<DOCUMENT>
<TYPE>EX-10.12
<SEQUENCE>4
<FILENAME>g88198exv10w12.txt
<DESCRIPTION>AMENDMENT TO EMPLOYMENT CONTRACT/ PETER RIBBINS
<TEXT>
<PAGE>
                                                                   Exhibit 10.12

                        AMENDMENT OF EMPLOYMENT CONTRACT


THIS AGREEMENT is made this 5th day of December, 2003

BETWEEN:          CONSOLIDATED WATER CO. LTD., a Cayman Islands company having
                  its registered office at Trafalgar Place, West Bay Road, P.O.
                  Box 1114 GT, Grand Cayman, BWI ("the Company")

AND:              Peter D. Ribbins of P.O. Box 1114GT, Grand Cayman, BWI ("the
                  Director of Public Relations")

WHEREAS:

         A.       The Company and the Director of Public Relations entered into
                  an employment contract dated the 30th of September 2003("the
                  Employment Contract")

         B.       The parties are now desirous of amending the same, in
                  accordance with the terms of this Agreement.

NOW IN CONSIDERATION of the mutual covenants contained herein the parties agreed
that the Employment Contract shall be amended and/or rectified as follows:

                  By adding the following paragraph as the second paragraph of
                  Clause 3; "For the financial year 2003 only, the Director of
                  Public Relations shall be granted an option to purchase for
                  cash payable in full upon the exercise of the option, a number
                  of Ordinary Shares which equals the number of US$ which
                  represents 5/6 x 1% of the net profit of the Company for the
                  2003 financial year at the closing market price of the
                  Company's Ordinary Shares on December 31, 2003. The options
                  may be exercised at any time after they are granted and before
                  the close of business on the day before the third anniversary
                  of the Auditor's Report on the financial statements for the
                  2003 financial year."

THE PARTIES HERETO have set their hands and seals the day and date first above
written.



<PAGE>



SIGNED AND SEALED in the presence of:)     CONSOLIDATED WATER CO. LTD.
                                     )
                                     )     /s/ Frederick McTaggart
                                     )     -------------------------------------
                                     )
/s/ Brent Santha                     )     Frederick McTaggart
-----------------------------------  )     -------------------------------
witness
Brent Santha

SIGNED AND SEALED in the presence of:)
                                     )
                                     )
                                     )
                                     )
/s/ Brent Santha                     )     /s/ Peter Ribbins
-----------------------------------  )     -------------------------------------
witness                                    Peter D Ribbins
Brent Santha


</TEXT>
</DOCUMENT>
