Revenue by Business Segment Container Freight Index Subsidiaries Ownership Structure Credit Rating

Type of Securities Date Rating Rating Institution Commercial Papers 01/15/2001 A3+ Korea Investors Service Inc. 02/28/2001 A3+ National Information & Credit Evaluation, Inc 07/23/2001 A2- Korea Investors Service Inc. 10/09/2001 A2- Korea Ratings Corp. 07/05/2002 A2- Korea Ratings Corp. 07/15/2002 A2- Korea Investors Service Inc. 07/03/2003 A2- Korea Ratings Corp. 07/15/2003 A2- Korea Investors Service Inc. 12/24/2003 A2- Korea Investors Service Inc. 06/01/2004 A2 Korea Ratings Corp. 06/01/2004 A2 Korea Investors Service Inc. Corporate Bonds 07/18/2001 A- Korea Investors Service Inc. 07/26/2001 A- Korea Ratings Corp. 08/09/2001 BBB+ National Information & Credit Evaluation, Inc. 09/07/2001 A- Korea Investors Service Inc. 09/20/2001 A- Korea Ratings Corp. 07/15/2002 A- Korea Investors Service Inc. 07/15/2002 A- Korea Ratings Corp. 06/27/2003 A- Korea Investors Service Inc. 07/03/2003 A- Korea Ratings Corp. 06/01/2004 A- Korea Ratings Corp. 06/01/2004 A- Korea Investors Service Inc. 12/30/2004 A Korea Ratings Corp. 12/30/2004 A Korea Investors Service Inc. 05/17/2005 A Korea Ratings Corp. 05/18/2005 A Korea Investors Service Inc. 06/29/2006 A Korea Ratings Corp.

Credit rating by Korean credit rating agencies (for commercial papers)

Grade Definition A1 The ability for repayment of borrowings on time remains at the highest possible level. The stability is so high that the company may not be affected by a change in the environment in the foreseeable future. A2 The ability for repayment of borrowings on time remains high, but the stability is somewhat inferior to A1. A3 The ability for repayment of borrowings on time remains good, but, the stability may be affected by an abrupt change in environment. B The ability for repayment of borrowings on time maintains a reasonable level, but the stability is vulnerable to a change in environment. Thus, there is a speculative factor. C The ability for repayment of borrowings and the stability remain volatile. Thus, there is a strong speculative factor. D At present, the company is unable to pay its debts.

Credit rating by Korean credit rating agencies (for corporate Bonds)

Grade Definition AAA The chance for repayment of principal and interest remains the highest. AA The chance for repayment of principal and interest remains very high, but somewhat falls behind A The chance for repayment of principal and interest remains high, but there is a possibility that it may be affected by a change in environment in the future. BBB The chance for repayment of principal and interest remains reasonably high, but it may worsen with a change in environment in the future. BB There is no big problem in the ability to repay principal and interest, but there is a speculative factor concerning the future stability. B There is no sufficient ability to repay principal and interest, thus leaving a speculative factor. CCC There is a danger of default on repayment of principal and interest. CC There is a high possibility of default on repayment of principal and interest. C There is a very high possibility of default on repayment of principal and interest. D At present, the company is unable to pay its debts.