TeliaSonera owned Cygate acquires Dimension Dat...

Press Release
April 12, 2007

TeliaSonera owned Cygate acquires Dimension Data Sweden

TeliaSonera strengthens its market position within managed IP/IT services, in
Sweden, through Cygate's acquisition of Dimension Data Sweden, a subsidiary of
the global systems integrator Dimension Data Holdings plc.

"Step by step we are strengthening our position as an integrator of our
corporate customers' total telecom and IP/IT solutions, an important future
growth area for TeliaSonera," comments Juho Lipsanen, President of Business Area
Integrated Enterprise Services at TeliaSonera.

"Dimension Data Sweden's competence and experience in the area of IT
infrastructure will create value for our clients and strengthen our position on
the market. We will also continue to be the Swedish partner of Dimension Data
Sweden's parent company, Dimension Data," says Bengt Lundgren, CEO at Cygate.

During the last years, Cygate has acquired several companies, amongst them
Måldata and Bravida Communications. Since January 2007, Cygate is owned by
TeliaSonera, the Nordic and Baltic telecommunications leader. Cygate today has
250 employees located in15 offices in Sweden and Finland. Dimension Data Sweden
has 74 employees located in two offices in Stockholm and Malmö. The revenue for
Dimension Data Sweden was SEK 182 million in 2006.

"I am very proud with what Dimension Data Sweden has achieved to date. In a
mature market knowledge and volume are important factors. Together with Cygate
we will create a company that will stand strong, and offer the market world
class solutions" comments Mats Germundsson, Country Manager at Dimension Data
Sweden.

The purchase is still to be approved by the Swedish Competition Authority.

About Cygate
Cygate is a Nordic company headquartered in Stockholm. With 250 employees in its
Finland and Sweden offices, it is a leading Nordic supplier of services,
products and solutions for secure IT infrastructure. The company has
partnerships with leading vendors and a 20-year history of designing, installing
and maintaining IP network solutions using a combination of their own solutions
and products from partners.

About Dimension Data
Dimension Data plc (LSE:DDT), a specialist IT services and solution provider,
helps clients plan, build, support and manage their IT infrastructures.
Dimension Data applies its expertise in networking, security, operating
environments, storage and contact center technologies and its unique skills in
consulting, integration and managed services to create customized client
solutions.

____________________________________________
For further information journalists can contact:
Carina Kampe, Press Manager, TeliaSonera AB, [phone]

Bengt Lundgren, CEO, Cygate AB
Telephone [phone]
E-mail [e-mail]

Mats Germundsson.
Country Manager, Dimension Data in Sweden AB
Telephone [phone]
E-mail [e-mail]

Forward-Looking Statements
Statements made in the press release relating to future status or circumstances,
including future performance and other trend projections are forward-looking
statements. By their nature, forward-looking statements involve risk and
uncertainty because they relate to events and depend on circumstances that will
occur in the future. There can be no assurance that actual results will not
differ materially from those expressed or implied by these forward-looking
statements due to many factors, many of which are outside the control of
TeliaSonera.