INTEREST RATE OF EGCOMP'S DEBENTURE

No. EGCO 310/648 Date: October 13, 1999 Attn: The President of the Stock Exchange of Thailand Subject: Interest rate of EGCOMP's Debenture Reference to our letter No. EGCO 310/628 dated September 29, 1999 stated that Electricity Generating Public Company Limited (EGCOMP) clarified the detail information of the amortizing senior unsecured debentures of EGCOMP No. 1/1999 due 2004, amounting up to Baht 5,000 million. EGCOMP would like to inform additional information that interest rate of EGCOMP's debenture was book-built on October 12, 1999 at 8.00% p.a. Sincerely yours, Dr. Siwanan Na Nakorn Deputy Managing Director-New Business Ventures Acting for Managing Director