X0201 42003-12-02 0000830158 LABONE INC/ LABS 0001123639 WELSH CARSON ANDERSON & STOWE IX LP C/O WELSH, CARSON, ANDERSON & STOWE 320 PARK AVENUE, SUITE 2500 NEW YORK NY 10022 0010Common Stock2003-12-024C023501028.32A2350102DSeries B-1 Convertible Preferred Stock8.322003-12-024C0163790D2001-08-31Common Stock23501020DThere is no expiration date applicable to the Series B-1 Convertible Preferred Stock.Jonathan M. Rather, Managing Member of WCAS IX Associates, LLC, General Partner of Welsh Carson, Anderson & Stowe IX, L.P.2003-12-03