KONINKLIJKE KPN N V SC 13D/A

AMENDMENT NO. 15 TO SCHEDULE 13D

AMENDMENT NO.1 DATED AS OF APRIL 28, 2006 TO THE STOCK PURCHASE AGREEMENT

KPN TELECOM B.V. POWER OF ATTORNEY DATED APRIL 27, 2006

KONINKLIJKE KPN N.V. EVIDENCE OF AUTHORIZED SIGNATORY

GRAPHIC