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QSC wins 1&1 Internet AG as wholesale partner

Cologne, July 2, 2007. Cologne-based QSC AG, a nationwide telecommunication provider with its own DSL network, and 1&1 Internet AG, Montabaur, have concluded an agreement on the marketing of ADSL2+ connections. With 1&1, a subsidiary of United Internet AG, QSC has won another strong wholesale partner, who will market DSL products based on QSC's nationwide broadband infrastructure; further existing wholesale partners of QSC are HanseNet and freenet. In its wholesale business QSC itself focuses on the provision of infrastructure based products on the basis of ADSL2+ technology as well as highly scaleable order processes. In its own end customer business with large accounts and business customers, QSC provides tailor made and integrated broadband services on the basis of the nationwide broadband infrastructure.

Queries to:

Arne Thull
Head of Investor Relations
Mathias-Brüggen-Str. 55
D-50829 Cologne
Fon: +49(0)221/6698-724
Fax: +49(0)221/6698-009
E-Mail: invest@qsc.de

Claudia Zimmermann
Head of Corporate Communications
Mathias-Brüggen-Str. 55
D-50829 Cologne
Fon: +49(0)221/6698-235
Fax: +49(0)221/6698-289
E-Mail: presse@qsc.de

About QSC
Cologne-based QSC AG (QSC) is a nationwide telecommunication provider with its own DSL network, offering businesses and premium residential customers a comprehensive portfolio of high-quality broadband communication options. QSC implements complete enterprise networks (VPNs), operates voice and data services and provides leased lines in a wide variety of bandwidths for business customers. Residential customers benefit from high-quality DSL connections, complete with VoIP applications. In addition, QSC utilizes its own network as the basis for its wholesale business and provides high-level upstream products to carriers, Internet service providers (ISPs) as well as marketing partners with strong consumer brands. Following the acquisition of a majority interest in Broadnet AG, QSC has additionally enjoyed access to a microwave network in 42 regions of Germany. QSC operates on a nearly nationwide scale, together with Broadnet AG connects over 160 German cities over its own broadband network and currently employs a workforce of 700 people. In fiscal 2006, the company generated revenues of € 262.5 million and is forecasting consolidated annual revenues of more than € 350 million for 2007. QSC is listed on the TecDAX.