March 3, 1999 The President The Stock Exchange of Thailand 62 Ratchadapisek Road Klong Toey, Bangkok 10110 Dear Sir, PROGRESS REPORT OF OUR PREPARATION FOR COMPLIANCE TO THE PROBLEM OF YEAR 2000 (Y 2K) Further to our letter of 24 th November 1998, in which we submitted our last progress report on activities to cope with the computer problem of the year 2000, we are now pleased to report trouble-free trial runs of the following accounting systems of ours : SYSTEM CURRENT SITUATION DS (DIRECT SALES) IN ACTUAL USE VAT (VALUE ADDED TAX) IN ACTUAL USE LK (LINK TO GL) IN ACTUAL USE SPEED-GL (GENERAL LEDGER) IN ACTUAL USE Yours Faithfully, ........................ ......................... (Ms.Osarit Amartayakul) (Mrs. Pariya Chirabandhu) Director Director Office of the Managing Director Tel. 3929984-5 Ext. 108