Standard Contracts
Exhibit 4.3 WARRANT AGREEMENTWarrant Agreement • October 9th, 2001 • Labone Inc/ • Services-medical laboratories • New York
Exhibit 4.7 REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT dated as of August 31, 2001 among LABONE, INC., a Missouri corporation (the "Company"), WELSH, CARSON, ANDERSON & STOWE IX, L.P., a Delaware limited partnership ("WCAS"), and the...Registration Rights Agreement • October 9th, 2001 • Labone Inc/ • Services-medical laboratories • New York
SECURITIES PURCHASE AGREEMENTSecurities Purchase Agreement • October 9th, 2001 • Labone Inc/ • Services-medical laboratories • Missouri
Exhibit 4.6 AMENDMENT NO. 1 TO THE RIGHTS AGREEMENT THIS AMENDMENT NO. 1 TO THE RIGHTS AGREEMENT, dated as of August 31, 2001, is made between LabOne, Inc., a Missouri corporation (the "Company"), and American Stock Transfer & Trust Company (the...Rights Agreement • October 9th, 2001 • Labone Inc/ • Services-medical laboratories
LABONE, INC.Note Agreement • October 9th, 2001 • Labone Inc/ • Services-medical laboratories • New York
