TOWER REALTY TRUST INC
8-K, 1998-01-14
ASSET-BACKED SECURITIES
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K
                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


       Date of Report (Date of earliest event reported) December 31, 1997
                                                        -----------------------

                            TOWER REALTY TRUST, INC.
- -------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)
- -------------------------------------------------------------------------------

           Maryland                   1-13375                 13-3938558
(State or other jurisdiction        (Commission             (IRS Employer
    of incorporation)                File Number)          Identification No.)


292 Madison Avenue, 3rd Floor, New York, New York                10017
- -------------------------------------------------------------------------------
     (Address of principal executive offices)                  (Zip Code)

Registrant's telephone number, including area code (212) 448-1864
                                                   ----------------------------

           120 West 45th Street, 24th Floor, New York, New York 10036
- -------------------------------------------------------------------------------
         (Former name or former address, if changed since last report.)



<PAGE>



Item 2.   Acquisition and Disposition of Assets.

     On December 31, 1997, Tower Realty Trust, Inc. (the "Company"), through a
subsidiary of Tower Realty Operating Partnership, L.P., a Delaware limited
partnership (the "Operating Partnership"), of which the Company is the sole
general partner and owns a 91.4% interest, completed the acquisition of an
office property located at 810 7th Avenue, New York, New York (the "Property")
for approximately $143.4 million in cash, exclusive of approximately $6.0
million in closing costs, from 810 Partners LLC, a New York limited liability
company ("810 Partners"), and BHONE CORP., a Delaware corporation ("Bhone" and,
together with 810 Partners the "Former Owners"). The Company funded the purchase
of the Property by borrowing $100.0 million from Credit Suisse First Boston
Mortgage Capital LLC ("First Boston") pursuant to the terms of a Loan Agreement,
attached hereto as Exhibit 2.2, and accessing available working capital. Neither
the Company, nor any director or officer of the Company, was affiliated or had a
material relationship with the Former Owners.

     In connection with the acquisition, the Company agreed to acquire the
limited liability company interests in the company that currently manages the
Property in exchange for $3.0 million in cash or units of limited partnership
(the "Units") of the Operating Partnership. The Company expects that it will
issue Units in satisfaction of this obligation.

     The Property is a 42-story office tower containing approximately 700,000
rentable square feet. Major tenants at the Property include AT&T, EMI
Entertainment World, Inc., PRNewswire, and WWOR-TV, Inc. As of December 31,
1997, the occupancy rate at the Property was approximately 89%.

Item 7.   Financial Statements and Exhibits.

(a)  Financial statements of the business acquired.

The Company has determined that it is impracticable at this time to file a
Statement of Revenue for the Property as prescribed by Rule 3-14 of Regulation
S-X. Such statement will be filed as soon as practicable, but in no event later
than sixty (60) days after this filing.

(b)  Pro forma financial information.

The Company has determined that it is impracticable at this time to file pro
forma financial statements for the Company as prescribed by Rule 3-14 of
Regulation S-X. Such statements will be filed as soon as practicable, but in no
event later than sixty (60) days after this filing.

(c)  Exhibits.

2.1  Sale-Purchase Agreement, dated December 31, 1997, between 810 Partners LLC
     and BHONE CORP., as sellers, and 810 7th Avenue, L.P., as purchaser.

2.2  Loan Agreement, dated as of December 31, 1997, by and between Credit Suisse
     First Boston Mortgage Capital LLC, as lender, and 810 7th Avenue, L.P., as
     borrower.

2.3  Consolidated, Amended and Restated Mortgage Note, dated December 31, 1997,
     between Credit Suisse First Boston Mortgage Capital LLC and 810 7th Avenue,
     L.P.

2.4  Agreement of Principal, dated December 31, 1997, by Tower Realty Operating
     Partnership, L.P. to Credit Suisse First Boston Mortgage Capital LLC

<PAGE>


                                    SIGNATURE




     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                        TOWER REALTY TRUST, INC.
                                              (Registrant)

Date:  January 14, 1998                 /s/  Lawrence H. Feldman
                                        ------------------------------------
                                        By: Lawrence H. Feldman
                                            Chairman of the Board, 
                                            Chief Executive Officer
                                            and President


<PAGE>



                                  Exhibit Index
                                  -------------

The following exhibits are filed as part of this Current Report on Form 8-K.

Exhibit No.                   Description
- -----------                   -----------
2.1  Sale-Purchase Agreement, dated December 31, 1997, between 810 Partners LLC
     and BHONE CORP., as sellers, and 810 7th Avenue, L.P., as purchaser.

2.2  Loan Agreement, dated as of December 31, 1997, by and between Credit Suisse
     First Boston Mortgage Capital LLC, as lender, and 810 7th Avenue, L.P., as
     borrower.

2.3  Consolidated, Amended and Restated Mortgage Note, dated December 31, 1997,
     between Credit Suisse First Boston Mortgage Capital LLC and 810 7th Avenue,
     L.P.

2.4  Agreement of Principal, dated December 31, 1997, by Tower Realty Operating
     Partnership, L.P. to Credit Suisse First Boston Mortgage Capital LLC.

                                                                     Exhibit 2.1

     ----------------------------------------------------------------------



                             SALE-PURCHASE AGREEMENT


                                     between


                                810 PARTNERS LLC

                                       and

                                  BHONE CORP.,

                                                    Seller,


                                       and


                              810 7TH AVENUE, L.P.,

                                                    Purchaser,


                                    Premises:

                               810 Seventh Avenue
                               New York, New York
      ---------------------------------------------------------------------





<PAGE>



                                TABLE OF CONTENTS
1.   Sale-Purchase....................................................1
2.   Purchase Price...................................................2
3.   Permitted Encumbrances...........................................2
4.   Closing Date.....................................................2
5.   Violations.......................................................3
6.   Apportionments...................................................3
7.   Closing Documents................................................7
8.   Title Insurance.................................................10
9.   Representations.................................................10
10.  Fixtures and Personal Property..................................15
11.  Broker..........................................................15
12.  Closing Costs...................................................15
13.  Seller's Covenants..............................................16
14.  Non-Liability...................................................16
15.  Condition of Premises...........................................17
16.  Notices.........................................................18
17.  Entire Agreement................................................19
18.  Amendments......................................................19
19.  No Waiver.......................................................19
20.  Successors and Assigns..........................................20
21.  Partial Invalidity..............................................20
22.  Paragraph Headings..............................................20
23.  Governing Law...................................................20
24.  Binding Effect..................................................20
25.  No Recording or Lis Pendens.....................................20
26.  Prevailing Party to Receive Attorneys' Fees.....................21
27.  Tax-Free Exchange...............................................21
28.  Survival........................................................21
29.  Entire Agreement................................................21
30.  Submission To Jurisdiction......................................21
31.  Waiver Of Jury Trial............................................22
32.  Definition of Business Day......................................22



                                       -i-

<PAGE>




                                    Exhibits
Exhibit           Description
A                 Description of the Land
B                 Service Contracts
C                 Form of Bargain and Sale Deed
D                 Form of  Quitclaim Bill of Sale
E                 Form of Assignment and Assumption of Leases
F                 Form of Assignment and Assumption of Service Contracts
G-1               Form of Assignment and Assumption of Air Rights Leases
G-2               Air Rights Leases
H                 Intentionally Omitted
I-1               Existing Litigation
I-2               Intentionally Omitted
J                 Environmental Reports

                                    Schedules
Schedule          Description
6.12              Closing Proration and Adjustment Schedule
9.1(iii)          Current Monthly Billings
9.1(vii)          Leases
9.1(viii)         Security Deposits
9.1(x)            Tenant Proceedings
9.1(xi)           Brokerage Agreements
9.1(xiv)          Tax Proceedings
9.1(xvi)          Advance Rents
9.1(xx)           Delinquency Report
9.1(xxi)          Air Rights Lease Documents




                                      -ii-

<PAGE>



                             SALE-PURCHASE AGREEMENT

         THIS SALE-PURCHASE AGREEMENT (this "Agreement"), is made as of this
31st day of December, 1997, between 810 PARTNERS LLC, a limited liability
company organized under the laws of the State of Delaware, having an office c/o
Credit Suisse First Boston Mortgage, LLC, 11 Madison Avenue, 7th Floor, New
York, New York 10010 ("810 Partners") and BHONE CORP., a Delaware corporation,
having an office c/o Credit Suisse First Boston Mortgage, LLC, 11 Madison
Avenue, 7th Floor, New York, New York 10010 ("BHone"; together with 810
Partners, the "Seller") and 810 7TH AVENUE, L.P., a New York limited
partnership, having an office c/o Tower Realty Trust, Inc., 292 Madison Avenue,
New York, New York 10017 ("Purchaser").

                              W I T N E S S E T H:

         WHEREAS, BHone is the owner of an undivided 78.3% interest (the
"BHone Interest") in the Premises (as hereinafter defined) and 810 Partners is
the owner of an undivided 21.7% interest (the "810 Partners Interest") in the
Premises;

         WHEREAS, the BHone Interest and the 810 Partners Interest collectively 
constitute a 100% interest in the Premises;

         WHEREAS, BHone desires to sell the BHone Interest and 810 Partners
desires to sell the 810 Partners Interest, and Purchaser desires to purchase
both the BHone Interest and the 810 Partners Interest, on the terms and
conditions set forth herein.

         NOW, THEREFORE, in consideration of the mutual covenants and agreements
hereinafter set forth, and for other good and valuable consideration, the mutual
receipt and legal sufficiency of which are hereby acknowledged, Seller and
Purchaser hereby agree as follows:

         1.       Sale-Purchase.

                  Seller agrees to sell and convey to Purchaser, and Purchaser
agrees to purchase from Seller, upon the terms and conditions hereinafter set
forth, the following (collectively, the "Premises"):

                  (i) all that certain plot, piece and parcel of land located in
the County of New York and the State of New York, described in Exhibit "A"
annexed hereto and made a part hereof, together with all easements, rights of
way, privileges, appurtenances and other rights, if any, pertaining thereto (the
"Land"), which Land is located at 810 Seventh Avenue, New York, New York. The
Land includes all right, title and interest of Seller in and to any land lying
in the bed of any street, road or avenue opened or proposed, public or private,
in front of or adjoining the Property, to the center line thereof, and all
right, title and interest of Seller in and to any award made or to be made in
lieu thereof and in and to any unpaid award for damage to the Property by reason
of change of grade of any street, and the buildings and improvements located
thereon and Seller shall execute and deliver to Purchaser at the Closing (as
hereinafter defined) all proper instruments for the conveyance of such title and
the assignment and collection of any such award;

                  (ii) all buildings and improvements located on the Land and
all of Seller's right, title and interest in and to any and all fixtures
attached thereto (collectively, the "Improvements"; together with the Land, the
"Real Property");



                                       -1-

<PAGE>




                  (iii) all equipment, machinery, apparatus, appliances, and
other articles of personal property located on and used in connection with the
operation of the Improvements (collectively, the "Personal Property"), to the
extent any of same are owned by Seller;

                  (iv)     the Service Contracts (as hereinafter defined);

                  (vii) to the extent assignable, and subject to the terms
hereof, all licenses, franchises, permits, certificates of occupancy,
authorizations and approvals used in or relating to the ownership, occupancy or
operation of any part of the Improvements (the "Permits");

                  (viii)   the Leases (as hereinafter defined);

                  (ix)     the Air Rights Leases (as hereinafter defined); and

                  (x) any development rights owned by Seller pertaining to the
Real Property.

         2.       Purchase Price.

         The purchase price for the Premises (the "Purchase Price") is One
Hundred Forty-Three Million Three Hundred Seventy-Five Thousand and 00/100
Dollars ($143,375,000.00) Dollars, payable in full on the Closing Date (as
hereinafter defined) by wire transfer of immediately available federal funds to
an account or accounts designated by Seller (such funds, the "Closing Funds").
Seller and Purchaser acknowledge and agree that $112,262,625.00 of the Closing
Funds are to be transferred to BHone and approximately $31,112,375.00 of the
Closing Funds are to be transferred to 810 Partners.

         3.       Permitted Encumbrances.

                  3.1. The Premises shall be sold, and title thereto conveyed,
subject to (i) the leases and occupancy agreements for tenants of the Premises
(as amended, modified, renewed or extended as of the date hereof, the "Leases"),
(ii) all Violations (as hereinafter defined), (iii) to the extent assignable,
Seller's right, title and interest in and to the service contracts described on
Exhibit "B" attached hereto and made a part hereof (as amended, modified,
renewed or extended as of the date hereof, and, together with the Referenced
Work Letters (as hereinafter defined), the "Service Contracts"), (iv) the Air
Rights Leases, and (v) all exceptions to title of record (the "Permitted Title
Matters" and, together with the Leases, the Violations, the Air Rights Leases
and the Service Contracts, the "Permitted Encumbrances").

                  3.2. Seller shall give and Purchaser shall accept such fee
simple title (or ground leasehold title, in respect of the Air Rights Leases) to
the Premises as the Title Company (as hereinafter defined) shall approve and
insure as provided in Section 8 hereof at its regular rates, with such
exceptions as are accepted by Purchaser, such acceptance to be evidenced by
Purchaser's consummating the Closing hereunder.

         4.       Closing Date.

         The consummation of the transactions contemplated hereby (the
"Closing"), shall take place at the offices of counsel to Purchaser's lending
institution in New York City, on December 31, 1997 (the "Closing Date").
Purchaser acknowledges and agrees that if for any reason the transaction
contemplated



                                       -2-

<PAGE>



hereby shall fail to close on the aforesaid Closing Date, time being of the
essence, this Agreement shall be completely void and without effect, other than
the provisions of Section 11 hereof which shall survive such termination.

         5.       Violations.

         Purchaser shall accept title to the Premises subject to all violations
of law or municipal ordinances, orders or requirements issued by the departments
of buildings, fire, labor, health or other Federal, State, County, Municipal or
other departments and governmental agencies having jurisdiction against or
affecting the Premises, and any outstanding work orders, in each case,
outstanding as of the date hereof (each, a "Violation"). Purchaser and Seller
agree that Seller shall have no restoration, repair or other obligation or
liability of any kind or nature with respect to any Violation and Purchaser
shall take title to the Premises without adjustment of the Purchase Price in
respect of any Violations.

         6.       Apportionments.

                  6.1. The following are to be apportioned as of the Closing
Date:

                           (i) All real property taxes and other taxes and
charges, including, without limitation, assessments, sewer taxes and rents,
vault taxes and charges and common area charges, if any, imposed on the owner of
the Property and not paid by others. Apportionments of such real property taxes
and other taxes and charges shall be made on the basis of the fiscal year for
which assessed. If the Closing Date shall occur before the tax rate is fixed,
the apportionment of taxes shall be made on the basis of the tax rate for the
preceding year applied to the latest assessed valuation. After the real property
taxes, water rates and other charges are finally fixed, Seller and Purchaser
shall make a recalculation of the apportionment of same, and Seller or
Purchaser, as the case may be, shall promptly make an appropriate payment to the
other based on such recalculation. Without limitation of the generality of the
foregoing, in the event that Seller makes the payment of the real estate taxes
for the Property for the half tax year commencing on January 1, 1998 and ending
on June 30, 1998, then Seller shall be entitled to a receive a credit at Closing
equal to the full amount of such payment.

                           (ii) Utility charges payable by the owner of the
Property, including, without limitation, water rates and charges and sewer
charges. If there are any water meters on the Property (other than meters
measuring water consumption costs which are the obligation of lessees to pay),
Seller shall furnish readings to a date not more than two (2) Business Days
prior to the Closing Date, and the unfixed water rates and charges and sewer
taxes and rents, if any, based thereon for the intervening time, shall be
apportioned on the basis of such readings, provided that if any meter readings
are not available at Closing then meter readings shall be obtained as soon as
reasonably practicable after Closing and appropriate adjustment made on the
basis thereof..

                           (iii) Fixed, escalation, additional and percentage
rent, parking charges and all other charges under the Leases (including, without
limitation, electricity and utility surcharges, so called "CAM" recoveries (or
other recoveries serving the same purpose), administrative fees in connection
with security deposits held by Seller under the Leases, and advance payments by
tenants in respect of real estate taxes), if, as and when collected in
accordance with Section 6.6 hereof (all of the foregoing being collectively
referred to as "Rents").




                                       -3-

<PAGE>



                           (iv) Fuel on hand, if any, based on an estimate
provided by Seller's fuel supplier, at Seller's cost valued at the price
therefor charged by such supplier and including any applicable taxes, provided
that if the foregoing estimate is not available at Closing then such estimate
shall be obtained as soon as reasonably practicable after Closing and
appropriate adjustment made on the basis thereof..

                           (v) Charges and fees for annual licenses, permits
being transferred to Purchaser at Closing and inspection fees.

                           (vi) Charges under the Service Contracts that are
assigned to Purchaser in accordance with the terms of this Agreement.

                           (vii) Vault charges and taxes, if any, not otherwise
payable directly to the taxing authority by any tenant under a Lease.

                           (viii) Deposits, if any, on account with utility
companies servicing the Premises (and Seller and Purchaser each agrees to
cooperate to effectuate the transfer of any such deposits), provided that at
Purchaser's option Seller will obtain a refund of any such utility deposits in
effect and Purchaser shall provide its own utility deposits directly to the
applicable utility companies.

                           (ix) accrued vacation and other employee benefits and
related costs for building employees allocable to the period prior to the
Closing Date.

                           (x) Such other items as are customarily prorated in
transactions similar to the transaction contemplated by this Agreement.

                  6.2. Purchaser and Seller agree that (x) any contest of any of
the items referenced in Section 6.1(i) that pertains to any year before the
1997/1998 tax year shall be brought solely, if at all, by Seller and any refunds
received on account thereof shall be paid solely to Seller and if received by
Purchaser shall be paid by Purchaser to Seller within fifteen (15) Business Days
of Purchaser's receipt thereof and (y) any contest of any of the items
referenced in Section 6.1(i) that pertains to the 1997/1998 tax year shall be
brought by Purchaser; provided, however, (i) if Purchaser fails to prosecute any
such contest for such 1997/1998 tax year, after notice from Seller and the
expiration of thirty (30) days without Purchaser having commenced such
prosecution, then Seller shall have the right to cause such contest to be
prosecuted and (ii) Purchaser shall not settle any such contest or take any
material action in connection with such contest without the prior written
consent of Seller, which consent shall not be unreasonably withheld. Without
limiting the foregoing provisions of this Section 6.2, Purchaser acknowledges
and agrees that Purchaser shall render an accounting to Seller with respect to
all refunds attributable to any such contest in respect of the 1997/1998 tax
year, and such refunds shall be applied first to the costs and expense
(including, without limitation, legal fees) of obtaining such refunds; second,
to payments required to be made to the Tenants of the Real Property in respect
of such refunds pursuant to the terms of the applicable Leases; and third,
apportioned between Purchaser and Seller such that any such refunds shall be
apportioned between Purchaser and Seller with the Seller receiving the portion
of such refunds allocable to the portion of the 1997/1998 tax year prior to the
Closing Date and the Purchaser receiving the remainder of such refund. The
parties agree that if Purchaser receives, in settlement of any contest in
respect of the 1997/1998 tax year, a credit on account of future taxes in
respect of the Real Property, then same shall be deemed for purposes of making
calculations pursuant to this Section 6.2 as if Purchaser had received such
credit as a refund hereunder.



                                      -4-

<PAGE>



                  6.3. If the Premises or any part thereof shall be, or shall
have been affected by, assessments as of the Closing Date, whether or not
payable in annual installments, the entire amount of such assessment shall be
apportioned as appropriate between Seller and Purchaser. Any assessments which
are noticed after the Closing Date shall be paid solely by Purchaser.

                  6.4. If there are any water meters on the Premises (other than
meters measuring water consumption costs which are the obligation of tenants to
pay under Leases), Seller shall furnish readings to a date not more than two (2)
days prior to the Closing Date, and the unfixed water rates and charges and
sewer taxes and rents, if any, based thereon for the intervening time, shall be
apportioned on the basis of such last readings, provided that if any meter
readings are not available at Closing then meter readings shall be obtained as
soon as reasonably practicable after Closing and appropriate adjustment made on
the basis thereof. If there is any fuel on hand, Seller shall furnish a reading
to a date not more than two (2) days prior to the Initial Scheduled Closing
Date, and the unfixed charges for such fuel, if any, for the period from the
date of such reading until the Closing Date shall be apportioned based upon such
reading provided that if any fuel readings are not available at Closing then
fuel readings shall be obtained as soon as reasonably practicable after Closing
and appropriate adjustment made on the basis thereof..

                  6.5. The amount of any unpaid taxes, assessments, water
charges, sewer rents and vault charges and taxes which Seller is obligated to
pay and discharge, with interest and penalties thereon to the date two (2)
Business Days after the Closing Date may, at the option of Seller, be allowed to
Purchaser out of the balance of the Purchase Price, provided that official bills
therefor with interest and penalties thereon are furnished by Seller at the
Closing. If there are any other liens or encumbrances which Seller is paying and
discharging pursuant to Section 8 hereof, Seller may use any portion of the
Purchase Price to satisfy the same, provided that the Title Company shall be
willing to insure Purchaser against collection of such liens and/or
encumbrances, including interest and penalties, in which event such liens and
encumbrances shall not be objections to title.

                  6.6. (i) To the extent that Purchaser or Seller receives Rents
under Leases (including monthly payments of escalation and percentage rents and
"pass throughs") after the Closing Date, Purchaser or Seller, as applicable,
shall render an accounting to Seller or Purchaser, as applicable, with respect
thereto, and the amount of such Rents shall be applied in the following order of
priority: (a) to the calendar month in which the Closing occurs, (b) to any
calendar month or months following the calendar month in which the Closing
occurred until such tenant is current on post-Closing Rents, and (c) third, to
the calendar months preceding the Closing until such tenant is current on
pre-Closing Rents. Without limitation of the foregoing, at the end of the fiscal
year with respect to which any rent under a Lease that is other than fixed rent
(any such rent, "Additional Rent") is payable, there shall be a calculation of
the amount of such Additional Rent to which Seller or Purchaser shall be
entitled pro rata, with Seller being entitled to an amount equal to the amount
of such Additional Rent multiplied by a fraction expressed as a percentage, the
numerator of which is the number of days in said fiscal year with respect to
which Additional Rent under such Lease was payable prior to the Closing Date,
and the denominator of which is the total number of days in said fiscal year
during which such Additional Rent under such Lease was payable, and Purchaser
shall be entitled to the remaining portion of such Additional Rent.

                           (ii) Purchaser shall use its commercially reasonable
efforts to collect any and all Rents due pursuant to the Leases. Notwithstanding
the foregoing, if Purchaser shall commence any legal action to collect any
amounts due from a tenant under a Lease and such tenant shall also owe amounts
which Seller shall be entitled to retain pursuant to the provisions of this
Agreement, then



                                       -5-

<PAGE>



Purchaser shall include in its legal action the claim for amounts due to Seller
and Seller shall reimburse Purchaser for a portion of the reasonable and actual
out-of-pocket legal fees and disbursements incurred by Purchaser in prosecuting
such action in an amount equal to the total amount of such fees and
disbursements multiplied by a fraction, the numerator of which is the total
amount realized by Seller in such action and the denominator of which is the
total amount realized by Seller and Purchaser in such action. If Seller is
entitled, in accordance with the provisions of this Agreement, to all or any
portion of any Rents owed by any tenant under a Lease and such tenant shall be
in default of its obligation to pay such Rents, Seller reserves the right to
commence any and all appropriate legal proceedings to collect such amounts (but
Seller shall not commence any action against a tenant to dispossess such tenant
from possession of space in the Premises) and Purchaser agrees to cooperate with
Seller, at Seller's sole cost and expense, in connection with such proceedings,
provided that if under applicable law it is necessary to use Purchaser's name in
order to commence or maintain any such proceedings, Purchaser shall, at Seller's
request and sole cost and expense, commence and maintain such proceedings at the
direction of Seller and shall otherwise cooperate with Seller in connection
therewith, provided, further, that Seller shall agree to indemnify Purchaser for
any loss, cost, damage or expense incurred by Purchaser in connection with such
proceedings.

                  6.7. Prior to the Closing, Purchaser and Seller shall
cooperate to arrange for utility services to the Premises to be discontinued in
Seller's name, as of the day immediately prior to the Closing Date, and to be
reinstated in Purchaser's name, as of the Closing Date. In the event that the
foregoing cannot be effectuated, then Seller shall furnish readings of the
applicable utility meters to a date not more than two (2) Business Days prior to
the Closing Date, and the unfixed charges, if any, based thereon for the
intervening time, shall be apportioned on the basis of such last readings,
provided that if any such readings are not available at Closing then readings
shall be obtained as soon as reasonably practicable after Closing and
appropriate adjustment made on the basis thereof.

                  6.8 Seller agrees that it shall be responsible for the payment
of the commissions due to leasing brokers with respect to the Property ("Leasing
Commissions"), the costs to be incurred for tenant improvements ("Tenant
Improvement Costs"), and all other out-of-pocket costs and expenses (including,
without limitation, legal fees, costs and disbursements and tenant relocation
costs) arising out of, under or in connection with, any Leases (collectively,
"Other Leasing Costs"; together with any Leasing Commissions and Tenant
Improvement Costs, "Leasing Costs") due in respect of Leases or Lease amendments
executed during the period ending on the Closing Date and Purchaser agrees that
it shall be responsible for the payment of any Leasing Costs due in respect of
Leases or Lease amendments executed during the period from and after the Closing
Date and Purchaser hereby assumes, effective as of the Closing Date, the
obligation to pay all Leasing Costs due in respect of such period; provided,
however, Purchaser shall have no obligation to pay any Leasing Commissions due
in respect of the Leases with WORTV or PR Newswire which Leasing Commissions
have been or will be paid by Seller on or prior to the Closing Date (the
"Referenced Leasing Commisions"). The foregoing obligation of Purchaser to pay
for Tenant Improvement Costs shall specifically include, without limitation, the
amounts owed in connection with any work letters or similar obligations in
connection with the WORTV and PR Newswire Leases (the "Referenced Work
Letters"). In the event that (i) Seller becomes obligated to pay any Leasing
Costs with respect to a Lease due in respect of periods from and after the
Closing Date and (ii) Seller pays any such Leasing Costs prior to the date of
the Closing, then at Closing Purchaser shall reimburse Seller for such Leasing
Costs. In addition, Purchaser hereby assumes, effective as of the Closing Date,
the obligation to pay any commissions due to third party brokers arising out of
Lease renewals and Lease expansions executed during the period after the Closing
Date to the extent not yet due and payable on the Closing Date. Purchaser hereby
agrees to indemnify and hold



                                       -6-

<PAGE>



harmless Seller from and against any and all liabilities (including, without
limitation, reasonable attorneys' fees, costs and disbursements and costs
incurred in the enforcement of the foregoing indemnity) arising out of
Purchaser's failure to comply with its obligations under this Section 6.8.
Seller hereby agrees to indemnify and hold harmless Purchaser from and against
any and all liabilities (including, without limitation, reasonable attorneys'
fees, costs and disbursements and costs incurred in the enforcement of the
foregoing indemnity) arising out of Seller's failure to comply with its
obligations under this Section 6.8.

                  6.9 It is the intention of the parties for Seller to transfer
to Purchaser concurrently with the Closing all security deposits, including,
without limitation, security deposits evidenced by letters of credit, in respect
of tenants under the Leases, which security deposits are set forth on Exhibit E
attached hereto, together with any interest accrued on such security deposits.
To effectuate such intent, at or after the Closing, Seller and Purchaser shall
cooperate to notify any third party institutions holding tenant security
deposits of the transfer of title thereto from Seller to Purchaser. In the event
any security deposits are evidenced by letters of credit, Seller and Purchaser
shall cooperate (on a post-closing basis) to transfer such letter of credit to
Purchaser, provided that until the completion of the transfer of a letter of
credit, upon request made by Purchaser, Seller shall draw on such letter of
credit, provided that Purchaser hereby indemnifies and holds harmless Seller
from any losses, costs, expenses, damages and liabilities (including, without
limitation, reasonable attorneys' fees, costs and disbursements and costs
incurred in connection with the enforcement of the foregoing indemnification
obligation) arising out of Seller's so drawing on such letter of credit.

                  6.10 Purchaser shall assume at Closing all of the obligations
of Seller in connection with the Referenced Work Letters and shall and hereby
does indemnify Seller and each Seller Exculpated Party (as hereinafter defined)
from any liability, claim or expense (including, without limitation, reasonable
attorneys' fees and costs of enforcement of the foregoing indemnity) arising
therefrom. Purchaser shall receive a credit at the Closing in the amount of
$1,440,000 on account of Purchaser's assumption of such obligations of Seller;
provided that, in the event that Purchaser's liability in connection therewith
exceeds such amount, Purchaser shall have no claim against Seller in respect
thereof and, in the event that Purchaser's liability in connection therewith is
less than such amount, Seller shall have no claim against Purchaser in respect
thereof.

                  6.11. The provisions of this Section 6 shall survive for two
hundred seventy (270) days and either party shall have the right prior to the
expiration of such two hundred seventy (270)-day period to require that errors
related to computations and calculations under this Section 6 be corrected and
the parties agree that any errors not raised prior to the expiration of such two
hundred seventy (270)-day period shall be deemed to be waived.

                  6.12 Notwithstanding anything to the contrary contained
herein, Seller shall receive at Closing a credit in the amount of $250,000 in
accordance with the closing proration and adjustment statement attached as
Schedule 6.12.

         7.       Closing Documents.

                  7.1. At the Closing, Seller shall deliver to Purchaser the
following:




                                       -7-

<PAGE>



                           (i) a Bargain and Sale Deed substantially in the form
attached hereto as Exhibit "C" annexed hereto and made a part hereof (the
"Deed"), which Deed shall be in recordable form, duly executed and acknowledged;

                           (ii) a quitclaim bill of sale, substantially in the
form of Exhibit "D" annexed hereto and made a part hereof (the "Bill of Sale");

                           (iii) an assignment and assumption of leases,
substantially in the form of Exhibit "E" annexed hereto and made a part hereof
(the "Assignment and Assumption of Leases");

                           (iv) an assignment and assumption of Service
Contracts, substantially in the form of Exhibit "F" annexed hereto and made a
part hereof (the "Assignment and Assumption of Service Contracts");

                           (v) an assignment and assumption of air rights
leases, substantially in the form of Exhibit "G-1" annexed hereto and made a
part hereof (the "Assignment and Assumption of Air Rights Leases"), which shall
pertain to the air rights leases described on Exhibit "G-2" annexed hereto and
made a part hereof (the "Air Rights Leases");

                           (vi) to the extent same are in the possession of
Seller or Seller's agents, Seller's executed counterparts of all Leases and any
guarantees relating thereto;

                           (vii) a signed notice to the tenants of the Premises,
advising them of the within sale and directing them to pay rent and address all
communications to Purchaser or, at Purchaser's option, to Purchaser's managing
agent, which notice shall be in form reasonably acceptable to Purchaser and
Seller;

                           (viii) to the extent same are in the possession or
within the reasonable control of Seller (it being acknowledged that items in the
possession of Seller's managing agent and Seller's current lender shall be
within the reasonable control of Seller), all plans and specifications with
respect to the Premises;

                           (ix) to the extent the same are in the possession of
Seller or Seller's managing agent for the Premises and are transferable to
Purchaser, all original licenses, certificates and permits pertaining to the
Premises and required for the use or occupancy thereof;

                           (x) keys to all entrance doors to, and equipment and
utility rooms located in, the Premises, to the extent such keys are in the
possession of Seller or Seller's managing agent for the Premises;

                           (xi) a "non-foreign person affidavit" that meets the
requirements of Section 1445(b)(2) of the Internal Revenue Code of 1986, as
amended;

                           (xii) all forms, affidavits and certificates required
to be filed in connection with the imposition and/or payment of the Transfer
Taxes (as hereinafter defined), in proper form for submission, prepared.
executed and acknowledged by the Seller (collectively, the "Transfer Tax
Documents");




                                       -8-

<PAGE>



                           (xiii) such documents (such as limited liability
company resolutions, corporate resolutions or partnership authorizations and
certified limited liability company, corporate or partnership organizational
documents) as are reasonably required by the Title Company to evidence the
authorization of the within sale of the Premises by Seller and the delivery by
Seller of all of the Closing documents required by this Agreement;

                           (xiv) copies of the tenant estoppel certificates
delivered to Seller in connection with its purchase of the Property, which was
consummated on October 23, 1997 (the "Prior Estoppels"); and

                           (xv) such other documents, instruments and/or
deliveries as are required to be delivered by Seller pursuant to the terms of
this Agreement.

                  7.2. At the Closing, Purchaser shall deliver to Seller the
following:

                           (i) the Assignment and Assumption of Leases;

                           (ii) the Assignment and Assumption of Service
Contracts;

                           (iii) the Assignment and Assumption of Air Rights
Leases

                           (iv) the Transfer Tax Documents, executed and
acknowledged by Purchaser, each in proper form for submission, together with
certified checks payable to the order of the appropriate State, City or County
officers or the Title Company, if the Title Company so requests in the amount of
the New York City Real Property Transfer Tax and the New York State Real Estate
Transfer Tax (collectively, the "Transfer Taxes"), together with any required
tax returns, affidavits and other appropriate deliveries;

                           (v) such documents (such as limited liability company
resolutions, corporate resolutions or partnership authorizations and certified
limited liability company, corporate or partnership organizational documents) as
are reasonably required by Seller evidencing the authorization of the within
purchase of the Premises by Purchaser and the delivery by Purchaser of all of
the Closing documents required by this Agreement;

                           (vii) such other documents as may reasonably be
requested by the Title Company to evidence Purchaser's authorization of the
acquisition of the Premises by Purchaser; and

                           (viii) such other documents, instruments and/or
deliveries as are required to be delivered by Purchaser pursuant to the terms of
this Agreement.

                  7.3. The acceptance of transfer of title to the Premises by
Purchaser shall be deemed to be full performance and discharge of any and all
obligations on the part of Seller to be performed pursuant to the provisions of
this Agreement, except where such agreements and obligations are specifically
stated to survive the transfer of title.




                                       -9-

<PAGE>



         8.       Title Insurance.

         Purchaser shall obtain title commitments (collectively, the "Title
Commitment") from Commonwealth Land Title Insurance Company ("Commonwealth"),
Lawyers Title Insurance Company ("LTIC") and Chicago Title Insurance Company
(through Title Associates, Inc., its agent) ("Chicago Title") (such title
companies being collectively referred to as the "Title Company") and, at
Purchaser's option, an updated survey (the "Survey") for the Premises. Other
than such actions as Seller shall take concurrently with the closing of the
transaction contemplated by this Agreement, Seller shall have no obligation of
any kind to remove any exception to title or take any action with respect to any
exception to title.

         9.       Representations.

                  9.1. Seller hereby represents and warrants to Purchaser that,
as of the date hereof:

                           (i) Seller is a limited liability company duly
organized and in good standing under the laws of the State of Delaware, and is
(or will be by Closing) in good standing under the laws of the State of New
York;

                           (ii) (a) the execution, delivery and performance of
this Agreement by Seller are within Seller's powers and have been duly
authorized by all necessary limited liability company action, (b) this Agreement
when executed will constitute the valid and legally binding obligation of
Seller, enforceable against Seller in accordance with its terms, subject to
bankruptcy, insolvency and other laws related to the enforcement of creditors'
rights, and (c) the party executing this Agreement on behalf of Seller is duly
authorized to execute this Agreement on behalf of Seller;

                           (iii) (w) Seller has delivered to Purchaser true,
correct and complete copies of all of the Leases, including, without limitation,
any amendments and modifications thereto, and true, correct and complete copies
of the Prior Estoppels, (x) to the actual knowledge of Seller, the matters set
forth in the Prior Estoppels are true and correct as of the applicable dates set
forth in such Prior Estoppels, (y) during the period between the date of any
Prior Estoppel and the Closing Date no event has occurred that would render the
matters stated in such Prior Estoppel incorrect (other than (A) as shown on the
delinquency report attached as Schedule 9.1(xx) or (B) to change the dates as to
which rent or other charges are shown as paid in such Prior Estoppel), and (z)
the information regarding current monthly tenant billings and employee payroll
for the Property set forth on Schedule 9.1(iii) is true and correct.

                           (iv) (x) Exhibit "B" sets forth a true, correct and
complete list of all Service
Contracts in effect as of the date hereof and (y) Seller has not received or
sent a written notice of default under any such Service Contract;

                           (v) Seller is not a "foreign person" within the
meaning of Section 1445 of the Internal Revenue Code of 1986, as amended;

                           (vi) except as set forth on Exhibit "I-1", Seller has
not received any written notice of any material litigation pending with respect
to the Premises and to the actual knowledge of Seller, no such material
litigation is threatened;




                                      -10-

<PAGE>



                           (vii) Schedule 9.1(vii) attached hereto sets forth a
complete list of all current
tenants under Leases of the Real Property;

                           (viii) all security deposits required to be held
under the Leases are listed on Schedule 9.1(viii) attached hereto, which
security deposits (x) are currently maintained in accordance with law and the
provisions of the respective Leases and (y) include all accrued interest thereon
required to be maintained pursuant to the terms of the applicable Leases;

                           (ix) all leasing brokerage commissions currently due
and payable in connection with Leases at the Property, including, without
limitation, any such due in connection with the Leases to WORTV and PR Newswire
have been or will be on or prior to the Closing paid by Seller, provided that
the foregoing shall not apply to any leasing brokerage commission that may
become due and payable in connection with (A) the renewal of any Lease after the
Closing, (B) the expansion of leased space by any tenant after the Closing or
(C) any unexercised cancellation option contained in any Lease, all of which (in
clauses (A), (B) and (C)) are to be paid by Purchaser;

                           (x) to Seller's actual knowledge, except as expressly
set forth on Schedule 9.1(x) attached hereto or in any of the Prior Estoppels,
no tenant is currenlty contesting any tax, operating cost, escalation or other
additional rental or base rental payment or other charge or any other amounts
payable under any lease;

                           (xi) except as set forth on Schedule 9.1(xi) attached
hereto or in any Prior Estoppel, Seller has not entered into any agreement to
pay brokerage commissions or make any tenant improvements with respect to or
under any Lease;

                           (xii) the lessor's monetary obligation under the
WORTV and PR Newswire leases in respect of work to prepare the space for the
initial occupancy by the tenants thereunder can be satisfied in full by the
payment of the total sum of $1,440,000;

                           (xiii) Seller has received no written notice from any
governmental agency or from any other party of any pending condemnation
proceeding with respect to the Premises or any portion thereof which would
materially and adversely affect the Premises;

                           (xiv) to Seller's actual knowledge, Seller has
received no written notice of any pending or threatened assessment or special
assessment which would affect the Premises or any portion thereof; with respect
to the 1997/1998 tax year, the only pending proceedings for the correction or
protest of the assessed valuation of the Premises are as set forth on Schedule
9.1(xiv) attached hereto;

                           (xv) none of the Leases and none of the rents,
additional rents or other amounts payable thereunder have been assigned, pledged
or encumbered by Seller (other than as provided in those certain mortgages
granted to Credit Suisse First Boston Mortgage Capital LLC encumbering in the
Premises;

                           (xvi) except as set forth in Schedule 9.1 (xvi) or in
any Prior Estoppel or in respect of a security deposit, no tenant has paid any
rent, additional rent, fee or other charge for more than one month in advance
which would result in such tenant's ability to credit such advance against any
payment due from such tenant after the date hereof;



                                      -11-

<PAGE>



                           (xvii) other than in respect of security deposits, no
tenant is a creditor of Seller other than those tenants providing services to
Seller which will be paid in the ordinary course of Seller's business at or
prior to Closing and except with respect to the security deposits described on
Schedule 9.1(viii);

                           (xviii) no third party (other than Purchaser by
reason of this Agreement) has any contractual or other option or right of first
refusal or any other right or option to acquire the Premises or any portion
thereof, provided that the foregoing shall not pertain to options granted in
favor of tenants of the Premises to lease space therein;

                           (xix) Seller has not delivered a written notice to a
tenant notifying such tenant of a default under its Lease;

                           (xx) to Seller's actual knowledge, except as set
forth on the delinquency report attached as Schedule "9.1(xx)", no tenant is in
default in any material respect of its monetary obligations under its Lease
beyond the expiration of any applicable grace period provided for therein for
the cure thereof;

                           (xxi) during the period commencing on Seller's
Acquisition Date and ending on the Closing Date, Seller has not by any
affirmative action of Seller caused Hazardous Materials to become present on the
Property in violation of any Environmental Laws and to Seller's actual
knowledge, other than disclosed in the environmental report regarding the
Premises delivered to Purchaser, there are no Hazardous Materials present on the
Premises in violation of any Environmental Laws. As used herein:

                                    "Environmental Laws" means (i) Section
101(14) of the Comprehensive Environmental Response, Compensation and Liability
Act of 1980, as amended (42 U.S.C. Sections 9601 et seq) and any regulations
promulgated thereunder ("CERCLA"), (ii) the Resource Conservation and Recovery
Act (42 U.S.C. Sections 6901 et seq) and any regulations promulgated thereunder
("RCRA"), (iii) the Toxic Substances Control Act (15 U.S.C. Sections 2601 et
seq) and any regulations promulgated thereunder ("TSCA"), and (iv) any other
law, ordinance, statute, code, rule regulation, judgment, order or decree now or
hereafter enacted, promulgated or amended, of the United States, the states, the
county (parish), the city or any other political subdivisions in which the
Property is located and any other political subdivision, agency or
instrumentality exercising jurisdiction over the owner of the Property, relating
to pollution, protection or regulation of human health, natural resources or the
environment or the emission, discharge, release or threatened release of
pollutants, contaminants, chemicals or industrial, toxic or hazardous substances
or waste into the environment (including ambient air, surface water, ground
water, land or soil); and

                                    "Hazardous Materials" means any substance
that is or contains: (i) any "hazardous substance" as now or hereafter defined
under CERCLA, (ii) any "hazardous waste" as now or hereafter defined under RCRA,
(iii) any substance regulated by TSCA, (iv) gasoline, diesel fuel or other
petroleum hydrocarbons, (v) asbestos and asbestos containing materials, (vi)
polycholorinated biphenyls, (vii) radon gas, and (viii) any additional
substances or materials which are no or hereafter classified or considered to be
hazardous or toxic under any other Environmental Law;

                           (xxii) (A) the Air Rights Leases are in full force
and effect, (B) Seller has not received or sent a notice of default thereunder,
and (C) Schedule 9.1(xxi) contains a true and complete



                                      -12-

<PAGE>



list of all documents comprising the Air Rights Leases, including, without
limitation, all amendments and modifications thereto; and

                           (xxiii) to the actual knowledge of Seller, the
Special Purpose of Statements of Building Operations Expenses attached hereto as
Schedule 9.1 (xxiii) were prepared by a third party accountant and are relied
upon by Seller in connection with the deduction of operations expense reports to
tenants.

As used herein, the term "to the actual knowledge of Seller" or "to Seller's
actual knowledge" and words of similar import, shall mean the actual knowledge
of Adam Hochfelder and Richard Kalikow without any obligation to make inquiry of
any kind.

                  9.2. Purchaser hereby represents and warrants to Seller that,
as of the date hereof:

                           (i) Purchaser has not paid or agreed to pay any
consideration to Seller or to any agent or representative of Seller in order to
induce Seller to enter into this Agreement;

                           (ii) Purchaser is a limited partnership, validly
existing and duly organized under the laws of the State of New York and is
qualified to do business in the State of New York;

                           (iii) The execution, delivery and performance of this
Agreement by Purchaser are within Purchaser's corporate, partnership, limited
liability or other applicable powers and have been duly authorized by all
necessary corporate, partnership, limited liability or other applicable action,
(b) this Agreement when executed will constitute the valid and legally binding
obligation of Purchaser, enforceable against Purchaser in accordance with its
terms, subject to bankruptcy, insolvency and other laws related to the
enforcement of creditors' rights, and (c) each of the officers of Purchaser
executing this Agreement is duly authorized to execute this Agreement on behalf
of Purchaser; and

                           (iv) Purchaser is not acquiring the Premises with the
assets of an employee benefit plan as defined in Section 3(3) of the Employment
Retirement Income Security Act of 1974, as amended ("ERISA") and the transaction
which is the subject of this Agreement is not a prohibited transaction under
Section 406 of ERISA.

                  9.3. Each of the representations and warranties set forth in
Section 11.1 (collectively, "Seller's Representations") shall be deemed to have
been remade at and as of the Closing Date with the same force and effect as if
first made on and as of such date. Seller's Representations shall survive the
Closing for a period of one hundred eighty (180) days. In the event that
Purchaser becomes aware that any of Seller's Representations are untrue in any
material respect prior to the Closing Date and nonetheless proceeds to Closing
without making a claim under this Section 9.3, then same shall be deemed to be a
waiver by Purchaser of any further right to make a claim arising out of such
falsity of such Seller's Representation. For purposes of the foregoing sentence,
Purchaser shall be deemed to have become aware of any untrue Seller
Representation if Lawrence Feldman or Joseph Kasman shall have knowledge of such
untruth.

                  9.4. Each of the representations and warranties set forth in
Section 9.2 (collectively, "Purchaser's Representations") shall be deemed to
have been remade at and as of the Closing Dat e with the same force and effect
as if first made on and as of such date. Purchaser's Representations and
warranties shall survive the Closing for a period of one hundred eighty (180)
days.



                                      -13-

<PAGE>



                  9.5. If any of Purchaser's Representations or Seller's
Representations is discovered to be untrue in any material respect after
Closing, and a claim is asserted within the time period set forth in Section 9.3
or Section 9.4 (in either case, the "Survival Period"), then Seller or
Purchaser, as the case may be, shall, subject to Section 14 have the right to
pursue any and all remedies available against Purchaser or Seller, as the case
may be, as a result of such inaccuracy, provided, however, Purchaser shall not
pursue any claim against Seller that causes damage to Purchaser that is less
than the Floor (as hereinafter defined). As used herein, the term "Floor" shall
mean with respect to any claim or claims against Seller for the breach of any of
Seller's Representations, $1,000,000. For purposes of construing the foregoing
provisions of this Section 9.5, the parties agree that (i) if Purchaser has a
single claim against Seller which is less than $1,000,000, then Purchaser shall
not be entitled to pursue such claim, unless and until such claims aggregate
$1,000,000 as provided in (iii) below, (ii) if Purchaser has a single claim
against Seller which is more than $1,000,000, then Purchaser shall be entitled
to pursue the actual loss suffered by Purchaser in connection with such claim
against Seller and if Purchaser is successful, Seller shall reimburse Purchaser
for the full amount of such claim, (iii) if Purchaser has multiple claims
against Seller that in the aggregate are more than $1,000,000, then Purchaser
shall be entitled to pursue such claims against Seller and if Purchaser is
successful, Seller shall reimburse Purchaser for an amount equal to the full
amount of all such claims in excess of $1,000,000 (i.e., if there are 7 claims
of $200,000 each, then Seller's liability would be $400,000).

         9.6 Subject to the provisions of this Section 9.6, Flatiron Property
Corp., a Delaware corporation ("Flatiron") and N. Richard Kalikow and Adam
Hochfelder (collectively, the "KH Parties"; together with Flatiron, the
"Guarantors") hereby agree to be severally liable for the accuracy of Seller's
Representations to the extent that Seller's Representations survive the Closing
as set forth in Sections 9.3 and 9.5. In the event that Purchaser has a claim
against Seller for breach of any of Seller's Representations and Purchaser
asserts such claim within the Survival Period, then the maximum liability of the
Guarantors shall be (A) in the event that the claim is asserted during the first
90 days of the Survival Period, be limited to $20,000,000 and (B) in the event
that the claim is asserted during the second 90 days of the Survival Period, be
limited to $10,000,000 less the amount of the Guarantors' liability with respect
to any claims asserted during the first 90 days of the Survival Period (the
foregoing limitations being referred to as the "Survival Period Limitation").
For purposes of construction of the foregoing provisions of this Section 9.6,
the parties agree that (i) the liability of the KH Parties and Flatiron in
respect of any claim shall be several and not joint meaning that the KH Parties
shall be liable for 20% of any such claim and Flatiron shall be liable for 80%
of such claim, (ii) the maximum amount that may be recovered from Seller shall
not exceed the Survival Period Limitation, and (iii) the maximum amount that may
be recovered from Seller and the Guarantors (on a collective and aggregate
basis) shall not exceed the Survival Period Limitation (and in furtherance of
the foregoing, any recovery from Seller shall reduce the liability of the
Guarantors and any recovery from any Guarantor shall reduce the liability of
Seller).

         9.7 Notwithstanding anything to the contrary contained in this
Agreement, in the event that Purchaser makes a claim against Seller based on an
alleged breach of Seller's Representation contained in Section 9.1(iii), and
Seller determines that such claim is covered by a Prior Tenant Estoppel (i.e.,
the applicable tenant is "estopped" from taking the position that caused such
breach to occur), then Seller shall have the right, at Seller's sole cost and
expense, to (i) cure such breach by bringing an action for declaratory judgment
to enforce the provisions of such Prior Tenant Estoppel or (ii) bring an action
against the tenant that delivered such Prior Tenant Estoppel for indemnification
for Seller's loss to Purchaser arising from such breach. The prosecution of any
such action shall not operate to prevent



                                      -14-

<PAGE>



Purchaser from prosecuting a claim against Seller based on such alleged breach
of such Seller's Representations.

         10.      Fixtures and Personal Property.

         All of Seller's right, title and interest in and to all fixtures,
machinery, equipment and other articles of personal property attached or
appurtenant to, or used in connection with, the Premises are included in this
sale. The parties agree that the Purchase Price shall be allocated solely to the
Premises and each party agrees not to take an inconsistent position in
connection with any tax filing.

         11.      Broker.

         Purchaser represents and warrants that Purchaser has not dealt with any
broker, agent, finder or similar party in connection with the transaction
contemplated hereby or in connection with the financing of Purchaser's
acquisition of the Property being provided by Credit Suisse First Boston
Mortgage Company (the "CSFB Financing"), other than APC Realty Advisors (the
"Broker") and Purchaser hereby indemnifies and holds harmless Seller and
Seller's affiliates, members, managers, partners, shareholders, officers,
directors and agents (collectively, "Seller Exculpated Parties") from any
liability, cost or expense (including, without limitation, reasonable attorneys'
fees and costs of enforcement of the foregoing indemnity) arising out of the
falsity of the foregoing representation. Seller represents and warrants that
Seller has not dealt with any broker, agent, finder or similar party in
connection with the transaction contemplated hereby or the CSFB Financing
Transaction other than the Broker and Seller hereby indemnifies and holds
harmless Purchaser and Purchaser's affiliates, members, managers, partners,
shareholders, officers, directors and agents (collectively, "Purchaser
Exculpated Parties") from any liability, cost or expense (including, without
limitation, reasonable attorneys' fees and costs of enforcement of the foregoing
indemnity) arising out of the falsity of the foregoing representation. Seller
agrees to pay a commission to the Broker pursuant to a separate agreement, which
commission shall be payable only if, as and when the transaction contemplated
hereby actually closes. The provisions of this Section 11 shall survive the
Closing or any earlier termination of this Agreement.

         12.      Closing Costs.

         Purchaser shall pay (i) all Transfer Taxes with respect to the
transaction contemplated hereby, except as provided in Section 27, (ii) all
title insurance premiums (and all endorsements to the title policy) and all
other title insurance company charges and all survey costs in connection with
this transaction and (iii) one-half of any escrow fees charged by Escrow Agent.
Seller shall pay one-half of any escrow fees charged by Escrow Agent. Each party
shall pay its own legal fees and all of its other expenses in connection with
this transaction. Seller hereby indemnifies Purchaser and each Purchaser
Exculpated Party from any and all losses, costs, damages, claims and liabilities
(including, without limitation, reasonable attorneys' fees and costs of
enforcement of the foregoing indemnification obligation) arising out of its
failure to pay any cost or expense that it is obligated to pay under this
Section 12. Purchaser hereby indemnifies Seller and each Seller Exculpated Party
from any and all losses, costs, damages, claims and liabilities (including,
without limitation, reasonable attorneys' fees and costs of enforcement of the
foregoing indemnification obligation) arising out of its failure to pay any cost
or expense that it is obligated to pay under this Section 12.




                                      -15-

<PAGE>



         13.      Seller's Covenants.

                  13.1 Subsequent to the Closing Date, Seller will make
available to Purchaser, at reasonable times and on reasonable advance notice,
all financial statements and other information received by Seller in connection
with the Premises for the calendar year 1996 and the first 9 calendar months of
1997, including, without limitation, all financial data and information
reasonably necessary for Purchaser to perform an audit of the profits and losses
for the Premises for the 1996 calendar year and the first nine months of the
1997 calendar year, provided that any and all such cooperation shall be at the
sole cost and expense of Purchaser. To the extent any data or information
required to be furnished by Seller pursuant to the provisions of this Section
13.1 is not within the reasonable possession or control of Seller, Seller will
exercise good faith reasonable efforts to obtain possession of such data and
information and, upon obtaining such possession, will furnish same to Purchaser
(subject to clauses (x) and (y) above), provided, however, Purchaser shall be
responsible for the payment of any and all costs and expenses incurred by
Purchaser in obtaining such possession of such data and information, provided,
further, in no event shall Purchaser be required to commence any litigation or
any action or proceeding against any third party in order to obtain such
possession of such data and information, provided, further, however, Seller
agrees that Seller shall permit Purchaser to bring an action against the party
from whom Seller acquired the Premises to compel disclosure of such date an
information, provided that if Purchaser brings any such action then Purchaser
shall indemnify Seller from any losses, costs, damages and liabilities
(including, without limitation, reasonable attorneys' fees, costs and
disbursements and costs incurred in the enforcement of the foregoing
indemnification obligation) arising out of such litigation, including, without
limitation, any counterclaim made by such party against Seller in such
litigation.

                  13.2 Seller shall deliver so-called "ACP-5 Certificates" for
the following floors of the Improvements: 2, 10, 26 and Strawberry's Store
premises on or before January 15, 1998. Purchaser acknowledges that it is aware
that Seller has caused certain asbestos abatement work to be performed on the
18th and 22nd floors of the Improvements through a third party contractor.
Seller hereby assumes any liability to such third party contractor arising out
of any agreement between Seller and such third party contractor to complete or
pay for such asbestos abatement work, provided that Seller shall have no
obligation to complete any such abatement work either through such third party
contractor or otherwise and Purchaser acknowledges that Seller shall have the
right to induce such third party contractor not to complete such asbestos
abatement work. The Guarantors hereby agree to be severally liable for the
obligations of Seller under this Section 13.2, such liability to be subject to
the Survival Period Limitation.

         14.      Non-Liability.

         Notwithstanding anything to the contrary contained in this Agreement,
none of the members of Seller nor any of the directors, officers, employees,
shareholders, members, manager, partners or agents of any of the members of
Seller nor any other person, partnership, company, corporation or trust, as
principal of Seller, whether disclosed or undisclosed (collectively, "Seller
Exculpated Parties") shall have any personal obligation or liability hereunder,
and Purchaser shall not seek to assert any claim or enforce any of its rights
hereunder against any Seller Exculpated Party. Notwithstanding anything to the
contrary contained in this Agreement, none of the partners of Purchaser nor any
of the directors, officers, employees, shareholders, members, managers, partners
or agents of any of the partners of Purchaser nor any other person, partnership,
company, corporation or trust, as principal of Purchaser, whether disclosed or
undisclosed (collectively, "Purchaser Exculpated Parties") shall have any
personal obligation or



                                      -16-

<PAGE>



liability hereunder, and Seller shall not seek to assert any claim or enforce
any of its rights hereunder against any Purchaser Exculpated Party.

         15.      Condition of Premises.

                  15.1. Except as otherwise expressly provided in this
Agreement, Purchaser shall accept the Premises at the Closing in its "as is",
"where is" condition with all faults as of the Closing Date. Purchaser agrees
that, except as expressly set forth herein, Seller shall not be liable for any
latent or patent defects in the Premises, and shall not be bound in any manner
whatsoever by any guarantees, promises, projections, operating expenses, set-ups
or other information pertaining to the Premises made, furnished or claimed to
have been made or furnished by Seller or any other person or entity, including,
without limitation, the Broker, or any partner, member, manager, shareholder,
employee, agent, attorney or other person representing or purporting to
represent Seller or the Broker, whether verbally or in writing. Purchaser
acknowledges that neither Seller nor any of the employees, agents or attorneys
of Seller has made any verbal or written representations or warranties
whatsoever to Purchaser, whether express or implied, except as expressly set
forth in this Agreement and, in particular, that no such representations and
warranties have been made with respect to the physical or environmental
condition or operation of the Premises, the layout or footage of the Premises,
the actual or projected revenue and expenses of the Premises or any of the
Leases, zoning, environmental, and other laws, regulations and rules applicable
to the Premises, or the compliance of the Premises therewith, 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 Premises or
any part thereof or any other matter or thing affecting or relating to the
Premises or the transactions contemplated hereby, except as specifically set
forth in this Agreement. Purchaser has not relied and is not relying upon any
representations or warranties, other than the representations and warranties
expressly set forth in this Agreement, or upon any statements made in any
informational materials with respect to the Premises provided by Seller or any
other person or entity, including the Broker or any shareholder, member,
manager, employee, agent, attorney or other person representing or purporting to
represent Seller or the Broker. IN ADDITION TO, AND WITHOUT LIMITATION OF THE
FOREGOING, SELLER MAKES NO WARRANTY, EXPRESS OR IMPLIED, AS TO THE
MERCHANTABILITY, TITLE, MARKETABILITY, FITNESS, OR SUITABILITY FOR A PARTICULAR
PURPOSE OF THE PREMISES OR ANY COMPONENT THEREOF, AND SAID PREMISES IS SOLD IN
AN "AS IS", "WHERE IS" CONDITION, WITH ALL FAULTS. BY ACCEPTANCE OF THIS
AGREEMENT, PURCHASER AFFIRMS AND AGREES THAT (A) PURCHASER HAS NOT RELIED ON
SELLER'S SKILL OR JUDGMENT TO SELECT OR FURNISH SAID PREMISES FOR ANY PARTICULAR
PURPOSE, (B) SELLER MAKES NO WARRANTY THAT SAID PREMISES IS FIT FOR ANY
PARTICULAR PURPOSE, AND (C) THERE ARE NO REPRESENTATIONS OR WARRANTIES, EXPRESS,
IMPLIED OR STATUTORY, WITH RESPECT TO THE PREMISES. PURCHASER HAS BEEN GIVEN THE
OPPORTUNITY TO INSPECT THE PREMISES AND HAS DETERMINED TO PURCHASE THE PREMISES
BASED ON SUCH INSPECTION.

                  15.2. Without limiting the generality of the provisions of
Section 15.1, Purchaser specifically acknowledges and agrees as follows:

                           (i) Neither Seller nor any other party acting (or
purporting to act) on behalf of Seller, has made any representation or warranty
of any kind of nature concerning any environmental condition existing at the
Property;




                                      -17-

<PAGE>



                           (ii) Seller has delivered to Purchaser copies of the
environmental reports listed on Exhibit "J" (the matters stated therein being
referred to as the "Environmental Disclosed Matters");

                           (iii) Purchaser shall take title to the Premises
subject to any and all environmental conditions thereat, whether known or
unknown, disclosed or undisclosed, including, without limitation, the
Environmental Disclosed Matters (any of the foregoing described in this clause
(iii) being referred to as "Environmental Conditions"); and

                           (iv) Purchaser hereby releases Seller and each Seller
Exculpated Party from any
liability of any kind or nature arising with respect to any Environmental
Conditions and, specifically, agrees that if any claim is brought against
Purchaser arising out of any Environmental Condition Purchaser shall have no
claim of any kind or nature against Seller or any Seller Exculpated Party.

         16.      Notices.

         All notices, offers or other communications required or permitted to be
given pursuant to this Agreement shall be in writing and shall be considered as
properly given or made (i) upon the date of personal delivery (if notice is
delivered by personal delivery) or (ii) on the date of delivery, as confirmed by
electronic answerback (if notice is delivered by facsimile transmission), and in
any case addressed to the parties at the addresses set forth below (or to such
other addresses as the parties may specify by due notice to the other):

         If to Seller:

         Credit Suisse First Boston Corporation
         11 Madison Avenue
         New York, New York 10010
         Attention:  Mr. Bruce McLean
         Facsimile Number: 212-325-8064

         With a copy to:

         c/o NRK Management Corp.
         1110 Second Avenue, 3rd Floor
         New York, New York 10022
         Attention:  Adam Hochfelder.
         Fax No.: 212-421-8413

         And an additional copy to:

         c/o Angelo, Gordon & Co., L.P.
         245 Park Avenue, 26th Floor
         New York, New York 10167
         Attention:  Mr. Keith Barket
         Facsimile:  212-867-5436




                                      -18-

<PAGE>



         And an additional copy to:

         Duval & Stachenfeld LLP
         405 Lexington Avenue
         32nd Floor
         New York, New York 10174
         Attention:  Bruce M. Stachenfeld, Esq.
         Facsimile:  212-883-8883

         And an additional copy to:

         Emmet, Marvin & Martin
         120 Broadway
         New York, New York
         Attention:  Patrick A. McCartney, Esq.
         Facsimile Number: 212-238-3100

         If to Purchaser:

         c/o Tower Realty Trust, Inc.
         292 Madison Avenue, 3rd Floor
         New York, New York 10017
         Attention:  Mr. Lawrence Feldman
         Facsimile:  212-448-1865

         with a copy to:

         Battle Fowler LLP
         75 East 55th Street
         New York, New York 10022
         Attention:  Bradley A. Kaufman, Esq.
         Facsimile:  212-856-7802

         17.      Entire Agreement.

         This Agreement contains all of the terms agreed upon between the
parties with respect to the subject matter hereof, and all agreements heretofore
had or made between the parties hereto are merged in this Agreement which alone
fully and completely expresses the agreement of said parties.

         18.      Amendments.

         This Agreement may not be changed, modified or terminated, except by an
instrument executed by the parties hereto who are or will be affected by the
terms of such instrument.




                                      -19-

<PAGE>



         19.      No Waiver.

         No waiver by either party of any failure or refusal to comply with its
obligations under this Agreement shall be deemed a waiver of any other or
subsequent failure or refusal to so comply.

         20.      Successors and Assigns.

         The provisions hereof shall inure to the benefit of, and shall be
binding upon, the heirs, executors, administrators, successors and assigns of
the respective parties, provided, however, Purchaser may not assign this
Agreement or any of Purchaser's rights hereunder without the prior written
consent of Seller, which consent may be granted or withheld in the sole and
absolute discretion of Seller.

         21.      Partial Invalidity.

         If any term or provision of this Agreement or the application thereof
to any person 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 be enforced to the fullest extent
permitted by law.

         22.      Paragraph Headings.

         The headings of the various paragraphs of this Agreement have been
inserted only for the purposes of convenience, and are not part of this
Agreement and shall not be deemed in any manner to modify, explain or restrict
any of the provisions of this Agreement.

         23.      Governing Law.

         This Agreement shall be governed by, and shall be interpreted,
construed and enforced in accordance with, the laws of the State of New York
without regard to its rules regarding conflicts of law.

         24.      Binding Effect.

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

         25.      No Recording or Lis Pendens.

         The parties hereto agree that neither this Agreement nor any memorandum
of notice hereof shall be recorded, and Purchaser agrees not to file any Lis
Pendens or other instrument against the Premises in connection herewith,
provided that the foregoing shall not prohibit the filing of a Lis Pendens in
the event that Purchaser is in good faith pursuing the remedy of specific
performance, provided further, that in the event that Purchaser so pursues such
remedy against Seller and Purchaser does not prevail in respect of such claim,
then Purchaser shall indemnify and hold harmless Seller and each Seller
Exculpated Party from any and all losses, costs, expenses, damages and
liabilities (including, without limitation, reasonable attorneys' fees, costs
and disbursements and costs incurred in the enforcement of



                                      -20-

<PAGE>



the foregoing indemnification obligation) arising out of Purchaser's prosecution
of such remedy and filing of such Lis Pendens..

         26.      Prevailing Party to Receive Attorneys' Fees.

         In the event of any litigation arising out of this Agreement, the
prevailing party shall be entitled to receive from the losing party an amount
equal to the prevailing party's reasonable costs incurred in such litigation.
including, without limitation, the prevailing party's reasonable attorneys'
fees, costs and disbursements.

         27.      Tax-Free Exchange.

         Seller has informed Purchaser that Seller desires to effectuate the
transaction contemplated by this Agreement as a tax-free exchange in respect of
the 810 Partners Interest. Purchaser agrees to cooperate fully with 810 Partners
in effectuating such tax-free exchange, such cooperation to include, without
limitation, executing and delivering all documents and instruments necessary,
for such purpose. To induce Purchaser to so cooperate, 810 Partners hereby
agrees to reimburse Purchaser for any costs or expenses incurred by Purchaser in
connection with such cooperation and hereby indemnifies Purchaser from any loss,
cost or expenses, including, without limitation, any adverse tax consequences as
a result of such cooperation or the transaction thereby contemplated (including,
without limitation, reasonable attorneys' fees, costs, and disbursements, costs
incurred in the enforcement of the foregoing indemnification obligation)
incurred by Purchaser in connection with such tax-free exchange. 810 Partners
shall pay any transfer taxes incurred as a result of this Section 27.

         28.      Survival.

                  Except otherwise specifically herein provided, no
representation, warranty, covenant or obligation of Seller set forth in this
Agreement or any document or instrument delivered by Seller in connection
herewith, including, without limitation, the Assignment and Assumption of
Leases, the Assignment of Air Rights Leases, and the Assignment and Assumption
of Service Contracts, shall survive the Closing and the delivery of the Deed.

         29.      Entire Agreement.

                  This Agreement contains the complete and entire agreement
between the parties respecting the transaction contemplated herein, and
supersedes all prior negotiations, agreements, representations and
understandings, if any, between the parties respecting such matters.

         30.      Submission To Jurisdiction.

                  PURCHASER AND SELLER EACH HEREBY IRREVOCABLY SUBMITS TO THE
JURISDICTION OF ANY NEW YORK STATE OR FEDERAL COURT SITTING IN NEW YORK COUNTY
OVER ANY SUIT, ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS
AGREEMENT. SELLER AND PURCHASER AGREE TO ELECT THE STATE OF NEW YORK, NEW YORK
COUNTY OR THE UNITED STATES OF AMERICA, FEDERAL DISTRICT COURT HAVING
JURISDICTION OVER NEW YORK COUNTY, AS THE VENUE OF ANY SUCH SUIT, ACTION OR
PROCEEDING. PURCHASER AND SELLER EACH HEREBY IRREVOCABLY



                                      -21-

<PAGE>



WAIVES, TO THE FULLEST EXTENT PERMITTED BY LAW, ANY OBJECTION IT MAY NOW OR
HEREAFTER HAVE TO SUCH VENUE AS BEING AN INCONVENIENT FORUM.

         31.      Waiver Of Jury Trial.

                  PURCHASER AND SELLER EACH HEREBY AGREES NOT TO ELECT A TRIAL
BY JURY OF ANY ISSUE TRIABLE OF RIGHT BY JURY, AND WAIVES ANY RIGHT TO TRIAL BY
JURY FULLY TO THE EXTENT THAT ANY SUCH RIGHT SHALL NOW OR HEREAFTER EXIST WITH
REGARD TO THIS AGREEMENT OR ANY CLAIM, COUNTERCLAIM OR OTHER ACTION ARISING IN
CONNECTION THEREWITH. THIS WAIVER OF RIGHT TO TRIAL BY JURY IS GIVEN KNOWINGLY
AND VOLUNTARILY BY PURCHASER AND SELLER, AND IS INTENDED TO ENCOMPASS
INDIVIDUALLY EACH INSTANCE AND EACH ISSUE AS TO WHICH THE RIGHT TO A TRIAL BY
JURY WOULD OTHERWISE ACCRUE. SELLER OR PURCHASER, AS APPLICABLE, IS HEREBY
AUTHORIZED TO FILE A COPY OF THIS SECTION IN ANY PROCEEDING AS CONCLUSIVE
EVIDENCE OF THIS WAIVER BY PURCHASER OR SELLER, AS APPLICABLE.

         32.      Definition of Business Day.

         As used herein, the term "Business Day" shall mean any day other than
(i) a Saturday or a Sunday, (ii) a national holiday, or (iii) a day on which
banks are not required to be open for business within the State of New York.





                                      -22-

<PAGE>




         IN WITNESS WHEREOF, this Agreement has been duly executed by the
parties hereto as of the day and year first above written.

                                SELLER:

                                810 PARTNERS LLC, a Delaware limited liability
                                company

                                By:      AG Asset Manager, Inc., a Delaware 
                                         corporation, its Manager


                                         By:      /s/ Louis Forster
                                                  -----------------
                                                  Louis Forster
                                                  Vice President

                                Federal I.D. No. _____________


                                BHONE CORP., a Delaware corporation


                                By:      /s/ Bruce M. McLean
                                         -------------------
                                         Bruce R. McLean
                                         Vice President


                                PURCHASER:

                                810 7TH AVENUE, L.P., a New York
                                limited partnership

                                By:      810 7th Avenue GP LLC, a
                                         Delaware limited liability company, 
                                         General Partner

                                         By:      Tower QRS No. 5 Corp.,
                                                  a Delaware corporation,
                                                  Managing Member


                                                  By: /s/ Lawrence Feldman
                                                      --------------------
                                                          Name: Lawrence Feldman
                                                          Title:  President

                                Federal I.D. No. __________




                                      -23-

<PAGE>




         Solely to evidence its liability under Section 9.6 of the foregoing
Agreement:

                                           FLATIRON PROPERTY CORP., a
                                           Delaware corporation


                                           By:      /s/ Bruce R. McLean
                                                    -------------------
                                                    Bruce R. McLean
                                                    Vice President


                                           /s/ N. Richard Kalikow
                                           ----------------------
                                             N. Richard Kalikow



                                           /s/ Adam Hochfelder
                                           -------------------
                                             Adam Hochfelder




                                      -24-

<PAGE>



                                   EXHIBIT "A"
                               DESCRIPTION OF LAND

All that certain plot, piece or parcel of land, situate, lying and being in the
Borough of Manhattan, City, County and State of New York, bounded and described
as follows:

BEGINNING at a point on the northerly side of West 52nd Street, opposite the
center of a certain party wall standing partly on the premises and partly on the
premises adjoining on the easterly side thereof, which point is distant
seventy-four feet four inches (as described; seventy-four feet three and
one-half inches as surveyed ) westerly from the northwesterly corner of Seventh
Avenue and West 52nd Street; and

RUNNING THENCE Northerly parallel with the westerly side of Seventh Avenue and
for part of the distance through the center of said party wall seventy-five feet
and five inches;

THENCE Easterly and parallel with the said northerly side of West 52nd Street 74
feet 3-3/4 inches (as described; 74 feet 3-1/2 inches as surveyed) to the
westerly side of Seventh Avenue;

THENCE Northerly along the said westerly side of Seventh Avenue, 125 feet 5
inches to the corner formed by the intersection of the said westerly side of
Seventh Avenue and the southerly side of West 53rd Street;

THENCE Westerly along the said southerly side of West 53rd Street 195 feet 2-3/8
inches to the intersection of the said southerly side of West 53rd Street and
the easterly side of Broadway;

THENCE Southerly along the said easterly side of Broadway, 126 feet 1-1/2
inches, more or less, to a point in a line parallel to the northerly side of
West 52nd Street, 75 feet 5 inches (as described; 75 feet 10-1/4 inches as
surveyed) northerly therefrom measured on a line at right angles to the
northerly side of West 52nd Street;

THENCE Easterly parallel with the said northerly side of West 52nd Street, 69
feet 11 inches;

THENCE Southerly at right angles to the said northerly side of West 52nd Street,
75 feet 5 inches to the said northerly side of West 52nd Street; and

THENCE Easterly along the said northerly side of West 52nd Street, 37 feet 7
inches (as described; 37 feet 6-1/2 inches as surveyed) to the point or place of
BEGINNING.

TOGETHER WITH the Air Rights over the following described parcel (Block 1024 Lot
29):

ALL that certain lot or parcel of land in the Borough of Manhattan, City, County
and State of New York, bounded and described as follows:



<PAGE>


BEGINNING at a point formed by the intersection of the northerly side of 52nd
Street, with the westerly side of 7th Avenue; and

RUNNING THENCE Westwardly along the northerly side of 52nd Street, seventy-four
(74) feet four (4) inches to a point opposite the center line of a sixteen (16)
inch party wall;

THENCE Northwardly parallel with 7th Avenue and part of the distance through the
center of said party wall, seventy-five (75) feet five (5) inches;

THENCE Eastwardly parallel with 52nd Street, seventy-four (74) feet four (4)
inches to the westerly side of 7th Avenue; and

THENCE Southwardly along the westerly side of 7th Avenue, seventy-five (75) feet
five (5) inches to the point or place of BEGINNING.

ALSO, TOGETHER WITH the Air Rights over the following described parcel (Block
1024 Lot 131):

ALL that lot of land in the Borough of Manhattan, County of New York, City of
New York and State of New York, bounded and described as follows:

BEGINNING at the corner formed by the intersection of the northerly side of
Fifty-Second (52nd ) Street with the easterly side of Broadway, as now laid
down;

RUNNING THENCE Easterly along the northerly side of Fifty-Second (52nd ) Street,
sixty-one (61) feet ten (10) inches to the outer line of the westerly wall of
the building erected on the premises adjoining on the east of the premises
hereby described;

RUNNING THENCE Northerly, parallel with the westerly side of Seventh Avenue and
along said line of said wall and a line in prolongation thereof, seventy-five
(75) feet five (5) inches;

RUNNING THENCE Westerly parallel with the northerly side of Fifty-Second Street,
sixty-nine (69) feet eleven (11) inches to the said easterly side of Broadway;

RUNNING THENCE Southerly along the easterly side of Broadway, seventy-five (75)
feet eleven (11) inches to the point or place of BEGINNING.



<PAGE>



                                  EXHIBIT "B"
                                  -----------

                               SERVICE CONTRACTS
                               -----------------


<PAGE>


                                        SCHEDULE B

                              SCHEDULED OF SERVICE CONTRACTS
                                   @ 810 SEVENTH AVENUE


<TABLE>
<CAPTION>

                                                          EXPIRATION             TERMINATION
TYPE OF SERVICE                  VENDOR                   OR TERM                CLAUSE
- ---------------                  ------                   ----------             -----------
<S>                              <C>                      <C>                    <C>
Cleaning/Light Maintenance       ISS International        Year to Year           60 days
Elevator Maintenance             Dover                    January 1, 1988        90 days prior to term
Arch'l Metal maintenance         Aztec                    November 21, 1999      60 days prior to term
Stone maintenance                Aztec                    Quarter to Quarter     None
Window Cleaning Scaffold         Spider                   December 31, 1999      90 days
Energy Management System         Elite Control            Year to Year           None
Refuse Collection                Sprint                   July 23, 1999          30 days
Emergency Generators             Genserve                 Year to Year           None
Landscaping                      Alexsis                  Month to Month         None
Fire alarm System                Quality Security         Year to Year           30 days
Sub-meter Reading                Utilities Research       Year to Year           None
Annual Elevator Inspection       John VanDeusen           Year to Year           None
Property Management              NRK Management           Year to Year           15 days

</TABLE>



<PAGE>



                                   EXHIBIT "C"

                          FORM OF BARGAIN AND SALE DEED
                     WITHOUT COVENANT AGAINST GRANTOR'S ACTS

     THIS INDENTURE, made the [___] day of December, nineteen hundred and
ninety-seven between 810 PARTNERS LLC, a Delaware limited liability company,
having an office at c/o Credit Suisse First Boston Mortgage, LLC, 11 Madison
Avenue, 7th Floor, New York, New York 10010 and [810 FLATIRON PROPERTY CORP., a
Delaware corporation, having an office at c/o Credit Suisse First Boston
Mortgage, LLC, 11 Madison Avenue, 7th Floor, New York, New York 10010,
collectively, party of the first part, and 810 7TH AVENUE, L.P., a New York
limited partnership, having an office c/o Tower Realty Trust, Inc., 292 Madison
Avenue, New York, New York 10017, party of the second part,

     WITNESSETH, that the party of the first part in consideration of ten
($10.00) dollars, lawful money of the United States, paid by the party of the
second part, does hereby grant and release unto the party of the second part,
the heirs of successors and assigns of the party of the second part forever,

     ALL that certain plot, piece or parcel of land, situate, lying and being in
the Borough of Manhattan, City, County and State of New York, bounded and
described as follows:

     BEGINNING at a point on the northerly side of West 52nd Street, opposite
the center of a certain party wall standing partly on the premises and partly on
the premises adjoining on the easterly side thereof, which point is distant
seventy-four feet four inches (as described; seventy-four feet three and
one-half inches as surveyed ) westerly from the northwesterly corner of Seventh
Avenue and West 52nd Street; and

     RUNNING THENCE Northerly parallel with the westerly side of Seventh Avenue
and for part of the distance through the center of said party wall seventy-five
feet and five inches;

     THENCE Easterly and parallel with the said northerly side of West 52nd
Street 74 feet 3-3/4 inches (as described; 74 feet 3-1/2 inches as surveyed) to
the westerly side of Seventh Avenue;

     THENCE Northerly along the said westerly side of Seventh Avenue, 125 feet 5
inches to the corner formed by the intersection of the said westerly side of
Seventh Avenue and the southerly side of West 53rd Street;

     THENCE Westerly along the said southerly side of West 53rd Street 195 feet
2-3/8 inches to the intersection of the said southerly side of West 53rd Street
and the easterly side of Broadway;

     THENCE Southerly along the said easterly side of Broadway, 126 feet 1-1/2
inches, more or less, to a point in a line parallel to the northerly side of
West 52nd Street, 75 feet 5 inches (as described; 75 feet 10-1/4 inches as
surveyed) northerly therefrom measured on a line at right angles to the
northerly side of West 52nd Street;

     THENCE Easterly parallel with the said northerly side of West 52nd Street,
69 feet 11 inches;



<PAGE>



     THENCE Southerly at right angles to the said northerly side of West 52nd
Street, 75 feet 5 inches to the said northerly side of West 52nd Street; and

     THENCE Easterly along the said northerly side of West 52nd Street, 37 feet
7 inches (as described; 37 feet 6-1/2 inches as surveyed) to the point or place
of BEGINNING.

     TOGETHER WITH the Air Rights over the following described parcel (Block
1024 Lot 29):

     ALL that certain lot or parcel of land in the Borough of Manhattan, City,
County and State of New York, bounded and described as follows:

     BEGINNING at a point formed by the intersection of the northerly side of
52nd Street, with the westerly side of 7th Avenue; and

     RUNNING THENCE Westwardly along the northerly side of 52nd Street,
seventy-four (74) feet four (4) inches to a point opposite the center line of a
sixteen (16) inch party wall;

     THENCE Northwardly parallel with 7th Avenue and part of the distance
through the center of said party wall, seventy-five (75) feet five (5) inches;

     THENCE Eastwardly parallel with 52nd Street, seventy-four (74) feet four
(4) inches to the westerly side of 7th Avenue; and

     THENCE Southwardly along the westerly side of 7th Avenue, seventy-five (75)
feet five (5) inches to the point or place of BEGINNING.

     ALSO, TOGETHER WITH the Air Rights over the following described parcel
(Block 1024 Lot 131):

     ALL that lot of land in the Borough of Manhattan, County of New York, City
of New York and State of New York, bounded and described as follows:

     BEGINNING at the comer formed by the intersection of the northerly side of
Fifty-Second (52nd) Street with the easterly side of Broadway, as now laid down;

     RUNNING THENCE Easterly along the northerly side of Fifty-Second (52nd)
Street, sixty-one (61) feet ten (10) inches to the outer line of the westerly
wall of the building erected on the premises adjoining on the east of the
premises hereby described;

     RUNNING THENCE Northerly, parallel with the westerly side of Seventh Avenue
and along said line of said wall and a line in prolongation thereof,
seventy-five (75) feet five (5) inches;

     RUNNING THENCE Westerly parallel with the northerly side of Fifty-Second
Street, sixty-nine (69) feet eleven (11) inches to the said easterly side of
Broadway;

     RUNNING THENCE Southerly along the easterly side of Broadway, seventy-five
(75) feet eleven (11) inches to the point or place of BEGINNING.



<PAGE>



     TOGETHER with all right, title and interest, if any, of the party of the
first part in and to any streets and roads abutting the above described premises
to the center lines thereof,

     TOGETHER with the appurtenances and all the estate and rights of the party
of the first part in and to said premises,

     TO HAVE AND TO HOLD the premises herein granted unto the party of the
second part, the heirs or successors and assigns of the party of the second part
forever.

     AND the party of the first part, in compliance with Section 13 of the Lien
Law, covenants that the party of the first part will receive the consideration
for this conveyance and will hold the right to receive such consideration as a
trust fund to be applied first for the purpose of paying the cost of the
improvement and will apply the same first to the payment of the cost of the
improvement before using any part of the total of the same for any other
purpose.

     The word "party" shall be construed as if it read "parties" whenever the
sense of this indenture so requires.



<PAGE>



     IN WITNESS HEREOF, the party of the first part has duly executed this deed
the day and year first above written.


In Presence of:                       810 PARTNERS LLC, a Delaware limited
                                      liability company

- -------------------                   By:    [810 Flatiron Property Corp.], a
                                             Delaware corporation


                                             By:
                                                  -----------------------------
                                                  Bruce R. McLean
                                                  Vice President:

                                      [810 FLATIRON PROPERTY CORP.,] a
                                      Delaware corporation


                                      By:
                                             ----------------------------------
                                             Bruce R. McClean
                                             Vice President



<PAGE>


                              Bargain and Sale Deed

                     WITHOUT COVENANT AGAINST GRANTOR'S ACTS
                   TITLE NO.
                             -------------------------------


                                                    SECTION
                                                    BLOCK
                   810 Partners LLC
                   [810 Flatiron Property Corp.]
                                            LOT
                                                    COUNTY OR TOWN
                            TO

                   810 7th Avenue, L.P.

                                                    Return by Mail To:
                                                    Battle Fowler LLP
                                                    75 East 55th Street
                                                    New York, New York 10022



<PAGE>



                                   EXHIBIT "D"

                         FORM OF QUITCLAIM BILL OF SALE

     For good and valuable consideration, the receipt and sufficiency of which
is hereby acknowledged, the undersigned, 810 PARTNERS LLC, a limited liability
company organized under the laws of the State of Delaware, and [810 Flatiron
Property Corp.] a corporation organized under the laws of the State of Delaware
(collectively, the "Seller"), does hereby quitclaim unto 810 7TH AVENUE, L.P., a
limited partnership organized under the laws of the State of New York (the
"Purchaser"), all of Seller's right, title and interest in and to all equipment,
appliances, tools, machinery, supplies, building materials and other personal
property of every kind and character located on and used in connection with the
Premises and to all intangible personal property associated with the Premises
described in Schedule 1 attached hereto (the "Personalty") relating to the real
property described in Schedule 2 hereto. The conveyance contained in this Quit
Claim Bill of Sale is made without representation or warranty by the Seller of
any kind or nature and is expressly without recourse to the Seller of any kind
or nature whatsoever.

     IN ADDITION TO, AND WITHOUT LIMITATION OF THE FOREGOING, SELLER MAKES NO
WARRANTY, EXPRESS OR IMPLIED, AS TO THE MERCHANTABILITY, TITLE, MARKETABILITY,
FITNESS, OR SUITABILITY FOR A PARTICULAR PURPOSE OF THE ABOVE-DESCRIBED PERSONAL
PROPERTY, AND SAID PROPERTY IS SOLD IN AN "AS IS", "WHERE IS" CONDITION, WITH
ALL FAULTS. BY ACCEPTANCE OF THIS BILL OF SALE, PURCHASER AFFIRMS AND AGREES
THAT (A) PURCHASER HAS NOT RELIED ON SELLER'S SKILL OR JUDGMENT TO SELECT OR
FURNISH SAID PROPERTY FOR ANY PARTICULAR PURPOSE, (B) SELLER MAKES NO WARRANTY
THAT SAID PROPERTY IS FIT FOR ANY PARTICULAR PURPOSE, AND (C) THERE ARE NO
REPRESENTATIONS OR WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, WITH RESPECT TO
SAID PERSONAL PROPERTY. PURCHASER HAS BEEN GIVEN THE OPPORTUNITY TO INSPECT SUCH
PERSONAL PROPERTY AND HAS DETERMINED TO PURCHASE SUCH PERSONAL PROPERTY BASED ON
SUCH INSPECTION.



<PAGE>



     IN WITNESS WHEREOF, intending to be legally bound, the Seller has executed
this instrument as of this ___ day of December, 1997.

                                        SELLER:

                                        810 PARTNERS LLC, a Delaware limited 
                                        liability company

                                        By:  [810 Flatiron Property Corp.], a 
                                             Delaware corporation, 
                                             General Manager


                                        By:
                                             ----------------------------------
                                             Bruce R. McLean
                                             Vice President

                                        [810 FLATIRON PROPERTY CORP.], a
                                        Delaware corporation


                                        By:
                                             ----------------------------------
                                             Bruce R. McLean
                                             Vice President


                                        PURCHASER:

                                        810 7TH AVENUE, L.P., a New York
                                        limited partnership

                                        By:  810 7th Avenue GP LLC, a Delaware
                                             limited liability company, 
                                             General Partner

                                             By:  Tower QRS No. 5 Corp., a
                                                  Delaware corporation, 
                                                  Managing Member


                                                  By:
                                                       ------------------------
                                                       Name:
                                                       Title:



<PAGE>



                                   Schedule I
                                   ----------

                             Schedule of Personalty
                             ----------------------

     All equipment, appliances, tools, machinery, supplies, building materials
and other personal property of every kind and character owned by Seller and
located on and used in connection with that certain land (the "Land") and the
improvements located thereon located in the county of New York, State of New
York, which Land is more particularly described in Schedule 2 attached to the
Bill of Sale to which this Schedule 1 is attached.

     All licenses, permits and other intangible property pertaining to the Land
and the improvements located thereon.



<PAGE>



                                   Schedule 2
                                   ----------

                          Legal Description of the Land
                          -----------------------------

All that certain plot, piece or parcel of land, situate, lying and being in the
Borough of Manhattan, City, County and State of New York, bounded and described
as follows:

BEGINNING at a point on the northerly side of West 52nd Street, opposite the
center of a certain party wall standing partly on the premises and partly on the
premises adjoining on the easterly side thereof, which point is distant
seventy-four feet four inches (as described; seventy-four feet three and
one-half inches as surveyed ) westerly from the northwesterly comer of Seventh
Avenue and West 52nd Street; and

RUNNING THENCE Northerly parallel with the westerly side of Seventh Avenue and
for part of the distance through the center of said party wall seventy-five feet
and five inches;

THENCE Easterly and parallel with the said northerly side of West 52nd Street 74
feet 3-3/4 inches (as described; 74 feet 3-1/2 inches as surveyed) to the
westerly side of Seventh Avenue;

THENCE Northerly along the said westerly side of Seventh Avenue, 125 feet 5
inches to the corner formed by the intersection of the said westerly side of
Seventh Avenue and the southerly side of West 53rd Street;

THENCE Westerly along the said southerly side of West 53rd Street 195 feet 2-3/8
inches to the intersection of the said southerly side of West 53rd Street and
the easterly side of Broadway;

THENCE Southerly along the said easterly side of Broadway, 126 feet 1-1/2
inches, more or less, to a point in a line parallel to the northerly side of
West 52nd Street, 75 feet 5 inches (as described; 75 feet 10-1/4 inches as
surveyed) northerly therefrom measured on a line at right angles to the
northerly side of West 52nd Street;

THENCE Easterly parallel with the said northerly side of West 52nd Street, 69
feet 11 inches;

THENCE Southerly at right angles to the said northerly side of West 52nd Street,
75 feet 5 inches to the said northerly side of West 52nd Street; and

THENCE Easterly along the said northerly side of West 52nd Street, 37 feet 7
inches (as described; 37 feet 6-1/2 inches as surveyed) to the point or place of
BEGINNING.

TOGETHER WITH the Air Rights over the following described parcel (Block 1024 Lot
29):

ALL that certain lot or parcel of land in the Borough of Manhattan, City, County
and State of New York, bounded and described as follows:



<PAGE>


BEGINNING at a point formed by the intersection of the northerly side of 52nd
Street, with the westerly side of 7th Avenue; and

RUNNING THENCE Westwardly along the northerly side of 52nd Street, seventy-four
(74) feet four (4) inches to a point opposite the center line of a sixteen (16)
inch party wall;

THENCE Northwardly parallel with 7th Avenue and part of the distance through the
center of said party wall, seventy-five (75) feet five (5) inches;

THENCE Eastwardly parallel with 52nd Street, seventy-four (74) feet four (4)
inches to the westerly side of 7th Avenue; and

THENCE Southwardly along the westerly side of 7th Avenue, seventy-five (75) feet
five (5) inches to the point or place of BEGINNING.

ALSO, TOGETHER WITH the Air Rights over the following described parcel (Block
1024 Lot 131):

ALL that lot of land in the Borough of Manhattan, County of New York, City of
New York and State of New York, bounded and described as follows:

BEGINNING at the comer formed by the intersection of the northerly side of
Fifty-Second (52nd) Street with the easterly side of Broadway, as now laid down;

RUNNING THENCE Easterly along the northerly side of Fifty-Second (52nd ) Street,
sixty-one (61) feet ten (10) inches to the outer line of the westerly wall of
the building erected on the premises adjoining on the east of the premises
hereby described;

RUNNING THENCE Northerly, parallel with the westerly side of Seventh Avenue and
along said line of said wall and a line in prolongation thereof, seventy-five
(75) feet five (5) inches;

RUNNING THENCE Westerly parallel with the northerly side of Fifty-Second Street,
sixty-nine (69) feet eleven (11) inches to the said easterly side of Broadway;

RUNNING THENCE Southerly along the easterly side of Broadway, seventy-five (75)
feet eleven (11) inches to the point or place of BEGINNING.



<PAGE>



                                   EXHIBIT "E"

                   FORM OF ASSIGNMENT AND ASSUMPTION OF LEASES

     THIS ASSIGNMENT AND ASSUMPTION OF LEASES (this "Assignment") is made as of
the [____] day of December, 1997, by and between 810 PARTNERS LLC, a Delaware
limited liability company organized under the laws of the State of Delaware,
having an office at c/o Credit Suisse First Boston LLC, 11 Madison Avenue, 7th
Floor, New York, New York 10010 and [810 FLATIRON PROPERTY CORP.], a Delaware
corporation, having an office at c/o Credit Suisse First Boston LLC, 11 Madison
Avenue, 7th Floor, New York, New York 10010 (collectively, "Assignor"), and 810
7TH AVENUE, L.P., a New York limited partnership, having an office c/o Tower
Realty Trust, Inc., 292 Madison Avenue, New York, New York 10117 ("Assignee").

                               W I T N E S S E T H

     WHEREAS, Assignor is the landlord under the leases set forth on Schedule A
attached hereto and made a part hereof (the "Leases") , pursuant to which
Leases, Assignor has demised to the tenants thereunder certain premises located
at 810 Seventh Avenue, New York, New York (the "Building");

     WHEREAS, Assignor and Assignee are parties to that certain Sale-Purchase
Agreement, dated as of December 31, 1997 (the "Agreement"), pursuant to which
Agreement, Assignor has agreed to sell to Assignee, and Assignee has agreed to
purchase from Assignor, the Building; and

     WHEREAS, in connection with the Agreement (i) Assignor is required to
assign, transfer and convey to Assignee all of Assignor's right, title and
interest in, to and under the Leases, together with any and all right, title,
estate and interest of Assignor in and to such security deposits and prepaid
rents, if any, as have been paid to Assignor pursuant to such Leases, less any
amounts deducted therefrom as provided in Section 6.9 of the Agreement
(collectively, the "Security Deposits") and (ii) Assignee is required to accept
such assignment and to assume Assignor's obligations under the Leases and the
Security Deposits from and after the date hereof.

     NOW, THEREFORE, in consideration of the sum of Ten Dollars ($10.00) and
other good and valuable consideration, the mutual receipt and sufficiency of
which are hereby acknowledged, the parties hereto hereby agree as follows:

     1. Unless otherwise stated herein, all capitalized terms used in this
Assignment shall have the meanings specified in the Agreement.



<PAGE>



     2. Subject to the terms of the Agreement, Assignor hereby assigns,
transfers, releases and sets over unto Assignee all of the right, title and
interest of Assignor in and to (i) the Leases, (ii) the Security Deposits, and
(iii) the accounts and [letters of credit] referred to on Schedule B (the
"Security Deposit Accounts"), which Security Deposit Accounts contain all
Security Deposits held by Seller (including all accrued interest thereon) [and
which letters of credit constitute all letters of credit evidencing Security
Deposits].

     3. Assignee hereby accepts the foregoing assignment and hereby assumes (a)
all of the obligations of Assignor under the Leases arising from and after the
Closing Date and (b) all obligations of Assignor with respect to the Security
Deposits and the Security Deposit Accounts, including, without limitation, the
obligation to return same to the tenants under the Leases in accordance with the
terms of such Leases.

     4. Assignor and Assignee shall cooperate to notify any third party
institutions holding the Security Deposit Accounts of the transfer of title
thereto from Assignor to Assignee.

     5. This Assignment may not be amended, modified or terminated except by an
instrument in writing executed by the parties hereto.

     6. This Assignment shall be binding upon and shall inure to the benefit of
the parties hereto and their respective successors and assigns.

     7. This Assignment may be executed in counterparts, each of which shall
constitute an original, and all of which taken together shall constitute one and
the same instrument.

     8. The provisions hereof are subject to the provisions of Section 19 of the
Agreement.



<PAGE>



     IN WITNESS WHEREOF, intending to be legally bound the parties hereto have
executed this Assignment as of the day and year first above written.

                                     Assignor:

                                     810 PARTNERS LLC, a Delaware limited 
                                     liability company

                                     By: [810 Flatiron Property Corp.], a 
                                         Delaware corporation, General Manager


                                         By:
                                            -----------------------------------
                                            Name:
                                            Title:


                                     [810 FLATIRON PROPERTY CORP.], a
                                     Delaware corporation


                                     By:
                                        ---------------------------------------
                                        Bruce R. McLean
                                        Vice President


                                     Assignee:

                                     810 7TH AVENUE, L.P., a New York
                                     limited partnership

                                     By:  810 7th Avenue GP LLC, a Delaware
                                          limited liability company, 
                                          General Partner

                                          By: Tower QRS No. 5 Corp., a Delaware
                                              corporation, Managing Member

                                              By:
                                                 ------------------------------
                                                 Name:
                                                 Title:



<PAGE>



                                   Schedule A
                                   ----------

                                     Leases
                                     ------



<PAGE>


                                   Schedule B
                                   ----------

                            Security Deposit Accounts
                            -------------------------

Institution         Account No.              Tenant              Deposit
- -----------         -----------              ------              -------









<PAGE>



                                   EXHIBIT "F"

             FORM OF ASSIGNMENT AND ASSUMPTION OF SERVICE CONTRACTS

     THIS ASSIGNMENT AND ASSUMPTION OF SERVICE CONTRACTS (this "Assignment") is
made as of the [__] day of December, 1997, by and between 810 PARTNERS LLC, a
Delaware limited liability company organized under the laws of the State of
Delaware, having an office at c/o Credit Suisse First Boston LLC, 11 Madison
Avenue, 7th Floor, New York, New York 10010 and [810 FLATIRON PROPERTY CORP.], a
Delaware corporation, having an office at c/o Credit Suisse First Boston LLC, 11
Madison Avenue, 7th Floor, New York, New York 10010 (collectively, "Assignor"),
and 810 7TH AVENUE, L.P., a New York limited partnership, having an office c/o
Tower Realty Trust, Inc., 292 Madison Avenue, New York, New York 10117
("Assignee").

                                   WITNESSETH

     WHEREAS, Assignor has entered into those certain service contracts and work
letters set forth on Schedule A attached hereto and made a part hereof (the
"Service Contracts"), in connection with certain real property located at 810
Seventh Avenue, New York, New York, and more particularly described on Schedule
B attached hereto (the "Premises");

     WHEREAS, Assignor and Assignee are parties to that certain Sale-Purchase
Agreement, dated as of December 31, 1997 (the "Agreement"), pursuant to which
Agreement, Assignor has agreed to sell to Assignee, and Assignee has agreed to
purchase from Assignor, the Premises; and

     WHEREAS, in connection with the Agreement, Assignor is required to assign,
transfer and convey to Assignee all of Assignor's right, title and interest in,
to and under the Service Contracts and Assignee is required to accept such
assignment and to assume Assignor's obligations under the Service Contracts from
and after the date hereof.

     NOW, THEREFORE, in consideration of the sum of Ten Dollars ($10.00) and
other good and valuable consideration, the mutual receipt and sufficiency of
which are hereby acknowledged, the parties hereto hereby agree as follows:

     1. Unless otherwise stated herein, all capitalized terms used in this
Assignment shall have the meanings specified in the Agreement.

     2. Assignor hereby assigns, transfers, releases and sets over unto Assignee
all of the right, title and interest of Assignor in and to the Service
Contracts.


                                       -1-

<PAGE>



     3. Assignee hereby accepts the foregoing assignment and hereby assumes all
of the obligations of Assignor under the Service Contracts from, after and
including the Closing Date.

     4. This Assignment shall be binding upon and shall inure to the benefit of
the parties hereto and their respective successors and assigns.

     5. This Assignment may be executed in counterparts, each of which shall
constitute an original, and all of which taken together shall constitute one and
the same instrument.

     6. The provisions hereof are subject to the provisions of Section 19 of the
Agreement.



                                       -2-

<PAGE>



     IN WITNESS WHEREOF, intending to be legally bound, the parties hereto have
executed this Assignment as of the day and year first above written.


                                   Assignor:

                                   810 PARTNERS LLC, a Delaware limited 
                                   liability company

                                   By:  [810 Flatiron Property Corp.], a 
                                        Delaware corporation, 
                                        General Manager


                                        By:  
                                             ----------------------------------
                                             Name:
                                             Title:

                                   [810 FLATIRON PROPERTY CORP.], a
                                   Delaware corporation


                                   By:  
                                        ---------------------------------------
                                        Bruce R. McLean
                                        Vice President

                                   Assignee:

                                   810 7TH AVENUE, L.P., a New York
                                   limited partnership

                                   By:  810 7th Avenue GP LLC, a Delaware
                                        limited liability company, 
                                        General Partner

                                        By:  Tower QRS No. 5 Corp., a
                                             Delaware corporation, 
                                             Managing Member


                                             By:  
                                                  -----------------------------
                                                  Name:
                                                  Title:



                                       -3-

<PAGE>



                                   Schedule A
                                   ----------

                                Service Contracts
                                -----------------



                                       -4-

<PAGE>



                                   Schedule B
                                   ----------

                          Legal Description of the Land
                          -----------------------------

All that certain plot, piece or parcel of land, situate, lying and being in the
Borough of Manhattan, City, County and State of New York, bounded and described
as follows:

BEGINNING at a point on the northerly side of West 52nd Street, opposite the
center of a certain party wall standing partly on the premises and partly on the
premises adjoining on the easterly side thereof, which point is distant
seventy-four feet four inches (as described; seventy-four feet three and
one-half inches as surveyed ) westerly from the northwesterly comer of Seventh
Avenue and West 52nd Street; and

RUNNING THENCE Northerly parallel with the westerly side of Seventh Avenue and
for part of the distance through the center of said party wall seventy-five feet
and five inches;

THENCE Easterly and parallel with the said northerly side of West 52nd Street 74
feet 3-3/4 inches (as described; 74 feet 3-1/2 inches as surveyed) to the
westerly side of Seventh Avenue;

THENCE Northerly along the said westerly side of Seventh Avenue, 125 feet 5
inches to the corner formed by the intersection of the said westerly side of
Seventh Avenue and the southerly side of West 53rd Street;

THENCE Westerly along the said southerly side of West 53rd Street 195 feet 2-3/8
inches to the intersection of the said southerly side of West 53rd Street and
the easterly side of Broadway;

THENCE Southerly along the said easterly side of Broadway, 126 feet 1-1/2
inches, more or less, to a point in a line parallel to the northerly side of
West 52nd Street, 75 feet 5 inches (as described; 75 feet 10-1/4 inches as
surveyed) northerly therefrom measured on a line at right angles to the
northerly side of West 52nd Street;

THENCE Easterly parallel with the said northerly side of West 52nd Street, 69
feet 11 inches;

THENCE Southerly at right angles to the said northerly side of West 52nd Street,
75 feet 5 inches to the said northerly side of West 52nd Street; and

THENCE Easterly along the said northerly side of West 52nd Street, 37 feet 7
inches (as described; 37 feet 6-1/2 inches as surveyed) to the point or place of
BEGINNING.

TOGETHER WITH the Air Rights over the following described parcel (Block 1024 Lot
29):

ALL that certain lot or parcel of land in the Borough of Manhattan, City, County
and State of New York, bounded and described as follows:



                                       -5-

<PAGE>


BEGINNING at a point formed by the intersection of the northerly side of 52nd
Street, with the westerly side of 7th Avenue; and

RUNNING THENCE Westwardly along the northerly side of 52nd Street, seventy-four
(74) feet four (4) inches to a point opposite the center line of a sixteen (16)
inch party wall;

THENCE Northwardly parallel with 7th Avenue and part of the distance through the
center of said party wall, seventy-five (75) feet five (5) inches;

THENCE Easterly parallel with 52nd Street, seventy-four (74) feet four (4)
inches to the westerly side of 7th Avenue; and

THENCE Southwardly along the westerly side of 7th Avenue, seventy-five (75) feet
five (5) inches to the point or place of BEGINNING.

ALSO, TOGETHER WITH the Air Rights over the following described parcel (Block
1024 Lot 131):

ALL that lot of land in the Borough of Manhattan, County of New York, City of
New York and State of New York, bounded and described as follows:

BEGINNING at the comer formed by the intersection of the northerly side of
Fifty-Second (52nd) Street with the easterly side of Broadway, as now laid down;

RUNNING THENCE Easterly along the northerly side of Fifty-Second (52nd) Street,
sixty-one (61) feet ten (10) inches to the outer line of the westerly wall of
the building erected on the premises adjoining on the east of the premises
hereby described;

RUNNING THENCE Northerly, parallel with the westerly side of Seventh Avenue and
along said line of said wall and a line in prolongation thereof, seventy-five
(75) feet five (5) inches;

RUNNING THENCE Westerly parallel with the northerly side of Fifty-Second Street,
sixty-nine (69) feet eleven (11) inches to the said easterly side of Broadway;

RUNNING THENCE Southerly along the easterly side of Broadway, seventy-five (75)
feet eleven (11) inches to the point or place of BEGINNING.



                                       -6-

<PAGE>



                                  EXHIBIT "G-1"

              FORM OF ASSIGNMENT AND ASSUMPTION OF AIR RIGHTS LEASE

     THIS ASSIGNMENT AND ASSUMPTION OF AIR RIGHTS LEASE (this "Assignment") is
made as of the [___] day of December, 1997, by and between 810 PARTNERS LLC, a
Delaware limited liability company organized under the laws of the State of
Delaware, having an office at c/o Credit Suisse First Boston LLC, 11 Madison
Avenue, 7th Floor, New York, New York 10010 and [810 FLATIRON PROPERTY CORP.], a
Delaware corporation, having an office at c/o Credit Suisse First Boston LLC, 11
Madison Avenue, 7th Floor, New York, New York 10010 (collectively, "Assignor"),
and 810 7TH AVENUE, L.P., a New York limited partnership, having an office c/o
Tower Realty Trust, Inc., 292 Madison Avenue, New York, New York 10117
("Assignee").

                                   WITNESSETH

     WHEREAS, Assignor has entered into that certain air rights lease set forth
on Schedule A attached hereto and made a part hereof (the "Lease"), in
connection with certain real property located at 810 Seventh Avenue, New York,
New York (the "Premises");

     WHEREAS, Assignor and Assignee are parties to that certain Sale-Purchase
Agreement, dated as of December 31, 1997 (the "Agreement"), pursuant to which
Agreement, Assignor has agreed to sell to Assignee, and Assignee has agreed to
purchase from Assignor, the Premises; and

     WHEREAS, in connection with the Agreement, Assignor is required to assign,
transfer and convey to Assignee all of Assignor's right, title and interest in,
to and under the Lease and Assignee is required to accept such assignment and to
assume Assignor's obligations under the Lease from and after the date hereof.

     NOW, THEREFORE, in consideration of the sum of Ten Dollars ($10.00) and
other good and valuable consideration, the mutual receipt and sufficiency of
which are hereby acknowledged, Assignor does hereby sell, assign, transfer, set
over and deliver unto Assignee, all of Assignor's right, title and interest in
the Lease.

     TO HAVE AND TO HOLD, the same unto Assignee, its successors and assigns
from the date hereof for the rest of the years mentioned in said Lease, together
with all rights and options provided therein and subject to the terms,
covenants, conditions and provisions therein also mentioned.

     Assignee hereby assumes the performance of all terms, covenants and
conditions of the Lease herein assigned by Assignor to Assignee required to be
performed from and after the date hereof and agrees to pay the rent reserved by
the Lease until the termination of the Lease and will well and truly perform all
such terms, covenants and conditions of the Lease herein



<PAGE>



assigned; all with full force and effect as if Assignee had signed the Lease
originally as tenant named therein.

     IN WITNESS WHEREOF, intending to be legally bound the parties hereto have
executed this Assignment as of the day and year first above written.


Assignor:

                                        810 PARTNERS LLC, a Delaware limited 
                                        liability company

                                        By:  [810 Flatiron Property Corp.], a 
                                             Delaware corporation, 
                                             General Manager


                                            By:   
                                                  -----------------------------
                                                  Bruce R. McLean
                                                  Vice President

                                        [810 FLATIRON PROPERTY CORP.], a 
                                        Delaware corporation


                                        By:  
                                             ----------------------------------
                                             Bruce R. McLean
                                             Vice President


                                        Assignee:

                                        810 7TH AVENUE, L.P., a New York 
                                        limited partnership

                                        By:  810 7th Avenue GP LLC, a Delaware 
                                             limited liability company, 
                                             General Partner

                                             By:  Tower QRS No. 5 Corp., a 
                                                  Delaware corporation, 
                                                  Managing Member


                                                  By:
                                                       ------------------------
                                                       Name:
                                                       Title:


                                                                     Exhibit 2.2

                                LOAN AGREEMENT


                          Dated as of December 31, 1997


                                 By and Between


                 CREDIT SUISSE FIRST BOSTON MORTGAGE CAPITAL LLC

                                       AND


                              810 7th AVENUE, L.P.




                              LOCATION OF PROPERTY:
                               810 Seventh Avenue
                               New York, New York






<PAGE>



                                TABLE OF CONTENTS

                                                                           PAGE


ARTICLE  1   PARTICULAR TERMS; DEFINITIONS....................................1


ARTICLE  2   THE LOAN........................................................13
           2.1     Funding...................................................13
           2.2     Loan Term.................................................13
                     2.2.1  Maturity Date....................................13
                     2.2.2  Extension Option.................................13
           2.3     Interest..................................................14
                     2.3.1  Interest Rate....................................14
                     2.3.2  Calculation of Interest..........................14
           2.4     Payments..................................................14
                     2.4.1  Interest.........................................14
                     2.4.2  Repayment of Outstanding Principal Balance.......14
                     2.4.3  General..........................................14
           2.5     Funding Losses; Change in Law, Etc........................15
           2.6     Prepayment................................................17
           2.7     Default Interest; Late Charge.............................17
           2.8     Excess Interest...........................................17
           2.9     Loan Taxes................................................18
           2.10   Uses of Loan Proceeds......................................20
           2.11   Servicing..................................................20


ARTICLE  3   CERTAIN REPRESENTATIONS AND WARRANTIES OF BORROWER..............20
           3.1     Borrower Organization, Enforceability, Etc................20
           3.2     Borrower Address..........................................21
           3.3     Borrower's Organizational Documents.......................21
           3.4     Managing Member's Organizational Documents................21
           3.5     Title.....................................................22
           3.6     Valid Liens...............................................22
           3.7     Uses......................................................22
           3.8     No Structural Defects.....................................22
           3.9     Compliance with Zoning, Etc...............................22
           3.10   No Condemnation............................................23
           3.11   No Casualty................................................23
           3.12   Purchase Options...........................................23
           3.13   No Encroachments...........................................23
           3.14   Litigation.................................................23
           3.15   No Conflict with Law or Agreements.........................23
           3.16   Personal Property..........................................23

                                       (i)



<PAGE>



           3.17   Easements; Access; Utilities................................24
           3.18   No Flood Hazard, Etc........................................24
           3.19   Premises Taxed as a Separate Tax Lot........................24
           3.20   Leases......................................................24
           3.21   Environmental...............................................25
           3.22   Americans with Disabilities Act.............................26
           3.23   No Default..................................................26
           3.24   No Offsets..................................................26
           3.25   Financial Statements........................................26
           3.26   No Insolvency...............................................27
           3.27   Fraudulent Conveyance.......................................27
           3.28   Broker......................................................27
           3.29   Fiscal Year.................................................27
           3.30   No Other Financing..........................................27
           3.31   ERISA.......................................................27
           3.32   FIRPTA......................................................28
           3.33   PUHCA.......................................................28
           3.34   Insurance...................................................28
           3.35   No Margin Stock.............................................28
           3.36   Investment Company Act......................................28
           3.37   Taxes.......................................................28
           3.38   Full and Accurate Disclosure................................28
           3.39   Contracts...................................................29
           3.40   Other Obligations and Liabilities...........................29


ARTICLE  4   CERTAIN COVENANTS OF BORROWER....................................29
           4.1     Payment and Performance of Obligations.....................29
           4.2     Transfers..................................................29
           4.3     Liens......................................................30
           4.4     Indebtedness...............................................31
           4.5     Compliance with Restrictive Covenants, Etc.................32
           4.6     Leases.....................................................32
           4.7     Delivery of Notices........................................34
           4.8     ERISA......................................................35
           4.9     Agreements with Affiliates.................................36
           4.10   After Acquired Property.....................................36
           4.11   Books and Records...........................................36
           4.12   Delivery of Estoppel Certificates...........................36
           4.13   Management, Etc.............................................36
                     4.13.1  Management.......................................36
                     4.13.2  Management Termination...........................37
           4.14   Financial Statements; Audit Rights..........................37
                     4.14.1  Statements to be Delivered.......................37
                     4.14.2  Time for Delivery................................38

                                      (ii)



<PAGE>



                     4.14.3  Officer's Certificate............................38
           4.15   Maintenance of Non-Taxable Status...........................39
           4.16   Lender's Attorneys' Fees and Expenses.......................39
           4.17   Environmental...............................................40
           4.18   Report Updates..............................................41
           4.19   Lender Access to Premises...................................42
           4.20   Delivery of Documents Regarding Ownership...................42
           4.21   Use of Premises.............................................42
           4.22   Insurance...................................................42


           ARTICLE  5   EVENTS OF DEFAULT.....................................42
           5.1     Events of Default; Defaults................................42
                     5.1.1    Non-Payment.....................................42
                     5.1.2    Affirmative Covenants...........................42
                     5.1.3    Negative Covenants..............................43
                     5.1.4    Financial Statements............................43
                     5.1.5    Representations.................................43
                     5.1.6    Other Loan Documents............................43
                     5.1.7    Demolition or Alterations.......................43
                     5.1.8    Failure to Deliver Estoppel Certificate.........43
                     5.1.9    Reserves; Deposits..............................43
                     5.1.10  Cessation of Borrower............................43
                     5.1.11  Transfer.........................................44
                     5.1.12  Liens............................................44
                     5.1.13  Involuntary Bankruptcy, Etc......................44
                     5.1.14  Voluntary Bankruptcy, Etc........................44
                     5.1.15  Judgments........................................44
                     5.1.16  Termination or Modification of Leases............44
                     5.1.17  Organizational Documents.........................44
                     5.1.18  Delivery of Financial Statements.................45
                     5.1.19  ERISA............................................45
                     5.1.20  Termination of Management Agreement, etc.........45
                     5.1.21  Other Conditions for Acceleration................45
                     5.1.23  Denial of Obligation.............................45
                     5.1.24  Misapplication of Receipts.......................45
                     5.1.25  Failure to Provide Further Assurances............45
           5.2     Rights upon Event of Default...............................46
           5.3     Waiver of Stay, Extension and Moratorium Laws, 
                    Appraisal  and Valuation, redemption and Marshalling......46
           5.4     Preferences............................................... 47


ARTICLE  6   GENERAL PROVISIONS.............................................. 47
           6.1     Rights Cumulative; Waivers................................ 47
           6.2     Lender's Action for its Own Protection Only............... 48

                                      (iii)



<PAGE>



           6.3     No Third Party Beneficiaries...............................48
           6.4     Payment of Expenses, Etc...................................49
                     6.4.1    Payment of Expenses.............................49
                     6.4.2    Advances Secured................................50
           6.5     Indemnification............................................50
           6.6     Notices....................................................51
           6.7     No Oral Modification.......................................53
           6.8     Assignment by Lender.......................................53
                     6.8.1    Assignment......................................53
                     6.8.2    Participations..................................53
                     6.8.3    Assignment and Acceptance.......................53
                     6.8.4    Other Business..................................54
                     6.8.5    Privity of Contract.............................54
                     6.8.6.   Availability of Records.........................54
           6.9     Severability...............................................54
           6.10   No Assignment by Borrower...................................54
           6.11   Governing Law...............................................54
           6.12   Successors and/or Assigns...................................54
           6.13   Entire Contract.............................................54
           6.14   Liability...................................................54
           6.15   Counterparts; Headings......................................55
           6.16   Time of the Essence.........................................55
           6.17   Consents....................................................55
                     6.17.1  No Subsequent Consent............................55
                     6.17.2  Withholding of Consent...........................55
           6.18   No Partnership..............................................56
           6.19   Waiver of Jury Trial........................................56
           6.20   Limited Recourse............................................56
           6.21   Limitation on Liability.....................................58
           6.22   Jurisdiction, Venue, Service of Process.....................58
           6.23   Appointment of Agent for Service of Process.................59
           6.24   Rule of Construction........................................59
           6.25   Further Assurances..........................................59
           6.26   Recitals....................................................60
           6.27   Placement of Loan...........................................60
                     6.27.1  Loan Pool........................................60
                     6.27.2  Rating Agency Requirements.......................60
                     6.27.3  Disclosure; Indemnification......................61
                     6.27.4  Trustee..........................................62
                     6.27.5  Information Access...............................63
                     6.27.6  Timing of Transfer or Placement..................63


ARTICLE  7   SPECIAL PROVISIONS...............................................64
           7.1     Tax, Insurance and Air Rights Lease Escrow.................64

                                      (iv)



<PAGE>



                     7.1.1    Tax, Insurance and Air Rights Lease Deposits....64
                     7.1.2    Payment of Taxes, Insurance Premiums and Air
                              Rights Lease Rentals............................64
                     7.1.3    Application upon Event of Default...............65
                     7.1.4    Reliance........................................65
                     7.1.5    Intentionally Omitted...........................65
                     7.1.6    No Third Party Beneficiary......................65
           7.2     Receipts...................................................65
                     7.2.1    Deposits into Clearing Account..................65
                     7.2.2    Application of Receipts.........................65


ARTICLE  8   SINGLE PURPOSE ENTITY/SEPARATENESS...............................66
           8.1     Representations, Warranties and Covenants..................66



SCHEDULES
Schedule A-1         Description of Land
Schedule A-2   Description of Air Rights Leases
Schedule B           Contracts
Schedule C           Leases
Schedule D           Litigation
Schedule E           Contingent Liabilities



                                       (v)



<PAGE>



                                 LOAN AGREEMENT


           THIS LOAN AGREEMENT (as amended from time to time in accordance  with
the terms  hereof and in effect,  this  "Agreement"),  dated as of December  31,
1997, by and between CREDIT SUISSE FIRST BOSTON MORTGAGE CAPITAL LLC, a Delaware
limited liability company having an address at 11 Madison Avenue,  New York, New
York 10010, its successors and/or assigns ("Lender"),  and 810 7th Avenue, L.P.,
a New York limited  partnership,  having an address at c/o Tower  Realty  Trust,
Inc., 292 Madison Avenue, New York, New York 10017 ("Borrower").


                              W I T N E S S E T H:

           WHEREAS,  Borrower  has entered  into a contract to purchase  the fee
estate in a certain  tract of land known as 810 Seventh  Avenue,  New York,  New
York,  as more  particularly  described  in  Schedule  A-1  annexed  hereto (the
"Land"), and the building and other improvements located thereon  (collectively,
the "Improvements"), together with certain leasehold estates appurtenant thereto
pursuant to the Air Rights Leases (as hereinafter defined);

           WHEREAS,  Borrower has  requested  Lender to lend to it the principal
sum of ONE HUNDRED MILLION AND 00/100 DOLLARS  ($100,000,000.00) (the "Loan") to
be used to acquire the  Premises  (as  hereinafter  defined)  and to pay certain
closing costs; and

           WHEREAS,  Lender has advised  Borrower that,  subject to the terms of
this  Agreement  and the documents to be executed in  connection  herewith,  and
based  upon the  representations,  warranties,  covenants  and  undertakings  of
Borrower  herein and  therein  contained,  Lender is willing to make the Loan to
Borrower on the terms and conditions set forth herein and therein.

           NOW, THEREFORE,  in consideration of the above premises and for other
good and  valuable  consideration,  the receipt and adequacy of which are hereby
acknowledged, Lender and Borrower hereby agree as follows:


                                    ARTICLE 1
                          PARTICULAR TERMS; DEFINITIONS

           For all purposes of this  Agreement,  the following  terms shall have
the respective meanings hereinafter specified, such definitions to be applicable
equally to the singular and plural forms of such terms:

           "ACM" shall mean asbestos-containing materials.

           "Affiliate"  shall mean,  with respect to a specified  Person,  (i) a
Person who, directly or indirectly through one or more intermediaries, controls,
is controlled by or is under common control with, the specified Person, (ii) any
Person who is an officer,  director,  partner, manager, employee, or trustee of,
or serves in a similar  capacity  with  respect to, the  specified  Person or of
which the

                                       -1-



<PAGE>



specified Person is an officer,  partner, manager or trustee, or with respect to
which the specified Person serves in a similar  capacity,  (iii) any Person who,
directly or indirectly,  has an Ownership Interest in the specified Person, (iv)
any Person in which the  specified  Person has an  Ownership  Interest,  (v) the
spouse,  issue,  or parent of the  specified  Person,  and (vi) any Person which
would  constitute  an  Affiliate  of any such  Person  described  in clauses (i)
through (v) above.

           "Affirmative Covenant" shall mean a promise or covenant by any Person
to perform, act, suffer, permit or consent to.

           "Agreement"  shall  have the  meaning  ascribed  to such  term in the
introductory paragraph hereof.

           "Agreement  of  Principal"  shall  mean  that  certain  Agreement  of
Principal dated the date hereof executed by Limited Partner in favor of Lender.

           "Air Rights Lease Rentals" shall mean all rent,  additional  rent and
other amounts (however  characterized)  payable from time to time by Borrower to
the lessor under any of the Air Rights Leases.

           "Air Rights Leases" shall mean those leases described on Schedule A-2
attached hereto and made a part hereof.

           "Approved  Accountant"  shall  mean one of the  so-called  "Big  Six"
accounting  firms or such  other  independent  certified  public  accountant  of
nationally  recognized  standing  selected by the Person required to deliver the
applicable  Financial  Statements  and other  reports  specified  herein,  which
Approved Accountant shall be approved by Lender.  Lender hereby approves Kinsey,
Beck and Company as the Approved Accountant as of the date hereof.

           "Approved  Budget"  shall have the  meaning  ascribed to such term in
Section 4.14.1 (iv) hereof.

           "Approved  Contracts"  shall mean the Contracts  listed on Schedule B
annexed hereto.

           "Approved  Leases"  shall  mean the  Leases  set forth on  Schedule C
annexed  hereto and all Leases  entered into after the date of this Agreement in
accordance with Section 4.6 hereof.

           "Assignees"  shall have the meaning  ascribed to such term in Section
6.8.1 hereof.

           "Assignment  of Leases and Rents" shall mean that certain  Assignment
of Leases and Rents,  dated as of the date hereof,  made by Borrower in favor of
Lender,  relating to the Loan,  as the same may hereafter be amended or modified
from time to time.

           "Bankruptcy  Code" shall mean Title 11 of the United  States Code, 11
U.S.C. ss.ss.101 et seq., as amended.


                                       -2-


<PAGE>



           "Base  Rate"  shall mean the rate per annum  equal to (i) one percent
(1.0%) in excess of the then applicable Treasury Rate during the period prior to
and  including the  Scheduled  Maturity  Date and,  (ii) nine percent  (9.0%) in
excess of the Treasury Rate at any time after the Maturity Date.

           "best  knowledge" or "knowledge"  shall mean, for the purpose of this
Agreement and the other Loan  Documents,  the actual  knowledge of the Person in
question,  without  duty of inquiry  unless the  applicable  provision  shall so
state.  If any entity with respect to which this term would be  applicable  is a
corporation,  knowledge  of such entity  shall refer to actual  knowledge of its
officers or directors.  If any such entity is a  partnership,  knowledge of such
entity shall refer to actual  knowledge of each of its partners who participates
in the  management of such  partnership  (directly or  indirectly).  If any such
entity is a limited liability  company,  knowledge of such entity shall refer to
actual  knowledge of its managing  members.  The knowledge or best  knowledge of
Borrower  for  purposes of this  definition  shall mean the actual  knowledge of
Lawrence Feldman, without obligation to make inquiry of any kind.

           "Borrower"  shall  have  the  meaning  ascribed  to such  term in the
introductory paragraph hereof.

           "Capital  Adequacy  Events"  shall have the meaning  ascribed to such
term in Section 2.5(d) hereof.

           "Cash  Management  Agreement" shall mean that certain Cash Management
Agreement, dated as of the date hereof, between Borrower and Lender, as the same
may be amended or modified from time to time.

           "CERCLA"  shall  mean  the  Comprehensive   Environmental   Response,
Compensation and Liability Act (42 U.S.C.  ss.960,  et seq.), as the same may be
amended from time to time.

           "Certificates"  means  the  securities  issued in  connection  with a
Securitization of the Loan.

           "Claim"  shall  have the  meaning  ascribed  to such term in  Section
6.5(b) hereof.

           "Clearing  Account"  shall have the meaning  ascribed to such term in
the Cash Management Agreement.

           "Closing  Date" shall mean the time of execution and delivery of this
Agreement by Borrower to Lender.

           "Closing  Statement"  shall have the meaning ascribed to such term in
Section 2.10 hereof.

           "Collateral"  shall mean all collateral  pledged to Lender in respect
of the Loan hereunder or under any of the other Loan Documents.

           "Collection  Period" shall have the meaning  ascribed to such term in
the Cash Management Agreement.

                                       -3-


<PAGE>



           "Code" shall mean the Internal  Revenue Code of 1986, as amended from
time to time.

           "Contest"  shall have the  meaning  ascribed  to such term in Section
6.20 hereof.

           "Contract"  shall  mean  (i) any  management,  brokerage  or  leasing
agreement  or (ii) any  cleaning,  maintenance,  service  or other  contract  or
agreement of any kind (other than Leases) of a material nature  (materiality for
these purposes to include  contracts in excess of $10,000 or which extend beyond
one year (unless cancelable on thirty (30) days or less notice)), in either case
relating to the ownership,  leasing,  management,  use, operation,  maintenance,
repair or restoration of the Premises, whether written or oral.

           "control"   (and   the   correlative   terms   "controlled   by"  and
"controlling")  shall mean, with respect to a specified Person,  the possession,
directly or  indirectly,  of the power to direct or cause the  direction  of the
management  or policies of such  Person,  whether  through  ownership  of voting
securities  or  partnership  or  other  ownership  interests,   by  contract  or
otherwise;  provided,  however,  that,  without  limiting the  generality of the
foregoing,  (i) any Person (including family members of such Person) which owns,
directly or indirectly,  securities representing twenty percent (20%) or more of
the value or ordinary  voting power of a corporation  or twenty percent (20%) or
more of the partnership or other Ownership  Interests (based upon value or vote)
of any other Person is deemed to control such corporation or other Person,  (ii)
a general  partner shall always be deemed to control any partnership of which it
is a  general  partner,  and  (iii) a  manager  or  member-manager  of a limited
liability  company  shall  always be deemed to  control  any  limited  liability
company of which it is a manager or member-manager, as the case may be.

           "Default" shall have the meaning ascribed to such term in Section 5.1
hereof.

           "Default  Rate"  shall  have the  meaning  ascribed  to such  term in
Section  2.7  hereof.  In no event  shall the  Default  Rate  exceed the maximum
interest rate permitted under applicable law.

           "Deposit  Bank" shall have the  meaning  ascribed to such term in the
Cash Management Agreement.

           "Designated Officer" shall mean (i) if Borrower is a corporation, the
chief  financial  officer  of such  corporation  or such  other  officer of such
corporation as is fully  familiar with the financial  affairs of Borrower and is
approved  by  Lender,  (ii)  if  Borrower  is a  partnership,  such  officer  of
Borrower's  managing  general  partner as satisfies  the first  sentence of this
definition, or (iii) if Borrower is a limited liability company, such officer of
Borrower's managing member as satisfies the first sentence of this definition.

           "Designee"  shall have the  meaning  ascribed to such term in Section
6.23 hereof.

           "Disbursement  Instructions"  shall have the meaning ascribed to such
term in the Cash Management Agreement.

           "Disbursement  Period"  shall mean a period of thirty  (30)  calendar
days.

                                       -4-


<PAGE>



           "Disclosed  Violations"  shall have the meaning ascribed to such term
in Section 3.9 hereof.

           "Disclosure Document" shall have the meaning ascribed to such term in
Section 6.27.3 hereof.

           "Disqualified Person" shall have the meaning ascribed to such term in
Section 3.31 hereof.

           "Dollar"  or "$" shall  mean  lawful  money of the  United  States of
America.

           "Domestic Business Day" shall mean any day except a Saturday,  Sunday
or other day on which commercial banks are required or permitted by law to close
in New York City.

           "Easements"  shall have the meaning  ascribed to such term in Section
2.7 hereof.

           "Engineering  Consultant" shall mean Aquaterra Environmental Services
Corp.

           "Engineer's  Report"  shall mean the  report  dated  August 18,  1997
prepared by the Engineering Consultant.

           "Entities"  shall have the  meaning  ascribed to such term in Section
6.27.2(i) hereof.

           "Environmental    Consultant"   shall   mean   General   Consolidated
Industries.

           "Environmental  Costs" shall mean "Indemnified Costs" as such term is
defined in the Environmental Indemnification Agreement.

           "Environmental  Indemnification  Agreement"  shall mean that  certain
Environmental  Indemnification  Agreement,  dated as of the date hereof, made by
Borrower and Limited Partner to Lender,  as the same may hereafter be amended or
modified from time to time.

           "Environmental Laws" shall mean CERCLA; The Resource Conservation and
Recovery  Act,  42  U.S.C.   ss.  6901,  et  seq.;   The  Hazardous   Substances
Transportation  Act, 42 U.S.C.  ss.  9601,  et seq.;  The  Emergency  Planning &
Community  Right-to-Know  Act of 1986, 42 U.S.C.  ss. 11001,  et seq.; The Toxic
Substances Control Act, 15 U.S.C. ss. 2601 et seq.; The Clean Air Act, 42 U.S.C.
ss.  7401 et seq.;  The Clean Water Act,  33 U.S.C.  ss. 1251 et seq.;  The Safe
Drinking  Water Act, 42 U.S.C.  ss. 201 et seq.;  as any of the foregoing may be
amended  from time to time;  and any  other  federal,  state  and local  laws or
regulations,  codes, statutes, orders, decrees, guidance documents, judgments or
injunctions,   now  or  hereafter  issued,  promulgated,   approved  or  entered
thereunder,   relating  to  pollution,   contamination   or  protection  of  the
environment,   including,   without  limitation,  laws  relating  to  emissions,
discharges,  releases  or  threatened  releases  of  pollutants,   contaminants,
chemicals  or  industrial,  toxic or  hazardous  substances  or wastes  into the
environment (including,  without limitation,  ambient air, surface water, ground
water, land surface or subsurface strata,  buildings or facilities) or otherwise
relating to the manufacture,  processing, distribution, use, treatment, storage,
disposal,  transport  or  handling of  pollutants,  contaminants,  chemicals  or
industrial, toxic or hazardous substances or wastes.

                                       -5-


<PAGE>



           "Environmental Matter" shall mean any matter arising out of, relating
to, or resulting from pollution,  contamination or protection of the environment
(including natural resources), and any matters relating to emission,  discharge,
release or threatened release, of Hazardous  Substances into the air (indoor and
outdoor),  surface  water,  groundwater,   soil,  land  surface  or  subsurface,
buildings or facilities or otherwise  arising out of,  relating to, or resulting
from  the  manufacture,   processing,  distribution,  use,  treatment,  storage,
disposal,  transport,  handling,  release or  threatened  release  of  Hazardous
Substances.

           "Environmental  Report"  shall mean the report  dated  August 7, 1997
prepared by the Environmental Consultant.

           "ERISA"  shall mean the Employee  Retirement  Income  Security Act of
1974, as amended, and the regulations promulgated thereunder from time to time.

           "Eurodollar  Business  Day" shall mean any  Domestic  Business Day on
which commercial banks are open for international  business  (including dealings
in dollar deposits) in London, England.

           "Event of Default"  shall have the  meaning  ascribed to such term in
Section 5.1 hereof.

           "Excess  Interest"  shall have the  meaning  ascribed to such term in
Section 2.8 hereof.

           "Exchange Act" shall mean the Securities and Exchange Act of 1934, as
amended.

           "Excluded Revenue Items" shall have the meaning ascribed to such term
in the definition of "Receipts" set forth below.

           "Expenses" shall mean all actual and customary operating expenses and
all other unanticipated or non-recurring  expenses for or in connection with the
Premises (as adjusted by Lender to reflect, inter alia, timing of the payment of
expenses  and such other  factors as Lender  shall  reasonably  determine  to be
relevant), including, without limitation (i) recurring expenses (e.g. capital or
non-capital improvements,  fixtures,  furnishings and/or equipment replacements,
and such others as determined by Lender),  (ii) Taxes  (whether paid directly by
Borrower or escrowed with Lender in accordance  with Section 7.1 hereof),  (iii)
Insurance Premiums (whether paid directly by Borrower or escrowed with Lender in
accordance  with Section 7.1  hereof),  and (iv)  management  fees due under the
Management  Agreement  (whether  paid or not) in an amount  not to  exceed  four
percent (4.0%) of Receipts.

           "Extension Commencement Date" shall have the meaning ascribed to such
term in Section 2.2.2 hereof.

           "Extension  Notice"  shall have the meaning  ascribed to such term in
Section 2.2.2 hereof.

           "Extension  Term"  shall have the  meaning  ascribed  to such term in
Section 2.2.2 hereof.


                                       -6-


<PAGE>



           "Financial  Statements" shall mean the financial statements and other
documentation required to be delivered pursuant to Section 4.14 hereof.

           "Funding  Losses"  shall have the  meaning  ascribed  to such term in
Section 2.5(a) hereof.

           "Funding Party" shall mean any bank or other entity, if any, which is
indirectly or directly  funding  Lender with respect to the Loan, in whole or in
part,  including,  without  limitation,  any direct or indirect  assignee of, or
participant in, the Loan.

           "General  Partner"  shall  mean 810 7th  Avenue  GP LLC,  a  Delaware
limited liability company.

           "Governmental  Authority" shall mean the United States,  the State of
New  York,  the  City of New York and any  political  subdivision  of any of the
foregoing,  and any agency,  department,  commission,  board,  court,  bureau or
instrumentality of any of them.

           "Hazardous    Substances"    shall   mean   asbestos,    ACM,   PCBs,
urea-formaldehyde and urea- formaldehyde foam insulation, nuclear fuel or waste,
petroleum products and any hazardous waste, toxic substance, related components,
related constituents,  pollutant or contaminant,  including, without limitation,
any  substance  defined  or  treated  as  a  "hazardous  substance",  "extremely
hazardous substance" or "toxic substance" (or comparable term) in any applicable
Environmental  Law and any other material,  which may give rise to Environmental
Costs.

           "Improvements"  shall have the  meaning  ascribed to such term in the
Recitals hereof.

           "Indebtedness"  shall mean any and all  liabilities  and  obligations
owing by any Person to any Person, including principal, interest, charges, fees,
reimbursements and expenses,  however evidenced,  whether as principal,  surety,
endorser,  guarantor or otherwise,  direct or indirect,  absolute or contingent,
joint  or  several,  due  or  not  due,  primary  or  secondary,  liquidated  or
unliquidated,  secured  or  unsecured,  original,  renewed or  extended,  (i) in
respect of any borrowed money  (whether by loans,  the issuance and sale of debt
securities  or  the  sale  of any  property  to  another  Person  subject  to an
understanding,  agreement, contract or otherwise to repurchase such property) or
for the deferred  purchase  price of any property or services  (other than trade
accounts  payable,  or accrued  expenses,  that are or would be  incurred in the
ordinary course of business of such Person ("Trade Payables") and payable within
ninety  (90)  days),  (ii) as lessee  under any leases  which shall have been or
should be, in accordance with generally accepted accounting principles, recorded
as capital  leases,  (iii) under direct or indirect  guarantees and  obligations
(contingent or otherwise) to purchase or otherwise acquire,  or otherwise assure
any  creditor  against  loss in respect of the  obligations  of others,  (iv) in
respect of letters of credit or similar  instruments issued or accepted by banks
and other financial institutions for the account of such indebted Person, or (v)
in respect of  unfunded  vested  benefits  under  plans  covered by ERISA or any
similar  liabilities  to, for the benefit of, or on behalf of, any  employees of
such indebted Person.

           "Indemnified  Parties"  shall mean each of Lender,  the Affiliates of
Lender and the Participants and their respective successors,  assigns, partners,
members, shareholders, officers, directors, employees, agents and attorneys.

                                       -7-


<PAGE>




           "Independent  Director"  shall  mean a duly  appointed  member of the
board of directors of the relevant  Person  (which shall be an entity) who shall
not have been, at the time of such  appointment  or at any time in the preceding
five (5) years,  (i) a direct or indirect,  legal or  beneficial,  owner in such
Person or any of its Affiliates, (ii) a creditor,  supplier,  employee, officer,
director,  family  member,  manager or  contractor  of such Person or any of its
Affiliates,   or  (iii)  a  natural  person  who  controls  (whether   directly,
indirectly,  or otherwise) such Person or any of its Affiliates or any creditor,
supplier,  employee,  officer, director, manager or contractor of such Person or
any of its Affiliates.

           "Insolvent" shall mean (i) the inability of a Person to pay its debts
as they become due and/or (ii) the fair value of such Person's  debts is greater
than the fair value of such Person's assets.

           "Insurance  Premiums" shall have the meaning ascribed to such term in
Section 7.1 hereof.

           "Interest  Accrual  Period"  shall mean,  with respect to any Payment
Date, the calendar month preceding such Payment Date, provided, however, that no
Interest  Accrual  Period shall end later than the Maturity Date (other than for
purposes of calculating  interest at the Default Rate), and the initial Interest
Accrual Period shall begin on the date of this Agreement.

           "Land"  shall have the meaning  ascribed to such term in the Recitals
hereof.

           "Law Change" shall have the meaning  ascribed to such term in Section
2.9(c) hereof.

           "Lease"  shall mean any lease now or hereafter  on or  affecting  the
Premises,  or any part thereof,  whether  written or oral,  and all licenses and
other  agreements  for the use and/or  occupancy  of the  Premises,  or any part
thereof, as the same shall have been or shall hereafter be amended.

           "Legal  Requirement" shall mean any law, statute,  ordinance,  order,
rule, regulation,  decree or other requirement of a Governmental Authority,  and
all conditions of any Permit.

           "Lender"  shall  have  the  meaning  ascribed  to  such  term  in the
introductory paragraph hereof.

           "Lender's  Counsel"  shall  mean  Brown  Raysman  Millstein  Felder &
Steiner  LLP,  located in New York,  New York,  and any other law firm acting as
counsel to Lender.

           "Lender's  Counsel  Fees"  shall mean all fees and  disbursements  of
Lender's Counsel.

           "LIBOR" shall mean, with respect to any Interest Accrual Period,  the
rate per annum  (rounded  upwards,  if necessary,  to the nearest  one-sixteenth
(1/16th) of one percent  (1%))  reported,  with respect to the initial  Interest
Accrual  Period,  at 11:00 a.m. London time on the date of this Agreement (or if
such date is not a Eurodollar Business Day, the immediately preceding Eurodollar
Business Day),  and  thereafter,  at 11:00 a.m.  London time on the date two (2)
Eurodollar Business Days prior to the first day of such Interest Accrual Period,
on Telerate  Access Service Page 3750 (British  Bankers  Association  Settlement
Rate) as the non-reserve  adjusted London Interbank Offered Rate for U.S. dollar
deposits having a thirty (30) day term and in an amount of $1,000,000 or more

                                       -8-


<PAGE>



(or on such other page as may replace Telerate Page 3750 on that service or such
other service or services as may be nominated by the British Bankers Association
for the purpose of displaying such rate, all as determined by Lender in its sole
but good  faith  discretion).  In the event that (i) more than one such LIBOR is
provided,  the  average  of such  rates  shall  apply,  or (ii) no such LIBOR is
published,  then  LIBOR  shall be  determined  from  such  comparable  financial
reporting  company  as  Lender  in its  sole  but good  faith  discretion  shall
determine.  LIBOR for any Interest Accrual Period shall be adjusted from time to
time by increasing  the rate thereof to compensate  Lender and any Funding Party
for any aggregate  reserve  requirements  (including,  without  limitation,  all
basic,  supplemental,  marginal and other reserve  requirements  and taking into
account  any  transitional  adjustments  or other  scheduled  changes in reserve
requirements  during any  Interest  Accrual  Period)  which are  required  to be
maintained  by  Lender or such  Funding  Party  with  respect  to  "Eurocurrency
Liabilities" (as presently  defined in Regulation D of the Board of Governors of
the Federal  Reserve  System) of the same term under  Regulation D, or any other
regulations of a Governmental  Authority having jurisdiction over Lender or such
Funding Party of similar effect.

           "LIBOR Interest Rate" shall have the meaning ascribed to such term in
Section 2.3.1 hereof.

           "Liens"  shall have the meaning  ascribed to such term in Section 4.3
hereof.

           "Limited  Partner"  shall mean Tower  Realty  Operating  Partnership,
L.P., a Delaware limited partnership.

           "Loan"  shall have the meaning  ascribed to such term in the Recitals
hereof.

           "Loan  Amount"  shall mean One  Hundred  Million  and 00/100  Dollars
($100,000,000.00).

           "Loan Documents"  shall mean this Agreement,  the Note, the Mortgage,
the Assignment of Leases and Rents, the Environmental Indemnification Agreement,
the Cash Management Agreement, the Agreement of Principal and any other document
or agreement  now or hereafter  executed by Borrower or any other Person for the
benefit of Lender securing, evidencing or otherwise relating to the Loan.

           "Loan  Interest"  shall  have the  meaning  ascribed  to such term in
Section 6.27.1 hereof.

           "Loan Pool"  shall have the meaning  ascribed to such term in Section
6.27.1 hereof.

           "Loan Taxes" shall have the meaning  ascribed to such term in Section
2.9(a) hereof.

           "Major  Lease"  shall mean any Lease  described on Schedule C annexed
hereto, which is marked with an asterisk, and any other Lease entered into after
the date hereof  which  either (i) is with an Affiliate of Borrower or (ii) when
taken together with all Leases,  if any, to Affiliates of the tenant  thereunder
demises in excess of ten percent  (10%) of the net  rentable  square feet in the
Improvements.  For purposes of this  definition  only,  in  determining  the net
rentable square footage demised under any Lease,  all space in the  Improvements
which may in the future be demised to the

                                       -9-


<PAGE>



tenant under such Lease by reason of such tenant  exercising any right or option
contained  in such Lease  shall be  included  in the  calculation  of the square
footage demised under such Lease.

           "Management  Agreement"  shall have the meaning ascribed to such term
in Section 4.13.1(a) hereof.

           "Manager"  shall have the  meaning  ascribed  to such term in Section
4.13.1(a) hereof. The Manager on the date hereof is Borrower.

           "Manager  Assignment  and  Subordination"   shall  have  the  meaning
ascribed to such term in Section 4.13.1(b) hereof.

           "Managing  Member"  shall have the  meaning  ascribed to such term in
Section 3.1.4 hereof.

           "Material Adverse Effect" shall mean a material adverse effect on (i)
the  property,   business,   operations,   financial  condition,   prospects  or
liabilities of any Significant  Party, (ii) the ability of any Significant Party
to perform its material obligations under any of the Loan Documents,  including,
without  limitation,  the timely payment of principal of or interest on the Loan
or other amounts payable in connection therewith by any Significant Party liable
therefor,  (iii) the validity or  enforceability of any of the Loan Documents by
or against any Significant  Party,  (iv) the rights and remedies of Lender under
any of the Loan Documents,  or (v) without limiting the foregoing,  the Premises
or any use or occupancy  thereof  and/or the  Collateral and the priority of the
Liens thereon in favor of Lender.

           "Maturity  Date"  shall mean the day which is the earlier to occur of
(i) the Scheduled  Maturity  Date, or (ii) the date on which payment of the Loan
shall have been accelerated pursuant to the terms of this Agreement.

           "Mortgage"   shall   mean  that   certain   Mortgage   Consolidation,
Modification,  Extension  and Security  Agreement,  dated as of the date hereof,
made by  Borrower  in favor of Lender,  as the same may  hereafter  be  amended,
modified, increased, consolidated or extended from time to time.

           "Negative Covenant" shall mean a promise or covenant by any Person to
not act, perform, suffer, permit or consent to.

           "Note"  shall mean that  certain  Consolidated,  Amended and Restated
Mortgage  Note,  dated the date  hereof,  made by  Borrower  to  Lender,  in the
original   principal   amount  of  One  Hundred   Million  and  00/100   Dollars
($100,000,000.00),  as the same may hereafter be amended, modified,  extended or
substituted from time to time.

           "Notices" shall have the meaning ascribed to such term in Section 6.6
hereof.

           "Obligated  Party"  shall have the  meaning  ascribed to such term in
Section 5.2(i) hereof.


                                      -10-


<PAGE>



           "Obligations" shall mean Borrower's  obligation to pay the principal,
interest and any other sums  payable to Lender in respect of the Loan  hereunder
and/or under the Note, the Mortgage or any of the other Loan  Documents,  and to
perform and observe all of the terms,  covenants  and  provisions of each of the
Loan Documents.

           "Officer's  Certificate" shall mean a certificate delivered to Lender
and signed by the President or a Vice President of Borrower (or if, at any time,
Borrower shall be a partnership or limited liability company, by such an officer
of a general partner or managing member, as the case may be, of Borrower,  or if
such general partner or managing member is a limited liability company,  by such
an officer of such general partner or managing member,  as the case may be). Any
Officer's Certificate shall be based on the actual knowledge,  upon due inquiry,
of the officer  executing the same and shall contain a statement by such officer
that (i) in the  ordinary  course  of the  performance  of his  duties  he would
normally  obtain  knowledge  of,  or (ii) he has  made  such  inquiry  as in his
judgment is reasonably  sufficient to obtain  knowledge of, the existence of any
condition or event  necessary to make the  statement(s)  otherwise  set forth in
such Officer's Certificate.

           "Organizational Documents" shall mean, with respect to any Person who
is  not  a  natural  person,  the  certificate  or  articles  of  incorporation,
memorandum of association,  articles of association,  trust agreement,  by-laws,
partnership agreement, limited partnership agreement, certificate of partnership
or limited  partnership,  limited  liability  company  articles of organization,
limited  liability  company  operating  agreement  or any  other  organizational
document, and all shareholder agreements, voting trusts and similar arrangements
with respect to its stock, partnership interests,  membership interests or other
equity interests.

           "Outstanding  Principal  Balance"  shall  mean,  as of any date,  the
outstanding principal balance of the Loan.

           "Ownership   Interest"  shall  mean,  with  respect  to  any  Person,
ownership  of the right to profits  and losses of,  and/or the right to exercise
voting power to elect directors,  managers, operators or other management of, or
otherwise to affect the  direction of  management,  policies or affairs of, such
Person,  whether through  ownership of securities or partnership,  membership or
other interests therein, by contract or otherwise.

           "Participants"  shall  have  the  meaning  ascribed  to such  term in
Section 6.8.2 hereof.

           "Party In Interest"  shall have the meaning  ascribed to such term in
Section 3.31 hereof.

           "Payment  Date" shall mean February 1, 1998 and the first day of each
month thereafter during the Term.

           "PCBs" shall mean polychlorinated biphenyls.

           "Permit"   shall  mean  all   approvals,   consents,   registrations,
franchises,  permits, licenses,  variances,  certificates of occupancy and other
authorizations with regard to zoning, landmark, ecological,  environmental,  air
quality, subdivision, planning, building or land use required by any

                                      -11-


<PAGE>



Governmental  Authority for the construction,  lawful occupancy and operation of
the Improvements and the actual and contemplated uses thereof.

           "Permitted  Encumbrances"  shall  mean  the  encumbrances  listed  on
Schedule B of the Title Policy.

           "Person"  shall  mean  any   individual,   partnership,   corporation
(including a business trust),  limited liability  company,  joint stock company,
estate, trust,  unincorporated  association,  joint venture or other entity or a
government or an agency or political subdivision thereof.

           "Placement  Party"  shall have the  meaning  ascribed to such term in
Section 6.27.1 hereof.

           "Premises"  shall  mean the Land,  the  Improvements,  the Air Rights
Leases and all  personal  property  and other items  described  in the  granting
clauses of the Mortgage,  and any other property owned and/or leased by Borrower
and used or usable in the operation of the Improvements.

           "Prohibited  Transaction"  shall  mean a  prohibited  transaction  as
described  under  Section 406 of ERISA or Section  4975 of the Code which is not
the  subject  of a  statutory  exemption  under  Section  408(b)  of ERISA or an
administrative exemption granted pursuant to Section 408(a) of ERISA.

           "Rating   Agencies"   shall   mean   (i)  any   nationally-recognized
statistical   rating   organizations  that  provide  a  rating  on  any  of  the
Certificates on the date of issuance of such Certificates,  or (ii) prior to the
issuance of the Certificates,  Standard & Poor's Rating Group, a division of The
McGraw Hill Corporation, and any other nationally-recognized  statistical rating
organization that has been designated by Lender in its sole discretion.

           "Receipts" shall mean for any period all receipts,  revenues,  income
(including service charges),  fees, payments and proceeds of sales of every kind
received by or on behalf of Borrower, directly or indirectly, from operating the
Premises for that  period,  and  services  rendered to, and rentals,  percentage
rentals  and  other  fees,   payments  and  charges   received  from,   tenants,
sub-tenants, licensees,  concessionaires and occupants of commercial, public and
retail space located in or at the Premises,  calculated on a cash basis, whether
in cash or on credit, including, without limitation, revenues from the rental of
parking at the Premises,  the fair market value of any barter  transaction,  and
other fees and charges  resulting  from the  operations of the Premises by or on
behalf of Borrower in the ordinary  course of business,  and  proceeds,  if any,
from business  interruption or other loss of income  insurance (net of the costs
of collection thereof);  provided,  however, that Receipts shall not include (i)
non-recurring income and non-Premises related income (as determined by Lender in
its  reasonable  discretion),  (ii) security  deposits  received from any tenant
unless  and until  the same are  applied  to rent or any other of such  tenant's
obligations in accordance with the terms of such tenant's Lease,  (iii) any Loan
proceeds, (iv) gratuities or service charges or other similar receipts which are
to be paid over to Premises employees or persons occupying similar positions for
performing  similar duties;  (v) proceeds of insurance or other money or credits
received in settlement for loss, theft or damage to property relating to or used
in or at the Premises; (vi) excise taxes, sales taxes, use taxes, gross receipts
taxes,  value  added  taxes,  or other taxes or similar  charges  payable to any
Governmental

                                      -12-


<PAGE>



Authority;  (vii)  condemnation  awards;  and (viii)  proceeds  from the sale of
furniture, fixtures and/or equipment no longer required for the operation of the
Premises;  and (the  revenue  exclusions  in the  preceding  clauses (i) through
(viii), collectively, the "Excluded Revenue Items").

           "Related  Party"  shall  have the  meaning  ascribed  to such term in
Section 6.20 hereof.

           "Remaining  Receipts" shall have the meaning ascribed to such term in
Section 7.2.2(a)(iii) hereof.

           "Rent  Roll"  shall  mean a rent roll for the  Premises  supplied  to
Lender,  in such form as Lender  shall  reasonably  request.  The Rent Roll must
indicate  whether  any tenant is in  arrears  in the  payment of rent or expense
reimbursement  obligations  under its Lease,  and the duration and amount of any
such arrears.

           "RICO"  shall have the meaning  ascribed to such term in Section 6.20
hereof.

           "Scheduled Maturity Date" shall mean June 30, 1998.

           "Securities Act" shall mean the Securities Act of 1933, as amended.

           "Securitization"  shall  have the  meaning  ascribed  to such term in
Section 6.27.1 hereof.

           "Securitization  Indemnification"  shall have the meaning ascribed to
such term in Section 6.27.3 hereof.

           "Securitization Indemnified Party" shall have the meaning ascribed to
such term in Section 6.27.3 hereof.

           "Servicer"  shall have the  meaning  ascribed to such term in Section
2.11 hereof.

           "Significant  Party"  shall mean each of Borrower,  General  Partner,
Limited Partner and Managing Member.

           "Survey" shall mean that survey of the Land, dated December 19, 1970,
as most recently  updated on December 26, 1997,  prepared by Earl B. Lovell-S.P.
Belcher, Inc..

           "Tax, Insurance and Air Rights Lease Deposits" shall have the meaning
ascribed to such term in Section 7.1.1 hereof.

           "Tax,  Insurance and Air Rights Lease Escrow  Subaccount"  shall have
the meaning ascribed to such term in the Cash Management Agreement.

           "Taxes" shall have the meaning ascribed to such term in the Mortgage.


                                      -13-


<PAGE>



           "Term" shall mean the period commencing on the date hereof and ending
on the date on which the entire Outstanding Principal Balance and all other sums
that  shall be due and  payable to Lender  hereunder  and under any of the other
Loan Documents shall be paid in full to Lender.

           "Title Insurers" shall mean,  collectively,  Commonwealth  Land Title
Insurance  Company,  Lawyers Title Insurance Company and Chicago Title Insurance
Company.

           "Title  Policy"  shall  mean,   collectively,   the  following  title
insurance  policies,  each  dated the date  hereof:  (i) policy in the amount of
$50,000,000  issued by Commonwealth Land Title Insurance Company under Title No.
NY971601,  (ii)  policy in the amount of  $35,000,000  issued by  Lawyers  Title
Insurance  Company under Title No. LTM 8244M,  and (iii) policy in the amount of
$15,000,000   issued  by  Chicago  Title  Insurance   Company  under  Title  No.
TA97(01)985.

           "Trade  Payables" shall have the meaning ascribed to such term in the
definition of "Indebtedness" set forth above.

           "Transfer"  shall have the  meaning  ascribed to such term in Section
4.2(a) hereof.

           "Treasury  Rate" shall mean,  with  respect to any  Interest  Accrual
Period,  the rate per annum  (rounded  upwards,  if  necessary,  to the  nearest
one-sixteenth  (1/16th)  of one  percent  (1%))  reported,  with  respect to the
initial Interest Accrual Period, at 11:00 a.m. New York time on the date of this
Agreement  (or if such date is not a  Domestic  Business  Day,  the  immediately
preceding  Domestic  Business  Day),  and during  any  Interest  Accrual  Period
thereafter,  at 11:00 a.m. New York time on the date two (2)  Domestic  Business
Days  prior to the first day of each such  Interest  Accrual  Period,  on United
States Treasury Securities, adjusted to a constant maturity of one (1) year.

           "Tower" shall have the meaning ascribed to such term in Section 3.1.4
hereof.

           "U.S. Person" shall mean any Person that is (i) a citizen or resident
of the United States, (ii) a corporation, partnership or other entity created or
organized  under the laws of the United States or any state thereof or (iii) any
estate or trust  that is  subject  to United  States  federal  income  taxation,
regardless of the source of its income.


                                    ARTICLE 2
                                    THE LOAN

           2.1 Funding. On the Closing Date, subject to the terms and conditions
of this Agreement, and relying upon the representations and warranties set forth
herein, Lender shall disburse the Loan to or on behalf of Borrower.

           2.2       Loan Term.

                     2.2.1  Maturity Date. The Loan shall mature on the Maturity
Date, at which time the entire Loan shall be due and payable.

                                      -14-


<PAGE>



                     2.2.2  Extension  Option.  Borrower shall have the right to
extend the Scheduled  Maturity Date to December 31, 1998 (the period  commencing
on the first (1st) day following the original Scheduled Maturity Date and ending
on December 31, 1998 being referred to herein as the "Extension Term"), provided
that:  (i) Borrower shall have given Lender its written notice of such extension
(an "Extension Notice") not less than thirty (30) days nor more than ninety (90)
days prior to the original Scheduled Maturity Date; and (ii) no Event of Default
shall  have  occurred  and be  continuing  at the  time of the  delivery  of the
Extension  Notice  with  respect  to the  Extension  Term or on the  date of the
commencement of the Extension Term (the "Extension  Commencement  Date"). In the
event the original  Scheduled Maturity Date is extended by the Extension Term in
accordance with the terms hereof,  thereafter,  all references herein and in any
of the other Loan Documents  (except any such  references in this Section 2.2.2)
to the "Scheduled Maturity Date" shall be deemed to refer to the last day of the
Extension Term.

           2.3       Interest.

                     2.3.1 Interest Rate.  Subject to the further  provisions of
this Agreement,  including, without limitation, Sections 2.5 and 2.7 hereof, the
Outstanding  Principal  Balance  shall bear  interest  throughout  the Term at a
floating  rate per annum  equal to one  percent  (1%) in  excess  of LIBOR  (the
aggregate  rate  referred to in the  preceding  clause being  referred to as the
"LIBOR Interest Rate") for any Interest  Accrual Period  commencing prior to the
Maturity Date.

                     2.3.2   Calculation  of  Interest.   All  interest  payable
hereunder shall be computed on the basis of a 360-day year for the actual number
of days elapsed.  In computing the number of days during which interest accrues,
the day on which funds are initially  advanced  shall be included  regardless of
the time of day such  advance  is made,  and the day on which  funds are  repaid
shall, subject to Section 2.4.3 hereof, be excluded.

           2.4       Payments.

                     2.4.1  Interest.  Prior  to  the  Maturity  Date,  interest
accruing on the  Outstanding  Principal  Balance  during each  Interest  Accrual
Period shall be payable by Borrower monthly in arrears on each Payment Date.

                     2.4.2  Repayment  of  Outstanding  Principal  Balance.  The
entire  Outstanding  Principal  Balance,  together  with all  accrued and unpaid
interest  thereon and all other  amounts  payable  hereunder or under any of the
other Loan Documents, shall, to the extent not sooner paid pursuant to the terms
of the Note and the other  Loan  Documents,  be due and  payable  in full on the
Maturity Date.

                     2.4.3 General.  All sums payable to Lender  hereunder shall
be payable, without setoff, deduction or counterclaim,  in immediately available
funds,  no later than 2:00 P.M.  New York City time on the date when due by wire
transfer to the  following  account:  Bank of America,  San  Francisco,  CA, ABA
Number: 121-000-358, Account Number: 1417-1-06816, Account Name: Pacific Life in
Trust for Credit Suisse First Boston Mortgage  Capital LLC,  Reference:  810 7th
Avenue,  or to such  other  account  or  address as Lender may from time to time
designate in a written

                                      -15-


<PAGE>



notice to Borrower.  Payments received by Lender in immediately  available funds
on any day after 2:00 P.M.  New York City time shall be treated for all purposes
of the Loan as having  been  paid and  received  by Lender on the next  Domestic
Business Day.  Notwithstanding  anything to the contrary contained herein,  when
any payment is due  hereunder or under any of the other Loan  Documents on a day
which is not a Domestic  Business  Day,  such payment  shall be made on the next
succeeding Domestic Business Day.

           2.5       Funding Losses; Change in Law, Etc.

           (a) Borrower  hereby agrees to pay to Lender any amount  necessary to
compensate  Lender  and  any  Funding  Party  for any  actual  losses  or  costs
(including,  without limitation,  the costs of breaking any "LIBOR" contract, if
applicable,  or  funding  losses  determined  on the basis of  Lender's  or such
Funding Party's reinvestment rate and the interest rate thereon)  (collectively,
"Funding Losses")  sustained by Lender or any Funding Party: (i) if the Loan, or
any portion hereof, is repaid for any reason whatsoever on any date other than a
Payment Date  (including,  without  limitation,  from  condemnation or insurance
proceeds); (ii) upon the conversion of the interest rate on the Loan to the Base
Rate in accordance with Section 2.5(b) hereof; (iii) as a consequence of (A) any
increased  costs that Lender or any Funding Party may sustain in maintaining the
borrowing  evidenced  hereby or (B) the  reduction  of any  amounts  received or
receivable  from Borrower,  in either case, due to the  introduction  of, or any
change in, law or applicable  regulation or treaty (including the administration
or  interpretation  thereof),  whether or not having the force of law, or due to
the  compliance  by Lender or the  Funding  Party,  as the case may be, with any
directive,  whether or not having the force of law, or request  from any central
bank or domestic or foreign  governmental  authority,  agency or instrumentality
having jurisdiction; and/or (iv) any other set of circumstances not attributable
to Lender's or a Funding Party's acts. Payment of Funding Losses hereunder shall
be in addition to any  obligation to pay a prepayment  premium under Section 2.6
hereof in circumstances where such prepayment premium would be due and owing.

           (b) If Lender  determines  (which  determination  shall be reasonably
made  by  Lender  in  good  faith)  (i)  that  Dollar   deposits  in  an  amount
approximately equal to the then Outstanding  Principal Balance are not generally
available  at  such  time  in  the  London  Interbank  Market  for  deposits  in
Eurodollars,  (ii) that the rate at which such  deposits are being  offered will
not  adequately  and  fairly  reflect  the cost to Lender or a Funding  Party of
maintaining a LIBOR  Interest Rate on the Loan (or the portion of the Loan being
funded by such  Funding  Party),  or of funding the same in such market for such
Interest  Accrual Period,  due to  circumstances  affecting the London Interbank
Market  generally,  (iii) that  reasonable  means do not exist for  ascertaining
LIBOR,  or (iv) that the LIBOR  Interest  Rate would be in excess of the maximum
interest rate which  Borrower may by law pay,  then,  in any such event,  Lender
shall so notify Borrower and, as of the date of such  notification  with respect
to an event  described in clause (ii) or (iv) above,  or as of the expiration of
the applicable  Interest  Accrual  Period with respect to an event  described in
clause (i) or (iii)  above,  interest  shall  accrue at the Base Rate until such
time as the situations  described above are no longer in effect, or as otherwise
provided herein;  provided,  however,  if the situation described in clause (ii)
above  occurs,  (x) Borrower  shall have the option,  to be exercised by written
notice to Lender,  to pay Lender (in the manner  reasonably  required by Lender)
for such increased  cost of maintaining  the LIBOR Interest Rate, and (y) if the
same only  affects a portion  of the Loan,  then only such  portion  shall  have
interest

                                      -16-


<PAGE>



accrue at the Base Rate (provided the remaining portion is at least $1,000,000),
and  interest  shall  continue to accrue on the  remaining  portion at the LIBOR
Interest Rate.

           (c) If the introduction of, or any change in, any law,  regulation or
treaty, or in the interpretation  thereof by any governmental  authority charged
with the  administration or interpretation  thereof,  shall make it unlawful for
Lender or any Funding Party to maintain the LIBOR  Interest Rate with respect to
the Loan, or any portion  thereof,  or to fund the Loan, or any portion thereof,
in  Eurodollars  in the London  Interbank  Market,  then,  (i) the Loan (or such
portion of the Loan) shall thereafter bear interest at the Base Rate (unless the
Default Rate shall be  applicable),  and (ii)  Borrower  shall pay to Lender the
amount of Funding Losses (if any) incurred in connection  with such  conversion.
The accrual of interest at the Base Rate shall continue until such Payment Date,
if any,  as the  situation  described  in this  Section  2.5(c)  is no longer in
effect.

           (d) If Lender  or a Funding  Party,  as the case may be,  shall  have
determined  that the  applicability  of any law,  rule,  regulation or guideline
adopted  pursuant  to or  arising  out of the  July  1988  report  of the  Basle
Committee   on  Banking   Regulations   and   Supervisory   Practices   entitled
"International Convergence of Capital Measurement and Capital Standards", or the
adoption of any other law,  rule,  regulation or guideline  (including,  but not
limited to, any United States law,  rule,  regulation  or  guideline)  regarding
capital adequacy, or any change becoming effective in any of the foregoing or in
the enforce1ment or  interpretation or administration of any of the foregoing by
any court or any  domestic or foreign  governmental  authority,  central bank or
comparable   agency   charged  with  the   enforcement  or   interpretation   or
administration  thereof,  or compliance by Lender or its holding company or such
Funding  Party or its holding  company,  as the case may be, with any request or
directive regarding capital adequacy (whether or not having the force of law) of
any such  authority,  central bank or comparable  agency,  has or would have the
effect of reducing the rate of return on the capital of Lender, Lender's holding
company, such Funding Party or such Funding Party's holding company, as the case
may be, to a level below that which Lender or its holding company or the Funding
Party or its holding  company,  as the case may be, could have  achieved but for
such  applicability,  adoption,  change or compliance (taking into consideration
Lender's  or its  holding  company's  or such  Funding  Party's  or its  holding
company's,  as the case may be, policies with respect to capital  adequacy) (the
foregoing being  hereinafter  referred to as "Capital Adequacy  Events"),  then,
upon demand by Lender,  Borrower  shall pay to Lender,  from time to time,  such
additional amount or amounts as will compensate Lender or such Funding Party for
any such reduction suffered.

           (e) Any amount  payable by Borrower  under  Section  2.5(a) or 2.5(d)
hereof shall be paid to Lender  within five (5) days of receipt by Borrower of a
certificate  signed by an officer of Lender setting forth the amount due and the
basis  for the  determination  of such  amount  (which  determination  shall  be
reasonably  made by  Lender  in good  faith).  Failure  on the part of Lender to
demand payment from Borrower for any such amount  attributable to any particular
period shall not constitute a waiver of Lender's right to demand payment of such
amount for any subsequent or prior period.  Lender shall use reasonable  efforts
to deliver to Borrower  prompt notice of any event  described in Sections 2.5(a)
or 2.5(d) hereof and of the amount to be paid under this Section 2.5 as a result
thereof;  provided,  however,  any failure by Lender to so notify Borrower shall
not affect  Borrower's  obligation  to make the  payments  to be made under this
Section 2.5 as a result thereof. All amounts which may become

                                      -17-


<PAGE>



due and payable by Borrower in  accordance  with the  provisions of this Section
2.5 shall constitute  additional  interest hereunder and shall be secured by the
Mortgage and the other Loan Documents.

           (f) If Lender or any  Funding  Party  requests  compensation  for any
losses or costs to be reimbursed  pursuant to any one or more of the  provisions
of Sections 2.5(a)(iii),  2.5(a)(iv) or 2.5(d) hereof, or if any event occurs as
described  in  Sections  2.5(b) or 2.5(c)  hereof  which would cause the Note no
longer to bear  interest  at the LIBOR  Interest  Rate  then,  upon  request  of
Borrower, Lender or such Funding Party shall use reasonable efforts, in a manner
consistent  with such  institution's  practice in connection with loans like the
Loan, to designate a different lending office for funding or booking the Loan or
to assign its  rights and  obligations  under this  Agreement  to another of its
offices,  branches or Affiliates if such designation or assignment,  in Lender's
sole but good faith judgment,  (i) would  eliminate,  mitigate or reduce amounts
payable by Borrower in connection with Funding Losses or Capital Adequacy Events
or, with  respect to an event  described  in Sections  2.5(b) or 2.5(c)  hereof,
would  allow the Loan to continue to bear  interest at the LIBOR  Interest  Rate
without additional cost to Lender,  and (ii) would not be otherwise  prejudicial
to Lender.  Borrower  hereby  agrees to pay all  reasonably  incurred  costs and
expenses  incurred by Lender or any Funding  Party in  connection  with any such
designation or assignment.

           2.6       Prepayment.

           (a)  Provided  that no Event of Default  shall have  occurred  and be
continuing,  Borrower  may elect to prepay the Loan in whole or in part,  on any
Payment Date, provided, in either case, and with respect to each such prepayment
(x) Borrower has given Lender  written  notice of such  prepayment not more than
thirty  (30)  days and not less  than  ten (10)  days  prior to the date of such
prepayment,  and (y) such  prepayment is accompanied by all interest  accrued on
the amount so prepaid and all other fees and other sums due  hereunder and under
the other Loan Documents,  including,  without limitation, any amounts due under
Section 2.5 hereof, up to and including the date of prepayment

           (b) Any voluntary partial  prepayments in accordance with the Section
2.6(a)  hereof  shall  be  in  the  minimum  amount  of  $500,000.00.  Mandatory
prepayments made in connection with the application  pursuant to the Mortgage of
insurance  proceeds or  condemnation  awards shall be paid in the amounts and at
the times specified in the Mortgage, and, notwithstanding anything herein to the
contrary,  no  prepayment  fee or premium  shall be due or payable in connection
with any such mandatory prepayment whenever paid.

           2.7       Default Interest; Late Charge.

           (a) If any  payment  of  principal,  interest  or other  sum  payable
hereunder,  or under  any of the  other  Loan  Documents,  is not paid  when due
(including  by reason of failure to pay all  principal,  interest  and all other
amounts due  hereunder  and under the other Loan  Documents on the Maturity Date
(or such earlier  date as the same may become due,  whether by  acceleration  or
otherwise)), such principal amount, interest or other sum shall bear interest at
a rate per annum (the  "Default  Rate")  equal to nine percent (9%) in excess of
LIBOR (or, if at such time Lender shall have notified  Borrower that  reasonable
means do not exist for ascertaining LIBOR as provided in clause (iii) of

                                      -18-


<PAGE>



Section 2.5(b)  hereof,  the Treasury  Rate),  which Default Rate shall so apply
from the date such amount was due (after giving effect to any notice and/or cure
period afforded  hereunder)  until the date such amount is indefeasibly  paid to
Lender.  Without limiting the foregoing,  upon the occurrence of, and during the
continuance of, an Event of Default  hereunder,  the entire principal balance of
the Loan shall bear interest at the Default  Rate.  Interest at the Default Rate
shall be paid immediately upon demand, which demand may be made as frequently as
Lender shall elect.

           (b) If any installment of interest or principal  (including,  without
limitation,  the entire  Outstanding  Principal Balance on the Maturity Date) is
not paid within  five (5) days after the date when due,  or if any other  amount
payable  hereunder or under any other Loan  Document is not paid within ten (10)
days after written  notice  thereof is given to Borrower,  Borrower shall pay to
Lender a late charge of three  percent (3%) of the amount so overdue in order to
defray part of the  expense  incident to  handling  such  delinquent  payment or
payments.  Such late charge shall be immediately  due and payable without notice
or demand by Lender.  Such late  charge  shall be in addition  to, and  separate
from,  any increase in interest  due  hereunder  as a result of  calculation  of
interest due  hereunder at the Default  Rate.  Acceptance  by Lender of any late
charge or interest  at the  Default  Rate shall not be deemed a waiver of any of
Lender's rights hereunder or under the other Loan Documents with respect to such
late payment.

           2.8 Excess Interest. It is agreed that, notwithstanding any provision
to the contrary in this  Agreement,  the Note,  the Mortgage or any of the other
Loan  Documents,  no such  provision  shall  require  the  payment or permit the
collection of any amount ("Excess  Interest") in excess of the maximum amount of
interest  permitted  by law to be  charged  for  the  use or  detention,  or the
forbearance  in  the  collection,  of all or  any  portion  of the  indebtedness
evidenced by the Note. If any Excess Interest is provided for, or is adjudicated
to be  provided  for,  in the Note,  this  Agreement  or any of the  other  Loan
Documents, then in such event:

                     (i) the  provisions  of this  Section 2.8 shall  govern and
           control;

                     (ii) neither Borrower nor any of the other Persons required
           to pay any amounts with respect to the Loan shall be obligated to pay
           any Excess Interest;

                     (iii) any Excess  Interest  that  Lender may have  received
           hereunder shall, at the option of Lender,  (i) be applied as a credit
           against the then  Outstanding  Principal  Balance (without payment of
           prepayment  premium)  due  hereunder,  accrued  and  unpaid  interest
           thereon not to exceed the maximum  amount  permitted by law, or both,
           (ii) be refunded to the payor  thereof,  or (iii) any  combination of
           the foregoing;

                     (iv)  the  applicable  interest  rate  or  rates  shall  be
           automatically  subject to  reduction  to the maximum  lawful rate and
           this  Agreement,  the Note, the Mortgage and the other Loan Documents
           shall be deemed to have been, and shall be,  reformed and modified to
           reflect such reduction in such interest rate or rates; and

                     (v) neither  Borrower nor any of the other Persons required
           to pay any amounts  with respect to the Loan shall have any action or
           remedy against Lender for any damages

                                      -19-


<PAGE>



           whatsoever,  or any defense to  enforcement  of this  Agreement,  the
           Note, the Mortgage or any of the other Loan Documents, arising out of
           the payment or collection of any Excess Interest.

           2.9       Loan Taxes.

           (a) Any and all  payments by Borrower to Lender  hereunder  and under
the  other  Loan  Documents  shall,  provided  that  Lender  complies  with  the
requirements  of Section 2.9(c)  hereof,  be made free and clear of, and without
deduction for, any and all present or future taxes, levies, imposts, deductions,
charges,  withholdings  or  liabilities  with  respect  thereto,  except for the
following, for which Borrower shall not be responsible:  (i) taxes imposed on or
measured by Lender's net income or net receipts; or (ii) franchise taxes imposed
on Lender by the  jurisdiction  in which (A) Lender is organized,  (B) Lender is
"doing business"  (unless such  determination of "doing business" is made solely
as a result of Lender's interest in the Loan and the security therefor),  or (C)
Lender's applicable lending office is located (all such taxes, levies,  imposts,
deductions,  charges or withholdings and liabilities  (except those described in
the  foregoing  clauses  (i) and (ii))  being  hereinafter  referred to as "Loan
Taxes").  If Borrower  shall be  required by law to deduct or withhold  any Loan
Taxes from or in respect of any sum  payable  hereunder  or under any other Loan
Document,  then (1) any such sum  payable  hereunder  or under  any  other  Loan
Document  shall be  increased  as may be  necessary  so that  after  making  all
required  deductions  or  withholdings   (including   deductions  applicable  to
additional sums payable under this Section 2.9), Lender receives an amount equal
to the sum it  would  have  received  had no  such  deductions  or  withholdings
(including  deductions  applicable to additional sums payable under this Section
2.9) been made, (2) Borrower shall make such deductions or withholdings, and (3)
Borrower shall pay the full amount  deducted or withheld to the relevant  taxing
authority in accordance with applicable law.  Borrower will indemnify Lender for
the full amount of any Loan Taxes (including, without limitation, any Loan Taxes
(as well as taxes  described  in clauses  (i) and (ii) of the  second  preceding
sentence)  imposed by any jurisdiction on any amounts payable under this Section
2.9) paid or payable by Lender and any liability (including, without limitation,
penalties,  interest and expenses)  arising  therefrom or with respect  thereto,
whether or not such Loan Taxes were correctly or legally  asserted A certificate
as to the amount of such  payment or  liability  delivered to Borrower by Lender
(the amount of which  payment or liability  shall be  reasonably  determined  by
Lender in good faith);  notwithstanding  the foregoing,  provided Borrower shall
timely  pay to Lender all such Loan Taxes  shown on such  certificate,  Borrower
shall not be liable for interest and/or  penalties that shall accrue as a result
of (i) Lender's  miscalculation  of Loan Taxes, or (ii) Lender's  failure to pay
such Loan Taxes to the applicable authority after receipt thereof from Borrower.
The agreements and  obligations of Borrower  contained in this Section 2.9 shall
survive the payment in full of principal and interest  under this  Agreement and
the Note.

           (b) Within  thirty  (30) days  after the date of any  payment of Loan
Taxes  withheld by Borrower in respect of any payment to Lender,  Borrower  will
furnish  to Lender  the  original  or a  certified  copy of a  receipt  or other
evidence satisfactory to Lender evidencing payment thereof.

           (c) If Lender is a U.S.  Person  (other  than the  lender  originally
named  herein),  Lender shall  deliver to  Borrower,  upon  request,  a Form W-9
(unless it  establishes to the  reasonable  satisfaction  of Borrower that it is
otherwise  eligible  for an  exemption  from  backup  withholding  tax or  other
withholding  tax).  If Lender is not a U.S.  Person,  Lender  shall  deliver  to
Borrower, upon request, a

                                      -20-


<PAGE>



Form W-8 and either (i) a Form 1001 which  indicates  a 0% rate of tax or (ii) a
Form 4224. If Lender is not a U.S. Person,  Lender further undertakes to deliver
to Borrower  additional  Forms W-8, 1001, 4224 (or any successor forms) or other
manner of certification,  as the case may be, (A) on or before the date that any
such form expires or becomes  obsolete,  (B) after the  occurrence  of any event
requiring  a change  in the  most  recent  form  previously  delivered  by it to
Borrower,  and (C) such  extensions  or renewals  thereof as may  reasonably  be
requested by Borrower,  certifying  that Lender is entitled to receive  payments
hereunder  without deduction or withholding of any Loan Taxes.  However,  in the
event that any change in law, rule, regulation,  treaty or directive,  or in the
interpretation  or application  thereof (a "Law Change"),  has occurred prior to
the  date on  which  any  delivery  pursuant  to the  preceding  sentence  would
otherwise  be required  which  renders  such form  inapplicable,  or which would
prevent Lender from duly completing and delivering any such form, or if such Law
Change  results  in  Lender  being  unable  to  deliver  a Form  W-9  (or  other
satisfactory evidence that it is otherwise eligible for an exemption from backup
withholding  tax or other  withholding  tax),  Lender  shall not be obligated to
deliver such forms but shall,  promptly  following  such Law Change,  but in any
event prior to the time the next  payment  hereunder is due  following  such Law
Change,  advise Borrower in writing whether it is capable of receiving  payments
without any  deduction or  withholding  of Loan Taxes.  In the event of such Law
Change,  Borrower  shall  have  the  obligation  to  make  Lender  whole  and to
"gross-up" under Section 2.9(a) hereof, despite the failure by Lender to deliver
such forms.

           (d) If Lender  receives  a refund in  respect  of Loan  Taxes paid by
Borrower,  it shall  promptly pay such refund,  together  with any other amounts
paid by  Borrower  pursuant to Section  2.9(a)  hereof in  connection  with such
refunded Loan Taxes,  to Borrower;  provided,  however,  that Borrower agrees to
promptly  return such refund to Lender if it receives notice from Lender that it
is required to repay such refund. Nothing contained herein shall be construed to
require  Lender to seek any  refund  and  Lender  shall  have no  obligation  to
Borrower to do so; provided, however, that Lender will reasonably cooperate with
Borrower,  at Borrower's  sole cost and expense,  should Borrower desire to seek
any such refund.

           (e) All  amounts  payable  under this  Section  2.9 shall  constitute
additional interest hereunder and shall be secured by the Mortgage and the other
Loan Documents.  The provisions of this Section 2.9 shall survive any payment or
prepayment of the Loan and any foreclosure or satisfaction of the Mortgage.

           (f) Any reference  under this Section 2.9 to "Lender" shall be deemed
to include any Participant and any Assignees.

           2.10  Uses of Loan  Proceeds.  The uses of the  proceeds  of the Loan
shall be as set forth on a closing  statement  to be executed  by  Borrower  and
Lender on the Closing Date (the  "Closing  Statement").  Borrower  shall deliver
such information and documentation as Lender shall reasonably  request to verify
that the uses are as set forth on the  Closing  Statement.  To the  extent  that
Borrower shall not apply any amounts necessary for any of such uses as indicated
on the Closing Statement, the Loan shall be reduced by an equal amount.


                                      -21-


<PAGE>



           2.11  Servicing.  The Loan shall be serviced by an insured  financial
servicer selected by Lender in its sole discretion (the "Servicer").  Lender may
change the Servicer from time to time without the consent of Borrower, on notice
to Borrower.


                                    ARTICLE 3
               CERTAIN REPRESENTATIONS AND WARRANTIES OF BORROWER

           As an inducement  to Lender to enter into this  Agreement and to make
the  Loan,   Borrower   hereby   represents  and  warrants  as  follows,   which
representations  and warranties  shall be true and correct as of the date hereof
and which shall  survive the Closing  Date  hereunder  and shall remain true and
correct until all of the Obligations are repaid in full:

           3.1       Borrower Organization, Enforceability, Etc.

                     3.1.1  Borrower  Status.  Borrower is a duly formed limited
partnership  under the laws of the State of New York,  validly  existing  and in
good  standing  under the laws of the State of New York,  and has full power and
authority  to execute and deliver to Lender  this  Agreement  and all other Loan
Documents  to which it is a  party,  and to own and  operate  the  Premises  and
perform the  obligations  and carry out the duties imposed upon Borrower by this
Agreement  and the other Loan  Documents.  All Loan  Documents to be executed by
Borrower  have been duly  authorized,  approved,  executed and  delivered by all
necessary  parties and  constitute the legal,  valid and binding  obligations of
Borrower,  enforceable  against  Borrower in  accordance  with their  respective
terms. Borrower is authorized to do business in the State of New York and is not
required  by  applicable  law to be  authorized  to do  business  in  any  other
jurisdiction.

                     3.1.2  General  Partner.  General  Partner (a) is a limited
liability  company duly organized,  validly  existing and in good standing under
the laws of the State of Delaware;  (b) is in good  standing  under the laws of,
and is authorized to transact business in, all  jurisdictions  where it conducts
business,  including  the State of New  York;  (c) has all  requisite  power and
authority  to own its  properties  and to carry  on its  business  as now  being
conducted;  (d) is the sole  general  partner of Borrower and owns a one percent
(1%) partnership interest in Borrower,  free and clear of all liens, claims, and
encumbrances,   except  as  otherwise   contemplated  or  permitted  under  this
Agreement;  (e) has full right,  power and authority to execute and deliver this
Agreement  and the  other  Loan  Documents  on its own  behalf  and on behalf of
Borrower;  and (f)  shall  have full  right,  power  and  authority  to make all
material business decisions for Borrower during the Term.

                     3.1.3  Limited  Partner.  Limited  Partner (a) is a limited
partnership duly organized, validly existing and in good standing under the laws
of the  State of New York;  (b) is in good  standing  under the laws of,  and is
authorized  to  transact  business  in,  all  jurisdictions  where  it  conducts
business,  including  the State of New  York;  (c) has all  requisite  power and
authority  to own its  properties  and to carry  on its  business  as now  being
conducted;  and (d) is the sole  limited  partner of Borrower  and owns a ninety
nine  percent  (99%)  partnership  interest in  Borrower,  free and clear of all
liens, claims, and encumbrances,  except as otherwise  contemplated or permitted
under this Agreement.

                                      -22-


<PAGE>




                     3.1.4  Managing  Member.  The  managing  member of  General
Partner  is  Tower  QRS NO. 5  Corp.,  a  Delaware  corporation  (the  "Managing
Member").  The sole  shareholder of Managing Member is Tower Realty Trust,  Inc.
("Tower")  Managing Member is (a) duly organized,  validly  existing and in good
standing under the laws of the State of Delaware;  (b) is in good standing under
the laws of, and is authorized to transact business in, all jurisdictions  where
it conducts  business,  including  the State of New York;  (c) has all requisite
power and  authority to own its  properties  and to carry on its business as now
being  conducted;  (d) is the sole managing member of General Partner and owns a
one percent (1%) membership  interest in General Partner,  free and clear of all
liens, claims, and encumbrances,  except as otherwise  contemplated or permitted
under this  Agreement;  (e) has full right,  power and  authority to execute and
deliver  this  Agreement  and the other Loan  Documents on its own behalf and on
behalf of General Partner; and (f) shall have full right, power and authority to
make all material business decisions for General Partner during the Term.

                     3.1.5 Other Member.  The other member of General Partner is
Limited Partner,  which owns a ninety nine percent (99%) membership  interest in
General Partner.

                     3.1.6.  Tower  .  Tower  is  (a)  duly  organized,  validly
existing and in good standing under the laws of the State of Maryland; (b) is in
good standing under the laws of, and is authorized to transact  business in, all
jurisdictions  where it conducts business,  including the State of New York; (c)
has all requisite  power and authority to own its properties and to carry on its
business as now being conducted; (d) is the sole shareholder of Managing Member;
(e) is the sole  limited  partner of Limited  Partner;  and (f) has full  right,
power and  authority  to execute and deliver the  Agreement  of Princpal and the
other Loan Documents on its own behalf and on behalf of Limited Partner.

                     3.2  Borrower  Address.   Borrower's   principal  place  of
business  is at the  address  first set forth  above,  and shall not be  changed
during the Term  without  giving  Lender at least thirty (30) days' prior notice
thereof.  Borrower uses no trade name,  and has not and will not do any business
under any name other than its actual name set forth herein.

                     3.3  Borrower's   Organizational   Documents.  A  true  and
complete  copy of Borrower's  Organizational  Documents  have been  furnished to
Lender.  Borrower's  Organizational  Documents  constitute the entire  agreement
among the members in Borrower and are binding upon and  enforceable  against all
of such partners in accordance with their respective  terms.  There are no other
agreements,  oral or written,  among any of the members in Borrower  relating to
Borrower.   No  party  is  in  default  of  its  obligations   under  Borrower's
Organizational  Documents  and no  condition  exists  which,  with the giving of
notice and/or the passage of time,  would  constitute a default under Borrower's
Organizational Documents.

                     3.4 General Partner's Organizational  Documents. A true and
complete copy of General Partner's  Organizational Documents have been furnished
to Lender.  General  Partner's  Organizational  Documents  constitute the entire
agreement  relating to such General  Partner among the  shareholders  in General
Partner and are binding upon and enforceable against all of such shareholders in
accordance with their respective terms.  There are no other agreements,  oral or
written,  among any of the  shareholders in General Partner  relating to General
Partner. No party is

                                      -23-


<PAGE>



in default of its obligations under General Partner's  Organizational  Documents
and no condition  exists which,  with the giving of notice and/or the passage of
time,  would  constitute  a  default  under  General  Partner's   Organizational
Documents.

           3.5  Title.  Fee  simple  title to the  Premises  is,  or will on the
Closing  Date  be,  owned by  Borrower,  free and  clear of all  liens,  claims,
encumbrances, covenants, conditions, restrictions, security interests and claims
of others,  except for the Loan Documents,  the Permitted  Encumbrances and such
exceptions as have been approved in writing by Lender.

           3.6 Valid Liens. Subject to the Permitted Encumbrances,  the Mortgage
is a good and valid  first  mortgage  lien on the  Premises  and first  priority
security interest in the personal property described in the Mortgage.

           3.7 Uses.  The Premises  consists  solely of an office  building with
ground  floor  retail  space  and  related  operations  and is used for no other
purpose.

           3.8 No  Structural  Defects.  To Borrower's  knowledge,  there are no
structural  defects in the  Improvements,  or material  defects to the  building
systems thereof, except as shown in the Engineer's Report.

           3.9 Compliance with Zoning, Etc.

           (a) To  Borrower's  knowledge,  except  as may  be  disclosed  by the
Engineer's Report or in the violations searches received from the Title Insurers
in connection with the Title Policy (the "Disclosed  Violations"),  the Premises
comply in all material respects with all applicable Legal Requirements. Borrower
shall use its  diligent  efforts to cure,  or cause to be cured,  the  Disclosed
Violations  and to have them  removed  of  record.  Any  zoning  or  subdivision
approval is based on no real property, or rights appurtenant thereto, other than
the Premises. The Premises as improved and used are not in material violation of
any  recorded  and, to the best  knowledge of  Borrower,  unrecorded  covenants,
conditions or  restrictions  of any kind or nature  affecting all or any part of
the Premises,  or any interest therein.  To the best knowledge of Borrower,  the
Improvements  can be fully  rebuilt  in the  event of  casualty  or  destruction
thereof  under the Permits  applicable  to the Premises,  subject,  however,  to
non-discretionary  requirements of any Governmental  Authority.  No amendment or
change in any such material Permit,  and no amendment or change in zoning or any
other land use control, has been sought or obtained by Borrower or any Affiliate
of  Borrower,  or will be sought or obtained by  Borrower  or any  Affiliate  of
Borrower,  with  respect  to  the  Premises  or  the  Improvements,   except  as
specifically approved in writing by Lender.

           (b) To  Borrower's  knowledge,  except  as may  be  disclosed  in the
Disclosed Violations, all Permits required by any Governmental Authority for the
operation of the Improvements and the actual and contemplated  uses thereof,  or
otherwise  required to be in compliance with any  Environmental  Laws, have been
obtained. The copy of the certificate of occupancy for the Premises delivered to
Lender  prior to the date  hereof is a true and  correct  copy of the  permanent
certificate of occupancy for the Premises, remains in full force and effect, and
is not subject to any conditions

                                      -24-


<PAGE>



or limitations, other than those of general applicability to all certificates of
occupancy for office buildings located in New York County, New York.

           (c) To  Borrower's  knowledge,  there are no  pending  or  threatened
actions, suits or proceedings to revoke, attack,  invalidate,  rescind or modify
the zoning of the Premises,  or any material  Permits issued with respect to the
Premises or any part  thereof,  or asserting  that such Permits or the zoning of
the Premises do not permit the use of the Premises as  contemplated  by the Loan
Documents.

           3.10 No Condemnation. Borrower has not received any notice of, and to
the best of Borrower's  knowledge there does not exist, any actual,  proposed or
threatened  exercise  of the  power of  eminent  domain  or other  taking by any
governmental or quasi-governmental  body or agency, of all or any portion of the
Premises, or any interest therein, or any right of access thereto.

           3.11 No Casualty. The Improvements have suffered no material casualty
or damage which has not been fully repaired and the cost thereof fully paid.

           3.12 Purchase Options. To Borrower's knowledge,  neither the Premises
nor any part thereof are subject to any purchase options or other similar rights
in favor of third parties.

           3.13 No Encroachments. To Borrower's knowledge, there are no material
encroachments  on the  Land  and  the  Improvements  do not  encroach  upon  any
Easement,  any  other  interest  in real  property,  any  adjoining  land or any
adjoining street, except as set forth in the Survey.

           3.14  Litigation.  Except as set forth on Schedule D annexed  hereto,
there are no actions, suits, proceedings,  arbitrations,  tenant disputes, labor
disputes or  governmental  investigations  (i) pending  against  Borrower or any
Affiliate of Borrower,  or, to the best knowledge of Borrower,  the Premises, or
(ii)  to the  best  knowledge  of  Borrower,  threatened  against  or  affecting
Borrower, any Affiliate of Borrower or the Premises, which, if successful, could
have a Material Adverse Effect.  None of Borrower,  General Partner or any other
Significant  Party is  operating  under,  or is subject  to,  any  order,  writ,
injunction,  decree or demand of any court or any Governmental Authority.  Other
than as set  forth  on  said  Schedule  D, no  actions,  suits,  proceedings  or
arbitrations  are  pending or, to the best  knowledge  of  Borrower,  threatened
against  Borrower,  General Partner or any other Significant Party which involve
claims,  damages  or  sums  of  money  not  covered  (including  all  applicable
deductibles) by insurance.

           3.15 No Conflict with Law or  Agreements.  The execution and delivery
of this  Agreement  and the  other  Loan  Documents,  and  the  performance  and
consummation of the transactions contemplated hereby and thereby, on the part of
Borrower and all other Significant  Parties (as applicable),  and fulfillment of
the terms of the Loan  Documents by Borrower and the other  Significant  Parties
(as applicable), (i) do not and will not conflict with, violate, or constitute a
default (or a condition or event  which,  after notice or lapse of time or both,
would  constitute  such a default)  under any  provision  of any  Organizational
Document or any  contractual  obligation  of  Borrower or any other  Significant
Party, or any Legal  Requirement or any court decree or order  applicable to the
Premises,  Borrower or any other Significant Party, and (ii) will not result in,
or require, the creation

                                      -25-


<PAGE>



or imposition of any lien or encumbrance on, or conveyance of, any of Borrower's
properties pursuant to any contractual obligation,  and (iii) do not require the
consent or approval of any  Governmental  Authority or other Person,  except for
consents and approvals already obtained.

           3.16 Personal Property.  To Borrower's  knowledge,  all equipment and
other personal property  necessary for (or otherwise actually used in connection
with) the proper and efficient  operation and  maintenance of the Premises,  the
actual and contemplated uses of the Premises and/or  Borrower's  compliance with
its obligations under the Leases, are owned or leased by Borrower and constitute
part of the Premises subject to the Mortgage and located thereat, other than (i)
any  such  equipment  which  is owned  by a  utility  company,  or (ii) any such
equipment  and personal  property  which is owned by tenants of the Premises and
utilized solely by such tenant.

           3.17  Easements;  Access;  Utilities.  To Borrower's  knowledge,  all
easements,  cross  easements,  licenses,  air rights and  rights-of-way or other
similar property interests  (collectively,  "Easements"),  if any, necessary for
the full utilization of the  Improvements for their intended  purposes have been
obtained,  are  described  in the Title  Policy and are in full force and effect
without default  thereunder.  The Premises has direct rights of access to public
ways and is served by water,  sewer,  sanitary sewer and storm drain  facilities
adequate to service the  Premises for its intended  uses.  All public  utilities
necessary  or  convenient  to the full use and  enjoyment  of the  Premises  are
located  either in the public  right of way  abutting  the  Premises  (which are
connected so as to serve the Premises without passing over other property) or in
recorded  easements serving the Premises and described in the Title Policy.  All
roads  necessary for the use of the Premises for its current  purposes have been
completed and are available for public use.

           3.18 No Flood Hazard, Etc. Except as set forth in the Survey, (i) the
Premises are not situated in an area  designated as having special flood hazards
as  defined  by the  Flood  Disaster  Protection  Act of 1973,  as  amended,  or
designated a wetlands by any governmental  entity having  jurisdiction over such
Premises,  or (b) the  Premises  are  situated in an area  designated  as having
special flood hazards as defined by the Flood  Disaster  Protection Act of 1973,
as amended, or as a wetlands by any governmental entity having jurisdiction over
the Premises,  but Borrower has obtained and paid for, and there is currently in
effect, the flood insurance required under the terms of the Mortgage. No portion
of the Premises is located on or adjacent to navigable  waters and no portion of
the Premises consists of filled-in land.

           3.19 Premises  Taxed as a Separate Tax Lot. The Premises  (other than
that portion  which  consists of the Air Rights  Leases) are taxed as a separate
and  distinct  tax  lot.  No part of the  Premises  shares  a tax lot  with  any
adjoining lands and for all purposes the Premises may be mortgaged, conveyed and
otherwise dealt with as a single, independent parcel.

           3.20      Leases.

           (a)  Borrower  has not  entered  into any Lease  which  continues  in
existence, and is not bound by any such Lease, other than the Approved Leases.


                                      -26-


<PAGE>



           (b) To Borrower's knowledge (i) Rent has not been collected under any
of the Leases more than one (1) month in advance of the due date, (ii) except as
disclosed on the Rent Roll,  the term of each Lease has commenced and the tenant
has  commenced  the full  payment of rent under  such Lease  without  the tenant
thereunder being entitled to any abatement thereof, (iii) except as disclosed on
the Rent Roll,  the  landlord is not  required to perform any tenant work or pay
any work allowances under any Lease, (iv) all security and other escrow deposits
made under any Lease are being, and have been held, in accordance with all Legal
Requirements  and the terms of such Lease,  (v) except as  disclosed on the Rent
Roll,  no  tenant  under  a  Lease  has  any  right  of  expansion,   extension,
cancellation or any other option pursuant to such Leases, and (vi) no tenant has
any right of set off or reduction against rent.

           (c) To  Borrower's  knowledge,  each  of the  Leases  has  been  duly
authorized,  approved and executed by all parties  thereto and  constitutes  the
legal, valid and binding obligations of the parties thereto, enforceable against
the parties  thereto in accordance  with their  respective  terms.  Borrower has
delivered  true,  correct  and  complete  copies of the  Leases  (including  all
amendments and supplements thereto) to Lender.

           (d) To Borrower's knowledge,  each of the Leases is in full force and
effect  and  there  are no  monetary  or other  material  defaults  by  Borrower
thereunder,  and, to the best knowledge of Borrower,  except as set forth on the
Rent  Roll,  there are no  monetary  or other  material  defaults  by any tenant
thereunder.  None of Borrower,  Manager or any other Person acting on Borrower's
behalf has given or received any notice of default  under any of the Leases that
remains  uncured or in dispute,  and Borrower is not intending to deliver such a
notice of default within the thirty (30) days following the date hereof.

           (e) Borrower has  delivered to Lender true and correct  copies of all
guaranties of Leases in Borrower's  possession  and to Borrower's  knowledge all
such guaranties are in full force and effect and constitute the legal, valid and
binding obligations of the parties thereto,  enforceable against such parties in
accordance with their respective terms.

           (f) To Borrower's knowledge, the Rent Roll for the Premises delivered
to Lender is true, correct and complete in all material respects.

           (g) To Borrower's knowledge, Borrower has delivered to Lender a true,
correct  and  complete  list of all  security  deposits  made by  tenants at the
Premises which have not been applied (including  accrued interest thereon),  all
of which are held by Borrower  in  accordance  with the terms of the  applicable
Lease and applicable Legal Requirements.

           (h) To Borrower's knowledge,  each tenant under a Major Lease is free
from bankruptcy or reorganization proceedings.

           (i) No tenant  under any Lease (or any  sublease)  is an Affiliate of
Borrower, except as may be disclosed otherwise on Schedule C annexed hereto.


                                      -27-


<PAGE>



           (j)  To  Borrower's  knowledge,   there  are  no  brokerage  fees  or
commissions  due and  payable  in  connection  with the  leasing of space at the
Premises,  except as has been previously  disclosed to Lender in writing, and no
such fees or commissions will become due and payable in the future in connection
with the Leases, including by reason of any extension of such Lease or expansion
of the space  leased  thereunder,  except as has  previously  been  disclosed to
Lender in writing.

           3.21 Environmental.  Borrower covenants and represents to Lender that
to its  knowledge,  except as  disclosed  in the  Environmental  Report,  (i) no
Hazardous  Substances  are now,  or have ever  been,  located,  produced,  used,
stored,  treated,  transported,  incorporated,  discharged,  emitted,  released,
deposited or disposed of in, upon,  under, over or from the Premises in a manner
that may give rise to any actual or potential liability to pay response costs or
other damages,  losses or expenses or otherwise violate any Environmental  Laws;
(ii) no  Hazardous  Substances  are  currently  located,  stored  or used at the
Premises,  except  with  respect  to such  Hazardous  Substances  which  are (A)
customarily located,  stored or used in premises similar to the Premises, or (B)
unique and necessary to a tenant's  business  located in the Premises,  provided
that such Hazardous Substances described in clause (ii)(A) or (ii)(B) are at all
times stored,  located and used in compliance with all Environmental Laws; (iii)
no Hazardous Substances have been discharged,  released or emitted, upon or from
the Premises into the environment,  and no threat exists of a discharge, release
or  emission  of a  Hazardous  Substance  upon or from  the  Premises  into  the
environment, which discharge, release or emission, in either case, would subject
the owner of the Premises to any damages,  penalties  or  liabilities  under any
applicable  Environmental  Laws; (iv) the Premises have not ever been used as or
for a mine, a landfill, a dump or other disposal facility, or a gasoline service
station;  (v) no  underground  storage tank is now located on or in the Premises
or, if previously located therein,  each such tank has been removed therefrom in
compliance  with  all  applicable  Environmental  Laws and any  clean-up  of the
surrounding soil in connection  therewith has been completed;  (vi) no asbestos,
ACM,  materials  containing  urea-formaldehyde,   or  transformers,  capacitors,
ballasts or other  equipment  that contain PCBs are located  about the Premises;
(vii) the Premises have never been used by Borrower or any Affiliate of Borrower
or, to the best of Borrower's  knowledge,  any other Person (including any prior
owner of the  Premises),  as a  permanent  or  temporary  treatment,  storage or
disposal  site for any  Hazardous  Substance;  (viii)  (A) no  violation  of any
Environmental Law now exists in, upon, under, over or from the Premises,  (B) no
notice of any such violation or any alleged violation thereof has been issued or
given by any Governmental Authority,  and (C) there is not now any investigation
or report involving the Premises by any  Governmental  Authority or agency which
in any way relates to Hazardous Substances;  (ix) no Person has given any notice
of or asserted any claim, cause of action,  penalty,  cost or demand for payment
or  compensation,  whether or not involving  any injury or threatened  injury to
human  health,  the  environment  or natural  resources,  resulting or allegedly
resulting from any activity or event described in clauses  (i)-(viii) above and,
to the best knowledge of Borrower,  no basis for such a claim exists;  (x) there
are not now, nor to Borrower's best knowledge have there ever been, any actions,
suits,  proceedings  or  damage  settlements  relating  in any way to  Hazardous
Substances in, upon, under,  over or from the Premises;  (xi) no oral or written
notification of a Release (as such term is defined in 42 U.S.C. ss. 9601(22)) of
any  Hazardous  Substances  has been filed by or on behalf of  Borrower  through
authorized  employees  or agents and the  Premises  are not listed on the United
States  Environmental  Protection  Agency's List of Hazardous Waste Sites or any
other list of Hazardous  Substance  sites  maintained  by any federal,  state or
local  Governmental  Authority;  (xii) there are no  environmental  liens on the
Premises and, to the best

                                      -28-


<PAGE>



knowledge of Borrower, no governmental actions have been taken or are in process
which  could  subject  the  Premises  to such  liens;  (xiii)  Borrower  has not
transported or arranged for the  transportation  of any Hazardous  Substances to
any  location  which is listed or proposed  for listing  under  CERCLA or on any
similar  state  list  or  which  is the  subject  of  federal,  state  or  local
enforcement  actions  or  other   investigations;   (xiv)  no  environmental  or
engineering  investigations,  studies,  audits, tests, reviews or other analyses
have been conducted by, or are in the possession of,  Borrower or its Affiliates
in relation to the Premises,  other than the Environmental Report;  Borrower has
delivered  a true,  correct and  complete  copy of the  Environmental  Report to
Lender; and (xv) to the best of Borrower's  knowledge,  the Environmental Report
does not  contain  any untrue  statement  of a material  fact or omit to state a
material fact necessary to make any statement  contained  therein or herein,  in
light of the circumstances under which such statement was made, not misleading.

           3.22  Americans  with  Disabilities  Act.  Except as set forth in the
Engineer's Report, to Borrower's  knowledge the Premises is in compliance in all
material   respects  with  all  of  the   requirements  of  the  Americans  with
Disabilities Act of 1990.

           3.23 No Default.  There is no Default on the part of  Borrower  under
this Agreement, the Note, the Mortgage or any other Loan Document.

           3.24 No Offsets.  Borrower has no counterclaims,  offsets or defenses
with respect to the Loan, the Note or any other Loan Document.

           3.25  Financial  Statements.  All  financial  statements of Borrower,
Limited Partner and/or Tower  heretofore  delivered to Lender in connection with
the Loan are true and correct in all material  respects  and fairly  present the
financial  condition of the subjects thereof as of the respective dates thereof,
and no material adverse change has occurred in the financial condition reflected
therein,  or the  operations or business of, such Persons  since the  respective
dates of the most recent financial statements delivered to Lender. The financial
statements  heretofore  delivered  have been  prepared  in  accordance  with the
procedures  and  accounting  principles  and standards  required by Section 4.14
hereof.

           3.26 No Insolvency.  None of Borrower or any other  Significant Party
is Insolvent,  and none of the foregoing  Persons will be rendered  Insolvent by
the execution of this Agreement, the Note or any other Loan Documents, or by the
consummation of the transactions contemplated hereby or thereby.

           3.27  Fraudulent  Conveyance.  Borrower  (i) has not entered into the
transactions  contemplated by this Agreement or any other Loan Document with the
actual intent to hinder,  delay, or defraud any creditor,  and (ii) has received
reasonably equivalent value in exchange for its obligations under the Note, this
Agreement  and the other  Loan  Documents.  Giving  effect  to the  transactions
contemplated by the Loan Documents,  the fair salable value of Borrower's assets
exceeds, and will,  immediately following the execution and delivery of the Loan
Documents and the advance of the Loan proceeds  thereunder,  exceed,  Borrower's
total probable liabilities, including, without limitation, the maximum amount of
its  subordinated,   unliquidated,   disputed  and/or  contingent   liabilities.
Borrower's assets do not, and, immediately  following the execution and delivery
of the

                                      -29-


<PAGE>



Loan  Documents  and the  advance  of the Loan  proceeds  thereunder,  will not,
constitute  unreasonably small capital to carry out its business as conducted or
as proposed to be  conducted.  Borrower does not intend to, and does not believe
that it will,  incur  debts  and  liabilities  (including,  without  limitation,
contingent  liabilities  and other  commitments)  beyond its ability to pay such
debts and liabilities as they mature (taking into account the timing and amounts
to be payable on or in respect of obligations of Borrower).

           3.28 Broker. No broker or consultant has been retained by Borrower or
any  Affiliate of Borrower in  connection  with the Loan or the Loan  Documents.
Borrower will indemnify,  defend and hold the Indemnified  Parties harmless from
and against all loss, cost, liability and expense arising from the claims of all
brokers  and  consultants  relating to the Loan  and/or the  Premises  with whom
Borrower,  any  Affiliate  of Borrower or any  employee or agent of Borrower has
dealt,  including,  without  limitation,  sales,  mortgage or leasing brokers or
consultants.

           3.29 Fiscal Year.  Each fiscal year of Borrower  commences on January
1.

           3.30 No Other  Financing.  Borrower  has not borrowed any funds which
have not heretofore been repaid in full, except for the Loan.

           3.31      ERISA.

           (a) The execution,  delivery and performance of this  Agreement,  the
Mortgage  and  the  other  Loan   Documents  do  not   constitute  a  Prohibited
Transaction, assuming solely for this purpose that Lender is a party in interest
as defined in Section 3(14) of ERISA  ("Party In  Interest")  or a  disqualified
person as defined in Section 4975(e)(2) of the Code ("Disqualified Person") with
respect to an employee  benefit plan,  if any,  which has directly or indirectly
invested in Borrower or in any General Partner.

           (b)  Borrower  has made,  and shall  continue to make,  all  required
contributions  to all employee  benefit plans,  if any,  within the time periods
required by the  applicable  provisions  of ERISA and any other federal or state
law, and Borrower  has no  knowledge  of any material  liability  which has been
incurred by Borrower which remains  unsatisfied  for any taxes or penalties with
respect to any employee benefit plan or any multi-employer  plan. Each such plan
has been administered in compliance with its terms and the applicable provisions
of ERISA and any other federal or state law.

           3.32 FIRPTA. Borrower is not a "foreign person" within the meaning of
Sections 1445 or 7701 of the Code.

           3.33  PUHCA.  Borrower is not a "holding  company"  or a  "subsidiary
company" of a "holding  company" or an "affiliate" of either a "holding company"
or a "subsidiary company",  all as defined in the Public Utility Holding Company
Act of 1935, as amended.

           3.34 Insurance.  All Insurance  Policies (as defined in the Mortgage)
required to be obtained and maintained by Borrower  pursuant to the Mortgage are
in full force and effect and the  premiums  due thereon  have been paid in full.
Borrower and the Premises are in compliance with the

                                      -30-


<PAGE>



provisions of such Insurance  Policies and the provisions  relating to Insurance
Policies in the Mortgage, and no notice of cancellation,  termination or default
has been received with respect to any such policy.

           3.35 No Margin  Stock.  None of the proceeds of the Loan will be used
by Borrower for the purpose of purchasing or carrying  "margin stock" within the
meaning  of  Regulation  G, T, U or X issued  by the Board of  Governors  of the
Federal Reserve System,  as at any time amended,  and Borrower agrees to execute
all instruments which may be necessary from time to time, if any, to comply with
all the  requirements of Regulation U of the Federal  Reserve System,  as at any
time amended.

           3.36  Investment  Company  Act.  Borrower  is not (i) an  "investment
company" or a company "controlled" by an "investment company" within the meaning
of the Investment Company Act of 1940, as amended,  or (ii) subject to any other
United States  federal or state law or regulation  which purports to restrict or
regulate its ability to borrow money.

           3.37  Taxes.  Borrower  has  filed all  federal,  state and local tax
returns  required  to be filed  prior to the date hereof and has paid all taxes,
charges and assessments  shown to be due from Borrower on such tax returns.  All
Taxes due and owing in respect of, and  affecting,  the Premises have been paid.
There are no pending, or to Borrower's best knowledge, proposed special or other
assessments for public improvements or otherwise affecting the Premises.

           3.38  Full and  Accurate  Disclosure.  No  statement  of fact made by
Borrower in this  Agreement or in any of the other Loan  Documents  contains any
untrue  statement  of a  material  fact or  omits  to state  any  material  fact
necessary  to  make  statements  contained  herein  or  therein  not  misleading
provided,  that with  respect to any third  party  information  provided  by the
seller of the  Premises to Borrower,  the  foregoing  representation  is made to
Borrower's  knowledge.  There is no material  fact  presently  known to Borrower
which has not been disclosed to Lender which  adversely  affects,  nor as far as
Borrower can foresee,  might  adversely  affect,  the Premises or the  business,
operations or condition  (financial  or otherwise) of Borrower,  other than with
regard to market risk inherent in projecting future operations.

           3.39      Contracts.

           (a) Borrower has not entered into,  and to its knowledge is not bound
by, any Contract which continues in existence, except the Approved Contracts.

           (b) To Borrower's  knowledge,  each of the Contracts is in full force
and  effect,  there are no  monetary  or other  material  defaults  by  Borrower
thereunder  and, to the best  knowledge  of  Borrower,  there are no monetary or
other material defaults thereunder by any other party thereto.  None of Borrower
or any other Person acting on Borrower's behalf has given or received any notice
of default under any of the Contracts that remains uncured or in dispute.

           (c) Borrower has delivered  true,  correct and complete copies of the
Contracts in Borrower's  possession  (including all  amendments and  supplements
thereto) to Lender.

                                      -31-


<PAGE>



           3.40 Other  Obligations and Liabilities.  Borrower has no liabilities
or other obligations that arose or accrued prior to the date hereof that, either
individually or in the aggregate, could have a Material Adverse Effect. Borrower
has no known  material  contingent  liabilities,  except  as may be set forth on
Schedule E annexed hereto.


                                    ARTICLE 4
                          CERTAIN COVENANTS OF BORROWER

Borrower hereby covenants and agrees with Lender as follows:

           4.1 Payment and  Performance of  Obligations.  Borrower shall pay and
otherwise  perform  the  Obligations  in  accordance  with the terms of the Loan
Documents.

           4.2       Transfers.

           (a) Borrower will not, directly or indirectly,  sell, assign, convey,
pledge,  hypothecate,  encumber or  otherwise  transfer  (each of the  foregoing
constituting  a "Transfer")  the Premises or any part  thereof,  or any interest
therein,  or  suffer,  consent  to or permit  the  foregoing,  without,  in each
instance,  the prior  written  consent of Lender.  Borrower  will not permit any
owner  (directly or  indirectly)  of a legal or beneficial  interest in Borrower
(including,  without limitation,  any owner, (directly or indirectly) of a legal
or beneficial  ownership  interest in General Partner to Transfer such interest,
whether by  transfer  of stock,  assignment  of  partnership  interest  or other
transfer  of legal or  beneficial  interest  in  Borrower  or in any  direct  or
indirect  owner  thereof,  or otherwise  permit any new or  additional  legal or
beneficial ownership interests in Borrower or any direct or indirect owner to be
issued, including,  without limitation, by admission of new members, without, in
each instance,  the prior written consent of Lender,  which consent shall not be
unreasonably  withheld  in the case of a Transfer  to an  Affiliate  of Borrower
only;  provided,  however,  that nothing  contained herein shall be construed to
prohibit any Transfers of the capital stock of Tower.

           (b) To the extent that Lender elects to consent to any Transfer as to
which its consent is required  hereunder,  Lender shall be entitled to condition
its  consent  on such  matters  as Lender  may  elect,  in its sole  discretion,
including,  without  limitation,  execution of  instruments  of  assignment  and
assumption with respect to the Loan Documents and the  Collateral,  payment of a
transfer  fee or other  consideration,  delivery of Officer's  Certificates  and
affidavits and indemnities, including an affidavit and indemnification regarding
Code Sections 1445 and 7701, agreements restricting actions which may or may not
be taken by any  transferee or its owners or  restrictions  in any such Person's
Organizational  Documents  with  respect  thereto,   additional  or  replacement
security for the Loan,  restrictions as to the use of any consideration paid for
such Transfer,  and opinions,  including  opinions  regarding the assumptions of
obligations  hereunder,  substantive  consolidation  and such  other  matters as
Lender may  request.  Within ten (10) days  after the  closing of any  Transfer,
whether or not such Transfer required  Lender's consent,  if (i) the Premises or
any part  thereof  or any  interest  therein,  or (ii) any  direct  or  indirect
ownership  interests in Borrower,  is transferred,  Borrower will provide Lender
with a copy of the deed or  other  instrument  of  Transfer  to the  transferee.
Borrower will promptly  after request  therefor  provide  Lender with such other
information and documentation with

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<PAGE>



           respect  to  such  Transfer  as  Lender  shall  reasonably   request,
including, without limitation, information as to ownership of such transferee.

           (c) Upon the  occurrence  of any  Transfer,  the  provisions  of this
Section  4.2  shall  continue  to  apply  to the  transferee  as if it were  the
transferor  hereunder,  and any  consent  by  Lender  permitting  a  transaction
otherwise  prohibited  under this  Section  4.2, or any right of Borrower or any
other Person to Transfer without such consent, shall not constitute a consent to
or waiver of any right,  remedy or power of Lender to withhold  its consent on a
subsequent  occasion to a transaction not otherwise  permitted by the provisions
of this  Section  4.2.  Notwithstanding  the giving of any consent  hereunder by
Lender, Borrower shall not engage in any Prohibited Transaction.

           (d)  Notwithstanding  the  provisions  of this Section 4.2,  Obsolete
Collateral  (as such term is defined in the  Mortgage)  may be sold or otherwise
disposed of,  provided,  however,  that either (i) such Obsolete  Collateral has
been or is  contemporaneously  being  replaced  by  Collateral  (as such term is
defined in the Mortgage) of at least equal value and utility which is subject to
the Lien of the Mortgage  with the same priority as with respect to the Obsolete
Collateral,  or (ii) such Obsolete  Collateral may be removed without  adversely
affecting the maintenance, safety and operations at the Premises.

           4.3 Liens.  Borrower shall not create,  suffer or permit to exist any
mortgage,  pledge,  lien, security interest  (including,  without limitation,  a
purchase  money  security  interest),  encumbrance,  charge,  attachment,  levy,
distraint or other judicial process  (collectively,  "Liens") on, of or against,
or otherwise affecting,  all or any portion of the Premises (including,  without
limitation,  fixtures and other  personal  property),  or any other  property of
Borrower (whether tangible or intangible and now owned or hereafter acquired) in
favor of any Person  other than  Lender,  without the prior  written  consent of
Lender  (which  consent may be withheld in  Lender's  sole  discretion)  in each
instance, other than the Permitted Encumbrances.

                     [REST OF PAGE INTENTIONALLY LEFT BLANK]

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<PAGE>



           4.4       Indebtedness.

           (a)  Borrower  shall not  without  Lender's  prior  written  consent,
create,  incur or assume any  Indebtedness,  except for (i) the Loan, (ii) Trade
Payables in connection with the operation of the Premises  payable within ninety
(90) days,  which  shall in no event  exceed at any one time  $500,000  (or such
greater sum as shall be included in any Approved Budget), and (iii) Indebtedness
evidenced by capital  lease  agreements  which are secured  solely by the assets
financed  thereby,  but in no event  shall all of such  capital  leases,  in the
aggregate,  exceed at any time $1,000,000.  Each month,  together with the other
financial statements required to be furnished hereunder,  Borrower shall furnish
Lender a Certification  detailing the Indebtedness then  outstanding,  including
the  number of days (in  increments  of 30 days)  that  each  Trade  Payable  of
Borrower has been  outstanding.  Borrower shall not create,  incur or assume any
other  Indebtedness,  if doing so would  cause  Borrower to be in  violation  of
Section 8.1(vii)  hereof,  or any other provision of this Agreement or the other
Loan Documents applicable thereto.

           (b) Notwithstanding  that any Trade Payables incurred with respect to
the Premises are otherwise permitted  hereunder,  Borrower shall pay any portion
of such Trade  Payables  which  becomes due and payable  within  sixty (60) days
following  the date on which each such  amount is due and  payable.  Except with
respect to the Loan,  nothing  contained  in this Section 4.4 shall be deemed to
require Borrower to pay any amount, so long as Borrower is in good faith, and by
proper  legal  proceedings,   diligently  contesting  the  validity,  amount  or
application thereof,  provided,  however,  that in each case, at the time of the
commencement  of any such action or proceeding,  and during the pendency of such
action or proceeding (i) adequate  reserves with respect  thereto are maintained
on the books of  Borrower  in  accordance  with  generally  accepted  accounting
procedures  (as  determined  by the  Approved  Accountant),  (ii)  such  contest
operates  to  suspend  collection  or  enforcement,  as the case may be,  of the
contested amount and such contest is maintained and prosecuted  continuously and
with  diligence,  and (iii)  Borrower  shall deliver to Lender cash in an amount
equal to the amounts being  contested which exceed $100,000 in the aggregate and
any estimated additional interest,  charge or penalty arising from such contest.
Any cash so delivered  shall  constitute  additional  security for the Loan. Any
such cash shall be held and  invested in the same manner and subject to the same
general terms as amounts deposited in the Cash Collateral Account under the Cash
Management Agreement and, upon the occurrence of an Event of Default, Lender may
apply such monies in the same manner as other monies held in the Cash Collateral
Account.  Borrower  shall  execute such  instruments  as Lender shall require to
evidence  Lender's  perfected first priority  security  interest  therein and to
effectuate  the  provisions  hereof.  If, prior to the occurrence of an Event of
Default,  Borrower  shall  provide  evidence  satisfactory  to  Lender,  in  its
reasonable  judgment,  that Borrower has paid the disputed amount,  or otherwise
settled the same and paid any amount to be paid under such  settlement,  or that
Borrower  has received a final  unappealable  judgment in its favor that it need
not pay any disputed amount,  together with an Officer's Certificate  confirming
the  foregoing,  then Lender  shall return any cash  deposited  with Lender with
respect to such disputed amount. If Borrower ceases to contest  continuously and
with due diligence any contest  described above, or fails to provide Lender with
evidence  satisfactory  to Lender that it is doing so within ten (10) days after
Lender's  request,  or if there shall be a final judgment  against Borrower with
respect  thereto,  then  Lender may apply all or any  portion of the cash to pay
such  disputed  amount and Lender  shall have no  liability  to Borrower for any
determination made by Lender, in good faith, that it is entitled to do

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<PAGE>



so or as to the  amount to then be paid with  respect to such  disputed  amount,
whether or not that determination is found to be accurate.

           4.5       Compliance with Restrictive Covenants, Etc.

           (a)  Borrower  will not  modify,  waive in any  material  respect  or
release any Easements, restrictive covenants or other Permitted Encumbrances, or
suffer,  consent to or permit the  foregoing,  without  Lender's  prior  written
consent,  which  consent may be granted or denied in Lender's  sole  discretion.
Borrower  will  timely  comply in all  material  respects  with the terms of all
Easements, restrictive covenants and all other Permitted Encumbrances.  Borrower
shall take such further  actions as Lender may  reasonably  request from time to
time  with  respect  to  such  Easements,  restrictive  covenants  or  Permitted
Encumbrances.

           (b)  Borrower  shall  observe  and  comply  with any  conditions  and
requirements  necessary to preserve  and extend any and all rights,  privileges,
franchises  and  concessions  that are  applicable to the Premises,  the use and
occupancy thereof, or the business conducted thereat,  and will timely comply in
all material respects with all regulations, rules, ordinances,  statutes, orders
and decrees of any  Governmental  Authority or court applicable to it and/or the
Premises or any part thereof.

           4.6       Leases.

           (a) Except as permitted in this Section 4.6,  Borrower will not enter
into, modify,  amend, consent to the cancellation or surrender of (except to the
extent such cancellation or surrender is by the tenant thereunder  pursuant to a
pre-existing  right to do so under a Lease) or terminate any Lease,  whether now
existing or hereafter entered into, without the prior written consent of Lender,
which may be granted or withheld in Lender's  sole  discretion.  Notwithstanding
the  foregoing,  Lender  shall use its  commercially  reasonable  discretion  in
granting  or  withholding  its  consent  with  respect  to  a  new  Lease  or  a
modification of a Lease, provided,  however, that (i) the tenant under the Lease
in question is not an Affiliate of Borrower,  (ii) such  transaction  is entered
into on arms  length  terms  (without  consideration  of any other  relationship
Borrower or any  Affiliate of Borrower may have with the tenant or any Affiliate
of such tenant), and (iii) the fair market value of the Premises and the ability
of Borrower  to make all  payments  under the Loan  Documents  is not  adversely
affected thereby.

           (b)  Borrower  will  timely  comply  with  all  material   terms  and
conditions on its part to be performed under each Lease.  Borrower shall neither
do nor  neglect  to do,  nor  permit  to be done,  anything  which may cause the
termination of any Lease,  other than due to the default of the tenant(s)  under
such Lease. Borrower shall not collect any rent or other payment under any Lease
more than one month in advance of the due date  thereof.  Borrower  will use its
best efforts to require the performance of all of the obligations of tenants and
other Persons bound by the Leases and to enforce the Leases,  subject,  however,
to the limitation on termination described in this Section 4.6.

           (c) Borrower may, without Lender's prior written consent,  enter into
any Lease  which will not be a Major  Lease when such Lease  comes into  effect,
provided  that each of the following  conditions is satisfied:  (i) the rent and
other  material  business  terms of such  Lease  are on then  prevailing  market
standards for similar buildings in mid-town Manhattan, New York at the time of

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<PAGE>



execution of such Lease; (ii) the Lease does not provide for the rent to decline
at any point  during the term of such  Lease;  (iii) such Lease does not contain
any options to purchase or other  rights with  respect to the  ownership  of the
Premises;  (iv) such Lease does not contain any  restrictions  on the landlord's
rights to lease remaining  portions of the Premises,  except that such Lease may
contain  options to lease  additional  space in the Premises in accordance  with
then existing market standards;  (v) such Lease does not contain any options for
the tenant  thereunder  to  terminate  such Lease,  other than in the event of a
material  casualty  or  condemnation;  (vi)  such  Lease  does not  contain  any
extraordinary  landlord obligations (including obligations which an unaffiliated
landlord would have difficulty performing);  (vii) such Lease is entered into on
the  standard  form of Lease which  Lender has  previously  approved,  with such
changes  therein  as are  necessitated  by the  business  terms  or  such  other
non-material  changes  thereto as a proposed  tenant may request and Borrower is
willing to agree to;  (viii) such Lease is entered  into on arms  length  terms,
without  consideration of any relationship Borrower or any Affiliate of Borrower
may otherwise have with the tenant thereunder or any Affiliate thereof; and (ix)
the Lease shall contain each of the provisions required by this Section 4.6.


           (d) Borrower may, without  Lender's prior written consent,  modify or
amend  any Lease  which is not a Major  Lease,  provided  that  either  (i) such
modification  or amendment is required to be entered into  pursuant to the terms
of such Lease, or (ii) each of the following  conditions is satisfied:  (A) such
amendment  or  modification  is entered  into on an  arms-length  basis  without
consideration  of any relationship of Borrower or any Affiliate of Borrower with
the tenant  thereunder or any Affiliate  thereof;  (B) such Lease would not be a
Major  Lease and would,  after  such  amendment  or  modification,  satisfy  the
conditions set forth in clauses (ii), (iii),  (iv), (v), (vi), (vii) and (ix) of
Subsection  4.6(c)  hereof,  to as  great  an  extent  as it did  prior  to such
amendment or modification;  (C) such amendment or modification  does not release
any party  from its  liability  under the Lease or  reduce  the  square  footage
demised  thereunder;  (D) to the  extent  that any  additional  space is demised
pursuant to such amendment or modification, with respect thereto, such amendment
or  modification  satisfies this Section 4.6; (E) such amendment or modification
does not reduce the rent paid under the Lease;  (F) after such  amendment,  such
Lease, as modified, continues to be subordinate to the Liens of the Mortgage and
the Assignment of Leases and Rents; and (G) such amendment or modification  does
not  otherwise  have a material  adverse  effect on the fair market value of the
Premises or the Lien of the Mortgage on the Premises.  Borrower may, without the
prior written consent of Lender,  terminate any Lease which is not a Major Lease
in its good faith  exercise of its  remedies  under such Lease,  or at law or in
equity,  by reason of a material  monetary  default having  continued under such
Lease for at least thirty (30) days after notice to the tenant thereof.  Without
first obtaining  Lender's prior written  consent,  Borrower shall not consent to
any assignment or subletting of any Lease unless the consent of Borrower may not
be withheld under such  circumstances  under the terms of the applicable  Lease,
except that Borrower may, without Lender's prior written consent, consent to any
assignment or subletting which does not release the liability of any Person then
liable  thereunder as tenant,  guarantor or otherwise (1) if such  assignment or
subletting  is of a Lease which is not a Major  Lease,  or (2) is for a sublease
under a Major Lease, which, if Borrower had entered into such sublease directly,
would not constitute a Major Lease.

           (e) Each Lease  executed  by  Borrower  after the date  hereof  shall
provide, in a manner satisfactory to Lender, for (i) automatic  subordination of
such Lease to the Liens of the Mortgage

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<PAGE>




and the  Assignment  of Leases  and  Rents,  (ii)  attornment  by the  tenant or
licensee thereunder to Lender promptly after the giving by Lender of a notice to
such tenant requiring such attornment,  (iii) the tenant or licensee  thereunder
to give a notice to Lender of each material  default by the landlord or licensor
thereunder,  simultaneously  with the  giving of notice of such  default to such
landlord or licensor, (iv) Lender to have the right, but not the obligation,  to
cure any default by the landlord or licensor  thereunder after the expiration of
the landlord's or licensor's cure period, if any, and (v) execution and delivery
(not  more  than  ten  (10)  days  after  a  request  therefor)  of an  estoppel
certificate  satisfactory to Lender. Without limiting the foregoing,  each Lease
shall also  provide  that  Lender (or any other  successor  to the  landlord  or
licensor  acquiring the Premises by foreclosure,  deed in lieu of foreclosure or
otherwise in connection with the  enforcement of the Loan  Documents)  shall not
be: (A) liable for any  previous  act or  omission  of the  landlord or licensor
under such Lease; (B) subject to any credit, demand, claim, counterclaim, offset
or defense  which  theretofore  accrued to such tenant or  licensee  against the
landlord or licensor;  (C) unless  consented  to by Lender or permitted  without
Lender's  consent under this Section 4.6, bound by any previous  modification of
such Lease, or by any previous prepayment of more than one month's fixed rent or
additional  rent;  (D) bound by any  covenant or  obligation  of the landlord or
licensor to perform,  undertake  or complete any work in the leased space of the
Premises  or to prepare  it for  occupancy;  (E)  required  to  account  for any
security  deposit of the tenant or  licensee  other  than any  security  deposit
actually  delivered to Lender by Borrower;  (F) bound by any  obligation to make
any  payment  to such  tenant or  licensee  or grant  any  credits,  except  for
services,  repairs,  maintenance and restoration provided for under the Lease to
be performed by landlord or licensor after the date of such attornment;  and (G)
responsible  for any monies  owing by the landlord or licensor to such tenant or
licensee. Lender shall, upon request, execute and exchange with any tenant under
a Major Lease or any other Lease of office  space at the  Premises  demising one
full  floor  or more of  office  space,  a  non-disturbance,  subordination  and
attornment  agreement  in such  form as  Lender  shall  approve  in its sole and
absolute discretion,  provided,  however,  that Borrower shall deliver with such
request an  Officer's  Certificate  stating  that such Lease was entered into in
accordance  with the terms of this Section 4.6 and any other  provisions  of the
Loan Documents  applicable thereto.  All actual out of pocket costs and expenses
of Lender (including, without limitation,  attorneys' fees and disbursements) in
connection with Lender's review of any Lease and the  negotiation,  preparation,
execution  and  delivery  of any  non-disturbance  agreement  shall  be  paid by
Borrower within five (5) days after request therefor by Lender. Prior to seeking
Lender's  consent to any Lease,  Borrower shall deliver to Lender a copy of such
Lease, blacklined to show the changes from the standard form of Lease previously
approved by Lender.


           (f) All  security  deposits of tenants,  whether  held in cash or any
other form,  shall not be  commingled  with any other funds of Borrower  and, if
cash, shall be deposited by Borrower at such commercial or savings bank or banks
as may be reasonably  satisfactory to Lender. Any bond or other instrument which
Borrower  is  permitted  to hold in lieu of cash  security  deposits  under  any
applicable  legal  requirements (i) shall be maintained in full force and effect
in the full amount of such deposits  unless  replaced by cash deposits as herein
above described,  (ii) shall be issued by an institution reasonably satisfactory
to Lender,  (iii) shall, if permitted pursuant to any legal  requirements,  name
Lender  as  payee or  mortgagee  thereunder  (or at  Lender's  option,  be fully
assignable to Lender), and (iv) shall in all respects comply with any applicable
Legal Requirements and otherwise be satisfactory to Lender. Borrower shall, upon
request,  provide  Lender with  evidence  satisfactory  to Lender of  Borrower's
compliance  with  the  foregoing.   Following  the  occurrence  and  during  the
continuance of

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<PAGE>



any Event of Default,  upon Lender's demand,  Borrower shall turn over to Lender
the security deposits (and any interest theretofore earned thereon) with respect
to all or any portion of the Premises, to be held by Lender subject to the terms
of the Leases. If Borrower is entitled to retain a security  deposit,  then such
amount shall be transferred by Borrower into the Clearing Account.

           4.7  Delivery of Notices.  Borrower  will  promptly,  but in no event
later than five (5) days after  Borrower  becomes  aware of any of the following
events,  furnish  a  written  notice to  Lender  (together  with the  applicable
correspondence and papers relating thereto)  specifying the nature and period of
existence of such  condition or event and,  with respect to events  described in
clause  (i) below,  what  action  Borrower  is taking or  proposes  to take with
respect thereto (compliance with the provisions of this Section 4.7 shall not be
deemed or construed to constitute a waiver of or consent to any Default or Event
of Default of which  Borrower has given Lender  notice  pursuant to this Section
4.7):

                     (i) any  Default  hereunder  or under any of the other Loan
           Documents, or any Event of Default;

                     (ii) (A) any receipt or delivery by Borrower of a notice of
           default or  termination,  (B) any proposed action with respect to any
           default,  or (C) any  failure by any person or entity to perform  any
           material obligation, maintain any material representation or warranty
           or satisfy any material  condition,  in each instance,  in connection
           with  any  Major  Lease,  the  Management  Agreement,   any  material
           Contract, any Easement, any recorded instrument or any Permit;

                     (iii) the filing of any action,  suit or proceeding against
           or affecting Borrower or the Premises that, if adversely  determined,
           could   singly  or   collectively   (A)   impair  the   validity   or
           enforceability  of this  Agreement or any of the other Loan Documents
           or otherwise have a Material Adverse Effect,  or (B) result in a Lien
           on any portion of the Premises; and/or

                     (iv) any notice  received from any  Governmental  Authority
           asserting a  violation  of any  material  Legal  Requirement  and any
           correspondence to or from Borrower with respect thereto.

           Without  limiting the  generality  of the  foregoing,  Borrower  will
transmit  to  Lender,   immediately  upon  receipt  thereof,  any  communication
(addressed  to Borrower or any  Affiliate of Borrower)  which relates to matters
which could  adversely  affect  Lender's  security for the Loan or could have an
adverse  effect  on  the  financial  condition  of  Borrower  and/or  any  other
Significant Party, and will promptly respond fully to any inquiry of Lender made
with respect thereto.

           4.8       ERISA.

           (a) In addition to the  prohibitions set forth in Section 4.2 hereof,
and not in limitation  thereof,  Borrower shall not Transfer or hypothecate  its
interest or rights in this Agreement or in the Premises, or attempt to do any of
the  foregoing  or suffer any of the  foregoing,  nor shall any Person  owning a
direct or indirect  interest in Borrower  Transfer any of its rights or interest
(direct or

                                      -38-


<PAGE>



indirect) in Borrower,  attempt to do any of the  foregoing or suffer any of the
foregoing, nor shall Borrower or any Person owning a direct or indirect interest
in Borrower take, without limitation, any action or fail to take any action, if,
in any such case,  doing so would (i) cause the Loan or the  exercise  of any of
Lender's rights in connection  therewith to constitute a Prohibited  Transaction
(unless  Borrower  furnishes a legal opinion  reasonably  satisfactory to Lender
that the same is exempt from the Prohibited  Transaction provisions of ERISA and
the Code or otherwise  does not constitute a Prohibited  Transaction),  assuming
solely for this  purpose  that Lender is a Party In  Interest or a  Disqualified
Person with respect to an employee  benefit plan, if any,  which has directly or
indirectly  invested in Borrower or General Partner, or (ii) otherwise result in
Lender  being deemed in violation  of any  applicable  provisions  of ERISA with
respect to the Loan.  Borrower and General  Partner shall take such steps as are
necessary  to  assure  that  each of them (and  their  respective  shareholders,
partners  and  members)  does not commit any act, or fail to commit any act, the
occurrence  of which or the failure of which to occur would cause the Loan to be
a Prohibited Transaction.

           (b) If the  provisions  of this  Section 4.8 are  violated,  Borrower
agrees,  at its own  cost and  expense,  to take  such  steps  as  Lender  shall
reasonably  request to prevent the occurrence of a Prohibited  Transaction or to
correct  the  occurrence  of  a  Prohibited  Transaction.   Borrower  agrees  to
indemnify,  defend and hold the  Indemnified  Parties free and harmless from and
against  all  loss,  costs  (including  attorney's  fees and  expenses),  taxes,
penalties,  damages and expenses any  Indemnified  Party may suffer by reason of
the  investigation,  defense and settlement of claims based upon a breach of the
foregoing  provisions.  The provisions of Section 6.5 hereof shall apply to such
indemnification.  The foregoing  indemnification  shall survive repayment of the
Loan.

           4.9  Agreements  with  Affiliates.  Borrower shall not enter into any
contract,  agreement or other  arrangement with any Affiliate of Borrower unless
such  contract or agreement  provides for market rates which would be charged by
third parties which are not  Affiliates in respect of the goods and/or  services
provided  thereunder.  If requested by Lender,  such contract or agreement shall
provide  Lender the right to  terminate  it upon  Lender's  (or its  designee's)
acquisition of the Premises through foreclosure,  a deed-in-lieu of foreclosure,
Uniform Commercial Code sale or otherwise.

           4.10 After Acquired  Property.  Borrower will grant to Lender a first
lien security interest in and to all equipment and other personal property owned
by  Borrower,  whether  or not  used  in the  construction,  maintenance  and/or
operation of the Improvements,  immediately upon acquisition of same or any part
of same.

           4.11 Books and Records. Borrower shall keep and maintain at all times
at its principal office complete, true and accurate books of account and records
reflecting the results of its  operations.  Borrower  shall permit  Lender,  its
agents,  consultants and  representatives,  upon reasonable notice (which may be
given orally or in writing) and at  reasonable  times,  to examine and audit the
books and records of Borrower and make copies  thereof,  at Borrower's  expense.
Borrower shall cause the Manager and its Affiliates to make all records relating
to the  Premises  available  to Lender and shall cause the Manager to  cooperate
with any examination,  audit or other inquiry  (including  causing the personnel
responsible for the Premises to be available to respond to inquiries).

           4.12      Delivery of Estoppel Certificates.

                                      -39-


<PAGE>



           (a) Borrower shall,  from time to time, within twenty (20) days after
written  request from Lender,  furnish to Lender or such other party (or parties
as may be requested by Lender) a written  certificate  setting  forth the unpaid
principal  of and  interest  due on the Note and any  other  sums  evidenced  or
secured  by the  Mortgage,  and/or the other Loan  Documents,  stating  the date
through which  interest has been paid,  and stating  whether or not any offsets,
defenses  or  counterclaims  exist  with  respect  to  the  Loan  Documents.  If
requested, such certificate will also attach true and correct copies of any Loan
Documents and state such other information as Lender shall require. Upon request
of Lender,  Borrower shall cause Manager within twenty (20) days (or thirty (30)
days if Manager is not an Affiliate  of Borrower)  after such request to furnish
Lender  or such  other  party or  parties  as  Lender  may  request,  a  written
certificate certifying as to such matters as Lender may reasonably request.

           (b) Borrower  shall use all  reasonable  efforts to deliver to Lender
upon request, which may be made from time to time (but not more than once during
the Term in respect of any such tenant),  tenant estoppel certificates from each
commercial tenant at the Premises in form and substance reasonably  satisfactory
to Lender.

           4.13      Management, Etc.

                     4.13.1    Management.

           (a) The  Premises  are at all times to be managed in a competent  and
professional  manner  appropriate for office premises similar to the Premises by
either  (i)  Borrower,  or  (ii)  by a  prominent  professional  managing  agent
("Manager"),  in which case Borrower  shall enter into a written  Agreement with
Manager  (each  such  agreement,  as the  same may be  amended  or  modified  in
accordance  with the terms hereof and any  replacement  thereof  entered into in
accordance  with  the  terms  of  this  Agreement,  a  "Management  Agreement");
provided,  however,  that  prior to  engaging  such  Manager  or  executing  any
Management Agreement,  such Manager and Management Agreement shall be subject to
approval by Lender in its reasonable discretion.

           (b) Borrower represents it will deliver to Lender a true, correct and
complete copy of any Management Agreement, and will cause any Manager to execute
and deliver an Assignment and Subordination of Management  Agreement in form and
substance   reasonably   satisfactory  to  Lender  (a  "Manager  Assignment  and
Subordination"),  which shall provide, inter alia, that the terms and conditions
of any subsequent  Management  Agreement  between  Manager and Borrower,  or any
amendment  or  modification  of any  Management  Agreement  between  Manager and
Borrower, and any compensation of Manager with respect to its services performed
at or in connection  with the Premises  (other than an extension of the existing
Management  Agreement  for  compensation  which is no greater,  and on terms and
conditions no less favorable to Borrower,  than those  contained in the existing
Management Agreement) are subject to approval by Lender in its sole and absolute
discretion.

                     4.13.2  Management  Termination.  In the event  that  there
shall have occurred and be continuing an Event of Default,  then,  upon Lender's
request,  Borrower  shall  replace the  present  Manager  with a managing  agent
approved by Lender in its sole discretion.

                                      -40-


<PAGE>



           4.14      Financial Statements; Audit Rights.

                     4.14.1 Statements to be Delivered. Until the Loan is repaid
in  full,   Borrower  shall  cause  the  following   financial   statements  and
documentation to be delivered at the time and in the form and manner  referenced
below:

                     (i)  audited  statements  of  financial  position  (balance
           sheet) of  Borrower  as of the close of each  fiscal year of Borrower
           during the Term (which may be included  in a  consolidated  financial
           statement of Tower), and of Receipts, Expenses and retained earnings,
           changes in  financial  position  and cash flows for such fiscal year,
           which statements shall be duly certified by the Designated Officer to
           fairly  represent the financial  condition of Borrower as of the date
           thereof  and to have  been  prepared  in  accordance  with  generally
           accepted  accounting  principles and accompanied by an opinion of the
           Approved Accountant (which opinion shall be unqualified and shall not
           contain  any  "statement  of  emphasis")  to  the  effect  that  such
           financial  statements present fairly, in all material  respects,  the
           financial  condition  of  Borrower  as of the end of the fiscal  year
           being  reported  on and that the results of the  operations  and cash
           flows  for  said  year  are in  conformity  with  generally  accepted
           accounting principles, consistently applied, and that the examination
           of  the  Approved   Accountant  in  connection  with  such  financial
           statements has been conducted in accordance  with generally  accepted
           auditing  standards and included such tests of the accounting records
           and such other auditing  procedures as the Approved Accountant deemed
           necessary in the circumstances;

                     (ii) an unaudited  quarterly  balance sheet of Borrower,  a
           statement of profits and losses and a  calculation  of net cash flows
           for the applicable  quarter,  including  Receipts and Expenses,  such
           quarterly  financial  statements  to  be  certified  by a  Designated
           Officer to fairly represent the financial condition of Borrower as of
           the  date  thereof  and to have  been  prepared  in  accordance  with
           generally accepted accounting principles;

                     (iii) a monthly  operating  statement showing all Receipts,
           Expenses  and net  cash  flow  for  the  applicable  calendar  month,
           year-to-date  results and variances  from the same month in the prior
           calendar year and from the Approved Budget, and such other matters as
           Lender shall reasonably require,  which monthly operating  statements
           shall be certified by a  Designated  Officer to be true,  correct and
           complete  in all  material  respects  and shall be prepared on a cash
           basis;

                     (iv) not  later  than  each  December  1 during  the  Term,
           Borrower  shall  submit to Lender a detailed  budget for the Premises
           covering the calendar year  commencing  on the  following  January 1,
           each of which budgets shall be subject to Lender's approval (provided
           that  Borrower  shall  have the  option to submit to Lender a revised
           budget not later than June 30 of each year  during the Term to adjust
           such  budget on the basis of the actual  results of  Borrower to such
           point in such calendar year)(each such budget,  when so approved,  is
           referred to as an "Approved  Budget");  until Lender shall  approve a
           new budget,  the Approved  Budget from the prior year shall remain in
           effect. It is expressly understood and agreed that the budget for the
           1998 calendar  year shall be submitted to Lender for approval  within
           ninety (90) days following the Closing Date;

                                      -41-


<PAGE>



                     (v) the annual Form 1065 (with accompanying  schedules K-1)
           (or any substitute therefor) prepared by Borrower;

                     (vi) a schedule of all accounts  payable at the end of each
           calendar  quarter,  certified  by a  Designated  Officer  to be true,
           correct and complete in all material respects;

                     (vii) monthly Rent Rolls, certified by a Designated Officer
           to be true, correct and complete in all material respects; and

                     (viii) such other  reports  and  information  which  Lender
           reasonably  requires  certified by a  Designated  Officer to be true,
           correct and complete in all material respects.

                     4.14.2 Time for  Delivery.  The  statements  referred to in
paragraph  (i) of Section  4.14.1  hereof shall be  delivered  to Lender  within
ninety  (90)  days  after  the last day of each  fiscal  year of  Borrower.  The
statements  referred to in  paragraphs  (ii) and (vi) of Section  4.14.1  hereof
shall be delivered to Lender  within thirty (30) days after the last day of each
calendar  quarter.  The  reports  referred to in  paragraphs  (iii) and (vii) of
Section 4.14.1 hereof shall be delivered to Lender within twenty (20) days after
the last day of each calendar month.  Notwithstanding  anything to the contrary,
the  information  required under paragraph (v) of Section 4.14.1 hereof shall be
delivered to Lender  simultaneously  with  delivery to the  partners/members  of
Borrower  but in no event later than ninety (90) days after the last day of each
fiscal year of Borrower. All Financial Statements shall be in form and substance
satisfactory to Lender.

                     4.14.3  Officer's  Certificate.  Each  Financial  Statement
described in paragraphs  (i),  (ii) and (iii) of Section  4.14.1 hereof shall be
accompanied by an Officer's Certificate of Borrower certifying that, to the best
of such  officer's  knowledge,  after due  inquiry,  Borrower  has  observed and
performed,  in all material respects,  all of its covenants and other agreements
contained in this Agreement and the other Loan  Documents,  whether there exists
any material Default or Event of Default and, if there is, specifying the nature
and period of existence  thereof and the action  Borrower is taking or proposing
to take with respect thereto.

           4.15  Maintenance of Non-Taxable  Status.  Borrower will maintain its
status of being taxed as a  partnership  for the purposes of federal,  state and
local income taxes.

           4.16 Lender's Attorneys' Fees and Expenses.  Borrower shall appear in
and defend any action or  proceeding  purporting  to affect the  security of the
Mortgage  or  the  security  interests  granted  under  any of  the  other  Loan
Documents,  or the rights and powers of Lender under any of the Loan  Documents,
and Borrower (in addition to Lender's attorneys' fees and expenses to be paid by
Borrower otherwise pursuant to this Agreement or the other Loan Documents) shall
pay all of  Lender's  attorneys'  fees  and  expenses  in  connection  with  the
enforcement of this Agreement and the other Loan Documents and the collection of
all amounts payable hereunder and thereunder.  In case of any Default under this
Agreement or any of the other Loan Documents,  or if any action or proceeding is
commenced in which it becomes necessary to defend or uphold the Lien or priority
of the Mortgage or the other Loan Documents, or which adversely affects Lender's
interests in the Premises or any part  thereof,  including,  but not limited to,
eminent domain, or proceedings of any

                                      -42-


<PAGE>



nature   affecting  the  Premises  or  involving  the  bankruptcy,   insolvency,
arrangement,  reorganization  or other  form of debtor  relief  with  respect to
Borrower or any other Significant  Party or relating to a decedent,  then Lender
may,  but without  obligation  to do so, and without  releasing  Borrower or any
other  Significant  Party from any obligation  hereunder or under the other Loan
Documents,  make such  appearances,  disburse such reasonable sums and take such
action as Lender deems necessary or appropriate to protect Lender's  interest in
the  Premises.  All costs  incurred  by Lender,  including  attorneys'  fees and
disbursements,  in taking any action  described  above shall be paid by Borrower
upon demand  together  with  interest  thereon at the Default Rate from the date
paid by Lender  through the date of  repayment by Borrower and the same shall be
deemed to constitute  protective  advances  evidenced by the Note and secured by
the Mortgage and the other Loan Documents.  In addition to, and without limiting
the  generality  of, the foregoing,  if, at any time  hereafter,  Lender employs
counsel  (i) for  advice or other  representation  (whether  or not any suit has
been, or shall thereafter be, filed, and whether or not other legal  proceedings
have been, or shall thereafter be,  instituted,  and whether or not Lender shall
be a party  thereto) with respect to the Loan, the Premises or any part thereof,
this Agreement or any of the other Loan Documents, or (ii) to protect,  collect,
lease,  sell, take possession of, foreclose upon or liquidate all or any part of
the Premises,  or to attempt to enforce any security  interest or Lien in all or
on any part of the  Premises,  or to  enforce  any  rights  of  Lender or any of
Borrower's  obligations  hereunder or under any of the other Loan Documents,  or
any  obligations  of any other Person which may be obligated to Lender by virtue
of this Agreement or any other agreement,  instrument or document  heretofore or
hereafter  delivered to Lender by or for the benefit of Borrower,  then,  in any
such event,  all of the attorneys' fees and expenses arising from such services,
and all expenses,  costs and charges relating thereto, shall be paid by Borrower
upon demand,  together with  interest  thereon at the Default Rate from the date
paid by Lender through the date of repayment by Borrower,  and the same shall be
deemed to constitute  protective  advances  evidenced by the Note and secured by
the Mortgage and the other Loan Documents.

           4.17      Environmental.

           (a)  Borrower  shall  not  (and  it  shall  not  permit  any  tenant,
subtenant,  contractor, agent or manager to) locate, produce, use, store, treat,
transport,  incorporate,  discharge,  emit,  release,  deposit or dispose of any
Hazardous Substance in, upon, under, at, over or from the Premises,  except that
Borrower (its tenants,  subtenants,  manager,  contractors or agents) may store,
locate and use on the Premises  Hazardous  Substances  which are (i) customarily
located,  stored or used in office  premises  similar to the  Premises,  or (ii)
unique to a  tenant's  business  located  in the  Premises,  provided  that such
Hazardous  Substances  described  in clauses  (i) or (ii) above are at all times
stored,  located and used in compliance with all  Environmental  Laws.  Borrower
shall not permit any Hazardous Substances to be located, produced, used, stored,
treated, transported,  incorporated,  discharged,  emitted, released, deposited,
disposed of or to escape in, upon, under, over or from the Premises in violation
of any Environmental Law, and shall comply with all Environmental Laws which are
applicable  to the  Premises.  Borrower  shall  not  engage  in any  conduct  in
connection with the Premises that may subject Borrower to Environmental Costs or
contribute to or aggravate a release of Hazardous Substances. In addition to the
foregoing  restrictions,  Borrower  agrees  that  no  asbestos,  ACM,  materials
containing  urea-formaldehyde,  or transformers,  capacitors,  ballasts or other
equipment  that  contain  PCBs are,  or will at any time be,  located  about the
Premises.


                                      -43-


<PAGE>



           (b)  Borrower   shall,   promptly   within  the  time   permitted  by
Environmental  Laws,  initiate and diligently pursue to completion,  any and all
remedial action required pursuant to any  Environmental  Laws in response to the
presence of any Hazardous  Substances at, on, under or about, or emanating from,
the Premises, and shall take such remedial action as is required to minimize any
impairment  of Lender's  Lien on, and  security  interest in, the  Premises.  If
Borrower  undertakes any remedial action with respect to any Hazardous Substance
about the Premises,  Borrower shall conduct and complete such remedial action in
compliance with all applicable Environmental Laws. If any Hazardous Substance is
removed or caused to be removed  from the Premises by  Borrower,  the  generator
number  assigned  by the  Environmental  Protection  Agency  to  such  Hazardous
Substance shall not be in the name of Lender,  and Borrower shall assume any and
all liability for such removed Hazardous Substance.

           (c) The  representations  and  warranties  contained  in Section 3.21
hereof  and the  covenants  contained  in this  Section  4.17  shall  be  deemed
continuing covenants for the benefit of Lender and any successors and assigns of
Lender,  including, but not limited to, any purchaser at a foreclosure sale, any
transferee of the title of Lender or any other purchaser at a foreclosure  sale,
and any subsequent  owner of the Premises,  and shall survive the termination of
this Agreement,  or the satisfaction or release of the Mortgage, any foreclosure
of the  Mortgage  and/or any  acquisition  of title to the  Premises or any part
thereof by Lender,  or anyone  claiming by, through or under Lender,  by deed in
lieu of foreclosure or otherwise.

           (d)       Borrower shall give prompt written notice to Lender of:

                     (i) any proceeding or inquiry by any Governmental Authority
           with  respect  to the  presence  of any  Hazardous  Substance  on the
           Premises or the migration thereof from or to other property;

                     (ii) all  claims  made or  threatened  by any  third  party
           against  Borrower  or the  Premises  relating  to any loss or  injury
           resulting from any Hazardous Substance;

                     (iii)  the  storage,  production,   release,  discharge  or
           disposal of any Hazardous  Substances  on the Premises  other than in
           accordance with all applicable Environmental Laws; and/or

                     (iv) Borrower's discovery of any occurrence or condition on
           any real  property  adjoining or in the vicinity of the Premises that
           could  cause the  Premises  or any part  thereof to be subject to any
           restrictions on the ownership,  occupancy,  transferability or use of
           the Premises under any  Environmental  Law or to be otherwise subject
           to any restrictions on the ownership,  occupancy,  transferability or
           use of the Premises under any Environmental Law.

           (e)  Borrower  shall keep  Lender  apprised of the status of, and any
material   developments   in,  any   governmental   investigation   relating  to
Environmental  Matters  at or  about  the  Premises,  any and  all  enforcement,
clean-up,  removal  or other  governmental  or  regulatory  actions  instituted,
completed or threatened  pursuant to any  Environmental  Law with respect to the
Premises  and any other  claims,  actions  or  proceedings  with  respect to the
Premises relating to Environmental Matters.

                                      -44-


<PAGE>



Borrower  shall  provide  Lender  with  copies  of all  communications  with all
Governmental  Authorities  relating  to  Hazardous  Substances  Claims.  Without
Lender's  prior written  consent,  Borrower  shall not enter into any settlement
agreement,  consent  decree  or  other  compromise  with  respect  to  any  such
governmental  investigation  or action,  or other  claim,  action or  proceeding
relating  to  Hazardous  Substances  which  Borrower  does not  have  the  funds
available to pay or which may  adversely  affect  Lender's Lien on, or the value
of, the Premises.

           (f) The foregoing rights and remedies  contained in this Section 4.17
are cumulative with, and in addition to, any rights and remedies Lender may have
against  Borrower  or any other  Significant  Party  under  the other  terms and
provisions  of this  Agreement,  under  any  other  Loan  Document  or under any
Environmental Law, including, without limitation, CERCLA.

           4.18      Report Updates.

           (a) Lender  reserves the right at any time during the Term to conduct
or require  Borrower to  conduct,  at  Borrower's  expense,  such  environmental
inspections,  audits and tests as Lender  shall  deem  reasonably  necessary  or
advisable from time to time utilizing a company acceptable to Lender;  provided,
however,  that  Borrower  shall not be  required  to pay for such  environmental
inspections,  audits and tests so long as: (i) no Event of Default  exists under
this Agreement or any other Loan Document;  (ii) Lender has no cause to believe,
in  Lender's  sole but good faith  judgment,  that there has been a release or a
threatened  release of Hazardous  Substances at the Premises or that Borrower or
the Premises is in violation of any  applicable  Environmental  Law;  (iii) such
inspections,  audits and tests are not being  obtained  in  satisfaction  of the
provisions of Section 6.27 hereof;  and (iv) such inspection,  audit or test has
not been recommended in any other audit, inspection,  test or consultants report
previously  conducted  with  respect  to the  Premises.  In the  event  that any
environmental  site assessment report prepared for the Premises  recommends that
an operations and maintenance  plan be implemented for any Hazardous  Substance,
including,  without limitation,  asbestos,  Borrower shall cause such operations
and maintenance  plan to be prepared and implemented at Borrower's  expense upon
request of Lender and in accordance with the recommendation.

           (b) Lender shall have the right from time to time throughout the Term
to order  additional  engineering  reports  with respect to the  Premises.  Such
additional  engineering reports shall be paid for by Borrower in accordance with
Section 6.4 hereof;  provided,  however,  that Borrower shall not be required to
pay for such additional  engineering  reports unless (i) an Event of Default has
occurred, (ii) any such additional engineering report is being obtained pursuant
to Section 6.27 hereof, (iii) any such additional engineering report is required
by applicable  Legal  Requirements to be obtained,  or (iv) in Lender's sole but
good faith  judgment,  an adverse  change in the  condition  of the Premises has
occurred.

           (c) Lender shall not be liable for any action or inaction by Borrower
with respect to any remedial or other response  activity in connection  with any
Hazardous Substance or any repair or replacement  recommended in any engineering
report,   notwithstanding  any  review  or  approval  of  Borrower's  method  of
remediation or repair or replacement, as applicable, or any response by Lender.


                                      -45-


<PAGE>



           4.19 Lender  Access to Premises.  Borrower will permit Lender and its
agents, consultants or representatives, to enter upon the Premises on reasonable
notice (which may be given orally or in writing) at reasonable  times to inspect
the Improvements.  Lender or its agents,  consultants or representatives as part
of any  inspection  may take  soil,  air,  water,  building  material  and other
samples, subject to the rights of tenants under Leases.

           4.20 Delivery of Documents Regarding Ownership. Borrower will deliver
to Lender,  on demand made  therefor by Lender,  copies of all  documents  which
evidence  Borrower's  title  in  or  to  any  materials,  fixtures  or  articles
incorporated  in the  Improvements  or  subject  to the  Lien of any of the Loan
Documents.

           4.21 Use of Premises.  Unless  required by applicable  law,  Borrower
shall not  permit  changes in the use of any part of the  Premises  from the use
existing on the date  hereof.  Borrower  shall not  initiate or  acquiesce  in a
change in the plat of  subdivision  or  zoning  classification  of the  Premises
without Lender's prior written consent.

           4.22  Insurance.  Borrower  shall at all times maintain all Insurance
Policies  required to be obtained  and  maintained  by Borrower  pursuant to the
terms of the Mortgage.


                                    ARTICLE 5
                                EVENTS OF DEFAULT

           5.1 Events of Default;  Defaults.  The term  "Default" as used herein
shall mean any one or more of the events set forth below prior to the expiration
of the applicable  notice or grace period,  if any. The term "Event of Default",
wherever  used in this  Agreement,  shall mean any one or more of the events set
forth below after the  expiration of the applicable  notice or grace period,  if
any.

                     5.1.1  Non-Payment.  Failure  by  Borrower  to pay  (i) any
periodic installment of interest or principal when the same shall become due and
payable  hereunder  or under the Note,  in each case,  within five (5)  Domestic
Business  Days of the date when the same shall become due and payable,  (ii) the
outstanding  principal  balance of the Note,  together with the interest accrued
thereon  and all other sums  which may then be owed by  Borrower  to Lender,  at
maturity or upon  prepayment of the Note in full, and (iii) any other sums to be
paid by Borrower  hereunder or under any other Loan  Documents,  within ten (10)
days  following the date on which Lender gives  Borrower  written notice of such
failure.

                     5.1.2  Affirmative  Covenants.  Failure by  Borrower or any
other  Person to duly keep,  perform  and observe  any  Affirmative  Covenant or
agreement in this  Agreement,  the Note, the Mortgage or any other Loan Document
(unless same constitutes a Default under any other clause of this Section 5.1 or
any other Loan Document,  in which case,  the grace or cure period,  if any, set
forth in such other clause shall  govern)  within  thirty (30) days after Lender
gives Borrower written notice of such failure;  provided,  however,  that in the
event such  failure is not  susceptible  of cure  within  such  thirty  (30) day
period,  it shall  not be an Event  of  Default  hereunder  if such  failure  is
curable,  Borrower  commences to cure such  failure  within such thirty (30) day
period, and Borrower diligently

                                      -46-


<PAGE>



prosecutes such cure to completion  within ninety (90) days after the expiration
of such thirty (30) day period, but in no event beyond the Maturity Date.

                     5.1.3 Negative  Covenants.  If Borrower or any other Person
shall breach or otherwise not comply with any Negative Covenant set forth herein
or in any other Loan Document (unless same constitutes a Default under any other
clause of this Section 5.1 or any other Loan Document,  in which case, the grace
or cure period,  if any,  set forth in such other clause shall  govern) and such
Default shall continue for five (5) Domestic  Business Days after written notice
thereof by Lender to Borrower,  provided  that no such notice and grace shall be
required with respect to a knowing, intentional and willful breach of a Negative
Covenant.

                     5.1.4  Financial  Statements.  If any  material  inaccuracy
shall  exist  in any of  the  Financial  Statements  or in any  other  financial
statement or other  information  (i) furnished to Lender by Borrower,  any other
Significant Party, any officer of Borrower or of any other Significant Party (or
their direct or indirect General Partners, managers or managing members), or any
other  Person on behalf of the  foregoing  Persons,  to Lender  pursuant  to the
provisions of this Agreement or any other Loan Document, or (ii) furnished to or
to be  furnished  to  Lender to  induce  Lender to make the Loan or any  advance
thereunder,  to extend the Term or to consent to any matter  hereunder  or under
any other Loan Document.

                     5.1.5 Representations. If, at any time, any representation,
warranty or certification  made by Borrower or any other  Significant  Party, as
applicable,  in this Agreement,  the Note or any other Loan Document,  or in any
document  delivered  pursuant to any Loan  Document,  or otherwise  delivered in
connection  with the Loan,  shall be  untrue,  incorrect  or  misleading  in any
material respect when made, materiality to be reasonably determined by Lender.

                     5.1.6 Other Loan Documents.  If an "Event of Default" shall
occur  under the  Mortgage  or any other Loan  Document  (or under any  document
evidencing or securing or delivered in connection  with any loan (other than the
Loan) which Lender may hereafter elect to make to Borrower) or any other default
shall occur and continue beyond the applicable  notice or grace period,  if any,
under or with  respect to any other Loan  Document  (or under or with respect to
any of the documents evidencing or securing any such other loan).

                     5.1.7 Demolition or Alterations. Except as permitted herein
or in the other Loan  Documents,  the  commencement of demolition of or material
alterations  (as such term is defined in the  Mortgage) to the Premises  without
the prior written consent of Lender,  which consent may be withheld by Lender in
Lender's sole discretion.

                     5.1.8 Failure to Deliver Estoppel Certificate.  If Borrower
shall fail to deliver any estoppel  certificate  required by Section 4.12 hereof
within the time period provided in said Section.

                     5.1.9 Reserves;  Deposits.  If Borrower or Manager fails to
deposit any Receipts into the Clearing  Account within the time period  provided
herein or in the Cash Management Agreement to do so.


                                      -47-


<PAGE>



                     5.1.10  Cessation  of  Borrower.  If  Borrower or any other
non-natural Person which is a Significant Party ceases to exist.

                     5.1.11  Transfer.  If, in  violation of Section 4.2 hereof,
(i) the Premises,  or any part thereof,  is  Transferred,  or (ii) any direct or
indirect legal or beneficial interest in Borrower is Transferred.

                     5.1.12 Liens.  If, in violation of Section 4.3 hereof,  the
Premises  or any part  thereof is  mortgaged  or any other  Lien is  voluntarily
placed thereon by Borrower.

                     5.1.13 Involuntary Bankruptcy, Etc. The entry by a court of
(i) a decree  or order for  relief in  respect  of any  Significant  Party in an
involuntary case or proceeding under any applicable federal or state bankruptcy,
insolvency,  reorganization  or other  similar  law;  or (ii) a decree  or order
adjudging  any  Significant  Party a bankrupt  or  insolvent,  or  approving  as
properly filed a petition  seeking  reorganization,  arrangement,  adjustment or
composition  of or in  respect of any  Significant  Party  under any  applicable
federal or state bankruptcy, insolvency, reorganization or other similar law, or
appointing a custodian, receiver, liquidator, assignee, trustee, sequestrator or
other similar  official of any Significant  Party or of any substantial  part of
the property of any Significant Party, or ordering the winding up or liquidation
of the affairs of any Significant  Party, and the continuance of any such decree
or order for relief or any such other decree or order unstayed and in effect for
a period of sixty (60) days.

                     5.1.14 Voluntary  Bankruptcy,  Etc. (i) The commencement by
any  Significant  Party of a voluntary  case or proceeding  under any applicable
federal or state bankruptcy, insolvency, reorganization or other similar law, or
of any other case or proceeding, to be adjudicated a bankrupt or insolvent; (ii)
the consent by any  Significant  Party (A) to the entry of a decree or order for
relief in respect of Borrower or such  Significant  Party in an involuntary case
or proceeding  under any  applicable  federal or state  bankruptcy,  insolvency,
reorganization  or  other  similar  law,  or  (B)  to  the  commencement  of any
bankruptcy  or  insolvency  case or  proceeding  against  Borrower or such other
Significant  Party;  (iii) the filing by any Significant  Party of a petition or
answer or consent seeking  reorganization or relief under any applicable federal
or state bankruptcy,  insolvency,  reorganization or other similar law; (iv) the
consent  by any  Significant  Party to the  filing  of such  petition  or to the
appointment  of or  taking  possession  by a  custodian,  receiver,  liquidator,
assignee, trustee, sequestrator or similar official of any Significant Party, or
of any substantial part of any property of any Significant Party; (v) the making
by any Significant Party of an assignment for the benefit of creditors;  or (vi)
the  admission by any  Significant  Party in writing of its inability to pay its
debts generally as they become due.

                     5.1.15  Judgments.  If, at any time,  a  judgment  shall be
rendered against a Significant Party which could adversely affect the ability of
such  Significant  Party to perform any of its  obligations,  if any, under this
Agreement, the Note or any other Loan Document;  provided, however, that if such
Significant Party appeals said judgment and (i) said appeal (A) is timely filed,
(B) is  diligently  pursued,  (C) is permitted by law, and (D) has the effect of
staying  any action on such  judgment,  (ii) such  Significant  Party  posts any
security  required  by law or  required  by Lender in respect of said  judgment,
(iii) said judgment does not subject Lender or the Premises to any civil or

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criminal penalties,  and (iv) such judgment is not a Lien on the Premises or any
other Collateral,  then it shall not be an Event of Default hereunder until such
judgment is final and non-appealable.

                     5.1.16  Termination or  Modification  of Leases.  Except as
otherwise expressly permitted under Section 4.6 hereof, if any Major Lease shall
be terminated or  materially  modified or amended by Borrower  without the prior
written consent of Lender.

                     5.1.17  Organizational  Documents.  If at any  time (i) any
Organizational  Document of Borrower or General Partner is modified in violation
of Article 8 hereof;  (ii) Borrower or General Partner shall fail to comply with
the bankruptcy remote single purpose entity  requirements of its  Organizational
Documents;  or (iii) Borrower or General Partner shall otherwise violate Article
8 hereof.

                     5.1.18  Delivery of  Financial  Statements.  If Borrower or
Manager  fails to deliver  to Lender  any  Financial  Statement  required  to be
delivered  hereunder  or under the Cash  Management  Agreement or any other Loan
Document,  and such failure  continues  (i) for fifteen (15) days after the date
such  Financial  Statement  was required to be so delivered  with respect to any
Financial  Statement required to be delivered to Lender on a monthly basis, (ii)
for thirty (30) days after the date such Financial  Statement was required to be
so delivered with respect to any Financial Statement required to be delivered to
Lender on a  quarterly  basis,  (iii) for  sixty  (60) days  after the date such
Financial  Statement  was  required  to be so  delivered  with  respect  to  any
Financial  Statement  required to be delivered to Lender on an annual basis,  or
(iv) for thirty (30) days after  request  therefor by Lender with respect to any
other Financial Statement.

                     5.1.19  ERISA.   If  Borrower   shall  breach  any  of  the
provisions of Section 4.8 hereof.

                     5.1.20  Termination  of  Management  Agreement,   etc.  If,
without Lender's prior written consent, (i) the Manager resigns or is removed or
the  Management  Agreement  terminates,  unless,  in the  case  of a  Management
Agreement with an entity which is not an Affiliate of Borrower,  such Management
Agreement is replaced, within twenty (20) days after notice of such resignation,
removal or  termination  with a  replacement  Management  Agreement  and Manager
satisfying the  provisions of Section 4.13.1 hereof;  (ii) there is any material
change in the  Management  Agreement  or  termination  thereof  by reason of any
default thereunder by Borrower; or (iii) with respect to any Manager which is an
Affiliate of Borrower,  the ownership,  management or control of such Manager is
transferred to a Person who is not an Affiliate of Borrower.

                     5.1.21 Other Conditions for Acceleration. The occurrence of
any  conditions  set forth herein or in the Note, the Mortgage or any other Loan
Document permitting Lender to accelerate the Loan.

                     5.1.22    Intentionally Omitted

                     5.1.23  Denial of  Obligation.  If Borrower  shall take the
position in any written  communication  with Lender, or in any litigation,  that
any Loan Document is no longer the valid, binding and enforceable  obligation of
Borrower or any other party thereto.

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<PAGE>



                     5.1.24  Misapplication  of Receipts.  If Borrower shall (i)
apply  any  monies  delivered  to  Borrower  pursuant  to  Section 8 of the Cash
Management  Agreement (or the Disbursement  Instructions  effectuating the same)
other than to pay amounts  permitted to be paid with such funds  pursuant to the
provisions of Section 8 of the Cash Management Agreement,  and such breach shall
continue  for  three  (3)  Domestic  Business  Days  following  notice  thereof;
provided,  however, that no such notice and grace shall be required with respect
to an intentional  breach of such  provision;  or (ii) fail to pay to Lender any
amounts  required  to be paid to Lender  pursuant  to  Section  8(c) of the Cash
Management  Agreement  at  the  time  such  payment  is to  be  made  to  Lender
thereunder.

                     5.1.25  Failure to Provide  Further  Assurances.  If, after
fifteen (15) days,  notice from Lender to Borrower  that  Borrower has failed to
comply with any of the provisions of Section 6.25 hereof, Borrower fails to cure
such Default.

           5.2 Rights upon Event of Default.  Upon the occurrence and during the
continuance  of any Event of  Default,  Lender  shall,  in addition to all other
remedies  conferred upon Lender at law or in equity or by the terms of the Note,
the  Mortgage  and  the  other  Loan  Documents,  have  the  right,  but not the
obligation, to pursue any one or more of the following remedies, concurrently or
successively,  it being  the  intent  hereof  that all  such  remedies  shall be
cumulative and that no such remedy shall be to the exclusion of any other:

           (i) take any action which, in Lender's sole judgment, is necessary or
appropriate to effect  observance and  performance of the covenants,  agreements
and obligations  (under this Agreement and the other Loan Documents) of Borrower
or any other Person  providing  Collateral  pursuant to, or obligated to perform
any of the terms and  provisions  of, this Agreement or the other Loan Documents
(each, an "Obligated Party");

           (ii) declare the Note to be immediately due and payable;

           (iii) use and apply any monies  deposited  in or credited  to, as the
case may be, the Tax and Insurance Escrow Subaccount,  the Clearing Account, the
Cash Collateral  Account or any other monies  deposited by Borrower with Lender,
regardless of the purpose for which the same were deposited, to cure any Default
or Event of  Default,  or to apply such  monies on  account of any  indebtedness
under this Agreement or any of the other Loan  Documents  which is due and owing
to Lender,  or to operate  the  Premises,  or for any other  purposes  described
herein or in any other Loan Document;

           (iv) institute an action,  suit or proceeding at law or in equity for
the specific  performance  of any  covenant,  condition  or agreement  contained
herein or in the  Mortgage,  Note or any other Loan  Document,  or in aid of the
execution of any power  granted  hereunder or for the  enforcement  of any other
appropriate legal or equitable remedy; and/or

           (v) setoff against the obligations to Lender of Borrower or any other
Obligated  Party,  any sum owed by  Lender  or any  Affiliate  of  Lender in any
capacity to Borrower or such other  Obligated  Party,  or any property of any of
them in the possession of Lender or any Affiliate of Lender.


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<PAGE>



           5.3 Waiver of Stay,  Extension  and  Moratorium  Laws,  Appraisal and
Valuation, Redemption and Marshalling.

           (a) Borrower  shall not at any time insist upon, or plead,  or in any
manner  whatever claim or take any benefit or advantage of any stay or extension
or  moratorium  law,  any  exemption  from  execution  or  sale  of  any  of the
Collateral,  or any part of any thereof,  wherever enacted, which may affect the
covenants and terms of performance  of the Loan  Documents,  nor claim,  take or
insist  upon any  benefit  or  advantage  of any law now or  hereafter  in force
providing for the valuation or appraisal of any of the  Collateral,  or any part
of any thereof, prior to any sale or sales thereof which may be made pursuant to
any provision of any Loan Document, or pursuant to the decree, judgment or order
of any court of competent jurisdiction; nor, after any such sale or sales, claim
or exercise any right under any statute to redeem the  property so sold,  or any
part thereof,  and Borrower hereby  expressly waives all benefit or advantage of
any such law or laws, and covenants not to hinder, delay or impede the execution
of any power herein granted or delegated to Lender, but to suffer and permit the
execution of every power as though no such law or laws had been made or enacted.
Borrower,  for itself and all who may claim under it, waives, to the extent that
it lawfully may, all right to have the Premises marshalled upon any foreclosure.

           (b) In the event that any bankruptcy or insolvency  proceeding  under
any  federal,  state or local law is filed by or against  Borrower or any of its
assignees  or  designees  at any time  prior to full  satisfaction  of the Loan,
Lender shall, to the extent permitted by law, be absolutely and  unconditionally
entitled to relief from any  automatic  stay imposed with respect to Borrower or
its assignees or designees  and/or the Premises by the filing of such bankruptcy
or  insolvency  proceeding,  including,  but not limited to, the stay imposed by
section 362(a) of the Bankruptcy Code, 11 U.S.C. ss. 362(a), effective as of any
such filing,  without further action by Lender or order of any court, and Lender
shall be  authorized  to exercise all of its rights and remedies with respect to
the Premises,  including,  but not limited to, commencing a foreclosure  action,
seeking the appointment of a receiver therein and selling the Premises  therein,
and Borrower hereby irrevocably consents to the foregoing.  Without limiting the
previous sentence,  Borrower hereby irrevocably consents to, shall not oppose or
contest, and shall not request or cause any creditors' committee or any party in
interest to oppose or contest,  any  application  for relief from the  automatic
stay or for  "adequate  protection,"  as that term is defined in the  Bankruptcy
Code,  which may be filed by  Lender  in any  future  bankruptcy  or  insolvency
proceeding  with  respect to  Borrower  and/or the  Premises.  No other  action,
inaction  or  agreement  by  Lender  in  any  future  bankruptcy  or  insolvency
proceeding shall be deemed to be a waiver of the rights given to Lender hereby.

           5.4  Preferences.  Lender  shall have no  obligation  to marshal  any
assets in favor of  Borrower  or any other party or against or in payment of the
Loan.  To the extent  Borrower  makes a payment to Lender,  which payment or the
proceeds  or any part  thereof  are  subsequently  invalidated,  declared  to be
fraudulent,  preferential or avoidable,  set aside or required to be repaid to a
trustee,  receiver  or any other  party  having  requisite  authority  under any
bankruptcy  law, state or federal law, common law or equitable  cause,  then, to
the extent of such payment or proceeds  received,  the  obligation  hereunder or
part  thereof  intended to be  satisfied  shall be revived and  continue in full
force and effect, as if such payment or proceeds had not been received.


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<PAGE>



                                    ARTICLE 6
                               GENERAL PROVISIONS

           6.1       Rights Cumulative; Waivers.

           (a) Each right,  power and remedy  conferred upon Lender herein or in
any of the other Loan  Documents  is  cumulative  and in addition to every other
right, power or remedy,  express or implied, now or hereafter provided by law or
in  equity,  and each and every  right,  power and  remedy  herein  set forth or
otherwise so existing may be exercised, concurrently or independently, from time
to time as often and in such order as may be deemed  expedient  to  Lender.  The
exercise  of one  right,  power or remedy  shall not be a waiver of the right to
exercise at the same time or thereafter any other right, power or remedy; and no
delay or  omission  of  Lender in the  exercise  of any  right,  power or remedy
accruing  hereunder or arising  otherwise shall impair any such right,  power or
remedy,  or be construed to be a waiver of any Default or acquiescence  therein.
Enumeration of special rights or powers herein,  in the Mortgage or in the other
Loan  Documents  shall not be construed to limit any grant of general  rights or
powers  herein,  in the  Mortgage  or in the other  Loan  Documents  or to limit
Lender's  exercise of any and all rights  granted under the laws of the State of
New York,  the state  where the  Premises  are  located or the United  States of
America. No act of Lender shall be construed as an election to proceed under any
provision  herein or in any other Loan  Document to the  exclusion  of any other
provision herein or in any other Loan Document. Except as otherwise specifically
required herein, notice of the exercise of any right, remedy or power granted to
Lender by this Agreement or any other Loan Document is not required to be given.
Lender  shall be  entitled to enforce  payment of the Loan and any other  amount
payable under the Loan  Documents,  and  performance  of this  Agreement and the
other  Loan  Documents,  and to  exercise  all rights  and  remedies  under this
Agreement  or the  other  Loan  Documents  or  otherwise  at  law or in  equity,
notwithstanding  that some or all of the indebtedness secured thereby may now or
hereafter be otherwise secured, whether by mortgage, security agreement, pledge,
lien, assignment or otherwise.  Neither the acceptance of this Agreement nor its
enforcement  shall  prejudice or in any manner affect  Lender's right to realize
upon or enforce any other  security  now or hereafter  held by Lender,  it being
agreed that Lender shall be entitled to enforce this Agreement, the Mortgage and
any other security now or hereafter held by Lender  hereunder,  under any of the
other  Loan  Documents  or  otherwise,  in such  order and  manner as Lender may
determine in its absolute discretion.

           (b) Lender may, by written  notice to Borrower,  at any time and from
time to time,  waive in whole or in part, and absolutely or  conditionally,  any
Default or Event of Default hereunder.  Any such waiver shall be subject to such
conditions or limitations as shall be specified in any such notice.  In the case
of any such waiver,  the rights of Borrower shall be otherwise  unaffected,  and
any  Default or Event of  Default so waived  shall be deemed to be cured and not
continuing only to the extent,  and only on the conditions or  limitations,  set
forth in such waiver, but no such waiver shall extend to any subsequent or other
Default or Event of  Default,  or impair any right,  remedy or power  consequent
thereupon.

           6.2 Lender's Action for its Own Protection Only. The authority herein
conferred upon Lender,  and any action taken by Lender, to inspect the Premises,
to review and/or approve all documents and instruments  submitted to Lender,  or
otherwise, will be exercised and taken by Lender

                                      -52-


<PAGE>



and by Lender's employees,  agents, consultants or representatives for their own
protection  only and may not be relied  upon by  Borrower or any other party for
any  purposes  whatever;  and neither  Lender nor  Lender's  employees,  agents,
consultants   or   representatives   shall  be  deemed  to  have   assumed   any
responsibility  to Borrower  or any other party with  respect to any such action
herein or under any of the other Loan Documents authorized to be taken by Lender
or Lender's employees, agents and representatives.  Any review, investigation or
inspection  conducted by Lender,  any  architect,  engineer or other  consultant
retained by Lender, or any agent or representative of Lender, in order to verify
independently   Borrower's   satisfaction  of  the  covenants,   agreements  and
obligations of Borrower under this Agreement or any of the other Loan Documents,
or the validity of any  representations  and warranties  made by Borrower or any
other party  (regardless  of whether or not the party  conducting  such  review,
investigation  or inspection  should have discovered that any of such conditions
precedent  were  not  satisfied  or  that  any  such  covenants,  agreements  or
obligations  were not performed or that any such  representations  or warranties
were not true) shall not affect (or  constitute,  except as may  specifically be
provided in this  Agreement or in the other Loan  Documents to the  contrary,  a
waiver by Lender of) (i) any representations and warranties under this Agreement
or the other Loan  Documents  or Lender's  reliance  thereon,  or (ii)  Lender's
reliance  upon any  certifications  of Borrower or any other party in connection
with the Loan, or any other facts, information or reports furnished to Lender by
Borrower  or any  other  party in  connection  with  the  Loan.  Lender  neither
undertakes nor assumes any responsibility or duty to Borrower to select, review,
inspect,  supervise,  pass  judgment  upon or inform  Borrower  of any matter in
connection  with the  Premises,  and Borrower  shall rely  entirely upon its own
judgment with respect to such matters, and any review, inspection,  supervision,
exercise  of  judgment  or  supply  of  information  to  Borrower  by  Lender in
connection  with such matters is for the  protection  of Lender only and neither
Borrower nor any third party is entitled to rely thereon.

           6.3 No Third Party  Beneficiaries.  All conditions to the obligations
of Lender  hereunder and under the other Loan  Documents are imposed  solely and
exclusively  for the benefit of Lender and its  Assignees and  Participants,  if
any, and its or their  successors  and assigns,  and no other Person (other than
Servicer)  shall have  standing to require  satisfaction  of such  conditions in
accordance with their terms, or be entitled to assume that Lender will refuse to
advance  proceeds of the Loan or refuse to agree or consent to any matter in the
absence of strict compliance with any or all thereof, and no other Person (other
than Servicer) shall, under any  circumstances,  be deemed to be the beneficiary
of such conditions, any or all of which may be freely waived in whole or in part
by Lender at any time if, in its sole  discretion,  it deems it  advisable to do
so, it being further  understood that Lender and its Assignees and Participants,
if any, and its or their successors and assigns, shall have no obligation to see
to it that the Improvements or any other work required or contemplated hereby or
by the other Loan Documents are properly and/or timely completed.

           6.4       Payment of Expenses, Etc..

                     6.4.1  Payment of Expenses.  Borrower  will, on the Closing
Date and at all times thereafter,  pay all reasonable costs and fees incurred by
Lender in connection with the preparation, negotiation, consummation, execution,
administration,  repayment,  collection  and  enforcement  of the Loan, the Loan
Documents and any approval, consent,  amendment,  modification or waiver related
thereto. Without limiting the generality of the foregoing, Borrower will pay:

                                      -53-


<PAGE>



                     (i) all reasonable Lender's Counsel Fees in connection with
           the foregoing;

                     (ii) all taxes and recording fees and expenses,  including,
           without  limitation,  stamp and/or mortgage taxes and transfer taxes,
           if any;

                     (iii)  all  reasonable  fees  and  out-of-pocket   expenses
           incurred  by  Lender,  including  all  expenses  of  Lender  and  its
           respective agents and representatives, in connection with any Default
           or Event of Default hereunder, under the Note or under any other Loan
           Document or the collection or enforcement thereof;

                     (iv)  subject  to  Sections  4.18  and  6.27  hereof,   all
           reasonable  fees  and  expenses  of any  environmental,  engineering,
           appraisal,  construction,  insurance or other consultants retained by
           Lender in connection with the Loan or the administration, enforcement
           or collection thereof; and

                     (v) all brokers' fees and commissions,  if any, relative to
           the  Loan,  the  Premises  and/or  any  lease  or  purchase  contract
           affecting same.

Without  limiting the  generality of the  foregoing,  to the extent that Lender,
after the Closing Date,  deems it necessary to employ  counsel  and/or any other
consultant for whatever purpose relative to the Loan or Lender's interest in the
Premises,  including,  without limitation,  all future amendments,  supplements,
notices,  recordings,  approvals,  consents and waivers with respect to the Loan
Documents (or any proposal by Borrower  therefor),  whether or not  consummated,
the adjustment and collection of any and all insurance  proceeds with respect to
any insurance  coverage required  hereunder,  or obtaining any and all awards in
connection with any  condemnation,  the fees and expenses of such counsel and/or
consultants  shall be borne by Borrower.  Any fees and  expenses  referred to in
this Section 6.4 which are incurred by Lender are to be paid by Borrower  within
five (5) days after demand is made by Lender therefor. Borrower hereby agrees to
indemnify,  defend and hold Lender  harmless  from and  against  any loss,  cost
(including  attorneys' fees) or damage whatsoever incurred by Lender as a result
of  Borrower's  failure  to pay any cost or  expense  contemplated  hereby.  The
provisions of this Section 6.4.1 are not intended to limit any other  obligation
of Borrower or any other  Obligated  Party to pay fees and expenses of Lender or
other Persons contained herein or in any other Loan Document.

           6.4.2 Advances Secured.  All costs and expenses incurred and payments
made by Lender under this Agreement or any of the other Loan Documents from time
to time,  which are to be paid or reimbursed by Borrower as described  herein or
in any of the other Loan  Documents  shall,  as and when advanced or incurred by
Lender,  constitute protective advances evidenced by the Note and secured by the
Mortgage  and the other  Loan  Documents  to the same  extent  and with the same
effect as if the terms and  provisions of this Agreement were set forth therein,
whether or not the principal  balance of the Note plus such protective  advances
shall exceed the face amount of the Note. If Borrower shall fail to reimburse or
pay to Lender the amount of such protective  advances by the applicable due date
therefor,  interest at the Default Rate shall accrue on such protective advances
from the date such protective  advances were made by Lender to and including the
date that such

                                      -54-


<PAGE>



protective  advances are reimbursed or paid to Lender in full, together with all
such accrued interest thereon.

           6.5       Indemnification.

           (a) In addition to any other  indemnifications  provided herein or in
the other Loan  Documents,  Borrower shall protect,  defend,  indemnify and save
harmless the Indemnified Parties from and against all liabilities,  obligations,
claims,  demands,  damages,  penalties,  causes of action, losses, fines, costs,
expenses (including, without limitation,  attorneys' fees and disbursements) and
Environmental  Costs,  imposed  upon or  incurred  by or  asserted  against  any
Indemnified  Party  (other  than by reason  of such  Indemnified  Party's  gross
negligence or willful misconduct, provided that such gross negligence or willful
misconduct is determined to have occurred by a final and  unappealable  decision
of a court of competent  jurisdiction)  by reason of (i) ownership or holding of
the Mortgage,  this  Agreement,  the other Loan  Documents,  the Premises or any
interest  therein or any other  Collateral,  including any funds  deposited with
Lender,  (ii) receipt and application of any Receipts or an Indemnified  Party's
payment or non-payment of cost and expenses of operating the Premises, (iii) any
accident,  injury  to or death  of  Persons  or loss of or  damage  to  property
occurring  on or about the  Premises  or any part  thereof  or on the  adjoining
sidewalks,  curbs, adjacent property or adjacent parking areas, streets or ways,
(iv) any design, construction,  alteration,  operation, maintenance, use, nonuse
or condition  of the  Premises or any part  thereof or on  adjoining  sidewalks,
curbs,  adjacent  property or adjacent  parking areas,  streets or ways, (v) any
failure on the part of  Borrower  to perform or comply  with any of the terms of
this  Agreement or any other Loan  Document,  (vi)  performance  of any labor or
services or the  furnishing of any materials or other property in respect of the
Premises or any part  thereof,  (vii) any failure of the Premises to comply with
any Legal Requirements,  (viii) the presence in, at or under the Premises of any
Hazardous Substance,  or any release or discharge on or from the Premises of any
Hazardous  Substance,  (ix) any representation or warranty made in the Note, the
Mortgage,  this  Agreement  or any of the other Loan  Documents  being  false or
misleading  in any  material  respect  as of the  date  such  representation  or
warranty was made, (x) except to the extent any such claims are made solely as a
result of any dealings  between Lender and any broker,  finder or similar person
claiming to be entitled to a commission  in connection  with the Loan,  and with
whom  Borrower  has had no dealings in  connection  with the Loan,  any claim by
brokers,  finders or similar Persons  claiming to be entitled to a commission in
connection  with the Loan, any Lease or any other action  involving the Premises
or any part  thereof,  (xi) the  claims  of any  tenant  of any  portion  of the
Premises or any person acting through or out of any tenant or otherwise  arising
out of or as a consequence of any Lease,  (xii) any claim that the  relationship
of Lender and Borrower is other than that of lender and borrower,  and/or (xiii)
the  execution and delivery of this  Agreement,  the Mortgage and the other Loan
Documents,  the transactions  contemplated hereby or thereby and the performance
by the parties hereto of their respective  obligations  hereunder or thereunder.
Any amounts  payable to any  Indemnified  Party by reason of the  application of
this  Section  6.5 shall  become  immediately  due and  payable  and shall  bear
interest at the Default  Rate from the date loss or damage is  sustained  by any
Indemnified  Party until paid. The obligations and liabilities of Borrower under
this Section 6.5 shall survive any  termination,  satisfaction  or assignment of
this  Agreement  and the  exercise  by Lender of any of its  rights or  remedies
hereunder,  including,  but not limited to, the  acquisition  of the Premises by
foreclosure or a conveyance in lieu of foreclosure.


                                      -55-


<PAGE>



           (b) In case any claim,  action or  proceeding  (a "Claim") is brought
against any Indemnified Party in respect of which  indemnification may be sought
by such Indemnified  Party pursuant to this Section 6.5, such Indemnified  Party
shall give notice thereof to Borrower,  provided,  however,  that the failure of
such  Indemnified  Party to so notify  Borrower  shall not limit or affect  such
Indemnified  Party's  rights to be  indemnified  pursuant to this  Section  6.5,
except to the  extent  such  delay  shall  materially  and  adversely  prejudice
Borrower's defense of such Claim. Upon receipt of such notice of Claim, Borrower
shall,  at its sole cost and  expense,  diligently  defend  any such  Claim with
counsel  reasonably  satisfactory to such Indemnified Party (it being understood
that counsel  selected by  Borrower's  insurance  carrier  shall be deemed to be
acceptable  to  such  Indemnified  Party,  provided  that  such  insurer  is  an
acceptable  insurer  under  this  Agreement  and the  other  Loan  Documents  or
otherwise  was accepted by Lender as an  insurer),  which  counsel may,  without
limiting  the  rights  of  Indemnified  Party  pursuant  to the next  succeeding
sentence,  also  represent  Borrower  in such  Claim.  In the  alternative,  the
Indemnified  Parties may elect to conduct their own defense  through  counsel of
their own  choosing,  and at the  expense of  Borrower,  if (i) the  Indemnified
Parties  reasonably  determine  that the  conduct  of its  defense  by  Borrower
presents a conflict or potential conflict between Borrower and Lender that would
make separate representation  advisable or otherwise could be prejudicial to its
interests, (ii) Borrower refuses to defend or (iii) Borrower (or, if applicable,
its insurance carrier) shall have failed, in Lender's  reasonable  judgment,  to
diligently  defend the Claim.  Except as  provided  in the  preceding  sentence,
Borrower  shall not be responsible  for the fees of counsel for any  Indemnified
Party incurred in connection with the indemnification  contained in this Section
6.5.  Borrower may settle any Claim  against  Indemnified  Parties  without such
Indemnified  Parties' consent,  provided that (i) such settlement is without any
liability,  cost or expense  whatsoever to such  Indemnified  Parties,  (ii) the
settlement does not include or require any admission of liability or culpability
by such  Indemnified  Parties under any Legal  Requirement,  whether criminal or
civil in nature,  and (iii)  Borrower  obtains an effective  written  release of
liability  for such  Indemnified  Parties  from the party to the Claim with whom
such  settlement is being made,  which release must be reasonably  acceptable to
such  Indemnified  Parties,  and a dismissal  with prejudice with respect to all
claims made by the party with whom such  settlement is being made,  with respect
to any pending legal action against such Indemnified  Parties in connection with
such  Claim.  If the  Indemnified  Parties are  conducting  their own defense as
provided above,  Borrower shall be responsible for any good faith  settlement of
such  Claim  entered  into by such  Indemnified  Parties,  and such  Indemnified
Parties  shall  not be  required  to  obtain  Borrower's  consent  to  any  such
settlement.  Nothing  contained  herein  shall be  construed  as  requiring  any
Indemnified  Parties  to  expend  funds or incur  costs to  defend  any Claim in
connection with the matters for which such  Indemnified  Parties are entitled to
indemnification pursuant to this Section 6.5.

           6.6  Notices.  Any  notice,   report,   demand  or  other  instrument
authorized or required to be given or furnished  ("Notices") shall be in writing
and shall be given as  follows:  (i) by hand  delivery;  (ii) by  deposit in the
United States mail as first class  certified  mail,  return  receipt  requested,
postage paid; (iii) by overnight nationwide  commercial courier service; or (iv)
by telecopy  transmission  with a confirmation copy to be delivered by duplicate
notice in accordance  with any of clauses (i) through (iii) above, in each case,
to the party intended to receive the same at the following address(es):


                                      -56-


<PAGE>



Lender:              Credit Suisse First Boston Mortgage
                      Capital LLC
                     Principal Transactions
                     11 Madison Avenue
                     New York, New York 10010
                     Attention:  Edmund Taylor
                     Re:         Marc Warren/810 Seventh Avenue
                     Telecopier: (212) 325-8162

with a copy to:      Credit Suisse First Boston Mortgage
                      Capital LLC
                     Legal & Compliance Department
                     11 Madison Avenue
                     New York, New York 10010
                     Attention:  Colleen Graham, Esq.
                     Re:         Marc Warren/810 Seventh Avenue
                     Telecopier: (212) 325-8220

                                  and

                      Pacific Life Insurance Company
                      700 Newport Center Drive
                      Newport Beach, California 92660
                      Attention:  Wendy Balden
                      Telecopier: (714) 760-4356
                      (or any successor Servicer)

                                  and

                      Brown Raysman Millstein Felder & Steiner LLP
                      120 West 45th Street
                      New York, New York 10036
                      Attention:   Jeffrey B. Steiner, Esq.
                      Telecopier:  (212) 840-2429

Borrower:             c/o Tower Realty Trust, Inc.
                      292 Madison Avenue, 3rd Floor
                      New York, New York 10017
                      Attention:    Lawrence Feldman
                      Telecopier:   (212) 448-1865


                                      -57-


<PAGE>



with a copy to:      Battle Fowler LLP
                     75 East 55th Street
                     New York, New York 10022
                     Attention: Bradley A.  Kaufman, Esq.
                     Telecopier: (212) 856-7802

Any party may change the address to which any such Notice is to be delivered, by
furnishing  ten (10) days written  notice of such change to the other parties in
accordance  with the provisions of this Section 6.6.  Notices shall be deemed to
have been given on the date they are actually received;  provided, however, that
the inability to deliver Notices because of a changed address of which no Notice
was given,  or  rejection  or refusal to accept any Notice  offered for delivery
shall be deemed to be receipt of the Notice as of the date of such  inability to
deliver or rejection or refusal to accept delivery.  Notice for either party may
be given by its respective counsel. Additionally, notice from Lender may also be
given by Servicer.

           6.7 No Oral  Modification.  Borrower  recognizes  that,  in  general,
borrowers who experience difficulties in honoring their loan obligations,  in an
effort to inhibit or impede  lenders  from  exercising  the rights and  remedies
available to lenders  pursuant to  mortgages,  notes,  loan  agreements or other
instruments  evidencing or affecting loan  transactions,  frequently  present in
court the argument, often without merit, that some loan officer or administrator
of lender  made an oral  modification  or made  some  statement  which  could be
interpreted  as an  extension or  modification  or amendment of one or more debt
instruments  and that the  borrower  relied to its  detriment  upon  such  "oral
modification  of the loan  document."  For that reason,  and in order to protect
Lender from such allegations in connection with the transaction  contemplated by
this Agreement,  Borrower  acknowledges that this Agreement,  the Mortgage,  the
Note and the other Loan Documents and all instruments referred to in any of them
can be extended,  modified or amended  only in a writing  executed by Lender and
Borrower  and that  none of the  rights  or  benefits  of  Lender  can be waived
permanently  except in a written document  executed by Lender.  Borrower further
acknowledges Borrower's understanding that no officer or administrator of Lender
has the  power  or the  authority  from  Lender  to make  an oral  extension  or
modification  or  amendment  of any such  instrument  or  agreement on behalf of
Lender.

           6.8       Assignment by Lender.

                     6.8.1 Assignment. Lender may assign (and thereafter, at any
time and from time to time,  repurchase)  all or a  portion  of its  rights  and
obligations  under this  Agreement  and the other Loan  Documents to one or more
Persons ("Assignees"; the term "Assignee" or "Assignees" shall, unless otherwise
expressly  indicated,  include  Lender) and,  with respect to any  Assignee,  be
released from its rights and obligations as Lender in respect of such portion of
the Loan, this Agreement and the other Loan Documents.

                     6.8.2   Participations.   Lender  and  each  of  the  other
Assignees  may  sell   participations  in  the  Loan  to  one  or  more  Persons
(collectively,  the "Participants").  Notwithstanding such sale, (i) the selling
party's  obligations  to  Borrower  under  this  Agreement  and the  other  Loan
Documents shall remain  unchanged by reason thereof,  and (ii) the selling party
shall remain solely responsible to

                                      -58-


<PAGE>



Borrower for the performance of such  obligations.  In order to assist Lender in
any sales of interests in the Loan,  Borrower  agrees for itself,  and agrees to
cause General  Partner and the Manager,  to reasonably  cooperate with Lender in
connection  with any  efforts  by  Lender  to obtain  one or more  Assignees  or
Participants,  to provide additional information and to execute and deliver such
further  documents,  instruments or  agreements,  in each case, as Lender or any
Assignee or Participant may reasonably require.

                     6.8.3  Assignment  and  Acceptance.   From  and  after  the
effective  date of any  assignment to an Assignee,  (i) such Assignee shall be a
party  hereto  and to each of the  other  Loan  Documents  to the  extent of the
applicable  percentage or percentages  assigned to such Assignee and,  except as
otherwise  specified  herein,  shall  succeed to the rights and  obligations  of
Lender  hereunder in respect of such applicable  percentage or percentages,  and
(ii) Lender shall  relinquish  its rights and be released  from its  obligations
hereunder  and  under  the  Loan  Documents  to the  extent  of such  applicable
percentage  or  percentages.  The  liabilities  of Lender  and each of the other
Assignees  shall be separate and not joint and several.  Neither  Lender nor any
Assignee shall be responsible for the obligations of any other Assignee.

                     6.8.4  Other  Business.  Lender,  each  Assignee  and  each
Participant and their respective Affiliates may accept deposits from, lend money
to, act as trustee  under  indentures  of, and  generally  engage in any kind of
business  with,  Borrower,   any  Affiliate  of  Borrower,   any  of  Borrower's
subsidiaries  and any Person who may do  business  with or own  interests  in or
securities of Borrower or any such Affiliate or subsidiary,  without any duty to
account therefor to each other.

                     6.8.5 Privity of Contract.  This Agreement is being entered
into by Lender  individually and as agent for all present and future  Assignees,
and privity of contract is hereby  created among Lender,  all present and future
Assignees and Borrower.

                     6.8.6  Availability of Records.  Borrower  acknowledges and
agrees that Lender may provide to any Assignees or  prospective  Assignees,  and
that  Lender  and each of the  Assignees  may  provide  to any  Participants  or
prospective Participants,  originals or copies of this Agreement, all other Loan
Documents  and  all  other  documents,  instruments,   certificates,   opinions,
insurance policies, letters of credit, reports, requisitions and other materials
and  information of every nature or  description,  and may  communicate all oral
information, at any time submitted by or on behalf of Borrower, General Partner,
the  Manager,  any  other  Significant  Party  or  any  Affiliate  of any of the
foregoing.

           6.9 Severability. In the event that any of the covenants, agreements,
terms or provisions  contained in the Note, this Agreement,  the Mortgage or any
other Loan Document shall be invalid,  illegal or  unenforceable in any respect,
the  validity  of the  remaining  covenants,  agreements,  terms  or  provisions
contained  herein or in the Note,  the Mortgage or any other Loan Document shall
be in no way affected, prejudiced or diminished thereby.

           6.10 No Assignment by Borrower. Borrower shall not assign or transfer
any of its rights  hereunder  without the prior written  consent of Lender.  Any
assignment made without Lender's prior written consent shall be void.

                                      -59-


<PAGE>



           6.11 Governing Law. The place of negotiation,  execution and delivery
of this Agreement is the State of New York.  This Agreement shall be governed by
and construed and enforced in accordance with the laws of the State of New York.

           6.12  Successors  and/or  Assigns.  Subject  to the  restrictions  on
transfer  and  assignment  contained  in  this  Agreement  and  the  other  Loan
Documents,  whenever in this Agreement any of the parties hereto is referred to,
such  reference  shall be deemed to  include  the  permitted  successors  and/or
assigns of such  party,  and this  Agreement  shall  inure to the benefit of and
shall be binding on the parties hereto and the successors and/or assigns of such
party.

           6.13 Entire  Contract.  This Agreement and the other Loan  Documents,
including  all annexes,  schedules and exhibits  hereto and all other  documents
furnished  to  Lender  in  connection  with  this  Agreement  and/or  the  Loan,
constitutes the entire agreement  between the parties hereto with respect to the
subject matter hereof and thereof and shall  supersede and take the place of any
other  instruments  purporting to be an agreement of the parties hereto relating
to the transactions  contemplated  hereby,  including,  without limitation,  any
letter of intent or loan commitment letter.

           6.14  Liability.  If Borrower  consists of more than one Person,  the
obligations  and  liabilities of each such Person  hereunder and under the other
Loan Documents shall be joint and several.

           6.15  Counterparts;  Headings.  This  Agreement  may be  executed  in
counterparts, each of which shall constitute an original, and all of which, when
taken together,  shall constitute but one instrument.  The captions and headings
of the various sections of this Agreement are for purposes of reference only and
are not to be  construed as confining or limiting in any way the scope or intent
of the provisions hereof. Whenever the context requires or permits, the singular
shall  include the  plural,  the plural  shall  include  the  singular,  and the
masculine, feminine and neuter shall be freely interchangeable.

           6.16 Time of the  Essence.  Time is of the  essence as to  Borrower's
obligations under this Agreement and the other Loan Documents.

           6.17 Consents.

                     6.17.1 No  Subsequent  Consent.  Any consent or approval by
Lender in any single  instance  shall not be deemed or  construed to be Lender's
consent or approval in any like matter arising at a subsequent date. Any consent
or approval  requested of and granted by Lender pursuant hereto or to any of the
other Loan  Documents  shall be  narrowly  construed  to be  applicable  only to
Borrower and to the matter  identified  in such consent or approval and no third
party shall claim any benefit by reason thereof.  Wherever this  Agreement,  the
Mortgage, the Cash Management Agreement or any other Loan Document refers to the
consent or approval of Lender,  or provides  that any document or Person will be
satisfactory  or  acceptable  to Lender  or words of  similar  import,  (i) such
consent or approval  may be given or withheld  by Lender,  and such  document or
Person must be  satisfactory  or acceptable to Lender,  in its sole and absolute
discretion, unless otherwise expressly provided herein or therein, and (ii) such
consent or approval  shall not be effective  unless  given in writing.  Wherever
this Agreement, the Mortgage, the Cash Management Agreement or any other

                                      -60-


<PAGE>



Loan  Document  refers to the  provision  of  documents  or other items being as
Lender  may  require,  provides  for the  selection  by Lender of any  person to
provide  reports or other items  hereunder or thereunder or for the selection by
Lender of any means of determining any matter,  or otherwise refers to terms and
conditions  hereof  or  thereof  being as  Lender  deems  appropriate,  any such
requirement,  selection or  determination  of  appropriateness  shall be made by
Lender in its sole and absolute discretion,  unless expressly provided otherwise
herein or therein. The foregoing provisions are intended to be effective whether
or not the applicable  provision hereof or of any other Loan Document  specifies
that the  applicable  consent,  approval or other matter is to be  determined by
Lender in its "sole and absolute discretion" or words of similar import.

                     6.17.2 Withholding of Consent.  Wherever in this Agreement,
the  Mortgage,  the  Cash  Management  Agreement  or any  other  Loan  Document,
reference is made to any consent or approval not being  "unreasonably  withheld"
or words of  similar  import,  the same  shall be deemed to  include  within its
meaning (unless expressly  provided  otherwise) that if such consent or approval
is to be granted, the same will occur within a commercially reasonable period of
time.  If  Borrower  believes  that  Lender has  improperly  failed to grant its
consent or approval  (or  otherwise  improperly  failed to act as  requested  by
Borrower as described in Section 6.17.1 hereof (e.g., determined that a document
is not  acceptable  to  Lender)  hereunder  or  under  the  Mortgage,  the  Cash
Management Agreement or any other Loan Document (including,  without limitation,
by failing to respond  within a  commercially  reasonable  period of time) where
such  consent or approval  is required to be given by (or such action  which was
not  taken is in breach  of) the  terms of this  Agreement  or such  other  Loan
Document,  Borrower's  sole remedy  shall be to obtain  declaratory  relief in a
final,  non-appealable  judgment  determining  such  withholding  to  have  been
improper,  whereupon  such  consent or approval  shall be deemed  given (or such
other action  described in Section  6.17.1  hereof shall be deemed  taken),  and
Borrower  hereby  waives all claims for  damages or set-off  resulting  from any
withholding  of  consent  or  approval  (or  failure  to take any  other  action
described in Section 6.17.1 hereof) by Lender.

           6.18 No Partnership. Nothing contained in this Agreement or the other
Loan Documents shall be deemed to create an equity investment in Borrower or the
Premises on the part of Lender or a joint venture or partnership  between Lender
and  Borrower,  it  being  the  intent  of the  parties  hereto  that  only  the
relationship  of lender and borrower  shall exist with respect to the  Premises.
Borrower  agrees that it shall report this  transaction for income tax purposes,
and file all related tax returns,  in a manner  consistent with the form of this
transaction as a loan.

           6.19  Waiver  of Jury  Trial.  EACH OF  BORROWER  AND  LENDER  HEREBY
KNOWINGLY, VOLUNTARILY AND INTENTIONALLY WAIVE ANY AND ALL RIGHTS IT MAY HAVE TO
A TRIAL BY JURY IN RESPECT OF ANY LITIGATION BASED ON, OR ARISING OUT OF, UNDER,
OR IN  CONNECTION  WITH,  THIS  AGREEMENT,  THE  MORTGAGE,  THE CASH  MANAGEMENT
AGREEMENT  OR ANY OTHER  LOAN  DOCUMENT,  OR ANY  COURSE OF  CONDUCT,  COURSE OF
DEALING,  STATEMENTS  (WHETHER  VERBAL OR  WRITTEN),  OR  ACTIONS  OF  BORROWER,
MANAGING MEMBER OR LENDER  RELATING TO THE LOAN AND/OR THE LENDING  RELATIONSHIP
WHICH IS THE SUBJECT OF THIS AGREEMENT. THIS PROVISION IS

                                      -61-


<PAGE>



A MATERIAL INDUCEMENT FOR LENDER ENTERING INTO THIS AGREEMENT AND THE OTHER LOAN
DOCUMENTS.

           6.20  Limited  Recourse.  Notwithstanding  anything  to the  contrary
contained  in this  Agreement or in any of the other Loan  Documents,  except as
provided  otherwise in this  Section  6.20,  neither  Borrower nor any direct or
indirect member, shareholder,  partner, principal, Affiliate, employee, officer,
director,  agent or  representative  of Borrower (each, a "Related Party") shall
have any personal  liability for (i) the payment of any sum of money which is or
may be  payable  hereunder  or  under  the  Note  or any  other  Loan  Document,
including,  but  not  limited  to,  the  repayment  of the  Loan,  or  (ii)  the
performance  or discharge  of any  covenants,  obligations  or  undertakings  of
Borrower  hereunder or under any Loan  Document,  and no monetary or  deficiency
judgment shall be sought or enforced  against Borrower or any Related Party with
respect  thereto;  provided,  however,  that a  judgment  may be sought  against
Borrower or any Related  Party to enforce the rights of Lender in, to or against
the Premises,  including the Receipts and any other Collateral, and Lender shall
have full  recourse  to and the  right to  proceed  against  the  Premises,  the
Receipts  and any  other  Collateral.  Notwithstanding  the  foregoing,  nothing
contained  herein  shall impair the  validity of the  Obligations  or in any way
affect or impair the Lien of the Mortgage, or the right of Lender to enforce any
and all  rights and  remedies  under and by virtue of the Note,  this  Agreement
and/or  any  other  Loan  Document  (limited,  however,  as  expressly  provided
otherwise  above),  including,  without  limitation,  naming Borrower as a party
defendant in any foreclosure action, or limit Lender from pursuing or seeking to
enforce the rights of Lender against any third parties, including any guarantor,
indemnitor  or surety under any guaranty or  indemnity  delivered in  connection
with this  Agreement,  the Note or any  other  Loan  Document  or  otherwise  in
connection  with the Loan.  Additionally,  the  provisions  of this Section 6.20
shall not relieve  Borrower from any personal  liability for, and Borrower shall
be fully and personally liable for, (i) the full recourse  obligation to pay the
Obligations upon the occurrence of any event set forth in the following  clauses
(M) and/or (N), and (ii) any  liabilities,  costs,  losses  (including,  without
limitation,  any reduction in value of the Premises or any other Collateral,  or
the loss of any such Collateral or Lender's security interest therein), damages,
expenses (including,  without limitation,  attorneys' fees and disbursements and
court  costs,  if any),  or  claims  suffered  or  incurred  by  Lender  (or any
Indemnified  Party) by reason of or in  connection  with the  occurrence  of any
event set forth in any of the following clauses (A) through (N):

           (A) any fraud or breach of trust by Borrower  or any  Related  Party,
including  by reason of any claim  under the  Racketeer  Influenced  and Corrupt
Organizations Act ("RICO");

           (B) the  misapplication  of any  insurance  proceeds or  condemnation
awards;

           (C) the failure of  Borrower  or any  Related  Party to direct or pay
Receipts  received by Borrower or any Related  Party to the Clearing  Account or
the Cash  Collateral  Account as and when required  hereunder and under the Cash
Management Agreement;

           (D) the  misapplication  by Borrower or any Related  Party (or at any
such  Person's  direction)  of  monies  held in or paid  out  from  any  account
(including  any reserve or escrow)  maintained  under this  Agreement,  the Cash
Management Agreement or any of the other Loan Documents, including

                                      -62-


<PAGE>



without  limitation,  monies paid to Borrower  pursuant to Section 8 of the Cash
Management Agreement;

           (E) any and all tenant  security  deposits held by Borrower not being
properly  applied,  returned to tenants  when due or  delivered  to Lender,  any
receiver or any Person  purchasing  the Premises at a foreclosure  sale upon the
taking of possession of the Premises by Lender, such receiver or other Person as
provided herein;

           (F) a  breach  by  Borrower  of  any of the  covenants  contained  in
Sections 4.2 or 4.8 hereof;

           (G) wrongful  removal or  destruction  of property  constituting  the
Premises  or any  intentional  waste of the  Premises  by  Borrower or a Related
Party;

           (H) any Legal  Requirement  (including RICO) mandating the forfeiture
by Borrower of the Premises,  or any portion thereof,  because of the conduct or
purported  conduct of criminal  activity  by  Borrower  or any Related  Party in
connection therewith;

           (I) any  material  misrepresentation,  miscertification  or breach of
warranty  by  Borrower   with  respect  to  any   representation,   warranty  or
certification  contained in this  Agreement or any other Loan Document or in any
document executed in connection therewith, pursuant to any of the Loan Documents
or otherwise to induce  Lender to make the Loan, or any advance  thereof,  or to
release monies from any account held by Lender (including any reserve or escrow)
or to take any other action with respect to any of the Collateral;

           (J) a breach of any of the  provisions of Article 8 hereof (if and to
the extent a substantive  consolidation of Borrower and another Person occurs as
a result thereof);

           (K) any damage or destruction of the Premises or any part thereof due
to fire or other casualty to the extent not covered by insurance  required under
the  Mortgage,  but only to the  extent  the same  would  have been  covered  by
insurance  if Borrower  had  obtained  and  maintained  the  insurance  coverage
required under the Mortgage;

           (L) the  amount of any Lien  voluntarily  placed on the  Premises  by
Borrower  (or any  predecessor-owner  of the  Premises  which is an Affiliate of
Borrower) which is prior to the Lien of the Mortgage against the Property;

           (M) (1) Any Significant  Party filing a voluntary  petition under the
Bankruptcy  Code or any other federal or state  bankruptcy or insolvency law, or
(2) any Affiliate of Borrower filing or joining in the filing of, an involuntary
petition  against any  Significant  Party under the Bankruptcy Code or any other
federal or state  bankruptcy or  insolvency  law, or (3) Any  Significant  Party
filing an answer consenting to or acquiescing in any involuntary  petition filed
against it or against  other  Significant  Party by any other  Person  under the
Bankruptcy  Code or any other federal or state  bankruptcy or insolvency law, or
(4) any Affiliate of Borrower  consenting to or  acquiescing in or joining in an
application  for the appointment of a custodian,  receiver,  trustee or examiner
for any Significant Party

                                      -63-


<PAGE>



or any  portion  of the  Collateral,  or (5) any  Significant  Party  making  an
assignment  for the  benefit  of  creditors,  or  admitting  its  insolvency  or
inability to pay its debts as they become due; or

           (N) Borrower or any  Affiliate of Borrower  contesting  or in any way
interfering  with,  directly or  indirectly  (collectively,  a  "Contest"),  any
foreclosure  action,  Uniform  Commercial  Code  sale  and/or  deed  in  lieu of
foreclosure  transaction  commenced by Lender or with any other  enforcement  of
Lender's rights, powers or remedies under any of the Loan Documents or under any
document  evidencing,  securing or otherwise  relating to any of the  Collateral
(whether by making any motion, bringing any counterclaim,  claiming any defense,
seeking any injunction or other  restraint,  commencing  any action,  seeking to
consolidate any such foreclosure or other  enforcement with any other action, or
otherwise);  provided,  however, that Borrower shall not be so liable if a court
of competent jurisdiction determines that such Contest was brought in good faith
(even if such Contest was unsuccessful).

           Nothing  contained  herein is intended to limit the  obligations  and
personal  liability of the  guarantors  under any  guaranty and the  indemnitors
under any indemnity agreement,  including, without limitation, the Environmental
Indemnification  Agreement,  executed by  Borrower  or any other  Person for the
benefit of Lender.

           6.21  Limitation on Liability.  In no event shall Lender be liable to
Borrower for consequential damages, whatever the nature of a breach by Lender of
its  obligations  under this  Agreement or any of the other Loan  Documents  and
Borrower,  for  itself and all  Related  Parties,  hereby  waives all claims for
consequential damages.  Unless, within ninety (90) days after Borrower first has
actual  knowledge  of the  occurrence  of any event about which  Borrower  has a
dispute or claim,  Borrower  notifies Lender in writing of the general nature of
its dispute or claim, Borrower shall be deemed to have waived any and all rights
to raise such dispute or claim in any lawsuit, action or proceeding of any kind.

           6.22  Jurisdiction,  Venue,  Service of Process.  ANY LEGAL ACTION OR
PROCEEDING  WITH  RESPECT  TO THIS  AGREEMENT,  THE  MORTGAGE  OR ANY OTHER LOAN
DOCUMENT SHALL BE BROUGHT, AT LENDER'S OPTION, IN THE COURTS OF THE STATE OF NEW
YORK,  NEW YORK  COUNTY OR OF THE  UNITED  STATES OF  AMERICA  FOR THE  SOUTHERN
DISTRICT OF NEW YORK.  BORROWER  HEREBY ACCEPTS FOR ITSELF AND IN RESPECT OF ITS
PROPERTY,  GENERALLY AND UNCONDITIONALLY,  THE NON-EXCLUSIVE JURISDICTION OF THE
AFORESAID COURTS. BORROWER IRREVOCABLY CONSENTS TO THE SERVICE OF PROCESS OUT OF
ANY OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR PROCEEDING BY THE MAILING
OF COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID,  TO BORROWER
AT ITS  ADDRESS FOR NOTICES  PURSUANT  TO SECTION  6.6 HEREOF.  BORROWER  HEREBY
IRREVOCABLY  WAIVES  ANY  OBJECTION  WHICH IT MAY NOW OR  HEREAFTER  HAVE TO THE
LAYING OF VENUE OF ANY OF THE AFORESAID ACTIONS OR PROCEEDINGS ARISING OUT OF OR
IN  CONNECTION  WITH THIS  AGREEMENT,  THE  MORTGAGE OR ANY OTHER LOAN  DOCUMENT
BROUGHT IN THE COURTS  REFERRED TO ABOVE AND HEREBY FURTHER  IRREVOCABLY  WAIVES
AND AGREES NOT TO PLEAD OR CLAIM IN ANY SUCH COURT

                                      -64-


<PAGE>



THAT ANY SUCH ACTION OR PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN
AN INCONVENIENT FORUM. NOTHING CONTAINED HEREIN SHALL AFFECT THE RIGHT OF LENDER
TO SERVE  PROCESS IN ANY OTHER  MANNER  PERMITTED  BY LAW OR TO  COMMENCE  LEGAL
PROCEEDINGS OR OTHERWISE PROCEED AGAINST BORROWER IN ANY OTHER JURISDICTION.

           6.23  Appointment  of Agent for Service of Process.  Borrower  hereby
designates   Bradley   A.   Kaufman,   Esq.   ("Designee")   as  its  agent  and
attorney-in-fact  to accept  service  of  process  in any  action or  proceeding
arising  under or in connection  with this  Agreement,  the Mortgage  and/or the
other Loan Documents.  The foregoing designation is irrevocable and coupled with
an interest. If Designee is not personally available, process may be served upon
Designee by United States  registered or certified  mail,  which service will be
effective  five (5) days after  mailing,  to the address of  Designee  set forth
below:

                              c/o Battle Fowler LLP
                               75 East 55th Street
                            New York, New York 10022

           6.24  Rule  of  Construction.  This  Agreement  and  the  other  Loan
Documents  shall not be construed  more strictly  against one party than against
the other merely by virtue of the fact that it may have been prepared by counsel
for one of the parties,  it being  recognized that both Lender and Borrower have
contributed  substantially  and materially to the  preparation of this Agreement
and the other Loan Documents.

           6.25      Further Assurances.

           (a)  Borrower  will,  at its sole  cost  and  expense,  do,  execute,
acknowledge  and  deliver  or  cause  to be  done,  executed,  acknowledged  and
delivered all such further acts,  conveyances,  notes,  mortgages,  assignments,
security  agreements,  financing  statements and assurances as Lender shall from
time to time  reasonably  require or reasonably deem advisable (i) to carry into
effect the purposes of this Agreement and the other Loan Documents, (ii) for the
better assuring, conveying,  mortgaging, assigning and confirming unto Lender of
all property and rights mortgaged,  granted,  bargained,  alienated,  confirmed,
pledged,  hypothecated,  conveyed or assigned  by this  Agreement  or any of the
other Loan  Documents  or property  intended  now or  hereafter  to be, or which
Borrower  may be or may  hereafter  become  bound to convey or assign to Lender,
(iii)  for  facilitating  the  placement  of a Loan  Interest  in a Loan Pool as
described  in  Section  6.27  hereof,  (iv)  for the  perfection  of any Lien or
security interest granted herein or in the other Loan Documents, and (v) for the
better  assuring and confirming of all of Lender's  rights,  powers and remedies
hereunder and under the other Loan Documents.  Borrower, on demand, will execute
and deliver,  and hereby authorizes Lender to execute in the name of Borrower or
without the  signature of Borrower to the extent  Lender may lawfully do so, one
or more  financing  statements,  chattel  mortgages  or  other  instruments,  to
evidence more  effectively  the security  interest of Lender in the Premises and
the other Collateral.

           (b)  Borrower  forthwith  upon the  execution  and  delivery  of this
Agreement  and  thereafter,  from time to time,  will cause the Mortgage and any
security instrument creating a Lien or security

                                      -65-


<PAGE>



interest or evidencing  the Lien of the Mortgage and the other  applicable  Loan
Documents  upon the Premises or other  property and each  instrument  of further
assurance to be filed,  registered or recorded in such manner and in such places
as may be  required  by any  present  or future  Legal  Requirement  in order to
publish notice of and fully to protect the Lien or security interest of, and the
priority  of, each of the Mortgage and the other Loan  Documents  upon,  and the
interest of Lender in, the Premises or other applicable property.  Borrower will
pay all filing, registration or recording fees, and all expenses incident to the
foregoing and all taxes,  duties,  assessments  and charges of any  Governmental
Authority arising out of or in connection with the execution and delivery of the
Mortgage, any other security instrument,  any instrument of further assurance or
any other Loan Document.  Upon Lender's  request,  Borrower shall,  from time to
time, furnish Lender with evidence  reasonably  satisfactory to Lender that such
property  is  free  of  Liens  and  security   interests  (except  as  permitted
hereunder), including searches of applicable public records.

           (c) Upon any failure by Borrower to do so, Lender may make,  execute,
record,  file,  re-  record or refile any and all such  mortgages,  instruments,
certificates and documents for and in the name of Borrower,  and Borrower hereby
irrevocably  appoints  (which  appointment  is coupled with an interest and with
full power of substitution) Lender the agent and attorney-in-fact of Borrower to
do so,  and  Borrower  shall  reimburse  Lender,  on  demand,  for all costs and
expenses (including attorneys' fees) incurred by Lender in connection therewith.
Upon  foreclosure,  the appointment of a receiver or any other relevant  action,
Borrower will, at the cost of Borrower and without expense to Lender,  cooperate
fully and  completely  to effect  the  assignment  or  transfer  of any  Permit,
agreement  or any  other  right  necessary  or useful  to the  operation  of the
Premises  and shall  deliver to Lender  all books and  records  relating  to the
Premises.

           6.26  Recitals.  The  Recitals  set  forth at the  beginning  of this
Agreement  are  hereby  incorporated  into the  substantive  provisions  of this
Agreement.

           6.27 Placement of Loan.

                     6.27.1 Loan Pool.  Borrower  acknowledges that Lender,  any
Assignee or any Participant (each of Lender, any Assignee or any Participant,  a
"Placement Party") may elect to place the Loan, or its participation interest in
the Loan, as the case may be (whichever of the Loan or such  participation is to
be so placed,  is called the "Loan Interest") in a pool of loans,  participation
interests  and/or  notes  secured by or  dependent  on the cash flow of mortgage
loans, which will constitute security for a rated securities offering (such pool
is  called a "Loan  Pool";  and  such  rated  securities  offering  is  called a
"Securitization").

                     6.27.2  Rating  Agency  Requirements.  At  the  request  of
Lender,  Borrower  will use its best  efforts  (but at the cost and  expense  of
Lender to the extent such cost or expense shall exceed $5,000,  otherwise at the
cost and expense of  Borrower)  to satisfy the market  standards to which Lender
customarily adheres or which may be required in the marketplace or by any Rating
Agency in order to enable a Placement  Party to place a Loan  Interest in a Loan
Pool, including, without limitation, to:


                                      -66-


<PAGE>



                     (i) structure and maintain its organizational,  operational
           and financial affairs and those of its Affiliates (collectively,  the
           "Entities") as  special-purpose  bankruptcy remote entities to enable
           its  counsel  to  render  a  reasoned  opinion  customarily  given in
           securitization transactions that upon a petition for bankruptcy under
           the Bankruptcy Code, none of an Entity as a debtor in possession, its
           bankruptcy  trustee or its creditors could cause a court to order the
           substantive  consolidation  of the  assets  and  liabilities  of such
           Entity with those of Borrower or General Partner, which counsel shall
           be reasonably  satisfactory to, and which opinions or memoranda shall
           be satisfactory to, Lender and each Rating Agency;

                     (ii)  provide such  financial  and other  information  with
           respect to the  Premises,  the  Manager  and the  Entities  as may be
           reasonably requested by Lender or any Rating Agency for annual rating
           reviews, including, without limitation, occupancy statistics, average
           rents and periodic and annual  financial  statements  (including cash
           flow  statements)  for the  Premises  (reviewed  and,  in the case of
           annual financial  statements,  audited) by a firm of certified public
           accountants  reasonably  acceptable  to Lender and each Rating Agency
           (Lender  acknowledging that the Approved  Accountant is an accounting
           firm acceptable to Lender);

                     (iii) prepare and deliver such  agreements and  instruments
           relating  to the  Note,  the  Loan  Interest,  the  Premises  and the
           Entities,  including (A)  agreements to indemnify each Rating Agency,
           Lender and any  servicer  or trustee  (except to the extent  that any
           requested  indemnification for any loss, claim, damage, cost, expense
           or liability  results solely from the  negligent,  or with respect to
           Lender, grossly negligent acts or omissions by such indemnified party
           in performing the duties,  functions and activities  undertaken by it
           in connection with the placement of the Loan Interest in a Loan Pool,
           including,  without limitation,  any failure by the indemnified party
           or  parties  to  comply  with  all  applicable  securities  laws  and
           regulations),  and (B)  amendments of any of the Loan  Documents that
           are  necessary to effect the placement of the Loan Interest in a Loan
           Pool,  as may be  reasonably  requested  by,  and in form  and  scope
           reasonably satisfactory to, Lender and each Rating Agency;  provided,
           however,  that such  amendments  shall not,  without  the  consent of
           Borrower,  affect the terms and  conditions  of the Note or any other
           material obligation of Borrower under the Loan Documents;

                     (iv)  cause  to  be   performed   such  site   inspections,
           appraisals, market studies,  environmental reviews and reports (Phase
           I  assessments  and,  where   appropriate,   Phase  II  assessments),
           engineering  reports and other due  diligence  investigations  of the
           Premises customarily and reasonably requested by Lender or any Rating
           Agency in  connection  with the  placement of the Loan  Interest in a
           Loan Pool and the  rating  of any  securities  issued  in  connection
           therewith;

                     (v)  provide  such  business   plans,   budgets  and  title
           insurance  (including  surveys)  relating  to the  Premises as may be
           reasonably requested by Lender or any Rating Agency;

                     (vi) cause counsel to render opinions as to "true sale" and
           bankruptcy  remoteness and other matters  customary in securitization
           transactions  with respect to the Premises,  the  Entities,  the Loan
           Interest and the Loan  Documents,  which  counsel shall be reasonably
           satisfactory  to, and which opinion shall be satisfactory  to, Lender
           and each Rating Agency;

                                      -67-


<PAGE>



           provided,  however,  that  Borrower  shall  not  be  responsible  for
           providing a "true sale"  opinion that  relates  solely to the sale by
           Lender of the Loan or a Loan Interest into a Loan Pool; and

                     (vii) make the representations and warranties  contained in
           the Loan  Documents  as of the date of the closing of the transfer of
           the Loan Interest and make such other representations with respect to
           the Premises,  the Entities, the Loan Interest and the Loan Documents
           as are customarily provided in securitization transactions and as may
           be reasonably  requested by Lender or any Rating Agency in connection
           with such closing.

           6.27.3  Disclosure;  Indemnification.  At Lender's request,  Borrower
shall cooperate with Lender's  preparation of a private placement  memorandum or
registration  statement and amendments and supplements  thereto (the "Disclosure
Document")  to  privately  place  or  publicly  distribute  the Note or the Loan
Interest or securities issued in connection therewith in a manner that satisfies
the requirements of the Securities Act and applicable state Legal  Requirements.
At the time of Lender's preparation of such Disclosure Document,  Borrower shall
execute  and  deliver  to  Lender  and any  underwriter  or  placement  agent an
instrument  (a   "Securitization   Indemnification")   (in  form  and  substance
reasonably  satisfactory  to Lender) (i)  certifying  as to the  veracity of all
written  information  that  it  supplied  and  which  was  incorporated  in such
Disclosure  Document,  and (ii)  indemnifying  and holding  each of them and any
Person  who  controls  any of them,  within  the  meaning  of  Section 15 of the
Securities  Act or  Section 70 of the  Exchange  Act  (each,  a  "Securitization
Indemnified Party"),  harmless against all costs,  expenses and damages incurred
by any Securitization Indemnified Party as a result of any untrue statement of a
material  fact made or  supplied by Borrower  as  contained  in such  Disclosure
Document or the failure by Borrower  (after receipt of a draft of the Disclosure
Statement) to specify for inclusion in the Disclosure Document any material fact
regarding Borrower (or any General Partner),  the Premises or the Loan necessary
in order to make the statements  therein,  in light of the  circumstances  under
which they were made, not misleading, but only to the extent that such statement
of  material  fact is made in  reliance  upon  and in  conformity  with  written
information  Borrower  furnished  for  use  therein  or the  omission  of such a
material fact is based upon Borrower's  failure to specify such material fact or
upon Borrower's furnishing inaccurate  information that shows that such material
fact is not material.  If Lender (or a placement agent or underwriter  acting on
behalf of Lender) shall deliver a draft of the  Disclosure  Document to Borrower
for its  review,  Borrower  shall  provide  Lender  (or the  placement  agent or
underwriter  acting on behalf of  Lender)  with its  comments,  if any,  on such
Disclosure  Document as soon as  practicable,  but in all events within  fifteen
(15)  days  after  receipt  thereof,  in the  case of the  first  draft  of such
Disclosure  Document,  and within three (3) Domestic Business Days after receipt
of any subsequent draft of such Disclosure Document. If, in connection with such
review,  Borrower  advises Lender of the existence of a fact regarding  Borrower
(or any General  Partner),  the Premises or the Loan and advises  Lender that it
deems such fact  material,  Lender  shall  include  such fact in the  Disclosure
Document or shall waive the rights of the  Indemnified  Parties  with respect to
such fact.  Upon  receipt of the  Securitization  Indemnification,  Lender shall
execute and deliver to Borrower an instrument (in form and substance  reasonably
satisfactory to Borrower) indemnifying and holding Borrower harmless against all
costs,  expenses and damages  incurred by it as a result of the  preparation  or
distribution  of, and any untrue statement of a material fact contained in, such
Disclosure Document or the failure to include therein any material fact in order
to make the statements made therein,  in light of the circumstances  under which
they were made, not misleading; provided, however, that such

                                      -68-


<PAGE>



indemnification shall not apply if any such costs, expenses or damages arise out
of or are based upon an untrue  statement  of a material  fact or an omission to
state a material fact in such  Disclosure  Document made in reliance upon and in
conformity  with written  information  furnished by Borrower  expressly  for use
therein or (after receipt of a draft of the  Disclosure  Statement) the omission
of a material fact concerning Borrower (or any General Partner), the Premises or
the Loan (other than the express terms of the Loan Documents)  necessary to make
the statements in the Disclosure Statement not misleading. Borrower shall notify
Lender if it is necessary to amend or supplement such Disclosure Document at any
time in order  that  such  Disclosure  Document  does  not  contain  any  untrue
statement of a material fact or omit to state a material fact necessary in order
to make the statements made therein,  in light of the circumstances  under which
they  were  made,  not  misleading.  Lender  shall  prepare  as  soon  as may be
reasonably  practicable an amendment or supplement to such  Disclosure  Document
correcting such statement or omission.  At the request of Lender,  in connection
with any sale of the Note or any Loan Interest,  Borrower  shall confirm,  as of
the date of such sale, that such Disclosure Document, as it may be so amended or
supplemented,  does  not  contain  any  untrue  statement  of  a  material  fact
concerning  Borrower,  any General Partner,  the Premises or the Loan or omit to
state a material fact concerning Borrower,  any General Partner, the Premises or
the Loan  necessary  in order to make the  statements  therein,  in light of the
circumstances under which they were made, not misleading.

                     6.27.4 Trustee. It is expressly  understood  hereunder that
in connection  with the  placement of any Loan  Interest in a Loan Pool,  Lender
intends to transfer  the Loan  Interest to a trustee  which shall hold such Loan
Interest for the benefit of the holders of the  interests  in the Loan Pool.  In
connection therewith, Borrower shall execute and deliver or cause to be executed
and delivered, all such additional instruments, and do, or cause to be done, all
such  additional  acts as (i) may be  necessary  or  proper  to  carry  out such
transfer,  including,  without limitation,  the delivery of such instruments and
documents,   including   assignments   of  mortgage  (and  similar   documents),
assignments of Loan Documents,  re-certifications of surveys with respect to the
Premises,  and the delivery of such mortgagee's title insurance  endorsements in
favor of the trustee as may be required to confirm and/or  evidence the transfer
to the  trustee  of the title  insurance  issued to  Lender  in  respect  of the
Premises  or the  Mortgage,  including  payment  of all  fees,  title  insurance
premiums  and other  insurance  premiums,  and/ or (ii)  Lender  may  reasonably
request.

                     6.27.5  Information  Access.  Lender  shall be permitted to
share any  information  provided by Borrower  pursuant to this  Section  6.27 in
connection  with  the  placement  of a Loan  Interest  in a Loan  Pool  with the
investment  banking firms,  each Rating Agency,  accounting firms, law firms and
other  third-party  advisory  firms  involved with any transfer of the Loan, the
Loan  Documents or the  applicable  Securitization.  It is  understood  that the
information  provided by Borrower to Lender may ultimately be incorporated  into
the offering  documents for the  Securitization  and thus various  investors may
also see some or all of the information.

                     6.27.6   Timing  of   Transfer   or   Placement.   Borrower
acknowledges  that any transfer of the Loan or the  placement of a Loan Interest
in a Loan Pool may occur at any time during the term of this  Agreement  and the
provisions of this Section 6.27 shall be applicable throughout the Term.


                                      -69-


<PAGE>




                                    ARTICLE 7
                               SPECIAL PROVISIONS


           7.1 Tax,  Insurance and Air Rights Lease  Escrow.  In order to assure
the payment of Taxes,  premiums with respect to all insurance  coverage required
pursuant to Section 7 of the Mortgage  (collectively,  "Insurance Premiums") and
Air Rights Lease Rentals as and when the same shall become due and payable,  the
following provisions shall apply:

                     7.1.1 Tax, Insurance and Air Rights Lease Deposits.  On the
date hereof,  $318,333.33  of the Loan  proceeds  advanced to Borrower  shall be
deposited  with Lender for deposit into the Tax,  Insurance and Air Rights Lease
Escrow  Subaccount  (and  shall  constitute  part of the  Outstanding  Principal
Balance) and shall be pledged to Lender as  additional  Collateral,  all as more
particularly  described in the Cash Management  Agreement.  Thereafter,  on each
Payment Date,  Borrower shall pay to Lender, in immediately  available funds for
deposit  into the Tax,  Insurance  and Air Rights Lease  Escrow  Subaccount,  an
amount  equal to  one-twelfth  (1/12) of the Taxes,  Insurance  Premiums and Air
Rights Lease Rentals to become due during the period commencing on the first day
of the first month  following  such Payment  Date and ending  twelve (12) months
following  such first day.  In all cases  there  must be paid  hereunder,  to be
deposited and held in the Tax, Insurance and Air Rights Lease Escrow Subaccount,
an amount sufficient to pay such Taxes,  Insurance Premiums and Air Rights Lease
Rentals one month prior to the date when they are due and  payable.  The amounts
of all of the foregoing  deposits with respect to Taxes,  Insurance Premiums and
Air Rights Lease Rentals  together with all interest  accruing thereon from time
to time, being (herein  collectively called "Tax, Insurance and Air Rights Lease
Deposits")  shall be determined by Lender based on actual  invoices,  or if such
invoices are not available,  based on one hundred and five percent (105%) of the
cost of the prior year's Taxes, Insurance Premiums and Air Rights Lease Rentals.
Borrower  shall  promptly,  upon the  demand of  Lender,  make  additional  Tax,
Insurance and Air Rights Lease  Deposits as Lender may from time to time require
due to (i)  failure of  Borrower  to make Tax,  Insurance  and Air Rights  Lease
Deposits  in  previous  months,  (ii)  underestimation  of the amounts of Taxes,
Insurance  Premiums  and/or Air Rights Lease  Rentals,  (iii) the particular due
dates and amounts of Taxes,  Insurance Premiums and/or Air Rights Lease Rentals,
or (iv) application of the Tax, Insurance and Air Rights Lease Deposits pursuant
to this  Agreement.  All Tax,  Insurance and Air Rights Lease  Deposits shall be
held by Lender in the Tax,  Insurance and Air Rights Lease Escrow Subaccount and
invested and applied as provided in the Cash Management Agreement.

                     7.1.2 Payment of Taxes,  Insurance  Premiums and Air Rights
Lease  Rentals.  Provided  that no Event of  Default  has then  occurred  and is
continuing,  Lender will, out of the funds in the Tax,  Insurance and Air Rights
Lease Escrow  Subaccount  (provided such funds are sufficient for such purpose),
upon the  presentation  to Lender by  Borrower  of the bills  therefor,  pay the
Taxes,  Insurance  Premiums  and Air  Rights  Lease  Rentals  or will,  upon the
presentation of official  receipted bills therefor,  reimburse Borrower for such
payments made by Borrower.  If the total funds on deposit in the Tax,  Insurance
and Air Rights Lease Escrow Subaccount shall not be sufficient to pay all of the
Taxes,  Insurance  Premiums  and Air Rights  Lease  Rentals  when the same shall
become due, then Borrower shall pay to Lender on demand the amount  necessary to
make up the deficiency.

                                      -70-


<PAGE>



Lender shall be entitled, without request of Borrower, but, prior to an Event of
Default upon two (2)  Domestic  Business  Days notice to Borrower,  to apply any
funds in the Tax,  Insurance  and Air  Rights  Lease  Escrow  Subaccount  to the
payment of any Taxes (other than any Taxes which  Borrower  has notified  Lender
that it is contesting  and such contest is then  permitted  under the Mortgage),
Insurance  Premiums  and/or Air Rights Lease  Rentals  which have become due and
have not yet been paid.  Borrower and Lender acknowledge and agree that Borrower
shall not be in default  under the Mortgage for failure to pay Taxes,  Insurance
Premiums  and/or Air Rights Lease  Rentals,  if such failure arises by reason of
Lender's failure to comply with its agreement contained in this Section 7.1.2.

                     7.1.3   Application   upon  Event  of  Default.   Upon  the
occurrence and during the continuance of an Event of Default, Lender may, at its
option, without being required to do so, apply any Tax, Insurance and Air Rights
Lease  Deposits on hand to pay Taxes,  Insurance  Premiums  or Air Rights  Lease
Rental  or to pay  principal,  interest  and  other  amounts  payable  to Lender
hereunder  or under the other  Loan  Documents,  all in such order and manner as
Lender, in its sole discretion, may elect. When the principal and interest under
the Note and all prepayment  premiums,  if any, in connection  therewith and all
other  Obligations  have been  fully  and  properly  paid,  any  remaining  Tax,
Insurance and Air Rights Lease Deposits shall be returned to Borrower.

                     7.1.4 Reliance. Lender shall be absolutely entitled to rely
on any  statements of any  Governmental  Authority with respect to Taxes and any
statement of Borrower's insurance carrier or its agent with respect to Insurance
Premiums.

                     7.1.5     Intentionally Omitted.

                     7.1.6 No Third  Party  Beneficiary.  No  provision  of this
Agreement,  the  Mortgage  or any other  Loan  Document  shall be  construed  as
creating in any party other than Borrower and Lender (and Servicer),  any rights
in and to the Tax, Insurance and Air Rights Lease Deposits or any rights to have
the Tax,  Insurance and Air Rights Lease  Deposits  applied to payment of Taxes,
Insurance  Premiums  and/or  Air  Rights  Lease  Rentals.  Lender  shall have no
obligation or duty to any third party to collect or apply Tax, Insurance and Air
Rights Lease Deposits.

           7.2       Receipts.

                     7.2.1 Deposits into Clearing Account.  After the occurrence
of an Event of  Default  and  thereafter  throughout  the term,  within  one (1)
Domestic Business Day of receipt by or on behalf of Borrower,  all Receipts from
the Premises  shall be deposited  into the Clearing  Account,  for credit to the
Cash  Collateral  Account in  accordance  with the terms of the Cash  Management
Agreement.  The terms, covenants and conditions of the Cash Management Agreement
are hereby incorporated herein by reference.


                                      -71-


<PAGE>



                     7.2.2     Application of Receipts.

                     (a) Unless and until the occurrence of an Event of Default,
on each Payment Date,  Borrower shall apply all Receipts (which, for purposes of
this  Section  7.2.2,  shall  include  the sum of all  Excluded  Revenue  Items)
received by or on behalf of Borrower  during the previous  calendar month in the
following order of priority:

                     (i) first, to Lender, in payment of the Tax,  Insurance and
           Air Rights Lease Deposits due on such date;

                     (ii) second,  to Lender, in payment of (w) all interest due
           to Lender on such date in accordance with Section 2.4.1 hereof,  then
           (x) any principal payment due on such date, including all prepayments
           required  or  permitted  under any Loan  Documents,  and then (y) the
           Servicing  Fee  due on such  date in  accordance  with  Section  2.11
           hereof,  and then (z) any other amount payable on such date to Lender
           or  Servicer  pursuant  to this  Agreement  or any of the other  Loan
           Documents  including,  without  limitation,  pursuant  to Section 2.5
           hereof;

                     (iii) third,  to  Borrower,  for the payment of Expenses in
           accordance  with the  applicable  Approved  Budget (other than Taxes,
           Insurance Premiums and Air Rights Lease Rentals to be paid for out of
           the Tax,  Insurance and Air Rights Lease Escrow  Subaccount)  or such
           other  Expenses as shall have been approved by Lender (such  Receipts
           as remain after  application of Receipts in accordance with items (i)
           and (ii) above and this item (iii), the "Remaining Receipts"); and

                     (iv)  finally,  subject  to  Section  7.2.2(b)  hereof,  to
           Borrower,  the  Remaining  Receipts,  to be used by Borrower  for any
           purpose determined by Borrower.

           (b)  Notwithstanding  anything to the contrary contained herein, upon
the occurrence and during the continuance of an Event of Default, Servicer shall
apply  Receipts in any manner  permitted  under the Cash  Management  Agreement,
including,  without  limitation,  applying any portion of Receipts to all or any
portion  of the  outstanding  Obligations,  and in no event  shall  Borrower  be
entitled to receive any of the Remaining Receipts.

           (c) Lender and Borrower  hereby  acknowledge  and agree that Borrower
shall remain  liable for the payment of all amounts due under  clauses (i), (ii)
and (iii) of Section 7.2.2(a) hereof whether or not sufficient Receipts exist to
satisfy the same.


                                    ARTICLE 8
                       SINGLE PURPOSE ENTITY/SEPARATENESS

           8.1 Representations,  Warranties and Covenants.  Borrower represents,
warrants and covenants as of the date hereof and until such time as the Loan and
all other  amounts  payable  under any of the Loan  Documents  are paid in full,
that:


                                      -72-


<PAGE>



                     (i) neither  Borrower,  General Partner nor Managing Member
           shall   enter   into  any   transaction   of   acquisition,   merger,
           consolidation  or  amalgamation,  or  liquidate,  wind up or dissolve
           itself  (or  suffer  any  liquidation  or  dissolution),  create  any
           subsidiaries,   or  acquire  by   purchase   or   otherwise   all  or
           substantially  all the  business  or  assets  of,  or  stock or other
           evidences of beneficial  ownership of, or make any investment in, any
           Person,  or  make  any  material  change  in its  present  method  of
           conducting   business   or  amend  the  terms  of  their   respective
           Organizational Documents;

                     (ii) neither Borrower,  General Partner nor Managing Member
           is contemplating either the filing of a petition by such Person under
           any state or federal bankruptcy or insolvency laws or the liquidation
           of all or a major  portion of such Person's  assets or property,  and
           Borrower  has  no  knowledge   (after  due  inquiry)  of  any  Person
           contemplating  the filing of any such  petition  against it,  General
           Partner or Managing Member;

                     (iii)  except with respect to a Person which is (i) General
           Partner,  in the  ordinary  course of such  Person  acting as General
           Partner,  or (ii)  Managing  Member,  in the ordinary  course of such
           Person acting as Managing Member,  none of Borrower,  General Partner
           nor  Managing  Member has,  and no such  Person  will,  guarantee  or
           otherwise  hold  out  its  credit  as  being   available  to  satisfy
           obligations of any other Person;

                     (iv) Borrower was organized for the sole purpose of owning,
           managing and operating the Premises and activities ancillary thereto,
           General  Partner was  organized for the sole purpose of acting as the
           General Partner of Borrower and Managing Member was organized for the
           sole purpose of acting as the Managing Member of General Partner;

                     (v) Borrower has not, and will not,  engage in any business
           unrelated to the ownership,  management and operation of the Premises
           and  activities  ancillary  thereto and will  conduct and operate its
           business as presently  conducted  and operated.  General  Partner has
           not, and will not, engage in any business  unrelated to acting as the
           General  Partner of Borrower.  Managing Member has not, and will not,
           engage in any business  unrelated to acting as the Managing Member of
           General Partner;

                     (vi) none of Borrower,  General  Partner or Managing Member
           will enter into any contract or agreement  with any member,  partner,
           principal,  shareholder or Affiliate of Borrower,  General Partner or
           Managing   Member,   except  upon  terms  and  conditions   that  are
           intrinsically  fair and substantially  similar to those that would be
           available on an arms-length basis with unrelated third parties;

                     (vii) in addition to any  limitations  with respect thereto
           contained in Section 4.4 hereof, none of Borrower, General Partner or
           Managing Member have incurred,  and will not incur,  any Indebtedness
           or material liabilities,  secured or unsecured,  direct or contingent
           (including guaranteeing any obligation),  other than the Indebtedness
           permitted under Section 4.4 hereof;  provided,  however, that no such
           Indebtedness  or  liabilities  (other  than the Loan) may be  secured
           (senior,  subordinate  or pari passu) by the  Premises or any portion
           thereof, except as expressly permitted in said Section 4.4 hereof;

                                      -73-


<PAGE>



                     (viii) none of Borrower, General Partner or Managing Member
           has made,  nor will they  make,  any loans or  advances  to any third
           party  (including  any Affiliate of Borrower) and will not pledge its
           assets for the benefit of any third party (including any Affiliate of
           Borrower);

                     (ix) each of Borrower,  General Partner and Managing Member
           is and  will be  solvent  and  will  pay its  debts  and  liabilities
           (including  employment and overhead  expenses) from its own assets as
           the same shall become due;

                     (x) each of Borrower,  General  Partner and Managing Member
           will maintain its own separate  books and records and bank  accounts,
           in each case which are and will be  separate  and apart from those of
           any other Person;

                     (xi) each of Borrower,  General Partner and Managing Member
           will be,  and at all times  will hold  itself out to the public as, a
           legal entity  separate and distinct from any other entity  (including
           any  Affiliate   thereof),   shall  maintain  and  utilize   separate
           stationery, invoices and checks, shall otherwise conduct its business
           and own its  assets in its own  name,  and  shall  correct  any known
           misunderstanding regarding its separate identity;

                     (xii) each of Borrower, General Partner and Managing Member
           has and will maintain separate financial statements and will file its
           own tax returns;

                     (xiii)  each of  Borrower,  General  Partner  and  Managing
           Member will  maintain  adequate  capital  for the normal  obligations
           reasonably foreseeable in a business of its size and character and in
           light of its contemplated business operations;

                     (xiv) none of Borrower,  General Partner or Managing Member
           will seek the  dissolution or winding up, in whole or in part, of any
           such Person;

                     (xv) none of Borrower,  General  Partner or Managing Member
           will  commingle its funds or other assets with those of any Affiliate
           or other Person;

                     (xvi) each of Borrower, General Partner and Managing Member
           has and will  maintain  its  assets  in such a manner  that it is not
           costly  or  difficult  to   segregate,   ascertain  or  identify  its
           individual assets from those of any Affiliate or any other Person;

                     (xvii)  each of  Borrower,  General  Partner  and  Managing
           Member has and will  maintain a  reasonable  number of  employees  in
           light of its  contemplated  business  operations  and  shall  pay the
           salaries of its  employees,  and will not do any act which would make
           it impossible to carry on the ordinary business of such Person;

                     (xviii)  none of  Borrower,  General  Partner  or  Managing
           Member  will  file  or  consent  to  the  filing  of a  petition  for
           bankruptcy,  reorganization,  assignment for the benefit of creditors
           or  similar   proceeding  under  any  federal  or  state  bankruptcy,
           insolvency,  reorganization  or other  similar  law with  respect  to
           Borrower, General Partner or Managing

                                      -74-


<PAGE>



           Member ,  without  (A) if such  Person  shall be a limited  liability
           company,  without the unanimous  consent of its members,  (B) if such
           Person shall be a partnership,  the unanimous  consent of its limited
           partners  and  general  partners,  or (C) if such  Person  shall be a
           corporation, the unanimous consent of its directors;

                     (xix) the sole  assets of  Borrower  are,  and for the Term
           shall be, (A) the fee  interest in the  Premises,  (B) such assets as
           are  otherwise  acquired  in  connection  with  the  use,  operation,
           maintenance,  repair or management of the Premises,  and (C) cash and
           accounts receivable;

                     (xx) each of Borrower,  General Partner and Managing Member
           has and will observe all partnership  formalities,  limited liability
           company formalities or corporate formalities, as applicable;

                     (xxi)  Borrower,  General  Partner and Managing Member have
           not and will not  acquire the  obligations  or  securities  of any of
           their partners, members or shareholders, as applicable;

                     (xxii) Borrower,  General Partner and Managing Member shall
           each allocate fairly and reasonably any overhead for any office space
           which such entity shares with any other entity;

                     (xxiii) Borrower,  General Partner and Managing Member will
           at all times comply,  with each of the  representations,  warranties,
           and covenants contained in this Article 8; and

                     (xxiv) Managing Member shall, at all times while any of the
           Obligations  remain  outstanding  and for a period  of three  hundred
           sixty six (366) days thereafter,  have an Independent Director, whose
           vote shall be required as set forth in the  Organizational  Documents
           of Borrower,  General  Partner and Managing Member as existing on the
           date hereof.


            [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK]

                                      -75-


<PAGE>



           IN WITNESS  WHEREOF,  each of Borrower  and Lender have  executed and
delivered this Agreement or caused its duly authorized representative to execute
and deliver the same as of the day and year first above written.

LENDER:

CREDIT SUISSE FIRST BOSTON
  MORTGAGE CAPITAL LLC


By: /s/ Marc J. Warren
   ---------------------
   Name: Marc J. Warren
   Authorized Signatory

BORROWER:

810 7TH AVENUE, L.P., a
New York limited partnership

By:        810 7th Avenue GP LLC, a
           Delaware limited liability company, its
           General Partner

           By:       Tower QRS NO. 5 Corp.,  a Delaware corporation,
                     its Managing Member



                     By: /s/ Lawrence H. Feldman
                         -------------------------
                        Name:  Lawrence H. Feldman
                        Title: President




                                      -76-


<PAGE>


                             SCHEDULE A - continued


                                   SCHEDULE A

LOT 38:

ALL that certain plot, piece or parcel of land, situate,  lying and being in the
Borough of Manhattan,  County, City and State of New York, bounded and described
as follows:

BEGINNING  at a point on the  northerly  side of West 52nd Street  opposite  the
center of a certain party wall standing partly on the premises and partly on the
premises adjoining on the easterly side thereof,  which point is distant 74 feet
4 inches westerly from the northwesterly  corner of Seventh Avenue and West 52nd
Street; and

RUNNING THENCE  northerly  parallel with the westerly side of Seventh Avenue and
for part of the  distance  through  the  center of said  party  wall,  75 feet 5
inches;

THENCE  easterly and parallel with the said  northerly side of West 52nd Street,
74 feet 3-3/4 inches to the westerly side of Seventh Avenue;

THENCE  northerly  along the said  westerly side of Seventh  Avenue,  125 feet 5
inches to the corner  formed by the  intersection  of the said  westerly side of
Seventh Avenue and the southerly side of West 53rd Street;

THENCE  westerly  along the said  southerly  side of West 53rd Street,  195 feet
2-3/8 inches to the  intersection of the said southerly side of West 53rd Street
and the easterly side of Broadway;

THENCE southerly along the said easterly side of Broadway, 126 feet 1-1/2 inches
more or less, to a point in a line  parallel to the northerly  side of West 52nd
Street, 75 feet 5 inches northerly  therefrom measured on a line at right angles
to the northerly side of West 52nd Street;

THENCE  easterly  parallel with the said northerly side of West 52nd Street,  69
feet 11 inches;

THENCE southerly at right angles to the said northerly side of West 52nd Street,
75 feet 5 inches to the said northerly side of West 52nd Street; and

THENCE  easterly along the said  northerly  side of West 52nd Street,  37 feet 7
inches to the point or place of BEGINNING.




<PAGE>


                             SCHEDULE A - continued


AIR RIGHTS LOT 29 LEASE:

The Air  Rights Lot 29 Lease  covers  premises  more  particularly  bounded  and
described as follows:

ALL that certain lot, piece or parcel of land,  situate,  lying and being in the
Borough of Manhattan,  City,  County and State of New York bounded and described
as follows:

BEGINNING at a point formed by the  intersection  of the northerly  side of West
52nd Street with the westerly side of Seventh Avenue; and

RUNNING THENCE  westwardly along the northerly side of West 52nd Street, 74 feet
4 inches to a point opposite the center line of a 16 inch party wall;

THENCE northwardly parallel with Seventh Avenue and part of the distance through
the center of said party wall, 75 feet 5 inches;

THENCE  eastwardly  parallel  with  West  52nd  Street,  74 feet 4 inches to the
westerly side of Seventh Avenue; and

THENCE  southwardly  along the westerly side of Seventh Avenue, 75 feet 5 inches
to the point or place of BEGINNING.




<PAGE>


                             SCHEDULE A - continued


AIR RIGHTS LOT 131 LEASE:

The Air Rights Lot 131 Lease  covers  premises  more  particularly  bounded  and
described as follows:

ALL that certain lot, piece or parcel of land,  situate,  lying and being in the
Borough of Manhattan,  City, County and State of New York, bounded and described
as follows:

BEGINNING at the corner formed by the intersection of the northerly side of 52nd
Street with the easterly side of Broadway as now laid down;

RUNNING  THENCE  easterly  along the northerly  side of 52nd Street,  61 feet 10
inches to the  center  line of the  westerly  wall of  building  erected  in the
premises adjoining on the east of the premises hereby described;

RUNNING THENCE  northerly  parallel with the westerly side of Seventh Avenue and
along  said  line of said  wall and a line in  prolongation  thereof,  75 feet 5
inches;

RUNNING THENCE westerly parallel with the northerly side of 52nd Street, 69 feet
11 inches to the said easterly side of Broadway; and

RUNNING THENCE southerly along the easterly side of Broadway,  75 feet 11 inches
to the point or place of BEGINNING.

BE said several distances and dimensions more or less.




<PAGE>



                                  SCHEDULE A-2

                          Air Rights Lease over Lot 29

That certain Lease dated March 28, 1967 by and between Moses Dyckman,  as lessor
and Abraham  Sommer,  as lessee,  a memorandum  of which was recorded on May 29,
1967 in the City Register's Office, New York County (the "Register's Office") in
Record Liber 185, page 27.

           WITH RESPECT THERETO:

           a.        Agreement  between Abraham Sommer and Moses Dyckman,  dated
                     March 28, 1967 and recorded May 29, 1967 in the  Register's
                     Office in Record Liber 185, Page 144.

           b.        Assignment  of Lease  made by  Abraham  Sommer  to  Croydon
                     Office Building, Inc., dated February 21, 1969 and recorded
                     February  26,  1969 in the  Register's  Office in Reel 132,
                     Page 394.

           c.        Assignment of Lease made by Croydon Office  Building,  Inc.
                     to Abraham  Sommer,  dated  February  21, 1969 and recorded
                     February  26,  1969 in the  Register's  Office in Reel 132,
                     Page 583.

           d.        Assignment  of Lease  made by  Abraham  Sommer  to  Croydon
                     Office Building, Inc., dated September 9, 1969 and recorded
                     September  12, 1969 in the  Register's  Office in Reel 150,
                     Page 1951.

           e.        Assignment of Lease made by Croydon Office  Building,  Inc.
                     to Abraham  Sommer,  dated  September 10, 1969 and recorded
                     September  16, 1969 in the  Register's  Office in Reel 151,
                     Page 425.

           f.        Assignment  of Lease  made by  Beverly  Sommer  and  Harold
                     Kantor, as Trustees of the Trust under Article Fifth of the
                     Will of  Abraham  Sommer,  and Amy  Sommer  to 810  Seventh
                     Avenue LLC, dated September 22, 1995 and recorded  December
                     15, 1995 in the Register's Office in Reel 2271, Page 2237.

           g.        Assignment of Air Rights Lease from 810 Seventh  Avenue LLC
                     to 810  Partners,  LLC,  dated  October  23, 1997 and to be
                     recorded in the Register's Office.

           h.        Assignment  of Air Rights Lease from 810  Partners,  LLC to
                     810 7th Avenue,  L.P.,  dated December ____, 1997 and to be
                     recorded in the Register's Office.



                              Schedule A-2 - Page 1

<PAGE>



                     Air Rights Lease over Lot 29 Continued


That certain  Sublease dated October 19, 1955 by and between Moses  Dyckman,  as
lessor and 800 Estates Corp., as lessee, which lease was recorded on November 2,
1955 in the City Register's Office, New York County (the "Register's Office") in
Record Liber 4940, Page 609.

           WITH RESPECT THERETO:

           A.        Agreement  between Moses  Dyckman,  Abraham  Sommer and 800
                     Estates  Corp.,  dated March 28, 1967 and  recorded May 29,
                     1967 in the Register's Office in Record Liber 185, Page 30.

           B.        Agreement  between Moses  Dyckman,  Abraham  Sommer and 800
                     Estates  Corp.,  dated March 28, 1967 and  recorded May 13,
                     1981 in the Register's Office in Reel 566, Page 1.

           C.        Amendment  of Lease dated March 28, 1967 by and between 800
                     Estates Corp. and Abraham Sommer.

           D.        Assignment  of Lease  made by 800  Estates  Corp.  to Tydel
                     Holding Corp.,  dated May 5, 1981 and recorded May 22, 1981
                     in the Register's Office in Reel 567, page 506.

           E.        Amendment to Lease made by and between  Beverly  Sommer and
                     Robert S. Puder,  as Trustees  under  Article  Fifth of the
                     Last Will and  Testament  of Abraham  Sommer,  and  Beverly
                     Sommer and Robert S. Puder, as Trustees under Article Ninth
                     of the Last Will and Testament of Abraham Sommer, and Tydel
                     Holding  Corp.,  dated April 17, 1986 and  recorded May 28,
                     1986 in the Register's Office in Reel 1069, page 817.






                              Schedule A-2 - Page 2

<PAGE>



                          Air Rights Lease over Lot 131


That certain Lease dated April 10, 1968 by and between Chatham Associates, Inc.,
as landlord and Abraham Sommer, as tenant, which lease was recorded on April 11,
1968 in the City Register's Office, New York County (the "Register's Office") in
Record Liber 294, Page 49.

           WITH RESPECT THERETO:

           a.        Amendment of Lease made between  Chatham  Associates,  Inc.
                     and  Abraham  Sommer,  dated as of  February  13,  1969 and
                     recorded February 25, 1969 in the Register's Office in Reel
                     132, Page 171.

           b.        Assignment  of Lease  made by  Abraham  Sommer  to  Croydon
                     Office Building, Inc., dated February 21, 1969 and recorded
                     February  26,  1969 in the  Register's  Office in Reel 132,
                     Page 390.

           c.        Assignment of Lease made by Croydon Office  Building,  Inc.
                     to Abraham  Sommer,  dated  February  21, 1969 and recorded
                     February  26,  1969 in the  Register's  Office in Reel 132,
                     Page 587.

           d.        Subordination  and  Non-disturbance  Agreement made between
                     Rosenthal and Rosenthal, Inc., Chatham Associates, Inc. and
                     Abraham  Sommer,  dated  February  26,  1969  and  recorded
                     February 28, 1969 in Reel 132, page 1276.

           e.        Assignment  of Lease  made by  Abraham  Sommer  to  Croydon
                     Office Building, Inc., dated September 9, 1969 and recorded
                     September  12, 1969 in the  Register's  Office in Reel 150,
                     Page 1947.

           f.        Assignment of Lease made by Croydon Office  Building,  Inc.
                     to Abraham  Sommer,  dated  September 10, 1969 and recorded
                     September  16, 1969 in the  Register's  Office in Reel 151,
                     Page 421.

           g.        Assignment  of Lease  made by  Beverly  Sommer  and  Harold
                     Kantor, as Trustees of the Trust under Article Fifth of the
                     Will of  Abraham  Sommer,  and Amy  Sommer  to 810  Seventh
                     Avenue LLC, dated September 22, 1995 and recorded  December
                     15, 1995 in the Register's Office in Reel 2271, page 2237.

           h.        Assignment of Air Rights Lease from 810 Seventh  Avenue LLC
                     to 810  Partners,  LLC,  dated  October  23, 1997 and to be
                     recorded in the Register's Office.

           i.        Assignment  of Air Rights Lease from 810  Partners,  LLC to
                     810 7th Avenue,  L.P.,  dated  December  __, 1997 and to be
                     recorded in the Register's Office.


                              Schedule A-2 - Page 3

<PAGE>



                                   SCHEDULE B

                                    Contracts

                                     None.

<PAGE>



                                   SCHEDULE C

                                     Leases

<PAGE>



                                   SCHEDULE D

                                   Litigation

                                     None.


<PAGE>


                                   SCHEDULE E

                             Contingent Liabilities

                                     None.

                                                                     Exhibit 2.3


                CONSOLIDATED, AMENDED AND RESTATED MORTGAGE NOTE


US $100,000,000.00                                             December 31, 1997
                                                              New York, New York


          FOR VALUE RECEIVED, 810 7th AVENUE, L.P., a New York limited
partnership, having an address c/o Tower Realty Trust, Inc., 292 Madison Avenue,
3rd floor, New York, New York 10017 ("Maker"), promises to pay to the order of
CREDIT SUISSE FIRST BOSTON MORTGAGE CAPITAL LLC, a Delaware limited liability
company, having an address at 11 Madison Avenue, New York, New York 10010
(together with its successors and assigns, "Holder"), the principal sum of ONE
HUNDRED MILLION AND 00/100 DOLLARS (US $100,000,000.00), in lawful money of the
United States of America, or so much thereof as may be advanced by Holder
pursuant to the terms of that certain Loan Agreement of even date herewith by
and between Maker and Holder (as from time to time amended in accordance with
the terms thereof and in effect, the "Loan Agreement"; all capitalized terms
used herein and not otherwise defined shall have the meanings ascribed to such
terms in the Loan Agreement), on the dates provided in the Loan Agreement,
together with all other amounts payable to Holder hereunder and under any of the
other Loan Documents.

          Maker further agrees to pay to Holder interest in like money on the
unpaid principal amount hereof from time to time outstanding from the date
hereof until paid in full at the rates and at the times set forth in the Loan
Agreement. Principal and interest shall be payable on the dates and in the
manner provided in the Loan Agreement with all unpaid amounts of principal and
interest due on the day which is the earlier to occur of (i) June 30, 1998, as
the same may be extended pursuant to Section 2.2.2 of the Loan Agreement or (ii)
the date on which payment of the Loan shall have been accelerated pursuant to
Section 5.2 of the Loan Agreement.

          This Consolidated, Amended and Restated Mortgage Note (i)
consolidates, amends and restates the Existing Notes (as defined in the
Mortgage) in their entirety, (ii) does not create any new or additional
indebtedness, but evidences the same indebtedness evidenced by the Existing
Notes, (iii) is the Note referred to in the Loan Agreement and is entitled to
the benefits thereof and (iv) is secured as provided in the Loan Agreement and
is subject to optional and mandatory prepayment in whole or in part as provided
therein.

          The terms, covenants, agreements, rights, obligations and conditions
contained in this Consolidated, Amended and Restated Mortgage Note supersede and
control the terms, covenants, agreements, rights, obligations and conditions
contained in the Existing Notes, it being agreed that the consolidation,
amendment and restatement of the Existing Notes hereby shall not impair the
indebtedness evidenced by the Existing Notes.



<PAGE>



          After the occurrence of any one or more of the Events of Default
specified in the Loan Agreement, all amounts then remaining unpaid on this
Consolidated, Amended and Restated Mortgage Note may be declared to be
immediately due and payable, all as provided in the Loan Agreement and the other
Loan Documents.

          Maker hereby waives presentment, demand, protest or notice of any kind
in connection with this Consolidated, Amended and Restated Mortgage Note.

          The provisions of Section 6.20 of the Loan Agreement are hereby
incorporated by reference herein.

          THE PLACE OF NEGOTIATION, EXECUTION AND DELIVERY OF THIS CONSOLIDATED,
AMENDED AND RESTATED MORTGAGE NOTE IS THE STATE OF NEW YORK. THIS CONSOLIDATED,
AMENDED AND RESTATED MORTGAGE NOTE SHALL BE GOVERNED BY AND CONSTRUED AND
ENFORCED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. IT IS THE INTENT
OF MAKER THAT THE PROVISIONS OF SECTION 5-1401 OF THE GENERAL OBLIGATIONS LAW OF
THE STATE OF NEW YORK SHALL APPLY TO THIS CONSOLIDATED, AMENDED AND RESTATED
MORTGAGE NOTE.

          IN WITNESS WHEREOF, Maker has executed and delivered this
Consolidated, Amended and Restated Mortgage Note or caused the same to be
executed and delivered by its duly authorized representative as of the date
first above written.


                                  810 7th AVENUE, L.P.,
                                  a New York limited partnership


                                  By:  810 7th AVENUE GP LLC,
                                       a Delaware limited liability company,
                                       its General Partner


                                       By:  Tower QRS No. 5 Corp.,
                                            a Delaware corporation, its
                                            Managing Member


                                            By: /s/ Lawrence H. Feldman
                                               ----------------------------
                                               Name:  Lawrence H. Feldman
                                               Title: President



<PAGE>


STATE OF NEW YORK          )
                           )   ss.:
COUNTY OF NEW YORK         )


          On the 31st day of December, 1997, before me personally came Lawrence
Feldman to me known, and who, being duly sworn, did depose and say that he
resides at 292 Madison Avenue, 3rd Floor, NYC; that he is the President of Tower
QRS NO. 5 Corp., a Delaware corporation, the Managing Member of 810 7th Avenue
GP LLC, a Delaware limited liability company, the General Partner of 810 7th
Avenue, L.P., a New York limited partnership, the limited partnership described
in and which executed the foregoing instrument; and that he signed his name
thereto by order of the Board of Directors of Tower QRS NO. 5 Corp., as Managing
Member of, and as the act and deed of, said 810 7th Avenue GP LLC, as the
General Partner of, and as the act and deed of 810 7th Avenue, L.P. for the uses
and purposes therein mentioned.


                                              /s/ Jason R. Goldstein
                                             -----------------------------
                                                    Notary Public
                                                [Notary Public Stamp]

                                                                     Exhibit 2.4


                             AGREEMENT OF PRINCIPAL



         THIS AGREEMENT OF PRINCIPAL (this  "Agreement") is made as of this 31st
day of December,  1997, by TOWER REALTY OPERATING PARTNERSHIP,  L.P., a Delaware
limited  partnership having an address c/o Tower Realty Trust, Inc., 292 Madison
Avenue,  3rd floor,  New York,  New York 10017  ("Principal"),  to CREDIT SUISSE
FIRST  BOSTON  MORTGAGE  CAPITAL  LLC,  a  Delaware  limited  liability  company
("Lender"), having an address at 11 Madison Avenue, New York, New York 10010.

                                    RECITALS


         A. 810 7th Avenue, L.P.  ("Borrower") is the owner of the real property
located in the City of New York,  County of New York, State of New York and more
particularly  described  on Schedule A annexed  hereto,  and the  buildings  and
improvements located thereon (the "Premises").

         B. Concurrently herewith, Lender is making or committing to make a loan
to Borrower in the original principal amount of $100,000,000.00 (the "Loan").

         C. To evidence the Loan,  Borrower has executed and delivered to Lender
(i) a certain  Consolidated,  Amended and Restated  Mortgage Note dated the date
hereof in the principal  amount of  $100,000,000.00  (as amended and/or restated
from time to time, the "Note") and (ii) a certain Loan Agreement  dated the date
hereof (as amended and/or restated from time to time, the "Loan Agreement").

         D.  Concurrently  herewith,  Borrower  has  granted to Lender a certain
Mortgage  Consolidation,  Modification,  Extension  and Security  Agreement  (as
amended  and/or  restated from time to time,  the  "Mortgage")  encumbering  the
Premises.

         E. Principal owns, either directly or indirectly,  beneficial interests
in  Borrower  and,  as a  result  of  such  beneficial  interests,  will  derive
substantial benefits from the making of the Loan to Borrower.

         F. To induce  Lender to make the Loan,  Principal  has  agreed to enter
into this Agreement,  Principal acknowledging that without this Agreement Lender
would be unwilling to make the Loan.

                  NOW, THEREFORE, in consideration of the foregoing and for
other good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, Principal hereby agrees and covenants as follows:


                                       -1-

<PAGE>



         SECTION 1.  Definitions.  All  capitalized  terms  used  herein and not
otherwise  defined  shall have the  meanings  ascribed to such terms in the Loan
Agreement.

         SECTION 2. Retained Liabilities. Principal shall, jointly and severally
with Borrower, be personally liable for, (i) the full recourse obligation to pay
the  Obligations  upon the  occurrence  of any event set forth in the  following
clauses (m) and/or (n),  and (ii) any  liabilities,  costs,  losses  (including,
without  limitation,  any  reduction  in value  of the  Premises,  or any  other
Collateral  or the loss of any such  Collateral  or Lender's  security  interest
therein), damages, expenses (including, without limitation,  attorneys' fees and
disbursements,  and court  costs,  if any),  or claims  suffered  or incurred by
Lender  (or any  Indemnified  Party)  by  reason  of or in  connection  with the
occurrence  of any event set forth in any of the  following  clauses (a) through
(o) (collectively, the "Retained Liabilities"):

                  (a) any fraud or breach of trust by  Borrower  or any  Related
         Party,  including by reason of any claim under the Racketeer Influenced
         and Corrupt Organizations Act ("RICO");

                  (b)  the   misapplication   of  any   insurance   proceeds  or
         condemnation awards;

                  (c) the failure of Borrower or any Related  Party to direct or
         pay Receipts  received by Borrower or any Related Party to the Clearing
         Account or the Cash  Collateral  Account and as required under the Loan
         Agreement and the Cash Management Agreement;

                  (d) the misapplication by Borrower or any Related Party (or at
         any such  Person's  direction)  of monies  held in or paid out from any
         account  (including  any reserve or escrow)  maintained  under the Loan
         Agreement,  the Cash  Management  Agreement  or any of the  other  Loan
         Documents,  including  without  limitation,  monies  paid  to  Borrower
         pursuant to Section 8 of the Cash Management Agreement;

                  (e) any and all tenant security  deposits held by Borrower not
         being  properly  applied,  returned to tenants when due or delivered to
         Lender,  any  receiver  or any  Person  purchasing  the  Premises  at a
         foreclosure  sale upon the  taking of  possession  of the  Premises  by
         Lender,  such  receiver  or  other  Person  as  provided  in  the  Loan
         Documents;

                  (f) a breach by Borrower of any of the covenants  contained in
         Section 4.2 or 4.8 of the Loan Agreement;

                  (g) wrongful  removal or destruction of property  constituting
         the Premises or any intentional  waste of the Premises by Borrower or a
         Related Party;

                  (h) any  Legal  Requirement  (including  RICO)  mandating  the
         forfeiture by Borrower of the Premises, or any portion thereof, because
         of the conduct or purported conduct of criminal activity by Borrower or
         any Related Party in connection therewith;



                                       -2-

<PAGE>




                  (i) any material misrepresentation, miscertification or breach
         of warranty by Borrower with respect to any representation, warranty or
         certification contained in this Agreement or any other Loan Document or
         in any document  executed in connection  therewith,  pursuant to any of
         the Loan  Documents or otherwise to induce  Lender to make the Loan, or
         any advance  thereof,  or to release  monies  from any account  held by
         Lender  (including  any reserve or escrow) or to take other action with
         respect to Collateral;

                  (j) a breach of any of the provisions of Article 8 of the Loan
         Agreement (if and to the extent a substantive consolidation of Borrower
         and another Person occurs as a result thereof);

                  (k) any  damage or  destruction  of the  Premises  or any part
         thereof  due to fire or other  casualty  to the extent  not  covered by
         insurance required by the terms of the Loan Agreement,  but only to the
         extent the same would have been  covered by  insurance  if Borrower had
         obtained and maintained the insurance coverage required by the terms of
         the Loan Agreement;

                  (l) the amount of any Lien voluntarily placed on the Premises
         by Borrower (or any predecessor-owner of the Premises which is an
         Affiliate of Borrower) which is prior to the Lien of the Mortgage
         against the Premises;

                  (m) (i) any  Significant  Party  filing a  voluntary  petition
         under the United States  Bankruptcy  Code or any other federal or state
         bankruptcy or insolvency  law, or (ii) any Affiliate of Borrower files,
         or  joins  in the  filing  of,  an  involuntary  petition  against  any
         Significant  Party under the United States Bankruptcy Code or any other
         federal or state bankruptcy or insolvency law, or (iii) any Significant
         Party files an answer  consenting to or acquiescing in any  involuntary
         petition filed against it or against any other Significant Party by any
         other  Person  under the  United  States  Bankruptcy  Code or any other
         federal or state bankruptcy or insolvency law, or (iv) any Affiliate of
         Borrower  consenting to or  acquiescing in or joining in an application
         for the appointment of a custodian,  receiver,  trustee or examiner for
         any  Significant  Party or any  portion of the  Collateral,  or (v) any
         Significant Party making an assignment for the benefit of creditors, or
         admitting  its  insolvency or inability to pay its debts as they become
         due; or

                  (n) Borrower or any Affiliate of Borrower contesting or in any
         way interfering with,  directly or indirectly,  any foreclosure action,
         Uniform  Commercial  Code  sale  and/or  deed in  lieu  of  foreclosure
         transaction  commenced  by  Lender  or with any  other  enforcement  of
         Lender's rights,  powers or remedies under any of the Loan Documents or
         under any document evidencing, securing or otherwise relating to any of
         the   Collateral   (whether   by  making  any  motion,   bringing   any
         counterclaim,  claiming any defense,  seeking any  injunction  or other
         restraint,  commencing  any  action,  seeking to  consolidate  any such
         foreclosure or other  enforcement with any other action, or otherwise);
         provided,  however, that Principal shall not be so liable if a court of
         competent jurisdiction determines that such Contest was brought in good
         faith (even if such Contest was unsuccessful).



                                       -3-

<PAGE>




Nothing  contained  herein is intended  to limit the  obligations  and  personal
liability of the  guarantors  under any guaranty and the  indenmitors  under any
indemnity   agreement,   including,   without   limitation,   the  Environmental
Indemnification Agreement, executed by any Person for the benefit of Lender.

         SECTION 3. Primary  Liability.  The  liability  of  Principal  shall be
direct and  immediate as a primary and not a secondary  obligation or liability,
and is not  conditional or contingent  upon the pursuit of any remedies  against
Borrower or any other Person, or against any collateral or liens held by Lender.
Principal  waives any rights  which it may have to require that (a) Lender first
proceed  against  Borrower  or any other  Person  with  respect to the  Retained
Liabilities,  or (b) Lender first proceed against any Collateral held by Lender,
or  (c)  any  party  be  joined  in  any  proceeding  to  enforce  the  Retained
Liabilities.

         SECTION 4. Waiver of Subrogation Rights. Principal waives any rights to
enforce  any  remedy  which  Lender  may have  against  Borrower,  any rights to
participate  in  any  security  for  the  Loan  and  any  rights  of  indemnity,
reimbursement,  contribution or subrogation  Principal may have against Borrower
with respect to the Retained  Liabilities,  which waiver shall be effective only
for so long as any  amount  due to Lender in  connection  with the Loan  remains
unpaid.

         SECTION 5. Covenants,  Representations and Warranties. Principal hereby
covenants  and  agrees  to be bound  by the  obligations  set  forth in the Loan
Agreement  and agreed to by Borrower  on its behalf  therein.  Principal  hereby
represents and warrants that any representations or warranties  contained in the
Loan  Agreement  which  apply to it shall  be true  and  correct  as of the date
hereof.  By this  reference,  such  covenants,  representations  and  warranties
pertaining  to  Principal  as  set  forth  in  the  Loan  Agreement  are  hereby
incorporated  in, and made a part of, this  Agreement  as though fully set forth
herein.

         SECTION 6.  Amendments/Release.  Principal  hereby  consents and agrees
that Lender may at any time, and from time to time, without notice to or further
consent from Principal, and either with or without consideration,  do any one or
more of the following,  all without affecting the agreements contained herein or
the liability of either of Principal for the Retained Liabilities: (a) surrender
without  substitution  any  property or other  collateral  of any kind or nature
whatsoever  held by it, or by any person,  firm or  corporation on its behalf or
for its account,  securing the Loan or the Retained Liabilities;  (b) modify the
terms of any  document  evidencing,  securing or setting  forth the terms of the
Loan; (c) grant releases,  compromises  and/or  indulgences  with respect to the
Loan, the Retained  Liabilities or any Persons now or hereafter  liable thereon;
or (d) take or fail to take any action of any type  whatsoever  with  respect to
the Loan or the Retained Liabilities.

         SECTION 7. Waiver of Defenses.  Principal  hereby waives and agrees not
to assert or take advantage of any defense based upon:

                  (a) the incapacity,  lack of authority, death or disability of
         Borrower or any other Person;



                                       -4-

<PAGE>



                  (b) the  failure  of Lender  to  commence  an  action  against
         Borrower or to proceed  against or exhaust any security  held by Lender
         at any time or to pursue any other remedy whatsoever at any time;

                  (c) any duty on the part of Lender to  disclose  to  Principal
         any facts it may now or hereafter know regarding Borrower regardless of
         whether  Lender has reason to  believe  that any such facts  materially
         increase the risk beyond that which Principal  intends to assume or has
         reason to believe that such facts are unknown to  Principal,  Principal
         acknowledging  that it is  fully  responsible  for  being  and  keeping
         informed of the financial condition and affairs of Borrower;

                  (d) lack of notice of default, demand of performance or notice
         of  acceleration  to Borrower or any other  Person with  respect to the
         Loan or the Retained Liabilities;

                  (e) the consideration for this Agreement;

                  (f) any acts or omissions  of Lender  which vary,  increase or
         decrease the risk on Principal;

                  (g) any statute of  limitations  affecting  the  liability  of
         Principal  hereunder,  the liability of Borrower or any guarantor under
         the Loan Documents,  or the enforcement hereof, to the extent permitted
         by law;

                  (h) the  application  by Borrower of the  proceeds of the Loan
         for purposes other than the purposes  represented by Borrower to Lender
         or intended or understood by Lender or Principal;

                  (i) an election of remedies by Lender,  including any election
         to  proceed   against  any   collateral  by  judicial  or   nonjudicial
         foreclosure,  whether real property or personal property, or by deed in
         lieu thereof,  and whether or not every aspect of any foreclosure  sale
         is  commercially  reasonable,  and whether or not any such  election of
         remedies  destroys  or  otherwise  impairs  the  subrogation  rights of
         Principal or the rights of Principal to proceed against Borrower or any
         guarantor for reimbursement, or both;

                  (j) any  statute  or  rule  of law  which  provides  that  the
         obligation  of a surety  must be  neither  larger in amount  nor in any
         other aspects more burdensome than that of Borrower;

                  (k) Lender's election,  in any proceeding instituted under the
         United  States  Bankruptcy  Code,  of the  application  of Section 1111
         (b)(2) of the United States  Bankruptcy Code or any successor  statute;
         and/or

                  (l) any  borrowing or any grant of a security  interest  under
         Section 364 of the United States Bankruptcy Code.



                                       -5-

<PAGE>



         SECTION 8.  Enforcement.  Lender  shall have the right to enforce  this
Agreement in separate actions against Principal.

         SECTION  9.  Entire  Agreement.  This  Agreement  contains  the  entire
understanding  of Principal and Lender with respect to the subject matter hereof
and may not be  amended  except in a writing  signed by  Principal  and  Lender.
Should any one or more  provisions of this Agreement be determined to be illegal
or  unenforceable,  all other  provisions  hereof shall remain in full force and
effect.

         SECTION  10.  Binding  Effect.   Principal   further  agrees  that  the
provisions  of this  Agreement  shall  bind  Principal  and its  successors  and
assigns,  and shall  inure to the  benefit  of  Lender  and its  successors  and
assigns.

         SECTION  11.  Survival.   Notwithstanding   anything  to  the  contrary
contained in this Agreement or in any other Loan Document,  this Agreement shall
continue  in full  force and  effect  until  full  indefeasible  payment  of the
Obligations  with  respect to any Retained  Liabilities  arising from any of the
matters covered by this Agreement.

         SECTION 12.  Governing  Law. The place of  negotiation,  execution  and
delivery of this  Agreement is the State of New York.  This  Agreement  shall be
governed by and construed and enforced in accordance  with the laws of the State
of New York.  It is the intent of the  parties  hereto  that the  provisions  of
Section 5-1401 of the General  Obligations Law of the State of New York apply to
this Agreement.

         SECTION 13.  Jurisdiction,  Venue, Service of Process. ANY LEGAL ACTION
OR PROCEEDING  WITH RESPECT TO THIS AGREEMENT,  THE MORTGAGE,  OR ANY OTHER LOAN
DOCUMENT SHALL BE BROUGHT, AT LENDER'S OPTION, IN THE COURTS OF THE STATE OF NEW
YORK,  NEW YORK COUNTY OR OF THE UNITED  STATES OF AMERICA  FOR THE  DISTRICT IN
WHICH THE  PREMISES  ARE  LOCATED.  PRINCIPAL  HEREBY  ACCEPTS FOR ITSELF AND IN
RESPECT  OF ITS  PROPERTY,  GENERALLY  AND  UNCONDITIONALLY,  THE  NON-EXCLUSIVE
JURISDICTION  OF THE AFORESAID  COURTS.  PRINCIPAL  IRREVOCABLY  CONSENTS TO THE
SERVICE OF PROCESS OUT OF ANY OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR
PROCEEDING BY THE MAILING OF COPIES  THEREOF BY  REGISTERED  OR CERTIFIED  MAIL,
POSTAGE PREPAID,  TO IT AT ITS RESPECTIVE ADDRESS AS SET FORTH ABOVE.  PRINCIPAL
HEREBY  IRREVOCABLY  WAIVES ANY OBJECTION  WHICH IT MAY NOW OR HEREAFTER HAVE TO
THE LAYING OF VENUE OF ANY OF THE AFORESAID  ACTIONS OR PROCEEDINGS  ARISING OUT
OF OR IN  CONNECTION  WITH THIS  AGREEMENT,  THE  MORTGAGE,  OR ANY  OTHER  LOAN
DOCUMENT BROUGHT IN THE COURTS REFERRED TO ABOVE AND HEREBY FURTHER  IRREVOCABLY
WAIVES AND  AGREES NOT TO PLEAD OR CLAIM IN ANY SUCH COURT THAT ANY SUCH  ACTION
OR  PROCEEDING  BROUGHT  IN ANY SUCH COURT HAS BEEN  BROUGHT IN AN  INCONVENIENT
FORUM. NOTHING CONTAINED



                                       -6-

<PAGE>



HEREIN  SHALL  AFFECT THE RIGHT OF LENDER TO SERVE  PROCESS IN ANY OTHER  MANNER
PERMITTED BY LAW OR TO COMMENCE LEGAL  PROCEEDINGS OR OTHERWISE  PROCEED AGAINST
PRINCIPAL IN ANY OTHER JURISDICTION.

         SECTION 14.  Appointment  of Agent for  Service of  Process.  Principal
hereby  designates  Bradley  Kaufman,   Esq.   ("Designee")  as  its  agent  and
attorney-in-fact  to accept  service  of  process  in any  action or  proceeding
arising under or in connection with this Agreement,  the Mortgage, and the other
Loan  Documents.  The foregoing  designation is irrevocable  and coupled with an
interest.  If Designee is not available,  process may be served upon Designee by
United States registered or certified mail, which service will be effective upon
five (5) days after mailing, to the address of Designee set forth below:

         c/o Battle Fowler LLP
         75 East 55th Street
         New York, New York 10022

         SECTION  15.  Waiver  Of  Jury  Trial.   PRINCIPAL  AND  LENDER  HEREBY
KNOWINGLY,  VOLUNTARILY AND INTENTIONALLY WAIVE ANY AND ALL RIGHTS THEY MAY HAVE
TO A TRIAL BY JURY IN RESPECT  OF ANY  LITIGATION  BASED ON, OR ARISING  OUT OF,
UNDER, OR IN CONNECTION WITH, THIS AGREEMENT,  THE MORTGAGE, THE CASH MANAGEMENT
AGREEMENT  OR ANY OTHER  LOAN  DOCUMENT,  OR ANY  COURSE OF  CONDUCT,  COURSE OF
DEALING,  STATEMENTS  (WHETHER  VERBAL OR  WRITTEN),  OR ACTIONS OF PRINCIPAL OR
LENDER RELATING TO THE LOAN, AND THE LENDING  RELATIONSHIP  WHICH IS THE SUBJECT
OF THE LOAN  AGREEMENT.  THIS  PROVISION  IS A  MATERIAL  INDUCEMENT  FOR LENDER
ENTERING INTO THIS AGREEMENT.

         SECTION 16. Notices.  Any notice,  report,  demand or other  instrument
authorized or required to be given or furnished  hereunder  ("Notices") shall be
in writing and shall be given as follows: (i) by hand delivery;  (ii) by deposit
in the  United  States  mail as  first  class  certified  mail,  return  receipt
requested,  postage  paid;  (iii) by  overnight  nationwide  commercial  courier
service;  or  (iv)  by  telecopy  transmission  with a  confirmation  copy to be
delivered  by  duplicate  Notice in  accordance  with any of clause (i) or (iii)
above,  in each  case,  to the party  intended  to  receive  such  Notice at the
following address(es):

         Lender:  Credit Suisse First Boston Mortgage
                           Capital LLC
                           Principal Transactions
                           11 Madison Avenue
                           New York, New York   10010
                           Attention:  Edmund Taylor
                           Re: 810 Seventh Avenue/Marc Warren
                           Telecopier:    (212) 325-8162


                                       -7-

<PAGE>



with a copy to:   Credit Suisse First Boston Mortgage
                           Capital LLC
                           Legal & Compliance Department
                           11 Madison Avenue
                           New York, New York  10010
                           Attention:  Colleen Graham, Esq.
                           Re:  810 Seventh Avenue/Marc Warren
                           Telecopier:      (212)325-8220

         and:              Pacific Life Insurance Company
                           700 Newport Center Drive
                           Newport, California  92660
                           Attention:  Wendy Balden
                           Telecopier:  (714) 760-4356
                           or any successor servicer of the loan

         and:              Brown Raysman Millstein Felder & Steiner LLP
                           120 West 45th Street
                           New York, New York  10036
                           Attention:  Jeffrey B. Steiner, Esq.
                           Telecopier:  (212) 840-2429

         Principal:        Tower Realty Operating Partnership, L.P.
                           c/o Tower Realty Trust Inc.
                           292 Madison Avenue, 3rd floor
                           New York, New York  10017
                           Attention:  Lawrence Feldman
                           Telecopier:  (212) 448-1865

with a copy to:          Battle Fowler LLP
                           75 East 55th Street
                           New York, New York  10022
                           Attention:  Bradley Kaufman, Esq.
                           Telecopier:  (212) 856-7802

         Any party may  change  the  address  to which any such  Notice is to be
delivered by furnishing ten (10) days written notice of such change to the other
parties in accordance  with the  provisions of this Section 16. Notices shall be
deemed to have  been  given on the date they are  actually  received;  provided,
however,  that the inability to deliver  Notices because of a changed address of
which no Notice was given,  or rejection or refusal to accept any Notice offered
for delivery, shall be deemed to be receipt of the Notice as of the date of such
inability to deliver or rejection or refusal to accept delivery.  Notice for any
party may be given by its respective counsel.  Additionally,  Notice from Lender
may also be given by the Servicer.

                                       -8-

<PAGE>



         IN WITNESS  WHEREOF,  the Principal has executed this  Agreement or has
caused the same to be executed by its duly authorized  representatives as of the
date first set forth above.


                                             TOWER REALTY OPERATING
                                             PARTNERSHIP, L.P.,
                                             a Delaware limited partnership

                                             By:  Tower Realty Trust, Inc., its
                                                  General Partner

                                                  By: /s/ Lawrence Feldman
                                                     -----------------------
                                                     Name:  Lawrence Feldman
                                                     Title: President



                                     -9-

<PAGE>



STATE OF NEW YORK      )
                       )  ss.:
COUNTY OF NEW YORK     )



                  On the 31st day of December,  1997,  before me personally came
Lawrence Feldman to me known, and who, being duly sworn, did depose and say that
he resides at 292 Madison Avenue,  3rd Floor, New York, New York; that he is the
President  of Tower Realty  Trust,  Inc.,  a Maryland  corporation,  the General
Partner  of  Tower  Realty  Operating  Partnership,  L.P.,  a New  York  limited
partnership,  the  limited  partnership  described  in and  which  executed  the
foregoing instrument;  and that he signed his name thereto by order of the Board
of Directors of Tower Realty Trust,  Inc. as the General  Partner of, and as the
act and deed of  Tower  Realty  Operating  Partnership,  L.P.,  for the uses and
purposes therein mentioned.



                                                /s/ Jason R. Goldstein
                                                ----------------------
                                                     Notary Public
                                                 [Notary Public Stamp]


                                      -10-

<PAGE>



                                   SCHEDULE A

LOT 38:

ALL that certain plot, piece or parcel of land, situate,  lying and being in the
Borough of Manhattan,  County, City and State of New York, bounded and described
as follows:

BEGINNING  at a point on the  northerly  side of West 52nd Street  opposite  the
center of a certain party wall standing partly on the premises and partly on the
premises adjoining on the easterly side thereof,  which point is distant 74 feet
4 inches westerly from the northwesterly  corner of Seventh Avenue and West 52nd
Street; and

RUNNING THENCE  northerly  parallel with the westerly side of Seventh Avenue and
for part of the  distance  through  the  center of said  party  wall,  75 feet 5
inches;

THENCE  easterly and parallel with the said  northerly side of West 52nd Street,
74 feet 3-3/4 inches to the westerly side of Seventh Avenue;

THENCE  northerly  along the said  westerly side of Seventh  Avenue,  125 feet 5
inches to the corner  formed by the  intersection  of the said  westerly side of
Seventh Avenue and the southerly side of West 53rd Street;

THENCE  westerly  along the said  southerly  side of West 53rd Street,  195 feet
2-3/8 inches to the  intersection of the said southerly side of West 53rd Street
and the easterly side of Broadway;

THENCE southerly along the said easterly side of Broadway, 126 feet 1-1/2 inches
more or less, to a point in a line  parallel to the northerly  side of West 52nd
Street, 75 feet 5 inches northerly  therefrom measured on a line at right angles
to the northerly side of West 52nd Street;

THENCE  easterly  parallel with the said northerly side of West 52nd Street,  69
feet I I inches;

THENCE southerly at right angles to the said northerly side of West 52nd Street,
75 feet 5 inches to the said northerly side of West 52nd Street; and

THENCE  easterly along the said  northerly  side of West 52nd Street,  37 feet 7
inches to the point or place of BEGINNING.



                                      -11-

<PAGE>



                             SCHEDULE A - continued

AIR RIGHTS LOT 29 LEASE:

The Air  Rights Lot 29 Lease  covers  premises  more  particularly  bounded  and
described as follows:

ALL that certain lot, piece or parcel of land,  situate,  lying and being in the
Borough of Manhattan,  City,  County and State of New York bounded and described
as follows:

BEGINNING at a point formed by the  intersection  of the northerly  side of West
52nd Street with the westerly side of Seventh Avenue, and

RUNNING THENCE  westwardly along the northerly side of West 52nd Street, 74 feet
4 inches to a point opposite the center line of a 16 inch party wall;

THENCE northwardly parallel with Seventh Avenue and part of the distance through
the center of said party wall, 75 feet 5 inches.

THENCE  eastwardly  parallel  with  West  52nd  Street,  74 feet 4 inches to the
westerly side of Seventh Avenue; and

THENCE  southwardly  along the westerly side of Seventh Avenue, 75 feet 5 inches
to the point or place of BEGINNING.



                                      -12-

<PAGE>


                             SCHEDULE A - continued

AIR RIGHTS LOT 131 LEASE:

The Air Rights Lot 131 Lease  covers  premises  more  particularly  bounded  and
described as follows:

ALL that certain lot, piece or parcel of land,  situate,  lying and being in the
Borough of Manhattan,  City, County and State of New York, bounded and described
as follows:

BEGINNING at the corner formed by the intersection of the northerly side of 52nd
Street with the easterly side of Broadway as now laid down;

RUNNING  THENCE  easterly  along the northerly  side of 52nd Street,  61 feet 10
inches to the  center  line of the  westerly  wall of  building  erected  in the
premises adjoining on the east of the premises hereby described;

RUNNING THENCE  northerly  parallel with the westerly side of Seventh Avenue and
along  said  line of said  wall and a line in  prolongation  thereof,  75 feet 5
inches;

RUNNING THENCE westerly parallel with the northerly side of 52nd Street, 69 feet
11 inches to the said easterly side of Broadway; and

RUNNING THENCE southerly along the easterly side of Broadway,  75 feet 11 inches
to the point or place of BEGINNING.

BE said several distances and dimensions more or less.



                                      -13-


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