List of companies: Wired telecommunications activities.

SA PA TELECOMMUNICATION CENTER

Tax ID/ Business ID: 5300100163-008
Date of registration: 29/12/2009
House number 006 Thach Son Street, Sa Pa Ward, Sa Pa Town, Lao Cai Province, Vietnam

DEPARTMENT OF ECONOMY AND INFRASTRUCTURE OF THAP TEN DISTRICT

Tax ID/ Business ID: 1400761071
Date of registration: 19/02/2009
Group 3, My An town - - Thap Muoi district - Dong Thap

VIETTEL NGHE AN BRANCH OF VIETTEL GROUP

Tax ID/ Business ID: 0100109106-061
Date of registration: 13/02/2009
Viettel Building, Lenin Avenue, Ha Huy Tap Ward, Vinh City, Nghe An Province, Vietnam

FINANCE - PLANNING DEPARTMENT OF CAN HOUR

Tax ID/ Business ID: 0306241563
Date of registration: 04/12/2008
Nguyen Luong Nho, Can Thanh Town, Can Gio District, Ho Chi Minh City

HA TIEN TELECOMMUNICATIONS CENTER

Tax ID/ Business ID: 1700100555-082
Date of registration: 13/02/2008
No. 03 To Chau Street, Dong Ho Ward, Ha Tien City, Kien Giang Province, Vietnam

BIM SON TELECOMMUNICATIONS CENTER

Tax ID/ Business ID: 2800242097-005
Date of registration: 01/01/2008
No. 02 Dinh Cong Trang, Ba Dinh Ward, Bim Son Town, Thanh Hoa Province, Vietnam

HTC INTERNATIONAL TELECOMMUNICATION JOINT STOCK COMPANY

Tax ID/ Business ID: 0102362584
Date of registration: 13/09/2007
6th Floor – Lotus Building, No. 2, Duy Tan, Dich Vong Hau Ward, Cau Giay District, Hanoi City, Vietnam

INCOM INTERNATIONAL COMMUNICATIONS JOINT STOCK COMPANY

Tax ID/ Business ID: 0102011152
Date of registration: 17/08/2006
3rd Floor, IC Building, No. 82 Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Hanoi City, Vietnam

VIETTEL BAC KAN BRANCH OF VIETTEL GROUP

Tax ID/ Business ID: 0100109106-027
Date of registration: 23/03/2006
No. 46, Group 10, Phung Chi Kien Ward, Bac Kan City, Bac Kan Province, Vietnam

VIETTEL LANG SON BRANCH OF VIETTEL GROUP

Tax ID/ Business ID: 0100109106-026
Date of registration: 23/02/2006
Hung Vuong Street, Mai Pha Commune, Lang Son City, Lang Son Province, Vietnam

VIETTEL Dak Lak - BRANCH OF MILITARY INDUSTRIAL - TELECOMMUNICATIONS GROUP

Tax ID/ Business ID: 0100109106-052
Date of registration: 21/02/2006
No. 48 Ly Tu Trong, Tan An Ward, Buon Ma Thuot City, Dak Lak Province, Vietnam

VIETTEL THAI BINH BRANCH OF VIETTEL GROUP

Tax ID/ Business ID: 0100109106-029
Date of registration: 17/02/2006
Viettel Thai Binh Building, No. 431, Tran Hung Dao Street, Tran Hung Dao Ward, Thai Binh City, Thai Binh Province, Vietnam

VIETTEL CAN THO BRANCH OF VIETTEL GROUP

Tax ID/ Business ID: 0100109106-019
Date of registration: 14/02/2006
No. 210, Tran Phu Street, Cai Khe Ward, Ninh Kieu District, Can Tho City, Vietnam

VIETTEL LAI CHAU BRANCH - MILITARY TELECOMMUNICATIONS GROUP

Tax ID/ Business ID: 0100109106-057
Date of registration: 16/01/2006
Dien Bien Phu Street, Group 12, Tan Phong Ward, Lai Chau City, Lai Chau

VIETTEL TIEN GIANG - BRANCH OF MILITARY INDUSTRIAL - TELECOMMUNICATIONS GROUP

Tax ID/ Business ID: 0100109106-054
Date of registration: 13/01/2006
No. 66, Dinh Bo Linh Street, Quarter 5, Ward 9, My Tho City, Tien Giang

VIETTEL THAI NGUYEN - BRANCH OF MILITARY INDUSTRIAL - TELECOMMUNICATIONS GROUP

Tax ID/ Business ID: 0100109106-028
Date of registration: 01/01/2006
No. 4, Hoang Van Thu Ward, Thai Nguyen City, Thai Nguyen

VNPT CANTHO

Tax ID/ Business ID: 1800575827
Date of registration: 01/01/2005
11 Phan Dinh Phung, Tan An Ward, Ninh Kieu District, Can Tho City, Vietnam

HAI PHONG TELECOMMUNICATIONS

Tax ID/ Business ID: 0200287977
Date of registration: 13/11/1998
Lot C6 Hai An District Administrative Center, Le Hong Phong Street, Dang Hai Ward, Hai An District, Hai Phong City, Vietnam

VINH PHUC TELECOMMUNICATIONS

Tax ID/ Business ID: 2500104508
Date of registration: 20/10/1998
Kim Ngoc Street, Ngo Quyen Ward, Vinh Yen City, Vinh Phuc Province, Vietnam

VUNG LIEM TELECOMMUNICATION CENTER

Tax ID/ Business ID: 1500189108-007
Date of registration: 10/10/1998
Cluster 1, Vung Liem Town, Vung Liem District, Vinh Long Province, Vietnam

LONG HO TELECOMMUNICATION CENTER

Tax ID/ Business ID: 1500189108-010
Date of registration: 09/10/1998
Cluster 1, Long Ho Town, Long Ho District, Vinh Long Province, Vietnam

MANG THIT TELECOMMUNICATIONS CENTER

Tax ID/ Business ID: 1500189108-009
Date of registration: 09/10/1998
Pham Hung Street, Cluster 1, Cai Nhum Town, Mang Thit District, Vinh Long Province, Vietnam

TAM BINH TELECOMMUNICATIONS CENTER

Tax ID/ Business ID: 1500189108-005
Date of registration: 09/10/1998
Cluster 3, Tam Binh Town, Tam Binh District, Vinh Long Province, Vietnam

TRA ON TELECOMMUNICATIONS CENTER

Tax ID/ Business ID: 1500189108-006
Date of registration: 09/10/1998
No. 77 Do Chieu Street, Area 3, Tra On Town, Tra On District, Vinh Long Province, Vietnam

VINH LONG TELECOMMUNICATIONS

Tax ID/ Business ID: 1500189108
Date of registration: 05/10/1998
No. 03 Trung Nu Vuong Street, Ward 1, Vinh Long City, Vinh Long Province, Vietnam