PRESS RELEASE

Fleet, Hants, UK – 12 January 2016 – NTT (NYSE: NTT) announced that Gartner, Inc., a leading IT research and advisory firm, has positioned NTT in the “Challengers” Quadrant of the 2015 Magic Quadrant for Managed Security Services, Worldwide[1].

NTT and its operating companies offer a wide range of managed security services (MSS) to large and mid-sized enterprises. The company has been expanding its capabilities, solutions, and global reach in managed security services through a series of strategic acquisitions, consolidations and internal development in recent years.

Gartner defines managed security services as “the remote monitoring or management of IT security functions delivered via shared services from remote security operations centers (SOCs), not through personnel on-site.” Gartner writes, “This Magic Quadrant evaluates services for monitored/managed firewall and intrusion detection and prevention functions, as well as log analysis and reporting services. These functions make up the core of MSS procurements.”

Gartner views MSS as a mature, growing market and identifies several factors that are driving MSS market growth. According to Gartner, enterprise demand for MSSs is driven by security staffing and budget priorities, increased emphasis on monitoring and breach detection and evolving compliance reporting requirements.

NTT recently announced its Intention to acquire 100 percent ownership of NTT Com Security as part of its plan to bring together the combined power of the security platforms of NTT Com Security, Solutionary, Dimension Data and NTT Innovation Institute to enhance the global MSS.

“NTT’s strategic intent through 2015 and moving forward is to continue to develop and provide world class security services to protect our clients in constantly changing threat landscape,” said Tsunehisa Okuno, Director and Senior Vice President, Director of Global Business Office, NTT. “NTT’s clients will benefit greatly from the combined power of the security platform of NTT Com Security, Solutionary, Dimension Data and NTT Innovation Institute that will provide an even more holistic and powerful global security offering.”

As written by Gartner Magic Quadrant authors Kelly Kavanagh principal research analyst, and Toby Bussa, research director, "Threat management and meeting compliance requirements via 24/7 security monitoring remain the primary drivers for considering an MSS. These may be complemented by related drivers, such as the access to deeper or broader security expertise than is available in-house, or the need to redirect existing internal resources to other security areas.”

Additionally, Kavanagh and Bussa note, “In 2014, the global market for security outsourcing was USD 13.8 billion, with a forecast compound annual growth rate of 15.4% through 2019.”

About NTT

NTT (Nippon Telegraph and Telephone Corporation) is one of the world’s largest global IT and telecommunications services companies and is ranked 65th on Fortune’s Global 500 list. The company’s roots go back over 100 years to the introduction of the telegraph in Japan and focuses today on innovation in the cloud, mobility, network and communications. The company had operating revenues of over US$100 billion for the fiscal year ended March 31, 2015 and employs 242,000 people worldwide. The company’s subsidiaries include Regional Communications Businesses: NTT EAST, NTT West; Mobile Communications Businesses: NTT DOCOMO; Long-Distance and International Communication Businesses: NTT Communications and Dimension Data; and Data Communication Businesses: NTT DATA. For more information, visit www.ntt.co.jp.

About Dimension Data

Founded in 1983, Dimension Data plc is an ICT services and solutions provider that uses its technology expertise, global service delivery capability, and entrepreneurial spirit to accelerate the business ambitions of its clients. Dimension Data is a member of the NTT Group. www.dimensiondata.com.

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[1] Gartner “Magic Quadrant for Managed Security Services, Worldwide” by Kelly Kavanagh and Toby Bussa, December 23, 2015.