21Vianet Group names Wing-Dar Ker as DYXnet Group's new CEO

Enterprise-tech veteran welcomes new challenges and vows to pursue every growthopportunity

HONG KONG,Oct. 11,2018 -- DYXnet Group,one of Greater China's leading carrier-neutral network service providers,today announced enterprise-tech veteran Wing-Dar Ker has been appointed CEO of DYXnet Group. He takes over the position from company founder Lap Man with immediate effect.

The appointment was made by 21Vianet Group (NASDAQ: VNET),mother company of DYXnet Group andone of China's leading carriers and cloud-neutral Internet data centre service providers.

Wing is also President of DYXnet Group's sister company,Shanghai Blue Cloud Technologies Co Ltd (Blue Cloud),another of 21Vianet Group's wholly-owned subsidiaries. Both organisations are wholly-owned subsidiaries of 21Vianet Group.

The move is designed to facilitate greater collaboration between DYXnet Group and Blue Cloud,while exploring and capitalising on synergies.

Wing said: "I am honoured to succeed Lap Man as CEO of DYXnet Group. He is a serial entrepreneur and respected leader,who has developed DYXnet Group into a mature,respected and well-structured business. I am now looking forward to working with DYXnet's 500-strong team to serve our enterprise clients to best effect."

After joining 21Vianet Group in 2013,Wing drew on his considerable experience with Microsoft,his former employer,to provide Blue Cloud's commercial and consumer customers in mainland China with Microsoft Azure,Office 365 and Power BI services. He did this by collaborating with the Microsoft Product Group and China S&M team.

Blue Cloud now delivers a comprehensive,international cloud computing platform-- the first commercial model of its kind in China-- that offers Infrastructure-as-a-Service (IaaS),Platform-as-a-Service (PaaS) and Software-as-a-Service (SaaS).

Wing said: "DYXnet celebrates its 20th anniversary next year,so we will reaffirm our commitment to embracing change,welcoming new challenges and exploring every opportunity-- all in the best interests of the company and its many customers."

Lap Man has led the Group for the last 19 years as Founder and CEO,and will continue to serve DYXnet Group as adviser. In 2017,he became one of the founders of Beyond Ventures,a Hong Kong-based venture capital fund that seeks torevitalisethe localinnovation ecosystem and help start-ups get off the ground.

In a message to staff,Lap Man wrote: "We have written history by driving DYXnet to achieve double-digit growth over the last seven years,even in the face offormidable market challenges.DYXnet has developed a sophisticated system based on a very solid foundation. Wing is an enterprise-tech veteran,holding more than 20 years' experience with Microsoftin high-profile roles such as General Manager of Customer Services (CSS) & Support for the Asia Pacific and Greater China Region,as well as Asia CIO,Greater China Financial Controller and other S&M roles. He was also responsible for supporting the Asia Pacific,Greater China,America and EMEA regions. I believe he will establish best-in-class practices that will help the company build on its reputation for employee,operational and customer service excellence,while achievingsustainable growth into the future."

About DYXnet Group

Established in 1999,DYXnet Group is Greater China's leading carrier-neutral network service provider. It offers Multiprotocol Label Switching (MPLS) network,Internet access,data centre and network security solutions to enterprise clients via a provisioning capability in many cities throughout Greater China and the wider Asia Pacific region. The Group is now a wholly-owned subsidiary of 21Vianet Group (NASDAQ: VNET) ("21Vianet"),one of the leading carriers and cloud-neutral Internet data centre services providers inChina.

DYXnet Group was among the first ICT service providers in Greater China to obtain ISO ISO/IEC 27001:2013,ISO/IEC 20000-1:2011 and ISO 9001:2015 international certification for information security,international IT service management and quality control,respectively. These accreditations demonstrate DYXnet's commitment to offering premium ICT services alongside outstanding customer service.

For more information on DYXnet Group,please visit our website at www.dyxnet.com or call +852 2187 7688.