21Vianet Group, Inc. Appoints President of Microsoft Cloud Operation

21Vianet Group, Inc. Appoints President of Microsoft Cloud Operation

BEIJING, Oct. 10, 2013 (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 its board of directors
has appointed Mr. Wing-Dar Ker, a 19-year Microsoft veteran, as President of
Microsoft Cloud Operation effective immediately.

Most recently Mr. Ker served as General Manager of Customer Service and
Support (CSS) for the Asia Pacific and Greater China (APGC) Region at
Microsoft, where he led a team of 900 staff located in 13 cities across Asia.
He was responsible for overseeing customer service and technical support in
the APGC region, as well as web support for the Americas and EMEA regions. Mr.
Ker joined Microsoft in 1993 as the Finance Controller for APGC responsible
for finance and administration functions. Later, he was responsible for
managing distribution and resell channels as well as the small- to mid-size
business segment sales. He also served as Asia Chief Information Officer,
where he managed Microsoft internal IT functions for the Asia Pacific region,
and oversaw the technology infrastructure of over 45 locations across Asia.
Over his tenure at Microsoft, Mr. Ker, as well as the APGC CSS under his
leadership, received many industry awards from reputable institutions that
recognize his leadership in driving innovations in customer services and
support. Mr. Ker holds a Master Degree of Business Administration (MBA) from
the Case Western Reserve University in Cleveland, Ohio, and a Bachelor Degree
of Economics from the National Taiwan University.

Mr. Josh Chen, Founder, Chairman and Chief Executive Officer of the Company,
stated, "We are delighted to welcome Wing-Dar to our team. He brings with him
two decades of leadership experience within Microsoft, helping to develop
their technical platform in Asia and driving regional strategic initiatives
and innovation. His rich background of organizational and technological
leadership and experience within Microsoft will be a tremendous advantage for
21Vianet as we commercially launch Microsoft's premium cloud services in
China. We look forward to working with Wing-Dar and his leadership in
contributing to our Microsoft cloud operation, helping to accelerate growth
opportunities for our company going forward."

About 21Vianet

21Vianet is the largest carrier-neutral internet data center services provider
in China. 21Vianet provides hosting and related services, managed network
services, cloud infrastructure services, and content delivery network
services, improving the reliability, security and speed of its customers'
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 enables customers' data to be delivered
across the internet in a faster and more reliable manner. 21Vianet operates in
more than 40 cities throughout China, servicing a diversified and loyal base
of more than 2,000 customers that span many industries ranging from internet
companies to government entities and blue-chip enterprises to small- to
mid-sized enterprises.

Safe Harbor Statement

This announcement contains forward-looking statements. These forward-looking
statements are made under the "safe harbor" provisions of the U.S. Private
Securities Litigation Reform Act of 1995. These statements can be identified
by terminology such as "will," "expects," "anticipates," "future," "intends,"
"plans," "believes," "estimates" and similar statements. Among other things,
the quotations from management in this announcement, as well as 21Vianet's
strategic and operational plans, contain forward-looking statements. 21Vianet
may also make written or oral forward-looking statements in its reports filed
with, or furnished to, the U.S. Securities and Exchange Commission, in its
annual reports to shareholders, in press releases and other written materials
and in oral statements made by its officers, directors or employees to third
parties. Statements that are not historical facts, including statements about
21Vianet's beliefs and expectations, are forward-looking statements.
Forward-looking statements involve inherent risks and uncertainties. A number
of factors could cause actual results to differ materially from those
contained in any forward-looking statement, including but not limited to the
following: 21Vianet's goals and strategies; 21Vianet's expansion plans; the
expected growth of the data center services market; expectations regarding
demand for, and market acceptance of, 21Vianet's services; 21Vianet's
expectations regarding keeping and strengthening its relationships with
customers; 21Vianet's plans to invest in research and development to enhance
its solution and service offerings; and general economic and business
conditions in the regions where 21Vianet provides solutions and
services.Further information regarding these and other risks is included in
21Vianet's reports filed with, or furnished to the Securities and Exchange
Commission. 21Vianet does not undertake any obligation to update any
forward-looking statement, except as required under applicable law. All
information provided in this press release and in the attachments is as of the
date of this press release, and 21Vianet undertakes no duty to update such
information, except as required under applicable law.

CONTACT: Investor Relations Contact:
         21Vianet Group, Inc.
         Joseph Cheng
         +86 10 8456 2121
         ICR, Inc.
         Jeremy Peruski
         +1 (646) 405-4922
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