AGREEMENT RELATING TO REGISTRATION RIGHTS
AND OTHER MATTERS
DATED AS OF JANUARY 1, 2008
AGREEMENT RELATING TO REGISTRATION RIGHTS AND OTHER MATTERS
THIS AGREEMENT RELATING TO REGISTRATION RIGHTS AND OTHER MATTERS (as the same
may be amended, modified or supplemented in accordance with its terms, this “ Agreement ”) is made as of
January 1, 2008 by and between Cascal B.V. 1 , a Dutch private limited liability company (the “ Company ”),
and Biwater Investments Limited, a company incorporated in England and Wales (the “ Shareholder ”).
Following the series of stock split and recapitalization transactions that will effectively result in a 2,067-for-1
split of the Company’s shares and the Shareholder’s acquisition of all of the Shares of the Company owned by
Biwater B.V., the Shareholder will own 21,849,343 common shares, par value EUR 0.50 per share, of the
Company. This Agreement is being entered into in order to state affirmatively the agreement of the Company to
provide the registration rights set forth in this Agreement and to address other matters related to the planned initial
public offering of the Company (the “ IPO ”), in which the Shareholder expects to sell for its own account a
portion of the Shares to be sold in the IPO. Unless otherwise provided in this Agreement, capitalized terms used
herein shall have the meanings set forth in Section 4.
NOW, THEREFORE, in consideration of the mutual premises herein and other good and valuable
consideration, the receipt and sufficiency of which the parties acknowledge, the parties hereby agree as follows:
1. Registration Rights Agreement .
1.1 Demand Registrations .
(a) Requests for Registration . On no more than two (2) occasions on or after the DR Reference Date, the
Shareholder may request registration under the Securities Act of all or part of its Registrable Securities on
Form F-1 or any similar long-form registration (“ Long-Form Registrations ”), or Form F-3 or any similar