We are rated by four major credit-rating agencies: Standard and Poor's (S&P), Moody's Investors Service, R&I and JCR. On March 31, 2010, our ratings from the four agencies were AA, Aa2, AA+ and AAA, respectively.

For information on how these ratings are determined, please refer to each agency's Web site:

• Standard and Poor's
• Moody's Investors Service
• Rating and Investment Information, Inc.
• Japan Credit Rating Agency, Ltd.