QIAGEN Exchange Offer for Digene Corpration Expired With Significant Over 90% of Shares Tendered

Venlo, The Netherlands — July 23, 2007 - QIAGEN N.V. (Nasdaq: QGEN; Frankfurt, Prime Standard: QIA) today announced that its offer to exchange cash and stock for all outstanding shares of Digene Corporation (Nasdaq: DIGE) expired as scheduled at 11:59 p.m., New York City time, on Friday, July 20, 2007. All conditions of the exchange offer have either been satisfied or waived, and QIAGEN intends to accept all tendered shares.

Source: QIAGEN