QIAGEN N.V. Invites You To Join Its Fourth Quarter And Year End 2004 Earnings Conference Call On The Web

VENLO, Netherlands, Feb. 8 /PRNewswire-FirstCall/ -- In conjunction with QIAGEN's Fourth Quarter and Year End 2004 Earnings release, you are invited to listen to its conference call which will be broadcast live over the Internet on Tuesday, February 15, 2005 at 9:30 a.m. EST, with Peer M. Schatz, President and Chief Executive Officer and Roland Sackers, Chief Financial Officer.

What: QIAGEN N.V. - Fourth Quarter and Year End 2004 Earnings Announcement When: Tuesday, February 15, 2005 at 9:30 a.m. EST Where: http://www.qiagen.com/goto/021505 How: Live over the Internet -- Simply log on to the Web at the address above.

The corresponding presentation slides are available to download prior to the call in the investor relations section of QIAGEN's website at: http://www.qiagen.com/goto/021505

Contact: Jane Petrino, Noonan/Russo, 212-845-4274

QIAGEN N.V., a Netherlands holding company with subsidiaries in Germany, the United States, Japan, the United Kingdom, Switzerland, France, Italy, Australia, Norway, Austria, Canada, and the Netherlands believes it is the world's leading provider of innovative enabling technologies and products for the separation, purification and handling of nucleic acids and proteins. QIAGEN has developed a comprehensive portfolio of more than 320 proprietary, consumable products for nucleic acid and protein separation, purification and handling, nucleic acid amplification, as well as automated instrumentation, synthetic nucleic acid products and related services. QIAGEN's products are sold in more than 42 countries throughout the world to academic research markets and to leading pharmaceutical and biotechnology companies. In addition, QIAGEN is positioning its products for sale into developing commercial markets, including DNA sequencing and genomics, nucleic acid-based molecular diagnostics, and genetic vaccination and gene therapy. QIAGEN employs approximately 1,400 people worldwide. Further information on QIAGEN can be found at http://www.qiagen.com/.

(Minimum Requirements to listen to broadcast: The RealPlayer software, downloadable free from http://www.real.com/products/player/index.html, or The Windows Media Player, downloadable free from http://www.microsoft.com/ and at least a 14.4Kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to webmaster@vdat.com.)

Web Sites: http://www.QIAGEN.com/goto/021505 http://www.QIAGEN.com

CONTACT: Jane Petrino, Noonan/Russo, 212-845-4274, for QIAGEN N.V.