To inform 2010's Traditional Holidays

Translation November 6, 2009 Subject : To inform 2010's Traditional Holidays To : Director and Manager Stock Exchange of Thailand We, Siam Makro Public Company Limited would like to inform the 2010's Traditional Holidays of Head Office as follows: 1. Friday 1 January New Year's Day 2. Monday 1 March Makha Bucha Day (Substitution Sunday 28 February) 3. Tuesday 6 April Chakri Memorial Day 4. Tuesday 13 April Songkran Festival 5. Wednesday 14 April Songkran Festival 6. Thursday 15 April Songkran Festival 7. Monday 3 May National Labour Day (Substitution Saturday 1 May) 8. Wednesday 5 May Coronation Day 9. Friday 28 May Wisakha Bucha Day 10. Monday 26 July Asarnha Bucha Day 11. Thursday 12 August H.M. The Queen's Birthday 12. Monday 25 October Chulalongkorn Day (Substitution Saturday 23 October) 13. Monday 6 December H.M. The King's Birthday (Substitution Sunday 5 December) 14. Friday 10 December Constitution Day 15. Friday 31 December New Year's Eve Please be informed accordingly. Yours faithfully, Siam Makro Public Company Limited Signature (Mr. Charoen Assawajarukasem) SET Coordinator Manager