10/31/2007, 08:00 Uhr CESTAd-hoc Release

Merger of Broadnet into QSC effective

Cologne, October 31, 2007. Because of the registration in the commercial register of QSC AG, the merger of Broadnet AG, Hamburg, (ISIN DE0005490866) into QSC AG, Cologne, (ISIN DE0005137004) has become effective today. Broadnet AG is extinct therewith; its former shareholders are shareholders of QSC AG now.

The quotation of the former Broadnet shares will be ceased with effect of the end of today. The 1.090.210 new QSC shares that were created by capital increase and that are necessary for the share exchange will presumably be included in the quotation in the Regulated Market of the Frankfurt Stock Exchange (Prime Standard) from November 1, 2007.

Queries to:
QSC AG
Arne Thull
Investor Relations
Fon: +49(0)221-6698-724
Fax: +49(0)221-6698-009
E-mail: invest@qsc.de

Notes:
This ad hoc announcement contains forward-looking statements. These forward-looking statements are based on current expectations and forecasts of future events by the management of QSC AG. Due to risks or mistaken assumptions, actual results may deviate substantially from those made in such forward-looking statements. The assumptions that may involve material deviations due to unforeseeable developments include, but are not limited to, the demand for our products and services, the competitive situation, the development, dissemination and technical performance of DSL technology and its prices, the development and dissemination of alternative broadband technologies and their respective prices, changes in respect of telecommunications regulation, legislation and adjudication, prices and timely availability of essential third-party services and products, the timely development of additional marketable value-added services, the ability to maintain and enlarge upon marketing and distribution agreements and to conclude new marketing and distribution agreements, the ability to obtain additional financing in the event that management's planning targets are not attained, the punctual and full payment of outstanding debts by sales partners and resellers of QSC AG, and the availability of sufficient skilled personnel.