Investor Contact Information

• Investor Relations Department: Board Office

• Contact Phone: 020-32052295

• Contact Fax: 020-32211255

• Email: ir@guanhaobio.com

• Contact Address: No. 12, Yuyan Road, Huangpu District, Guangzhou City, Guangdong Province

• Information Disclosure Website: www.cninfo.com.cn

• Company Website: www.guanhaobio.com