- Principal repayment schedule of long-term loans

TTW/0571/08 17 December 2008 Subject: Inform the amendment of principal repayment schedule of long- term loans Attention: President The Stock Exchange of Thailand Refere nce is made to business targets in respect of reduction of financial burdens as described in prospectus of Thai Tap Water Supply Public Company Limited (the Company). The Company submitted the letter dated September 25, 2008 to the group of lenders in respect of request for extended principal repayment schedule and reduction of interest rate of long-term loans. The group of lenders agreed to extension of principal repayment schedule as shown in the table below. As a result, the Company has to pay an extension fee in the aggregate amount of Baht 6.7 million (one time payment). For the reduction of interest rate of long-term loan, the group of lenders did not agreed to reduce the interest rate of long-term loans. As at 30 September 2008, the Company has the outstanding long-term loan balances of Baht 5,267.2 million and Baht 998.3 million with carrying the interest rate of MLR- 1% and MLR-0.5% respectively. (Unit: Million Baht) Existing repayment schedule New repayment schedule Year Tranche A1 & Tranche D Tranche A1 & Tranche D B B October 251.0 25.0 251.0 25.0 2008 2009 1,003.8 112.3 501.6 97.3 2010 1,003.8 162.2 501.6 97.3 2011 1,003.8 212.1 602.0 116.8 2012 1,003.8 262.1 602.0 116.8 2013 1,001.0 224.6 752.4 146.0 2014 - - 752.4 146.0 2015 - - 752.4 146.0 2016 - - 551.8 107.1 Total 5,267.2 998.3 5,267.2 998.3 Please be informed accordingly. Yours Faithfully, (Sompodh Sripoom) Managing Director