OMB APPROVAL
                                                        OMB Number: 3235-0116
                                                      Expires: March 31, 2003
                                                     Estimated average burden
                                                        hours per response: 8










                                    Form 6-K

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                        Report of Foreign Private Issuer

                        Pursuant to Rule 13a-16 or 15d-16
                     of the Securities Exchange Act of 1934

                         For the month of February, 2004

                              CONVERIUM HOLDING AG
                              --------------------
                 (Translation of registrant's name into English)

                                 Baarerstrasse 8
                                   CH-6300 Zug
                                  Switzerland
                                  -----------
                    (Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports
under cover Form 20-F or Form 40-F.

                             Form 20-F X Form 40-F
                                      ---          ---

Indicate by check mark whether the registrant by furnishing the information
contained in this Form is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

                              Yes          No X
                                -------    -------

If "Yes" is marked,  indicate the file number assigned to the registrant in
connection with Rule 12g3-2(b): 82- Not Applicable





Disclosures with respect to Converium Holding Ltd's 3rd Annual General Meeting

Issuer:                  Converium Holding Ltd
Sec. ID no.:             1'299'771
ISIN:                    CH0012997711



In accordance with art. 8 of the Articles of Incorporation of Converium Holding
Ltd and with para. 3.01 (date of the next shareholders' meeting), 3.02 (date of
closure of share register), 4.01 (date of ex-dividend trading; payment date of
dividend) of the revised checklist (with effect from February 1, 2004) published
as enclosure 1 of the "Reports required in order to maintain a listing" (Art. 64
- 75 KR), we herewith inform you about the following:

o        The Annual General Meeting will take place April 27, 2004 in the Casino
         Zug, at 10.30 a.m.

o        The share register will be closed April 23, 2004 till April 29, 2004.

o        The date of ex-dividend trading and of the dividend payment will be
         April 29, 2004. For details see the Dividend Form, which was sent
         electronically to you.



                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                               CONVERIUM HOLDING AG




                                               By:  /s/ Dirk Lohmann
                                                    Name:      Dirk Lohmann
                                                    Title:     CEO




                                               By:  /s/ Christian Felderer
                                              Name: Christian Felderer
                                             Title: General Legal Counsel



Date:  February 24, 2004