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**Exhibit            10.128**

**EXECUTION      COPY**

**WHEREAS**

**WHEREAS**

**NOW**
**THEREFORE**

| 1.   | Assignment                and Assumption of M-C Belmar, LLC Membership                Interests. |
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| a.   | Mack-Cali                Belmar Realty, LLC (“Mack Belmar”), the owner of a 99.9% Percentage                Interest in M-C Belmar, LLC, a Delaware limited liability company                (“M-C                Belmar”), without representation or warranty except as set forth                herein, hereby sells, transfers, assigns, delivers and conveys to                Gale                Investments its successors and assigns, all rights, title and interests                in                and to a 49.8% Percentage Interest in M-C Belmar (the “Transferred                Interests”), and Gale Investments hereby accepts the Transferred                Interests from Mack Belmar, it being expressly understood and agreed                that                such transfer is without assumption of any rights, obligations and                liabilities of Mack Belmar heretofore or hereafter accrued with respect                to                the Transferred Interests under or pursuant to that certain Limited                Liability Company Operating Agreement of M-C Belmar dated as of June                15,                2006 (the “M-C Belmar Operating Agreement”) and as hereinafter                amended to reflect the transaction set forth                herein. |
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| b.   | For                and in consideration of the Transferred Interests, each member of                M-C                Belmar hereby agrees to a restatement of its capital account balance                and                to modify the terms of the M-C Belmar Operating Agreement relating                to the                distribution of Net Cash Flows (as defined in the M-C Belmar Operating                Agreement) as follows (collectively, the “Amended Belmar                Interests”): |
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| i.   | The                capital account of Mack Belmar in M-C Belmar shall be debited                $2,000,000; |
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| ii.   | The                capital account of Gale Investments in M-C Belmar shall be credited                with a                deemed contribution of $2,000,000 (the “Gale Contribution                Amount”); |
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| iii.   | Mack                Belmar’s right to receive the CLI Investor Preferential Return shall be                terminated; |
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| iv.   | The                distribution of Net Cash Flows shall be                payable: |
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| 1.   | First,                to Mack Belmar until it shall have received payments of Net Cash                Flows                equal to the aggregate amount of all funds invested by Mack Belmar                in M-C                Belmar less the Gale Contribution                Amount; |
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| 2.   | Second,                to Gale Investments until it shall have received payments of Net                Cash                Flows equal to the Gale Contribution Amount;                and |
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| 3.   | Thereafter,                to Mack Belmar and Gale Investments in accordance with their respective                Payout Percentages (as defined in the M-C Belmar Operating                Agreement). |
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| c.   | The                parties hereto shall negotiate in good faith to modify the M-C Belmar                Operating Agreement so as to effect the intent of the parties as                closely                as possible in an acceptable manner in order that the transactions                contemplated by this Agreement are consummated to the greatest extent                possible, it being expressly understood that Mack Belmar shall remain                the                majority holder of the Percentage Interests in M-C Belmar and continue                to                exercise sole management control of M-C                Belmar. |
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| 2.   | Acceleration                of Earnout Payments.  Notwithstanding anything to the                contrary in that certain Amendment No. 8 to the Contribution Agreement                dated as of May 23, 2007, it is expressly understood and agreed by                MCRLP                and the Sellers that the aggregate $6,000,000 in payments due to                the                Sellers from MCRLP in two equal installments on May 9, 2008 and May                9,                2009 pursuant to Section 2.02(c) of the Contribution Agreement, as                amended, shall be deemed to be paid in full on the date hereof and                shall                consist of the following: |
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| a.   | $4,000,000                in cash to be paid by MCRLP or its affiliate to the Sellers;                and |
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| b.   | The                issuance of the Transferred Interests in consideration of the Amended                Belmar Interests. |
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| 3.   | Excluded                Assets. |
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| a.   | It                is mutually acknowledged and agreed by the parties to this Agreement                that                any commissions (the “Commissions”) payable to The Gale Real Estate                Advisors Company, L.L.C. (“Gale Advisors”) in connection with that                certain Expansion Option Agreement by and between Gale 55 Corporate                Associates II, LLC (“Gale II”) and Aventis Inc. (the “Expansion                Option Agreement”) and pursuant to that certain Management/Leasing                Agreement by and between Gale 55 Corporate Associates, LLC, The Gale                Services Company, L.L.C. and Gale Advisors (the “Management                Agreement”) in the amount of $2,336,891 are an Excluded Asset                described in Section 5.11(c) of the Contribution Agreement. Upon                exercise                of the expansion option specified in the Expansion Option                Agreement: |
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| i.   | If                Gale II fails to pay all or any portion of the Commissions to Gale                Investments, then MCRLP shall pay to Gale Investments or its designated                successors or assigns up to one-half (1/2) of the amount of such                unpaid                portion of the Commissions (the “MCRLP Contribution”);                provided, however, that the aggregate amount of MCRLP’s                contributions for the payment of the Commissions, either directly                through                the payment of the MCRLP Contribution or indirectly through the funding                of                any capital call properly made for such purpose, shall not exceed                $769,000. |
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| ii.   | MCRLP                shall not, directly or indirectly through its affiliates and subsidiaries                as a partner in Gale II, object to or block the payment of any Commissions                and will consent to and fund any capital call properly made for the                same;                provided, however, that the aggregate amount of MCRLP’s                contributions for the payment of the Commissions, either directly                in the                form of the MCRLP Contribution or indirectly through the funding                of any                capital call properly made for such purpose, shall not exceed                $769,000. |
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| iii.   | If                requested in writing by Gale Investments, MCRLP shall accept the                payment                of any Commissions on behalf of Gale Investments and distribute such                Commissions in accordance with the written instructions of Gale                Investments. |
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| iv.   | MCRLP                hereby undertakes to pay to Gale Investments or its designated successors                or assigns any portion of the Commissions received by MCRLP or any                of its                subsidiaries or affiliates. |
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| v.   | It                is expressly understood and agreed by the parties to this Agreement                that,                except for the MCRLP Contribution, MCRLP shall have no obligation                to take                or cause to be taken any action to solicit the payment of the                Commissions. |
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| vi.   | In                the event that Aventis Inc. does not exercise its expansion option                and                Gale II becomes entitled to the $7,000,000 penalty payable to such                entity                under the terms of the Expansion Option Agreement, any portion of                such                penalty payable to MCRLP or any of its subsidiaries or affiliates                shall                not be considered an Excluded Asset and MCRLP shall be entitled to                retain                such penalty. |
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| 4.   | Expense                Reimbursements. |
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| a.   | MCRLP                hereby waives and forfeits all rights, title and interest to any                reimbursement under Section 7.07 of the Non-Portfolio Property Agreement                only for services performed by Mark Yeager, whether prior to or after                the                date hereof. |
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| b.   | All                other reimbursements under Section 7.07 of the Non-Portfolio Property                Agreement for services performed by persons other than Mark Yeager,                whether prior to or after the date hereof, shall continue in full                force                and effect in accordance with the terms thereof; provided,                however, that such sum shall not be required to be paid currently,                but shall accrue and include a carrying charge of 6% per annum, compounded                monthly, commencing on the date hereof (the “Expense                Accruals”).  The amount of the Expense Accruals shall be                credited toward MCRAC’s Rock Cash Contribution under Section 2.03(f) of                the Non-Portfolio Property Agreement in furtherance of MCRAC’s acquisition                of the Rock GW Office Interests, subject to the satisfaction of all                of the                conditions of Section 2.06(b) of the Non-Portfolio Property                Agreement.  If, as of May 9, 2009, the acquisition of the Rock                GW Office Interests by MCRAC has not closed for any reason (other                than a                breach by MCRAC of its obligations under the Non-Portfolio Property                Agreement), then: |
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| i.   | The                then outstanding balance of the Expense Accruals, with accrued carrying                charges through and as of May 9, 2009 or until paid, plus an additional                $1,000,000 in cash, shall be paid by Gale/Yeager Investments LLC                to MCRLP                within three (3) business days; and |
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| ii.   | All                other terms and conditions of the Non-Portfolio Property Agreement                shall                remain in full force and effect. |
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| c.   | Gale/Yeager                Investments LLC hereby pledges to MCRLP, and grants to MCRLP a security                interest in, Gale/Yeager Investments LLC’s interests in the Rock GW Office                Interests, and any related rights to payment, profits, distributions                in                connection therewith, as the case may be, and all proceeds therefrom,                including any securities and moneys received, whether now existing                or                acquired, as security for the prompt and complete performance of                Gale/Yeager Investments LLC’s obligations under paragraph (b) of Section 4                of this Agreement. |
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| 5.   | Severability.  If                any term or other provision of this Agreement is invalid, illegal                or                incapable of being enforced by any Law or public policy, all other                terms                and provisions of this Agreement shall nevertheless remain in full                force                and effect for so long as the economic or legal substance of the                transactions contemplated by this Agreement is not affected in any                manner                materially adverse to either party hereto. Upon such determination                that                any term or other provision is invalid, illegal or incapable of being                enforced, the parties hereto shall negotiate in good faith to modify                this                Agreement so as to effect the original intent of the parties as closely                as                possible in an acceptable manner in order that the transactions                contemplated by this Agreement are consummated as originally contemplated                to the greatest extent possible.  If any term or other provision                of this Agreement is inconsistent or in conflict with a term or provision                of any other oral or written agreement or arrangement between the                parties                hereto, the terms of this Agreement shall supersede all such prior                agreements or arrangements. |
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| 6.   | PFV                Capital Call.  MCRLP hereby acknowledges and agrees that it                will, either directly or indirectly through its affiliates and                subsidiaries, consent to any capital call made under the operating                agreements of The Gale PFV Investor Company, L.L.C., GMW Village                Associates, LLC or GE/Gale Funding LLC relating to MCRLP’s interests in                The Gale PFV Investor Company, L.L.C. for the purpose of paying accrued                and unpaid management fees and expenses, regardless of when earned                (collectively, the “PFV Accruals”).  MCRLP, either                directly or indirectly through its affiliates and subsidiaries, will                consent to and fund any capital call properly made for the purpose                of                paying the PFV Accruals, and in the event of such a capital call,                MCRLP                further undertakes to pay to Gale Investments or its designated successors                or assigns Gale Investments’ portion of the PFV                Accruals. |
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| 7.   | Governing                Law.  This Agreement shall be governed by and construed in                accordance with the internal laws of the State of Delaware without                reference to its principles regarding conflicts of                laws. |
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| 8.   | Waiver.  Any                party to this Agreement may (a) extend the time for the performance                of any                of the obligations or other acts of the other party, (b) waive any                inaccuracies in the representations and warranties of the other party                contained herein or in any document delivered by the other party                pursuant                hereto, or (c) waive compliance with any of the agreements of the                other                party or conditions to such party’s obligations contained herein. Any such                extension or waiver shall be valid only if set forth in an instrument                in                writing signed by the party to be bound thereby. Any waiver of any                term or                condition shall not be construed as a waiver of any subsequent breach                or a                subsequent waiver of the same term or condition, or a waiver of any                other                term or condition of this Agreement. The failure of either party                hereto to                assert any of its rights hereunder shall not constitute a waiver                of any of                such rights. |
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| 9.   | Binding                Effect.  This Agreement shall be binding upon and shall                inure to the benefit of the parties hereto and their respective heirs,                executors, administrators, legal representatives, successors and                assigns. |
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| 10.   | Counterparts.  This                Agreement may be executed and delivered (including by facsimile                transmission or portable document format (PDF)) in one or more                counterparts, and by the different parties hereto in separate                counterparts, each of which when executed shall be deemed to be an                original, but all of which taken together shall constitute one and                the                same agreement. |
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| 11.   | No                Third Party Beneficiaries.  This Agreement shall be binding                upon and inure solely to the benefit of the parties hereto and their                respective successors and permitted assigns and nothing herein, express                or                implied, is intended to or shall confer upon any other person any                legal or                equitable right, benefit or remedy of any nature whatsoever, under                or by                reason of this Agreement. |
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**IN      WITNESS WHEREOF**

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