4.0 OF THE MOUNTAINS TECHNOLOGY ONE MEMBER COMPANY LIMITED

Tax Code: 5901126430

Address: 58/5B Lac Long Quan, An Phu Ward, Gia Lai Province, Vietnam

4.0 TECHNOLOGY ENGINEERING COMPANY LIMITED

Tax Code: 0315097997

Address: 18E/16 Street No. 22, Go Cong Quarter, Long Binh Ward, Ho Chi Minh City, Vietnam

4.0 TECHNOLOGY EQUIPMENT COMPANY LIMITED

Tax Code: 0201913955

Address: Kieu Dong Village (Mr. Nguyen Khac Dat's house), An Hai Ward, Hai Phong City, Vietnam

40 INVESTMENT AND CONSTRUCTION JOINT STOCK COMPANY

Tax Code: 1800421390

Address: 201/58 Nguyen Xi, Binh Thanh Ward, Ho Chi Minh City, Vietnam

404 SERVICE TRADING CONSTRUCTION COMPANY LIMITED

Tax Code: 0317697781

Address: No. 124/14 Truong Van Thanh, Tang Nhon Phu Ward, Ho Chi Minh City, Vietnam

407 JOINT STOCK COMPANY

Tax Code: 0107490075

Address: House No. 19, Lane 1043 Giai Phong Street, Dinh Cong Ward, Hanoi, Vietnam

409C CONSTRUCTION INVESTMENT JOINT STOCK COMPANY

Tax Code: 0316148676

Address: No. 236M Le Co Street, An Lac Ward, Ho Chi Minh City, Vietnam

410 CO., LTD

Tax Code: 0303107224

Address: 233/4 Nguyen Trai, Cau Ong Lanh Ward, Ho Chi Minh City, Vietnam

412 CONSTRUCTION JOINT STOCK COMPANY

Tax Code: 3000245397

Address: No. 254, Ha Huy Tap Street, Thanh Sen Ward, Ha Tinh Province, Vietnam

412 JOINT STOCK COMPANY

Tax Code: 2901855406

Address: No. 29, Quang Trung street, Quang Trung Ward, Vinh City, Nghe An Province, Vietnam