Category 2007 2008 2009
Corporate governance rating Very Good Very Good Very Good

Recommendations for Exemplary Compliance Measures Taken
Composition of board of directors Majority of directors hired from outside
Adoption of rules on board and committee operations and roles
Rules adopted
Disclosure of board and committee activities board
Began to make public disclosures
Formation of compensation committee
Formed with 5 members, with an outside director as chairman
Composition of the Recommendation Committee
Committee formed of 6 directors
Formation of recommendation committee
Formed with 4 members including financial-management experts, with an outside director as chairman
Adoption of an employee ethics code
Ethics code adopted
Concentrated vote system
Not ruled out by articles of incorporation
Adoption of mail-in voting system
Adopted
Directors¡¯ liability insurance
Insured at the Company¡¯s expense
Disclosure of corporate governance rating
Displayed on Web site
Explanation of the discrepancies between best practice and actual implementation
Displayed on Web site
Independent external auditor External auditor maintains independence and reports important matters directly to audit committee

Corporate Name Date Appointed Contract Period Latest Audit Opinion
Ernst &
Young Accounting Firm
March 11, 2009 Jan. 1, 2009-
Dec. 31, 2011
Unqualified