Nicor
      Inc.


Form
      10-K


Exhibit
      4.11





When
                recorded return to:Nicor
                GasAttn:
                Dave Behrens1844
                Ferry RoadNaperville,
                IL 60653-9600Space
                Above this Line Reserved for Recorder’s Use
                Only







**Supplemental
      Indenture**




**MADE
      AS OF DECEMBER 1, 2006, TO BE EFFECTIVE DECEMBER 15, 2006**


**____________________**




**NORTHERN
      ILLINOIS GAS COMPANY**




**TO**




**BNY
      MIDWEST TRUST COMPANY**




**TRUSTEE
      UNDER INDENTURE DATED AS OF**




**JANUARY
      1, 1954**




**AND**




**SUPPLEMENTAL**






**INDENTURES
      THERETO**




**____________________**




**FIRST
      MORTGAGE BONDS**




**5.85%
      SERIES DUE DECEMBER 15, 2036**




Prepared
            by Andrew Kling, Schiff Hardin LLP, 6600 Sears Tower, 233 S. Wacker Drive,
            Chicago, IL 60606


THIS
      SUPPLEMENTAL INDENTURE, made as of the 1 st day of
      December, 2006 and effective the 15th day of December, 2006, between NORTHERN
      ILLINOIS GAS COMPANY, a corporation organized and existing under the laws of
      the
      State of Illinois (hereinafter called the “ **Company** ”),
      and
      BNY MIDWEST TRUST COMPANY, an Illinois trust company (hereinafter called the
      “ **Trustee** ”),
      as
      successor Trustee under an Indenture dated as of January 1, 1954, as
      supplemented by Supplemental Indentures dated, respectively, February 9, 1954,
      April 1, 1956, June 1, 1959, July 1, 1960, June 1, 1963, July 1, 1963, August
      1,
      1964, August 1, 1965, May 1, 1966, August 1, 1966, July 1, 1967, June 1, 1968,
      December 1, 1969, August 1, 1970, June 1, 1971, July 1, 1972, July 1, 1973,
      April 1, 1975, April 30, 1976, April 30, 1976, July 1, 1976, August 1, 1976,
      December 1, 1977, January 15, 1979, December 1, 1981, March 1, 1983, October
      1,
      1984, December 1, 1986, March 15, 1988, July 1, 1988, July 1, 1989, July 15,
      1990, August 15, 1991, July 15, 1992, February 1, 1993, March 15, 1993, May
      1,
      1993, July 1, 1993, August 15, 1994, October 15, 1995, May 10, 1996, August
      1,
      1996, June 1, 1997, October 15, 1997, February 15, 1998, June 1, 1998, February
      1, 1999, February 1, 2001, May 15, 2001, August 15, 2001, December 15, 2001
      and
      December 1, 2003, such Indenture dated as of January 1, 1954, as so
      supplemented, being hereinafter called the “ **Indenture** .”




WITNESSETH:




WHEREAS,
      the Indenture provides for the issuance from time to time thereunder, in series,
      of bonds of the Company for the purposes and subject to the limitations therein
      specified; and




WHEREAS,
      the Company desires, by this Supplemental Indenture, to create an additional
      series of bonds to be issuable under the Indenture, such bonds to be designated
      “First Mortgage Bonds, 5.85% Series due December 15, 2036” (hereinafter called
      the “ **bonds
      of this Series** ”),
      and
      the terms and provisions to be contained in the bonds of this Series or to
      be
      otherwise applicable thereto to be as set forth in this Supplemental Indenture;
      and




WHEREAS,
      the forms, respectively, of the bonds of this Series, and the Trustee’s
      certificate to be endorsed on all bonds of this Series, are to be substantially
      as follows:











(FORM
      OF
      FACE OF BOND)




NO.
      RU-_____________ $________




Ill.
      Commerce Commission No. 6395 CUSIP
      No.______




**NORTHERN
      ILLINOIS GAS COMPANY**




**First
      Mortgage Bond, 5.85% Series due December 15, 2036**




NORTHERN
      ILLINOIS GAS COMPANY, an Illinois corporation (hereinafter called the
“ **Company** ”),
      for
      value received, hereby promises to pay to
                    
or registered assigns, the sum of
                         
Dollars, on the 15th day of December, 2036, and to pay to the registered owner
      hereof interest on said sum from the date hereof until said sum shall be paid,
      at the rate of five and eighty five hundredths per centum (5.85%) per annum,
      payable semi-annually on the first day of June and the first day of December
      in
      each year. Both the principal of and the interest on this bond shall be payable
      at the office or agency of the Company in the City of Chicago, State of
      Illinois, or, at the option of the registered owner, at the office or agency
      of
      the Company in the Borough of Manhattan, The City and State of New York, in
      any
      coin or currency of the United States of America which at the time of payment
      is
      legal tender for the payment of public and private debts. Any installment of
      interest on this bond may, at the Company’s option, be paid by mailing checks
      for such interest payable to or upon the written order of the person entitled
      thereto to the address of such person as it appears on the registration
      books.




So
      long
      as there is no existing default in the payment of interest on this bond, the
      interest so payable on any interest payment date will be paid to the person
      in
      whose name this bond is registered on May 15 or November 15 (whether or not
      a
      business day), as the case may be, next preceding such interest payment date.
      If
      and to the extent that the Company shall default in the payment of interest
      due
      on such interest payment date, such defaulted interest shall be paid to the
      person in whose name this bond is registered on the record date fixed, in
      advance, by the Company for the payment of such defaulted
      interest.




Additional
      provisions of this bond are set forth on the reverse hereof.




This
      bond
      shall not be entitled to any security or benefit under the Indenture or be
      valid
      or become obligatory for any purpose unless and until it shall have been
      authenticated by the execution by the Trustee, or its successor in trust under
      the Indenture, of the certificate endorsed hereon.




IN
      WITNESS WHEREOF, Northern Illinois Gas Company has caused this bond to be
      executed in its name by its Vice President, manually or by facsimile signature,
      and has caused its corporate seal to be impressed hereon or a facsimile thereof
      to be imprinted hereon and to be attested by its Assistant Secretary, manually
      or by facsimile signature.




Dated:
      December 15, 2006




-2-









**NORTHERN
                ILLINOIS GAS COMPANY**
              
              BY:
              *Vice President*ATTEST:
              
              *Assistant Secretary*












(FORM
      OF
      TRUSTEE’S CERTIFICATE OF AUTHENTICATION)




This
      bond
      is one of the bonds of the series designated therein, referred to and described
      in the within-mentioned Supplemental Indenture dated as of December 1, 2006,
      effective December 15, 2006.




**BNY
      MIDWEST TRUST COMPANY,**


**TRUSTEE**




BY:


*Authorized
      Officer*


-3-







(FORM
      OF
      REVERSE SIDE OF BOND)




This
      bond
      is one, of the series hereinafter specified, of the bonds issued and to be
      issued in series from time to time under and in accordance with and secured
      by
      an Indenture dated as of January 1, 1954, to BNY Midwest Trust Company, as
      Trustee, as supplemented by certain indentures supplemental thereto, executed
      and delivered to the Trustee; and this bond is one of a series of such bonds,
      designated “Northern Illinois Gas Company First Mortgage Bonds, 5.85% Series due
      December 15, 2036 (herein called “ **bonds
      of this Series** ”),
      the
      issuance of which is provided for by a Supplemental Indenture dated as of
      December 1, 2006, effective December 15, 2006 (hereinafter called the
“ **Supplemental
      Indenture** ”),
      executed and delivered by the Company to the Trustee. The term “ **Indenture** ”,
      as
      hereinafter used, means said Indenture dated as of January 1, 1954, and all
      indentures supplemental thereto (including, without limitation, the Supplemental
      Indenture) from time to time in effect. Reference is made to the Indenture
      for a
      description of the property mortgaged and pledged, the nature and extent of
      the
      security, the rights of the holders and registered owners of said bonds, of
      the
      Company and of the Trustee in respect of the security, and the terms and
      conditions governing the issuance and security of said bonds.




With
      the
      consent of the Company and to the extent permitted by and as provided in the
      Indenture, modifications or alterations of the Indenture or of any supplemental
      indenture and of the rights and obligations of the Company and of the holders
      and registered owners of the bonds may be made, and compliance with any
      provision of the Indenture or of any supplemental indenture may be waived,
      by
      the affirmative vote of the holders and registered owners of not less than
      sixty-six and two-thirds per centum (66 2/3%) in principal amount of the bonds
      then outstanding under the Indenture, and by the affirmative vote of the holders
      and registered owners of not less than sixty-six and two-thirds per centum
      (66
      2/3%) in principal amount of the bonds of any series then outstanding under
      the
      Indenture and affected by such modification or alteration, in case one or more
      but less than all of the series of bonds then outstanding under the Indenture
      are so affected, but in any case excluding bonds disqualified from voting by
      reason of the Company’s interest therein as provided in the Indenture; subject,
      however, to the condition, among other conditions stated in the Indenture,
      that
      no such modification or alteration shall be made which, among other things,
      will
      permit the extension of the time or times of payment of the principal
      of or the interest or the premium, if any, on this bond, or the reduction in
      the
      principal amount hereof or in the rate of interest or the amount of any premium
      hereon, or any other modification in the terms of payment of such principal,
      interest or premium, which terms of payment are unconditional, or, otherwise
      than as permitted by the Indenture, the creation of any lien ranking prior
      to or
      on a parity with the lien of the Indenture with respect to any of the mortgaged
      property, all as more fully provided in the Indenture.




The
      bonds
      of this Series may be called for redemption by the Company, as a whole at any
      time or in part from time to time, at a redemption price equal to 100% of the
      principal amount of the bonds of this Series to be redeemed plus accrued and
      unpaid interest on the principal amount being redeemed to the date of redemption
      and the Make-Whole Amount (as defined in the Supplemental Indenture) applicable
      thereto.


-4-





Notice
      of
      each redemption shall be mailed to all registered owners not less than thirty
      nor more than forty-five days before the redemption date.




In
      case
      of certain completed defaults specified in the Indenture, the principal of
      this
      bond may be declared or may become due and payable in the manner and with the
      effect provided in the Indenture.




No
      recourse shall be had for the payment of the principal of or the interest or
      the
      premium, if any, on this bond, or for any claim based hereon, or otherwise
      in
      respect hereof or of the Indenture, to or against any incorporator, stockholder,
      officer or director, past, present or future, of the Company or of any
      predecessor or successor corporation, either directly or through the Company
      or
      such predecessor or successor corporation, under any constitution or statute
      or
      rule of law, or by the enforcement of any assessment or penalty, or otherwise,
      all such liability of incorporators, stockholders, directors and officers being
      waived and released by the registered owner hereof by the acceptance of this
      bond and being likewise waived and released by the terms of the Indenture,
      all
      as more fully provided therein.




This
      bond
      is transferable by the registered owner hereof, in person or by duly authorized
      attorney, at the office or agency of the Company in the City of Chicago, State
      of Illinois, or, at the option of registered owner, at the office or agency
      of
      the Company in the Borough of Manhattan, The City and State of New York, upon
      surrender and cancellation of this bond; and thereupon a new registered bond
      or
      bonds without coupons of the same aggregate principal amount and series will,
      upon the payment of any transfer tax or taxes payable, be issued to the
      transferee in exchange herefor. The Company shall not be required to exchange
      or
      transfer this bond if this bond or a portion hereof has been selected for
      redemption.




The
      security represented by this certificate has not been registered under the
      Securities Act of 1933, as amended (the “ **Securities
      Act** ”),
      or
      qualified under any state securities laws and may not be transferred, sold
      or
      otherwise disposed of except while a registration statement is in effect or
      pursuant to an available exemption from registration under the Securities Act
      and applicable state securities laws.




(END
      OF
      BOND FORM)




and




WHEREAS,
      all acts and things necessary to make this Supplemental Indenture, when duly
      executed and delivered, a valid, binding and legal instrument in accordance
      with
      its terms, and for the purposes herein expressed, have been done and performed,
      and the execution and delivery of this Supplemental Indenture have in all
      respects been duly authorized;




NOW,
      THEREFORE, in consideration of the premises and of the sum of one dollar paid
      by
      the Trustee to the Company, and for other good and valuable consideration,
      the
      receipt of which is hereby acknowledged, for the purpose of securing the due
      and
      punctual payment of the principal of and the interest and premium, if any,
      on
      all bonds which shall be issued under the Indenture, and for the purpose of
      securing the faithful performance and observance of all the covenants and
      conditions set forth in the Indenture and in all indentures supplemental
      thereto, the Company by these presents does grant, bargain, sell, transfer,
      assign, pledge, mortgage, warrant


-5-


and
        convey unto BNY Midwest Trust Company, as Trustee, and its successor or
        successors in the trust hereby created, all property, real and personal (other
        than property expressly excepted from the lien and operation of the Indenture),
        which, at the actual date of execution and delivery of this Supplemental
        Indenture, is solely used or held for use in the operation by the Company
        of its
        gas utility system and in the conduct of its gas utility business and all
        property, real and personal, used or useful in the gas utility business (other
        than property expressly excepted from the lien and operation of the Indenture)
        acquired by the Company after the actual date of execution and delivery of
        this
        Supplemental Indenture or (subject to the provisions of Section 16.03 of
        the
        Indenture) by any successor corporation after such execution and delivery,
        and
        it is further agreed by and between the Company and the Trustee as
        follows:




ARTICLE
      I.




BONDS
      OF
      THIS SERIES




Section
      1.  The
      bonds
      of this Series shall, as hereinbefore recited, be designated as the Company’s
“First Mortgage Bonds, 5.85% Series due December 15, 2036”. The bonds of this
      Series which may be issued and outstanding shall not exceed $50,000,000 in
      aggregate principal amount, exclusive of bonds of such series authenticated
      and
      delivered pursuant to Section 4.12 of the Indenture.




Section
      2.  The
      bonds
      of this Series shall be registered bonds without coupons, and the form of such
      bonds, and of the Trustee’s certificate of authentication to be endorsed on all
      bonds of this Series, shall be substantially as hereinbefore recited,
      respectively.




Section
      3.  The
      bonds
      of this Series shall be issued in the denomination of $1,000,000 each and in
      such integral multiple or multiples thereof as shall be determined and
      authorized by the Board of Directors of the Company or by any officer of the
      Company authorized by the Board of Directors to make such determination, the
      authorization of the denomination of any bond to be conclusively evidenced
      by
      the execution thereof on behalf of the Company. The bonds of this Series shall
      be numbered RU-1 and consecutively upwards, or in such other appropriate manner
      as shall be determined and authorized by the Board of Directors of the
      Company.




All
      bonds
      of this Series shall be dated December 15, 2006 except that each bond issued
      on
      or after the first payment of interest thereon shall be dated as of the date
      of
      the interest payment date thereof to which interest shall have been paid on
      the
      bonds of such series next preceding the date of issue, unless issued on an
      interest payment date to which interest shall have been so paid, in which event
      such bonds shall be dated as of the date of issue; provided, however, that
      bonds
      issued on or after November 15 and before the next succeeding December 1 or
      on
      or after May 15 and before the next succeeding June 1 shall be dated the next
      succeeding interest payment date if interest shall have been paid to such date.
      All bonds of this Series shall mature December 15, 2036 and shall bear interest
      at the rate of 5.85% per annum until the principal thereof shall be paid. Such
      interest shall be calculated on the basis of a 360-day year consisting of twelve
      30-day months and shall be payable semi-annually on the first day of June and
      the first day of December in each year, beginning June 1, 2007. So long as
      there
      is no existing default in the payment of interest on the bonds of this Series,
      such interest shall be


-6-


payable
        to the person in whose name each such bond is registered on the November
        15 or
        May 15 (whether or not business day), as the case may be, next preceding
        the
        respective interest payment dates; provided, however, if and to the extent
        that
        the Company shall default in the payment of interest due on such interest
        payment date, such defaulted interest shall be paid to the person in whose
        name
        each such bond is registered on the record date fixed, in advance, by the
        Company for the payment of such defaulted interest **.** Interest
        will accrue on overdue interest installments at the rate of 5.85% per annum.




The
      principal of and interest and premium, if any, on the bonds of this Series
      shall
      be payable in any coin or currency of the United States of America which at
      the
      time of payment is legal tender for the payment of public and private debts,
      and
      shall be payable at the office or agency of the Company in the City of Chicago,
      State of Illinois, or, at the option of the registered owner, at the office
      or
      agency of the Company in the Borough of Manhattan, The City and State of New
      York. Any installment of interest on the bonds may, at the Company’s option, be
      paid by mailing checks for such interest payable to or upon the written order
      of
      the person entitled thereto to the address of such person as it appears on
      the
      registration books. The bonds of this Series shall be registrable, transferable
      and exchangeable in the manner provided in Sections 4.08 and 4.09 of the
      Indenture, at either of such offices or agencies.




Section
      4.  The
      bonds
      of this Series, upon the mailing of notice and in the manner provided in Section
      7.01 of the Indenture (except that no published notice shall be required for
      the
      bonds of this Series) and with the effect provided in Section 7.02 thereof,
      shall be redeemable at the option of the Company, as a whole at any time or
      in
      part from time to time, at a redemption price equal to 100% of the principal
      amount of the bonds of this Series to be redeemed plus accrued and unpaid
      interest of the principal amount being redeemed to the date of redemption plus
      the Make-Whole Amount applicable thereto. **“Make-Whole
      Amount”** means,
      with respect to any bond of this Series, an amount equal to the excess, if
      any,
      of the Discounted Value of the Remaining Scheduled Payments with respect to
      the
      Called Principal of such bond of this Series over the amount of such Called
      Principal, *provided* that the
      Make-Whole Amount may in no event be less than zero. For the purposes of
      determining the Make-Whole Amount, the following terms have the following
      meanings:




**“Called
      Principal”** means,
      with respect to any bond of this Series, the principal of such bond of this
      Series that is to be redeemed.




**“Discounted
      Value”** means,
      with respect to the Called Principal of any bond of this Series, the amount
      obtained by discounting all Remaining Scheduled Payments with respect to such
      Called Principal from their respective scheduled due dates to the Settlement
      Date with respect to such Called Principal, in accordance with accepted
      financial practice and at a discount factor (applied on the same periodic basis
      as that on which interest on the bond of this Series is payable) equal to the
      Reinvestment Yield with respect to such Called Principal.




**“Reinvestment
      Yield”** means,
      with respect to the Called Principal of any bond of this Series, .50% over
      the
      yield to maturity implied by (i) the yields reported as of 10:00 a.m. (New
      York City time) on the second Business Day preceding the Settlement Date with
      respect to such Called Principal, on the display designated as “Page PX1” (or
      such other display as may replace Page PX1) on Bloomberg Financial Markets
      ( **“Bloomberg”** )
      or, if
      Page PX1 (or its


-7-


successor
        screen on Bloomberg) is unavailable, the Telerate Access Service screen which
        corresponds most closely to Page PX1 for the most recently issued actively
        traded U.S. Treasury securities having a maturity equal to the Remaining
        Average
        Life of such Called Principal as of such Settlement Date, or **** (ii) if
        such yields are not reported as of such time or the yields reported as of
        such
        time are not ascertainable (including by way of interpolation), the Treasury
        Constant Maturity Series Yields reported, for the latest day for which such
        yields have been so reported as of the second Business Day preceding the
        Settlement Date with respect to such Called Principal, in Federal Reserve
        Statistical Release H.15 (519) (or any comparable successor publication)
        for
        actively traded U.S. Treasury securities having a constant maturity equal
        to the
        Remaining Average Life of such Called Principal as of such Settlement Date.
        Such
        implied yield will be determined, if necessary, by (a) converting U.S.
        Treasury bill quotations to bond equivalent yields in accordance with accepted
        financial practice and (b) interpolating linearly between (1) the
        actively traded U.S. Treasury security with the maturity closest to and greater
        than such Remaining Average Life and (2) the actively traded U.S. Treasury
        security with the maturity closest to and less than such Remaining Average
        Life.
        The Reinvestment Yield shall be rounded to the number of decimal places as
        appears in the interest rate of the applicable bond of this
        Series.




**“Remaining
      Average Life”** means,
      with respect to any Called Principal, the number of years (calculated to the
      nearest one-twelfth year) obtained by dividing (i) such Called Principal
      into (ii) the sum of the products obtained by multiplying (a) the
      principal component of each Remaining Scheduled Payment with respect to such
      Called Principal by (b) the number of years (calculated to the nearest
      one-twelfth year) that will elapse between the Settlement Date with respect
      to
      such Called Principal and the scheduled due date of such Remaining Scheduled
      Payment.




**“Remaining
      Scheduled Payments”** means,
      with respect to the Called Principal of any bond of this Series, all payments
      of
      such Called Principal and interest thereon that would be due after the
      Settlement Date with respect to such Called Principal if no payment of such
      Called Principal were made prior to its scheduled due date, *provided* that if
      such Settlement Date is not a date on which interest payments are due to be
      made
      under the terms of the bond of this Series, then the amount of the next
      succeeding scheduled interest payment will be reduced by the amount of interest
      accrued to such Settlement Date and required to be paid on such Settlement
      Date
      pursuant to the terms of this Supplemental Indenture.




**“Settlement
      Date”** means,
      with respect to the Called Principal of any bond of this Series, the date on
      which such Called Principal is to be redeemed **.**




Section
      5.  No
      sinking fund is to be provided for the bonds of this Series.




ARTICLE
      II.




MISCELLANEOUS
      PROVISIONS




Section
      1.  This
      Supplemental Indenture is executed by the Company and the Trustee pursuant
      to
      provisions of Section 4.02 of the Indenture and the terms and conditions hereof
      shall be deemed to be a part of the terms and conditions of the Indenture for
      any and all purposes. The


-8-


Indenture,
        as heretofore supplemented and as supplemented by this Supplemental Indenture,
        is in all respects ratified and confirmed.




Section
      2.  This
      Supplemental Indenture shall bind and, subject to the provisions of Article
      XVI
      of the Indenture, inure to the benefit of the respective successors and assigns
      of the parties hereto.




Section
      3.  Although
      this Supplemental Indenture is made as of December 1, 2006, effective December
      15, 2006, it shall be effective only from and after the actual time of its
      execution and delivery by the Company and the Trustee on the date indicated
      by
      their respective acknowledgements hereto.




Section
      4.  This
      Supplemental Indenture may be simultaneously executed in any number of
      counterparts, and all such counterparts executed and delivered, each as an
      original, shall constitute but one and the same instrument.









*  *  *









*Signature
      Page Follows*




-9-





IN
      WITNESS WHEREOF, Northern Illinois Gas Company has caused this Supplemental
      Indenture to be executed in its name by its President, a Vice President, or
      Treasurer, and its corporate seal to be hereunto affixed and attested by its
      Assistant Secretary, and BNY Midwest Trust Company, as Trustee under the
      Indenture, has caused this Supplemental Indenture to be executed in its name
      by
      one of its Assistant Vice Presidents, and its seal to be hereunto affixed and
      attested by one of its Assistant Secretaries, all as of the day and year first
      above written.




NORTHERN
                ILLINOIS GAS COMPANY
              
              BY:/s/
                GERALD P.
                O'CONNOR
              Gerald
                P. O’Connor
              Vice
                President Finance and TreasurerATTEST:
              
              BY:
                /s/ NEIL J.
                MALONEY
              Neil J. Maloney
              Assistant
                General Counsel and Assistant
              SecretaryBNY
                MIDWEST TRUST COMPANY,
              *as
                Trustee*
              
              BY:
                /s/ L
                GARCIA
              Name:
                L. Garcia
              Title:
                Assistant Vice PresidentATTEST:
              
              BY:
                /s/
                D.G. DONOVAN
              Name:
                D. G. DONOVAN
              Title:
                ASSISTANT SECRETARY












STATE
      OF
      ILLINOIS  }  SS:


COUNTY
      OF
      DUPAGE  }




I,
      Dawn M. Opon, a Notary Public in the State aforesaid, DO HEREBY CERTIFY
      that Gerald P. O’Connor, Vice President Finance and Treasurer of Northern
      Illinois Gas Company, an Illinois corporation, one of the parties described
      in
      and which executed the foregoing instrument, and Neil J. Maloney, Assistant
      General Counsel and Assistant Secretary of said corporation, who are both
      personally known to me to be the same persons whose names are subscribed to
      the
      foregoing instrument as such Vice President Finance and Treasurer and Assistant
      General Counsel and Assistant Secretary, respectively, and who are both
      personally known to me to be the Vice President Finance and Treasurer and
      Assistant General Counsel and Assistant Secretary, respectively, of said
      corporation, appeared before me this day in person and severally acknowledged
      that they signed, sealed, executed and delivered said instrument as their free
      and voluntary act as such Vice President Finance and Treasurer and Assistant
      General Counsel and Assistant Secretary, respectively, of said corporation,
      and
      as the free and voluntary act of said corporation, for the uses and purposes
      therein set forth.




GIVEN
      under my hand and notarial seal this 1st day of December, 2006
      A.D.




/s/
              DAWN M.
              OPON*Notary
                Public*





My
      Commission expires March 31st, 2010.









STATE
      OF
      ILLINOIS}SS:


COUNTY
      OF
      COOK }




I,
A.
      Hernandez, a Notary Public in and for the said County, in the State
      aforesaid, DO HEREBY CERTIFY that L. Garcia, Assistant Vice President of
      BNY Midwest Trust Company, an Illinois trust company, one of the parties
      described in and which executed the foregoing instrument, and D.G.
      Donovan, an Assistant Secretary of said trust company, who are both
      personally known to me to be the same persons whose names are subscribed to
      the
      foregoing instrument as such Assistant Vice President and Assistant Secretary,
      respectively, and who are both personally known to me to be an Assistant Vice
      President and an Assistant Secretary, respectively, of said trust company,
      appeared before me this day in person and severally acknowledged that they
      signed, sealed, executed and delivered said instrument as their free and
      voluntary act as such Assistant Vice President and Assistant Secretary,
      respectively, of said trust company, and as the free and voluntary act of said
      trust company, for the uses and purposes therein set forth.




GIVEN
      under my hand and notarial seal this 5th day of December, 2006 A.D.




/s/
              A.
              HERNANDEZ*Notary
                Public*





My
      Commission expires July 8, 2010.












**RECORDING
      DATA**




This
      Supplemental Indenture was recorded on December 8, 11 and 13, 2006, in the
      office of the Recorder of Deeds in certain counties in the State of Illinois,
      as
      follows:




**County**
            **Document
                No.**Cook
            0634231132Adams
            200207661Boone
            2006R13647Bureau
            2006-R07190Carroll
            2006R-5189Champaign
            2006R33801DeKalb
            2006-022746DeWitt
            217551DuPage
            R2006-235746Ford
            237644Grundy
            472045Hancock
            2006-3829Henderson
            163193Henry
            20-0610664Iroquois
            06R5743JoDaviess
            332228Kane
            2006K133305Kankakee
            2006030672Kendall
            200600039633Lake
            2006-00019905LaSalle
            2006-30915Lee
            2006008204Livingston
            576019McHenry
            2006R0089834McLean
            2006-00034217Mercer
            354534Ogle
            0612757Piatt
            327574Pike
            06-4002Rock
                Island
            2006-29338Stephenson
            20060081732Tazewell
            200600028016Vermilion
            06-15773Whiteside
            10283-2006Will
            2006R203956Winnebago
            0673599Woodford
            608607