Exhibit 13.1

CERTIFICATION OF INGA K. BEALE, CHIEF EXECUTIVE OFFICER OF CONVERIUM

HOLDING AG, PURSUANT TO SECTION 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT

TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Converium Holding AG (the “Company”) on Form 20-F/A for the period ending December 31, 2004, as filed with the Securities and Exchange Commission on the date here of (the “Report”), the undersigned hereby certifies that to the best of my knowledge:

1.	The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and
2.	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: February 28, 2006

By: /s/ Inga K. Beale                                                
Inga K. Beale
Chief Executive Officer, Converium Holding AG