Exhibit 10.26**PARTIAL SURRENDER AGREEMENT AND AMENDMENT**     **PARTIAL SURRENDER AGREEMENT AND AMENDMENT**made as of this 22nd day of November, 2006, by and between **RCPI LANDMARK PROPERTIES, L.L.C.,**a Delaware limitedliability company having an office at c/o Tishman Speyer Properties, L.P., 45 Rockefeller Plaza,New York, New York 10111 (“Landlord”), and **BKF MANAGEMENT CO., INC.,**a Delaware corporationhaving an office at One Rockefeller Plaza, New York, New York 10020 (“Tenant”).WITNESSETH     **WHEREAS:**     A. Landlord’s predecessor-in-interest, Rockefeller Center Properties, and Tenant’s predecessor-in-interest, John A. Levin & Co., Inc., entered into that certain Leasedated December 20, 1993, as amended by Supplemental Indenture dated March 2, 1995, the First Amendment to Lease dated June 23, 1997, the Second Amendment to Lease dated as ofJanuary 22, 1998, the Third Amendment to Lease dated as of December 31, 1998, the Fourth Amendment of Lease dated July 18, 2000, the Fifth Amendment to Lease dated as of May 14,2001, the Sixth Amendment to Lease dated as of September 28, 2001 and the Seventh Amendment to Lease and Partial Surrender Agreement dated as of October 16, 2003 (as soamended, the “Original Lease”) with respect to Space ‘D’ on the 3rd floor, Space ‘A’ on the 19thfloor, Space ‘A’ on the 25th floor (the “25th Floor Premises”), the entire 4th floor, the entire 18thfloor and Space ‘P’ (the “Storage Premises”) on the 22nd floor (collectively, the “Premises”) ofthe building known as One Rockefeller Plaza, New York, New York (the “Building”).     B. The term of the Lease shall expire by its terms on September 30, 2011; and     C. Tenant desires to surrender the 25th Floor Premises to Landlord (the “Surrendered Premises”; the Premises less the Surrendered Premises are hereinaftercalled the “Retained Premises”) and Landlord is willing to accept such surrender in themanner and upon the terms and conditions hereinafter set forth;     NOW, THEREFORE, in consideration of the premises and the agreements hereinaftercontained, it is mutually covenanted and agreed as follows:     1. (a) On the Surrender Date (as hereinafter defined), Tenant shall surrender to Landlord, andLandlord shall accept the surrender of, the Lease in respect of the Surrendered Premises and theterm and estate thereby granted, together with the Surrendered Premises thereby demised, to theintent and purpose that the estate of Tenant in and to the Surrendered Premises shall be whollyextinguished and that the term of the Lease in respect of the Surrendered Premises shall expire onthe Surrender Date in the same manner and with the same effect as if such date were the date setforth in the Lease for the expiration of the term thereof in respect of the Surrendered Premises.All fixed rent, additional rent and other amounts payable under the Lease in respect of theSurrendered Premises shall be apportioned
 

 
as of the Surrender Date. The “Surrender Date” shall be the date this Agreement isexecuted and delivered by Landlord and Tenant.          (b) On or before the Surrender Date, time being of the essence with respect to such date,Tenant shall remove all of Tenant’s personal property and moveable trade fixtures from theSurrendered Premises and vacate the Surrendered Premises and deliver vacant possession thereof toLandlord in “as is” condition broom clean. Tenant shall repair all damage to the Building caused bythe removal of Tenant’s personal property and moveable trade fixtures in a good and workmanlikemanner. Without limiting Tenant’s obligations set forth above, any personal property, fixtures,installations or other property remaining in the Surrendered Premises after the Surrender Dateshall be deemed abandoned by Tenant and Landlord may take possession thereof and retain the same asLandlord’s property or dispose of same at Tenant’s expense in any manner Landlord determineswithout accountability therefor to Tenant. Notwithstanding any provision of this Section1(b) to the contrary, Tenant shall have no obligation to remove from the Surrendered Premisesany personal property or moveable trade fixtures (i) which a new tenant of the Surrendered Premises(the “New Tenant”) has agreed with Tenant may remain in the Surrendered Premises after theSurrender Date or which New Tenant has acquired from Tenant and/or (ii) which is used by Tenant inthe Surrendered Premises under a license between Tenant and New Tenant.     2. Tenant represents and covenants that nothing has been or will be done or suffered whereby the Lease in respect of the Surrendered Premises, or the term or estatethereby granted, or the Surrendered Premises, or any part thereof, or any alterations, decorations, installations, additions and improvements in and to the Surrendered Premises, orany part thereof, have been or will be encumbered in any way whatsoever, and that Tenant owns and will own the Lease in respect of the Surrendered Premises and has and will havegood right to surrender the same on the Surrender Date, and that no one other than Tenant has acquired or will acquire through or under Tenant any right, title or interest in or to theSurrendered Premises, or any part thereof, or in or to said alterations, decorations, installations, additions and/or improvements or any part thereof.     3. Landlord shall accept the surrender of the Surrendered Premises as of the Surrender Date and in consideration of such surrender by Tenant and of the acceptance ofsuch surrender by Landlord, Tenant and Landlord do hereby mutually release each other, their respective successors and assigns of and from any and all claims, damages, obligations,liabilities, actions and causes of action, of every kind and nature whatsoever arising under or in connection with the Lease in respect of the Surrendered Premises from and after the SurrenderDate, except that nothing herein contained shall be deemed to constitute a release or discharge of Landlord or Tenant with respect to any obligation or liability in respect of theSurrendered Premises (a) accrued or incurred under the Lease in respect of the Surrendered Premises and outstanding and unsatisfied on the Surrender Date (including, without limitation, anydeficiency or overpayment in Tenant’s Tax Payment and/or Tenant’s Operating Payment), and (b) to a third party (under the insurance and indemnification provisions of the Lease) arising priorto, on or after the Surrender Date as a result of an event occurring or condition existing prior to or on the Surrender Date.     4. Landlord and Tenant each represents and warrants to the other that it has not dealt with any broker in connection with this Agreement other than Tishman SpeyerProperties, L.P. (“TSP”) and Cushman & Wakefield,Inc.“CW”) and Colliers ABR, Inc. (together with CW, the “Brokers”), and that, to the best of its knowledge, no other brokernegotiated this
2

 
Agreement or is entitled to any fee or commission in connection herewith. Landlord shall pay anycommission due TSP in connection with the transactions contemplated by this Agreement in accordancewith the terms of a separate agreement. Tenant shall indemnify, defend, protect and hold Landlordharmless from and against any and all losses, liabilities, damages, claims, judgments, fines,suits, demands, costs, interest and expenses of any kind or nature (including reasonable attorneys’fees and disbursements) incurred in connection with any claim, proceeding or judgment and thedefense thereof which Landlord may incur by reason of any claim of or liability to either Brokerand any other broker, finder or like agent (other than TSP) arising out of any dealings claimed tohave occurred between Tenant and the claimant in connection with this Agreement, or the aboverepresentation being false. Landlord shall indemnify, defend, protect and hold Tenant harmless fromand against any and all losses, liabilities, damages, claims, judgments, fines, suits, demands,costs, interest and expenses of any kind or nature (including reasonable attorneys’ fees anddisbursements) incurred in connection with any claim, proceeding or judgment and the defensethereof which Tenant may incur by reason of any claim of or liability to TSP and any other broker,finder or like agent (other than the Brokers) arising out of any dealings claimed to have occurredbetween Landlord and the claimant in connection with this Agreement, or the above representationbeing false.     5. If Tenant shall fail to surrender the Surrendered Premises pursuant to this Agreement, then Tenant shall be deemed to be a holdover in respect of the SurrenderedPremises and be subject to all of Landlord’s rights and remedies set forth in the Lease and this Agreement as if such rights and remedies applied separately to the Surrendered Premises, andLandlord may pursue against Tenant any and all remedies available toit as landlord under the Lease or this Agreement or otherwise, at law or in equity, separately in respect of theSurrendered Premises. Notwithstanding the foregoing, in addition to any other rights or remedies Landlord may have hereunder or at law, Tenant shall (a) pay to Landlord for eachmonth (or any portion thereof) during which Tenant holds over in the Surrendered Premises after the Surrender Date, a sum equal to 1.5 times for the first 30 days, and thereafter, 2times the fixed rent and additional rent payable under the Lease in respect of the Surrendered Premises for the last full calendar month of the term of the leasing thereof, (b) be liable toLandlord for (1) any payment or rent concession which Landlord may be required to make to any tenant obtained by Landlord for all or any part of the Surrendered Premises (a“New Tenant”) in order to induce such New Tenant not to terminate its lease by reason of the holding-over by Tenant, and (2) the loss of the benefit of the bargain if any New Tenant shallterminate its lease by reason of the holding-over by Tenant, and (c) indemnify Landlord against all claims for damages by any New Tenant. No holding-over by Tenant, nor the payment to Landlord ofthe amounts specified above, shall operate to extend the term of the leasing of the Surrendered Premises. Nothing herein contained shall be deemed to permit Tenant to retain possession ofthe Surrendered Premises after the Surrender Date, and no acceptance by Landlord of payments from Tenant after the Surrender Date shall be deemed to be other than on account ofthe amount to be paid by Tenant in accordance with the provisions of this Section 5.     6. As of the Surrender Date, the Lease shall be modified as follows: (a) “Premises” shall be deemed to mean the Retained Premises.  (b) The fixed rent payable under the Lease shall be reduced by an amount equal to (A) $765,510.00 per annum ($63,630.00 per month) for theperiod commencing on the Surrender Date and ending on
3

 
January 31, 2008. both dated inclusive, and (B) $1,221,696.00 perannum ($101,808.00 per month) for the period commencing on February 1,2008 and ending on September 30, 2011, both dates inclusive. (c) With respect to the Surrendered Premises only,Tenant shall not be responsible for any additional rent payablepursuant to the Original Lease, including Article Twenty-Fourthereof, accruing or arising from and after the Surrender Date.     7. (a) No partner, member, shareholder, director, officer, manager, principal, employee or agent, directly and indirectly, of Landlord (collectively, the“Parties”) shall be personally liable for the performance of Landlord’s obligations under this Agreement.Tenant shall look solely to Landlord to enforce Landlord’s obligations hereunder and shall not seek any damages against any of the Parties. The liability of Landlord for Landlord’sobligations under this Agreement shall be limited to Landlord’s interest in the Building and Tenant shall not look to any other property or assets of Landlord or the property or assets ofany of the Parties in seeking either to enforce Landlord’s obligations under this Agreement or to satisfy a judgment for Landlord’s failure to perform such obligations.          (b) The obligations of Landlord under this Agreement shall not be binding upon Landlord afterthe sale, conveyance, assignment or transfer by Landlord (or upon any subsequent Landlord afterthe sale, conveyance, assignment or transfer by such subsequent landlord) of its interest in theBuilding. After any such sale, conveyance, assignment or transfer, Landlord (or such subsequentlandlord, as the case may be) shall be and hereby is entirely freed and relieved of all covenantsand obligations of Landlord hereunder and Tenant shall look solely to the transferee of Landlord’sinterest in the Building for the satisfaction of such obligation, provided such purchaser,assignee or transferee assumes all obligations under this Agreement. Any such transferee ofLandlord’s interest in the Building shall be deemed to have assumed all obligations under thisAgreement.     8. Landlord and Tenant shall promptly prepare, execute and file such returns, affidavits and other documentation, if any, as may be required in connection with anyreal property transfer tax that may become, or may be asserted to be or become due, owing or imposed in connection with this Agreement at any time by the City of New York or the State ofNew York or any agency or instrumentality of such City or State. The provisions of this Section 8 shall survive the expiration or earlier termination of this Agreement.     9. Tenant hereby represents and warrants to Landlord that, as of the date hereof, (a) the Lease is in full force and effect and has not been modified except pursuant tothis Agreement; (b) to the best of Tenant’s knowledge, there are no defaults existing under the Lease; (c) to the best of Tenant’s knowledge, there exist no valid abatements, causes ofaction, counterclaims, disputes, defenses, offsets, credits, deductions, or claims against the enforcement of any of the terms and conditions of the Lease; (d) this Agreement has been dulyauthorized, executed and delivered by Tenant and constitutes the legal, valid and binding obligation of Tenant; and (e) there are no actions, whether voluntary or otherwise, pendingagainst Tenant under the bankruptcy or insolvency laws of the United States or any state thereof.
4

 
     10. (a) Except as set forth herein, nothing contained in this Agreement shall bedeemed to amend or modify in any respect the terms of the Lease.          (b) This Agreement contains the entire agreement of the parties with respect to its subject matter and all prior negotiations, discussions,representations, agreements and understandings heretofore had among the parties with respect thereto are merged herein.          (c) This Agreement may be executed in duplicate counterparts, each of which shall be deemed an original and all of which, when taken together, shall constituteone and the same instrument.          (d) ThisAgreement shall not be binding upon Landlord or Tenant unless and until Landlord shall have delivered a fully executed counterpart of this Agreementto Tenant.          (e) This Agreement shall be governed by the laws of the State of New York without giving effect to conflict of laws principles thereof.          (f) This Agreement shall be binding upon and inure to the benefit of Landlord and Tenant and their successors and permitted assigns.          (g) The terms and provisions of this Agreement shall survive the expiration or earlier termination of the Lease.
5

 
     IN WITNESS WHEREOF, the parties hereto have respectively executed this Agreement as ofthe day and year first above written.      **RCPI LANDMARK PROPERTIES, L.L.C.**