Company Name: BII Railway Transportation Technology Holdings Company Limited

Company Address (Hong Kong): Room 2502, 25/F, Tower 1, Enterprise Square Five, 38 Wang Chiu Road, Kowloon Bay, Hong Kong

Company Address (Beijing): 15F, Tower 2, Fusheng Building, No. 4 Huixin East Street, Chaoyang District, Beijing

Telephone: +852 2545 1555

E-mail: IR@biitt.cn

The method of Whistle-blowing

Mailing Address：15/F, Tower 2, Fusheng Building, No.4 Huixin East Street, Chaoyang District, Beijing

BII Railway Transportation Technology Holdings Company Limited, Office of whistle-blowing, 100101

Mailbox of Whistle-blowing：whistleblowing@biitt.cn

Telephone of Whistle-blowing：010 8462 2620