Investor Relations

Amy Tung
CFO
T: +86 (10) 6518-1122 x5518
amytung@atai.net.cn

The Equity Group Inc.
Ms. Carolyne Y. Sohn
Senior Associate
T: +1 (415) 568-2255
csohn@equityny.com

The Equity Group Inc.
Mr. Adam Prior
Senior Vice President
T: +1 (212) 836-9606
aprior@equityny.com

The Equity Group Inc.
Ms. Katherine Yao (In China)
Senior Associate
T: +86 (10) 6587-6435
kyao@equityny.com

Transfer Agent

Conyers Trust Company (Cayman) Limited

Auditor

KPMG Huazhen LLP

Legal Counsel

Morgan, Lewis & Bockius LLP