Credit Ratings

This section contains information about credit ratings assigned to the following companies in the Group.

Mitsui Sumitomo Insurance Co., Ltd.

As of June. 23, 2010

Rating Agencies
Ratings Assigned
Rating Definitions
*Quoted from respective homepages of agencies: refer to original source for details
Categories
ratings
Insurer Financial Strength Rating / Long-Term Issuer Credit Rating
AA-
(AA): An insurer rated ‘AA’ has very strong financial security characteristics, differing only slightly from those rated higher.
Short-Term Issuer Credit Rating
A-1+
(A-1): An obligor rated ‘A-1’ has strong capacity to meet its financial commitments. It is rated in the highest category by Standard & Poor's.
Insurance Financial Strength Rating
Aa3
(Aa): Insurance companies rated Aa offer excellent financial security. Together with the Aaa group, they constitute what are generally known as high-grade companies. They are rated lower than Aaa companies because long-term risks appear somewhat larger.
Issuer rating
Aa3
(Aa): Obligations rated Aa are judged to be of high quality and are subject to very low credit risk.
Commercial Paper Rating
P-1
(P-1): Issuers (or supporting institutions) rated Prime-1 have a superior ability to repay short-term debt obligations.
Long-Term Senior Debts
AAA
(AAA): The highest level of capacity of the obligor to honor its financial commitment on the obligation.
Commercial Paper Program
J-1+
(J-1): The highest level of capacity of the obligor to honor its short-term financial commitment on the obligation.
Issuer Rating
AA
(AA): Very high creditworthiness supported by excellent factors.
Commercial Paper Rating
a-1+
(a-1):Certainty to meet short-term obligation is high.
Financial Strength Rating
A+
(A+): Superior
Issuer Credit Rating
aa
(aa): Superior

Aioi Insurance Co., Ltd.

As of Apr. 2, 2010

Rating Agencies
Ratings Assigned
RatingDefinitions
*Quoted from respective homepages of agencies: refer to original source for details
Categories
ratings
Insurer Financial Strength Rating /
Long-Term Issuer Credit Rating
AA-
(AA): An insurer rated ‘AA’ has very strong financial security characteristics, differing only slightly from those rated higher.
Insurance Financial Strength Rating
A1
(A): Insurance companies rated A offer good financial security. However, elements may be present which suggest a susceptibility to impairment sometime in the future. Moody's appends numerical modifiers 1, 2, and 3 to each generic rating classification from Aa through Caa. Numeric modifiers are used to refer tothe ranking within a group with 1 being the highest and 3 being the lowest. However, the financial strength of companies within a generic rating symbol (Aa, for example) is broadly the same.
Issuer Rating
AA
(AA): Very high creditworthiness supported by excellent factors.
Financial Strength Rating
A
(A): Excellent
Issuer Credit Rating
a+
(a): Excellent

Nissay Dowa General Insurance Co., Ltd.

As of Apr. 2, 2010

Rating Agencies
Ratings Assigned
RatingDefinitions
*Quoted from respective homepages of agencies: refer to original source for details
Categories
ratings
Insurer Financial Strength Rating / Long-Term Issuer Credit Rating
AA-
(AA): An insurer rated ‘AA’ has very strong financial security characteristics, differing only slightly from those rated higher.
Short-Term Issuer Credit Rating
A-1+
(A-1) An obligor rated ‘A-1’ has strong capacity to meet its financial commitments. It is rated in the highest category by Standard & Poor's.
Insurer Financial Strength (IFS) Rating
A
(A): ‘A’ IFS Ratings denote a low expectation of ceased or interrupted payments. They indicate strong capacity to meet policy holder and contract obligations. This capacity may, nonetheless, be more vulnerable to changes in circumstances or in economic conditions than is the case for higher ratings.
Long-Term Rating (long-term senior debts / ability to pay insurance claims)
AA+
(AA): A very high level of capacity to honor the financial commitment on the obligation.
Short-Term Ratings (commercial paper)
J-1+
(J-1): The highest level of capacity of the obligor to honor its short-term financial commitment on the obligation. Within this rating category, obligations for which the capacity is particularly high are indicated by the symbol "J-1+."

Mitsui Sumitomo Kirameki Life Insurance Co., Ltd.

As of Apr. 2, 2010

Rating Agencies
Ratings Assigned
Rating Definitions
*Quoted from respective homepages of agencies: refer to original source for details
Categories
ratings
Insurer Financial Strength Rating
AA-
(AA): An insurer rated ‘AA’ has very strong financial security characteristics, differing only slightly from those rated higher.
Insurance Claims Paying Ability
AA
(AA): Very high claim paying ability supported by excellent factors.

Aioi Life Insurance Co., Ltd.

As of Apr. 2, 2010

Rating Agencies
Ratings Assigned
Rating Definitions
*Quoted from respective homepages of agencies: refer to original source for details
Categories
ratings
Insurance Claims Paying Ability
AA
(AA): Very high claim paying ability supported by excellent factors.

Mitsui Sumitomo MetLife Insurance Co., Ltd.

As of Apr. 2, 2010

Rating Agency
Ratings Assigned
Rating Definitions
*Quoted from respective homepages of agencies: refer to original source for details
Category
Ratings
Insurer Financial Strength Rating
AA-
(AA): An insurer rated ‘AA’ has very strong financial security characteristics, differing only slightly from those rated higher.
Issuer rating
AA
(AA): Very high claim paying ability supported by excellent factors.