21Vianet Group, Inc. to Announce Third Quarter 2012 Financial Results

21Vianet Group, Inc. to Announce Third Quarter 2012 Financial Results

BEIJING, Oct. 19, 2012 (GLOBE NEWSWIRE) -- 21Vianet Group, Inc. (Nasdaq:VNET)
("21Vianet" or the "Company"), the largest carrier-neutral Internet data
center services provider in China, today announced that it plans to release
its third quarter 2012 financial results on Thursday, November 15, 2012 after
market close. The Company will hold a conference call on Friday, November 16,
2012 at 8:00 am Eastern Time, or 9:00 pm Beijing Time to discuss the financial
results. Listeners may access the call by dialing the following numbers:

United States:           +1-646-254-3515
International Toll Free: +1-855-500-8701
China Domestic:          400-1200654
Hong Kong:               +852-3051-2745
Conference ID:           # 45805822

The replay will be accessible through November 23, 2012 by dialing the
following numbers:

United States Toll Free: +1-855-452-5696
International:           +61-2-8199-0299
Conference ID:           # 45805822

A webcast of the conference call will be available through the Company's
investor relation website at http://ir.21vianet.com

About 21Vianet

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 customers' Internet
connections through 21Vianet's Internet infrastructure. Customers 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.
In addition, 21Vianet's proprietary smart routing technology, BroadEx, enables
customers' 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 1,600 customers that span many
industries ranging from Internet companies to government entities and
blue-chip enterprises to small- to mid-sized enterprises.

CONTACT: Investor Relations Contact:
         ICR, Inc.
         Jeremy Peruski
         +1 (646) 405-4922
         IR@21Vianet.com
 
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