21Vianet Group, Inc. Commences Construction of One of China's Largest Data Centers

BEIJING, Feb. 5, 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 the Company has commenced construction of a new data center in the Daxing District of Beijing.

The new data center, which will be built in two phases contingent on market demand, will be one of the largest data centers in China as measured by cabinet capacity. It will occupy a gross area of approximately 42,000 square meters (approximately 452,000 square feet) once fully completed. The first phase of this data center, which is expected to be fully operational by the end of 2013, will be capable of hosting more than 3,000 cabinets. At full capacity, the data center will host a total of over 5,000 cabinets. The data center will be wholly operated and owned by 21Vianet.

Mr. Josh Chen, Founder, Chairman and Chief Executive Officer of the Company, stated, "We are excited to announce the addition of this mega data center in Beijing, China. We believe this expanded facility will further bolster 21Vianet's leading market position for hosting and management network services. In addition, we will also utilize this data center to power Microsoft's premier commercial cloud services. We remain committed to providing our customers with the IT Infrastructure services required to grow their businesses and meet today's increasingly complex and demanding networking requirements."

Mr. Shang Hsiao, President and Chief Financial Officer, stated, "We believe that with our consistent expansion in data centers and network coverage as well as the rollout of our cloud platform, we are well-positioned to capture new opportunities to become China's leader in the rapidly emerging market for cloud computing infrastructure services. At this stage, we do not expect to raise our current guidance for capital expenditures for the full year of 2013, which remains contingent upon the finalization of our roll out schedule and financing strategy."

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 1,900 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, 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:



         ICR, IncJeremy Peruski

         +1 (646) 405-4922

         IR@21Vianet.com
Source: 21Vianet

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