1. Definition of Corporate Credit Assessment
   Overall credit assessment of a target corporation's management circumstances, ability
   to pay its  obligations, and etc.
2. Definition of Default
¨ç Unlikely to pay criterion : In case where it is considered that a corporation is unlikely
    to pay its credit obligations to the lender in full, without recourse by the lender to
    actions such as realizing security.
  ¤ýCorporations in which a negative credit-affecting event such as bad debt expense
   has occurred.
¤ýLegally bankrupt corporations (filed for bankruptcy, account transactions currently
   suspended), and corporations subject to liquidation (court receivership, insolvency
   postponement agreement and composition, and work-out)
¤ýCorporations in which restructuring of the credit obligations has occurred due to
   credit deterioration.
¤ýNon-performing loans
¨è Past due criterion : The corporation is past due more than 90 days on any credit
    obligation to the lender.
3. Definition of Issuer Rating
  - Issuer Rating is opinions of the ability of entities to honor financial obligations.
    There are twenty two different rating grades ranging from AAA to D.
Grade Definition of Each Grade
AAA  Extremely High quality, reliable and stable with minimal credit risk
AA  Very High quality, Slightly less reliable than AAA
A  High quality, but somewhat likely to be affected by adverse economic
 conditions and change of circumstances than the obligors with? higher
 grades
BBB  Upper-medium quality, but more likely to be affected by adverse
 economic conditions and change of circumstances
BB  Medium quality, but very likely to be affected by adverse economic
 conditions and change of circumstances
B  Lower-medium quality, adverse business conditions and change of
 circumstances will lead to  insufficient ability to meet financial
 obligations
CCC  Weak quality, Speculative, and somewhat unlikely to meet its financial
 obligations
CC

 Very Weak quality, more unlikely to meet its financial obligations

C  Extremely Weak quality, very unlikely to meet its financial obligations
D  Currently defaulted on financial obligations
NR  Not Rated due to refusal of investigation, withdrawal, and etc.
¡Ø "+" and "-" modifiers are given to ratings within a range from AA to CCC in
    order to indicate their relative standings within each category.
 
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