Document:

Exhibit 10.13

                      PROMOTIONAL SHARES LOCK-IN AGREEMENT

This Promotional Shares Lock-In Agreement ("Agreement") was entered into January
31, 2003, between Quest Group International, Inc. (the "Company"), a Nevada
corporation, and party listed on the signature page hereto (the "Security
Holder"). Together, the Company and Security Holder are referred to as
"Signatories" in this Agreement.

The Company has applied to register its Equity Securities with the Securities
Administrator of the State of Utah (the "Administrator"), and if applicable,
with the Securities Administrators of other states. The Administrator believes
the Security Holder is a Promoter of the Company and owns the following Equity
Securities issued by the Company that are Promotional Shares as defined in the
Statement of Policy Regarding Corporate Securities Definitions (the "Definitions
SOP") adopted by the North American Securities Administrators Association, Inc.
("NASAA") on April 27, 1997 and amended September 28, 1999. The Security Holder
owns 2,000,000 shares of common stock (the "Promotional Shares").

Other capitalized terms in this Agreement that are not defined within the
Agreement have the meanings specified in the Definitions SOP.

As a condition to Registering the Company's Equity Securities, the Signatories
agree as follows:

Promotional Shares are Restricted Securities
1.   The Security Holder agrees not to sell, pledge, hypothecate, assign, grant
     any option for the sale of, or otherwise transfer or dispose of, whether or
     not for consideration, directly or indirectly, the Promotional Shares and
     all certificates representing stock dividends, stock splits,
     recapitalizations, and the like, that are granted to, or received by the
     Security Holder during the term of this Agreement (the "Restricted
     Securities"), except as allowed by this Agreement.

Exercise or Conversion of Restricted Securities
2.   If the Restricted Securities under this Agreement have exercise or
     conversion rights, the Security Holder may execute the rights, but the
     exercised or converted Equity Securities will also be Restricted Securities
     and subject to Lock-In during the term of this Agreement.

Term
3.   This Agreement became effective on the date the Agreement was entered into
     as indicated above and will terminate when the release conditions of
     paragraph 4 are satisfied.

Release of Restricted Securities

4.   a.   Subject to the documentation requirements in paragraph 5 below, the
          Restricted Securities may be released from Lock-In provisions of this
          Agreement in the following manner:

          (1)  Beginning two years after the completion date of the registered
               offering, two and one-half percent (2 1/2%) of the Restricted
               Securities may be released at the beginning of each quarter pro
               rata among all Security Holders subject to Lock-In Agreements.
               All remaining Restricted Securities will be released on the
               fourth anniversary of the completion date of the registered
               offering; or

          (2)  One hundred percent (100%) of the Restricted Securities will be
               released if:

               (A)  The registered offering has been terminated, and no
                    securities were sold; or

               (B)  The registered offering has been terminated, and all of the
                    gross proceeds that were received have been returned to
                    investors; or

               (C)  The Equity Securities did not qualify to be registered by
                    the Administrator; or

               (D)  Upon approval by the Administrator.

<PAGE>

     b.   If the Company enters into any merger, reorganization, liquidation,
          dissolution or other transaction or proceeding with a person who is
          not a Promoter that results in the distribution of the Company's
          assets or securities ("Distribution") while this Agreement remains in
          effect, the Security Holder agrees that:

          (1)  All holders of the Company's Equity Securities will initially
               share on a pro rata, per share basis in the Distribution, in
               proportion to the amount of cash or other consideration that they
               paid per share for their Equity Securities (provided that the
               Administrator has accepted the value of the other consideration),
               until the shareholders who purchased the Company's Equity
               Securities in the registered offering have received, or have had
               irrevocably set aside for them, an amount that is equal to one
               hundred percent (100%) of the offering price per share times the
               number of shares of Equity Securities that they purchased in the
               registered offering and which they still hold at the time of the
               Distribution, adjusted for stock splits, stock dividends
               recapitalizations and the like;

          (2)  After a Distribution, all holders of the Company's Equity
               Securities will participate on an equal, per share basis times
               the number of shares of Equity Securities they held at the time
               of the Distribution, adjusted for stock splits, stock dividends,
               recapitalizations and the like; and

          (3)  A Distribution may proceed on lesser terms and conditions than
               the terms and conditions stated in paragraphs 4.b(1) and (2)
               above if a majority of the Equity Securities that are not held by
               Promoters, or their Associates or Affiliates, vote, or consent by
               consent procedure to approve the lesser terms and conditions at a
               special meeting called for that specific purpose.

     c.   If the Company enters into any merger, reorganization, liquidation,
          dissolution or other transaction or proceeding with a Promoter that
          results in a Distribution while this Agreement remains in effect, the
          Security Holder's Restricted Securities will remain subject to the
          terms of this Agreement.

     d.   If the Restricted Securities under this Agreement become "Covered
          Securities," as defined in Section 18(b)(1) of the Securities Act of
          1933, the Restricted Securities will be released.

Documentation Regarding the Release of Restricted Securities
5.   Except as otherwise described in this paragraph, the following will be
     required as evidence of compliance with the conditions for release of
     Restricted Securities from this Lock-In Agreement under paragraph 4 above:

     a.   A written notice to the Administrator with a copy of this Agreement to
          advise that the release conditions have been satisfied;

     b.   Appropriate supporting documents that demonstrate compliance with
          paragraph 4 above will be maintained for a period of three (3) years
          after termination of the Agreement and will be sent to the
          Administrator promptly upon request; and

     c.   If the Administrator does not request additional documents or object
          to the release of Restricted Securities within ten (10) business days
          after the notice specified above has been filed, this Agreement will
          terminate and the Restricted Securities will be released.

Notwithstanding the foregoing, no notice shall be required with respect to the
release of Restricted Securities pursuant to paragraph 4.a.(1).

<PAGE>

Exceptions from Restrictions
6.   The following types of transfer, hypothecation or disposition of Restricted
     Securities are allowable under this Agreement:

     a.   Restricted Securities may be transferred by will, the laws of descent
          and distribution, the operation of law, or by order of any court of
          competent jurisdiction and proper venue.

     b.   The Restricted Securities of a deceased Security Holder may be
          hypothecated to pay the expenses of the deceased Security Holder's
          estate, provided that the hypothecated Restricted Securities will
          remain subject to the terms of this Agreement. Restricted Securities
          may not be pledged to secure any other debt.

     c.   Restricted Securities may be transferred by gift to the Security
          Holder's family members or by private sale, provided that the
          Restricted Securities will remain subject to the terms of this
          Agreement.

Voting Rights
7.   With the exception of paragraph 4.b above, the Security Holder will have
     the same voting rights as holders of Equity Securities that are not
     Restricted Securities.

Restrictive Legends on Stock Certificates
8.   a.   A notice will be placed on the face of each stock certificate of the
          Restricted Securities covered by the terms of this Agreement stating
          that the transfer of the stock evidenced by the certificate is
          restricted in accordance with the conditions set forth on the reverse
          side of the certificate; and

     b.   A typed legend will be placed on the reverse side of each stock
          certificate of the Restricted Securities covered by this Agreement
          which states that: the sale or transfer of the shares evidenced by the
          certificate is subject to certain restrictions pursuant to an
          agreement between the Security Holder (whether beneficial or of
          record) and the Company; the agreement is on file with the Company and
          the stock transfer agent; and a copy of the agreement is available
          upon request without charge.

Modifications of Agreement
9.   This Agreement may be modified only with the written approval of the
     Administrator.

Other Requirements of the Company
10.  The Company will:

     a.   File an executed copy of this Agreement with the Administrator before
          the effective date of the registered offering;

     b.   Provide copies of this Agreement and a statement of the initial public
          offering price to the Company's stock transfer agent;

     c.   Place appropriate stock transfer orders with the Company's stock
          transfer agent against the sale or transfer of the shares covered by
          this Agreement, except as otherwise provided in this Agreement;

     d.   Place the stock restriction legends described above on the periodic
          statement sent to the registered owner if the securities subject to
          this Agreement are uncertificated securities.

<PAGE>

The Signatories have entered into this Agreement, which may be written in
multiple counterparts and each of which will be considered an original, and have
signed the Agreement in the capacities, and on the dates, indicated below.

                                                             Date
Quest for the Gift of Life Foundation                   January 31, 2003

By /s/ Jenine Barham, Trustee                           January 31, 2003
   -------------------------------------
     (Signature)

Company

By  /s/ Craig A. Davis                                  January 31, 2003
   -------------------------------------
   President

By /s/ Teresa Fackrell                                  January 31, 2003
   -------------------------------------
   SecretaryEXHIBIT 10.1  

AGREEMENT OF SALE AND PURCHASE

NORTH UNION STREET WAREHOUSE (SEARS)  

        THIS AGREEMENT is made as of the 25th day of October, 2002 by and between MARK G. CALDWELL and MARTIN L. GRASS, trading as DOUBLE M DEVELOPMENT COMPANY, a
Partnership, having an address at 434 North Front Street, Wormleysburg, Pennsylvania 17403 ("Seller") and KEYSTONE OPERATING PARTNERSHIP, L.P., a Delaware Limited Partnership, having an address at 200
Four Falls Corporate Center, Suite 208, West Conshohocken, PA 19428 ("Buyer"). 

W I T N E S S E T H:  

        1.    Agreement to Sell and Purchase.    Seller agrees to sell to Buyer, and Buyer agrees to purchase from Seller,
subject to the terms and conditions of this Agreement, certain property consisting of the following: 

        (a)    Real Property.    All that certain tract of land, containing 32.82 acres, being #2, Preliminary/Final
Subdivision Plan for Double M Development dated July 14, 1995, last revised September 13, 1995, recorded in the Office of the Recorder of Deeds of Dauphin County in Plan Book C, Volume
6, page 89, situate in the Township of Lower Swatara, Dauphin County, Commonwealth of Pennsylvania (the "Land"); together with all improvements on the Land, including, without limitation, the building
located on the Land containing 507,000 square feet; together with all appurtenances thereto (including, without limitation, all easements, rights-of-way, and other rights and
benefits belonging to, running with the owner of, or relating to the Land); and together with all rights, title and interest of Seller in and to all land lying in the bed of any street, opened or
proposed, abutting the Land and all right, title and interest of Seller in an to any unpaid award for the taking by eminent domain of any part of the Land or for damages to the Land by reason of a
change of grade of any street (all of the property, rights and privileges described in this Section 1(a) herein being collectively called the "Real Property"). 

        (b)    Personal Property.    All fixtures, equipment and other personal property attached or appurtenant to the Real
Property; all furniture, supplies, and other unattached items of personal property located in or on,
or used in connection with, the Real Property which are owned by Seller; and all intangible personal property used in the ownership, operation or maintenance of the Real Property, which is owned by
Seller (all of the foregoing items of property being herein collectively called "Personal Property"). 

        (c)    Property.    The Real Property and the Personal Property are sometimes herein collectively called "Property". 

        2.    Purchase Price.    The purchase price (the "Purchase Price") for the Property, subject to adjustments as
provided in this Agreement, shall be Twenty Million Dollars ($20,000,000), and shall be paid as follows: 

        (a)    One
Hundred Thousand Dollars ($100,000) (such sum, plus all interest which accrues thereon, being herein called "the Deposit") shall be paid by Buyer to Fidelity
National Title Insurance Company ("Title Company") on the third business day to occur after the last day of the Inspection Period (as defined in Section 14 below). The Deposit shall be held by
the Title Company in one or more federally-insured money market accounts acceptable to both Seller and Buyer, or in short-term United States Government obligations having a maturity date
which is not later than the Closing Date (as defined below). 

        (b)    (i) Buyer
(or Buyer's permitted assignee) shall accept title to the Real Property at Closing encumbered by the lien of the Mortgage dated September 4,
1997 in the original principal sum of Thirteen Million Three Hundred Thousand Dollars ($13,300,000) recorded in the Office of the Recorder of Deeds in and for Dauphin County in Record Book 2926, at
Page 583 (the 

"Existing Mortgage"). The Deed (as defined in Section 6 below) shall set forth the provisions of this Section 2(b)(i) in form reasonably satisfactory to counsel for Buyer. 

        (ii)    Buyer
shall receive a credit against the Purchase Price at Closing in an amount equal to the then-current unpaid principal balance of the Existing Note and
Existing Mortgage. 

        (c)    The
balance of the Purchase Price shall be paid at Closing by wire transfer of immediately available funds. 

        3.    Disposition of Deposit; Defaults.    

        (a)    The
Deposit shall be held in escrow and disbursed by the Title Company in accordance with the terms of this Agreement. Seller and Buyer each agrees, upon request, to
execute the Title Company's customary form of escrow agreement with respect to the Deposit. 

        (b)    If
Buyer, without the right to do so and in default of its obligations under this Agreement fails to complete Closing, Seller shall have the right to be paid the Deposit
as liquidated damages and not as a penalty. Buyer and Seller acknowledge that the damages which may be incurred by Seller in the event of Buyer's default are difficult to quantify as of the date of
this Agreement; the Deposit represents the parties' reasonable estimate of Seller's probable future damages in the event of Buyer's default; and that the Deposit represents fair and reasonable
compensation to Seller in the event of Buyer's default. The right of Seller to be paid the Deposit shall be Seller's exclusive and sole remedy, and Seller waives any right to recover the balance of
the Purchase Price, or any part thereof, and the right to pursue any other remedy permitted by law or in equity against Buyer. 

        (c)    If
Closing is completed hereunder, the Title Company shall pay the Deposit to Seller on account of the Purchase Price. 

        (d)    If
Seller, without the right to do so and in the default of its obligations under this Agreement fails to complete Closing, or otherwise defaults under or breaches this
Agreement, Buyer shall have the right, at Buyer's sole election, either (A) to be returned the Deposit plus Buyer's reimbursable costs as hereinafter defined, up to a maximum amount of
$25,000.00 as liquidated damages for Seller's breach, or (B) to specific performance and injunctive relief without monetary damages against Seller. Reimbursable expenses are defined to include
the cost of all charges incurred by Buyer for securing title, the cost of any plans, surveys and environmental studies ordered by Buyer, all loan commitment fees paid by Buyer and all the fees, costs
and expenses reasonably incurred by Buyer in connection with the property and Buyer's intended acquisition thereof. 

        4.    Closing.    The closing of this transaction ("Closing") shall take place at the offices of Wolf, Block, Schorr
and Solis-Cohen LLP, 1650 Arch Street, 22nd Floor, Philadelphia, Pennsylvania 19103. Closing shall commence at 10:00 a.m. on January 3, 2003 ("Closing Date"). 

        5.    Condition of Title.    

        (a)    Title
to the Property shall be good and marketable and free and clear of all liens, restrictions, easements, encumbrances, leases, tenancies and other title objections,
except for the Permitted Encumbrances (as defined below), the Existing Mortgage, and the Tenant Lease (as defined below), and shall be insurable as such and as provided in this Agreement at ordinary
rates by the Title Company pursuant to an ALTA Owner's Policy of Title Insurance, 1970 Form B, amended October 17, 1970 and October 17, 1984 (the "Owner's Policy of Title
Insurance"). The premium (at ordinary rates) for the Owner's Policy of Title Insurance will be paid by Buyer. 

        (b)    If
Seller is unable to convey title to the Property to Buyer at Closing in accordance with the requirements of Section 5(a), Buyer shall have the right
(i) of taking such title as Seller is able to convey with abatement of the Purchase Price in the amount (fixed or ascertainable) of any Monetary Liens (as defined below) on the Property, or
(ii) of terminating this Agreement. 

        (c)    Promptly
after the execution of this Agreement, Buyer shall order from the Title Company a Commitment for Title Insurance ("Title Commitment") with respect to the Real
Property. Prior to the expiration of the Inspection Period, Buyer shall give to Seller Notice ("Exception Notice") of any 

exceptions to title set forth in the Title Commitment which are not acceptable to Buyer ("Unacceptable Exceptions"). Seller shall, within ten business (10) days from the date of Seller's
receipt of the Exception Notice, deliver to Buyer an endorsement to the Title Commitment issued by the Title Company stating which, if any, of the Unacceptable Exceptions the Title Company has or will
commit to remove from the Title Commitment; and if the Title Company has not issued an endorsement to the Title Commitment removing (or committing to remove) all of the Unacceptable Exceptions from
the Title Commitment within ten (10) business days from the date of Seller's receipt of the Exception Notice, Buyer shall have the right to terminate this Agreement. If Buyer does not terminate
this Agreement pursuant to the provisions of this Section 5(c), then the exceptions remaining on Schedule B, Section 2 of the Title Commitment which are not liens securing payment
of monetary sums ("Monetary Liens") shall be the "Permitted Encumbrances". Seller agrees to pay all Monetary Liens and cause all Monetary Liens to be released and satisfied of record prior to the
completion of Closing. 

        6.    Possession.    Possession of the Property shall be given to Buyer at Closing, subject only to the rights of
occupancy of the Tenant (as defined below) under the Tenant Lease by delivery of Seller's special warranty deed (the "Deed") and bill of sale (the "Bill of Sale"), duly executed and acknowledged by
Seller and in proper form for recording. If Buyer causes a survey of the Real Property to be made, then at Buyer's option the descriptions of the Real Property contained in the Deed shall be based
upon the survey. 

        7.    Apportionments; Transfer Taxes; Security Deposits.    

        (a)    (i)
Real estate taxes on the Real Property; personal property taxes (if any) on the Personal Property; minimum water and sewer rentals; base, minimum and/or fixed
rental, additional rental and other sums paid by the Tenant to the Seller prior to Closing under the Tenant Lease; payments due under the Service Agreements (as defined below) which are to be assigned
to Buyer, if any, shall be apportioned pro rata between Seller and Buyer on a per diem basis as of the Closing Date; provided, however, that there shall be no apportionment between Buyer and Seller at
Closing with respect to utility charges paid by the Tenant directly to utility companies pursuant to the Tenant Lease. 

        (ii)    If
the Closing Date is not the first day of a calendar month and if as of the Closing Date and the Tenant has not paid the monthly installment of base, minimum and/or
fixed rental ("Delinquent
Installment") due under its Tenant Lease with respect to the month in which Closing occurs, then at Closing Buyer shall receive a credit against the Purchase Price in an amount equal to the portion of
the Delinquent Installment applicable to the period of time from and after the Closing Date and through the balance of the applicable month; and upon Buyer's receipt of the Delinquent Installment from
such Tenant, Buyer shall pay the full amount thereof to Seller. For the purpose of this subparagraph, "Delinquent Installment" shall mean only one that has not been paid by the Tenant within the
applicable grace period, if any, in its Tenant Lease. 

        (b)    At
Closing, each of Buyer and Seller shall pay one-half (1/2) of all realty transfer taxes imposed by the Commonwealth of Pennsylvania and all
other governmental authorities upon the Deed and the conveyance of the Real Property from Seller to Buyer. 

        (c)    At
Closing, Seller shall deliver to Buyer a certified check in the amount of all Security Deposits paid under the Tenant Lease, and all interest which has (or was
required to) accrued thereon. 

        (d)    Buyer
shall pay to Seller at Closing, the amount, if any, assigned to Buyer by Seller which is held by the holder of the Existing Mortgage on account of real estate
taxes and prepaid insurance premiums. 

        (e)    The
interest portion of the monthly payment to be made to the holder of the Existing Note on the Closing Date, if Closing occurs on the first day of a calendar month, or
to be made on the first day of the first calendar after the Closing Date, if Closing does not occur on the first day of the month, shall be apportioned on a per diem basis for the monthly period
preceding such payment, and Buyer shall be given a credit at Closing against the Purchase Price for the portion of such interest payment attributable to the period occurring as of and prior to the
Closing Date. 

        8.    Representations and Warranties of Seller.    Seller makes the following representations and warranties to Buyer,
which representations and warranties are true and correct as of the date of this Agreement, and shall be true and correct at and as of the Closing Date in all respects as though such representations
and warranties were made both at and as of the date of this Agreement, and at and as of the Closing Date: 

        (a)    The
only lease or other agreement (herein called the "Tenant Lease"; and the tenant under the Tenant Lease is herein called "Tenant") with respect to rights of use and
occupancy of the Property in effect is as set forth on the Chart attached hereto as Schedule 1. 

        (b)    The
Tenant Lease is valid and existing and in full force and effect; the Tenant is in actual possession of the Property; neither the Tenant nor the Seller is in default
of its respective obligations under the Tenant Lease; and the Tenant previously exercised its option to renew the term of the Tenant Lease for a renewal term ("Current Renewal Term") to end on
December 31, 2006. 

        (c)    The
copy of the Tenant Lease previously delivered by Seller to Buyer is a true and complete copy of the Tenant Lease; the Tenant Lease has not been amended, modified, or
supplemented; and the Tenant does not have any right to extend or renew the terms of the Tenant Lease except as expressly set forth in the Tenant Lease. 

        (d)    The
Tenant has not asserted any claim which could adversely affect the right of the landlord to collect base, minimum or fixed rental or additional rental from the
Tenant; and no notice of default or breach on the part of landlord under the Tenant Lease has been received by Seller from the Tenant which has not been cured. 

        (e)    All
construction, painting, repairs, alterations, improvements and other work required to be performed by the landlord under the Tenant Lease, and all of the other
obligations of the landlord required to be performed under the Tenant Lease as of the Closing Date, have been completed fully performed and paid for in full by Seller. 

        (f)    The
term of the Tenant Lease commenced and will end on the date specified in the Chart attached hereto as Schedule 1. 

        (g)    The
rents and other payments set forth in the Tenant Lease are the actual rents, income and charges presently being collected by Seller under the Tenant Lease; all
minimum rent payable under the Tenant Lease is payable monthly in advance and is not limited by rent control laws, ordinances, or regulations, or by virtue of existing agreements or regulations. 

        (h)    Except
as set forth in the Tenant Lease, the Tenant is not entitled to any concession, allowance, rebate or refund. 

        (i)    The
Tenant has not prepaid any base rental, minimum rental, fixed rental or additional rental or other charges for more than the current month under its Tenant Lease. 

        (j)    Neither
the Tenant Lease nor the rental or other amounts payable under the Tenant Lease have been assigned, pledged or encumbered other than to the holder of the
Existing Mortgage as collateral security; and the Tenant Lease may be assigned by Seller to Buyer at Closing. 

        (k)    No
security deposit has been paid by the Tenant under the Tenant Lease, except as set forth on the Chart attached hereto as Schedule 1. 

        (l)    The
Chart attached hereto as Schedule 2 sets forth the only brokerage or leasing commissions or other compensation which are or will be due and payable to any
party ("Lease Broker") with respect to or on account of the Tenant Lease or any extensions or renewals thereof or any other actions by the Tenant thereunder; the copies of the agreements between
Seller and each Lease Broker delivered by Seller to Buyer are true and complete and there are no other such agreements; Seller shall fully pay (and shall provide to Buyer at Closing evidence of such
payment) all installments on account of the existing leasing commissions due or payable with respect to any 

rental due or payable in connection with any period prior to the Closing Date and/or otherwise due and payable prior to the Closing Date; and Buyer shall, at Closing, accept the assignment of the
Tenant Lease subject to the obligation to pay all of the existing leasing commissions to the Lease Broker with respect to periods occurring from and after the Closing Date. Pursuant to the preceding
sentence, there shall be an apportionment at Closing of prepaid or accrued leasing commissions. 

        (m)    Except
as expressly set forth in the Tenant Lease, the Tenant does not have any right or option to acquire to the Property or any portion thereof. 

        (n)    Seller
has not received any written notice ("Defect Notice") from any insurance company which has issued a policy with respect to the Property or from any board of fire
underwriters (or other body exercising similar functions) claiming any defects or deficiencies in the Property or suggesting or requesting the performance of any repairs, alterations or other work to
the Property. 

        (o)    There
are no management, service, equipment, supply, security, maintenance, construction, concession or other agreements with respect to or affecting the Property,
except for any agreements under which only the Tenant is bound and except for the agreements, if any, listed on Exhibit B to this Agreement (collectively, the "Service Agreements"); Seller is
not in default under the Service Agreements; the copies of the Service Agreements previously delivered by Seller to Buyer are true and complete copies of such Service Agreements and the same have not
been amended, modified or supplemented; and each of the Service Agreements designated on Exhibit B to be terminated shall be terminated by Seller at or prior to Closing and all sums due
thereunder paid in full by Seller. 

        (p)    No
employee of Seller who performs services at or in connection with the Property is covered by an employment agreement or union contract; no demand has been made upon
Seller for recognition of a union or collective bargaining agent for the employees of Seller at the Property; and none of the employment arrangements with respect to Seller's employees will be binding
upon Buyer or any subsequent owner of the Property after Closing. 

        (q)    There
are no outstanding uncured written notices received by Seller of any violation ("Violation") of any applicable law, ordinance, code, rule, order, regulation or
requirement of any governmental authority with respect to the Property. 

        (r)    Exhibit C
to this Agreement sets forth the only fire and extended coverage insurance policies ("Policy") maintained by Seller with respect to the Property; the
Policy is in full force and effect and all premiums due thereunder has been paid; and neither Seller nor (to Seller's knowledge) the Tenant has received any notice from the insurance companies which
issued the Policy, indicating that the Policy will not be renewed or will be renewed at a higher premium than is presently payable therefor. 

        (s)    There
is no action, suit or proceeding pending or, to the knowledge of Seller, threatened against or affecting Seller or the Property or any portion thereof or the
Tenant Lease or relating to or arising out of the ownership, management or operation of the Property, in any court or before or by any federal, state, county or municipal department, commission,
board, bureau or agency or other governmental instrumentality. 

        (t)    Seller
has not received any notice of any condemnation proceeding or other proceedings in the nature of eminent domain ("Taking") in connection with the Property, and to
Seller's knowledge no Taking has been threatened. 

        (u)    All
of the books, records, information, data and other items supplied by Seller to Buyer are true, complete and correct in all material respects, and fairly and
accurately presented the results of operations of the Property. 

        (v)    To
the best of Seller's actual knowledge, there is no presently existing Violation at the Property of any environmental law or reputation; no contamination is present at
the Property; and no underground storage tanks, asbestos or PCBs are present at the Property. 

        (w)    The
copies of the Existing Mortgage, Existing Note and Existing Loan Documents which have been submitted by Seller to Buyer are true and complete copies thereof, and the
same have not been amended, modified or supplemented; the holder of the Existing Note, the Existing Mortgage and the Existing Loan Documents is The Prudential Insurance Company of America; the
Existing Mortgage, the Existing Note and the Existing Loan Documents are in full force and effect; no default or breach exists under the Existing Note, the Existing Mortgage or the Existing Loan
Documents, and no event or omission has occurred which, with the giving of notice or lapse of time, or both, would constitute a default or breach under the Existing Note, the Existing Mortgage or the
Existing Loan Documents; the
unpaid principal balance of the Existing Note as of September 30, 2002 was Twelve Million Two Hundred Eighty-Seven Thousand Seven Hundred Thirty-Seven Dollars ($12,287,737.00); and the amounts
paid by Seller to the holder of the Existing Note and the Existing Mortgage on account of real estate taxes and insurance premiums will be the full amounts, if any, required to be paid pursuant to the
terms of the Existing Note, the Existing Mortgage and the Existing Loan Documents. 

        9.    Operations Prior to Closing.    Between the date of this Agreement and Closing: 

        (a)    Seller
shall, at its expense: perform all of its obligations under the Tenant Lease; and cure all notices of any Violations and/or Defect Notices issued prior to
Closing. Notwithstanding the foregoing provisions of this Section 9(a), if all such notices of Violation or Defect Notices require the expenditure by Seller of more than $50,000 in the
aggregate, Seller shall have the right to give to Buyer written notice that Seller has elected not to cure such notices; and in such event, Buyer shall have the right, by written notice to Seller, at
Buyer's sole option, to terminate this Agreement. 

        (b)    Seller
shall not enter into any agreement to modify, amend or otherwise alter any of the terms or provisions of the Tenant Lease or any of the Service Agreements; Seller
shall not enter into a new lease ("New Lease") or other agreement with respect to the use or occupancy of the Real Property and/or the maintenance thereof, without prior written approval of Buyer.
Seller agrees to execute any New Lease designated by Buyer which is approved by Seller. Each of Seller and Buyer agrees not unreasonably to untimely withhold or delay its approval of a New Lease. If
Seller shall enter into a New Lease for a portion of the Real Property after the date of this Agreement and prior to the Closing Date pursuant to the request or prior written approval of Buyer, then
Buyer shall, at Closing, reimburse to Seller all hard costs paid by Seller pursuant to a written budget previously approved by Seller and Buyer for capital improvements to the premises demised under
the New Lease; and Buyer shall assume the obligations of the Seller, as landlord under the New Lease, to perform capital improvements to the premises demised under the New Lease required by the terms
of the New Lease. Any New Lease entered into by Seller after the date of this Agreement and prior to the Closing Date pursuant to the request or prior written approval of Buyer shall be included
within the definition of "Tenant Lease." 

        (c)    Seller
shall perform all acts, and shall make all payments, necessary to cause the representations and warranties of Seller in this Agreement to be true and correct. 

        (d)    (i)
Buyer, its attorneys, accountants, architects, engineers and other representatives shall be afforded access to the Property and to all books, records and files
relating thereto from time to time prior to Closing for the purposes of inspections, preparation of plans, taking of measurements, making of surveys, making of appraisals, and generally for the
ascertainment of the condition of the Property, including but not limited to the physical and financial condition of the Property; and there shall be furnished to Buyer all plans and specifications,
engineering reports, feasibility studies, operating statements, governmental permits and approvals, contracts, leases, surveys, title information and other documentation concerning the Property in the
possession of Seller and/or Seller's management agent for the Property. 

        (ii)    Buyer,
its attorneys, accountants and other representatives, shall be permitted to make and are authorized to make any searches of governmental records as they deem
necessary with respect to the Property; and Seller agrees fully to cooperate with Buyer and its attorneys and other representatives in this regard and to issue any consents or authorizations required
therefor. 

        (iii)    Buyer
agrees to indemnify, defend and reimburse Seller for all costs, expenses (including, without limitation, attorney's fees, consultant and expert fees and court
costs) loss and liabilities suffered or incurred by Seller as the result of any injuries to persons or properties caused by Buyer's entry upon the Property prior to Closing pursuant to the provisions
of this Section 9(d) and Section 14. 

        (e)    Promptly
after receipt thereof by Seller, Seller shall deliver to Buyer the following: 

        (f)    (i)
a copy of any notice of default given or received under the Tenant Lease or the Service Agreements; 

        (ii)    a
copy of any tax bill, notice or statement of value, or notice of change in a tax rate affecting or relating to the Property; 

        (iii)    a
copy of any notice of an actual or alleged Violation; 

        (iv)    a
copy of any notice of Taking; and 

        (v)    a
copy of any notice given or received under the Existing Mortgage and/or under the Existing Note and/or under the Existing Loan Documents. 

        (g)    Seller
shall deliver for execution the Tenant a written certification which shall be prepared by Buyer's counsel (utilizing the form attached to this Agreement as
Exhibit D, but modified and supplemented by Buyer's counsel to reflect the terms and provisions of the Tenant Lease; and in form reasonably acceptable to counsel for the Tenant) (such
certification being herein called "Tenant Estoppel Certificate"); and Seller shall obtain an executed Tenant Estoppel Certificate (dated no more than fifteen (15) days prior to the Closing
Date) from the Tenant. Seller shall deliver to Buyer a copy of the executed Tenant Estoppel Certificate obtained by Seller, promptly after Seller's receipt thereof. 

        (h)    Seller
shall deliver for execution by the Tenant a Subordination, Non-Disturbance and Attornment agreement in the form required by Buyer's lender ("SNDA");
and Seller shall use its best efforts to obtain an executed SNDA from the Tenant. Seller shall deliver to Buyer a copy of the executed SNDA delivered to Seller promptly after receiving such SNDA. 

        (i)    Seller
shall deliver for execution by the holder of the Existing Mortgage a written certification which shall be prepared by Buyer's counsel utilizing the form attached
to this Agreement as Exhibit H, (but modified and supplemented by Buyer's counsel to reflect the terms and provisions of the Existing Mortgage, the Existing Note and the Existing Loan
Documents; and in form reasonably acceptable to counsel for the holder of the Existing Mortgage) ("Mortgagee Estoppel Certificate"); and shall obtain an executed Mortgagee Estoppel Certificate (dated
no more than fifteen (15) days prior to the Closing Date) from the holder of the Existing Mortgage. Seller shall deliver to Buyer a copy of the executed Mortgagee Estoppel Certificate delivered
to Seller promptly after receiving such Mortgagee Estoppel Certificate. Buyer shall pay, at Closing, any assumption fee charged by the holder of the Existing Mortgage to permit Buyer (or Buyer's
permitted assignee) to take title to the real Property encumbered by the lien of the Existing Mortgage, and all other costs, fees, charges and expenses imposed by the holder of the Existing Mortgage
with respect to the assumption of the Existing Mortgage or for the issuance of the Mortgagee Estoppel Certificate. The failure of Buyer to successfully complete the process of assuming the obligations
of the Existing Mortgage with the existing mortgagee shall not be an event of default under this Agreement by either Buyer or Seller. 

        (j)    All
written information and documents supplied by Seller to Buyer with respect to the Property pursuant to this Agreement, which would not otherwise have been available
to Buyer pursuant to other sources ("Confidential Information") shall be used by Buyer subject to the following: 

        (i)    Buyer
shall use the Confidential Information only in the performance of its obligations under this Agreement and the performance of its investigations and due diligence
with respect to the Property. 

        (ii)    Buyer
shall limit the dissemination of the Confidential Information to its accountants, attorneys, prospective lenders, title insurance companies, architects,
engineers, and consultants 

utilized in connection with its evaluation of the Property, and to any governmental entity or agency or to the New York Stock Exchange and to its employees and the employees of the parties designated
above who are directly involved in the performance of Buyer's evaluation of the Property, who have a need to know or to use such Confidential Information for the purposes of such performance, and who
have been advised by Buyer of the obligations and restrictions on persons receiving such confidential information as set forth in this subsection 9(j). 

        (iii)    Buyer
shall treat such Confidential Information in at least the same manner and subject to the same protections as Buyer treats and protects its own confidential
information of similar importance. 

        (iv)    If
Buyer does not complete the purchase of the Property pursuant to the terms of this Agreement, all documents constituting the Confidential Information provided by
Seller to Buyer shall be promptly returned to Seller. 

        (v)    The
provisions of this subsection 9(j) shall survive a termination of this Agreement, but shall not survive Closing. 

        10.    Tax Free Exchange.    

        (a)    Buyer
shall cooperate with Seller in effecting an exchange described in Section 1031 of the internal Revenue Code ("Seller Tax Free Exchange"), provided, that:
(a) the Seller Tax Free Exchange shall not impose upon Buyer additional financial or legal obligations in addition to those set forth elsewhere in this Agreement; (b) Buyer shall have no
obligation to take title to any exchange property; (c) Seller shall indemnify, defend and save and hold Buyer harmless of an from all expenses, liabilities, claims, losses or actions as a
result of Buyer's participation in the Seller Tax Free Exchange; (d) Buyer shall have no obligation to modify any of the provisions of this Agreement to effect the Seller Tax Free Exchange;
(e) any Agreement of Sale to be entered into by Buyer for an exchange property shall provide that any liability of Buyer thereunder shall be limited and restricted in enforcement to any deposit
monies paid by Buyer; and (f) Seller shall provide to Buyer any deposit monies required under any Agreement of Sale for an exchange property. Accordingly, Seller may, without Buyer's consent,
Assign this Agreement to a qualified intermediary in order to effectuate a Seller Tax Free Exchange. 

        (b)    Seller
shall cooperate with Buyer in effecting an exchange described in Section 1031 of the internal Revenue Code ("Buyer Tax Free Exchange"), provided, that:
(a) the Buyer Tax Free Exchange shall not impose upon Seller additional financial or legal obligations in addition to those set forth elsewhere in this Agreement; (b) Seller shall have
no obligation to take title to any exchange property; (c) Buyer shall indemnify, defend and save and hold Seller harmless of an from all expenses, liabilities, claims, losses or actions as a
result of Seller's participation in the Buyer Tax Free Exchange; (d) Seller shall have no obligation to modify any of the provisions of this Agreement to effect the Buyer Tax Free Exchange;
(e) any Agreement of Sale to be entered into by Seller for an exchange property shall provide that any liability of Seller thereunder shall be limited and restricted in enforcement to any
deposit monies paid by Seller; and (f) Buyer shall provide to Seller any deposit monies required under any Agreement of Sale for an exchange property. Accordingly, Buyer may, without Seller's
consent, Assign this Agreement to a qualified intermediary in order to effectuate a Buyer Tax Free Exchange. 

        11.    Casualty.     

        (a)    Seller shall maintain the Policy in effect until the time of Closing, and shall deliver to Buyer, within ten (10) days after the date of
this Agreement, an endorsement to the Policy issued by each insurance company issuing the Policy evidencing that the Policy is in effect, that Buyer has been added to the Policy as an additional
insured party thereunder, and that the Policy will not be canceled or materially modified without at least thirty (30) days prior written notice to Buyer; provided, however, in the event
of any Casualty prior to Closing, Seller shall retain all necessary authority to adjust and settle any claim, and Buyer will promptly cooperate with Seller to the extent that may be required by the
insurer. If Closing is not completed under this Agreement, Buyer agrees to deliver to Seller, upon request, a written direction to each insurance company which has issued the Policy, directing that
Buyer's name as an additional insured party be deleted therefrom. If Closing is completed under this 

Agreement, Seller shall be entitled to all rebates and refunds of any prepaid premiums under the Policy. 

        (b)    If
at any time prior to the Closing Date any portion of the Property is destroyed or damaged as a result of fire or any other casualty ("Casualty"), Seller shall
promptly give written notice ("Casualty Notice") thereof to Buyer. If the Property is the subject of a Casualty, Buyer shall have the right, at its sole option, of terminating this Agreement (by
notice given within thirty (30) days after receipt of the Casualty Notice from Seller) unless, (i) the cost fully to repair or restore such damage is less than One Hundred Thousand
Dollars ($100,000) and sufficient insurance proceeds are available fully to restore such damage, and (ii) the insurance company issuing the Policy has confirmed in writing prior to the end of
such thirty (30) day period that such Casualty is covered by the Policy and that no defense to payment of the claim exists, and (iii) such Casualty will not result in the Tenant
terminating the Tenant Lease or asserting a right to terminate the Tenant Lease, and (iv) any loan commitment obtained by Buyer for financing to acquire the Property is not canceled or
suspended as a result of such Casualty. If a Casualty Notice is given to Buyer less than thirty (30) days prior to Closing, at Buyer's option Closing shall be postponed to a date not later than
thirty (30) days after Buyer's receipt of the Casualty Notice. If Buyer does not terminate this Agreement, the proceeds of any insurance with respect to the Property paid between the date of
this Agreement and the Closing Date shall be paid to Buyer at the time of Closing and all unpaid claims and rights in connection with losses to the Property shall be assigned to Buyer at Closing
without in any manner affecting the Purchase Price. 

        (c)    If
the Property is the subject of a Casualty, but Buyer does not have the right to terminate this Agreement pursuant to the provisions of Section 11(b) above (or
Buyer does not exercise such right), then Seller shall promptly cause all temporary repairs to be made to the Property as shall be required to prevent further deterioration and damage to the Property;
provided, however, that any such repairs shall first be approved by Buyer, which approval shall not be unreasonably or untimely withheld. Seller shall have the right to be reimbursed from the proceeds
of any insurance with respect to the Property paid between the date of this Agreement and the Closing Date for the cost of all such repairs made pursuant to this Section 11(c). Except for the
obligation of Seller to repair the Property set forth in this Section 11(c), Seller shall have no other obligation to repair any Casualty damage in the event Buyer does not elect to terminate
this Agreement pursuant to the provisions of Section 11(b), and in such event, Buyer shall accept the Property at Closing as damaged or destroyed by the Casualty and Buyer shall have the right
to enter the Real Property prior to Closing for the purpose of performing such repairs thereto as are reasonably necessary to protect the Property against further damage prior to the Closing Date. 

        12.    Eminent Domain.    If at any time prior to the Closing Date: a Taking affects all or any part of the Property,
or if any proceeding for a Taking is commenced, or if notice of the contemplated commencement of a Taking is given, Seller shall promptly give written notice ("Taking Notice") thereof to Buyer. Buyer
shall have the right, at its sole option, of terminating this Agreement by written notice
to Seller within thirty (30) days after receipt by Buyer of the Taking Notice. If a Taking Notice is given to Buyer less than thirty (30) days prior to Closing, at Buyer's option Closing
shall be postponed to a date not later than thirty (30) days after Buyer's receipt of the Taking Notice. If Buyer does not terminate this Agreement, the Purchase Price shall be reduced by the
total of any awards or damages received by Seller and Seller shall, at Closing, assign to Buyer all of Seller's right, title and interest in and to any awards or damages to which Seller may have
become entitled or may thereafter be entitled by reason of any exercise of the power of eminent domain or condemnation with respect to or for the Taking of the Property or any portion thereof. 

        13.    Conditions of Buyer's Obligations.    

        (a)    The
obligations of Buyer under this Agreement are subject to the satisfaction at the time of Closing of each of the following conditions (any one of which may be waived
in whole or in part in writing by Buyer at or prior to Closing): 

        (i)    all
of the representations and warranties by Seller set forth in this Agreement shall be true and correct in all material respects; 

        (ii)    no
representation or warranty by Seller contained in this Agreement shall contain any materially untrue statement or shall omit a material fact necessary to make the
statement of fact therein recited not misleading; 

        (iii)    Seller
shall have performed all covenants, agreements and conditions required by this Agreement (and by any other Agreement between Seller and Buyer) to be performed
by Seller prior to or as of the Closing Date; 

        (iv)    Buyer
shall have received the executed Tenant Estoppel Certificates and SNDAs from the Tenant under the Tenant Lease; and 

        (v)    Buyer
shall have received the executed Mortgagee Estoppel Certificate from the holder of the Existing Mortgage, Existing Note and the Existing Loan Documents and shall
have completed the process of assuming the obligation of the Existing Mortgage with the existing mortgagee to Buyer's satisfaction. If Closing is completed under this Agreement, Buyer shall pay, at
Closing, any assumption fee charged by the holder of the Existing Mortgage for the issuance of the Mortgagee Estoppel Certificate and to permit Buyer (or Buyer's permitted assignee) to take title to
the Real Property encumbered by the lien of the Existing Mortgage and any and all other costs, fees, charges and expenses imposed by the holder of the Existing Mortgage with respect to the assumption
of the
Existing Mortgage by Buyer (or Buyer's permitted assignee) or for the issuance of the Mortgage Estoppel Certificate. 

        (b)    In
the event any of the conditions set forth in Section 13(a) are not satisfied as of the Closing Date, Buyer shall have the right (in addition to all other
rights and remedies available to Buyer under this Agreement, at law or equity), at Buyer's sole option to (i) terminate this Agreement, or (ii) complete Closing notwithstanding the
unsatisfied condition. 

        14.    Inspection Period.    

        (a)    Buyer
shall, during the period ("Inspection Period") which shall commence as of the date of this Agreement and shall end on the date occurring thirty (30) days
after the date of this Agreement, have the opportunity to examine the Property, the Tenant Lease, the Existing Mortgage, the Existing Mortgage Note, the Existing Loan Documents, the Service
Agreements, the Policy, the Permitted Encumbrances and any items to be delivered by Seller to Buyer, and to conduct such other inspections of the Property as Buyer, in its discretion, may elect. 

        (b)    (i)
Seller acknowledges that Buyer may commission, prior to Closing, at Buyer's sole cost and expense, an investigation of (without limitation): compliance with
environmental laws, the presence of contaminants on, over, under, migrating from or affecting the Property including without limitation in connection with the use and operation of any Personal
Property, and the presence of conditions that may affect Buyer's intended use. 

        (ii)    Seller
will cooperate with Buyer and Buyer's agents in Buyer's investigation, including without limitation: (A) complying with requests for information and
records; (B) assisting Buyer in obtaining governmental agency or other records and upon Buyer's request communicating directly with any governmental agencies; (C) granting Buyer access
to the Property including, without limitation, access for collecting surface or subsurface samples of soil, vegetation or water, or samples from buildings and other improvements and Personal Property
located on the Property, including samples from walls, floors, ceilings, plenums, paved areas and other areas the taking of which samples may necessitate some damage to the buildings, other
improvements or the Personal Property, and installing groundwater monitoring wells; and (D) delivery to Buyer any communications, letters, inquiries or notices received by Seller from any
regulatory body dealing with environmental matters, water quality, air quality, life safety and OSHA and with all reports which may have been prepared within the past five years addressing the
presence of PCB emissions, asbestos or other hazardous materials or waste. If Buyer does not complete Closing, Buyer will repair any invasive testing to the condition of the Property which had
reasonably existed prior to such testing or sampling 

        (c)    Buyer
shall have the right, at Buyer's sole option, to terminate this Agreement (for any reason whatsoever) on or prior to the second business day to occur after the
date on which the Inspection Period ends. 

        15.    Items to be Delivered at Closing.    

        (a)    At
Closing, Seller shall deliver to Buyer the following: 

	(i)
	The
Deed.

	(ii)
	The
Bill of Sale.

	(iii)
	An
Assignment in the form of Exhibit E of the Tenant Lease, duly executed and acknowledged by Seller and in proper form for recording, assigning to Buyer all
of the lessor's rights, title and interest in the Tenant Lease in consideration of Buyer assuming all of Seller's obligations under the Tenant Lease, together with all correspondence between Seller
and the Tenant, an original executed copy of the Tenant Lease and letters, duly executed by Seller, in form satisfactory to Buyer addressed to the Tenant informing it of the assignment. Seller shall
also deliver to Buyer at Closing evidence of Seller's termination of all Service Agreements and payment of all sums owing to the parties to such Service Agreements to the extent such Service
Agreements can be terminated at or prior to the Closing Date; and Seller shall assign to Buyer at Closing, and Buyer shall assume at Closing, any of the Service Agreements that cannot be terminated at
or prior to the Closing Date.

	(iv)
	An
assignment, duly executed and acknowledged by Seller, of (and delivery to Buyer of originals or copies of): all certificates of occupancy and all other licenses,
permits, authorizations, consents, certificates and approvals with respect to the Property; all fees, escrow and/or security funds, deposits and other sums heretofore paid by Seller to any
governmental authority in connection with the Property; all certificates issued by the local Board of Fire Underwriters (or other body exercising similar functions); all plans, specifications and
project manuals for the Property in Seller's possession; and all guarantees, bonds and warranties with respect to the Property in Seller's possession (together with original counterparts of such
instruments).

	(v)
	An
original counterpart of the Tenants Estoppel Certificate, the Mortgagee Estoppel Certificate, and the SNDA.

	(vi)
	Such
resolutions and certificates as the Title Company shall require to evidence the due authorization of the execution and performance of this Agreement and the
documents to be delivered
pursuant hereto; and all affidavits, indemnities and other agreements required by the Title Company to permit it to issue to Buyer the Owner's Policy of Title Insurance required pursuant to
Section 5(a).

	(vii)
	A
statement, certified by Seller (and accompanied with all relevant back-up documentation) setting forth all information necessary or required to permit
Buyer to calculate and collect after Closing all payments of additional rent and other charges due under the Tenant Lease.

	(viii)
	All
proper instruments for the conveyance of the awards referred to in Sections 1(a) and 12.

	(ix)
	Duplicate
copies of all books, records and operating reports in Seller's possession which are necessary to insure continuity of operation of the Property.

	(x)
	Any
other documents required to be delivered by Seller pursuant to any other provisions of this Agreement. 

        (b)    At
Closing, Buyer shall deliver to Seller the following: 

	(i)
	The
portion of the Purchase Price payable pursuant to Section 2(c).

	(ii)
	Assumption
agreement, in the form of Exhibits E of the Tenant Lease, duly executed and acknowledged by Buyer and in proper form for recording. 

	(iii)
	Any
other document required to be delivered by Buyer pursuant to any other provisions of this Agreement. 

        16.    Time.    Time is of the essence of this Agreement. In computing the number of days for purposes of this
Agreement, all days shall be counted, including Saturdays, Sundays and holidays; provided, however, that if the final day of any time period provided in this Agreement shall end on a Saturday, Sunday
or legal holiday, then the final day shall extend to the next full business day. For the purposes of this Section 16, the term "holiday" shall mean a day other than a Saturday or Sunday on
which banks in the Commonwealth of Pennsylvania are or may elect to be closed. 

        17.    Brokerage.    Each of Seller and Buyer represents and warrants to the other that it has dealt with no broker,
finder or other intermediary in connection with this sale, except for Cassidy and Pinkard ("C&P"). Buyer agrees to pay all the commissions to which C&P is entitled by reason of this transaction
pursuant to the provisions of an Agreement to be entered into prior to the end of the Inspection Period between Buyer and C&P. Buyer shall indemnify, defend and save and hold Seller harmless of and
from any loss, cost or expense suffered or incurred by the Seller as the result of a breach of Buyer's representation and warranty in this Section 17. Seller shall indemnify, defend and save
and hold harmless Buyer of and from any loss, cost or expense suffered or incurred by Buyer:(i) as the result of a breach by Seller of its representation and warranty in this Section 17
and/or (ii) by reason of a claim for a commission or other compensation by Commercial-Industrial Reality Company. 

        18.    No Other Representations.    Buyer acknowledges that neither Seller nor anyone acting, or purporting to act, on
behalf of Seller, has, except as expressly set forth in this Agreement, made any representation or warranty with respect to the Property. 

        19.    Successors and Assigns.    Buyer may assign this Agreement to any entity related to or affiliated with Buyer.
This Agreement shall be binding upon, and shall inure to the benefit of, the parties hereto and their respective successors and assigns. 

        20.    FIRPTA.    

        (a)    Section 1445
of the Internal Revenue Code of 1986, as amended (the "Code") provides that a transferee of a United States real property interest must withhold tax
if the transferor is a foreign person. To inform Buyer that withholding of tax is not required upon the disposition by Seller of a United States real property interest, the undersigned parties
executing this Agreement on behalf of Seller hereby certify the following on behalf of Seller: 

	(i)
	Seller
is not a foreign corporation, foreign partnership, foreign trust, or foreign estate (as those terms are defined in the Code and Income Tax Regulations);

	(ii)
	Seller's
U.S. employer identification number is 25-1610089; and

	(iii)
	Seller's
office address is: 

434
North Front Street

Wormleysburg, PA 17403 

Seller,
and the parties executing this Agreement on behalf of Seller, understand that this certification may be disclosed to the Internal Revenue Service by Buyer and that any false statement made
here could be punished by fine, imprisonment, or both. Under penalties of perjury, the undersigned parties executing this Agreement on behalf of Seller declare that they have examined this
certification and to the best of their knowledge and belief, it is true, correct and complete; and they further declare that they have authority to sign this document on behalf of Seller. 

        (b)    Seller,
and the parties executing this Agreement on behalf of Seller, shall deliver to Buyer at Closing, a restatement of the above certifications of Seller and of the
parties executing this Agreement on behalf of Seller. 

        21.    Notices.    

        (a)    All
notices, demands, requests or other communications from each party to the other required or permitted under the terms of this Agreement shall be in writing and,
unless and until otherwise specified in a written notice by the party to whom notice is intended to be given, shall be sent to the parties at the following respective addresses: 

	 	 	if intended for Buyer:	 	 
	 	 	 	 	 
	 	 	200 Four Falls Corporate Center

Suite 208

Conshohocken, PA 19428

Attention: John B. Begier

Fax: 484-530-0131	 	 
	 	 	 	 	 
	 	 	with copy to:	 	 
	 	 	 	 	 
	 	 	200 Four Falls Corporate Center

Suite 208

Conshohocken, PA 19428

Attention: Saul A. Behar, Esq.

Fax: 484-530-0131	 	 
	 	 	 	 	 
	 	 	with a copy to:	 	 
	 	 	 	 	 
	 	 	Henry F. Miller, Esquire

Wolf, Block, Schorr and Solis-Cohen LLP

1650 Arch Street, 22nd Floor

Philadelphia, PA 19103

Fax: 215-977-405-3782	 	 
	 	 	 	 	 
	 	 	if intended for Seller:	 	 
	 	 	 	 	 
	 	 	434 North Front Street

Wormleysburg, PA 17403

Fax: 717-731-0979	 	 
	 	 	 	 	 
	 	 	with a copy to:	 	 
	 	 	 	 	 
	 	 	James R. Clippinger

Caldwell & Kearns

3631 North Front Street

Harrisburg, PA 17110-1533

Fax: 717-232-2766	 	 

Notices may be given on behalf of any party by its legal counsel. 

        (b)    Each
such notice, demand, request or other communication shall be given (i) against a written receipt of delivery, or (ii) by registered or certified mail
of the United States Postal Service, return receipt requested, postage prepaid, or (iii) by a nationally recognized overnight courier service for next business day delivery, or (iv) via
telecopier or facsimile transmission to the facsimile number listed above, provided, however, that if such communication is given via telecopier or facsimile transmission, an original counterpart of
such communication shall concurrently be sent in either the manner specified in clause (i) or (iii) above. 

        (c)    Each
such notice, demand, request or other communication shall be deemed to have been given upon the earliest of (i) actual receipt or refusal by the addressee if
sent pursuant to Section (b)(i), (b(ii) or (b)(iv), or (ii) deposit thereof with the courier if sent pursuant to section (b)(iii) above. 

        22.    Miscellaneous.    

        (a)    Captions.    The captions in this Agreement are inserted for convenience of reference only; they form no part
of this Agreement and shall not affect its interpretation. 

        (b)    Entire Agreement; Governing Law.    This Agreement contains the entire understanding of the parties with
respect to the subject matter hereof, supersedes all prior or other negotiations, representations, understandings and agreements of, by or among the parties, express or implied, oral or written, which
are fully merged herein. The express terms of this Agreement control and supersede any course of performance and/or customary practice inconsistent with any such terms. Any agreement hereafter made
shall be ineffective to change, modify, discharge or effect an abandonment of this Agreement unless such agreement is in writing and signed by the party against whom enforcement of such change,
modification, discharge or abandonment is sought. This Agreement shall be governed by and construed under the laws of the Commonwealth of Pennsylvania. 

        (c)    Provisions Separable.    The provisions of this Agreement are independent of and separable from each other, and
no provision shall be affected or rendered invalid or unenforceable by virtue of the fact that for any reason any other provision may be invalid or unenforceable in whole or in part. 

        (d)    Waiver of Tender of Deed and Purchase Monies.    The tender of executed Deed by Seller and the tender by Buyer
of the Purchase Price are mutually waived, but nothing in this Agreement shall be construed as a waiver of Seller's obligation to deliver the Deed and/or of the concurrent obligation of Buyer to pay
the Purchase Price at Closing. 

        (e)    Gender, etc.    Words used in this Agreement, regardless of the number and gender specifically used, shall be
deemed and construed to include any other number, singular or plural, and any other gender, masculine, feminine or neuter, as the context indicates is appropriate. 

        (f)    Counterparts.    This Agreement may be executed in any number of counterparts, each of which shall be deemed to
be an original as against any party whose signature appears thereon, and all of which shall together constitute one and the same instrument. This Agreement shall be binding when one or more
counterparts hereof, individually or taken together, shall bear the signatures of all of the parties reflected on this Agreement as the signatories. 

        (g)    Exhibits.    All Exhibits and Schedules attached to this Agreement are incorporated by reference into and made
a part of this Agreement. 

        (h)    No Waiver.    Neither the failure nor any delay on the part of either party to this Agreement to exercise any
right, remedy, power or privilege under this Agreement shall operate as a waiver thereof, nor shall any single or partial exercise of any right, remedy, power or privilege preclude any other or
further exercise of the same or of any other right, remedy, power or privilege, nor shall any waiver of any right, remedy, power or privilege with respect to any occurrence be construed as a waiver of
any such right, remedy, power or privilege with respect to any other occurrence. No waiver shall be effective unless it is in writing and is signed by the party asserted to have granted such waiver. 

        (i)    Interpretation.    No provision of this Agreement is to be interpreted for or against either party because that
party or that party's legal representative or counsel drafted such provision. 

        (j)    Attorney's Fees.    In connection with any litigation arising out of this Agreement, the prevailing party shall
be entitled to recover all costs incurred, including reasonable attorney's fees. However, the provisions of this Section are expressly subject to the limitation on Buyer's liability specified in
Section 3. 

        (k)    Buyer's Exercise of Right to Terminate.    If Buyer has the right to terminate this Agreement pursuant to any
of the provisions of this Agreement, Buyer shall do so by giving written notice of 

termination to Seller. Upon any such termination, the Deposit shall be paid in accordance with Section 3, Section 5(d) or otherwise provided herein. 

        (l)    Survival.    The representations, warranties and agreements of Seller set forth in Sections 8 and 9 of this
Agreement shall survive a termination of this Agreement, or Closing for a period of 24 months, and thereafter shall survive to the extent that Buyer shall have given to Seller written notice of
breach thereof. The obligations of Seller and Buyer pursuant to Sections 7, 10, 17, 20, 21, 22(j) and 23 of this Agreement shall survive Closing. Except as otherwise provided in the preceding two
sentences of this Section 22(l), the agreements of Seller and Buyer set forth in this Agreement shall not survive Closing and shall merge into the delivery of the Deed at Closing. 

        23.    Reports.    For the period of time commencing on the date of this Agreement and continuing through the first
anniversary of the Closing Date, and without limitation of the other document production otherwise required of Seller hereunder, Seller shall, from time to time, upon reasonable advance written notice
from Buyer, provide to Buyer and its representatives: (i) access to all financial and other information pertaining to the period of Seller's ownership and operation of the Property, which
information is relevant and reasonably necessary, in the opinion of Buyer's outside, third party accountants ("Accountants") to enable Buyer and its Accountants to prepare financial statements in
compliance with any and all of (a) Rule 3-05 or Rule 3-14 of Regulation S-X of the Securities and Exchange Commission (the
"Commission"), as applicable to Buyer; (b) any other rule issued by the Commission and applicable to Buyer; and (c) any registration statement, report or disclosure statement filed with
the Commission by, or on behalf of Buyer; and (ii) a representation letter, in form specified by, or otherwise satisfactory to the Accountants, signed by the individual(s) responsible for
Seller's financial reporting, as prescribed by generally accepted auditing standards promulgated by the Auditing Standards Division of the American Institute of Certified Public Accountants, which
representation letter may be required by the Accountants in order to render an opinion concerning Seller's financial statements. 

        IN
WITNESS WHEREOF, intending to be legally bound, the parties have executed this Agreement as a sealed instrument as of the day and year first above written. 

	

 	
 	

SELLER:
	 	 	 	 	 
	 	 	DOUBLE M DEVELOPMENT

a/k/a DOUBLE M DEVELOPMENT COMPANY
	 	 	 	 	 
	 	 	By:	 	/s/  MARK G. CALDWELL      
 Mark G. Caldwell, Partner
	 	 	 	 	 
	 	 	 	 	/s/  MARTIN L. GRASS      
 Martin L. Grass, Partner
	 	 	 	 	 
	 	 	BUYER:
	 	 	 	 	 
	 	 	KEYSTONE OPERATING PARTNERSHIP, L.P.
	 	 	 	 	 
	 	 	By:	 	Keystone Property Trust—Its General Partner
	 	 	 	 	 
	 	 	By:	 	/s/  JOHN B. BEIGER      
 John B. Beiger, Vice President

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