21Vianet Group, Inc. Announces November Investor Conference Participation

21Vianet Group, Inc., the largest carrier-neutral Internet data center services provider in China, today announced the Company's participation in the following conferences for November 2011:

21Vianet Group, Inc. is the largest carrier-neutral Internet data center services provider in China. 21Vianet provides hosting and related services, managed network services and cloud computing infrastructure services, improving the reliability, security and speed of its clients' Internet connections through 21Vianet's Internet infrastructure. Clients may locate their servers and networking equipment in 21Vianet's data centers and connect to China's Internet backbone through 21Vianet's extensive fiber optic network. Should the contingency arise, 21Vianet's proprietary smart routing research, BroadEx, enables clients' data to be delivered across the Internet in a faster and more reliable manner. 21Vianet operates in 33 cities throughout China, servicing a diversified and loyal base of more than 1,400 customers that span many industries ranging from Internet companies to government entities and blue-chip enterprises to small- to mid-sized enterprises.