepaid any amounts
        owing under the Lease to Landlord in excess of thirty (30) days without the
        prior written consent of the Landlord's mortgagee.

       

      5.  To
        the
        best of Tenant's knowledge, all conditions of the Lease to be performed by
        Landlord necessary to enforceability of the Lease have been satisfied and
        Landlord is not in default thereunder, and no event has occurred and no
        circumstance exists which, with the passage of time or the giving of notice
        by
        Tenant, or both, would constitute such a default.

       

      6.  No
        security has been deposited with Landlord except for the security deposit
        delivered to Landlord [in the form of letter of credit] in the amount of
        $_______.

       

      7.  To
        the
        best of Tenant's knowledge, as of the date hereof, there are no existing
        defenses or offsets that the undersigned has against Landlord.

       

      8.  All
        monthly installments of Base Rent, all Additional Rent and all monthly
        installments of estimated Additional Rent have been paid when due through
        _________________.  The current monthly installment of Base Rent is
        $__________.

       

      9.  Tenant
        has no option or right of first refusal or offer to purchase the Premises,
        any
        other portion of the Building or any interest therein.

       

      10.  All
        improvements, alterations, or additions to the Premises required to be made
        by
        Landlord pursuant to the Lease have been made by Landlord in accordance with
        the
        Lease.  All contributions required to be made by Landlord for
        improvements to the Premises, including abatements, allowances or credits
        or
        offsets, if any, against rent or other charges due under the Lease, have
        been
        paid in full to Tenant.

       

      11.  The
        undersigned acknowledges that this Estoppel Certificate may be delivered
        to
        Landlord's prospective mortgagee, or a prospective purchaser or such purchaser's
        prospective mortgagee, and acknowledges that it recognizes that if same is
        done,
        said mortgagee, prospective mortgagee, or prospective purchaser will be relying
        upon the statements contained herein in making the loan or acquiring the
        property of which the Premises are a part, and in accepting an assignment
        of the
        Lease as collateral security, and that receipt by it of this certificate
        is a
        condition of making of the loan and/or acquisition of such
        property.

       

      Executed
        at _____________ on the ____ day of ___________, 2008.

       

      "Tenant"

      

      

      

      a                                                                

      

      By:           

      Name:                      

      Its:           

      

      By:           

      Name:                      

      Its:           

      
        
                

                    NYDOCS03/857328.3      
      

                    Exh.
              J-1 -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        J-2

       

      FORM
        OF SELLER'S ESTOPPEL CERTIFICATE

       

      TO:           Purchaser                                           

       

      

       

      

       

      

       

      

       

      RE:           Lease
        dated:__________

       

      Landlord:____________________________

       

      Tenant:______________________________

       

      Demised
        Premises:                                                                                                                     

       

      Current
        Base
        Rental:                                                                                                                     

       

      The
        undersigned ("Seller")
        hereby certifies as of the date hereof, the following:

       

      (a)  Attached
        hereto is a true, correct and complete copy of the above-described Lease
        along
        with all amendments and modifications thereto (the "Lease").

       

      (b)  The
        Lease
        is in full force and effect and has not been amended, modified, supplemented
        or
        superseded except as follows:

       

      ____________________________________________________________________________________________________________________________________

       

      (c)  Rent
        has
        been paid to ______________________________.  There is no prepaid
        rent, except _________________.  The amount of security deposit is
        $________________.

       

      (d)  The
        current rent is $ ___________ per month which does (not) include the Tenant's
        share of operating expenses.  The Tenant is currently in occupancy of
        the Premises.

       

      (e)  Tenant
        has no option or right of first refusal to purchase the Premises or building
        of
        which it is a part.

       

      (f)  All
        work
        to be performed for Tenant under the Lease has been performed as required
        under
        the Lease; and Tenant does not have any unused improvement
        allowance.

       

      (g)  Landlord
        is not in default under any of the provisions of the Lease pertaining to
        Landlord, and no event has occurred and no circumstances exist which, with
        the
        passage of time or the giving of notice by Tenant, or both, would constitute
        such a default.

       

      (h)  The
        Lease
        is the only lease, agreement or understanding between Landlord and Tenant
        affecting the Premises.

       

      (i)  This
        letter is given by Seller to __________________ ("Purchaser") in
        connection with the sale of the property known as 2800 Post Oak Boulevard,
        Houston, Texas and 3009 South Post Oak Boulevard, Houston, Texas pursuant
        to
        that certain Contract of Sale, dated as of ___________  __, 2008, by
        and between Purchaser and Seller (the "Sale Agreement"; capitalized terms
        used but not otherwise defined herein shall be defined as provided in the
        Sale
        Agreement) and is intended solely for the benefit of Purchaser and any lender
        providing financing with respect to the acquisition of the Property by Purchaser
        and no other person or entity may rely on any matter set forth
        herein.

       

      Seller
        shall only be liable hereunder for a breach of a representation and warranty
        made herein with respect to which a claim is made against Seller on or before
        the day that is three (3) months after the date hereof; provided,
however, that if Seller obtains a Tenant Estoppel Certificate from
        the
        Tenant identified hereinabove after the date hereof that complies with the
        terms
        of Section 7.03(q) of the Sale Agreement, this letter shall be
        without further force or effect as of the date of delivery such Tenant Estoppel
        Certificate, except to the extent that such Tenant Estoppel Certificate shall
        contain  a material and adverse change from the form provided to
        Tenant or required to be delivered by Tenant under the Lease.

       

      The
        maximum aggregate liability of Seller for Seller's breaches of representations
        and warranties contained herein shall be limited as set forth in
Section 13.01(c) of the Sale Agreement, and any claim for breach of
        representations and warranties contained herein shall be subject to
Section 4.03 of the Sale Agreement.

       

      Dated
        as
        of this ____ day of __________, 2008.

       

      

      

      

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

      

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      
        	
                 

              	
                By:

              	 

      

      
        	
                 

              	
                Name:

              

      

      
        	
                 

              	
                Title:

              

      

      

      
        	
                 

              	
                By:

              	 

      

      
        	
                 

              	
                Name:

              

      

      
        	
                 

              	
                Title:

              

      

      
        
                

                    Exh.
              J-2 -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        J-3

       

      Form
        of Skybridge Estoppel
        Certificate

      

       

      

      To:           TRANSCO
        TOWER LIMITED ("Owner")

      
        	
                 

              	
                c/o
                  Fosterlane Management Corporation

              

      

      
        	
                 

              	
                400
                  Northcreek, Suite 700

              

      

      
        	
                 

              	
                3715
                  Northside Parkway

              

      

      Atlanta,
        Georgia  30327

      

       ("Purchaser")

       

      

       

      

       

      

       

      
        	
                Re:

              	
                Skybridge
                  Agreement dated September 22, 1981, between Tower Limited, Galleria
                  Limited and Post/Alabama Partnership, filed for record in the office
                  of
                  the County Clerk of Harris County, Texas, under County Clerk's
                  File No.
                  H211093 (as amended and assigned, the "Skybridge
                  Agreement")

              

      

       

      The
        undersigned certifies as
        follows:

       

      1.           The
        Skybridge Agreement is in full force and effect.

       

      2.           To
        the best of the undersigned's knowledge, all conditions of the Skybridge
        Agreement to be performed by Owner necessary to enforceability of the Skybridge
        Agreement have been satisfied and the Owner is not in default thereunder,
        and no
        event has occurred and no circumstance exists which, with the passage of
        time or
        the giving of notice by the undersigned, or both, would constitute such a
        default.  The undersigned is not in default under the Skybridge
        Agreement, and no event has occurred and no circumstance exists which, with
        the
        passage of time or the giving of notice by Owner, or both, would constitute
        such
        a default.

       

      3.           To
        the best of the undersigned's knowledge, as of the date hereof, there are
        no
        existing defenses or offsets that the undersigned has against
        Owner.

       

      4.           The
        undersigned acknowledges that this Estoppel Certificate may be delivered
        to
        Owner's prospective mortgagee, or a prospective purchaser or such purchaser's
        prospective mortgagee, and acknowledges that it recognizes that if same is
        done,
        said mortgagee, prospective mortgagee, or prospective purchaser will be relying
        upon the statements contained herein in making the loan or acquiring property
        which is subject to the Skybridge Agreement, and in accepting an assignment
        of
        the Skybridge Agreement as collateral security, and that receipt by it of
        this
        certificate is a condition of making of the loan and/or acquisition of such
        property.

       

      Executed
        at _____________ on the ____ day of ___________, 2008.

       

      

      

      a                                                                

      

      By:           

      Name:                      

      Its:           

      

      
        
                

                    Exh.
              J-3 -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        K

       

      Special
        Warranty
        Deed

      

      

      Date:                      ______________________,
        2008

      

      
        	
                 

              	
                Grantor:
                  TRANSCO TOWER LIMITED, a Texas limited
                  partnership

              

      

      

      

      Grantor's
        Mailing Address: c/o Fosterlane Management Corporation, 400 Northcreek,
        Suite 700, 3715 Northside Parkway, Atlanta Georgia 30327

      

      

      Grantee:

      

      

      Grantee's
        Mailing Address:  2800 Post Oak Boulevard, Suite 5000,
        Williams Tower, Houston, Texas 77056

      

      

      Consideration:
        Ten Dollars and other valuable consideration paid by the Grantee

      

      

      Property
        (including any improvements): (i) all that certain 6.6991-acre tract of
        land in Houston, Harris County, Texas (the "6.6991-Acre Tract"), more
        particularly described as Tract I in Schedule A attached hereto and made
        a part hereof, together with all right, title and interest of Grantor, as
        owner
        of the 6.6991-Acre Tract, in, to and under the easements appurtenant to Tract
        I,
        more particularly identified as items 1, 2 and 3 in Schedule A attached
        hereto and made a part hereof; and (ii) an undivided 47.78% interest in that
        certain 2.7786-acre tract of land in Houston, Harris County, Texas (the
        "2.7786-Acre Tract"), more particularly described as Tract II in Schedule
        A attached hereto and made a part hereof, together with all right, title
        and
        interest of Grantor, as owner of the 2.7786 Acre Tract, in, to and under
        the
        easement appurtenant to Tract II, more particularly identified in Schedule
        A attached hereto and made a part hereof.

      

      Reservations
        from Conveyance: None.

      

      

      Exceptions
        to Conveyance:

      

      Liens
        described as part of the Consideration and all exceptions listed on Schedule
        B attached hereto to the extent that they are effective and apply
        to the
        Property (the "Permitted Exceptions"), and taxes for 2008 (the
        "Taxes").  Grantee assumes and agrees to pay the Taxes.

       

      Grantor,
        for the Consideration and
        subject to the Permitted Exceptions, grants, sells, and conveys to Grantee
        the
        Property, together with all and singular the rights and appurtenances thereto
        in
        any way belonging, TO HAVE AND TO HOLD the Property, subject to the Permitted
        Exceptions, unto Grantee, its successors and assigns forever; and Grantor
        does
        hereby bind itself and its successors and assigns to WARRANT
        AND  DEFEND  all and singular the Property unto Grantee, its
        successors and assigns, against every person whomsoever lawfully claiming
        or to
        claim the same, or any part thereof, by, through or under Grantor, but not
        otherwise.

      

      When
        the context requires, singular
        nouns and pronouns include the plural.

                                                                            TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

      

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      
        	
                 

              	
                By:

              	 

      

      
        	
                 

              	
                Name:

              

      

      
        	
                 

              	
                Title:

              

      

      

      
        	
                 

              	
                By:

              	 

      

      
        	
                 

              	
                Name:

              

      

      
        	
                 

              	
                Title:

              

      

      

      

      STATE
        OF
        _____________                                                                       )

      )  ss.

      COUNTY
        OF
        ___________                                                                       )

      

      On
        _______, 2008, before me, _______________ a Notary Public in and for said
        County
        and State, personally appeared _________________ and _______________, personally
        known to me (or proved to me on the basis of satisfactory evidence) to be
        the
        persons whose names are subscribed to the within instrument and acknowledged
        to
        me that they executed the same in their authorized capacities, and that by
        their
        signatures on the instrument the persons, or the entity upon behalf of which
        the
        persons acted, executed the instrument.

       

      

       

      WITNESS
        my hand and official seal.

       

      Signature                                                                           (Seal)

       

      

      

      

      

      

      PREPARED
        IN THE OFFICE OF:

      Shearman
        & Sterling LLP

      599
        Lexington Avenue

      New
        York,
        New York 10022

      

      AFTER
        RECORDING RETURN TO:

      
        
                

                    Exh.
              K –
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Schedule
        A

       

      Legal
        Description

       

      
        	
                 

              	
                Commonly
                  referred to as: 2800  Post Oak Boulevard, Houston,
                  Texas

              

      

       

      

      Tract
        I:  (Williams Tower)

       

      FIELDNOTE
        DESCRIPTION of a tract or parcel of land containing 6.6991 acres situated
        in the
        William White 1/3 League, Abstract No. 836 in Harris County,
        Texas.  Said 6.6991 acre tract being more particularly described by
        metes and bounds as follows:

       

      COMMENCING
        at the point of intersection of the extended Southerly right-of-way line
        West
        Alabama (60-foot wide right-of-way) with the extended Westerly right-of-way
        line
        of South Post Oak Road (100-foot wide right-of-way);

       

      THENCE,
        South 02 ̊ 41' 32" East, along the extended Westerly right-of-way line of South
        Post Oak Road, for a distance of 10.00 feet to a 5/8-inch iron rod found
        for
        corner at the POINT OF BEGINNING of the herein described 6.6991 acre
        tract;

       

      THENCE,
        South 02 ̊ 41' 32" East, along the Westerly right-of-way line of South Post Oak
        Road, for a distance of 449.18 feet to a 5/8-inch iron rod set for
        corner;

       

      THENCE,
        South 87 ̊ 18' 28" West, leaving the Westerly right-of-way line of South Post Oak
        Road, for a distance of 534.63 feet to the point of curvature of a curve
        to the
        right;

       

      THENCE,
        along said curve to the right, having a central angle of 15 ̊ 26' 38", a radius
        of 166.17 feet, an arc length of 44.79 feet, a chord bears North 84 ̊ 58' 13"
        West, 44.66 feet to a nail and cap set at the point of reverse curvature
        of a
        curve to the left;

       

      THENCE,
        along said curve to the left, having a central angle of 15 ̊ 26' 38", a radius of
        166.17 feet, an arc length of 44.79 feet, a chord bears North 84 ̊ 58' 13" West,
        44.66 feet to a nail and cap set at the point of tangency of said curve to
        the
        left;

       

      THENCE,
        South 87 ̊ 18' 28' West, for a distance of 4.50 feet to a nail and cap set for
        corner;

       

      THENCE,
        North 02 ̊ 41' 32" West, for a distance of 456.30 feet to a "x" cut in concrete
        set for corner in the Southerly right-of-way line of West Alabama, said "x"
        cut
        in concrete also being in a curve to the left;

       

      THENCE,
        along the Southerly right-of-way line of West Alabama and said curve to the
        left, having a central angle of 00 ̊ 40' 10", a radius of 1,774.94 feet, an arc
        length of 20.74 feet, a chord bears North 87 ̊ 55' 40" East, 20.74 feet to a
        5/8-inch iron rod found at the point of tangency of said curve to the
        left;

       

      THENCE,
        North 87 ̊ 35' 35", continuing along the Southerly right-of-way line of West
        Alabama, for a distance of 468.96 feet to a cross cut in concrete found at
        the
        point of curvature of a curve to the right;

       

      THENCE,
        continuing along the Southerly right-of-way line of West Alabama and said
        curve
        to the right having a central angle of 04 ̊ 56' 20", a radius of 770.00 feet, an
        arc length of 66.37 feet, a chord bears South 89 ̊ 56' 15" East, 66.35 feet to a
        cross cut in concrete found for corner at the point of reverse curvature
        of a
        curve to the left;

       

      THENCE,
        continuing along the Southerly right-of-way line of West Alabama and said
        curve
        to the left having a central angle of 04 ̊ 15' 43" a radius of 830.00 feet, an
        arc length of 61.75 feet, a chord bears South 89 ̊ 35' 57" East 61.73 feet to a
        5/8-inch iron rod found for corner;

       

      THENCE,
        South 47 ̊ 36' 05" East, leaving the Southerly right-of-way line of West Alabama,
        for a distance of 14.18 feet to the POINT OF BEGINNING, CONTAINING within
        these
        metes and bounds 6.6991 acres (291,813 square feet) of land area.

       

      NOTE:
        All
        bearings contained herein are based on the Texas Lambert Grid Coordinate
        System,
        South Central Zone.

       

      TOGETHER
        WITH the following easements appurtenant to Tract I:

       

      1.  Easement
        created by that certain instrument titled Skybridge Agreement dated September
        22, 1981, between Tower Limited, Galleria Limited and Post Oak/Alabama
        Partnership, filed in the Office of the County Clerk of Harris County, Texas,
        under Clerk's File No. H-211093;

       

      2.  Easement
        created by that certain instrument titled Driveway Easement Agreement dated
        September 22, 1981, between Post Oak Associates III, Limited and Post
        Oak/Alabama Partnership, filed in the Office of the County Clerk of Harris
        County, Texas, under Clerk's File No. H-211092; and

       

      3.  Easement
        created by that certain instrument titled Park Agreement dated September
        22,
        1981, between Post Oak Associates III, Limited and Post Oak/Alabama Partnership,
        filed in the Office of the County Clerk of Harris County, Texas, under Clerk's
        File No. H-211091.

       

      

       

      Tract
        II:  (The Park)

       

      FIELDNOTE
        DESCRIPTION of a tract or parcel of land containing 2.7786 acres of land
        situated in the William White 1/3 League, Abstract No. 836, Harris County,
        Texas.  Said 2.7786 acres being more particularly described by metes
        and bounds as follows:

       

      COMMENCING
        at the point of intersection of the extended Southerly right-of-way line
        of West
        Alabama (60-foot wide right-of-way) with the extended Westerly right-of-way
        line
        of South Post Oak Road (100-foot right of way);

       

      THENCE,
        South 02 ̊ 41' 32" East, along said extended Westerly right-of-way line of South
        Post Oak Road at 10.00 feet passing a 5/8-inch iron rod found and continuing
        along said Westerly Right-of-way line, for a total distance of 459.18 feet
        to a
        5/8" I.R. set at the POINT OF BEGINNING of the herein described 2.7786
        acres;

       

      THENCE,
        South 02 ̊ 41' 32" East, continuing along the Westerly right-of-way line of South
        Post Oak Road, for a distance of 200.88 feet to a 5/8-inch iron rod set for
        corner;

       

      THENCE,
        South 03o 07' 22" West, continuing along the Westerly right-of-way line of South
        Post Oak Road, for a distance of 95.64 feet (called 100.50') to a 5/8-inch
        iron
        rod set for corner;

       

      THENCE,
        South 02o 35' 16" East, continuing along the Westerly right-of-way line of South
        Post Oak Road, for a distance of 100.00 feet to a 5/8-inch iron rod set at
        the
        point of curvature of a curve to the right;

       

      THENCE,
        leaving the Westerly right-of-way line of South Post Oak Road and along said
        curve to the right having a central angle of 93° 27' 13",
        a radius
        of 40.00 feet, an arc length of 65.24 feet, a chord bears South 44° 08' 20"
        West, 58.25
        feet to a 5/8 inch iron rod set at the point of compound curvature of a curve
        to
        the right, said point also being in the Northerly right-of-way line of Hidalgo
        Street; (60-foot right-of-way);

       

      THENCE,
        along the Northerly right-of-way line of Hidalgo Street and said curve to
        the
        right having a central angle of 04° 25' 56",
        a radius
        of 870.00 feet an arc length of 67.30 feet, a chord bears North 86° 55' 05"
        West, 67.28
        feet to a cut "x" in conc. set at the point of tangency of said curve to
        the
        right;

       

      THENCE,
        North 84° 42'
        07" West continuing along the Northerly right-of-way line of Hidalgo Street,
        for
        a distance of 172.88 feet to a 5/8-inch iron rod set for corner;

       

      THENCE,
        North 02° 41'
        32" West, leaving the Northerly right-of-way line of Hidalgo Street and along
        the common line of the herein described tract and the Easterly line of the
        7.3208 acre tract, for a distance of 405.08 feet to a rail-road spike set
        for
        corner;

       

      THENCE,
        North 87° 18'
        28" East, along the common line of the herein described tract and the Southerly
        line of the 6.6991 acre tract, for a distance of 290.50 feet to the POINT
        OF
        BEGINNING; containing within these metes and bounds 2.7786 acres (121,036
        square
        feet) of land area.

       

      NOTE:
        All
        bearings contained herein are based on the Texas Lambert Grid Coordinate
        System,
        South Central Zone.

       

      TOGETHER
        WITH the following easement appurtenant to Tract II:

       

      Easement
        created by that certain instrument titled Park Agreement dated September
        22,
        1981, between Post Oak Associates III, Limited and Post Oak/Alabama Partnership,
        filed in the Office of the County Clerk of Harris County, Texas, under Clerk's
        File No. H-211091.

       

      
        
                

                    Schedule A
              -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Schedule
        B

      "Permitted
        Exceptions"

      
        
                

                    Schedule
              B -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Special
        Warranty Deed

      

      Date:                      ______________________,
        2008

      

      
        	
                 

              	
                Grantor:
                  TRANSCO TOWER LIMITED, a Texas limited
                  partnership

              

      

      

      

      Grantor's
        Mailing Address: c/o Fosterlane Management Corporation, 400 Northcreek,
        Suite 700, 3715 Northside Parkway, Atlanta Georgia 30327

      

      

      Grantee:

      

      

      Grantee's
        Mailing Address:  2800 Post Oak Boulevard, Suite 5000,
        Williams Tower, Houston, Texas 77056

      

      

      Consideration:
        Ten Dollars and other valuable consideration paid by the Grantee

      

      

      Property
        (including any improvements): all of the real property situated in
        Harris County, Texas, described in Schedule A attached hereto and made a
        part hereof for all purposes, together with any right, title and interest
        of
        Grantor in any and all improvements thereon, and all rights, tenements,
        hereditaments, easements, appendages, ways, privileges and appurtenances
        pertaining thereto, together with any right, title and interest of Grantor
        in
        and to adjacent streets, alleys, rights-of-way, strips or gores.

      

      Reservations
        from Conveyance: None.

      

      

      Exceptions
        to Conveyance:

      

      Liens
        described as part of the Consideration and all exceptions listed on Schedule
        B attached hereto to the extent that they are effective and apply to the
        Property (the "Permitted Exceptions"), and taxes for 2008 (the
        "Taxes").  Grantee assumes and agrees to pay the Taxes.

       

      Grantor,
        for the Consideration and
        subject to the Permitted Exceptions, grants, sells, and conveys to Grantee
        the
        Property, together with all and singular the rights and appurtenances thereto
        in
        any way belonging, TO HAVE AND TO HOLD the Property, subject to the Permitted
        Exceptions, unto Grantee, its successors and assigns forever; and Grantor
        does
        hereby bind itself and its successors and assigns to WARRANT
        AND  DEFEND  all and singular the Property unto Grantee, its
        successors and assigns, against every person whomsoever lawfully claiming
        or to
        claim the same, or any part thereof, by, through or under Grantor, but not
        otherwise .

      

      When
        the context requires, singular
        nouns and pronouns include the plural.

                                                                            TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

      

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      
        	
                 

              	
                By:

              	 

      

      
        	
                 

              	
                Name:

              

      

      
        	
                 

              	
                Title:

              

      

      

      
        	
                 

              	
                By:

              	 

      

      
        	
                 

              	
                Name:

              

      

      
        	
                 

              	
                Title:

              

      

      

      STATE
        OF
        _____________                                                                       )

      )  ss.

      COUNTY
        OF
        ___________                                                                       )

      

      On
        _______, 2008, before me, _______________ a Notary Public in and for said
        County
        and State, personally appeared _________________ and _______________, personally
        known to me (or proved to me on the basis of satisfactory evidence) to be
        the
        persons whose names are subscribed to the within instrument and acknowledged
        to
        me that they executed the same in their authorized capacities, and that by
        their
        signatures on the instrument the persons, or the entity upon behalf of which
        the
        persons acted, executed the instrument.

       

      

       

      WITNESS
        my hand and official seal.

       

      Signature                                                                           (Seal)

       

      

      

      

       

      WITNESS
        my hand and official seal.

       

      Signature                                                                           (Seal)

       

      

      

      

      PREPARED
        IN THE OFFICE OF:

      Shearman
        & Sterling LLP

      599
        Lexington Avenue

      New
        York,
        New York 10022

      

      AFTER
        RECORDING RETURN TO:

      
        
          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Schedule
        A

       

      Legal
        Description

       

      
        	
                 

              	
                Commonly
                  referred to as: 3009 South  Post Oak Boulevard, Houston,
                  Texas

              

      

       

      Description
        of a 2.298 acre (100,081 square feet) tract of land being all of Unrestricted
        Reserve "A" Block One (1) of THREE THOUSAND NINE POST OAK BOULEVARD GARAGE,
        as
        recorded under Film Code Number 563167 of the Map Records of Harris County,
        and
        being all Parcels 3, 4, 5 and 6 and a portion of Parcels 1 and 2 as described
        in
        deed to Hines Group II Limited Partnership and recorded under Harris County
        Clerk's File Number N129530 and a certain 0.0090 acre tract described in
        a deed
        to Hines Group II Limited Partnership and recorded under Harris County Clerk's
        File Number X094975, located in the William White 1.3 League, Abstract No.
        836,
        City of Houston, Harris County, Texas, said 2.298 acre tract of land being
        more
        particularly described as follows (with all bearings referenced to the plat
        of
        said THREE THOUSAND NINE POST OAK BOULEVARD GARAGE);

       

      BEGINNING
        at a 5.8-inch iron rod with cap found at the northwesterly end of a cutback
        line
        at the intersection of the easterly right-of-way line of Post Oak Boulevard
        (a
        100-foot wide right-of-way) with the northerly right-of-way line of Hidalgo
        Street (a 60-foot wide right-of-way) and also being the north corner of that
        called 262.4774 square foot tract of land as described in deed to the City
        of
        Houston and recorded under Harris County Clerk's File Number
        P916320;

       

      THENCE,
        North 02° 43'
        01" West, along the easterly right-of-way line of said Post Oak Boulevard,
        a
        distance of 349.97 feet to a 2-inch iron pipe found at the southwest corner
        of
        that called 1.8892 acre tract of land as described in deed to ARC Post Oak,
        L.P.
        and recorded under Harris County Clerk's File Number U960067, and being the
        northwest corner of the herein described tract;

       

      THENCE,
        North 87° 11'
        14" East, along the southerly line of said ARC Post Oak tract, a distance
        of
        307.19 feet to a point in the existing westerly right-of-way line of Interstate
        Highway 610 (also known as the West Loop South, a 300-foot wide right-of-way)
        for the southeast corner of the said ARC Post Oak tract and the northeast
        corner
        of the herein described tract, from which a found 1-inch iron pipe in concrete
        bears South 74°
        57' West, a distance of 0.48 foot;

       

      THENCE,
        North 09° 22'
        30" East, along the existing westerly right-of-way line of said Interstate
        Highway 610, a distance of 0.89 foot to a point being the northwest corner
        of
        the aforementioned 0.0090 acre tract, and a corner of the herein described
        tract, from which a found 5/8-inch iron rod bears North 60° 37' East,
        a
        distance of 0.53 foot;

       

      THENCE,
        North 86° 58'
        17" East, a distance of 1.02 feet to a point in the proposed westerly
        right-of-way line of said Interstate Highway 610 for the northeast corner
        of the
        herein described tract;

       

      THENCE,
        South 09° 22'
        30" West, along the proposed westerly right-of-way line of said Interstate
        Highway 610, a distance of 349.66 feet to a found 5/8-inch iron rod as the
        beginning of a curve to the right;

       

      THENCE,
        Southwesterly continuing along the proposed westerly right-of-way line of
        said
        Interstate Highway 610 and the arc of said curve to the right having a radius
        of
        57.49 feet, through a central angle of 41° 52' 48",
        (the chord
        bears South 30°
        18' 54" West, a distance of 41.09 feet) an arc distance of 42.02 feet to
        a
        5/8-inch iron rod found at the intersection with the northerly right-of-way
        line
        of said Hidalgo Street for the southeast corner of the herein described
        tract;

       

      THENCE,
        South 87° 16'
        59" West, along the northerly right-of-way line of said Hidalgo Street, a
        distance of 187.76 feet to a 5/8-inch iron rod with cap found at the
        southeasterly end of a cutback line at the intersection with the easterly
        right-of-way line of said Post Oak Boulevard and at the easterly corner of
        the
        said 262.4774 square foot tract;

       

      THENCE,
        North 47° 42'
        36" West, along the said cutback line, a distance of 35.35 feet to the POINT
        OF
        BEGINNING and containing a computed area of 2.298 acres (100,081 square feet)
        of
        land.

       

      

       

      
        
                

                    Schedule
              A -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Schedule
        B

      "Permitted
        Exceptions"

      
        
                

                    Schedule
              B -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        L

       

      BILL
        OF SALE

       

      KNOW
        ALL
        MEN BY THESE PRESENTS, that TRANSCO TOWER LIMITED, a Texas limited partnership
        ("Seller"), for Ten Dollars ($10.00) and other good and valuable
        consideration, the receipt and sufficiency of which are hereby acknowledged,
        paid by _____________________, a _________________ having an address at
        ____________________ ("Purchaser"), has bargained and sold and by these
        presents does grant and convey unto Purchaser, its successors and assigns,
        all
        of Seller's right, title and interest in and to the fixtures, machinery,
        equipment and personal property listed on Schedule 1 attached hereto and
        made a
        part hereof and owned by Seller and attached to and used in the operation
        of
        certain property located at 2800 Post Oak Boulevard and 3009 South Post Oak
        Boulevard, Houston, Texas (all of the foregoing being hereinafter collectively
        referred to as the "Personal Property"), except for all exceptions listed
        on Schedule 2 attached hereto to the extent that they are effective and apply
        to
        the Personal Property (the "Permitted Exceptions").

       

      TO
        HAVE
        AND HOLD the Personal Property, subject to the Permitted Exceptions, unto
        Purchaser, its successors and assigns, forever, "as is", without any
        representation or warranty whatsoever, express or implied, including any
        representation as to merchantability or fitness for a particular purpose,
        except
        as otherwise expressly set forth in that certain Contract of Sale, dated
        as of
        _____________ __, 2008, by and between Seller and Purchaser.

       

      IN
        WITNESS WHEREOF, Seller has duly executed this Bill of Sale as of the ___day
        of
        _________________, 2008.

       

      SELLER:

      

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

       

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      By:           

      Name:

      Title:

       

      By:           

      Name:

      Title:

       

      

      
        
                

                    Exh.
              L -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Schedule
        1

       

      to

       

      Bill
        of Sale

       

      

       

      
        
                

                    Exh.
              L -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Schedule
        2

      to

      Bill
        of Sale

      
        
                

                    Exh.
              L -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        M

       

      ASSIGNMENT
        AND ASSUMPTION OF LEASES AND PROPERTY LICENSES

       

      THIS
        AGREEMENT, made this ___ day of _______________, 2008, by and between TRANSCO
        TOWER LIMITED, a Texas limited partnership ("Assignor"), and
        __________________, a _______________ _______________
        ("Assignee").

       

      WITNESSETH
        :

       

      WHEREAS,
        by Contract of Sale (the "Sale Agreement") dated as of _________ __,
        2008, by and between Assignor and Assignee, Assignee has agreed to purchase
        from
        Assignor on the Closing Date (as defined in the Sale Agreement), and Assignor
        has agreed to sell to Assignee on the Closing Date, certain property located
        at
        2800 Post Oak Boulevard, Houston, Texas and 3009 South Post Oak Boulevard,
        Houston, Texas, and more particularly described in the Sale Agreement;
        and

       

      WHEREAS,
        Assignor desires to assign to Assignee as of the Closing Date Assignor's
        interest in each and all of those certain leases and property licenses set
        forth
        on Schedule 1 annexed hereto (the "Leases and Property Licenses"), and
        Assignee desires to accept such assignment and assume the obligations of
        the
        landlord under the Leases and Property Licenses as of the Closing
        Date;

       

      NOW,
        THEREFORE, in consideration of the premises and the mutual covenants herein
        contained, the parties hereto hereby agree as follows:

       

      1.  Assignor
        hereby assigns, sets over and transfers unto Assignee to have and to hold
        from
        and after the date hereof all of the right, title and interest of Assignor
        in,
        to and under the Leases and Property Licenses, including, without limitation,
        all of the right, title and interest of Assignor in and to any security
        deposits, prepaid rent or other sums held by Assignor as the landlord under
        any
        of the Leases and Property Licenses, and Assignee hereby accepts the within
        assignment and assumes and agrees with Assignor to perform and comply with
        and
        to be bound by all the terms, covenants, agreements, provisions and conditions
        of the Leases and Property Licenses on the part of the landlord thereunder
        to be
        performed on and after the date hereof, in the same manner and with the same
        force and effect as if Assignee had originally executed the Leases and Property
        Licenses as landlord.

       

      2.
        Assignor hereby unconditionally, absolutely and irrevocably agrees to indemnify
        and hold Assignee harmless of, from and against any and all costs, claims,
        obligations, damages, penalties, causes of action, losses, injuries, liabilities
        and expenses, including, without limitation, reasonable attorneys’ fees, arising
        out of, in connection with or accruing under the Leases and Property Licenses
        before the date hereof; provided, however, that (a) Assignor
        shall be liable to Assignee under the indemnification contained in the preceding
        sentence only if Assignee shall have commenced a legal proceeding against
        Assignor prior to the date that is three (3) months after the Closing Date
        alleging a claim for which Assignee is entitled to indemnification under
        the
        preceding sentence and only if Assignee has suffered actual damages as a
        result
        thereof; (b) Assignor shall have no liability under such indemnification to
        the extent the matter underlying Assignee’s claim is addressed in an Estoppel
        Certificate delivered to Assignee at or prior to the Closing Date; and
        (c) the maximum aggregate liability of Assignor under such indemnification
        shall be limited as set forth in Section 13.01(c) of the Sale
        Agreement.

       

      3.  Assignee
        hereby unconditionally, absolutely and irrevocably agrees to indemnify and
        hold
        Assignor harmless of, from and against any and all costs, claims, obligations,
        damages, penalties, causes of action, losses, injuries, liabilities and
        expenses, including, without limitation, reasonable attorneys’ fees, arising out
        of, in connection with or accruing under the Leases and Property Licenses
        on and
        after the date hereof, including, but not limited to, any such liabilities
        or
        expenses arising in connection with any security deposits, prepaid rent or
        other
        sums held by Assignee as the landlord under the Leases and Property
        Licenses.

       

      4.  This
        Agreement shall be binding upon and inure to the benefit of the parties hereto
        and their respective distributees, executors, administrators, heirs, legal
        representatives, successors and assigns.

       

      5.  This
        Agreement may be executed in counterparts, each of which shall be deemed
        an
        original and all of which counterparts taken together shall constitute one
        and
        the same agreement.

       

      [Signature
        Page Follows]

       

      

       

      
        
                

                    Exh.
              M -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      IN
        WITNESS WHEREOF, the parties hereto have duly executed this Agreement as
        of the
        day and year first above written.

       

      ASSIGNOR:

      

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

       

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      By:           

      Name:

      Title:

       

      By:           

      Name:

      Title:

       

      

      

      

      ASSIGNEE:

      

      __________________________________________

      

      

      By:           

      Name:

      Title:

      

      
        
                

                    Exh.
              M -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      

      

      STATE
        OF
        _________________                                                                       )

      )  ss.

      COUNTY
        OF
        ______________                                                                       )

      

      

      On
        _______, 2008, before me, _______________ a Notary Public in and for said
        County
        and State, personally appeared _________________ and _______________, personally
        known to me (or proved to me on the basis of satisfactory evidence) to be
        the
        persons whose names are subscribed to the within instrument and acknowledged
        to
        me that they executed the same in their authorized capacities, and that by
        their
        signatures on the instrument the persons, or the entity upon behalf of which
        the
        persons acted, executed the instrument.

       

      

       

      WITNESS
        my hand and official seal.

       

      Signature                                                                       (Seal)

      

      

      STATE
        OF
        _________________                                                                       )

      )  ss.

      COUNTY
        OF
        ______________                                                                       )

      

      

      On
        _______, 2008, before me, _______________ a Notary Public in and for said
        County
        and State, personally appeared _________________ and _______________, personally
        known to me (or proved to me on the basis of satisfactory evidence) to be
        the
        persons whose names are subscribed to the within instrument and acknowledged
        to
        me that they executed the same in their authorized capacities, and that by
        their
        signatures on the instrument the persons, or the entity upon behalf of which
        the
        persons acted, executed the instrument.

       

      

       

      WITNESS
        my hand and official seal.

       

      Signature                                                                           (Seal)Schedule
        1

       

      to

       

      Assignment
        and Assumption of Leases and Property Licenses

       

      

       

      

       

      

       

      
        
                

                    Exh.
              M -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        N

       

      ASSIGNMENT
        AND ASSUMPTION OF SERVICE CONTRACTS

       

      THIS
        AGREEMENT, made this ___ day of _______________, 2008, by and between
        TRANSCO TOWER LIMITED, a Texas limited partnership ("Assignor"), and
        ___________________, a _________________ _______________
        ("Assignee").

       

      WITNESSETH
        :

       

      WHEREAS,
        by Contract of Sale (the "Sale Agreement"; capitalized terms used but not
        otherwise defined herein shall be defined as provided in the Sale Agreement)
        dated as of ___________ __, 2008, by and between Assignor and Assignee,
        Assignee has agreed to purchase from Assignor on the Closing Date, and Assignor
        has agreed to sell to Assignee on the Closing Date, certain property located
        at
        2800 Post Oak Boulevard, Houston, Texas and 3009 South Post Oak Boulevard,
        Houston, Texas and more particularly described in the Sale Agreement (the
        "Property"); and

       

      WHEREAS,
        Assignor desires to assign to Assignee as of the Closing Date Assignor's
        interest in each and all of those certain service, maintenance, supply and
        management contracts set forth on Schedule 1 annexed hereto (the
        "Service Contracts"), and Assignee desires to accept such assignment and
        assume the obligations of Assignor under the Service Contracts from and after
        the Closing Date;

       

      NOW,
        THEREFORE, in consideration of the premises and the mutual covenants herein
        contained, the parties hereto hereby agree as follows:

       

      1.  Assignor
        hereby assigns, sets over and transfers unto Assignee to have and to hold
        from
        and after the date hereof all of the right, title and interest of Assignor
        in,
        to and under the Service Contracts, and Assignee hereby accepts the within
        assignment and assumes and agrees with Assignor to perform and comply with
        and
        to be bound by all of the terms, covenants, agreements, provisions and
        conditions of the Service Contracts on the part of the Assignor thereunder
        to be
        performed on and after the date hereof, in the same manner and with the same
        force and effect as if Assignee had originally executed the Service
        Contracts.

       

      2.  Assignor
        hereby unconditionally, absolutely and irrevocably agrees to indemnify and
        hold
        Assignee harmless of, from and against any and all costs, claims, obligations,
        damages, penalties, causes of action, losses, injuries, liabilities and
        expenses, including, without limitation, reasonable attorneys’ fees, arising out
        of, in connection with or accruing under the Service Contracts before the
        date
        hereof; provided, however, that (a) Assignor shall be liable to Assignee
        under the indemnification contained in the preceding sentence only if Assignee
        shall have commenced a legal proceeding against Assignor prior to the date
        that
        is three (3) months after the Closing Date alleging a claim for which Assignee
        is entitled to indemnification under the preceding sentence and only if Assignee
        has suffered actual damages as a result thereof; and (b) the maximum
        aggregate liability of Assignor under such indemnification shall be limited
        as
        set forth in Section 13.01(c) of the Sale Agreement.

       

      3.  Assignee
        hereby unconditionally, absolutely and irrevocably agrees to indemnify and
        hold
        Assignor harmless of, from and against any and all costs, claims, obligations,
        damages, penalties, causes of action, losses, injuries, liabilities and
        expenses, including, without limitation,  reasonable attorneys’ fees,
        arising out of, in connection with or accruing under the Service
        Contracts  on and after the date hereof.

       

      4.  This
        Agreement shall not be construed as a representation or warranty by Assignor
        as
        to the transferability of the Service Contracts, and Assignor shall have
        no
        liability to Assignee in the event that any or all of the Services Contracts
        (i) are not transferable to Assignee or (ii) are cancelled or
        terminated by reason of this assignment or any acts of Assignee.

       

      5.  This
        Agreement shall be binding upon and inure to the benefit of the parties hereto
        and their respective distributees, executors, administrators, heirs, legal
        representatives, successors and assigns.

       

      6.  This
        Agreement may be executed in counterparts, each of which shall be deemed
        an
        original and all of which counterparts taken together shall constitute one
        and
        the same agreement.

       

      
        	
                 

              	
                [Signature
                  Page Follows]

              

      

       

      

       

      
        
                

                    Exh.
              N -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      IN
        WITNESS WHEREOF, the parties hereto have duly executed this Agreement as
        of the
        day and year first above written.

       

      ASSIGNOR:

      

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

       

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      By:           

      Name:

      Title:

       

      By:           

      Name:

      Title:

       

      

      ASSIGNEE:

      

      __________________________________________

      

      

      By:           

      Name:

      Title:

      

       

      

       

      
        
                

                    Exh.
              N -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Schedule
        1

      to

      Assignment
        and Assumption of Service Contracts

      

      

       

      
        
                

                    Exh.
              N -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        O

       

      ASSIGNMENT
        AND ASSUMPTION OF LICENSES AND PERMITS

       

      THIS
        AGREEMENT, made this ___ day of _______________, 2008, by and between TRANSCO
        TOWER LIMITED, a Texas limited partnership ("Assignor"), and
        ______________________, a _________________ ______________
        ("Assignee").

       

      WITNESSETH
        :

       

      WHEREAS,
        by Contract of Sale (the "Sale Agreement"; capitalized terms used but not
        otherwise defined herein shall be defined as provided in the Sale Agreement)
        dated as of ______________ __, 2008, by and between Assignor and Assignee,
        Assignee has agreed to purchase from Assignor on the Closing Date, and Assignor
        has agreed to sell to Assignee on the Closing Date, certain property located
        at
        2800 Post Oak Boulevard, Houston, Texas and 3009 South Post Oak Boulevard,
        Houston, Texas, and more particularly described in the Sale Agreement;
        and

       

      WHEREAS,
        Assignor desires to assign and quitclaim to Assignee as of the Closing Date
        Assignor's interest in those certain licenses and permits listed on
        Schedule 1 annexed hereto (the "Licenses and Permits"), and Assignee
        desires to accept such assignment and assume the obligations, if any, of
        the
        holder, under the Licenses and Permits as of the Closing Date;

       

      NOW,
        THEREFORE, in consideration of the premises and the mutual covenants herein
        contained, the parties hereto hereby agree as follows:

       

      1.  Assignor
        does hereby assign and quitclaim unto Assignee to have and to hold from and
        after the date hereof all of the right, title and interest of Assignor, if
        any,
        in, to and under the Licenses and Permits, and Assignee hereby accepts the
        within assignment and assumes the obligations, if any, of the holder under
        the
        Licenses and Permits as of the Closing Date.

       

      2.  This
        Agreement shall not be construed as a representation or warranty by Assignor
        as
        to the transferability of the Licenses and Permits, and Assignor shall have
        no
        liability to Assignee in the event that any or all of the Licenses or Permits
        (i) are not transferable to Assignee or (ii) are cancelled or revoked
        by reason of this Assignment or any acts of Assignee.

       

      3.  This
        Agreement shall be binding upon and inure to the benefit of the parties hereto
        and their respective distributees, executors, administrators, heirs, legal
        representatives, successors and assigns.

       

      4.  This
        Agreement may be executed in counterparts, each of which shall be deemed
        an
        original and all of which counterparts taken together shall constitute one
        and
        the same agreement.

       

      
        
                

                    Exh.
              O -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      IN
        WITNESS WHEREOF, the parties hereto have duly executed this Agreement as
        of the
        day and year first above written.

       

      ASSIGNOR:

      

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

       

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      By:           

      Name:

      Title:

       

      By:           

      Name:

      Title:

       

      

      ASSIGNEE:

      

      __________________________________________

      

      

      By:           

      Name:

      Title:

      

       

      
        
                

                    Exh.
              O -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Schedule
        1

       

      to

       

      Assignment
        and Assumption of Licenses and Permits

       

      
        
                

                    Exh.
              O -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        P

       

      ASSIGNMENT
        OF GUARANTEES AND WARRANTIES

       

      THIS
        AGREEMENT, made this ___ day of _______________, 2008, by and between TRANSCO
        TOWER LIMITED, a Texas limited partnership ("Assignor"), and
        ____________________, a ________________  _____________
        ("Assignee").

       

      WITNESSETH
        :

       

      WHEREAS,
        by Contract of Sale (the "Sale Agreement"; capitalized terms used but not
        otherwise defined herein shall be defined as provided in the Sale Agreement)
        dated as of _____________ __, 2008, by and between Assignor and Assignee,
        Assignee has agreed to purchase from Assignor on the Closing Date, and Assignor
        has agreed to sell to Assignee on the Closing Date, certain property located
        at
        2800 Post Oak Boulevard, Houston, Texas and 3009 South Post Oak Boulevard,
        Houston, Texas, and more particularly described in the Sale Agreement;
        and

       

      WHEREAS,
        Assignor desires to assign and quitclaim to Assignee as of the Closing Date
        Assignor's interest in those certain guaranties and warranties listed on
        Schedule 1 annexed hereto (the "Guarantees and Warranties") and
        Assignee desires to accept such assignment and assume the obligations, if
        any,
        of the holder, under the Guarantees and Warranties as of the Closing
        Date;

       

      NOW,
        THEREFORE, in consideration of the premises and the mutual covenants herein
        contained, the parties hereto hereby agree as follows:

       

      7.  Assignor
        does hereby assign and quitclaim unto Assignee to have and to hold from and
        after the date hereof all of the right, title and interest of Assignor, if
        any,
        in, to and under the Guarantees and Warranties, and Assignee hereby accepts
        the
        within assignment and assumes the obligations, if any, of the holder under
        the
        Guarantees and Warranties as of the Closing Date.

       

      8.  This
        Agreement shall not be construed as a representation or warranty by Assignor
        as
        to the transferability of the Guarantees and Warranties, and Assignor shall
        have
        no liability to Assignee in the event that any or all of the Guarantees or
        Warranties (i) are not transferable to Assignee or (ii) are cancelled
        or revoked by reason of this assignment or any acts of Assignee.

       

      9.  This
        Agreement shall be binding upon and inure to the benefit of the parties hereto
        and their respective distributees, executors, administrators, heirs, legal
        representatives, successors and assigns.

       

      10.  This
        Agreement may be executed in counterparts, each of which shall be deemed
        an
        original and all of which counterparts taken together shall constitute one
        and
        the same agreement.

       

      
        
                

                    Exh.
              P -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      IN
        WITNESS WHEREOF, the parties hereto
        have duly executed this Agreement as of the day and year first above
        written.

       

      ASSIGNOR:

      

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

       

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      By:           

      Name:

      Title:

       

      By:           

      Name:

      Title:

       

      

      

      

      ASSIGNEE:

      

      __________________________________________

      

      

      By:           

      Name:

      Title:

      

       

      
        
                

                    Exh.
              P -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Schedule
        1

       

      to

       

      Assignment
        of Guarantees and Warranties

       

      

       

      
        
                

                    Exh.
              P -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        Q-1

       

      [Date]

       

      CERTIFIED
        MAIL

      RETURN
        RECEIPT REQUESTED [use the form of delivery required under a Lease, if
        different]

       

      [Name
        and
        Address of Tenant]

       

      Re:           2800  Post
        Oak Boulevard, Houston, Texas

       

      Gentlemen:

       

      This
        is
        to inform you that TRANSCO TOWER LIMITED has this day sold the captioned
        premises to _______________________, a _______________ _____________ having
        an
        address at _______________________, and has transferred to it all leases,
        security deposits and prepaid rents, if any, and other matters relating to
        your
        tenancy at the captioned premises.

       

      After
        the
        date hereof, you should pay all rent and other amounts and direct all notices
        and requests regarding your tenancy at the captioned premises to:

       

      ________________________________

      ________________________________

      ________________________________

      Attention:  _______________________

       

      Facsimile:  _______________________

       

      Sincerely,

      

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

       

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      By:           

      Name:

      Title:

       

      By:           

      Name:

      Title:

       

      
        
                

                    Exh.
              Q-1 -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        Q-2

      

      LETTER
        TO CONTRACTORS

       

      [Date]

       

      

       

      By
        Certified Mail -

       

      Return
        Receipt Requested [use the form of delivery required under the applicable
        Restricted Service Contract]

       

      [Name
        and
        address of Contractor]

       

      
        	
                 

              	
                Re:

              	
                Agreement
                  (the "Contract"), dated ________, between __________ and Transco
                  Tower Limited [__________,  managing agent for Transco Tower
                  Limited] concerning the property located at 2800 Post Oak Boulevard,
                  Houston, Texas (the
                  "Property")

              

      

      

      Dear
        Sir
        or Madam:

       

      Please
        be
        advised that effective as of the date of this letter:

       

      (1)           Transco
        Tower Limited ("Seller") has this day sold the Property to
        _________________, a __________________ ("Purchaser"), having an address
        at _______________________; and

       

      (2)           Purchaser
        has assumed Seller's obligations under the Contract arising from and after
        the
        date hereof.

       

      Accordingly,
        you are hereby notified that any notices, inquiries or requests regarding
        the
        Contract, should be delivered to:

       

      ___________________

       

      ___________________

       

      ___________________

       

      Attention:  __________

       

      
        
                

                    Exh.
              Q-2 -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Very
        truly yours,

       

      SELLER:

       

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

       

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      By:           

      Name:

      Title:

       

      By:           

      Name:

      Title:

       

      

       

      ACKNOWLEDGED/AGREED
        TO:

       

      PURCHASER:

       

      ____________________

       

      

       

      By:           ____________________

       

      Name:

       

      Title:

       

      
        
                

                    Exh.
              Q-2 -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        R

       

      FORM
        OF CERTIFICATE OF NON-FOREIGN STATUS

       

      OF

       

      TRANSCO
        TOWER LIMITED

       

      Section 1445
        of the U.S. Internal Revenue Code of 1986, as amended (the "Code"), provides
        that a transferee of a U.S. real property interest must withhold tax if the
        transferor is a foreign person.  For U.S. tax purposes (including
        Section 1445 of the Code), the owner of a disregarded entity (which has legal
        title to a U.S. real property interest under local law) will be the transferor
        of the property and not the disregarded entity.  To inform
        ___________________ ("Transferee") that withholding of tax is not required
        upon
        disposition of a U.S. real property interest by ________________________
        ("Transferor"), the undersigned, pursuant to Section 1445 of the Code and
        applicable income tax regulations (the "Regulations"), hereby certifies to
        Transferee on behalf of Transferor the following:

       

      1.  Transferor
        is not a foreign corporation, foreign partnership, foreign trust or foreign
        estate (as those terms are defined in the Code and Regulations);

       

      2.  Transferor
        is not a disregarded entity as defined in §1.1445-2(b)(2)(iii) of the
        Regulations;

       

      3.           Transferor's
        U.S. Employer Identification No. is _____________; and

       

      4.           Transferor's
        office address is c/o Fosterlane Management Corporation, 400 Northcreek,
        Suite
        700, 3715 Northside Parkway, Atlanta Georgia 30327.

       

      The
        undersigned understands that this certification may be disclosed to the Internal
        Revenue Service by Transferee and that any false statement contained herein
        could be punished by fine, imprisonment, or both.

       

      Under
        penalties of perjury I declare that I have examined this certification and,
        to
        the best of my knowledge and belief, it is true, correct and complete, and
        I
        further declare that I have authority to sign this document on behalf of
        Transferor.

       

      

       

      __________________________________________

      

      By:           

      Name:

      Title:

       

      
        
                

                    
      
      

                    Exh.
              R -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        S

       

      CERTIFICATE

       

      [Except
        as otherwise set forth on Schedule A hereto,] TRANSCO TOWER LIMITED
        ("Seller"), a Texas limited partnership, hereby restates all of Seller's
        representations and warranties set forth in that certain Contract of Sale,
        dated
        as of  _________, 2008, between ___________________ and Seller
        (the "Contract"), subject to the limitations set forth in the Contract,
        including without limitation, Sections 4.03, 4.04, 4.05 and 13.01(c) of the
        Contract.

       

      Dated:
        __________, 2008

       

      TRANSCO
        TOWER LIMITED,

      a
        Texas
        limited partnership

       

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      By:           

      Name:

      Title:

       

      By:           

      Name:

      Title:

       

      

      
        
                

                    Exh.
              S -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      SCHEDULE
        A TO CERTIFICATE

       

      As
        to
        Section _______ of the Contract, [list the clarification of the
        representation]

       

      

      

       

      

       

      
        
                

                    Exh.
              S -
      
      

                    
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit
        T

       

      Order
        No.
        ___________

       

      OWNER'S
        AFFIDAVIT

       

      On
        the
        ____ day of _________, 2008, before me personally appeared the undersigned,
        who being duly sworn according to law and intending to be legally bound,
        deposes
        and says:

       

      
        	
                1.  

              	
                My
                  name is __________________.

              

      

       

      I
        am the
        ____________ of McCue Street Investors, LLC, a general partner of TRANSCO
        TOWER
        LIMITED (the "Company").  I am familiar with the business of the
        Company.  I am a citizen of the United States and at least 18 years
        old.

       

      
        	
                2.  

              	
                That
                  the statements contained in this affidavit are true and to the
                  best of my
                  knowledge, information and belief, and each such statement is so
                  qualified.

              

      

       

      
        	
                3.  

              	
                That
                  there has not been any construction, repairs, alterations or improvements
                  made, ordered or contracted to be made by the Company on or to
                  the
                  property located at _____________________________________ (the
                  "Premises"), nor materials ordered therefor by the Company within
                  the last
                  four months, which has not been paid
                  for.

              

      

       

      
        	
                4.  

              	
                To
                  the best of my knowledge, that there are no pending proceedings
                  or
                  unsatisfied judgments of record, in any Court, State or Federal,
                  against
                  the Company and that if there are judgments, bankruptcies, or probate
                  proceedings of record against parties with same or similar names,
                  they are
                  not against the Company.

              

      

       

      
        	
                5.  

              	
                That
                  except as set forth in that certain Contract of Sale (the "Contract"),
                  dated as of __________, 2008, between TRANSCO TOWER LIMITED, as
                  seller,
                  and __________, as purchaser, as such Contract has been updated
                  by the
                  Certificate Updating Seller's Representations and Warranties of
                  even date
                  hereof, there are no unrecorded contracts, leases or easements
                  (excluding,
                  however, subleases or sublicenses executed by any tenant with a
                  lease at
                  the Premises or those claiming by, through or under them) relating
                  to the
                  Property (as defined in the
                  Contract).

              

      

       

      
        	
                6.  

              	
                That,
                  except for tenants occupying the Premises under leases set forth
                  in the
                  Contract, as such Contract has been updated by the Certificate
                  Updating
                  Seller's Representations and Warranties of even date hereof, and
                  parties
                  claiming by, through or under such tenants, the Company is in sole
                  possession of the real property described
                  herein.

              

      

       

      This
        affidavit is made for the purpose of aiding Charter Title Company in determining
        the insurability of title to the property, and to induce said Company to
        issue
        its policy of title insurance and the affiant avers the foregoing statements
        are
        true and correct.

       

      
        
                

                    Exh.
              T -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      IN
        WITNESS WHEREOF, the undersigned, being the hereinafter named Company, has
        caused these presents to be signed by ______________, ______________ and
        attested by its __________ and has caused its corporate seal to be hereto
        affixed this _____ day of _________, 2008.

       

      SELLER:

      

      

      TRANSCO
        TOWER LIMITED, a Texas limited partnership

       

      
        	
                 

              	
                By:

              	
                McCue
                  Street Investors LLC,

              

      

      
        	
                 

              	
                a
                  Delaware limited liability company,

              

      

      
        	
                 

              	
                its
                  General Partner

              

      

      

      By:           

      Name:

      Title:

       

      By:           

      Name:

      Title:

       

      

      ATTEST:                                                                

            Title:

      

      

      STATE
        OF
        GEORGIA                                                      )

      )
        ss.:

      COUNTY
        OF
        FULTON                                                      )

       

      The
        foregoing instrument was acknowledged, subscribed and sworn to before me
        this
        ____ day of _________, 2008, by ____________ as ______________ of TRANSCO
        TOWER LIMITED, a Texas limited partnership.

       

      My
        commission
        expires:                                                                

      II.  Notary
        Public

      
        
                

                    Exh.
              T -
      
    

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

      Exhibit  U

       

      FORM
        OF RECEIPT FOR SECURITY DEPOSITS

       

      THIS
        RECEIPT is made the ____ day of ________, 2008, by ___________________ a
        __________________ ("Purchaser").

       

      RECITALS:

       

      A.           Pursuant
        to that certain Contract of Sale (the "Contract") dated as of
        _______, 2008, by and between TRANSCO TOWER LIMITED, a Texas limited
        partnership  ("Seller"), and Purchaser, Purchaser is the contract
        purchaser of certain real property known as 2800 Post Oak Boulevard, Houston,
        Texas and 3009 South Post Oak Boulevard, Houston, Texas and the improvements
        located thereon, as more particularly described in the Contract.

       

      B.           Section
        7.03(g) of the Contract provides that at the closing of the transaction
        contemplated thereby (the "Closing") Seller will deliver to Purchaser an
        amount
        equal to the total of all tenant security deposits (together with any interest
        thereon).

       

      RECEIVED
        from TRANSCO TOWER LIMITED, a Texas limited partnership, the sum of
        __________________________ Dollars ($_________) representing all of the Tenant
        security deposits (together with interest thereon) other than the Tenant
        security deposits for which a tenant has delivered a letter of credit to
        Seller.

       

      IN
        WITNESS WHEREOF, ___________________ has caused this Receipt to be executed
        on
        the day and year first above written.

       

      ___________________

      

      By:                                                                           

       Name:

       Title:

      

      

      

      ATTEST:

       

      

      Name:

      Secretary

      

      

      

      

       

      
        
                

                    Exh.
              U -

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