Notification of Company's Holiday 2010

- Translation - No. TTW/0752/09 December 9, 2009 Subject : Notification of Company's Holiday 2010 Attention : President The Stock Exchange of Thailand Thai Tap Water Supply Public Company Limited ("Company") would like to inform the Company's holiday of 2009 are as follows : No Date Holiday 1 Friday 1 January New Year's Day 2 Monday 1 February Makha Bucha Day (Substitution) 3 Tuesday 6 April Chakri Memorial Day 4 Monday 12 April Songkarn Festival Day 5 Tuesday 13 April Songkarn Festival Day 6 Wednesday 14 April Songkarn Festival Day 7 Monday 3 May National Labour Day (Substitution) 8 Wednesday 5 May Coronation Day 9 Friday 28 May Visakha Bucha Day 10 Monday 26 July Asarnha Bucha Day 11 Thursday 12 August H.M. The Queen's Birthday 12 Monday 25 October Chulalongkorn Memorial Day (Substitution) 13 Monday 6 December H.M. The King's Birthday (Substitution) 14 Friday 10 December Constitution Day 15 Friday 31 December New Year's Eve Day Please be informed accordingly. Very truly yours, (Sompodh Sripoom) Managing Director Office of Managing Director Tel : 0-2811-7528 Ext. 207 Fax : 0-2811-7687