Exhibit 2.5

                                                                  CONFORMED COPY

                     CONTRIBUTION AND SUBSCRIPTION AGREEMENT

                                     BETWEEN

                       MACQUARIE INFRASTRUCTURE ASSETS LLC

                                 as Contributor

                       MACQUARIE LUXEMBOURG WATER S.A.R.L.

                                 as Contributee

                                 LOYENS WINANDY
                                   LUXEMBOURG




      THIS CONTRIBUTION AND SUBSCRIPTION AGREEMENT (the AGREEMENT) is made as of
June 7, 2004

BETWEEN

Macquarie Infrastructure Assets LLC, a Delaware limited liability company whose
principal executive office is at 600 Fifth Avenue, 21st floor, 10020, New York,
USA (the CONTRIBUTOR), and

Macquarie Luxembourg Water S.A.R.L., a Luxembourg private limited liability
company (societe a responsabilite limitee), incorporated in Luxembourg whose
registered office at 5, rue Guillaume Kroll - BP 2501, L-1025, Luxembourg,
registered number R.C.S. Luxembourg B 100.413 (the CONTRIBUTEE).

The Contributor and the Contributee are hereinafter, as the context so requires,
collectively referred to as the PARTIES and each individually as a PARTY.

WHEREAS:

      (A)   Macquarie Water (UK) Limited (UK WATER) is the holding company of
            Southern Utilities (Holdings) Limited.

      (B)   The Contributee and the existing shareholders of the Contributee
            have entered into a Shareholders Agreement governing the management
            of the Contributee (SHAREHOLDERS AGREEMENT) (a copy of which is
            attached to this Agreement at Schedule 1).

      (C)   Pursuant to a Share Purchase Agreement dated 30 April 2004 between
            the Contributee as Purchaser, Macquarie Bank Limited as Guarantor
            and Macquarie Leasing (UK) Limited as Seller(SHARE PURCHASE
            AGREEMENT) (a copy of which is attached to this Agreement at
            Schedule 2), the Contributee became a 75.1% shareholder of UK Water.

      (D)   Pursuant to the Share Purchase Agreement the Contributee has the
            option to acquire the remaining shares in UK Water held by Macquarie
            Leasing (UK) Limited and subscribe for certain loans in UK Water.

      (E)   The Contributor wishes to invest in UK Water via the Contributee.

      (F)   To that end, the Contributor shall subscribe for ordinary shares in
            the capital of the Contributee and the Contributor shall also
            subscribe for Preferred Equity Certificates (PECS) in the
            Contributee.

      (G)   Terms which are not defined in this Agreement shall have the meaning
            attributed to them in the Share Purchase Agreement and in the
            Shareholders' Agreement.

IT IS AGREED AS FOLLOWS:

1.          CONTRIBUTION

1.1         Subject to the satisfaction of the Conditions Precedent as defined
            in clause 4 of this Agreement, the Contributor hereby agrees to
            contribute a contribution (the CONTRIBUTOR'S COMMITMENT) in cash in
            GBP to the Contributee of the aggregate of (i) 17.5 per cent. of one
            hundred and eleven million pounds ((pound)111,000,000) plus the
            Carry, (ii) the applicable UK stamp duty payable on the transfer of
            9,712,500 shares in UK Water (the STAMP DUTY) and (iii) (pound)23,
            302 in respect of a working capital funding requirement for the
            Contributee (the WORKING CAPITAL REQUIREMENT).

1.2         In exchange for the Contributor's Commitment, the Contributee shall
            issue and allot to the Contributor, subject also to the satisfaction
            of the Conditions Precedent as defined in clause 4 of this Agreement

                  -     175 new ordinary shares with a par value of twenty five
                        euro ((euro)25.00) each in the share capital of tHe
                        Contributee (the CONSIDERATION SHARES);

                  -     9,712,500 B PECS with a par value of one pound
                        ((pound)1.00) each (the CONSIDERATION B-PECS); and

                  -     such number of A PECS (the CONSIDERATION A-PECS) with a
                        par value of one euro ((euro)1.00) each so as to ensure
                        that following the satisfaction by the parties of their
                        respective obligations in clauses 1, 2 and 3 of this
                        Agreement the entitlement of the A PECs held by the
                        Contributor expressed as a percentage of all of the A
                        PECs issued by the Contributee is the

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                        same as the proportion of Consideration Shares expressed
                        as a percentage of the entire issued ordinary shares of
                        twenty five euro ((euro)25.00) each in the Contributee.

            The Consideration A PECs and the Consideration B PECs together are
            referred to herein as the CONSIDERATION PECS.

1.3         The Contributor's Commitment shall be apportioned among the
            Consideration Shares and the Consideration PECs as follows:

                  -     Euro 4,418.75 in aggregate in respect of the
                        Consideration Shares, comprising Euro 4,375 in respect
                        of the ordinary shares and Euro 43.75 in respect of the
                        capital duty payable on such shares;

                  -     (pound)9,712,500 in respect of the Consideration B PECs;
                        and

                  -     the remaining balance in aggregate in respect of the
                        Consideration A PECs.

1.4         The Contributor's Commitment shall be paid by the Contributor in one
            installment as soon as possible after the satisfaction of the
            Conditions Precedent, and in any event no later than 14 days after
            the satisfaction of the Conditions Precedent. In exchange for the
            contribution and transfer of the Contributor's Commitment the
            Contributee shall issue and allot to the Contributor the
            Consideration Shares and the Consideration PECS (and the Contributor
            shall execute preferred equity certificate agreements in respect of
            both the A PECs and the B PECs, such agreements setting out the
            terms and conditions of the A PECs and B PECs respectively).

For the purposes of this clause 1 the following term has the meaning given to it
below:

CARRY is an amount calculated as follows

(A x 12% x T / 365) - (B + C)

where :

A = 17.5 per cent. of(pound)111,000,000 (111 million pounds);

B = the amount of interest on P, calculated in accordance with the terms of the
Existing Loan Note Instrument, for the period comprised in T;

C = the amount of any dividends paid by UK Water in the period comprised in T in
respect of 9,712,500 of the Retained Shares the subject of the exercise of the
Call Option;

P = the nominal amount of Existing Loan Notes equal to the nominal value of
9,712,500 of the Retained Shares the subject of the Call Option; and

T = the number of days elapsed from (and including) 30 April 2004 to (but
excluding) the Transfer Date.

2 TRANSFER OF THE CONTRIBUTEE'S COMMITMENT - ALLOTMENT OF THE SHARES

2.1         The transfer of the Contributee's Commitment to the Contributor
            shall take place within 14 days of the satisfaction of the
            Conditions Precedent.

2.2.        The issue and the allotment of the Consideration Shares and the
            Consideration PECS shall take place at an extraordinary general
            meeting to be held before a notary in Luxembourg on or after the day
            the Contributor's Commitment has arrived on the Contributee's bank
            account (the TRANSFER DATE).

2.3         The Contributor instructs and authorizes the Contributee to register
            on the Transfer Date, in its name and on its behalf, the allotment
            and the issue of the Consideration Shares in the partners' register
            of the Contributee and the Contributee shall issue to the
            Contributor evidence of its ownership of the Consideration Shares.

2.4         The Contributor instructs and authorizes the Contributee to register
            on the Transfer Date, in its name and on its behalf, the allotment
            and the issue of the Consideration PECS in the register and transfer
            book maintained by the Contributee for each of the A PECS and the B
            PECS and the Contributee shall issue to the Contributor evidence of
            its ownership of the Consideration PECS.

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2.5         This ownership to the Consideration Shares and the Consideration
            PECS and all rights and obligations attached thereto, including the
            right to dividends or other distributions attached to the
            Consideration Shares and the right to returns and redemption
            attached to the Consideration PECs, will vest with the Contributor
            as from the Transfer Date.

3           USE OF CONTRIBUTOR'S COMMITMENT

3.1         On the Transfer Date the Contributee shall:

            (a)   exercise the Call Option in accordance with the provisions of
                  Clause 10.15 of the Share Purchase Agreement in order to
                  acquire certain shares and subscribe for certain loan notes in
                  UK Water of an aggregate amount equal to the Contributor's
                  Commitment as reduced by the Stamp Duty and the Working
                  Capital Requirement; and

            (b)   other than with respect to the Working Capital Requirement,
                  use the Contributor's Commitment in order to satisfy the (i)
                  consideration payable by the Contributee to Macquarie Leasing
                  (UK) Limited on the exercise of the Call Option, (ii) the
                  amount payable to UK Water in respect of the Contributee's
                  subscription of New Loan Notes and (iii) the payment of the
                  Stamp Duty.

3.2         Save for the Working Capital Requirement, the Contributee shall not
            use the Contributor's Commitment for any purpose except in
            accordance with this clause 3.

4           CONDITIONS PRECEDENT

4.1         The obligation to contribute the Contributor's Commitment,
            respectively to issue and allot the Consideration Shares and the
            Consideration PECS according to clauses 1 and 2 is conditional upon
            satisfaction of the completion of the following conditions:

            4.1.1 initial public offering of Macquarie Infrastructure Assets
                  Trust, the ultimate parent of the Contributor (the IPO); and

            4.1.2 the legal and intra-group financing structure of the
                  Contributee and its subsidiaries subsequent to the proposed
                  refinancing of the current borrowings of Water UK and prior to
                  the Transfer Date being in a form that, subject to the
                  Contributee and certain direct and indirect subsidiaries of
                  the Contributee making an election under US Treasury
                  Regulations Section 301.7701-3 (as required pursuant to Clause
                  9), in the reasonable opinion of the Contributor (i) all cash
                  distributions received by the Contributor in relation to its
                  investment in the Contributee will be treated as qualifying
                  dividends for US federal income tax purposes and (ii) the
                  Contributor, in the ordinary course of business or as a result
                  of any financial transactions or legal actions then
                  contemplated by the Contributee or any of its direct or
                  indirect subsidiaries, will not be required to take into
                  account in a taxable year, for US federal income tax purposes,
                  net taxable income in excess of cash distributions.

                  The Contributee will provide the Contributor with the
                  information necessary for the Contributor to confirm that this
                  condition precedent has been met.

            (together the CONDITIONS PRECEDENT)

4.2         The Contributor will give notice to the Contributee within 1 day of
            the occurrence of the satisfaction of the Conditions Precedent. Upon
            receipt of such notice the Contributee will, in accordance with the
            provisions of the Shareholders Agreement, ensure that the necessary
            corporate steps are taken to allow for the issuance of the
            Consideration Shares and the Consideration PECs to the Contributor
            in accordance with clause 2.

4.3         If the Conditions Precedent are not satisfied on or before the date
            falling twelve months after the date hereof or such later period of
            time as the Contributor and Contributee may agree in writing then
            this Agreement shall terminate and no party shall have any claim
            against the other party under it.

5           CONDUCT OF BUSINESS

5.1         Prior to the Transfer Date, the Contributee undertakes that it shall
            and will procure that each of its subsidiaries shall continue to
            carry on the Business as a going concern in a manner consistent with
            the ordinary course of the Business and shall refrain from taking
            any action that would be contrary to the commercial interests of the
            Business or would be contrary to any applicable laws or regulations.

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            For the purposes of this sub-clause BUSINESS means the business
            carried on by the Contributee and its subsidiaries as at, and prior
            to, the date of this Agreement and includes any part or parts of
            such business.

5.2         If prior to the Transfer Date, any event shall occur which affects
            or is likely to affect adversely to a material degree the financial
            position or turnover or profitability of UK Water and its
            subsidiaries (taken as a whole), not being an event affecting or
            likely to affect generally all companies carrying on similar
            business in the United Kingdom, the Contributor shall be entitled by
            notice in writing to the Contributee to terminate this Agreement but
            the occurrence of such event shall not give rise to any right to
            damages or compensation. The Contributee undertakes to promptly
            notify the Contributor in writing if, in their reasonable opinion,
            any event as described in this sub-clause has occurred or is
            reasonably likely to occur.

5.3         The Contributee further undertakes and warrants to the Contributor
            that prior to the Transfer Date, it will not carry on or be
            interested or otherwise involved in any business other than the
            holding of shares in UK Water.

6           REPRESENTATION AND WARRANTIES OF CONTRIBUTOR

            The Contributor hereby represents and warrants to the Contributee
            that:

            (a)   The Contributor has the legal right and full power and
                  authority to enter into this Agreement;

            (b)   The signing and the performance by the Contributor of this
                  Agreement is not contrary to any law or court order applicable
                  to the Contributor and do not constitute a breach of any
                  agreement to which the Contributor is a party or of the
                  constitutional documents of the Contributor; and

            (c)   The execution and delivery of this Agreement by the
                  Contributor has been duly authorised by the proper corporate
                  bodies and this Agreement constitutes legally binding
                  obligations of the Contributor in accordance with its terms.

7           REPRESENTATION AND WARRANTIES OF CONTRIBUTEE

            The Contributee hereby represents and warrants to the Contributor
            that:

            (a)   The Contributee has the legal right and full power and
                  authority to enter into and to perform this Agreement and to
                  issue the Consideration Shares and the Consideration PECs to
                  the Contributor in accordance with this Agreement;

            (b)   The signing and the performance by the Contributee of this
                  Agreement is not contrary to any law or court order applicable
                  to the Contributee and do not constitute a breach of any
                  agreement to which the Contributee is a party or of the
                  constitutional documents of the Contributee;

            (c)   The execution and delivery of this Agreement by the
                  Contributee has been duly authorised by the proper corporate
                  bodies and this Agreement constitutes legally binding
                  obligations of the Contributee in accordance with its terms;

            (d)   Upon the issuance of the Consideration Shares to the
                  Contributor in accordance with this Agreement and pursuant to
                  an extraordinary general meeting of the shareholders of the
                  Contributee to be held before a notary in Luxembourg, the
                  Consideration Shares will be validly issued to the Contributor
                  as fully paid shares in the capital of the Contributee; and

            (e)   Upon the issuance of the Consideration PECS to the Contributor
                  in accordance with this Agreement the Consideration PECS will
                  be validly issued to the Contributor and will be subject to
                  the same terms and conditions as any existing PECS issued by
                  the Contributee and as set out in the Terms and Conditions of
                  Class A Preferred Equity Certificates and the Terms and
                  Conditions of Class B Preferred Equity Certificates, both
                  dated 30 April 2004 and will be enforceable in accordance with
                  their terms.

8           SHAREHOLDERS AGREEMENT

            Upon the issue and allotment of the Consideration Shares and the
            Consideration PECs on the Transfer Date the Contributor will execute
            a Deed of Adherence (as such term is defined in the Shareholders
            Agreement) substantially in the form attached to this Agreement as
            Schedule 3 and thereby become a party to the

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            Shareholders Agreement and assume the rights and obligations of a
            shareholder under the Shareholders Agreement (a copy of which is
            attached to this Agreement as Schedule 1).

9           US TAXATION ELECTION

            Upon request by the Contributor, the Contributee shall file, or
            cause to be filed, in a form acceptable to the Contributor an
            election under U.S. Treasury Regulations Section 301.7701-3 with
            respect to the Contributee and any company or other entity under the
            direct or indirect control of the Contributee except for South East
            Water Limited (unless an election is not made under U.S. Treasury
            Regulations Section 301.7701-3 in relation to at least one entity
            that is a direct or indirect parent entity of South East Water
            Limited) and any other entity where such election would, in the
            reasonable opinion of Contributee, have a negative effect on the
            interests of the majority shareholder in the Contributee (each an
            ELECTION) such Elections to be effective at a time notified to the
            Contributee by the Contributor. Upon receipt of such request, the
            Contributee shall, and shall procure that any companies or other
            entities controlled by the Contributee shall, sign such forms and do
            all such acts as are necessary or appropriate to make the Election
            within a reasonable time.

10          ANNOUNCEMENTS

            No announcement or circular in connection with the existence or the
            subject matter of this Agreement shall be made or issued by or on
            behalf of the Contributor or the Contributee without (insofar as
            such consultation is reasonably practicable) prior consultation with
            the other party and the other party shall act reasonably during any
            such consultation process.

11          NOTICES

11.1        Any notice or other communication required or permitted to be given
            hereunder shall be in writing and shall be delivered in person,
            transmitted by facsimile or similar means of recorded electronic
            communication or sent by registered mail, charges prepaid, addressed
            as follows:

            (a)   in the case of the Contributor:

                  MACQUARIE INFRASTRUCTURE ASSETS LLC

                  Attention: Peter Stokes
                  Facsimile: +1 212 581 8037

            (b)   in the case of the Contributee:

                  MACQUARIE LUXEMBOURG WATER S.A.R.L.

                  Attention: Gerard Becquer
                  Facsimile: +352 48 18 28 3941

                  with a copy (which shall not constitute notice) to:

                  Attention: Annabelle Helps
                  Facsimile: +44 207 065 2041

11.2        Any such notice or other communication shall be deemed to have been
            given and received on the day on which it was delivered or
            transmitted if so delivered or transmitted prior to 5:00 p.m. local
            time at the place of the receipt or, if mailed, on the fifth day
            following the date of mailing.

11.3        Any Party may at any time change its address for service from time
            to time by giving notice to the other Party in accordance with this
            clause.

12          SEVERABILITY

            If any clause of this Agreement is or becomes void, unenforceable or
            prohibited in any jurisdiction, this shall not affect the validity
            and enforceability of the other terms of this Agreement or the
            validity and enforceability of such

                                       6



            clause in any other jurisdiction. In any such event, the parties to
            this Agreement will substitute a valid and enforceable clause in the
            place of the invalid, unenforceable or prohibited clause in the
            spirit and to the effect of the latter.

13          COUNTERPARTS

            This Agreement may be executed in any number of counterparts all of
            which when taken together shall constitute one and the same
            instrument. Either party may enter into this Agreement by executing
            any such counterpart.

14          NOVATION

14.1        The Contributee agrees that upon request by the Contributor this
            Agreement shall be novated by having an entity to be nominated by
            the Contributor substituted for the Contributor, such entity to be
            either a (i) subsidiary of the Contributor or (ii) a holding company
            of the Contributor or (iii) any subsidiary of a holding company
            under (ii) (such entity a NEW PARTY) and the Contributee shall
            execute a novation agreement in terms to be agreed at that time
            between the Contributee and the Contributor.

14.2        Following any novation pursuant to clause 14.1 above, the
            Contributor agrees to guarantee to the Contributee the due and
            punctual performance and discharge of the obligations of any new
            party under this Agreement.

15          GOVERNING LAW AND JURISDICTION

15.1        This Agreement is governed by, and shall be construed in accordance
            with, the laws of the Grand Duchy of Luxembourg.

15.2        Any dispute arising in connection with this Agreement shall be
            submitted to the competent courts of the District of Luxembourg.

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IN WITNESS WHEREOF, the Parties hereto have duly executed this Agreement or have
caused it to be duly executed in three originals as of the date first set forth:

THE CONTRIBUTOR

MACQUARIE INFRASTRUCTURE ASSETS LLC

/s/ PETER STOKES
- ----------------------
By: Peter Stokes
Title: Chief Executive Officer

THE CONTRIBUTEE

MACQUARIE LUXEMBOURG WATER S.A.R.L.

/s/ JIM CRAIG                               /s/ GEORG VIETOR
- ------------------                          ----------------------
By: Jim Craig                               By: Georg Vietor
Title: Manager                              Title: Manager

                                       8


                                                                     Exhibit 2.5

                      MACQUARIE INFRASTRUCTURE COMPANY LLC

                          PRINCIPAL EXECUTIVE OFFICES:
          600 Fifth Avenue, 21st Floor, New York, New York, 10020, USA
                   REGISTERED OFFICE IN THE STATE OF DELAWARE:
                  Corporation Trust Center, 1209 Orange Street,
                   City of Wilmington, County of New Castle.
                REGISTERED AGENT: The Corporation Trust Company



To:   Macquarie Luxembourg Water S.A.R.L
      5, rue Guillaume Kroll - BP 2501,
      L-1025, Luxembourg

                                                                15, October 2004

Dear Sirs,

SOUTH EAST WATER

We refer to the contribution and subscription agreement between Macquarie
Infrastructure Company LLC (formerly Macquarie Infrastructure Assets LLC) (the
"CONTRIBUTOR") and Macquarie Luxembourg Water S.A.R.L (the "CONTRIBUTEE")
relating to the subscription by the Contributor of ordinary shares and preferred
equity certificates in the capital of the Contributee, dated 7 June 2004 (the
"AGREEMENT"). In consideration of each party agreeing to be bound by the terms
set out herein, the Agreement shall be amended as follows, such amendment to be
effective as of the date hereof:

      1.    in the description of the parties thereto, the reference to
            "Macquarie Infrastructure Assets LLC, a Delaware limited liability
            company whose principal executive offices is at 600 Fifth Avenue,
            21st floor, 10020, New York, USA" shall be deleted and replaced by
            reference to "Macquarie Infrastructure Company LLC a Delaware
            limited liability company whose principal executive office is at 600
            Fifth Avenue, 21st floor, 10020, New York, USA".

      2.    the following change being made to the definition of "Carry" in
            clause 1 (Contribution):

            (i)   the deletion of the formula "(A x 12% x T / 365) - (B + C)"
                  and its replacement with the following formula "(A x 17% x T /
                  365) - (B + C)".

For the avoidance of doubt, all other provisions of the Agreement remain
unchanged and as stated.

Unless otherwise stated, all capitalised terms in this letter shall have the
same meaning as in the Agreement.


                                       1

This Letter shall be governed by, and shall be construed in accordance with, the
laws of the grand Duchy of Luxembourg. Any dispute arising in connection with
this Agreement shall be submitted to the competent courts of the District of
Luxembourg.

Please confirm your agreement to the above by counter-signing this letter in the
space provided below.

Yours faithfully,



 /s/ Peter Stokes
- -----------------------------------
Name:  Peter Stokes
Title:  Chief Executive Officer

For and on behalf of
MACQUARIE INFRASTRUCTURE COMPANY LLC



We agree to the terms and conditions of this letter as set out above.

 /s/ Jim Craig
- -----------------------------------
Name:  Jim Craig
Title:  Director

For and on behalf of
MACQUARIE LUXEMBOURG WATER S.A.R.L


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                                                                     EXHIBIT 2.5

MACQUARIE INFRASTRUCTURE COMPANY LLC
(formerly Macquarie Infrastructure Assets LLC)
600 Fifth Avenue,
21st floor,
10020, New York
USA

SOUTH EAST WATER LLC
600 Fifth Avenue,
21st floor,
10020, New York
USA

Date: 15 November 2004

MACQUARIE LUXEMBOURG WATER S.A.R.L.
(registered number B 100.413)
5, rue Guillaume Kroll,
BP 2501,
L-1025
Luxembourg

Dear Sirs,

CONTRIBUTION AND SUBSCRIPTION AGREEMENT - NOVATION OF AGREEMENT

As you are already aware, Macquarie Infrastructure Company Trust (the ultimate
parent of Macquarie Infrastructure Company LLC (formerly Macquarie
Infrastructure Assets LLC) ("MICL")) is proposing to conduct an initial public
offering and in connection with, this transaction, MICL now wishes to novate in
favour of South East Water LLC ("SEW") all of its rights and obligations under
the Agreement on the terms of this letter.

In this letter, "Agreement" means the contribution and subscription agreement
relating to the subscription of ordinary shares and preferred equity
certificates in Macquarie Luxembourg Water S A.R.L. made between MICL (1) and
you (2) and dated 7 June, 2004 and "Relevant Time" means the date of this
letter.

1.    By signing this letter agreement, we, MICL and SEW, agree with you that,
      with effect from the Relevant Time:

1.1   MICL and you shall, as regards each other, be released from its and your
      respective rights and obligations relating to the Agreement (but nothing
      in this letter agreement



      shall affect or prejudice any claim or demand whatsoever which MICL may
      have against you or which you may have against MICL in relation to the
      Agreement and arising out of matters prior to the Relevant Time);

1.2   in its relationship with you, SEW shall observe, perform, discharge and be
      bound by the Agreement as if SEW were a party to the Agreement in place of
      MICL; and

1.3   in your relationship with SEW, you shall observe, perform, discharge and
      be bound by the Agreement as if SEW were a party thereto in place of MICL.

2.    Nothing in this letter shall require SEW to perform any obligation created
      by or arising under the Agreement falling due for performance, or which
      should have been performed, before the Relevant Time; make SEW liable for
      any act, neglect, default or omission in respect of the Agreement
      committed by MICL or occurring before the Relevant Time, or impose any
      obligation on SEW for or in respect of any service performed by MICL
      before the Relevant Time.

3.    Each of SEW, MICL and you also agree to do all such other acts and things
      and execute all such documents as are reasonably necessary for giving full
      effect to the novation of the rights and obligations under the Agreement
      in accordance with the terms of this letter.

4.    MICL agrees to guarantee to you the due and punctual performance and
      discharge of the obligations of SEW under the Agreement.

5.    This letter may be executed in any number of counterparts and by the
      parties to it on separate counterparts.

6.    This letter shall be governed by and shall be construed in accordance with
      the laws of the Grand Duchy of Luxembourg and any dispute arising in
      connection with this letter shall be submitted to the competent courts of
      the District of Luxembourg.

Please confirm your acceptance of the novation of the Agreement to SEW on the
terms of this letter by signing the enclosed copies of this letter and returning
one signed copy to MICL and one signed copy to SEW at the addresses mentioned
above.

Yours sincerely,

/s/ PETER STOKES
- -------------------------------------------------
For and on behalf of
MACQUARIE INFRASTRUCTURE COMPANY LLC


/s/ David M. Mitchell
- -------------------------------------------------
For and on behalf of
SOUTH EAST WATER LLC


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