Supplemental Indenture Number Sample Contracts

SUPPLEMENTAL INDENTURE NUMBER 1 AND WAIVER Dated as of February 16, 2000 to INDENTURE Dated as of October 27, 1998 between ACE US HOLDINGS, INC., as Issuer and UNITED STATES TRUST COMPANY OF NEW YORK, as Trustee

Supplemental Indenture Number • March 16th, 2006 • Ace LTD • Fire, marine & casualty insurance • New York

• Contract Type
  Supplemental Indenture Number
• Filed
  March 16th, 2006
• Company
  Ace LTD
• Industry
  Fire, marine & casualty insurance
• Jurisdiction
  New York

This SUPPLEMENTAL INDENTURE NUMBER 1 AND WAIVER, dated as of February 16, 2000, is made among ACE US Holdings, Inc., a Delaware corporation (the “Company”) and UNITED STATES TRUST COMPANY OF NEW YORK, as trustee under the indenture referred to below (the “Trustee”).

SUPPLEMENTAL INDENTURE NUMBER 4 Dated as of December 21, 2007 to INDENTURE Dated as of October 27, 1998 between ACE US HOLDINGS, INC., as Issuer and THE BANK OF NEW YORK, as Successor Trustee

Supplemental Indenture Number • February 29th, 2008 • Ace LTD • Fire, marine & casualty insurance • New York

• Contract Type
  Supplemental Indenture Number
• Filed
  February 29th, 2008
• Company
  Ace LTD
• Industry
  Fire, marine & casualty insurance
• Jurisdiction
  New York

This SUPPLEMENTAL INDENTURE NUMBER 4, dated as of December 21, 2007, is made by and between ACE US Holdings, Inc., a Delaware corporation (the “Company”), and THE BANK OF NEW YORK, as successor trustee under the indenture referred to below (the “Trustee”).