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QSC advances to the TecDAX index

Cologne, February 18, 2004. QSC AG, a nationwide telecommunication provider with its own DSL network, will advance to the TecDAX index on March 22, 2004. This decision was made by Deutsche Börse AG at its meeting yesterday to update the composition of the German equity indices.

The TecDAX is made up of the 30 largest and most solvent technology companies in the Prime Standard. The crucial factors in a company' s inclusion in this index are the free float market capitalization and trading volume of its shares. As of January 31, 2004, QSC had a free float market capitalization of EUR 192.9 million, thus ranking it 21st among all technology stocks listed in the Prime Standard. A trading volume of EUR 119.7 million during the past twelve months made the company 32nd in the corresponding index ranking.

"Inclusion in Germany's premier equity index for technology shares is a major honor for us, as well as an incentive to further grow the company' s value", says Dr. Bernd Schlobohm, co-founder and Chief Executive Officer of QSC AG. "At the same time, we view it as confirmation of the strategy of establishing QSC as a leading, integrated telecommunication provider for business customers in Germany."

QSC's shares have been listed on the Deutsche Börse Stock Exchange since April 19, 2000, and in the Prime Standard after modernization of the stock market in early 2003.

Brief profile
Cologne-based QSC AG (QSC) is a nationwide telecommunication provider with its own DSL network, supplying businesses and premium residential customers with a comprehensive portfolio of broadband communication options ranging from leased lines in various bandwidths to voice and data services right through to custom enterprise networks (VPN). QSC serves more than 40 of Germany's largest cities with its own broadband network infrastructure and additionally offers its services to business customers nationwide through partners. The company presently employs a workforce of some 380 people.

Further information

Arne Thull                             Claudia Zimmermann
Investor Relations                  Corporate Spokeswoman
Mathias-Brüggen-Str. 55         Mathias-Brüggen-Str. 55
D - 50829 Köln                       D - 50829 Köln
Fon: +49 221/6698-112          Fon: +49 221/6698-235
Fax: +49 221/6698-009          Fax: +49 221/6698-289
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