Exhibit 8.1
LIST OF SUBSIDIARIES
(as of March 31, 2024)
NAME OF ENTITY |
| JURISDICTION OF INCORPORATION |
CHIEF Telecom Inc. |
| Taiwan, R.O.C. |
Unigate Telecom Inc. |
| Taiwan, R.O.C. |
CHYP Multimedia Marketing & Communications Co., Ltd. |
| Taiwan, R.O.C. |
Chunghwa Investment Co., Ltd. |
| Taiwan, R.O.C. |
Chunghwa Precision Test Tech. Co., Ltd. |
| Taiwan, R.O.C. |
Chunghwa System Integration Co., Ltd. |
| Taiwan, R.O.C. |
Light Era Development Co., Ltd. |
| Taiwan, R.O.C. |
Senao International Co., Ltd. |
| Taiwan, R.O.C. |
Youth Co., Ltd. |
| Taiwan, R.O.C. |
ISPOT Co., Ltd. |
| Taiwan, R.O.C. |
Aval Technologies Co., Ltd. |
| Taiwan, R.O.C. |
Wiin Technology Co., Ltd. |
| Taiwan, R.O.C. |
Senyoung Insurance Agent Co., Ltd. |
| Taiwan, R.O.C. |
Spring House Entertainment Tech. Inc. |
| Taiwan, R.O.C. |
Honghwa International Co., Ltd. |
| Taiwan, R.O.C. |
Chunghwa Sochamp Technology Inc. |
| Taiwan, R.O.C. |
Smartfun Digital Co., Ltd. |
| Taiwan, R.O.C. |
Chunghwa Leading Photonics Tech Co., Ltd. |
| Taiwan, R.O.C. |
CHT Security Co., Ltd. |
| Taiwan, R.O.C. |
International Integrated Systems, Inc. |
| Taiwan, R.O.C. |
Unitronics Technology Corp. |
| Taiwan, R.O.C. |
TestPro Investment Co., Ltd. |
| Taiwan, R.O.C. |
NavCore Tech. Co., Ltd. |
| Taiwan, R.O.C. |
Chunghwa Digital Cultural and Creative Capital Co., Ltd |
| Taiwan, R.O.C. |
Prime Asia Investments Group Ltd. |
| British Virgin Islands |
Donghwa Telecom Co., Ltd. |
| Hong Kong |
Chunghwa Hsingta Co., Ltd. |
| Hong Kong |
Chunghwa Telecom Japan Co., Ltd. |
| Japan |
CHPT Japan Co., Ltd. |
| Japan |
Chief International Corp. |
| Samoa Islands |
Chunghwa Precision Test Tech. International, Ltd. |
| Samoa Islands |
Shanghai Taihua Electronic Technology Limited |
| People’s Republic of China |
Su Zhou Precision Test Tech. Ltd. |
| People’s Republic of China |
Shanghai Chief Telecom Co., Ltd. |
| People’s Republic of China |
Chunghwa Telecom Singapore Pte., Ltd. |
| Singapore |
Chunghwa Telecom Global, Inc. |
| United States of America |
Chunghwa Precision Test Tech USA Corporation |
| United States of America |
Chunghwa Telecom Vietnam Co., Ltd. |
| Vietnam |
Chunghwa Telecom (Thailand) Co., Ltd. |
| Thailand |