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## Certification by the Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 

In connection with the Annual Report on Form 20-F of Chunghwa Telecom Co., Ltd. (the “Company”) for the year ended December 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Shyue-Ching Lu, Chairman and Chief Executive Officer of the Company, certify, pursuant to 18 U. S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge: 

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. 

Date: April 20, 2011 

By: 

Name: Title: 

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