Document:

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                                                                    Exhibit 10.2

                          ALNYLAM PHARMACEUTICALS, INC.

                           Restricted Stock Agreement
                     Granted Under 2004 Stock Incentive Plan

      AGREEMENT made this 12th day of July, 2005, between Alnylam
Pharmaceuticals, Inc., a Delaware corporation (the "Company"), and James L.
Vincent (the "Participant").

      For valuable consideration, receipt of which is acknowledged, the parties
hereto agree as follows:

      1. Purchase of Shares.

      The Company shall issue and sell to the Participant, and the Participant
shall purchase from the Company, subject to the terms and conditions set forth
in this Agreement and in the Company's 2004 Stock Incentive Plan, as amended
(the "Plan"), 10,000 shares (the "Shares") of common stock, $.01 par value, of
the Company ("Common Stock"), at a purchase price of $7.02 per share. The
aggregate purchase price for the Shares shall be paid by the Participant by
check payable to the order of the Company or such other method as may be
acceptable to the Company. Upon receipt by the Company of payment for the
Shares, the Company shall issue to the Participant one or more certificates in
the name of the Participant for that number of Shares purchased by the
Participant. The Participant agrees that the Shares shall be subject to the
purchase option set forth in Section 2 of this Agreement and the restrictions on
transfer set forth in Section 4 of this Agreement.

      2. Purchase Option. In the event that the Participant ceases to be a
director of the Company for any reason or no reason on or prior to July 19,
2005, the Company shall have the right and option (the "Purchase Option") to
purchase from the Participant, for a sum of $7.02 per share (the "Option
Price"), some or all of the Unvested Shares (as defined below). "Unvested
Shares" means the total number of Shares multiplied by the Applicable Percentage
at the time the Purchase Option becomes exercisable by the Company. The
"Applicable Percentage" shall be (i) 100% on or prior to July 19, 2005 and (ii)
zero after July 19, 2005.

      3. Exercise of Purchase Option and Closing.

            (a) The Company may exercise the Purchase Option by delivering or
mailing to the Participant (or his estate), within 90 days after the termination
of the service of the Participant as a director of the Company, a written notice
of exercise of the Purchase Option. Such notice shall specify the number of
Shares to be purchased. If and to the extent the Purchase Option is not so
exercised by the giving of such a notice within such 90-day period, the Purchase
Option shall automatically expire and terminate effective upon the expiration of
such 90-day period.

            (b) Within 10 days after delivery to the Participant of the
Company's notice of the exercise of the Purchase Option pursuant to subsection
(a) above, the Participant (or his estate) shall, pursuant to the provisions of
the Joint Escrow Instructions referred to in Section 5 below, tender to the
Company at its principal offices the certificate or certificates representing
the Shares which the Company has elected to purchase in accordance with the
terms of this

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Agreement, duly endorsed in blank or with duly endorsed stock powers attached
thereto, all in form suitable for the transfer of such Shares to the Company.
Promptly following its receipt of such certificate or certificates, the Company
shall pay to the Participant the aggregate Option Price for such Shares
(provided that any delay in making such payment shall not invalidate the
Company's exercise of the Purchase Option with respect to such Shares).

            (c) After the time at which any Shares are required to be delivered
to the Company for transfer to the Company pursuant to subsection (b) above, the
Company shall not pay any dividend to the Participant on account of such Shares
or permit the Participant to exercise any of the privileges or rights of a
stockholder with respect to such Shares, but shall, in so far as permitted by
law, treat the Company as the owner of such Shares.

            (d) The Option Price may be payable, at the option of the Company,
in cancellation of all or a portion of any outstanding indebtedness of the
Participant to the Company or in cash (by check) or both.

            (e) The Company shall not purchase any fraction of a Share upon
exercise of the Purchase Option, and any fraction of a Share resulting from a
computation made pursuant to Section 2 of this Agreement shall be rounded to the
nearest whole Share (with any one-half Share being rounded upward).

            (f) The Company may assign its Purchase Option to one or more
persons or entities.

      4. Restrictions on Transfer. The Participant shall not sell, assign,
transfer, pledge, hypothecate or otherwise dispose of, by operation of law or
otherwise (collectively "transfer") any Shares, or any interest therein, that
are subject to the Purchase Option, except that the Participant may transfer
such Shares (i) to or for the benefit of any spouse, children, parents, uncles,
aunts, siblings, grandchildren and any other relatives approved by the Board of
Directors (collectively, "Approved Relatives") or to a trust established solely
for the benefit of the Participant and/or Approved Relatives, provided that such
Shares shall remain subject to this Agreement (including without limitation the
restrictions on transfer set forth in this Section 4 and the Purchase Option)
and such permitted transferee shall, as a condition to such transfer, deliver to
the Company a written instrument confirming that such transferee shall be bound
by all of the terms and conditions of this Agreement or (ii) as part of the sale
of all or substantially all of the shares of capital stock of the Company
(including pursuant to a merger or consolidation), provided that, in accordance
with the Plan, the securities or other property received by the Participant in
connection with such transaction shall remain subject to this Agreement.

      5. Escrow.

      The Participant shall, upon request of the Company at any time prior to
lapse of the Purchase Option, execute Joint Escrow Instructions in the form
attached to this Agreement as Exhibit A. The Joint Escrow Instructions shall be
delivered to the Secretary of the Company, as escrow agent thereunder. The
Participant shall deliver to such escrow agent upon request of the Company at
any time prior to lapse of the Purchase Option, a stock assignment duly endorsed
in blank, in the form attached to this Agreement as Exhibit B, and hereby
instructs the Company to

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deliver to such escrow agent, on behalf of the Participant, the certificate(s)
evidencing the Shares issued hereunder. Such materials shall be held by such
escrow agent pursuant to the terms of such Joint Escrow Instructions.

      6. Restrictive Legends.

      All certificates representing Shares shall have affixed thereto legends in
substantially the following form, in addition to any other legends that may be
required under federal or state securities laws:

            "The shares of stock represented by this certificate are subject to
            restrictions on transfer and an option to purchase set forth in a
            certain Restricted Stock Agreement between the corporation and the
            registered owner of these shares (or his predecessor in interest),
            and such Agreement is available for inspection without charge at the
            office of the Secretary of the corporation."

      7. Provisions of the Plan.

            (a) This Agreement is subject to the provisions of the Plan, a copy
of which is furnished to the Participant with this Agreement.

            (b) As provided in the Plan, upon the occurrence of a Reorganization
Event (as defined in the Plan), the repurchase and other rights of the Company
hereunder shall inure to the benefit of the Company's successor and shall apply
to the cash, securities or other property which the Shares were converted into
or exchanged for pursuant to such Reorganization Event in the same manner and to
the same extent as they applied to the Shares under this Agreement. If, in
connection with a Reorganization Event, a portion of the cash, securities and/or
other property received upon the conversion or exchange of the Shares is to be
placed into escrow to secure indemnification or similar obligations, the mix
between the vested and unvested portion of such cash, securities and/or other
property that is placed into escrow shall be the same as the mix between the
vested and unvested portion of such cash, securities and/or other property that
is not subject to escrow.

      8. Withholding Taxes; Section 83(b) Election.

            (a) The Participant acknowledges and agrees that the Company has the
right to deduct from payments of any kind otherwise due to the Participant any
federal, state or local taxes of any kind required by law to be withheld with
respect to the purchase of the Shares by the Participant or the lapse of the
Purchase Option.

            (b) The Participant has reviewed with the Participant's own tax
advisors the federal, state, local and foreign tax consequences of this
investment and the transactions contemplated by this Agreement. The Participant
is relying solely on such advisors and not on any statements or representations
of the Company or any of its agents. The Participant understands that the
Participant (and not the Company) shall be responsible for the Participant's own
tax liability that may arise as a result of this investment or the transactions
contemplated by this Agreement. The Participant understands that it may be
beneficial in many circumstances to

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elect to be taxed at the time the Shares are purchased rather than when and as
the Company's Purchase Option expires by filing an election under Section 83(b)
of the Internal Revenue Code of 1986 with the I.R.S. within 30 days from the
date of purchase.

            THE PARTICIPANT ACKNOWLEDGES THAT IT IS SOLELY THE PARTICIPANT'S
RESPONSIBILITY AND NOT THE COMPANY'S TO FILE TIMELY THE ELECTION UNDER SECTION
83(b), EVEN IF THE PARTICIPANT REQUESTS THE COMPANY OR ITS REPRESENTATIVES TO
MAKE THIS FILING ON THE PARTICIPANT'S BEHALF.

      9. Miscellaneous.

            (a) No Rights to Serve as a Director. The Participant acknowledges
and agrees that the vesting of the Shares pursuant to Section 2 hereof is earned
only by continuing service as a director of the Company (not through the act of
purchasing shares hereunder). The Participant further acknowledges and agrees
that the transactions contemplated hereunder and the vesting schedule set forth
herein do not constitute an express or implied promise of continued service as a
director for the vesting period, for any period, or at all.

            (b) Severability. The invalidity or unenforceability of any
provision of this Agreement shall not affect the validity or enforceability of
any other provision of this Agreement, and each other provision of this
Agreement shall be severable and enforceable to the extent permitted by law.

            (c) Waiver. Any provision for the benefit of the Company contained
in this Agreement may be waived, either generally or in any particular instance,
by the Board of Directors of the Company.

            (d) Binding Effect. This Agreement shall be binding upon and inure
to the benefit of the Company and the Participant and their respective heirs,
executors, administrators, legal representatives, successors and assigns,
subject to the restrictions on transfer set forth in Section 4 of this
Agreement.

            (e) Notice. All notices required or permitted hereunder shall be in
writing and deemed effectively given upon personal delivery or five days after
deposit in the United States Post Office, by registered or certified mail,
postage prepaid, addressed to the other party hereto at the address shown
beneath his or its respective signature to this Agreement, or at such other
address or addresses as either party shall designate to the other in accordance
with this Section 9(e).

            (f) Pronouns. Whenever the context may require, any pronouns used in
this Agreement shall include the corresponding masculine, feminine or neuter
forms, and the singular form of nouns and pronouns shall include the plural, and
vice versa.

            (g) Entire Agreement. This Agreement and the Plan constitute the
entire agreement between the parties, and supersedes all prior agreements and
understandings, relating to the subject matter of this Agreement.

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            (h) Amendment. This Agreement may be amended or modified only by a
written instrument executed by both the Company and the Participant.

            (i) Governing Law. This Agreement shall be construed, interpreted
and enforced in accordance with the internal laws of the State of Delaware
without regard to any applicable conflicts of laws.

            (j) Participant's Acknowledgments. The Participant acknowledges that
he or she: (i) has read this Agreement; (ii) has been represented in the
preparation, negotiation, and execution of this Agreement by legal counsel of
the Participant's own choice or has voluntarily declined to seek such counsel;
(iii) understands the terms and consequences of this Agreement; (iv) is fully
aware of the legal and binding effect of this Agreement; and (v) understands
that the law firm of Wilmer Cutler Pickering Hale and Dorr LLP, is acting as
counsel to the Company in connection with the transactions contemplated by the
Agreement, and is not acting as counsel for the Participant.

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

                                        ALNYLAM PHARMACEUTICALS, INC.

                                        By:_____________________________________

                                           Title:_______________________________

                                        Address:      300 Third Street
                                                      Cambridge, MA 02142

                                        ________________________________________
                                        James L. Vincent

                                        Address: _______________________________

                                                 _______________________________

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                                    Exhibit A

                          ALNYLAM PHARMACEUTICALS, INC.

                            Joint Escrow Instructions

                                  July 12, 2005

Secretary
Alnylam Pharmaceuticals, Inc.
300 Third Street
Cambridge, MA 02142

Dear Sir:

      As Escrow Agent for Alnylam Pharmaceuticals, Inc., a Delaware corporation,
and its successors in interest under the Restricted Stock Agreement (the
"Agreement") of even date herewith, to which a copy of these Joint Escrow
Instructions is attached (the "Company"), and the undersigned person ("Holder"),
you are hereby authorized and directed to hold the documents delivered to you
pursuant to the terms of the Agreement in accordance with the following
instructions:

      1. Appointment. Holder irrevocably authorizes the Company to deposit with
you any certificates evidencing Shares (as defined in the Agreement) to be held
by you hereunder and any additions and substitutions to said Shares. For
purposes of these Joint Escrow Instructions, "Shares" shall be deemed to include
any additional or substitute property. Holder does hereby irrevocably constitute
and appoint you as his attorney-in-fact and agent for the term of this escrow to
execute with respect to such Shares all documents necessary or appropriate to
make such Shares negotiable and to complete any transaction herein contemplated.
Subject to the provisions of this Section 1 and the terms of the Agreement,
Holder shall exercise all rights and privileges of a stockholder of the Company
while the Shares are held by you.

      2. Closing of Purchase.

            (a) Upon any purchase by the Company of the Shares pursuant to the
Agreement, the Company shall give to Holder and you a written notice specifying
the purchase price for the Shares, as determined pursuant to the Agreement, and
the time for a closing hereunder (the "Closing") at the principal office of the
Company. Holder and the Company hereby irrevocably authorize and direct you to
close the transaction contemplated by such notice in accordance with the terms
of said notice.

            (b) At the Closing, you are directed (i) to date the stock
assignment form or forms necessary for the transfer of the Shares, (ii) to fill
in on such form or forms the number of Shares being transferred, and (iii) to
deliver same, together with the certificate or certificates

                                      -6-
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evidencing the Shares to be transferred, to the Company against the simultaneous
delivery to you of the purchase price for the Shares being purchased pursuant to
the Agreement.

      3. Withdrawal. The Holder shall have the right to withdraw from this
escrow any Shares as to which the Purchase Option (as defined in the Agreement)
has terminated or expired.

      4. Duties of Escrow Agent.

            (a) Your duties hereunder may be altered, amended, modified or
revoked only by a writing signed by all of the parties hereto.

            (b) You shall be obligated only for the performance of such duties
as are specifically set forth herein and may rely and shall be protected in
relying or refraining from acting on any instrument reasonably believed by you
to be genuine and to have been signed or presented by the proper party or
parties. You shall not be personally liable for any act you may do or omit to do
hereunder as Escrow Agent or as attorney-in-fact of Holder while acting in good
faith and in the exercise of your own good judgment, and any act done or omitted
by you pursuant to the advice of your own attorneys shall be conclusive evidence
of such good faith.

            (c) You are hereby expressly authorized to disregard any and all
warnings given by any of the parties hereto or by any other person or entity,
excepting only orders or process of courts of law, and are hereby expressly
authorized to comply with and obey orders, judgments or decrees of any court. If
you are uncertain of any actions to be taken or instructions to be followed, you
may refuse to act in the absence of an order, judgment or decrees of a court. In
case you obey or comply with any such order, judgment or decree of any court,
you shall not be liable to any of the parties hereto or to any other person or
entity, by reason of such compliance, notwithstanding any such order, judgment
or decree being subsequently reversed, modified, annulled, set aside, vacated or
found to have been entered without jurisdiction.

            (d) You shall not be liable in any respect on account of the
identity, authority or rights of the parties executing or delivering or
purporting to execute or deliver the Agreement or any documents or papers
deposited or called for hereunder.

            (e) You shall be entitled to employ such legal counsel and other
experts as you may deem necessary properly to advise you in connection with your
obligations hereunder and may rely upon the advice of such counsel.

            (f) Your rights and responsibilities as Escrow Agent hereunder shall
terminate if (i) you cease to be Secretary of the Company or (ii) you resign by
written notice to each party. In the event of a termination under clause (i),
your successor as Secretary shall become Escrow Agent hereunder; in the event of
a termination under clause (ii), the Company shall appoint a successor Escrow
Agent hereunder.

            (g) If you reasonably require other or further instruments in
connection with these Joint Escrow Instructions or obligations in respect
hereto, the necessary parties hereto shall join in furnishing such instruments.

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            (h) It is understood and agreed that if you believe a dispute has
arisen with respect to the delivery and/or ownership or right of possession of
the securities held by you hereunder, you are authorized and directed to retain
in your possession without liability to anyone all or any part of said
securities until such dispute shall have been settled either by mutual written
agreement of the parties concerned or by a final order, decree or judgment of a
court of competent jurisdiction after the time for appeal has expired and no
appeal has been perfected, but you shall be under no duty whatsoever to
institute or defend any such proceedings.

            (i) These Joint Escrow Instructions set forth your sole duties with
respect to any and all matters pertinent hereto and no implied duties or
obligations shall be read into these Joint Escrow Instructions against you.

            (j) The Company shall indemnify you and hold you harmless against
any and all damages, losses, liabilities, costs, and expenses, including
attorneys' fees and disbursements, (including without limitation the fees of
counsel retained pursuant to Section 4(e) above, for anything done or omitted to
be done by you as Escrow Agent in connection with this Agreement or the
performance of your duties hereunder, except such as shall result from your
gross negligence or willful misconduct.

      5. Notice. Any notice required or permitted hereunder shall be given in
writing and shall be deemed effectively given upon personal delivery or upon
deposit in the United States Post Office, by registered or certified mail with
postage and fees prepaid, addressed to each of the other parties thereunto
entitled at the following addresses, or at such other addresses as a party may
designate by ten days' advance written notice to each of the other parties
hereto.

            COMPANY:        Notices to the Company shall be sent to the address
                            set forth in the salutation hereto, Attn: President

            HOLDER:         Notices to Holder shall be sent to the address set
                            forth below Holder's signature below.

            ESCROW AGENT:   Notices to the Escrow Agent shall be sent to the
                            address set forth in the salutation hereto.

            6. Miscellaneous.

                  (a) By signing these Joint Escrow Instructions, you become a
party hereto only for the purpose of said Joint Escrow Instructions, and you do
not become a party to the Agreement.

                  (b) This instrument shall be binding upon and inure to the
benefit of the parties hereto and their respective successors and permitted
assigns.

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                                        Very truly yours,

                                        Alnylam Pharmaceuticals, Inc.

                                        By:_____________________________________
                                        Title:__________________________________

                                        HOLDER:

                                        ________________________________________
                                                     (Signature)

                                        ________________________________________
                                                     Print Name

                                        Address: _______________________________

                                                 _______________________________

                                        Date Signed:____________________________
ESCROW AGENT:

_______________________________
Secretary

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<PAGE>

                                    Exhibit B

                  (STOCK ASSIGNMENT SEPARATE FROM CERTIFICATE)

      FOR VALUE RECEIVED, I hereby sell, assign and transfer unto
__________________ (_________) shares of Common Stock, $0.01 par value per
share, of Alnylam Pharmaceuticals, Inc. (the "Corporation") standing in my name
on the books of the Corporation represented by Certificate(s) Number __________
herewith, and do hereby irrevocably constitute and appoint
______________________ attorney to transfer the said stock on the books of the
Corporation with full power of substitution in the premises.

                                        Dated: _________________________________

IN PRESENCE OF                          ________________________________________

                                        ________________________________________

      NOTICE: The signature(s) to this assignment must correspond with the name
as written upon the face of the certificate, in every particular, without
alteration, enlargement, or any change whatever and must be guaranteed by a
commercial bank, trust company or member firm of the Boston, New York or Midwest
Stock Exchange.

                                      -10-<PAGE>

EXHIBIT 10.1

                     REAL ESTATE PURCHASE AND SALE AGREEMENT

                                     BETWEEN

                            GSI LUMONICS CORPORATION

                                   (AS SELLER)

                                       AND

                           STAG CAPITAL PARTNERS, LLC

                                 (AS PURCHASER)

                     CONCERNING CERTAIN PROPERTY LOCATED AT

                 22300 HAGGERTY ROAD, FARMINGTON HILLS, MICHIGAN

<PAGE>

                                TABLE OF CONTENTS

                                                                            PAGE
                                                                            ----
                             Schedules and Exhibits

Schedule 1.1         -        Defined Terms
Schedule 3.1         -        Deposit Escrow Provisions
Schedule 5.1         -        Seller Deliveries
Schedule 5.8                  Form of Required Amendment
Exhibit A            -        Land
Exhibit B            -        Form of Tenant Estoppel
Exhibit C            -        Lease Related Disclosures
Exhibit D            -        Exceptions to Seller Representations
Exhibit E            -        Form of Deed
Exhibit F            -        (Reserved)
Exhibit G            -        Form of Assignment and Assumption
Exhibit H            -        Form of Updated Representation Certificate

<PAGE>

                     REAL ESTATE PURCHASE AND SALE AGREEMENT

      THIS REAL ESTATE PURCHASE AND SALE AGREEMENT (this "Agreement") is entered
into as of the Effective Date (defined below) by and between GSI Lumonics
Corporation, a Michigan Corporation (the "Seller"), and STAG Capital Partners,
LLC, a Massachusetts limited liability company (the "Purchaser"), and is joined
in by the Title Company (defined below) in accordance with Schedule 3.1.

      In consideration of the mutual promises hereinafter set forth and for
other good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, the parties hereto agree as follows:

                                    ARTICLE 1

                                   DEFINITIONS

      SECTION 1.1 DEFINITIONS. For purposes of this Agreement, capitalized terms
not otherwise defined herein have the meaning set forth in Schedule 1.1.

                                    ARTICLE 2

                     AGREEMENT; PURCHASE PRICE; CLOSING DATE

      SECTION 2.1. AGREEMENT TO SELL AND PURCHASE. Subject to the terms and
provisions hereof, Seller agrees to sell the Property to Purchaser, and
Purchaser agrees to purchase the Property from Seller. The Property is located
at 22300 Haggerty Road, Farmington Hills, Michigan.

      SECTION 2.2. PURCHASE PRICE. The Purchase Price for the Property shall be
Six Million Five Hundred Fifteen Thousand Dollars ($6,515,000). Subject to the
adjustments and apportionments as hereinafter set forth, the Purchase Price
shall be paid on the Closing Date by wire transfer of immediately available
federal funds.

      SECTION 2.3. CLOSING DATE. The transaction contemplated hereby shall close
on the Closing Date, subject to extension as provided herein.

                                    ARTICLE 3

                                     DEPOSIT

      SECTION 3.1. DEPOSIT. No later than the third Business Day following the
Effective Date, Purchaser shall deposit Fifty Thousand Dollars ($50,000) with
the Title Company. No later than the third Business Day immediately following
the end of the Study Period, unless this Agreement terminates in accordance with
Section 5.2 below, Purchaser shall deposit an additional Fifty Thousand Dollars
($50,000) with the Title Company. All deposits made pursuant to this Section
3.1, together with all interest and earnings thereon, are referred to
collectively in this Agreement as the "Deposit." The Deposit shall be held in a
segregated account in accordance with the provisions of Schedule 3.1 hereto. The
Deposit shall be applied to the Purchase Price if the Closing occurs. If the
Closing does not occur or if this Agreement otherwise terminates, the Deposit
shall be disbursed as provided herein. Notwithstanding anything in this
Agreement to the contrary, One Hundred and No/100 Dollars ($100.00) of the
Deposit is delivered to the Title Company as "Independent Contract
Consideration", and the Deposit is reduced by

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the amount of the Independent Contract Consideration so delivered to Seller,
which amount has been bargained for and agreed to as consideration for Seller's
execution and delivery of this Agreement.

                                    ARTICLE 4

                                TITLE AND SURVEY

      SECTION 4.1. TITLE AND SURVEY. Promptly upon execution of this Agreement,
(a) Seller shall provide, or cause to be provided, Purchaser with a copy of the
most recent owner's title insurance policy or title commitment issued in
connection with the Real Property (and Purchaser acknowledges receipt of
Seller's title policy for the Real Property); and (b) Purchaser shall order a
title commitment or pro forma title policy (the "Title Commitment") and ALTA
survey of the Real Property (the "Survey"). Purchaser shall have until the Study
Period Notice Deadline to give Seller a written notice that sets forth any
objections that Purchaser has to title or survey matters affecting the Property
and disclosed on the Title Commitment or the Survey (the "Purchaser Title
Objections"). Seller shall use reasonable efforts to cure the Purchaser Title
Objections before the Closing Date. If, despite such reasonable efforts, Seller
is unable to cure the Purchaser Title Objections by the Closing Date, Purchaser
shall have the option (in its sole discretion) of either (y) accepting the title
as it then is or (z) terminating this Agreement, in which event the Deposit
shall immediately be returned to Purchaser, this Agreement shall terminate and
Purchaser and Seller shall have no further obligations or liabilities hereunder
other than Purchaser's obligations under Section 5.1(b)(iv), Section 5.2 and
Section 5.3. Notwithstanding anything in this Agreement to the contrary, all
Voluntary Liens will be satisfied by Seller on or prior to the Closing Date or,
if not so satisfied, shall be satisfied at Closing out of the proceeds otherwise
payable to Seller, and Purchaser shall have no obligation to give Seller any
notice of objection with respect to any Voluntary Liens.

                                    ARTICLE 5

                              INSPECTION AND AUDIT

      SECTION 5.1. DUE DILIGENCE MATERIALS; ACCESS.

      (a) No later than June 13, 2005, Seller shall provide to Purchaser
complete copies of the documents and materials listed on Schedule 5.1, to the
extent that such documents are in Seller's possession or are reasonably
available to Seller.

      (b) During the term of this Agreement, Purchaser, personally or through
its authorized agents or representatives, shall be entitled to interview the
Tenant and, upon no less than two (2) Business Days' advance notice to Seller,
to enter upon the Property during normal business hours, and shall have the
right to make such investigations, including appraisals, engineering studies,
soil tests, environmental studies, inquiry of governmental officials, and
underwriting analyses, as Purchaser deems necessary or advisable, subject to the
following limitations: (i) Purchaser shall give Seller written or telephonic
notice not less than two (2) Business Days before conducting any inspections on
the Property, and a representative of Seller and Tenant shall have the right to
be present when Purchaser or its representatives conducts its or their
investigations on the Property; (ii) neither Purchaser nor its representatives
shall materially interfere with the construction, use, occupancy or enjoyment of
the Property by the Seller or Tenant; (iii) neither Purchaser nor its agents
shall damage the Property or any portion thereof, except for any immaterial
damage caused by environmental or geotechnical tests, all of which shall
promptly be repaired by Purchaser; and (iv) Purchaser shall indemnify, hold
harmless and defend the Seller against all costs (including reasonable
attorneys' fees) and damage to the Property caused by the activities of
Purchaser or its agents under this paragraph, provided; however, that such
indemnity shall not include any costs or

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<PAGE>

damages caused by (x) the acts of the Seller or its agents or representatives
(to the extent caused by the acts of Seller or its agents or representatives),
(y) any claims of diminution in the value of the Property as a consequence of
the results revealed by such tests and inspections (except in the event of a
breach by Purchaser of its obligations under Section 5.3) or (z) any
pre-existing condition of the Property (except to the extent such condition is
made worse by Purchaser). The foregoing indemnification obligation shall survive
the Closing or termination of this Agreement for a period of six (6) months.

      SECTION 5.2. STUDY PERIOD. Purchaser shall have the period ending at 6:00
p.m. (local time in Boston, Massachusetts) on July 8, 2005 (the "Study Period"),
to physically inspect the Property, review economic data and market conditions,
underwrite the Tenant and review the Lease, conduct appraisals, make inquiry of
governmental officials, perform examinations of the physical condition of the
Improvements, examine the Real Property for the presence of Hazardous Materials,
and to otherwise conduct such due diligence and underwriting as Purchaser, in
its sole and absolute discretion, deems appropriate in accordance with Section
5.1(b) above. This Agreement shall terminate unless, before 6:00 p.m. on the
first business day following the end of the Study Period (the "Study Period
Notice Deadline"), Purchaser gives Seller written notice (the "Study Period
Notice") that Purchaser, in its absolute and unreviewable discretion, elects to
proceed with the purchase of the Property subject to and in accordance with the
terms of this Agreement. In addition, at any time before the Study Period Notice
Deadline, Purchaser may, in its absolute and unreviewable discretion, terminate
this Agreement by giving written notice thereof to Seller (the "Termination
Notice"). In the event that either: (a) Purchaser gives a Termination Notice
before the Study Period Notice Deadline, or (b) Purchaser does not give a
Termination Notice but fails to give the Study Period Notice before the Study
Period Notice Deadline, this Agreement shall automatically terminate, the
Deposit promptly shall be returned to Purchaser, and Seller and Purchaser shall
have no further obligations or liabilities to each other hereunder other than
Purchaser's obligations under Section 5.1(b)(iv), this Section 5.2 and Section
5.3. In the event of a termination of this Agreement for any reason, Purchaser
shall deliver to Seller originals or copies of all materials and documents in
Purchaser's possession relating to the Property and obtained by Purchaser during
its investigation of the Property.

      SECTION 5.3. CONFIDENTIALITY. Purchaser shall use the Confidential
Information only for purposes of evaluating the Property in connection with its
potential purchase thereof in accordance with the terms of this Agreement (and,
if the Closing occurs, in connection with its ownership of the Property).
Notwithstanding the foregoing, Purchaser may disclose the Confidential
Information: (a) to its owners, legal counsel, accountants, lenders, potential
investors, regulatory authorities, or otherwise required by law, and other third
parties having a reason to review the Confidential Information in connection
with Purchaser's purchase of the Property; provided the Confidential Information
is kept confidential by such parties, (b) in connection with any legal
proceeding brought by Purchaser to enforce its rights under this Agreement; and
(c) to the extent that such disclosure is required by law or court order or by
discovery rules in any legal proceeding, provided that Purchaser first shall
provide written notice thereof to Seller. If this Agreement is terminated before
the Closing, Purchaser promptly shall return the Confidential Information to
Seller and shall not retain copies thereof. Except as otherwise provided in
Subsection (b) of this Section 5.3, the provisions of which shall apply to both
Seller and Purchaser for purposes of this sentence, neither Seller nor Purchaser
shall disclose this Agreement or make any public announcements concerning the
sale of the Property pursuant to this Agreement without first obtaining the
prior written consent of the other. In addition, and notwithstanding the
foregoing restrictions, Seller and Purchaser authorize each other and their
respective representatives to disclose, as necessary for the financing of the
purchase contemplated by this Agreement, the tax treatment and tax structure of
the transaction contemplated hereby and all related materials, including tax
analyses or opinions, relating to such tax treatment and tax structure. The
provisions of this paragraph shall survive the Closing or termination of this
Agreement.

                                       3
<PAGE>

      SECTION 5.4. TERMINATION OF CONTRACTS. No Contracts will be assigned to
Purchaser at Closing pursuant to this Agreement. Seller shall be responsible for
the termination of all Contracts prior to the Closing Date, and Purchaser shall
not have any liability under any of the Contracts. The provisions of this
Section 5.4 shall survive the Closing.

      SECTION 5.5. COOPERATION. During the term of this Agreement, the Seller
shall direct its property manager, agents and employees to cooperate with the
reasonable requests of the Purchaser to obtain information concerning the
Property pursuant to the provisions of Section 5.1 and Section 5.3 above.

      SECTION 5.6. NO ASSUMPTION OF EMPLOYEE CLAIMS. Purchaser and Seller agree
that Purchaser has not assumed and shall not assume any obligations to (or
regarding the employment of), any individuals previously or currently employed
by Seller in the management, ownership or operation of the Property. Purchaser
shall not assume, shall not take subject to and shall not be liable for, any
liabilities or obligations of any kind or nature, whether absolute, contingent,
accrued, known or unknown, to former or current employees of Seller (i) which
arise or accrue prior to the Closing including, without limitation, any
liabilities or obligations of Seller in connection with any employee benefit
plans or collective bargaining agreements, employment agreements or other
similar arrangement, any liabilities or obligations with respect to employment
arising under any federal, state or municipal statute or common law, or any
liabilities or obligations in respect of retiree health benefits, and (ii) with
respect to severance payments or other termination payments owing by Seller to
any of Seller's former or current employees (collectively, "Employee Claims").
Prior to the Closing Date Seller's employees shall vacate the Property. No
portion of any liability respecting the Employee Claims listed in clause (ii)
immediately above shall be passed through or charged to the Tenant by Seller.
The provisions of this paragraph shall survive the Closing.

      SECTION 5.7. ACCESS DATE. Seller anticipates that the Access Date shall
occur before June 1, 2005 as required pursuant to Section 1.02 of the Lease. In
the event that the Access Date does not occur on or before June 1, 2005, then
Purchaser shall be entitled to terminate this Agreement by giving written notice
thereof to Seller no later than June 11, 2005, in which event the Deposit will
promptly be returned to Purchaser, Seller promptly shall reimburse Purchaser for
the actual, reasonable third party costs that Purchaser has incurred in
connection with this Agreement and Purchaser's due diligence hereunder
(including reasonable legal fees; provided, however, that the aggregate amount
of such third party costs shall not exceed Twenty Five Thousand Dollars
[$25,000]), and the parties shall have no further obligation to each other,
except Purchaser's obligations under Section 5.1(b)(iv), Section 5.2 and Section
5.3.

      SECTION 5.8. REQUIRED AMENDMENT. On or before the expiration of the Study
Period, Seller and Tenant shall amend the Lease such that Section 14.8 thereof,
as it pertains to Tenant's right of first refusal under the Lease, is deleted
(such amendment, in the form attached as Schedule 5.8, being the "Required
Amendment", shall be the only amendment to the terms and provisions of the Lease
permitted pursuant to this Section 5.8). In the event that the Lease is not
amended as required by this Section 5.8 on or before the expiration of the Study
Period, then Purchaser shall be entitled to terminate this Agreement by giving
written notice thereof to Seller, in which event the Deposit will promptly be
returned to Purchaser, Seller promptly shall reimburse Purchaser for the actual,
reasonable third party costs that Purchaser has incurred prior to the expiration
of the Study Period in connection with this Agreement and the transaction
contemplated hereby (including reasonable legal fees; provided, however, that
the aggregate amount of such third party costs shall not exceed Twenty Five
Thousand Dollars [$25,000]), and the parties shall have no further obligation to
each other, except Purchaser's obligations under Section 5.1(b)(iv), Section 5.2
and Section 5.3.

                                       4
<PAGE>

                                    ARTICLE 6

              CONDITIONS PRECEDENT, CASUALTY DAMAGE OR CONDEMNATION

      SECTION 6.1. CONDITIONS PRECEDENT FAVORING PURCHASER. In addition to the
conditions precedent in favor of Purchaser set forth elsewhere in this
Agreement, Purchaser's obligations under this Agreement are subject to the
timely fulfillment of the conditions set forth in this Section 6.1 on or before
the Closing Date, or such earlier date as is set forth below. Each condition may
be waived in whole or in part only by written notice of such waiver from
Purchaser to Seller. Purchaser, by consummation of the Closing pursuant to this
Agreement, shall have waived the conditions precedent set forth in this Section
6.1 (provided, however, that any such waiver shall not in any way modify or
affect any other provision, condition, obligation, representation, warranty or
covenant set forth elsewhere in this Agreement).

            (a) Seller shall have performed and complied in all material
respects with all of the terms of this Agreement to be performed and complied
with by Seller prior to or at the Closing (including, but not limited to,
Section 5.7 and Section 5.8);

            (b) On the Closing Date, the Seller Representations shall be true,
complete and accurate, except for changes occurring in the normal course of
business or pursuant to the express provisions of the Lease;

            (c) Purchaser shall have received an estoppel certificate from the
Tenant dated no earlier than thirty (30) days prior to the Closing Date
reflecting the terms of the Lease and otherwise substantially in the form
attached hereto as Exhibit B. This condition shall not be satisfied if the
Tenant estoppel certificate discloses: (i) any default by landlord or Tenant;
(ii) any amendment, modification or supplement to the Lease that was not
provided to Purchaser before the commencement of the Restricted Period or
consented to in writing by the Purchaser (other than the Required Amendment); or
(iii) any other information that is inconsistent in any material respect with
the Lease or related Lease information as provided to Purchaser before the
commencement of the Restricted Period. Seller shall use good faith, commercially
reasonable efforts to obtain such estoppel certificate from the Tenant, and
shall deliver a copy of such estoppel to Purchaser promptly upon receipt thereof
by Seller. Seller shall allow Purchaser to review the estoppel certificate
before presenting it to the Tenant in the event that the form of estoppel
certificate differs from the form attached as Exhibit B;

            (d) Purchaser shall have received a subordination, non-disturbance
and attornment agreement ("SNDA"), subordinating the Lease to the loan of
Purchaser's mortgage lender, in a form that is recordable in the land records of
the Property and is reasonably acceptable to the Purchaser and such lender.
Seller shall use good faith, commercially reasonable efforts to obtain such
SNDA, and shall deliver the original of such SNDA in recordable form promptly
upon receipt thereof by Seller;

            (e) On the Closing Date, title to the Property shall be conveyed to
Purchaser subject only to the Permitted Exceptions and the Title Company shall
issue to Purchaser an owner's title insurance policy without standard exceptions
(on the current ALTA Form B), so long as the Purchaser causes a copy of the
Survey to be provided to the Title Company, in the amount of the Purchase Price,
together with the Required Endorsements upon payment by Purchaser for the
Required Endorsements, insuring good and marketable fee simple title to the Real
Property in Purchaser, subject only to the Permitted Exceptions and the standard
printed exceptions, except that: (i) the exceptions for mechanic's liens or
construction liens, and unrecorded easements shall be deleted; (ii) the survey
exception shall be limited to Permitted Exceptions; (iii) the exception relating
to ad valorem taxes shall relate only to taxes and assessments that are due and
payable after the Closing Date; and (iv) the parties-in-possession exception
shall be deleted except as to the Tenant, as tenant only, as provided for in the
Lease;

                                       5
<PAGE>

            (f) On the Closing Date, (i) the Property shall be in the same
condition that it is in now, reasonable wear and tear excepted, and free from
tenants and occupants, except for the Tenant pursuant to the Lease and except
for construction, alteration and modifications to the Property as and to the
extent permitted by the Lease; (ii) there shall be no judicial or administrative
or condemnation proceeding pending or threatened concerning the Property that
was not disclosed in writing to Purchaser before the commencement of the
Restricted Period; (iii) the Property and the use and operation thereof by
Seller and Tenant shall comply in all material respects with all Legal
Requirements; (iv) the Lease shall be in full force and effect and free from
default, except for any default that was disclosed in writing to Purchaser
before the end of the Study Period; (v) there shall be no bankruptcy proceeding
pending or threatened in writing with respect to the Tenant; and (vi) the
Property shall be free and clear of: (y) any management or leasing agreements
and any other Contracts under which Purchaser has any obligations; and (z) any
collective bargaining or employment agreements under which Purchaser has any
obligations;

            (g) (Reserved);

            (h) There shall be no Reciprocal Access Agreements encumbering the
Property;

            (i) Seller shall use commercially reasonable efforts to obtain and
provide to Purchaser a final, non-appealable certificate of occupancy for all of
the Improvements and any certificates or approvals necessary to permit the use
of any parking facilities at the Property (collectively, the "Certificate of
Occupancy"), other than any Certificate of Occupancy that Tenant is obligated to
obtain pursuant to the Lease; and

            (j) Seller and Tenant shall have executed the Required Amendment
before the expiration of the Study Period and caused two (2) duly executed and
delivered originals of the same to be delivered to Purchaser.

      SECTION 6.2. CONDITIONS PRECEDENT FAVORING SELLER. In addition to the
conditions precedent in favor of Seller set forth elsewhere in this Agreement,
Seller's obligations under this Agreement are expressly subject to the timely
fulfillment of the conditions set forth in this Section 6.2 on or before the
Closing Date, or such earlier date as is set forth below. Each condition may be
waived in whole or part only by written notice of such waiver from Seller to
Purchaser.

            (a) Purchaser shall have performed and complied in all material
respects with all of the terms of this Agreement to be performed and complied
with by Purchaser prior to or at the Closing; and

            (b) On the Closing Date, the representations of Purchaser set forth
in Section 7.2 shall be true, accurate and complete.

      SECTION 6.3. RISK OF LOSS. Unless and until the Closing is completed, the
risk of loss to the Property from casualty or condemnation shall be borne by
Seller. If all or a portion of the Property is damaged or destroyed by fire or
other casualty prior to Closing such that: (1) Purchaser's reasonable estimate
of the cost to repair the same exceeds $200,000; (2) the Tenant has the right to
terminate the Lease or abate or offset rent under the Lease on account of such
casualty; or (3) access to or egress from the Property is materially impaired
(any such fire or other casualty, a "Material Casualty"), Purchaser may, at
Purchaser's sole option, elect to either:

      (a)   terminate this Agreement and receive back the Deposit, subject to
Purchaser's obligations under Section 5.1(b)(iv), Section 5.2 and Section 5.3;
or

                                       6
<PAGE>

      (b)   purchase the Property subject to and in accordance with the terms of
this Agreement.

      In the event of a fire or other casualty that is not a Material Casualty,
and in connection with any Material Casualty as to which Purchaser elects to
proceed pursuant to Section 6.3(b), (A) Purchaser shall purchase the Property in
accordance with the terms hereof without reduction in the Purchase Price (except
for any applicable deductible that will reduce the insurance proceeds assigned
to Purchaser at Closing) and (B) Seller shall assign to Purchaser at Closing all
insurance proceeds paid or payable to Seller on account of such damage,
including any business interruption insurance (and the amount of any deductible
shall be credited against the Purchase Price). Purchaser shall be deemed to have
elected to terminate this Agreement under Section 6.3(a) unless, within ten (10)
Business Days from reasonably detailed written notice to Purchaser of such
casualty, Purchaser provides Seller with written notice that Purchaser elects to
proceed pursuant to Section 6.3(b). If the Closing Date would otherwise occur
sooner, it shall automatically be extended to the date that is fifteen (15)
Business Days after written notice to Purchaser of the Material Casualty. If any
insurance proceeds paid or payable on account of a fire or other casualty are to
be assigned to Purchaser in accordance with the provisions of this Agreement,
Seller shall cooperate as reasonably requested by Purchaser to effectuate such
assignment (including, if necessary, prosecuting claims in Purchaser's name or
for Purchaser's benefit), and Seller's obligation to so cooperate shall survive
the Closing. Notwithstanding anything to the contrary in this Section 6.3, if
Seller fails to maintain full replacement cost insurance as required herein, and
if there is a fire or other casualty that is not a Material Casualty, or if
there is a Material Casualty as to which Purchaser elects to proceed under
Section 6.3(b), Purchaser shall have the right, in lieu of an assignment of
insurance proceeds, to receive a credit against the Purchase Price in an amount
equal to the cost to repair the damage caused by such fire or other casualty as
estimated by a third party consultant selected by Purchaser and the amount of
any lost rents that would have been covered by insurance if Purchaser had
maintained the rental insurance required above.

      SECTION 6.4. CONDEMNATION. If, at any time before completion of the
Closing, a taking or condemnation (or proceeding in lieu thereof) is commenced
or threatened in writing: (i) of all or substantially all of the Property; or
(ii) of less than all or substantially all of the Property that: (1) results in
the Tenant having the right to terminate its Lease or abate or offset rent under
the Lease; (2) causes the Property to fail to comply with Legal Requirements or
any applicable Reciprocal Easement Agreements; (3) materially impairs access to
or egress from the Property; (4) causes the loss of any parking that benefits
the Property; or (5) otherwise, in Purchaser's reasonable business judgment,
results in a loss of value in excess of $200,000 (any of the foregoing, a
"Material Taking"), Purchaser may, at Purchaser's sole option, elect either to:

            (a) terminate this Agreement and receive back the Deposit subject to
Purchaser's obligations under Section 5.1(b)(iv), Section 5.2 and Section 5.3;
or

            (b) purchase the Property subject to and in accordance with this
Agreement.

      In the event of condemnation or taking that does not constitute a Material
Taking, or if there is a Material Taking but Purchaser elects to proceed under
Section 6.4(b), (1) Purchaser shall purchase the Property in accordance with the
terms hereof (without reduction in the Purchase Price), (2) Seller shall assign
to Purchaser at Closing all condemnation proceeds and rental interruption
insurance paid or payable as a result of such condemnation, (3) Purchaser shall
have the right to be present with Seller at any hearings or negotiations with
respect thereto, and (4) Seller shall not settle or compromise and such matter
without Purchaser's prior written consent. Purchaser shall be deemed to have
elected to terminate this Agreement under Section 6.4(a) unless, within ten (10)
Business Days from written notice to Purchaser of the condemnation, Purchaser
provides Seller with written notice that Purchaser elects to proceed pursuant to
Section 6.4(b). If the Closing Date would otherwise occur sooner, it shall

                                       7
<PAGE>

automatically be extended to the date that is fifteen (15) Business Days after
written notice to Purchaser of the Material Taking.

      SECTION 6.5. LEASING AND OTHER ACTIVITIES PRIOR TO CLOSING.

            (a) During the term of this Agreement, Seller shall not enter into
any Lease Transaction (other than the Required Amendment) without Purchaser's
prior written consent, which consent may be given or withheld in Purchaser's
sole discretion.

            (b) During the Restricted Period, Seller shall not enter into any
new Contracts or material modifications, renewals or terminations of any
existing Contracts that would impose any obligations on Purchaser or on the
Property after Closing, without the written consent of Purchaser, which consent
may be granted or denied in Purchaser's sole discretion. In its request for
Purchaser's approval under this Section 6.5(b), Seller shall include the
following notice: "NOTE: FAILURE TO RESPOND WITHIN THE TIME PERIOD SET FORTH IN
SECTION 6.5(b) WILL RESULT IN A DEEMED APPROVAL". If Seller so requests
Purchaser's approval and Purchaser does not notify Seller in writing of its
consent or disapproval within ten (10) Business Days after notice thereof from
Seller, Purchaser shall be deemed to have consented to such requested action.
Without limiting the foregoing approval rights, Seller shall provide Purchaser
with prompt notice of any new Contracts or material modifications, renewals or
terminations of any such contracts, together with complete copies of the
documents relating thereto, in the event that any of the same would impose any
obligations on Purchaser or the Property after Closing.

            (c) During the Restricted Period, Seller shall not, without
Purchaser's prior written approval, (i) make any material alterations or
additions to the Property, except as may be required by law or contemplated by
the Lease or as may reasonably be required for the prudent repair and
maintenance of the Property, (ii) change or attempt to change (or consent to any
change in) the zoning or other Legal Requirements applicable to the Property,
except and to the extent contemplated by the Lease or (iii) cancel, amend or
modify in any material respect any Permit, except and to the extent contemplated
by the Lease.

            (d) At all times prior to Closing and during the term of this
Agreement, Seller shall: (i) maintain the Property in good condition and repair,
subject to Tenant's rights under the Lease; (ii) use commercially reasonable
efforts to maintain its relations with the Tenant and otherwise conduct business
with respect to the Property in a commercially reasonable manner; (iii) perform
its obligations under the Lease, the Contracts and the Permitted Exceptions
(and, as applicable, use commercially reasonable efforts to enforce the
obligations of Tenant under the Lease); (iv) insure, or cause to be insured, the
Improvements at 100% of replacement cost, and maintain liability and other
insurance in accordance with generally prevailing industry standards, except to
the extent that such insurance obligations are Tenant's responsibility under the
Lease; (v) not sell or further encumber the Property or any direct or indirect
interest therein or enter into any agreement relating thereto, and (vi) promptly
give Purchaser a reasonably detailed written notice of any of the following
during the term of this Agreement: (1) any fire, flood or other material adverse
change with respect to the Property of which Seller obtains actual knowledge;
(2) any actual or proposed condemnation (or proceeding in lieu thereof) of which
Seller obtains actual knowledge; (3) any written notice received by Seller
during the term of this Agreement claiming that the Property or the use and
operation thereof fails to comply with any Legal Requirements; (4) any written
notice given or received by Seller claiming that Seller or the Tenant is default
under any Lease; and (5) any written notice received by Seller concerning any
pending or threatened litigation or administrative proceeding affecting the
Property. If Seller becomes aware during the term of this Agreement of any
matters that render any of its representations or warranties untrue, Seller
shall promptly disclose such matters to Purchaser in writing.

                                       8
<PAGE>

                                    ARTICLE 7

               AS-IS SALE; LIMITED REPRESENTATIONS AND WARRANTIES

      SECTION 7.1. AS-IS SALE.

            (a) Purchaser acknowledges that it is an experienced and
sophisticated purchaser of commercial real estate projects such as the Property
and that, prior to the Closing, it will have a full and complete opportunity to
conduct such investigations, examinations, inspections and analysis of the
Property and market conditions as Purchaser, in its absolute discretion, may
deem appropriate. Purchaser further acknowledges that, except for Seller
Representations, Purchaser has not relied upon any statements, representations
or warranties by Seller or any agent of Seller.

            (b) Except for the Seller Representations, Purchaser agrees that the
Property shall be sold and that Purchaser shall accept possession of the
Property on the Closing Date strictly on an "as is, where is, with all faults"
basis, and that, except for the Seller Representations, such sale shall be
without representation or warranty of any kind by Seller, express or implied,
and at the Closing Purchaser shall be assuming all liabilities or obligations
pertaining to the Property, except as expressly provided under this Agreement or
any document delivered at the Closing.

      SECTION 7.2. PURCHASER REPRESENTATIONS. Purchaser hereby represents and
warrants to Seller as follows:

            (a) Purchaser is a limited liability company, duly formed, validly
existing and in good standing under the laws of the Commonwealth of
Massachusetts. This Agreement constitutes the valid and legally binding
obligation of Purchaser, enforceable against Purchaser in accordance with its
terms.

            (b) There are no actions, suits or proceedings pending or, to the
knowledge of Purchaser, threatened, against or affecting Purchaser which, if
determined adversely to Purchaser, would adversely affect its ability to perform
its obligations hereunder. Purchaser has not (a) made a general assignment for
the benefit of creditors, (b) filed any voluntary petition in bankruptcy or
suffered the filing of an involuntary petition of Purchaser's creditors, (c)
suffered the appointment of a receiver to take possession of all, or
substantially all, of Purchaser's assets, (d) suffered the attachment or other
judicial seizure of all, or substantially all, of Purchaser's assets, (e)
admitted in writing it inability to pay its debts as they come due or (f) made
an offer of settlement, extension or composition to its creditors generally.
Purchaser has full right, power and authority and is duly authorized to enter
into this Agreement, to perform each of the covenants on its part to be
performed hereunder and to execute and deliver, and to perform its obligations
under all documents required to be executed and delivered by it pursuant to this
Agreement.

            (c) Neither the execution, delivery or performance of this Agreement
nor compliance herewith (i) conflicts or will conflict with or results or will
result in a breach of or constitutes or will constitute a default under (1) the
organizational documents of Purchaser, (2) to the best of Purchaser's knowledge,
any law or any order, writ, injunction or decree of any court or governmental
authority, or (3) any agreement or instrument to which Purchaser is a party or
by which it is bound or (ii) results in the creation or imposition of any lien,
charge or encumbrance upon its property pursuant to any such agreement or
instrument.

                                       9
<PAGE>

            (d)   No authorization, consent, or approval of any governmental
authority (including courts) is required for the execution and delivery by
Purchaser of this Agreement or the performance of its obligations hereunder.

            (e)   Purchaser acknowledges and agrees that the Property is subject
to the terms of the Lease and Tenant's right to possession and occupancy of the
Property as described in Section 8.6 below.

            SECTION 7.3. SELLER'S REPRESENTATIONS. Seller warrants and
represents to Purchaser as follows:

            (a)   REPRESENTATIONS CONCERNING SELLER.

            (i)   Seller is a corporation, duly formed, validly existing and in
good standing under the laws of the State of Michigan. This Agreement
constitutes the valid and legally binding obligation of Seller, enforceable
against Seller in accordance with its terms;

            (ii)  There are no actions, suits or proceedings pending or, to the
knowledge of Seller, threatened, against or affecting Seller which, if
determined adversely to Seller, would adversely affect its ability to perform
its obligations hereunder. Seller has not (a) made a general assignment for the
benefit of creditors, (b) filed any voluntary petition in bankruptcy or suffered
the filing of an involuntary petition of Seller's creditors, (c) suffered the
appointment of a receiver to take possession of all, or substantially all, of
Seller's assets, (d) suffered the attachment or other judicial seizure of all,
or substantially all, of Seller's assets, (e) admitted in writing it inability
to pay its debts as they come due or (f) made an offer of settlement, extension
or composition to its creditors generally. Seller has full right, power and
authority and is duly authorized to enter into this Agreement, to perform each
of the covenants on its part to be performed hereunder and to execute and
deliver, and to perform its obligations under all documents required to be
executed and delivered by it pursuant to this Agreement;

            (iii) Neither the execution, delivery or performance of this
Agreement nor compliance herewith (a) conflicts or will conflict with or results
or will result in a breach of or constitutes or will constitute a default under
(1) the organizational documents of Seller, (2) to the best of Seller's
knowledge, any law or any order, writ, injunction or decree of any court or
governmental authority, or (3) any agreement or instrument to which Seller is a
party or by which it is bound or (b) results in the creation or imposition of
any lien, charge or encumbrance upon the Property pursuant to any such agreement
or instrument;

            (iv)  No authorization, consent, or approval of any governmental
authority (including courts) is required for the execution and delivery by
Seller of this Agreement or the performance of its obligations hereunder;

            (v)   Seller is not a "foreign person" or "disregarded" entity" as
defined in Section 1445 of the Code; Seller's taxpayer identification number is
38-1859358;

            (b)   REPRESENTATIONS CONCERNING THE PROPERTY.

            (i)   The Lease:

                  (A)   Seller has delivered to Purchaser a true, correct and
                        complete copy of the Lease;

                                       10
<PAGE>

                  (B) The Lease is in full force and effect, has not been
amended, modified or supplemented, and constitutes the entire agreement between
the Seller and the Tenant concerning the Property, except that Tenant may agree
to purchase certain personal property of Seller that shall remain at the
Property;

                  (C) There is no default by the Seller or Tenant under the
Lease or, to the best of Seller's knowledge, any condition or event that, with
the passage of time or giving of notice, or both, would constitute such a
default. The Tenant is not currently entitled to any reduction in or refund of,
and has no counterclaim or offset against, and is not otherwise disputing, any
rents or other charges paid, payable or to become payable by the Tenant under
the Lease or any of the Tenant's other obligations under the Lease (provided,
however, that Tenant has certain offset rights expressly set forth in Section
14.22 of the Lease, which are not applicable at this time). There are no options
or rights to renew, extend or terminate the Lease, except as expressly set forth
in the Lease. The Tenant has not notified Seller its intent to terminate or
attempt to renegotiate its Lease prior to expiration of the term of such Lease.
To the knowledge of the Seller, the Tenant has not entered into any assignment
or sublease with respect to the Lease;

                  (D) Except as disclosed on Exhibit C, Tenant has not provided
any security deposit in connection with the Lease;

                  (E) There are no free rent, operating expense abatements,
incomplete tenant improvements, rebates, allowances, or other unexpired
concessions or landlord obligations except as expressly set forth in the Lease;

                  (F) To Seller's actual knowledge, other than the Lease, there
are no other leases, licenses or other occupancy agreements affecting all or any
portion of the Property, except as set forth in the Title Commitment and there
are no tenants or other occupants of all or any part of the Property other than
the Tenant under the Lease;

                  (G) At the Closing, the landlord's interest in the Lease will
be assigned to Purchaser;

                  (H) To the actual knowledge of the Seller, the Tenant is not
the subject of any bankruptcy, reorganization, insolvency or similar
proceedings;

                  (I) (a) The execution date of the Lease was February 11, 2005;
the rent commencement date of the Lease will be the first day of the month
following ninety (90) days after the date that the Seller has fully exited the
Building (as such term is defined in the Lease); and the expiration date of the
initial term of the Lease is sixty-six (66) months following the Rent
Commencement Date under the Lease; (b) There are no options remaining
unexercised on the part of the Tenant to renew the Lease except as expressly set
forth in the Lease; and (c) Monthly basic rent is payable as and when set forth
in the Lease;

                  (J) (a) Landlord has not received any notice from Tenant of
any defects in the Property or any related improvements or facilities; (b)
Tenant has not delivered any notice alleging any defect or deficiency in the
work relating to the Property or any related improvements or facilities; and

                                       11
<PAGE>

(c) Landlord has satisfied, or shall satisfy before the Closing Date, any and
all commitments made to induce Tenant to enter in to the Lease;

            (ii)  Lease Brokerage. Seller has entered into a lease brokerage
agreement in connection with the execution and delivery of the Lease by Tenant.
As of the Closing Date, no brokerage or similar fee shall be due or unpaid by
the Seller with respect to the Lease or the Property. No brokerage or similar
fee shall be due or payable by the Purchaser on account of the exercise of any
renewal, extension or expansion options arising under the Lease;

            (iii) Contracts. No contracts will be assigned to Purchaser in
connection with Purchaser's acquisition of the Property pursuant to this
Agreement, and Purchaser shall have no obligations under any Contracts;

            (iv)  Warranties, Permits and Related Matters.

                  (A) Seller will use commercially reasonable efforts to locate
existing roof warranty on or before the Closing Date (the "Warranty"). A true
and correct copy of any such existing Warranty will be delivered to Purchaser
and shall be duly assigned to Purchaser at Closing at Seller's sole expense;

                  (B) To the best of Seller's actual knowledge, the Property is
in compliance in all material respects with all Legal Requirements, and the
Seller has no actual knowledge of any claim of violation of any Legal
Requirement;

                  (C) To the best of Seller's knowledge, Seller has obtained (or
Tenant shall obtain) all licenses, permits, variances, approvals, and
authorizations required from all governmental authorities having jurisdiction
over the Property or from private parties for the intended development,
construction, use, operation and occupancy of the Property and to insure
vehicular and pedestrian ingress to and egress from the Property (collectively,
the "Permits"). To the best of Seller's knowledge, all appeal periods with
respect to any existing Permits have expired and no appeals have been filed
(other than with respect to any Permits obtained by Tenant);

                  (D) Seller has not received any written notice from any
insurance company, insurance rating organization or Board of Fire Underwriters
requiring any alterations, improvements or changes at the Property, or any
portion thereof;

                  (E) To the best of Seller's actual knowledge and excluding any
obligation or agreement of Tenant, other than real estate taxes and assessments,
Seller has no obligations to any governmental authority, adjacent property owner
or other Person for the payment (or for any donations in lieu of payment) or
performance of any infrastructure, capital improvements or other work in
connection with the development or ownership of the Property;

            (v)   Litigation and Other Proceedings.

                  (A) No condemnation or eminent domain proceedings are pending
or, to Seller's knowledge, threatened against the Property or any part thereof,
and the Seller has not made any commitments to or received any written notice of
the desire of any public authority or other entity to take or use the Property
or any part thereof whether temporarily or permanently, for easements,
rights-of-way, or other public or quasi-public purposes;

                                       12
<PAGE>

                  (B) There are no pending, or to Seller's knowledge,
threatened, judicial or administrative proceedings or investigations affecting
or relating to the development, construction, use, operation or ownership of the
Property;

            (vi)  Taxes. The Seller has delivered true and correct copies of tax
bills issued by any applicable state or local governmental taxing authorities
issued to the Seller with respect to the Property for the most recent past and
current tax years, and any new assessment received with respect to a current or
future tax year. The Real Property's tax parcel ID number is 23-31-101-026 and
the Real Property is entirely located within such tax parcel ID number (and no
property other than the Real Property is located therein). Seller is not aware
of any special assessments pertaining to the Property;

            (vii) (Reserved);

            (viii) Hazardous Materials. To the actual knowledge of Seller: (i)
there is no violation of nor any existing investigation by any governmental
authority under any Environmental Law with respect to the Property, (ii) any
handling, storage, treatment or use of Hazardous Materials that has occurred at
the Property has been in compliance with all applicable Environmental Laws, and
(iii) there are no underground storage tanks located at, on or under the
Property;

            (ix)  No Preemptive Rights. The Seller has not granted any option or
right of first refusal or first opportunity to any party to acquire any interest
in any of the Property, except for the Tenant's rights under Section 14.18 of
the Lease that will be terminated by the Required Amendment;

            (x)   Reports and Other Information.

                  (A) Seller will deliver or make available to Purchaser
(without representation or warranty, express or implied, as to the completeness
or accuracy thereof) true and complete copies of the Reports (as such term is
defined in Schedule 5.1);

                  (B) The plans and specifications for the Improvements, Lease,
Permits, Warranties, operating statements, income and expense reports, and all
other agreements, books and records relating to the Property will be delivered
or made available by Seller to Purchaser in connection with this Agreement;

                  (C) To the Seller's actual knowledge, the Seller has not
failed to deliver to Purchaser a copy of any written report or document in
Seller's possession or control that materially affects the development,
ownership, leasing, value or use of the Property;

            (xi)  Seller Representative. For the purposes of this Agreement the
"Designated Seller Representatives" are Tammy Ghanem, the Senior Corporate
Counsel of Seller and Mark Cryderman, the North American Director, Sales and
Marketing, for the Laser Division of Seller, who have occupied such positions
for, respectively, four (4) years and one and one-half (1 -1/2) years, and have
been actively involved in, and are familiar with, the ownership, development,
construction, leasing and operation of the Property (subject to Section 7.4
below). Mark Cryderman shall be considered a Designated Seller Representative
only with respect to the matters in Sections 7.3(b)(i)(C) and (J), Sections
7.3(b)(iv)(B), (C) and (D), Section 7.3(b)(viii) and Section 7.3(b)(x).

      SECTION 7.4. SELLER'S KNOWLEDGE. The only representations made by Seller
are those contained in this Agreement and no oral or written representations
outside of this Agreement are to be relied on. Whenever a representation is
qualified by the phrase "to the best of Seller's knowledge", or by words of
similar import, the accuracy of such representation shall be based solely on the
actual (as opposed to

                                       13
<PAGE>

constructive or imputed) knowledge of the Designated Seller Representatives. The
knowledge of the Designated Seller Representatives shall be without
investigation or inquiry other than:

      (a) as to Mark Cryderman, a reasonable review of the files regarding the
Property in Seller's possession or control (to the extent such files are located
at the Property or were recently removed from the Property in connection with
Seller's relocation from the Property), and

      (b) as to Tammy Ghanem, a reasonable review of Seller's files and
reasonable inquiries of Seller's agents (including property managers and leasing
agents), officers and employees who are familiar with the development, ownership
and leasing of the Property.

                                    ARTICLE 8

                                     CLOSING

      SECTION 8.1. CLOSING DATE. The Closing shall take place at 1:00 p.m. on
the Closing Date. Unless the parties otherwise agree in writing, the Closing
shall be conducted through a customary escrow arrangement with the Title Company
and, on or before the Closing Date, the Seller shall deliver to the Title
Company or Purchaser the documents listed in Section 8.2 and the Purchaser shall
deliver to the Title Company the documents and funds described in Section 8.3.

      SECTION 8.2. SELLER'S DELIVERIES. At the Closing, Seller shall deliver or
cause to be delivered to Purchaser (or its nominee), at Seller's sole expense,
each of the following items:

            (a) (i) A statutory form of warranty deed in the form attached
hereto as Exhibit E, conveying good and marketable fee simple title, subject
only to the Permitted Exceptions, in proper form for recording, (ii) (Reserved),
(iii) an Assignment and Assumption Agreement in the form attached hereto as
Exhibit G, in proper form for recording, (iv) the Representation Update
Certificate in the form attached hereto as Exhibit H, (v) the Closing Statement,
and (vi) a non-foreign person certificate sworn to by Seller as required by
Section 1445 of the Code, all duly executed (and, when required, acknowledged)
by Seller;

            (b) At least two originals of the Lease;

            (c) All keys in Seller's possession or control to all locks on the
Improvements;

            (d) (Reserved);

            (e) Such evidence or documents as may be reasonably required by the
Title Company or Purchaser relating to: (i) mechanics' or construction liens;
(ii) parties in possession; or (iii) the status and capacity of Seller and the
authority of the Person or Persons who are executing the various documents on
behalf of Seller in connection with the sale of the Property;

            (f) To the extent that any of the following are in Seller's
possession or control, copies or originals of all books, records and other
documents in the possession or control of Seller and material to Purchaser's
ownership or operation of the Property, including Tenant correspondence and
credit files, the Permits (other than those obtained by Tenant), as-built
drawings, and the original Plans and Specifications that have not previously
been delivered to Purchaser;

            (g) At least two original Tenant estoppel certificates;

            (h) At least two original SNDAs;

                                       14
<PAGE>

            (i) A notice letter to the Tenant. Such notice shall be prepared by
Purchaser and reasonably approved by Seller, shall notify the Tenant of the sale
and shall contain appropriate instructions relating to the payment of future
rentals, the giving of future notices, the naming of Purchaser (or its nominee)
on insurance policies carried by Tenant, and other matters reasonably required
by Purchaser or required by law. Unless a different procedure is required by
applicable law, in which event such law shall be controlling, Purchaser agrees
to transmit or otherwise deliver such letters to the Tenant promptly after the
Closing;

(j)   AT LEAST TWO ORIGINALS OF ANY APPLICABLE REA ESTOPPELS ;

(k)   ANY CERTIFICATE OF OCCUPANCY AND OTHER PERMITS IN SELLER'S POSSESSION;

            (l) The Warranty, if applicable, including all related manuals and
any consents necessary in order for the Warranty to be duly assigned to
Purchaser as of the Closing;

            (m) Payoff letters or evidence of release and discharge of all
mortgages, mechanics' and construction liens and attachments, and other
encumbrances on the Property; and

            (n) Such other documents as are consistent with the terms of this
Agreement and reasonably required to close the transaction contemplated hereby.

      SECTION 8.3. PURCHASER'S DELIVERIES. At the Closing, Purchaser shall
deliver into escrow the following items:

            (a) Immediately available federal funds sufficient to pay the
Purchase Price (less the Deposit) and Purchaser's share of all escrow costs and
closing expenses;

            (b) Duly executed and acknowledged originals of the Assignment and
Assumption Agreement and the Closing Statement;

            (c) Such evidence or documents as may reasonably be required by the
Title Company evidencing the status and capacity of Purchaser and the authority
of the Person or Persons who are executing the various documents on behalf of
Purchaser in connection with the purchase of the Property;

            (d) Such other documents as are consistent with the terms of this
Agreement and reasonably required to close the transaction contemplated hereby;
and

            (e) The Representation Update Certificate in the form attached
hereto as Exhibit H.

                                       15
<PAGE>

      SECTION 8.4. COSTS AND PRORATIONS.

      (a) GENERAL. Real estate taxes (on a due date basis as if paid in advance)
and installments of special assessments due and payable before and including the
Closing Date, personal property taxes, if any, rental income and all other items
of income and expense with respect to the Property shall be prorated between
Seller and Purchaser as of the Closing Date in accordance with this Section 8.4.
Except as otherwise provided in this Section 8.4, income and expenses shall be
prorated on the basis of a 30-day month as if paid in advance. All such items
attributable to the period prior to the Closing Date shall be credited or
charged to Seller, and all such items attributable to the period commencing on
the Closing Date shall be credited or charged to Purchaser.

      (b) RENTS. The fixed and minimum rents and all additional rents,
escalation charges, common area maintenance charges, imposition charges, heating
and cooling charges, insurance charges, charges for utilities, percentage rent,
and all other rents, charges and commissions (collectively, the "Rents") payable
by the Tenant, to the extent collected by Seller on or prior to the Closing Date
and which represent payments of Rents applicable to a period of time subsequent
to the Closing Date, shall be prorated between Seller and Purchaser at Closing.
Purchaser shall be credited at Closing with (i) all security or other deposits
paid by the Tenant with respect to the Property; and (ii) rent prepaid beyond
the Closing Date.

      (c) ARREARS. Any of the Rents which are due and payable by the Tenants
with respect to the period prior to the Closing Date, but which have not been
collected by Seller on or prior to the Closing Date, or payment of which has
been deferred until after the Closing Date (the "Arrearage Rents") shall not be
prorated at Closing. Any Arrearage Rents that are paid after the Closing Date
shall be paid to Seller, and if the Arrearage Rents are received by Purchaser,
Purchaser shall pay the Arrearage Rents to Seller promptly after collection by
Purchaser; provided, however, that all Rents collected after the Closing Date
shall be applied first to payment of all amounts due Purchaser and second to all
Arrearage Rents due to Seller. Purchaser shall have no obligation to commence
any action to enforce the obligation of Tenant to pay the Arrearage Rents.

      (d) UNKNOWN RENTS. As used herein, the term "Unknown Rents" means any
Rents that have accrued as the Closing but are not due and payable on the
Closing Date: (i) because the lease year or other fiscal period for which such
Rents are to be computed has not yet expired (including, by way of example only,
escalation charges and percentage rents), or (ii) because for any other reason
the amount of such Rents cannot be calculated on the Closing Date. Unknown Rents
shall not be prorated at Closing but shall be apportioned promptly after
expiration of the applicable lease year or other fiscal period and collection of
the Unknown Rents. Purchaser shall make reasonable efforts to ascertain the
amount of the Unknown Rents (but shall not be obligated to commence any action
or proceeding to collect Unknown Rents), and when the amounts of the Unknown
Rents are ascertained and collected by Purchaser, Purchaser shall promptly pay
to Seller a portion (the "Pro Rata Share") of the Unknown Rents determined by
multiplying the Unknown Rents collected by a fraction, the numerator of which is
the number of days in the applicable Lease year or other fiscal period up to but
excluding the Closing Date and the denominator of which is the number of days in
the lease year or other fiscal period, less any monies Seller has previously
received on account of the Unknown Rents and Seller's Pro Rata Share of the
third party expenses incurred by Purchaser in the collection of the Unknown
Rents. In the event it is determined after Closing that the amount of the
Unknown Rents received by Seller exceeds the Seller's Pro Rata Share, Seller
shall promptly pay such excess to Purchaser upon demand.

      (e) TAXES. All real estate taxes assessed against the Property shall be
prorated between Seller and Purchaser on a due date basis as if paid in advance
based upon the actual current tax bill (e.g., the Winter 2004 tax bill and the
Summer 2005 tax bill). If the most recent tax bill received by Seller

                                       16
<PAGE>

before the Closing Date is not the actual current tax bill, then Seller and
Purchaser shall initially prorate the taxes at the Closing by applying 100% of
the tax rate for the period covered by the most current available tax bill to
the latest assessed valuation, and shall reprorate the taxes retroactively when
the actual current tax bill is then available. All real estate taxes due and
payable before the Closing Date shall be the obligation of Seller and all such
taxes due and payable on and after the Closing Date shall be the obligation of
Purchaser. Purchaser acknowledges that Purchaser shall be responsible for any
tax reimbursement due to Tenant pursuant to Section 2.02(c) of the Lease.

      (f) ASSESSMENT INSTALLMENTS. If as of the Closing Date the Property is
encumbered or otherwise affected by any special assessment (whether or not a
lien) which is or may become payable in installments (which the Tenant is not
required to pay under the provisions of the Lease), then for the purposes of
this Agreement, all installments of such assessments that are due and payable
prior to the Closing Date shall either be paid directly by Seller, or Purchaser
shall be entitled to receive a credit against the Purchase Price in an amount
equal to all unpaid installments of such assessments, and in such event
Purchaser shall take title to the Property subject to the unpaid installments
not yet due and payable.

      (g) UTILITIES. To the extent not payable directly by the Tenant, the
actual or estimated charges for utilities accrued and payable by Seller shall be
prorated between Seller and Purchaser. Deposits for utilities (the "Utility
Deposits"), plus any interest on the Utility Deposits to which Seller is or will
be entitled that are held by the provider of the utilities shall be paid to
Seller, or it transferable to Purchaser, shall at the election of the Purchaser
be assigned by Seller to Purchaser and Purchaser shall pay Seller the full
amount thereof at Closing. Seller shall retain the right to obtain a refund of
any Utility Deposits which are not required to be assigned to Purchaser, and
Purchaser will cooperate with Seller as reasonably requested in obtaining any
refund. The parties acknowledge that under the Lease, as of the Access Date,
Tenant is responsible for utility charges.

      (h) (Reserved)

      (i) CLOSING COSTS. Purchaser and Seller shall each pay their own legal
fees related to the preparation of this Agreement and all documents required to
settle the transaction contemplated hereby. Purchaser shall pay all costs
associated with its due diligence, including the cost of appraisals,
architectural, engineering, credit and environmental reports. Each party shall
pay one-half of the reasonable charges for the escrow services of the Title
Company. Seller shall pay all recording fees in connection with the release of
any encumbrances on the Property, the cost of a current ALTA survey for the
Property (up to the amount of $5,640) and all transfer taxes and documentary
stamp charges and all owner's title insurance premiums (exclusive of any
endorsements). Purchaser shall pay the cost of recording the Deed, the cost of
any endorsements to Purchaser's title policy and any survey costs that are not
Seller's responsibility pursuant to the previous sentence. All other customary
purchase and sale closing costs shall be paid by Seller or Purchaser in
accordance with the custom in the jurisdiction where the Property is located.

      (j) CLOSING STATEMENT. Purchaser and Seller shall cooperate to produce
prior to the Closing Date a schedule of prorations to be made as of the Closing
Date in accordance with the terms of this Agreement (the "Closing Statement").

      SECTION 8.5. POSSESSION. Possession of the Property shall be delivered to
Purchaser by Seller at the Closing, subject only to the Lease and the Permitted
Exceptions.

      SECTION 8.6. PURCHASE SUBJECT TO LEASE. Purchaser acknowledges and agrees
that Purchaser is purchasing the Property and taking possession of the Property
subject to the rights of Tenant under the Lease, and subject to the terms,
provisions and obligations of Seller as landlord and Tenant as tenant

                                       17
<PAGE>

under the Lease. Purchaser shall assume all obligations of Seller as landlord
under the Lease at the Closing pursuant to this Agreement and any documents
delivered at the Closing. Notwithstanding any representation, warranty,
condition, covenant or agreement to the contrary set forth in this Agreement,
Purchaser acknowledges and agrees that Seller is not in full possession or
control of the Property due to Tenant's rights under the Lease, and that Tenant
has the rights and obligations set forth in the Lease pertaining to the Property
with respect to Permits, the condition of title to the Property, personal
property, Tenant's employees, fixtures and improvements to be constructed at the
Property and other matters as set forth in the Lease. Except as expressly set
forth in this Agreement, Seller makes no representation or warranty pertaining
to any obligations of Tenant under the Lease.

                                    ARTICLE 9

                             REAL ESTATE COMMISSION

      SECTION 9.1. COMMISSIONS.

      (a) If and when, but only if and when, the Closing is completed and the
Purchase Price is paid in full, Seller shall be obligated to pay a real estate
commission and/or brokerage fee to Seller's Broker in accordance with a separate
agreement between Seller and Seller's Broker. Such commissions shall be paid in
full at Closing.

      (b) Seller represents, warrants and covenants to Purchaser that, except
for Seller's Broker, Seller has not dealt with any real estate agent or broker
in connection with the transaction contemplated hereby. Seller shall indemnify
Purchaser against all claims, costs and liability (including reasonable
attorneys' fees) arising from or relating to any claims by Seller's Broker
and/or any other broker or other Person claiming any commission or similar
compensation by, through or under Seller or Seller's Broker.

      (c) Purchaser represents, warrants and covenants with Seller that, except
for Seller's Broker, Purchaser has not dealt with any real estate agent or
broker in connection with the transaction contemplated hereby.

      The provisions of this Section 9.1 shall survive the Closing.

                                   ARTICLE 10

                             TERMINATION AND DEFAULT

      SECTION 10.1. TERMINATION WITHOUT DEFAULT. If the sale of the Property is
not consummated because of the failure of any condition precedent to Purchaser's
obligations expressly set forth in this Agreement or for any other reason except
a default by Purchaser in its obligation to purchase the Property in accordance
with the provisions of this Agreement (which shall be governed by Section 10.2)
or any default by Seller of its obligations under this Agreement (which shall be
governed by Section 10.3), the Deposit shall promptly be returned to Purchaser
and neither Party shall have any further obligations hereunder, except for
Purchaser's obligations under Section 5.1(b)(iv), Section 5.2 and Section 5.3.

      SECTION 10.2. PURCHASER'S DEFAULT. If the sale contemplated hereby is not
consummated because of a default by Purchaser in its obligation to purchase the
Property in accordance with the terms of this Agreement, and if such default is
not cured within ten (10) days from written notice thereof from Seller to
Purchaser (or any other cure period provided in this Agreement, or if such
default cannot be reasonably cured within such ten (10) day period, such
additional period as may be reasonably necessary to cure such default), then:
(a) this Agreement shall terminate except for Purchaser's obligations under

                                       18
<PAGE>

Section 5.1(b)(iv), Section 5.2 and Section 5.3; (b) the Deposit shall be paid
to and retained by Seller as liquidated damages; and (c) Seller and Purchaser
shall have no further obligations to each other except for Purchaser's
obligations under Section 5.1(b)(iv), Section 5.2 and Section 5.3. PURCHASER AND
SELLER ACKNOWLEDGE THAT THE DAMAGES TO SELLER IN THE EVENT OF A BREACH OF THIS
AGREEMENT BY PURCHASER WOULD BE DIFFICULT OR IMPOSSIBLE TO DETERMINE, THAT THE
AMOUNT OF THE DEPOSIT REPRESENTS THE PARTIES' BEST AND MOST ACCURATE ESTIMATE OF
THE DAMAGES THAT WOULD BE SUFFERED BY SELLER IF THE TRANSACTION SHOULD FAIL TO
CLOSE AND THAT SUCH ESTIMATE IS REASONABLE UNDER THE CIRCUMSTANCES EXISTING AS
OF THE DATE OF THIS AGREEMENT AND UNDER THE CIRCUMSTANCES THAT SELLER AND
PURCHASER REASONABLY ANTICIPATE WOULD EXIST AT THE TIME OF SUCH BREACH.
PURCHASER AND SELLER AGREE THAT SELLER'S RIGHT TO RETAIN THE DEPOSIT SHALL BE
SELLER'S SOLE REMEDY, AT LAW AND IN EQUITY, FOR PURCHASER'S FAILURE TO PURCHASE
THE PROPERTY IN ACCORDANCE WITH THE TERMS OF THIS AGREEMENT.

      SECTION 10.3. SELLER'S DEFAULT. If Seller defaults in its obligation to
sell the Property to Purchaser in accordance with the terms of this Agreement,
and if such default is not cured within ten (10) days from written notice
thereof from Purchaser to Seller (or any other cure period provided in this
Agreement, or if such default cannot be reasonably cured within such ten (10)
day period, such additional period as may be reasonably necessary to cure such
default), then Purchaser may, as its sole and exclusive remedy at law or in
equity: (a) terminate this Agreement by giving written notice thereof to Seller,
in which event the Deposit will promptly be returned to Purchaser, Seller
promptly shall reimburse Purchaser for the actual, reasonable third party costs
that Purchaser has incurred in connection with this Agreement and the
transaction contemplated hereby (provided, however, that the aggregate amount of
such third party costs will not exceed Forty Thousand Dollars [$40,000]), and
the parties shall have no further obligation to each other except for
Purchaser's obligations under Section 5.1(b)(iv), Section 5.2 and Section 5.3;
(b) waive such default and consummate the transactions contemplated hereby in
accordance with the terms of this Agreement; or (c) specifically enforce this
Agreement. Purchaser hereby irrevocably waives any other right or remedy for
such default; provided, however, that if, in breach of this Agreement, Seller
sells the Property (or any portion thereof) to someone other than Purchaser or
otherwise takes action that renders the remedy of specific performance
impossible or impractical to obtain, Seller shall be liable for any damages
suffered by Purchaser as a result of such breach. If Purchaser brings an action
for specific performance, the Deposit shall be returned to Purchaser pending the
outcome of such action.

      SECTION 10.4. BREACH OF REPRESENTATIONS. The representations and
warranties of Seller and Purchaser set forth in this Agreement or in any
document or certificate delivered by Seller or Purchaser in connection herewith
shall survive the Closing for a period of twelve (12) months (the "Claim
Period"), and no action or proceeding thereon shall be valid or enforceable, at
law or in equity, unless within such time, written notice thereof is given to
the other party.

      SECTION 10.5. MUTUAL INDEMNIFICATIONS.

            (a) From and after the Closing, Seller shall indemnify Purchaser and
defend and hold Purchaser harmless from and against any and all claims, demands,
liabilities, costs, expenses, penalties, damages and losses, including actual,
reasonable attorneys' fees, resulting from any misrepresentation or breach of
warranty by Seller in this Agreement or in any document, certificate, or exhibit
given or delivered by Seller pursuant to or in connection with this Agreement.

            (b) From and after the Closing, Purchaser shall indemnify Seller and
defend and hold Seller harmless from and against any and all claims, demands,
liabilities, costs, expenses, penalties,

                                       19
<PAGE>

damages and losses, including actual, reasonable attorneys' fees, resulting from
any misrepresentation or breach of warranty made by Purchaser in this Agreement
or in any document, certificate, or exhibit given or delivered by Purchaser
pursuant to or in connection with this Agreement.

            (c) Seller shall indemnify Purchaser and defend and hold Purchaser
harmless from and against any and all claims, demands, liabilities, costs,
expenses, penalties, damages and losses, including actual, reasonable attorneys'
fees, asserted against, incurred or suffered by Purchaser resulting from any
personal injury or property damage occurring in, on or about the Property or
relating thereto and occurring during any period in which Seller or its
affiliates owned the Property, from any cause whatsoever other than as a
consequence of either (x) the acts or omission of Tenant, its agents, employees
or contractors or (y) the acts or omissions of Purchaser, its agents, employees
or contractors.

            (d) Purchaser shall indemnify Seller and defend and hold Seller
harmless from any claims, losses, demands, liabilities, costs, expenses,
penalties, damages and losses, including actual, reasonable attorneys' fees,
asserted against, incurred or suffered by Seller resulting from any personal
injury or property damage occurring in, on or about the Property or relating
thereto and occurring during any period in which Purchaser or its affiliates
owns the Property or as provided in Section 5.1(b), from any cause whatsoever
other than as a consequence of the acts or omissions of Seller, its agents,
employees or contractors.

            (e) In the event either party hereto receives notice of a claim or
demand which results or may result in indemnification pursuant to Section 10.5,
such party shall promptly give notice thereof to the other party to this
Agreement. The party receiving such notice shall promptly take such measures as
may be reasonably required to properly and effectively defend such claim, and
may defend same with counsel of its own choosing. In the event the party
receiving such notice fails to properly and effectively defend such claim, and
in the event such party is liable therefor, then the party so giving such notice
may defend such claim at the expense of the party receiving such notice. The
provisions of this Section 10.5 shall survive the Closing for a period of twelve
(12) months.

      SECTION 10.6. SECURITY FOR POST CLOSING LIABILITY. To provide security for
any post Closing claims of Purchaser ("Post Closing Claims") made to enforce any
breach of the representations, warranties, and covenants made by Seller in this
Agreement that expressly survive the Closing, GSI Lumonics Inc., a New
Brusnwick, Canada corporation, to be known as GSI Group Inc. (the "Parent"), the
parent of Seller, shall be principally, jointly and severally liable for
Seller's liability for Post Closing Claims during the Claim Period. The Parent
shall provide written notice to Purchaser within a reasonable amount of time
after changing its name to GSI Group Inc., which notice shall include copies of
appropriate materials evidencing such name change. In connection with Parent's
obligations under this Section 10.6, Parent agrees to be bound by the provisions
of Section 11.2 below.

                                   ARTICLE 11

                                  MISCELLANEOUS

      SECTION 11.1. ENTIRE AGREEMENT; SUCCESSORS AND ASSIGNS; MISCELLANEOUS
PROVISIONS. This Agreement constitutes the entire agreement between the parties
hereto with respect to the transactions contemplated herein, and it supersedes
all prior discussions, understandings or agreements. All Exhibits and Schedules
attached hereto are a part of this Agreement and are incorporated herein by
reference. This Agreement shall be binding upon and inure to the benefit of the
parties hereto and their respective successors and assigns. This Agreement may
be executed in any number of counterparts and it shall be sufficient that the
signature of each party appear on one or more such counterparts, and all
counterparts shall collectively constitute a single agreement. No modification
of this Agreement shall be deemed

                                       20
<PAGE>

effective unless in writing and signed by both Seller and Purchaser. In the
event the time for performance of any obligation hereunder expires on a day that
is not a Business Day, the time for performance shall be extended to the next
Business Day. The descriptive headings of the paragraphs of this Agreement are
inserted for convenience only and shall not control or affect the meaning or
construction of any provisions of this Agreement. Words such as "herein",
"hereinafter", "hereof" and "hereunder" when used in reference to this
Agreement, refer to this Agreement as a whole and not merely to a subdivision in
which such words appear, unless the context otherwise requires. The singular
shall include the plural and vice versa, unless the context otherwise requires.
The word "including" shall not be restrictive and shall be interpreted as if
followed by the words "without limitation." This Agreement 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 primarily by counsel for one
of the parties, it being recognized that both Purchaser and Seller have
contributed substantially and materially to the preparation of this Agreement.

      SECTION 11.2. WAIVER; GOVERNING LAW. The excuse or waiver of the
performance by a party of any obligation of the other party under this Agreement
shall only be effective if evidenced by a written statement signed by the party
so excusing or waiving. No delay in exercising any right or remedy shall
constitute a waiver thereof, and no waiver by Seller or Purchaser of the breach
of any covenant of this Agreement shall be construed as a waiver of any
preceding or succeeding breach of the same or any other covenant or condition of
this Agreement. This Agreement shall be construed and the rights and obligations
of Seller and Purchaser hereunder determined in accordance with the internal
laws of the State of Michigan, without regard to the principles of conflict of
laws. The parties and the Parent agree that all actions or proceedings arising
in connection with this Agreement shall be tried and litigated exclusively in
the State and Federal courts located in the County of Suffolk in the
Commonwealth of Massachusetts. The aforementioned choice of venue is intended by
the parties and the Parent to be mandatory and not permissive in nature, thereby
precluding the possibility of litigation between or among the parties and the
Parent with respect to or arising out of this Agreement in any jurisdiction
other than that specified in this paragraph. Each party and the Parent hereby
waive any right each may have to assert the doctrine of forum non conveniens or
similar doctrine or to object to venue with respect to any proceeding brought in
accordance with this paragraph, and stipulates that the State and Federal courts
located in the County of Suffolk, Commonwealth of Massachusetts shall have in
personam jurisdiction and venue over each of them for the purpose of litigating
any dispute, controversy, or proceeding arising out of or related to this
Agreement. Each party and the Parent hereby authorizes and accepts service of
process sufficient for personal jurisdiction in any action against it as
contemplated by this paragraph by registered or certified mail, return receipt
requested, postage prepaid, to its address for the giving of notices as set
forth in this Agreement. Any final judgement rendered against a party in any
action or proceeding shall be conclusive as to the subject of such final
judgement and may be enforced in other jurisdictions in any manner provided by
law.

      SECTION 11.3. NOTICES. All notices or other communications required or
provided to be sent by either party shall be in writing and shall be sent by:
(i) by United States Postal Service, certified mail, return receipt requested,
(ii) by any nationally known overnight delivery service for next day delivery,
(iii) delivered in person or (iv) sent by telecopier or facsimile machine which
automatically generates a transmission report that states the date and time of
the transmission, the length of the document transmitted and the telephone
number of the recipient's telecopier or facsimile machine (with a copy thereof
sent in accordance with clause (i), (ii) or (iii) above). All notices shall be
deemed to have been given upon receipt. All notices shall be addressed to the
parties at the addresses below:

                                       21
<PAGE>

      To Seller or Parent:     GSI Lumonics Corporation or GSI Lumonics Inc.
                               39 Manning Road
                               Billerica, Massachusetts 01821
                               Attention: General Counsel
                               Fax No. 978-663-9466

      With a copy to:          Bodman LLP
                               110 Miller, Suite 300
                               Ann Arbor, Michigan 48104
                               Attention: Sandra Sorini Elser
                               Fax No. 734-930-2494

      To Purchaser:            STAG Capital Partners, LLC
                               93 Summer Street, 3rd Floor
                               Boston, Massachusetts 02110
                               Attention: Mr. Benjamin S. Butcher
                               Fax No. 617-574-0052

      With a copy to:          DLA Piper Rudnick Gray Cary US LLP
                               One International Place, 21st Floor
                               Boston, Massachusetts  02110-2600
                               Attention: John L. Sullivan, Esq.
                               Fax No. 617-406-6100

Any address or name specified above may be changed by notice given to the
addressee by the other party in accordance with this Section 11.3. The inability
to deliver notice because of a changed address of which no notice was given as
provided above, or because of rejection or other refusal to accept any notice,
shall be deemed to be the receipt of the notice as of the date of such inability
to deliver or rejection or refusal to accept. Any notice to be given by any
party hereto may be given by the counsel for such party.

      SECTION 11.4. ATTORNEYS' FEES. In the event of a judicial or
administrative proceeding or action by one party against the other party with
respect to the interpretation or enforcement of this Agreement, the prevailing
party shall be entitled to recover actual, reasonable costs and expenses
including reasonable attorneys' fees and expenses, whether at the investigative,
pretrial, trial or appellate level. The prevailing party shall be determined by
the court based upon an assessment of which party's major arguments or position
prevailed.

      SECTION 11.5. IRS REAL ESTATE SALES REPORTING. Purchaser and Seller hereby
agree that the Title Company shall act as "the person responsible for closing"
the transaction which is the subject of this Agreement pursuant to Section
6045(e) of the Code and shall prepare and file all informational returns,
including IRS Form 1099-S, and shall otherwise comply with the provisions of
Section 6045(e) of the Code.

      SECTION 11.6. FURTHER INSTRUMENTS. Each party, promptly upon the request
of the other, shall execute and have acknowledged and delivered to the other or
to Title Company, as may be appropriate, any and all further instruments
reasonably requested, necessary and appropriate to evidence or give effect to
the provisions of this Agreement and which are consistent with the provisions of
this Agreement.

      SECTION 11.7. SEVERABILITY. The parties hereto intend and believe that
each provision in this Agreement comports with all applicable local, state and
federal laws and judicial decisions. If, however,

                                       22
<PAGE>

any provision in this Agreement is found by a court of law to be in violation of
any applicable local, state, or federal law, statute, ordinance, administrative
or judicial decision, or public policy, or if in any other respect such a court
declares any such provision to be illegal, invalid, unlawful, void or
unenforceable as written, then it is the intent of all parties hereto that,
consistent with and with a view towards preserving the economic and legal
arrangements among the parties hereto as expressed in this Agreement, such
provision shall be given force and effect to the fullest possible extent, and
that the remainder of this Agreement shall be construed as if such illegal,
invalid, unlawful, void, or unenforceable provision were not contained herein,
and that the rights, obligations, and interests of the parties under the
remainder of this Agreement shall continue in full force and effect.

      SECTION 11.8. Before the Closing Date, neither party shall assign this
Agreement without the prior written consent of the other. Notwithstanding the
foregoing, at or immediately prior to Closing, Purchaser shall have the right to
assign Purchaser's interest in this Agreement to a single purpose entity owned
or controlled by Purchaser upon seven (7) days prior written notice to Seller so
long as Purchaser remains liable for Purchaser's obligations under this
Agreement.

      SECTION 11.9. RECORDING NOTICE. Purchaser shall record no claim of
interest to the Property prior to the Closing Date, unless such recording is
reasonably required in connection with Purchaser's enforcement of this Agreement
pursuant to the terms hereof.

            [The remainder of this page is intentionally left blank;
                            signature page follows.]

                                       23
<PAGE>

      IN WITNESS WHEREOF, Seller and Purchaser hereto have executed this
Agreement as of the Effective Date.

                                   SELLER:

                                   GSI Lumonics Corporation

                                   By: \s\ THOMAS R. SWAIN,
                                       ---------------------------------------
                                       Name: Thomas R. Swain
                                       Title: Vice President & Chief Financial
                                              Officer
                                       Date: June 3, 2005

                                   PURCHASER:

                                   STAG Capital Partners, LLC

                                   By: \s\ BENJAMIN S. BUTCHER
                                       -------------------------
                                       Name: Benjamin S. Butcher
                                       Title: Manager

      Parent executes this Agreement solely to acknowledge its obligations under
Section 10.6.

                                   PARENT

                                   GSI Lumonics Inc.

                                     By: \s\ THOMAS R. SWAIN,
                                         ---------------------------------------
                                         Name: Thomas R. Swain
                                         Title: Vice President & Chief Financial
                                                Officer

                                       24
<PAGE>

                                  SCHEDULE 1.1
                                  DEFINED TERMS

      "Access Date" has the meaning set forth in the Lease.

      "Agreement" has the meaning set forth in the first paragraph of this
document.

      "Arrearage Rents" has the meaning set forth in Section 8.4(c).

      "Business Day" shall mean any day of the week other than (i) Saturday and
Sunday, (ii) a day on which banking institutions in Boston, Massachusetts or
Detroit, Michigan are obligated or authorized by law or executive action to be
closed to the transaction of normal banking business, or (iii) a day on which
governmental or banking functions in Boston, Massachusetts or Detroit, Michigan
area are interrupted because of extraordinary events such as hurricanes, power
outages or acts of terrorism.

      "Certificate of Occupancy has the meaning set forth in Section 6.1(i).

      "Claim Period" has the meaning set forth in Section 10.4.

      "Closing" shall mean the consummation of the purchase and sale of the
Property pursuant to the terms of this Agreement.

      "Closing Date" shall mean the day that is fifteen (15) days after the Rent
Commencement Date (or, if applicable, the first Business Day thereafter);
provided, however, that the Closing Date shall not occur before August 1, 2005
unless the Seller and Purchaser agree otherwise in writing.

      "Closing Statement" has the meaning set forth in Section 8.4(j).

      "Code" shall mean the Internal Revenue Code of 1986, and all amendments
thereto and all regulations issued thereunder.

      "Confidential Information" shall mean any information concerning the
Property provided to Purchaser by Seller, excluding information that is
available to the general public or from sources other than Seller and any
information or results of testing or investigation of the Property obtained by
the Purchaser during Purchaser's review of the Property..

      "Contracts" shall mean all development, construction, service, management,
leasing, operation, maintenance, repair and other contracts (other than the
Lease) affecting the Land or Improvements and all amendments and modifications
thereto. No Contracts shall be included in the sale of the Property to the
Purchaser.

      "Deposit" has the meaning set forth in Section 3.1.

      "Designated Seller Representatives" has the meaning set forth in Section
7.4.

      "Effective Date" shall mean June 8, 2005.

      "Employee Claims" shall have the meaning set forth in Section 5.6.

<PAGE>

      "Environmental Law" shall have the meaning set forth in the definition of
Hazardous Materials below.

      "Hazardous Materials" shall mean (i) any waste, material or substance
(whether in the form of a liquid, a solid, or a gas and whether or not
air-borne), which is or is deemed to be a pollutant or a contaminant, or which
is or is deemed to be hazardous, toxic, ignitable, reactive, corrosive,
dangerous, harmful or injurious, or which presents a risk to public health or to
the environment, or which is or may become regulated by or under the authority
of any applicable local, state or federal laws, judgments, ordinances, orders,
rules, regulations, codes or other governmental restrictions, guidelines or
requirements, any amendments or successor(s) thereto, replacements thereof or
publications promulgated pursuant thereto (collectively "Environmental Laws",
and individually, "Environmental Law"); (ii) petroleum, including crude oil or
any fraction thereof; (iii) ACM; (iv) any polychlorinated biphenyl; (v) any
radioactive material; and (vi) urea formaldehyde. In addition to the foregoing,
the term "Environmental Laws" shall be deemed to include, without limitation,
local, state and federal laws, judgments, ordinances, orders, rules,
regulations, codes and other governmental restrictions, guidelines and
requirements, any amendments and successors thereto, replacements thereof and
publications promulgated pursuant thereto, which deal with or otherwise in any
manner relate to, environmental matters of any kind.

      "Improvements" shall mean that certain building containing approximately
59,290 net rentable square feet and located at 22300 Haggerty Road, Farmington
Hills, Michigan, and all other buildings, structures and other improvements
situated upon the Land and any fixtures, systems and facilities owned by Seller
and located on the Land.

      "Intangible Property" shall mean all of Seller's right, title and
interest, if any, in all intangible assets relating to the Land or Improvements,
including all of Seller's right, title and interest, if any, in all (a) the
Warranty, (b) all licenses, permits and approvals relating to the Land or
Improvements, and (c) all plans and specifications relating to the Land or
Improvements, in each case to the extent that Seller may legally transfer the
same.

      "Land" shall mean the land described on Exhibit A attached hereto,
together with all privileges, rights, easements and appurtenances belonging to
such land and all right, title and interest (if any) of Seller in and to any
streets, alleys, passages or other rights-of-way or appurtenances included in,
adjacent to or used in connection with such land and all right, title and
interest (if any) of Seller in all mineral rights appurtenant to such land.

      "Lease" shall mean the lease dated February 11, 2005 between the Seller,
as Landlord and SEWS-DTC, Inc., as Tenant, as amended by the Required Amendment.

      "Lease Transaction" shall mean any of the following: (a) the execution of
any new lease or other occupancy agreement for any portion of the Property; (b)
any modification of the Lease or any other occupancy agreement affecting the
Property; (c) the consent to any assignment of or subletting under the Lease; or
(d) the termination of the Lease.

      "Legal Requirements" means all applicable zoning, building, health and
safety, environmental and all other laws, legislation, rules, codes, by-laws,
ordinances, resolutions, regulations, orders and decrees relating in any way to
the Property.

      "Material Casualty" has the meaning set forth in Section 6.3.

      "Material Taking" has the meaning set forth in Section 6.4.

<PAGE>

      "Permitted Exceptions" shall mean all matters shown on the Title
Commitment, including the Lease, (other than Voluntary Liens) or the Survey,
except for those matters as to which, in accordance with Section 4.1, Purchaser
makes a written objection on or before the Study Period Notice Deadline, unless
the same are waived by the Purchaser in writing. In no event shall any Voluntary
Lien constitute a Permitted Exception, and all Voluntary Liens shall be paid in
full or discharged or bonded over (such that the same is not listed as an
exception to Purchaser's title insurance policy issued by the Title Company at
the Closing) at or before the Closing or out of the proceeds otherwise due to
Seller.

      "Permits" has the meaning set forth in Section 7.3(b)(iv)(C).

      "Person" shall mean any individual, estate, trust, partnership, limited
liability company, limited liability partnership, corporation, governmental
agency or other legal entity.

      "Post Closing Claims" has the meaning set forth in Section 10.6.

      "Property" shall mean, collectively, the Real Property, Seller's interest
in the Leases, and the Intangible Property.

      "Purchase Price" shall mean the purchase price for the Property as
specified in Section 2.2.

      "Purchaser" means the Person named as the Purchaser in the first paragraph
of this Agreement, together with any assignee of the originally named Purchaser.

      "Purchaser Title Objections" has the meaning set forth in Section 4.1.

      "Real Property" shall mean the Land and the Improvements.

      "Reciprocal Easement Agreements" shall mean any and all reciprocal
easement agreements, declarations of covenants, conditions, restrictions and
easements, party wall agreements, "tie-back" agreements, common area agreements,
shared maintenance agreements, common use agreements or similar agreements or
understandings which burden or benefit the Real Property and other adjacent real
property, and all supplements, amendments, modifications and memoranda thereof,
relating to the development, use, operation, management, maintenance or
occupancy of the Real Property.

      "Rent Commencement Date" has the meaning set forth in the Lease.

      "Required Amendment" has the meaning set forth in Section 5.8.

      "Required Endorsements" shall mean the following ALTA endorsements (to the
extent legally available in the jurisdiction in which the Real Property is
located): (a) Form 9 - Comprehensive (modified as appropriate for an owner's
policy); (b) Form 3.1 Zoning (including parking and loading); (c) survey
endorsement; (d) access endorsement; (e) if the land on which the Property is
located consists of more than one parcel, a contiguity endorsement; and (f) a
tax parcel endorsement. All Required Endorsements shall be paid for by the
Purchaser.

      "Restricted Period" shall mean the period commencing five (5) Business
Days before the end of the Study Period and ending on the earlier of the Closing
or the termination of this Agreement.

      "Seller" has the meaning set forth in the first paragraph of this
Agreement.

<PAGE>

      "Seller Representations" shall mean the representations and warranties of
Seller expressly set forth in Section 7.3.

      "Seller's Broker" shall mean Spaulding & Slye Colliers, 255 State Street,
Boston, Massachusetts 02109, Attention: Daniel Cordeau.

      "SNDA" has the meaning set forth in Section 6.1(d).

      "Study Period" has the meaning set forth in Section 5.2.

      "Study Period Notice" has the meaning set forth in Section 5.2.

      "Study Period Notice Deadline" has the meaning set forth in Section 5.2.

      "Survey" has the meaning set forth in Section 4.1.

      "Tenant" shall mean SEWS-DTC, Inc., a Delaware corporation.

      "Termination Notice" has the meaning set forth in Section 5.2.

      "Title Commitment" has the meaning set forth in Section 4.1.

      "Title Company" shall mean the Boston, Massachusetts office of Stewart
Title Guaranty Company, attention, Terrance Miklas.

      "Unknown Rents" has the meaning set forth in Section 8.4(d).

      "Utility Deposits" has the meaning set forth in Section 8.4(g).

      "Voluntary Liens" shall mean any of the following encumbrances on the
Property or any portion thereof: (a) any mortgage or deed of trust granted or
assumed in writing by Seller; (b) any mechanic's or construction lien; (c) any
lien for unpaid taxes that are due and payable prior to the Closing Date,
assessments, utility, water, sewer or other governmental charges due and payable
as of the Closing Date; and (d) any other lien or encumbrance granted, assumed
or suffered by Seller and securing the repayment of money or other claims made
against Seller.

<PAGE>

                                  SCHEDULE 3.1

                            DEPOSIT ESCROW PROVISIONS

       [ATTACHED TO AND A PART OF REAL ESTATE PURCHASE AND SALE AGREEMENT]

            (a)   Title Company shall hold the Deposit in a separate,
segregated, interest bearing account approved by Purchaser and Seller. If the
Closing occurs, the Deposit shall be credited against the Purchase Price.
Interest earned on the Deposit shall be considered part of the Deposit. The
Deposit shall be held and disbursed by Title Company in the following manner:

            (i)   to Seller at the upon consummation of the Closing; or

            (ii)   to Seller upon receipt of written demand therefor, stating
that Purchaser has defaulted in the performance of Purchaser's obligations under
this Agreement and the facts and circumstances underlying such default;
provided, however, that Title Company shall not honor such demand until at least
ten (10) Business Days after it has sent a copy of such demand to Purchaser, nor
thereafter if Title Company shall have received written notice of good faith
objection from Purchaser in accordance with paragraph (b) below; or

            (iii) to Purchaser upon receipt of written demand therefor, stating
that either (x) this Agreement has been terminated pursuant to a provision
hereof and certifying the basis for such termination, or (y) Seller has
defaulted in performance of Seller's obligations under this Agreement and the
facts and circumstances underlying such default or that Purchaser is otherwise
entitled to the Deposit under the provisions of this Agreement; provided,
however, that except for a termination pursuant to Section 5.2, Title Company
shall not honor such demand until at least ten (10) Business Days after it has
sent a copy of such demand to Seller, nor thereafter if Title Company shall have
received written notice of good faith objection from Seller in accordance with
paragraph (b) below. Notwithstanding anything to the contrary herein, if at any
time before the Study Period Notice Deadline, Purchaser provides Title Company
with written demand for the return of the Deposit, Title Company shall
immediately return the Deposit to Purchaser.

         (b)   Upon receipt of written demand for the Deposit by Purchaser or
Seller pursuant to clause (a)(ii) or (a)(iii) above, Title Company shall
promptly send a copy thereof to the other party. Except for a termination under
Section 5.2 (as to which Seller shall have no right to object), the other party
shall have the right to make a good faith objection to the delivery of the
Deposit by sending written notice of such objection to Title Company within ten
(10) Business Days after Title Company sends a copy of the written demand to the
objecting party. Upon receipt of such notice, Title Company shall promptly send
a copy thereof to the party who made the written demand.

         (c)   Except for the return of the Deposit to Purchaser as provided in
the last sentence of Section (a)(iii) above, in the event of any dispute between
the parties, Title Company shall disregard all instructions received and may
hold the Deposit until the dispute is mutually resolved and Title Company is
advised of this fact in writing by both Seller and Purchaser, or Title Company
is otherwise instructed by a final judgment of a court of competent
jurisdiction.

         (d)   In the event Title Company shall be uncertain as to its duties or
rights hereunder or shall receive conflicting instructions, claims or demands
from the parties hereto, or instructions which conflict with any of the
provisions of this Agreement, Title Company shall be entitled to refrain from
taking any action other than to keep safely the Deposit until Title Company
shall be instructed otherwise in writing signed by both Seller and Purchaser, or
by final judgment of a court of competent jurisdiction.

<PAGE>

            (e) Title Company may rely upon, and shall be protected in acting or
refraining from acting upon, any written notice, instruction or request
furnished to it hereunder and believed by it to be genuine and to have been
signed or presented by the proper party or parties, provided that any
modification of this Schedule 3.1 shall be signed by Title Company, Purchaser
and Seller.

            (f) Seller and Purchaser shall jointly and severally hold Title
Company harmless against any loss, damage, liability or expense incurred by
Title Company not caused by its willful misconduct, gross negligence or breach
of these escrow provisions, arising out of or in connection with its entering
into this Agreement and the carrying out of its duties hereunder, including the
reasonable costs and expenses of defending itself against any claim of liability
or participating in any legal proceeding. As between the Seller and the
Purchaser, the party responsible for any such loss, damage, liability or expense
shall be responsible for any liability to the Title Company pursuant to the
foregoing joint and several indemnification.

                          JOINDER BY THE TITLE COMPANY

      By its execution hereof, the Title Company hereby (i) covenants and agrees
to hold the Deposit in accordance with the above provisions, and (ii)
acknowledges receipt of a copy of the Real Estate Purchase and Sale Agreement to
which this Schedule 3.1 is attached.

                                        By: \s\ MARK ANDERSON,
                                            ----------------------------------
                                            Name: Mark Anderson
                                            Title: National Settlement Counsel
                                            Date: 6/8/05

<PAGE>

                                  SCHEDULE 5.1

            (1)   the Lease, and all written notices, material correspondence or
other material written communications or agreements between the Seller and the
Tenant relating to the Lease, including any pending or proposed amendments to
the Lease;

            (2)   any tenant estoppel certificates or subordination,
nondisturbance and attornment agreements previously provided by the Tenant;

            (3)   copies of any documents relating to any proposed or actual
sublease or assignment of the Tenant's interest under the Lease, to the extent
in Seller's possession or control;

            (4)   copies of all financial, profile and background information
concerning the Tenant that is in Seller's possession or control;

            (5)   a summary of all security deposits paid under the Lease;

            (6)   a copy of the Tenant's current insurance certificate, if any;

            (7)   copies of Tenant billings and reconciliations for the current
year, if any;

            (8)   a copy of any management agreements relating to the Property,
if any;

            (9)   a schedule of any leasing commissions that are due under the
Lease or will become due upon and extension, expansion or renewal of the Lease;

            (10)  the Warranty;

            (11)  all Contracts;

            (12)  as-built plans and specifications for the Improvements in
Seller's possession or control;

            (13)  the Certificate of Occupancy (as defined in Section 6.1(i))
for the Improvements (other than any certificate of occupancy that Tenant is
responsible to obtain pursuant to the Lease) and all other Permits in Seller's
possession or control;

            (14)  all engineering, geotechnical, environmental, and other
similar studies or reports in the possession or control of the Seller relating
to the Property (the "Reports"); it being understood and agreed by the parties
hereto that Seller is in no way warranting or representing, express or implied,
the accuracy or completeness of anything contained in the Reports;

            (15)  copies of all tax bills and statements for the Property for
the three (3) calendar years preceding the Effective Date and for the current
year, and copies of any notices of actual or proposed reassessments of the
Property;

            (16)  copies of all utility bills and statements for the Property
for the 2003 and 2004 calendar years and for the current year;

            (17)  copies of monthly and annual operating statements for the
Property for the 2003 and 2004 calendar years and year-to-date statements for
the current year;

<PAGE>

            (18)  any information on material maintenance and capital
improvements conducted by Seller at the Property for the three (3) calendar
years preceding the Effective Date and during the current year;

            (19)  copies of any notices received in connection with any
purported or actual violation at the property of any Legal Requirement;

            (20)  copies of any Reciprocal Easement Agreements, if any, and
agreements with any governmental agencies relating to the development,
construction, ownership or operation of the Property; and

            (21)  copies of the existing insurance policies for the Property as
required under the Lease together with recent invoices with respect thereto.

<PAGE>

                                  SCHEDULE 5.8

                           FORM OF REQUIRED AMENDMENT

                       FIRST AMENDMENT TO LEASE AGREEMENT

      This First Amendment to Lease Agreement ("Amendment") is made on
_________________, 2005 by and between GSI Lumonics Corporation, a Michigan
corporation, whose address is 39 Manning Road, Billerica, MA 01821 ("Landlord")
and SEWS-DTC, Inc., a Delaware corporation authorized to conduct business in
Michigan, whose address is 5850 Mercury Drive, Suite 250, Dearborn, MI 48126
("Tenant").

                                    RECITALS

      A.    Landlord and Tenant are parties to a Lease dated February 1, 2005
("Lease") pertaining to property located at 22300 Haggerty Road, Farmington
Hills, MI and described in the Lease ("Leased Premises").

      B.    Landlord and Tenant wish to amend the Lease to remove and eliminate
the right of first refusal set forth in Section 14.18 of the Lease.

                                    AMENDMENT

      Now, therefore, for and in consideration of the mutual covenants of this
Amendment and other good and valuable consideration, the parties agree as
follows:

      1.    ELIMINATION OF RIGHT OF FIRST REFUSAL. The right of first refusal
contained in Section 14.18 of the Lease is removed from the Lease and eliminated
in its entirety, and from and after the date of this Amendment, Tenant shall
have no right to purchase the Leased Premises under the Lease.

      2.    SUCCESSOR OWNER. Section 14.18 of the Lease is amended to read as
follows:

            "14.18 SUCCESSOR OWNER. In the event Landlord or any successor owner
            of the Leased Premises, shall sell or convey the Leased Premises,
            any liabilities and obligations of the Landlord or such successor
            owner of the Leased Premises accruing thereafter shall terminate,
            and thereupon all such liabilities and obligations shall be binding
            upon the new owner. Tenant shall attorn to such new owner."

<PAGE>

      3. EFFECT. Except as modified by this Amendment, the Lease remains in full
force and effect.

                                        LANDLORD:

                                        GSI LUMONICS CORPORATION, a Michigan
                                        corporation

                                        By: ________________________________

                                        Its: _______________________________

                                        Dated: _____________________________

                                        TENANT:

                                        SEWS-DTC, INC., a Delaware corporation

                                        By: ________________________________

                                        Its: _______________________________

                                        Dated: _____________________________

<PAGE>

                                    EXHIBIT A

                               DESCRIPTION OF LAND

Land situated in the City of Farmington Hills, Oakland County, Michigan
described as:

PARCEL 1: Part of the Northwest 1/4 of Section 31, Town 1 North, Range 9 East,
City of Farmington Hills, Oakland County, Michigan, described as: Commencing at
the Northwest corner of said Section 31; thence due South 452.31 feet along the
West line of said Section 31, said line also being the centerline of Haggerty
Road (66 feet wide); thence North 89 degrees 12 minutes 42 seconds East 33.00
feet to a point on the East line of said Haggerty Road, said point also being
the point of beginning; thence continuing North 89 degrees 12 minutes 42 seconds
East 545.54 feet; thence South 00 degrees 07 minutes 55 seconds East 193.79
feet; thence South 89 degrees 12 minutes 42 seconds West 545.98 feet to a point
on the East line of said Haggerty Road and thence due North 193.80 feet along
said East line of Haggerty Road to the point of beginning.

PARCEL 2: Part of the Northwest 1/4 of Section 31, Town 1 North, Range 9 East,
City of Farmington Hills, Oakland County, Michigan, described as: Beginning at
the Northwest corner of said Section 31; thence North 89 degrees 12 minutes 42
seconds East 577.50 feet (described as North 89 degrees 14 minutes 00 seconds
East 577.50 feet) along the North line of said Section 31, said line also being
the centerline of Nine Mile Road (variable width); thence South 00 degrees 07
minutes 55 seconds East 452.29 feet (described as South 00 degrees 05 minutes 00
seconds West 452.31 feet); thence South 89 degrees 12 minutes 42 seconds West
578.54 feet (described as South 89 degrees 14 minutes 00 seconds West 578.18
feet) to a point on the West line of said Section 31; thence due North 452.31
feet along said West line, said line also being the centerline of Haggerty Road
(66 feet wide) to the point of beginning, excepting the West 33 feet and the
Northerly 65 feet of the Easterly 104.72 feet and the Northerly 50 feet of the
Westerly 472.78 feet.

<PAGE>

                                    EXHIBIT B

                       FORM OF TENANT ESTOPPEL CERTIFICATE

Re:   Lease dated February 11, 2005, by and between GSI Lumonics Corporation, as
      Landlord, and SEWS-DTC, Inc., as Tenant, as amended by that certain First
      Amendment to Lease dated _____, 2005, by and between Landlord and Tenant]
      (as amended, the "Lease").

To: Landlord and STAG Capital Partners, LLC and any other purchaser or potential
    purchaser ("Purchaser") of the property commonly known as 22300 Hagggerty
    Road, Farmington Hills, Michigan

The undersigned Tenant under the Lease certifies as follows (Capitalized terms
used herein and not otherwise defined have the meanings set forth in the Lease):

(1)   The Lease has been duly authorized, executed and delivered by Tenant to
Landlord (or its predecessor-in-interest), has not been amended, modified,
superceded or supplemented in any way, except as aforsesaid, and constitutes the
entire agreement between Landlord and Tenant with respect to the demised
premises identified therein (the "Premises") and the building and other property
of which the Premises are a part (the "Property"), except for a separate
agreement for Tenant's purchase of certain personal property located at the
Premises, which agreement shall not obligate Purchaser;

(2)   The Lease is in full force and effect, and Tenant does not have any
defense, credit, offset, claim or counterclaim by or in favor of Tenant against
Landlord (or its predecessor-in-interest) under the Lease against the obligation
to pay rent or other charges due from Tenant under the Lease or against any
other obligations of Tenant thereunder;

(3)   (a)   The Execution Date of the Lease was February 11, 2005; the Rent
Commencement Date of the Lease was __________, 2005 ; the Access Date of the
Lease was ___________, 2005; and the expiration date of the initial term of the
Lease is __________;

      (b)   There are no options remaining unexercised on the part of the Tenant
to renew the Lease except as set forth in Section 1.03 of the Lease;

      (c)   Base Rent under the Lease is $0 per month for months one through six
after the Rent Commencement Date and $56,290 per month for the following twelve
(12) months.

      (d)   Tenant's obligation to pay taxes, insurance, maintenance, repairs
and operating expenses for the Property commenced on the Rent Commencement Date
and Tenant's obligation to pay utilities for the Property commenced on the
Access Date as set forth in the Lease;

(4)   Tenant has unconditionally taken possession of and is occupying all of the
Premises and Tenant has commenced the payment of rents for all space subject to
the Lease. Landlord has completed all work to be performed by Landlord under the
Lease, if any, in a good and workmanlike manner and in accordance with the Lease
and such work has been accepted by Tenant and all reimbursements and allowances
due to Tenant under the Lease in connection with such work have been paid in
full. Tenant has no knowledge of any defects in the Premises or the Property or
any related improvements or facilities; Tenant has not delivered any notice
alleging any defect or deficiency in the work relating to the Premises or the
Property or any related improvements or facilities, and Tenant is not aware of
any currently existing condition or circumstance which would cause Tenant to
give such any such notice. Landlord has satisfied any and all commitments made
to induce Tenant to enter in to the Lease;

<PAGE>

(5)   Tenant has no right to cancel or terminate the Lease and no option or
right to purchase all or any part of the Premises, the Property;

(6)   Tenant has not paid any security deposit under the Lease except as
follows: $56,290.

(7)   All minimum and additional rent and other sums payable by Tenant under the
Lease have been fully paid through ______________, 200_ in accordance with the
provisions of the Lease. No rent has been paid more than one month in advance;

(8)   Tenant has not been granted and is not entitled to any free rental or any
concession in or abatement of rent, except for the free rent period during
months one through six of the Initial Term and the Tenant Allowance;

(9)   Neither Tenant nor Landlord is in default of its obligations under the
Lease and, to the best of Tenant's knowledge, there is no state of facts that
with the giving of notice, the passage of time, or both, could ripen into such a
default;

(10)  Tenant confirms that its address for purposes of notices under the Lease
is as follows: SEWS-DTC, Inc., 22300 Haggerty Road, Farmington Hills, Michigan
483355, Attention: William Lefebvre and Renee Dillion;

(11)  No leasing commissions or similar fees are outstanding in connection with
the Lease or will be due from the then owner of the landlord's interest under
the Lease in connection with any renewal, extension or expansion of the Lease;

(12)  The Premises are adequately served by utilities and Landlord has satisfied
all obligations relating thereto under the Lease;

(13)  Tenant has not assigned the Lease or any of its interests therein or
sublet any portion of the Premises; Tenant has no current plans to downsize or
eliminate its operations at the Premises; and

(14)  A true and complete copy of the Lease is attached hereto and made a part
hereof.

This certificate shall be binding upon Tenant and its successors and assigns (if
any). Tenant understands and agrees that this certificate may be relied upon by
Purchaser (and/or its assignee and/or successors-in-interest as owners of the
Property) and by each lender of Purchaser that finances all or any portion of
the purchase price of the Property or otherwise provides debt financing to
Purchaser.

                                         Tenant

                                         SEWS-DTC, INC.

                                            By: _____________________________,
                                                Name: _______________________
                                                Title: ______________________
                                                Date: _____________

<PAGE>

                                    EXHIBIT C

                            LEASE RELATED DISCLOSURES

A cash security deposit of $56,290 is being held by Seller pursuant to the
Lease.

<PAGE>

                                    EXHIBIT D

                      EXCEPTIONS TO SELLER REPRESENTATIONS

<PAGE>

                                    EXHIBIT E

                                      DEED

                                  WARRANTY DEED

      THE GRANTOR, GSI Lumonics Corporation, a Michigan corporation, whose
address is 39 Manning Road, Billerica, Massachusetts 01821, conveys and warrants
to GRANTEE, _____________________________, a ______________ limited liability
company, whose address is 93 Summer Street, Third Floor, Boston, Massachusetts
02110, the following described property situated in the City of Farmington
Hills, Oakland County, Michigan:

                          See Exhibit A attached hereto
                              (22300 Haggerty Road)

together with all of Grantor's right, title and interest in and to all
buildings, fixtures, improvements, and appurtenances thereon, and subject to the
Permitted Exceptions listed on the attached Exhibit B.

      The consideration for this instrument is ONE DOLLAR ($1.00) AND OTHER GOOD
AND VALUABLE CONSIDERATION, which is set forth in a Real Estate Transfer Tax
Valuation Affidavit filed pursuant to MCLA 207.511 and MCLA 207.533. The Grantor
grants to the Grantee the right to make all available divisions under Section
108 of the land division act, Act No. 288 of the Public Acts of 1967, as
amended. This property may be located within the vicinity of farmland or a farm
operation. Generally accepted agricultural and management practices which may
generate noise, dust, odors and other associated conditions may be used and are
protected by the Michigan Right to Farm Act.

DATED: _______________________, 2005

                                            GSI LUMONICS CORPORATION, a Michigan
                                            corporation

                                            By: ________________________________

                                            Its: _______________________________

                                       40
<PAGE>

STATE OF _________________________   )
                                     )SS
COUNTY OF ________________________   )

      The foregoing instrument was acknowledged before me this ____ day of
________________________, 2005 by _____________________________________, the
________________________ of GSI Lumonics Corporation, a Michigan corporation, on
behalf of the corporation.

                                         _______________________________________
                                         _________________________ Notary Public
                                         _____________ County, _________________
                                         Acting in ___________________ County
                                         My Commission Expires: ________________

PREPARED BY:
                                         Parcel ID No. 23-31-101-026

Sandra Sorini Elser (P36305)
Bodman LLP
110 Miller, Suite 300
Ann Arbor, Michigan 48104
(734) 761-3780

WHEN RECORDED RETURN TO GRANTEE

                                       41
<PAGE>

                           EXHIBIT A TO WARRANTY DEED

                                LEGAL DESCRIPTION

                               22300 HAGGERTY ROAD

                                       A-1
<PAGE>

                           EXHIBIT B TO WARRANTY DEED

                              PERMITTED EXCEPTIONS

<PAGE>

                                    EXHIBIT F

                                   (RESERVED)

<PAGE>

                                    EXHIBIT G

                       ASSIGNMENT AND ASSUMPTION AGREEMENT

      THIS ASSIGNMENT AND ASSUMPTION AGREEMENT (this "Assignment") is executed
as of ________________, 200_ by and between______________________ ("Assignor"),
and _____________ ("Assignee").

                                   BACKGROUND

      Assignor has this day conveyed to the Assignee the property located in
___________________, and more particularly described in Exhibit A hereto (the
"Premises") and, in connection with the conveyance of the Premises, Assignor and
Assignee intend that Assignor's right, title, interests, powers, and privileges
in and under all leases and security deposits affecting the Premises and other
matters stated herein be assigned and transferred to Assignee.

                                    AGREEMENT

      In consideration of the mutual covenants contained herein and other good
and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties agree as follows:

      1. LEASES. Assignor hereby transfers and assigns to Assignee all of
Assignor's right, title and interest as landlord or otherwise in that certain
lease dated February 11, 2005 between Assignor as landlord and SEWS-DTC, Inc.,
as tenant (the "Lease"). By executing this Assignment, Assignee hereby accepts,
assumes and agrees to perform all of the terms, covenants and conditions of the
Lease on the part of the landlord therein required to be performed, including
Assignor's obligations pertaining to the Security Deposits (as such term is
defined below), from and after the date hereof, but not prior thereto. Assignor
also hereby transfers and assigns to Assignee the security deposit held by the
Assignor relative to the Lease (the "Security Deposits").

      2. ROOF WARRANTY. Assignor hereby transfers and assigns to Assignee all of
Assignor's right, title and interest in that certain _______________________
(the "Roof Warranty).

      3.. MUTUAL INDEMNIFICATION. Assignor shall indemnify and hold Assignee
harmless from and against any and all damages, claims, liabilities, costs
(including reasonable attorney's fees), expenses and causes of action which may
arise and accrue from or under the Lease and that are attributable to periods of
time prior to the date hereof, regardless of when same are discovered or
asserted. Assignee shall indemnify and hold Assignor harmless from and against
any and all damages, claims, liabilities, costs (including reasonable attorney's
fees), expenses and causes of action which may arise and accrue from or under
the Lease or any of them and that are attributable to periods of time on or
after the date hereof, regardless of when same are discovered or asserted.

      4. FURTHER ASSURANCES. Assignor and Assignee agree to take all further
actions and execute, acknowledge and deliver all further documents that are
reasonably necessary or useful in carrying out the purposes hereof.

      5. SUCCESSORS AND ASSIGNS. This Assignment shall inure to the benefit of,
and be binding upon, the successors, executors, administrators, legal
representatives and assigns of the parties hereto.

<PAGE>

      IN WITNESS WHEREOF, this Assignment has been duly signed and sealed by the
parties as of the date set forth above.

                                    ASSIGNOR:

                                    ________________________________

                                    By: ____________________________,
                                     Name: _________________________
                                     Title:_________________________
                                     Date: _____________

                                    ASSIGNEE:

                                    ________________________________

                                    By: ____________________________,
                                     Name: _________________________
                                     Title: ________________________
                                     Date: _____________

<PAGE>

                                    EXHIBIT A
                         (to Assignment and Assumption)

                              Property Description

<PAGE>

                                    EXHIBIT B
                         (to Assignment and Assumption)

<PAGE>

                                    EXHIBIT H

                  UPDATED REPRESENTATION CERTIFICATE FOR SELLER

      The undersigned, as Seller under a Real Estate Purchase and Sale Agreement
("Purchase Agreement") dated as of _________________, 200__ between
______________________ ("Seller") and _____________________ ("Purchaser"), does
hereby certify to Purchaser that the representations and warranties set forth in
Section 7.3 of the Purchase Agreement are hereby reaffirmed as of the date
hereof.

      Seller's liability hereunder shall be subject to the limitations set forth
in the Purchase Agreement.

      Dated as of this ____ day of ____________, 200__.

                                        SELLER

                                        [_____________________________]

                                        By: __________________________
                                            Name:
                                            Title:

                UPDATED REPRESENTATION CERTIFICATE FOR PURCHASER

      The undersigned, as Purchaser under a Real Estate Purchase and Sale
Agreement ("Purchase Agreement") dated as of _________________, 200__ between
______________________ ("Seller") and _____________________ ("Purchaser"), does
hereby certify to Seller that the representations and warranties set forth in
Section 7.2 of the Purchase Agreement are hereby reaffirmed as of the date
hereof.

      Purchaser's liability hereunder shall be subject to the limitations set
forth in the Purchase Agreement.

      Dated as of this ____ day of ____________, 200__.

                                        PURCHASER

                                        [_____________________________]

                                        By: __________________________
                                            Name:
                                            Title:

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