[21Vianet Establishes Joint Venture With Foxconn BEIJING, October 10, 2014 - 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 established Smart Time Technologies Limited (“Smart Time Technologies” or “Joint Venture”), a strategic joint venture, with the leading global electronics manufacturer, Foxconn Technology Group (TWSE:2354)] [FORM 6-K 21Vianet Group, Inc. M5, 1 Jiuxianqiao East Road, Chaoyang District Beijing 100016 The People’s Republic of China (86 10) 8456 2121 x ¨ Form 20-F ¨ ¨ 21Vianet Group, Inc. Shang-Wen Hsiao Chief Financial Officer 6-K 1 d804630d6k.htm FORM 6-K]

[21Vianet Forms Strategic Partnership With China Internet Network Information Center (CNNIC) BEIJING, Oct. 2, 2014 (GLOBE NEWSWIRE) — 21Vianet Group, Inc. (Nasdaq:VNET) (“21Vianet” or the “Company”), the largest carrier-neutral Internet data center services provider in China, today announced a strategic partnership with China Internet Network Information Center (CNNIC), the government administrative agency in charge of managing domestic domain name registry] [21Vianet Group, Inc. By : Name : Shang-Wen Hsiao Title : Chief Financial Officer 6-K 1 d799917d6k.htm FORM 6-K]