Over 50% of orders were from western countries with U.S. investors comprising half of the total orders for the bond, 45% from Asia and 5% from Europe.
Kogas said it will use the proceeds from the bond sale to repay some 700 billion-900 billion won ($US1=KRW1,194) in debt maturing by the end of 2003.
The company has also returned the benefits of a strong financial performance to its staff, unveiling a plan to sell 16 billion won ($A19 million) of its own shares to employees.